TWI453377B - Method and navigation device for data communication through audio signal transmission - Google Patents

Description

Method and navigation device for data connection by audio transmission

The invention relates to data transmission of a navigation device, in particular to a method for data connection by means of audio transmission, and a navigation device using the method.

The Global Positioning System (GPS) has been widely used in various navigation needs. A variety of portable navigation devices or car navigation devices are readily available on the consumer market.

The main operation interface of the navigation device is a touch display panel, which is assisted by a physical button. In many cases, direct manipulation of the touch panel or physical buttons may cause inconvenience to the user; therefore, it is necessary to operate the navigation device with other devices through indirect means. A common practice is to provide a proprietary control device from the manufacturer that is connected to the navigation device and provides specific physical buttons that correspond to different operational commands. Through the operation interface on the control device, the control command can be transmitted to the navigation device without directly contacting the navigation device. In addition, through some external devices, such as the TMC antenna (TMC/Traffic Message Channel), the navigation device can also obtain additional data and optimize the route planning of the navigation.

However, the aforementioned control device or external device, whether wired or wirelessly connected to the navigation device, often adopts a proprietary communication protocol of each manufacturer, and cooperates with the exclusive hardware connection interface of each manufacturer. Although Bluetooth, USB and other interfaces have relatively open communication protocols, they are in some navigation due to the additional hardware cost. The device may be omitted by the manufacturer. If no manufacturer provides a solution, users of navigation devices often cannot add control devices or external devices by themselves, resulting in limited functionality of their navigