JP3369140B2 - Mobile communicators, terminals and base stations - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mobile communication device such as a so-called mobile phone , a terminal and a base station (collectively referred to as " mobile communication system ") .

[0002]

2. Description of the Related Art In recent years, mobile communication devices such as so-called mobile phones have become widespread. In a mobile communication system using such a mobile communication device, the mobile communication device performs wireless communication with a base station, and transmits and receives information such as voice and images with other mobile communication devices via the base station. Has become.

In such a mobile communication system,
The method of collecting the wireless communication service usage fee by the mobile communication device is such that the service provider adds the usage fee for a predetermined period (for example, one month), and after the predetermined period has elapsed, the total usage fee for the user. The post-payment method of charging and collecting the amount is common.

However, under the background that mobile communication devices have become available at a very low price these days, the mobile communication devices are discarded without paying the usage fee, and the service provider can collect the usage fee. The situation that it disappears often occurs.

Therefore, a so-called prepaid system in which a user of the mobile communication body is made to pay a usage fee by the mobile communication body in advance as a prepaid amount and the use fee is subtracted from the prepaid amount every time the mobile communication body is used. Is also popular.

[0006]

However, in the conventional prepaid system, since the base station stores and manages the prepaid amount for each mobile communication body, in the mobile communication system to which a large number of mobile communication bodies join. However, there is a problem that a great burden is imposed on the base station.

[0007] Further, in recent years, with a focus on the coming information network society, in place of the conventional cash wallet, the amount of money by electronic information is stored in a predetermined card or the like, and various kinds of money are used for settlement of commercial transactions using the card. A method of providing the electronic money service of is proposed. However, in these various proposed electronic money services, it is still necessary to carry the predetermined card or the like instead of the conventional wallet containing cash, and the personal belongings of the user who uses the service are It does not become smaller, but it does not disappear.

The present invention has been made in view of the above problems, and a first object thereof is to provide a mobile communication system capable of reducing the load on a base station even if a large number of mobile communication units join. The second purpose is to provide a mobile communication system capable of realizing an electronic money service without increasing the items to be carried by the user.

[0009]

[Means for Solving the Problems] To achieve the above object,
Mobile cellular unit of the present invention is a mobile communication member for performing non-line communication via a base station, and stores the wireless communication means for performing pre-Symbol base station and the wireless communication, a prepaid amount paid in advance prepaid and a money storage unit, when starting wireless communication through the base station transmits the prepaid amount stored in the prepaid amount storage means to the base station by the wireless communication means, radio communications Some of the new prepaid money will be sent to the base via the wireless communication means.
Received from the station, it is characterized in that the new prepaid amount received is configured to memorize be so that by the prepaid amount storage means. In addition, according to the present invention
A mobile communication device is a mobile device that performs wireless communication via a base station.
A wireless communication that is a communication body and performs wireless communication with the base station
Means and pre-storing prepaid amount paid
Paying amount storage means and wirelessly via the base station
When starting communication, the prepaid amount storage means
The stored prepaid amount is stored by the wireless communication means.
A new prepayment is sent to the base station during wireless communication.
Receive the amount of money from the base station by the wireless communication means.
The new prepaid amount received
The new prepaid stored by the amount storage means.
When the amount of money reaches 0, wireless communication with the base station is established.
Characterized by being configured to ban trust
is there. In addition, the base station according to the present invention has no mobile communication body.
A base station for performing line communication, the mobile communication body
Wireless communication means for performing wireless communication and the mobile communication body
Reduction of communication cost for wireless communication from prepaid amount
The mobile communication body has a wireless communication function.
When starting communication, the mobile communication unit
Id amount of money is received by the wireless communication means, and wireless communication is performed.
In some cases, the wireless communication is applied to the received prepaid amount.
The communication cost for communication is reduced by the reduction processing means.
And ask for a new prepaid amount.
Send the amount of money to the mobile communicator by the wireless communication means
It is characterized in that it is configured to. Well
In addition, in the base station according to the present invention, the mobile communication unit performs wireless communication.
A base station for performing wireless communication with the mobile communication body.
And a wireless communication by the mobile communication body
Reduces the communication cost for the prepaid amount
Forehead processing means, the mobile communication body starts wireless communication
When making a payment, make a payment from the mobile
Received by wireless communication means, and received during wireless communication.
The amount of wireless communication required for the prepaid amount
Credit costs are reduced by the reduction processing means
Calculate the amount of the pay, and add the new prepaid amount
Line communication means to the mobile communication unit,
When the prepaid amount becomes 0, the mobile communication
That it was configured to ban wireless communication with the body
It is a feature.

According to such a mobile communication system,
The prepaid amount paid in advance is not on the base station side,
Since the mobile communication body stores the data, the load on the base station can be reduced even if a large number of mobile communication bodies join. In addition, the reduction processing from the prepaid amount at the time of a call is performed by the base station side, and the mobile communication body does not change the prepaid amount by itself, so that the illegal use can be prevented.

Further, the base station is configured to reduce the prepaid amount by the reduction processing means each time the wireless communication cost reaches a predetermined unit amount for the mobile communication unit during wireless communication. Is desirable.

With this configuration, since the prepaid amount of money is reduced each time the communication cost reaches a predetermined amount, even if the communication state is interrupted by some kind of accident during wireless communication, just before the accident occurs. It is possible to reliably collect the communication cost.

Further, it is preferable that the mobile communication unit is provided with notifying means for notifying the user of the fact that the prepaid amount stored in the prepaid amount storage means becomes less than a predetermined amount.

In this way, the user can know in advance that the communication will be cut off before the prepaid amount becomes 0 during the wireless communication.

Further, the prepaid amount of the mobile communication body
Is an encrypted prepaid amount and may be unencrypted
The read-only prepaid amount is configured to
The ground station is a decipherer who deciphers the encrypted prepaid amount.
Dan, decrypted prepaid amount and readable prepaid
Checking method to check the amount of money and readable prepaid
The mobile communication body, comprising: an encryption means for encrypting an amount of money.
When starting wireless communication from the mobile communication unit,
The prepaid amount in read and encrypted states is
Received by the communication means, and the received encrypted
The paid amount is decrypted by the decryption means, and
The prepaid amount that was saved and the readable prepaid amount
Is collated by the collation means, and the collation result does not match.
Wireless communication with the mobile communication unit is prohibited
On the other hand, if the verification results match, the mobile communication unit
Continue wireless communication with the
Encrypt the prepaid amount by the encryption means
, The new encrypted prepaid amount and encryption
Not read new prepaid amount in readable state
Desirably, it is arranged to transmit to the mobile communicator by means of communication .

With this configuration, the prepaid amounts of the readable state and the concealed state are stored together in the mobile communication unit, so that the mobile communication unit can independently decode the prepaid amount of the concealed state. Can not. Then, at the time of a call, the base station collates the readable prepaid amount stored by the mobile communication unit with the secret prepaid amount,
If the verification result does not match, wireless communication by the mobile communication body is prohibited. Therefore, even if the prepaid amount in the readable state is falsified, it is discovered and the illegal use of the mobile communication body is prevented in advance. You can

The terminal according to the present invention is a mobile communication device.
Short-distance communication means for performing short-distance communication with the body, and the mobile communication
Variable processing to increase or decrease the prepaid amount of the body
And means for accessing the financial system server
It is the end machine, and the prescribed replenishment amount is added to the prepaid amount.
Short-distance communication with the mobile communication device is possible during replenishment processing
In this state, the mobile communication body or the terminal is charged with the supplementary money.
Depending on the amount entered, advance the prepaid amount
Received from the mobile communication unit by short-range communication means,
The replenishment amount is transferred to the financial system server.
Providing the wireless communication service to mobile communication
The processing request to deposit into the donor's account has been sent and received.
The replenishment amount for the prepaid amount
Increase the amount by steps to obtain a new prepaid amount, and
The new prepaid amount by the short-range communication means.
Configured to transmit to the mobile communication device,
The mobile communication unit is a short-range communication means for performing short-range communication with the terminal.
Has a predetermined replenishment amount in addition to the prepaid amount.
When dealing with, in a state where short-range communication with the terminal is possible,
Input the replenishment amount into the mobile communication unit or the terminal.
In accordance with that, the prepaid amount storage means is recorded.
The stored prepaid amount is stored by the short-distance communication means.
New prepaid amount increased by sending to the terminal
Is received from the terminal by the short-range communication means,
The new prepaid amount received is the prepaid amount
It is desirable that it is configured to be stored by the forehead storage means .

In this way, the user of the mobile communication device sets the terminal that can access the financial system server and the mobile communication device in a short-distance communication state, and the manager of the terminal device etc. By paying, the prepaid amount of the mobile communication body can be replenished by the administrator or the like via the terminal. At this time, since the prepaid amount of money, which is electronic money, is exchanged via the short-distance communication means, high communication safety can be ensured.

[0019]

[0020]

Also, the terminal is equipped with an encrypted
Id Decoding means to decipher the amount and deciphered prepaid
Matching means to match the amount of money with the readable prepaid amount of money
And an encryption means for encrypting the readable prepaid amount
And has a predetermined replenishment amount added to the prepaid amount.
When processing, the readable state and
The encrypted prepaid amount is transferred by the short-range communication means.
The received prepaid amount in the encrypted state
Is decrypted by the decryption means, and the decrypted prep
Id amount and the readable prepaid amount as described above
When collating by means and the above collation results do not match
While prohibiting replenishment processing of the prepaid amount,
If the matching results match, the prepaid amount is supplemented.
Continue the replenishment process and pay the new prepaid amount
It is encrypted by the encryption means, and the encrypted new
Prepaid amount and new unreadable readability
The prepaid amount of money by the short-distance communication means.
It is desirable to be configured to transmit to mobile communication .

In this way, the user of the mobile communicator can move through the terminal by making the terminal accessible to the financial system server and the mobile communicator short distance communicable. The prepaid amount of communication can be supplemented. At this time, since the prepaid amount of money, which is electronic money, is exchanged via the short-distance communication means, high communication safety can be ensured. Further, the mobile communication body stores the prepaid amounts of the readable state and the confidential state together, and when the mobile communication unit communicates with the terminal, the prepaid amount of the readable state and the prepaid amount of the confidential state are collated in advance. Therefore, it is possible to prevent unauthorized use of the mobile communication body.

Further, the mobile communication body has a recitation number storage means for storing a predetermined recitation number and a display means for displaying the prepaid amount stored in the prepaid amount storage means. On the other hand, the prepaid amount stored in the prepaid amount storage means is configured to be displayed by the display means only when the number corresponding to the predetermined recitation number stored in the recitation number storage means is input. Is desirable.

In this way, the prepaid amount stored in the mobile communication unit can be confirmed only by the authorized user who knows the code number, and the safety is improved.

[0025]

[0026]

[0027]

[0028]

[0029]

[0030]

[0031]

[0032]

[0033]

[0034]

[0035]

[0036]

[0037]

1 is an explanatory diagram showing the overall schematic configuration of a mobile communication system according to the present invention.

The mobile communication system according to the present invention is a so-called mobile phone 10 which is a mobile communication device, a so-called telephone station system 20 which is a base station which provides a wireless communication service by the mobile phone 10, and a financial system. Bank system 30 and store network system 40
And an encryption key management system 50 for managing the encryption key,
And a connecting device 60 for connecting each system.

FIG. 2 is a functional block diagram showing the internal structure of the mobile phone 10.

The mobile telephones 10 ... Include radio communication means 11
A wired communication unit 12, a storage unit 13 for storing various information such as a prepaid amount, an electronic money amount, and a code number, a voice input / output unit 14 for a voice call, and a key operation input from a user. A keyboard 15 as an input means for receiving, a monitor 16 for outputting information such as characters and images to the user, a speaker 17 for issuing a warning sound to the user, and the prepaid amount is not less than a predetermined warning amount. It is provided with a prepaid balance confirmation means 18 for confirming whether or not, and a control means 19 for integrally controlling various processes in the mobile phone 10.

The wireless communication means 11 performs wireless communication with a telephone station terminal 22 of a telephone station system 20, which will be described later, and has an antenna 111.

The wired communication means 12 is short-circuited with the bank terminals 32 of the bank system 30 and the terminal terminals 42 of the store network system 40, which will be described later, by wire connection. It performs wired communication over a distance and has a connector 121 for wired connection. The wired communication means 12 may be replaced with a short-distance wireless communication means using a medium such as laser, infrared rays or ultrasonic waves as long as the reliability of communication can be obtained. Wired communication means 232, 322, 4 provided in the function recovery processing terminal 23, the bank terminal 32, and the store terminal 42 described later.
22 is also the same.

The storage means 13 is a normal information storage area 1
3a, a secret information storage area 13b, and a hexadecimal number information storage area 13c are divided into three areas, and various information to be described later is stored in any one or a plurality of these three areas.

The normal information storage area 13a is an area for storing information (data) in a readable state that can be read by directly converting the code. The information in this area 13a can be read out independently by the main body of the mobile phone 10,
If a predetermined condition is satisfied, it can be displayed to the user.

The secret information storage area 13b is the normal information storage area 13a for the purpose of enhancing security.
Is an area in which information obtained by encrypting specific information stored in is stored. Information in this area 13b is stored in the mobile phone 10
It cannot be decrypted by the main body, but can be decrypted only by the bank terminal 32 or the like of the bank system 30 which will be described later, and its contents can be changed.

The hexadecimal information storage area 13c is 1
This area stores hexadecimal information. This area 1
The information of 3c is difficult for the user to decipher, but the cellular phone 10 can decipher it.

The storage means 13 has a prepaid amount storage unit 131, an electronic money amount storage unit 132, a password number storage unit 133, a control information storage unit 134, a personal data storage unit 135 in the above three areas. It has a user telephone directory storage unit 136 and the like.

The prepaid amount storage unit 131 is provided in each of the normal information storage region 13a and the secret information storage region 13b, and the prepaid amount which is a communication fee for receiving the wireless communication service prepaid by the user is Remembered

The electronic money amount storage unit 132 is provided in each of the normal information storage area 13a and the secret information storage area 13b, and stores the amount of electronic money using the mobile phone 10 as an electronic money system terminal. .

The recitation number storage section 133 is provided in each of the normal information storage area 13a, the secret information storage area 13b, and the hexadecimal number information storage area 13c, and a predetermined recitation number (for example, a four-digit number) set by the user. Is remembered.

The control information storage section 134 is provided in the hexadecimal number information storage area 13c, and when the secret information stored in the secret information storage area 13b is decrypted in the bank terminal 32 or the like, an encryption required for this decryption is performed. It is used to identify the key.

The personal data storage unit 135 is provided in each of the normal information storage area 13a and the secret information storage area 13b, and has a name, address, and
A telephone number, user confirmation ID data, an account number of a user's transaction bank (user account number), an account number of a transaction bank of a provider who provides a wireless communication service by this mobile phone 10 (a telephone station account number). ), And the current account number (current account number) of the bank in which the amount of electronic money of this mobile phone 10 is pooled. In addition,
As will be described later, the user confirmation ID data indicates whether or not the user is a true user of the mobile phone 10 when recovering (unlocking) the function of the mobile phone 10 that has been in the function-stopped state (locked state). ID used for confirmation, and can be confirmed by official documents such as driver's license number
The data.

The user's telephone directory storage unit 136 and the like are normally provided in the information storage area 13a, and store various information such as the destination telephone number registered by the user as in the case of a conventional general mobile telephone. Remembered

The voice input / output means 14 includes a microphone and a speaker for carrying out a normal call processing based on voice information by the portable telephone 10.

The keyboard 15 is an input means for a user to input a telephone number to be called and various amount information to the mobile phone 10 by operating a key. In addition, below,
The keyboard 15 is used by the user to input data to the mobile phone 10.

The monitor 16 outputs information such as characters and images to the user. Note that, in the following, the output to the user by the mobile phone 10 is basically by the monitor 16. Further, the monitor 16 serves as a notification means together with the prepaid balance check means 18 and the like.

The speaker 17 emits a warning sound to the user. The speaker 17 is
Together with the prepaid balance check means 18 and the like, it serves as a notification means.

The prepaid balance confirmation means 18 confirms whether or not the prepaid amount is equal to or less than a predetermined warning amount during the normal call processing by the mobile phone 10, and serves as an informing means. . That is, when the prepaid balance confirmation means 18 finds that the prepaid amount is less than or equal to a predetermined warning amount, the user is warned by the monitor 16 and the speaker 17.

The control means 19 centrally controls various processes in the mobile phones 10.

FIG. 3 is a functional block diagram showing the internal structure of the telephone station system 20.

The telephone office system 20 includes a telephone office server 21.
, A telephone station terminal 22 ..., and a function recovery processing terminal 23
, And the communication line 2 for connecting the central office server 21, the central office terminal 22, and the function recovery processing terminal 23.
4 and. In addition, this telephone station system 2
0 constitutes a base station that provides a wireless communication service to the mobile phone (mobile communication body) 10 as a whole.

The central office server 21 includes the mobile phones 10 ...
A telephone management data storage unit 211 that stores and manages data such as the telephone number and ID number of the above, and a control unit 212 that controls and controls various processes in the telephone station server 21.

The telephone station terminal 22 has a wireless communication means 22 having an antenna 221 for wirelessly communicating with the mobile phone 10.
2, decryption means 223 for decrypting the encrypted confidential information received from the mobile telephone 10, collation means 224 for collating the decrypted information with normal information received from the mobile telephone 10, and received from the mobile telephone 10. The reduction processing means 225 for reducing the prepaid amount of the normal information, the encryption means 226 for again encrypting the normal information including the reduced prepaid amount into the secret information, and various telephone station terminals 22. Control means 227 for controlling and controlling the processing
It has and.

The decryption means 223 and the encryption means 22
As will be described later, 6 is configured to perform a decryption process of secret information stored in the mobile phone 10 and an encryption process of normal information based on an encryption key acquired from the encryption key management system 50.

The reduction processing means 225 is the mobile phone 1
When 0 is a normal call, the prepaid amount of the normal information received from the mobile phone 10 is reduced at predetermined timings based on preset call unit price information to obtain a new prepaid amount.

The function recovery processing terminal 23 receives from the portable telephone 10 the wired communication means 232 having the connector 231 for performing the wired communication with the portable telephone 10, the input means 233 for receiving the input by the user or the window operator. A decryption unit 234 for decrypting the encrypted secret information, an encryption unit 235 for encrypting the decrypted information into secret information again,
Controls various processes in this function recovery terminal 22
The control means 226 which controls is provided.

The decryption means 234 and the encryption means 23
As will be described later, the reference numeral 5 is adapted to perform the decryption processing of the secret information stored in the mobile phone 10 and the encryption processing of the normal information based on the encryption key acquired from the encryption key management system 50.

FIG. 4 is a functional block diagram showing the internal structure of the bank system 30.

The bank system 30 includes a bank server 31 and
It is composed of a plurality of bank terminals 32 ... And a communication line 33 connecting these bank server 31 and bank terminals 32. The bank system constitutes the financial system as a whole.

The bank server 31 has an account 311 of a telephone station which is a provider of the wireless communication service by the telephone station system 20, an account 312 of a user who uses the mobile telephones 10 ... It has a current account 313 for pooling the amount of electronic money stored in, and a store account 314 of the store network system 40. Further, the bank server 31 uses the communication line 3
And a remittance processing means 316 for performing remittance processing from a predetermined account to another account in response to a remittance processing request. The bank server 31 is provided with a control unit 317 that controls and controls various processes. The bank server 31 constitutes a financial system server.

The bank terminal 32 has a wire communication means 322 having a connector 321 for performing wire communication with the mobile phones 10 ..., an input means 323 for receiving an input by a user or a window operator, and a reception from the mobile phone 10. Decrypting means 324 for decrypting the encrypted confidential information,
A collating unit 325 for collating the decrypted information with the normal information received from the mobile phone 10, and a variable amount processing unit 326 for increasing or decreasing the prepaid amount or the electronic money amount of the normal information received from the mobile phone 10. An encryption unit 327 for encrypting the normal information including the prepaid amount or the electronic money amount processed for the amount into secret information again.
And a control means 328 that controls and controls various processes in the silver terminal 32. This bank terminal 32
Configures a terminal accessible to the bank server 31 which is a financial system server.

The decryption means 324 and the encryption means 32
As will be described later, the device 7 is adapted to perform the decryption process of the secret information stored in the mobile phone 10 and the encryption process of the normal information based on the encryption key acquired from the encryption key management system 50.

FIG. 5 is a functional block diagram showing the internal structure of the store network system 40.

The store network system 40 includes, for example, a system generally referred to as a POS system and the like, and various types of stores are provided to the store server 41 that manages and operates the system and the users of the mobile phones 10 ... A plurality of over-the-counter terminals 42 arranged in shops that sell goods and services ...
And a communication line 43 connecting the server 41 and the in-store terminal 42 ... The store network system 40 is a store that conducts commercial transactions via electronic money in the mobile phone 10.

The store server 41 comprises store management data storage means 411 for managing sales and the like for each store and control means 412 for controlling and controlling various processes in the store server 31.

The in-store terminal 42 is installed in a store or the like of a store, and has wired communication means 422 having connectors 421 for performing wired communication with the mobile phones 10 ...
And an input means 4 for receiving input by a user or a window operator
23, a decryption unit 424 for decrypting the encrypted secret information received from the mobile phone 10, a collation unit 425 for collating the decrypted information with the normal information received from the mobile phone 10, and a reception unit from the mobile phone 10. A variable amount processing unit 426 that increases or decreases the prepaid amount or the electronic money amount of the normal information, and an encryption unit 427 that again encrypts the normal information including the variable amount processed prepaid amount or the electronic money amount into secret information. An output unit 428 for outputting various information to a user or a window operator, and a control unit 429 for controlling and controlling various processes in the shop terminal 42 are provided. The in-store terminal device 42 constitutes a terminal device accessible to the bank server 31 which is a financial system server.

The decryption means 424 and the encryption means 42
As will be described later, the device 7 is adapted to perform the decryption process of the secret information stored in the mobile phone 10 and the encryption process of the normal information based on the encryption key acquired from the encryption key management system 50.

FIG. 6 is a functional block diagram showing the internal structure of the encryption key management system 50.

The encryption key management system 50 encrypts a cipher generating means 51 for generating a new cipher key every predetermined period, a cipher key storage means 52 for storing a past cipher key, and a cipher key for a past generated cipher key. The encryption key storing means 52 is searched based on the control information capable of specifying the key generation time, and the control means 54 for controlling and controlling various processes in the encryption key management system 50. There is.

In the mobile communication system according to this embodiment, the secret information such as the prepaid amount stored in the mobile telephones 10 ... Is encrypted by the encryption key generated by the encryption key management system 50. Control information, which is information for specifying the encryption key, is also stored in each mobile phone 10. Therefore, the decryption means 324 or the like of the bank terminal 32 transmits the control signal received from the mobile phone 10 to the encryption key management system 50 to receive the encryption key for decryption from the system 50, It is designed to decipher. The encryption means 327 of the bank terminal 32 encrypts various information to be stored in the mobile phone 10 with the current (latest) encryption key obtained from the encryption key management system 50, and the encryption. Control information, which is information for specifying the key, is also transmitted to the mobile phone 10 and stored therein.

Next, the procedure of various processes in this system will be described with reference to FIGS.

Normal Call Processing (FIGS. 7 and 8) FIGS. 7 and 8 show a processing procedure performed during a normal call by the mobile phone (mobile communication body) 10.

This normal call processing is started by the user inputting the callee telephone number into the keyboard (input means) 15 of the mobile phone 10 and further pressing the call start button (step S100). The mobile phone 10 stores the control information 1 stored in the storage means 13 in the mobile phone 10 together with the input telephone number.
34, the normal information 13a and the secret information 13b are transmitted to the telephone station system (base station) 20 (step S10).
2).

The telephone station terminal (terminal) 22 of the telephone station system 20 receives the above information (step S10).
4), The received control information 134 is transmitted to the encryption key management system 50 (step S106).

When the cryptographic key management system 50 receives the control information (step S108), the retrieval means 53 retrieves the cryptographic key corresponding to the control information from the cryptographic key storage means 52 (step S110), and retrieves the cryptographic key. The data is transmitted to the telephone station terminal 22 (step S112).

Upon receiving the encryption key (step S114), the central office terminal 22 uses the encryption key by the decryption means 223 to receive the secret information 13 from the mobile phone 10.
b is decoded (step S116), and the collating means 224 collates the normal information 13a received from the mobile phone 10 with the information obtained by decrypting the secret information 13b (step S116).
118).

If the verification result is inconsistent, it is determined that the information in the mobile phone 10 has been tampered with,
The line is disconnected and the function of the mobile phone 10 is stopped (step S120). As a result, the mobile phone 10 is locked, and thereafter, any input by the user is rejected and illegal use is prevented.

On the other hand, if the verification results match, the central office terminal 22 determines the position of the mobile phone 10 requesting connection, the position of the callee, the call mode used,
Furthermore, the call unit price is calculated according to the time (step S1.
22), the call is permitted via the telephone station (base station) of the call destination (step S124). As a result, the mobile phone 10 is brought into a call state.

Subsequently, the telephone station terminal 22 determines whether or not the prepaid amount 131 obtained from the mobile phone 10 of the calling source is 0 (step S126), and if it is 0, disconnects the call. .

On the other hand, when the prepaid amount 131 is not 0, the reduction processing means 225 reduces the prepaid amount 131 in the normal state 13a according to the call unit price to obtain a new prepaid amount 131 ( In step S130), the current encryption key request is transmitted to the encryption key management system 50 (step S132).

Upon receiving the request (step S134), the encryption key management system 50 obtains the current encryption key and the current control information from the encryption key storage means 52 by the search means 53 and sends them to the telephone terminal unit 22 ( Step S
136).

When the telephone station terminal 22 receives the current encryption key and the current control information (step S138), the new ordinary information 13a obtained by reducing the prepaid amount 131 is
The secret information 13b is encrypted by the encryption means 226 using the received current encryption key (step S140), and the secret information 13b is encrypted together with the new secret information 13b.
The normal information 13a that is the source of this and this confidential information 1
The current control information 134 corresponding to the current encryption key used for the encryption process of 3b is transmitted to the mobile phone 10 (step S142). Note that this transmission is performed while the mobile phone 10 is in a call, but since it is information communication for a very short time, normal voice communication is not hindered.

When the mobile phone 10 receives the above information (step S144), the mobile phone 10 stores the received information in the storage means 13 in the mobile phone 10 (step S14).
6). Then, of the received normal information 13a, the prepaid balance check means 18 determines whether the prepaid amount 131 is less than or equal to a preset predetermined amount (step S148). The user is informed by the warning display on the monitor 16 and the warning sound on the speaker 17 that the remaining amount of the prepaid amount 131 is small and the call will be disconnected soon (step S150).

On the other hand, the telephone station terminal 22 manages the call time by the mobile phone 10, and repeatedly determines whether the call time has not passed the time corresponding to the call unit price (step S152). When the time corresponding to the call unit price has elapsed, the reduction processing unit 225 further reduces the prepaid amount 131 to be processed in step S12.
Return to 6.

Thus, the call state of the mobile phone 10 is
It is maintained until the prepaid amount 131 becomes 0 or the user requests the mobile phone 10 to disconnect the line (step S154).

Replenishment process of prepaid amount by cash payment (FIGS. 9 and 10) FIGS. 9 and 10 show that the prepaid amount 131 of the mobile phone 10 is paid via the in-store terminal 42 by paying cash at the store. The processing procedure when replenishing is shown.

In the replenishment process of the prepaid amount 131 by cash, the user preliminarily sets the mobile phone 10 at the in-store terminal 4.
2 near the mobile phone 10 and the store terminal 42
The precondition is to connect the connectors 121 and 421 of the wired communication means (short-distance communication means) 12 and 422 to the two so as to be able to communicate with each other. In this state, the user requests, via the keyboard (input means) 15, the mobile phone 10 to replenish the prepaid amount 131 by cash payment, and the mobile phone 10 accepts the request, whereby the prepaid by cash payment is received. Replenishment processing for the amount 131 is started (step S20).
0).

The mobile phone 10 transmits the control information 134, the normal information 13a, and the secret information 13b stored in the storage means 13 in the mobile phone 10 to the over-the-counter terminal 42 together with the request for the prepaid amount replenishment process (step). S202).

After the in-store terminal 42 receives the above information (step S204), the series of processes (steps S206 to S220) until the received normal information 13a and the received secret information 13b are collated is the same as the above-mentioned normal operation. In the call processing, the central office terminal 22 and the encryption key management system 50
Since it is the same as the series of processes (steps S104 to S120) performed by, the redundant description will be omitted.

The received normal information 13a and confidential information 13b
If the result of the check is in agreement (to the matching side in step S218), the replenishment amount paid by the user of the mobile phone 10 at the store is the input means 423 of the store terminal 42 by the terminal operator of the store terminal 42. (Step S222).

When the above replenishment amount is input, the in-store terminal 42 receives the personal data 135 received from the mobile phone 10.
The account number of the telephone office account 311 is obtained from the bank account, and the bank system 30 (correctly, the bank server 31) to which the remittance process should be requested together with the account number of the store account 314 of the shop terminal 42 is specified, The amount is 314
Sends a request for processing of remittance from the telephone station account 311 to the bank system 30 (more precisely, the bank server 31) (step S224).

When the bank server 31 receives the request (step S226), the remittance processing means 316 remits the replenishment amount from the store account 314 to the telephone station account 311 (step S228), and the remittance processing is completed. The notification to the effect is transmitted to the in-store terminal device 42 (step S230).

Upon receipt of the above notification (step S232), the in-store terminal 42 increases the prepaid amount 131 in the normal state 13a by the replenishment amount by the variable amount processing means 426 (step S234).

After that, the in-store terminal 42 obtains the current encryption key, and the prepaid amount 131 is increased to the normal information 13a.
Is encrypted, each piece of information is transmitted to the mobile phone 10, and the mobile phone 10 that has received each piece of the information stores the storage means 13.
Series of processes stored in (steps S236 to S250)
Is the telephone station terminal 2 in the normal call processing described above.
2. The series of processes (steps S132 to S146) performed by the cryptographic key management system 50 and the mobile phone 10 are the same, and thus redundant description will be omitted.

Upon completion of the series of processes, the in-store terminal 42 sends a process completion notice to the mobile phone 10 (step S252), and the mobile phone 10 receives the process completion notification. It is released from the in-store terminal 42 (step S254), and the connectors 121, 4
21 The connection is released, and the replenishment process of the prepaid amount 131 by cash payment is completed.

The replenishment process of the prepaid amount 131 by the cash payment can be performed via the bank terminal 32 of the bank system 30 in the same manner as the above-mentioned store terminal 42. In this case, the cash paid by the user goes directly to the bank (to the bank system side).
Since the money is deposited, the deposit processing of the supplement amount to the telephone station account 311 is performed by the deposit processing means 315 included in the bank server 31.

Prepaid amount replenishment process by account transfer (FIGS. 11 and 12) FIGS. 11 and 12 show an account transfer process from the deposit of the user's bank account (user account 312) via the over-the-counter terminal 42. , A processing procedure for replenishing the prepaid amount 131 of the mobile phone 10 is shown.

Prepaid amount of money by this account transfer 13
In the replenishment processing of No. 1, the user positions the mobile phone 10 near the in-store terminal 42 in advance, and the wired communication means (short-distance communication means) 12, 42 between the mobile phone 10 and the in-store terminal 42.
By connecting the connectors 121 and 421 included in 2 to each other, it is a prerequisite that both are in a communicable state.

In this state, the user requests the mobile telephone 10 to perform the replenishment processing of the prepaid amount 131 by the account transfer, and the mobile telephone 10 accepts the request, and the replenishment processing of the prepaid amount 131 by the account transfer is performed. It is started (step S300).

The mobile phone 10 transmits the control information 134, the normal information 13a and the secret information 13b stored in the storage means 13 in the mobile phone 10 to the over-the-counter terminal 42 together with the request for the prepaid amount replenishment process (step). S302).

After the in-store terminal 42 receives the above information (step S304), the series of processes (steps S306 to S320) until the received normal information 13a and the received secret information 13b are collated is the same as the above-mentioned normal operation. In the call processing, the central office terminal 22 and the encryption key management system 50
Since it is the same as the series of processes (steps S104 to S120) performed by, the redundant description will be omitted.

The received normal information 13a and confidential information 13b
If the result of the collation is matched (to the matching side in step S318), the replenishment amount to be replenished in the prepaid amount 131 by the transfer from the user account 312 is input by the user of the mobile phone 10 to the over-the-counter terminal 42. Means 423
(Step S322).

When the above replenishment amount is input, the in-store terminal 42 receives the personal data 135 received from the mobile phone 10.
The bank system 30 (to be exact, the bank server 3) that obtains the account number of the telephone station account 311 and the account number of the user account 312 that is the user's account from the
1) and requests the bank system 3 to process the replenishment amount from the user account 312 to the telephone office account 311.
0 (to be exact, the bank server 31) (step S324).

Upon receiving the request (step S326), the bank server 31 determines whether the balance of the user account 312 is equal to or more than the replenishment amount (step S32).
8) If the balance of the user account 312 is insufficient, a notification that the remittance process according to the above request is impossible is sent to the in-store terminal device 4
2 (step S330).

Upon receipt of this notification (step S332), the in-store terminal 42 stops the replenishment processing procedure of the prepaid amount 131 due to account transfer (step S33).
4), the procedure ends.

On the other hand, if the balance of the user account 312 is not less than the replenishment amount, the bank server 31 causes the remittance processing means 31.
6, the remittance amount of the replenishment amount is transferred from the user account 312 to the telephone station account 311 (step S336), and a notification that the remittance process is completed is transmitted to the in-store terminal 42 (step S338).

Upon receipt of the notification (step S340), the in-store terminal 42 increases the prepaid amount 131 in the normal state 13a by the amount of replenishment by the variable amount processing means 426 (step S342).

After that, the in-store terminal 42 obtains the current encryption key, and the prepaid amount 131 is increased to the normal information 13a.
Is encrypted, each piece of information is transmitted to the mobile phone 10, and the mobile phone 10 that has received each piece of the information stores the storage means 13.
A series of processes stored in (steps S344 to S358)
Is the telephone station terminal 2 in the normal call processing described above.
2. The series of processes (steps S132 to S146) performed by the cryptographic key management system 50 and the mobile phone 10 are the same, and thus redundant description will be omitted.

Upon completion of the series of processes, the in-store terminal 42 sends a process completion notice to the mobile phone 10 (step S360), and the mobile phone 10 receives the process completion notification, so that the mobile phone 10 receives the notification. It is released from the in-store terminal 42 (step S362), and the connectors 121, 4 are connected.
21 Connection is released, prepaid amount of money by direct debit 1
The supplement process of 31 is completed.

The replenishment process of the prepaid amount 131 by this account transfer is performed by the bank terminal 3 of the bank system 30.
2 can be performed in the same manner as the case of performing via the in-store terminal device 42 described above.

Confirmation Process of Prepaid Amount by User (FIG. 13) FIG. 13 shows a processing procedure when the user confirms the prepaid amount 131 stored in the mobile phone 10.

In the confirmation processing of the prepaid amount 131 by the user, the user requests the mobile phone 10 to display the prepaid amount 131 through the keyboard (input means) 15, and the mobile phone 10 accepts the request. The confirmation process is started (step S400).

The mobile phone 10 has a monitor (output means) 1
The display on 6 requests the user to input the recitation number (step S402), and the user operates the keyboard 15
When the recitation number is input to (step S404), the mobile phone 10 inputs the recitation number and the readable recitation number 13 stored in the normal information area 13a of the storage unit 13.
3 is checked (step S406).

If the verification results match, the mobile phone 1
For 0, the input recitation number is converted into a hexadecimal value (step S408), and the input recitation number thus converted is compared with the recitation number 133 stored in the hexadecimal information area 13c of the storage unit 13. (Step S41
0).

If this collation result also matches, the mobile phone 1
0 reads the prepaid amount 131, which is the confirmation item requested by the user, from the normal storage area 13a of the storage means and displays it on the monitor 16 (step S412). Then, when the user confirms the prepaid amount 131 and presses the button corresponding to the end operation on the keyboard 15 (step S414), the display is erased and the confirmation processing is ended (step S416).

On the other hand, if any of the above two-stage collation results do not match, the mobile phone 10 determines whether or not the number of collations is a predetermined number (for example, three times) or less (step S418). If it is less than the predetermined number of times, the process returns to step S402 to prompt the user to input the recitation number again.

If the number of collations exceeds the predetermined number, it is determined that the operation is performed by an unauthorized user who does not know the code number, or the information in the storage unit 13 has been tampered with, and the function of the mobile phone 10 is stopped. (Step S420).
As a result, the mobile phone 10 is locked, and thereafter, any input by the user is rejected and illegal use is prevented.

By the same procedure as the above processing, the electronic money amount 132 and the like stored in the mobile phone 10 can be confirmed only by the authorized user.

Function stop (lock) for mobile phones
State release processing (FIGS. 14 and 15) FIG. 14 and FIG. 15 show that the function recovery processing terminal 23 of the central office system 20 stops the function of the mobile phone 10 in the function stopped (locked) state. The processing procedure for releasing the (locked) state is shown.

To release the function-stopped (locked) state for the mobile phone, the user positions the mobile phone 10 near the function recovery processing terminal 23 in advance, and the mobile phone 10 and the function recovery processing terminal 23 are wired. Connectors 121 and 2 included in the communication unit (short-range communication unit) 12 and 232.
It is a prerequisite that both are connected so that they can communicate with each other.

In this state, first, the function recovery processing terminal 2
3 requests the user to input a password by the output means 428 (step S500). When the function recovery processing terminal 23 receives the recitation number input by the user through the input unit 233 (step S502), the function recovery processing terminal 23 instructs the mobile phone 10 to control the control information 134, the normal information 13a,
And a request for the confidential information 13b is transmitted (step S504).

In response to the request, the mobile phone 10 transmits the control information 134, the normal information 13a and the secret information 13b to the function recovery processing terminal 23 (step S50).
6).

After the function recovery processing terminal 23 receives the above information (step S508), the received confidential information 1
A series of processing until decoding 3b (steps S510 to S510).
Since S520) is the same as the series of processes (steps S104 to S116) performed by the telephone station terminal 22 and the encryption key management system 50 in the above-described normal call process, redundant description will be omitted.

The function recovery processing terminal 23, which has deciphered the secret information 13b, receives the secret code entered by the user and the secret information 1
The secret code number 133 obtained by decoding 3b is collated (step S522), and if they do not match, it is determined that the user who requests the function recovery is not an authorized user of the mobile phone 10 and the function recovery process is stopped. (Step S524). As a result, the mobile phone 10 is maintained in the locked state, and unauthorized use is prevented.

On the other hand, the input recitation number and secret information 13
When the code number 133 obtained by decoding b is the same, the function recovery processing terminal 23 obtains the ID for personal identification from the personal data 135 obtained by decoding the secret information 13b,
This is displayed on the display unit 236 to request confirmation from the window operator (step S526).

The window operator collates the personal identification document such as a driver's license shown by the user with the personal identification ID displayed on the display unit 236 to determine whether the user is an authorized user. , And inputs the result to the input means 233.

The function recovery processing terminal 23 receives the confirmation result input by the window operator (step S52).
8) If an input is made that the window operator has determined that the user is not an authorized user, it is determined that the user who requests function recovery is not an authorized user of the mobile phone 10 and the function recovery process is stopped (step S524). ). This allows
The mobile phone 10 is kept in the locked state, and unauthorized use is prevented.

On the other hand, when the window operator judges that the user is an authorized user, the function recovery processing terminal 23 obtains the current encryption key and decrypts it from the secret information 13b as described above. A series of processes (steps S532 to S546) in which the normal information is encrypted, the respective information is transmitted to the mobile phone 10, and the mobile phone 10 which received the respective information stores in the storage unit 13 (steps S532 to S546) are the above-mentioned normal call processing. Since the procedure is the same as the series of processes (steps S132 to S146) performed by the telephone terminal 22, the encryption key management system 50, and the mobile phone 10, duplicate description will be omitted.

If each new information in which the normal information 13a and the secret information 13b match is stored in the mobile phone 10,
The function recovery terminal 23 sends a permission command for releasing the function stopped (locked) state to the mobile phone 10 (step S548), and the mobile phone 10 having received this command is released from the function stopped (locked) state. After that, the process returns to the normal state in which various inputs by the user are accepted.

When the series of processing is completed in this way, the function recovery terminal 23 sends a notification of the completion of treatment to the mobile phone 10 (step S552), and the function recovery processing terminal 23
When the series of processes are completed, the mobile phone 10 transmits a process completion notification to the mobile phone 10 (step S552), and the mobile phone 10 receives the process completion notification. The connection is released (step S554), the connections of the connectors 121 and 231 are released, and the process of releasing the function-disabled (locked) state of the mobile phone 10 ends.

Payment processing by electronic money (FIG. 16-
18) FIG. 16 to FIG. 18 show a processing procedure in the case where a user who shopped at a store pays by electronic money in the mobile phone 10 via the in-store terminal 42 installed at the store. Shows.

In this electronic money payment processing, the user positions the mobile phone 10 near the store terminal 42 in advance, and the wired communication means (short-distance communication means) 12, 422 between the mobile phone 10 and the store terminal 42. Connector 1
The precondition is to connect the two terminals 421 and 421 so that they can communicate with each other.

[0143] In this state, the user is informed that the mobile phone 10 is to perform payment processing by electronic money.
A request is made by inputting to the keyboard (input means) 15 of the mobile phone 10 and the mobile phone 10 accepts the request to start the payment processing by electronic money (step S6).
00).

The mobile phone 10 sends the electronic money payment request and the control information 134, the normal information 13a and the secret information 13b stored in the storage means 13 in the mobile phone 10 to the in-store terminal 42 (step S).
602).

After the in-store terminal 42 receives the above information (step S604), a series of processes (steps S606 to S620) until the received normal information 13a and the received secret information 13b are collated are the same as the above-mentioned normal operation. In the call processing, the central office terminal 22 and the encryption key management system 50
Since it is the same as the series of processes (steps S104 to S120) performed by, the redundant description will be omitted.

The received normal information 13a and secret information 13b
When the result of the collation is in agreement (to the matching side in step S618), the in-store terminal 42 requests the user for the password by the output means 4248 (step S62).
2) If the recitation number input to the input means 423 is accepted (step S624), the in-store terminal 42 compares the input recitation number with the recitation number 133 received from the mobile phone 10 (step). S626).

If the collation results do not match, it is determined that the user who intends to pay is not the authorized user of the mobile phone 10, and the payment processing procedure using the electronic money is stopped (step S628).

On the other hand, if the collation results match, the store terminal 42 requests the store clerk to input the payment amount to be paid by the user by the output means 428 (step S6).
30) If the payment amount input to the input unit 423 is accepted (step S632), the over-the-counter terminal 42 determines whether the electronic money amount 132 received from the mobile phone 10 is equal to or more than the input payment amount. That is, it is determined whether or not payment is possible (step S634), and if payment is not possible, the fact that the remaining amount of electronic money is insufficient is notified, and the payment processing by electronic money is ended.

On the other hand, when payment is possible, the output means 428 requests the user to confirm the payment amount (step S638). As a result of this confirmation, if the user refuses the payment (NO in step S640), the payment processing procedure by electronic money is ended (step S64).
2).

If the user's confirmation result is OK (YES in step S640), the over-the-counter terminal 42 uses the personal data received from the mobile phone 10 to check the current account of the bank in which the electronic money of this mobile phone 10 is pooled. 313 together with the account number 313, the store account 314 of the store terminal 42
The bank system 30 (to be exact, the bank server 31) that should request the remittance process together with the account number of the bank account is requested to process the remittance of the payment amount from the current account 313 to the store account 314. The bank server 3
1) is transmitted (step S644).

When the bank server 31 receives the request (step S646), the remittance processing means 316 remits the payment amount from the current account 313 to the store account 314 (step S648), and the remittance processing is completed. A notification to that effect is transmitted to the in-store terminal 42 (step S650).

When the above-mentioned notification is received (step S652), the in-store terminal 42 carries out the reduction processing by the variable amount processing means 426 to deduct the electronic money amount 132 in the normal state 13a by the above payment amount (step S654).

After that, the in-store terminal 42 obtains the current encryption key and the electronic money amount 132 is reduced, and the normal information 13a is obtained.
Is encrypted, each piece of information is transmitted to the mobile phone 10, and the mobile phone 10 that has received each piece of the information stores the storage means 13.
Series of processes stored in (steps S656 to S670)
Is the telephone station terminal 2 in the normal call processing described above.
2. The series of processes (steps S132 to S146) performed by the cryptographic key management system 50 and the mobile phone 10 are the same, and thus redundant description will be omitted.

Upon completion of the series of processes, the in-store terminal 42 sends a process completion notice to the mobile phone 10 (step S672), and the mobile phone 10 receives the process completion notification. It is released from the in-store terminal 42 (step S674), and the connectors 121, 4
21 The connection is released, and the payment process using electronic money ends.

Replenishment process of electronic money amount by cash payment (FIGS. 19 and 20) FIGS. 19 and 20 show that the mobile phone 10 is operated through the in-store terminal 42 by paying cash at the store.
The processing procedure for replenishing the electronic money amount is shown.

Electronic money amount 13 by this cash payment
No. 2 replenishment process (steps S700 to S75)
4) is the same process only by replacing the prepaid amount 131 with the electronic money amount 132 in the series of processing steps (steps S200 to S254) in the replenishment process of the prepaid amount 131 by cash payment shown in FIGS. 9 and 10. Since this is a procedure, duplicate description will be omitted.

The replenishment process of the electronic money amount 132 by the cash payment can be performed via the bank terminal 32 of the bank system 30 in the same manner as the above-mentioned store terminal 42. . In this case, the cash paid by the user goes directly to the bank (to the bank system side).
Since the money is deposited, the deposit processing of the supplement amount to the telephone station account 311 is performed by the deposit processing means 315 included in the bank server 31.

21 and 22. Electronic money amount replenishment processing by account transfer (FIGS. 21 and 22) FIGS. 21 and 22 are account transfer processing from the deposit of the user's bank account (user account 312) via the store terminal 42. Shows a processing procedure for replenishing the electronic money amount 132 of the mobile phone 10.

Electronic money amount 132 by this account transfer
Of the replenishing process (steps S800 to S86)
2) is the same process only by replacing the prepaid amount 131 with the electronic money amount 132 in the series of processing steps (steps S300 to S362) in the replenishment process of the prepaid amount 131 by the above-described account transfer shown in FIGS. 11 and 12. Since this is a procedure, duplicate description will be omitted.

The replenishment processing of the electronic money amount 132 by this account transfer is performed by the bank terminal 3 of the bank system 30.
2 can be performed in the same manner as the case of performing via the in-store terminal device 42 described above.

According to the mobile communication system configured as described above, the prepaid amount 131 paid in advance as the wireless communication cost of the mobile phone 10 is the telephone station system 20.
Since the mobile phone 10 stores the data not on the side, even if a large number of mobile phones 10 join the phone system 20, the burden on the phone system 20 side can be reduced.

In addition, a prepaid amount of 13 during a call
The reduction processing of 1 is performed by the telephone station terminal 22 on the telephone system 20 side, and the processing of increasing the prepaid amount 131 during the replenishment processing of the prepaid amount 131 is performed by the bank terminal 32 of the bank system 30 or the store network system 40. Configured to be carried out by the in-store terminal 42 of the mobile phone 10 and the mobile phone 10 alone operates with the prepaid amount of money 131.
Since it does not change, unauthorized use can be prevented.

Further, since the variable processing of the prepaid amount 131 is performed by the bank terminal 32 or the store terminal 42, the burden on the bank server 31 and the store server 41 of the store network system 40 is reduced, and the communication of these systems is performed. Traffic congestion can be reduced.

Further, the prepaid amount 131 of the normal information 13a in the readable state and the prepaid amount of the secret information 13b in the encrypted state are stored together in the mobile telephone 10, and the mobile telephone 10 alone is in the prepaid state in the secret state. Unable to decipher the amount 131. The mobile telephone 10 stores the telephone terminal 22 of the telephone system 20 during a call, the bank terminal 32 of the bank system 30 or the store terminal 42 of the store network system 40 during the replenishment process of the prepaid amount 131. The prepaid amount 131 in the readable state and the prepaid amount 131 in the confidential state are collated, and if the collation results do not match, the function of the mobile phone 10 is stopped and locked. Even if the prepaid amount 131 has been tampered with, it can be discovered and the unauthorized use of the mobile phone 10 can be prevented.

Further, the telephone station terminal 22 of the telephone station system 20 performs a reduction process of the prepaid amount 131 every time the communication cost of the wireless communication by the mobile phone 10 reaches a predetermined amount, so that some accident occurs during the wireless communication. Even if the communication state is interrupted due to such reasons, the communication cost until just before the occurrence of the accident can be reliably collected.

Also, during wireless communication, the prepaid balance confirmation means 18 of the mobile phone 10 confirms the remaining amount of the prepaid amount 131 and informs the user if the remaining amount of the prepaid amount 131 is less than the predetermined amount, so that the user will soon be in communication. You can know in advance that you will be disconnected, and the prepaid amount 131
Is prevented from being 0 and communication is suddenly disconnected.

Further, according to such a mobile communication system, the user (user) of the mobile phone 10 can carry the bank server (financial system server) 31 or the bank terminal 32 or the over-the-counter terminal 42 that can access the bank server (financial system server) 31. By connecting the telephone 10 to the connector to enable short-distance communication, the replenishment amount is paid in cash or the like to the manager of the terminals 32, 42, or via the terminals 32, 42, The prepaid amount 131 of the mobile phone 10 can be replenished from the user's account 312 in the bank system 30.

At this time, since the prepaid amount of money 131, which is electronic money, is transmitted and received through the wired short-distance communication means (wired communication means) through the connector connection, high communication safety can be secured.

Further, the prepaid amount 131 stored in the mobile phone 10 can be confirmed only when the authorized user (user) who knows the password has entered the authorized password in the mobile phone 10. Therefore, the high security of the prepaid amount 131 information stored in the mobile phone can be obtained.

Further, according to such a mobile communication system, the mobile telephone 10 carried for mobile communication is
Since it functions as a terminal of an electronic money system, it is possible to realize an electronic money service without increasing the number of items carried by the user.

The payment processing from the electronic money amount 132 stored in the mobile phone 10 and the variable processing according to the amount replenishment processing to the electronic money amount 132 are accessed to the bank server 31 of the bank system 30. Since the mobile phone 10 does not fluctuate the electronic money amount 132 by itself in the possible bank terminal 32 or in-store terminal 42, illegal use can be prevented.

The variable processing of the electronic money amount 132 in the mobile phone 10 is performed by the bank terminal 32 or the store terminal 4.
2 is performed, the burden on the bank server 31 of the bank system 30, the store server 41 of the store network system 40, and the like can be reduced, and the congestion of communication traffic of these systems can be reduced.

Further, the mobile phone 10 stores together the electronic money amount 132 of the normal information 13a in the readable state and the electronic money amount 32 of the secret information 13b in the encrypted state, and the mobile phone 10 is kept secret by itself. The electronic money amount 132 in the state cannot be decrypted. Then, at the time of the payment process and the amount replenishment process by the electronic money amount 132, the bank terminal device 32 of the bank system 30 or the store terminal device 42 of the store network system 40 causes the readable electronic money amount stored in the mobile phone 10. Thirteen
2 and the electronic money amount 132 in the secret state are collated, and if the collation result does not match, the function of the mobile phone 10 is stopped and locked, so that the readable electronic money amount 132 is falsified. Even if this happens, it is possible to detect this and prevent unauthorized use of the mobile phone 10.

Further, according to such a mobile communication system, the user (user) of the mobile phone 10 and the mobile terminal 10 which can access the bank server (financial system server) 31 and the mobile terminal 42 and the mobile terminal 40 are carried. By connecting the telephone 10 to the connector to enable short-distance communication, the replenishment amount is paid in cash or the like to the manager of the terminals 32, 42, or via the terminals 32, 42, The electronic money amount 132 of the mobile phone 10 can be replenished from the user's account 312 in the bank system 30.

At this time, since the electronic money amount 132 is transmitted and received through the wired short-distance communication means (wired communication means) by the connector connection, high communication safety can be secured.

The electronic money amount 132 stored in the mobile phone 10 can be confirmed only when the authorized user (user) who knows the password has entered the authorized password in the mobile phone 10. Therefore, it is possible to obtain high security of the electronic money amount information 132 stored in the mobile phone 10.

Although the present invention has been described above with reference to the embodiments, the mobile communication system according to the present invention is not limited to the above embodiments, and may be configured as follows.

(1) In the above embodiment, the case in which the telephone station account 311, the user account 312, the checking account 313 and the store account 314 are provided in the same bank server 31 has been described as an example, but the remittance is mutually performed. A plurality of bank servers (financial system servers) 31 ... Can be provided as long as processing and the like can be performed, and the above-mentioned respective accounts can be distributed and opened in these plurality of bank servers 31.

(2) In the above embodiment, only one store network system 40 is shown in FIG. 1. However, the mobile communication system according to the present invention, if it can communicate with each other, stores a plurality of stores. May be included.

[0180]

As described above, according to the mobile communication system according to the present invention, the prepaid amount paid in advance is stored in the mobile communication body, not in the base station side. Even if you subscribe, you can reduce the burden on the base station. In addition, the reduction processing from the prepaid amount at the time of a call is performed by the base station side, and the mobile communication body does not change the prepaid amount by itself, so that the illegal use can be prevented.

[0181]

[Brief description of drawings]

FIG. 1 is an overall schematic explanatory view showing an embodiment of a mobile communication system according to the present invention.

FIG. 2 is a block diagram showing a configuration of a mobile phone.

FIG. 3 is a block diagram showing a configuration of a telephone station system.

FIG. 4 is a block diagram showing a configuration of a bank system.

FIG. 5 is a block diagram showing a configuration of a store network system.

FIG. 6 is a block diagram showing a configuration of an encryption key management system.

FIG. 7 shows a mobile communication system according to the present invention.
It is a flow chart which shows the flow of usual telephone call processing.

FIG. 8 shows a mobile communication system according to the present invention,
It is a flow chart which shows the flow of usual telephone call processing.

FIG. 9 shows a mobile communication system according to the present invention,
It is a flow chart which shows a flow of replenishment processing of a prepaid amount by cash payment.

FIG. 10 is a flowchart showing a flow of a process of supplementing a prepaid amount by cash payment in the mobile communication system according to the present invention.

FIG. 11 is a flow chart showing a flow of a prepaid amount replenishment process by account transfer in the mobile communication system according to the present invention.

FIG. 12 is a flowchart showing a flow of a prepaid amount replenishment process by account transfer in the mobile communication system according to the present invention.

FIG. 13 is a flowchart showing a flow of a process of confirming a prepaid amount by a user in the mobile communication system according to the present invention.

FIG. 14 is a flowchart showing a flow of a process of releasing a function stopped (locked) state with respect to a mobile communication body in the mobile communication system according to the present invention.

FIG. 15 is a flowchart showing a flow of a process of releasing a function stopped (locked) state with respect to a mobile communication body in the mobile communication system according to the present invention.

FIG. 16 is a flowchart showing a flow of payment processing by electronic money in the mobile communication system according to the present invention.

FIG. 17 is a flowchart showing a flow of payment processing by electronic money in the mobile communication system according to the present invention.

FIG. 18 is a flowchart showing a flow of payment processing by electronic money in the mobile communication system according to the present invention.

FIG. 19 is a flowchart showing a flow of a process of supplementing the amount of electronic money by cash payment in the mobile communication system according to the present invention.

FIG. 20 is a flowchart showing the flow of a process of supplementing the amount of electronic money by cash payment in the mobile communication system according to the present invention.

FIG. 21 is a flowchart showing a flow of a process of replenishing the amount of electronic money by account transfer in the mobile communication system according to the present invention.

FIG. 22 is a flowchart showing a flow of a process of replenishing the amount of electronic money by account transfer in the mobile communication system according to the present invention.

[Explanation of symbols]

10 Mobile phone (mobile communication device) 11 Wireless communication means 12 Wired communication means (short-distance communication means) 13 storage means 131 Prepaid amount storage 132 electronic money amount storage unit 133 recitation number storage 134 Control information storage unit 13a Normal information storage area 13b secret information storage area 13c hexadecimal information storage area 15 Keyboard (input means) 16 monitor (informing means) 17 speaker (notification means) 20 Telephone station system (base station) 21 Central office server 22 Telephone station terminals (terminals) 222 Wireless communication means 223 Decoding means 224 Verification means 225 Reduction Processing Means 226 encryption means 24 communication lines 30 banking system 31 Bank server (financial system) 311 Telephone Office Account 312 User account 313 Current account 314 Store Account 315 deposit processing means 316 Remittance processing means 32 bank terminals (terminals) 322 Wired communication means (short-distance communication means) 323 Input means 324 Decoding means 325 Collating means 326 Variable amount processing means 327 encryption means 33 communication lines 40 Store Network System (Store) 41 store server 42 In-store terminals (terminals) 422 Wired communication means (short-distance communication means) 423 input means 424 Decoding means 425 Collating means 426 Variable processing means 427 encryption means 43 communication line 50 Cryptographic key management system 60 connector

─────────────────────────────────────────────────── ─── Continuation of front page (51) Int.Cl. ⁷ Identification code FI G07D 9/00 451 G07D 9/00 451C G07G 1/12 321 G07G 1/12 321L G09C 1/00 660 G09C 1/00 660C H04M 17 / 00 H04M 17/00 A H04Q 7/38 H04B 7/26 109J H04Q 7/04 H (72) Inventor Jushi Suzuki 77-1 Koshigaya, Ageo City, Saitama Prefecture 2-3-6-306 (72) Nishiageo 2nd housing complex Inventor Junko Suganaka Toranomon Garden 408 (56) 3-10-4 Toranomon, Minato-ku, Tokyo (56) Reference JP-A-5-14551 (JP, A) JP-A-9-312708 (JP, A) JP-A-6 -176251 (JP, A) JP-A-5-324968 (JP, A) JP-A-9-212565 (JP, A) JP-A-10-40323 (JP, A) (58) Fields investigated (Int.Cl . ^7, DB ) G06F 17/00 G06F 17/60 - 19/00 H04B 7/24 - 7/26 H04M 15/00 - 17/02 H04Q 7/00 - 7/38

Claims (12)

(57) [Claims] 1. Via a base stationNothingMobile communication for line communication
In the bodyTherePrevious Pay in advance with wireless communication means for wireless communication with the base station.
Prepaid amount memorizer that remembers the prepaid amount
Has steps, When starting wireless communication via the base station,
The prepaid amount stored in the repaid amount storage means
By transmitting to the base station by wireless communication means,Nothing During line communication, a new prepaid amount is
By meansReceived from the base stationShi,Said new received
The prepaid amount is stored in the prepaid amount storage means.
NoteRememberMobile communication characterized by being configured to
body. 2. Via a base stationNothingMobile communication for line communication
In the bodyTherePrevious Pay in advance with wireless communication means for wireless communication with the base station.
Prepaid amount memorizer that remembers the prepaid amount
Has steps, When starting wireless communication via the base station,
The prepaid amount stored in the repaid amount storage means
By transmitting to the base station by wireless communication means,Nothing During line communication, a new prepaid amount is
By meansReceived from the base stationShi,Said new received
The prepaid amount is stored in the prepaid amount storage means.
Remember When the new prepaid amount becomes 0,PreviousRecord
Be configured to prohibit wireless communication with the base station.
Mobile communications characterized bybody. If wherein prior Symbol the prepaid amount stored in the prepaid amount storage unit becomes equal to or less than a predetermined amount, according to claim 1 or characterized by comprising a notification means for notifying the fact to the user The mobile communication body according to 2. 4.endShort-range communication hand performing short-range communication with the end device
Have steps, When replenishing a predetermined replenishment amount to the prepaid amount
In,PreviousMove in a state where short-range communication with the terminal is possible.
Make sure that the replenishment amount is entered in the communication device or the terminal.
And according to,PreviousStored in the prepaid amount storage means
The prepaid amount is transferred to the terminal by the short-range communication means.
Send to the machine,IncreasedNew prepaid amount is short
By distance communication meansReceived from the terminalShi, ReceivingBelieved
The new prepaid amount is stored in the prepaid amount memory
4. A storage device according to any one of claims 1 to 3, wherein the storage device is configured to store data by a step.
Mobile communication described in somewherebody. 5. The prepaid amount is an encrypted prepaid amount.
Paid amount and non-encrypted readable prepaid
The amount according to any one of claims 1 to 4, which is an amount of money
The described mobile communication body. And recitation number storage means 6. stores Jo Tokoro recitation number, and display means for displaying the prepaid amount stored in the prepaid amount storage means, stored before Symbol recite number storage means only if the number matches a predetermined recitation number is entered, according to any one of claims 1 to 5 which is configured to display by said display means the prepaid amount stored in the prepaid amount storage means Mobile communications . 7. A short-range communication means for performing mobile communications body and a short-range communications, and a variable life processing means for increase or decrease processing prepaid amount of the mobile cellular unit, the financial system Sa
A terminal capable of accessing machine over server, before SL when replenishing processing a predetermined refill amount to the prepaid amount, the mobile cellular unit and the short-range communicable state, the mobile cellular unit or the terminal wherein in response to the replenishment amount is entered, the flop Ripeido amount received from the mobile communication member by the short-range communication means, over the previous SL the replenishing amount of the mobile cellular unit to financial system server
Sends said processing request payment provider account to provide a wireless communication service, obtains a new prepaid amount to increase the replenishment amount to the prepaid amount has been received by the Variable processing means Te , terminal, characterized in that configured so that to send to the mobile communication member by more the new prepaid amount of the short-range communication means
Machine . 8.DarkDecrypt the prepaid amount in the encrypted state
Decryption method and prepaid amount decryptedAnd yesReading status
A verification method that matches the paid amount and a readable
Has an encryption means for encrypting the amount of the pay,Previous When replenishing a predetermined replenishment amount to the prepaid amount
In the mobile communication bodyFrom, Readable and encrypted status
The prepaid amount of theReceive
Shi, ReceivingThe amount of the prepaid amount in the encrypted state that the
The prepaid amount decrypted by the reader
And the readable prepaid amount by the collating means.
If the results of the collation do not match, the
While prohibiting replenishment processing of prepaid amount,
If the results match, replenish the prepaid amount
Continue to encrypt the requested new prepaid amount
New prepaid encrypted by means of the above
Amount of money and a new pre-encrypted unreadable
Id amount of money by the mobile communication unit by the short-range communication means.
Sent toBelieveClaims configured to7DescribedTerminal. 9.TransferMoving bodyButWireless communicationBase for
StationAnd, Wireless communication means for performing wireless communication with the mobile communication body;
Communication costs for wireless communication by mobile communicationTheRepay
Deduction processing means for processing deduction from the amount of money, The mobile communication bodyNothingWhen starting line communication,
Communication bodyFrom the aboveRepayment amount to the wireless communication means
ThereforeReceiveThenNothing During line communication, ReceivingFor the said amount of prepaid
The communication cost for the wireless communication is calculated by the reduction processing means.
The new prepaid amount to reduce the
The repaid amount is transferred to the mobile communication by the wireless communication means.
Sent to the bodyBelieveCharacterized by being configured asbase
Station. 10.TransferMoving bodyButWireless communicationBasis for
Ground stationAnd, Wireless communication means for performing wireless communication with the mobile communication body;
Communication costs for wireless communication by mobile communicationTheRepay
Deduction processing means for processing deduction from the amount of money, The mobile communication bodyNothingWhen starting line communication,
Communication bodyFromThe paid amount is paid by the wireless communication means.
handReceiveThenNothing During line communication, ReceivingFor the said amount of prepaid
The communication cost for the wireless communication is calculated by the reduction processing means.
The new prepaid amount to reduce the
The repaid amount is transferred to the mobile communication by the wireless communication means.
Sent to the body, When the new prepaid amount becomes 0,PreviousRecord
Mobile communicationWithConfigured to prohibit wireless communication between
Characterized bybase station. To 11. The mobile communication of communicating non-linear,
The base station according to claim 9 or 10 , wherein the prepaid amount is reduced by the reduction processing unit each time the wireless communication cost reaches a predetermined unit amount. 12. A decoding means for decoding the prepaid amount of the encryption state, and collating means for collating the prepaid amount of decoded prepaid amount and availability reading state, encryption to encrypt prepaid amount readable state and means, wherein when the mobile cellular unit to initiate a non-line communication, from said mobile cellular unit receives prepaid amount readable state and encrypted state by said wireless communication means, received by said encrypted The prepaid amount in the encrypted state is decrypted by the decryption unit, the decrypted prepaid amount and the prepaid amount in the readable state are collated by the collating unit, and when the collation result does not match, the mobile communication unit is used. of while prohibiting wireless communication, if the comparison result matches continues the radio communication with the mobile cellular unit, during radio communications, determined meth the new pre Ido amount encrypting by said encryption means is configured a new prepaid amount readable state that no new prepaid amount and encrypted and the encrypted so that to send to the mobile communication member by said wireless communication means The base station according to any one of claims 9 to 11 .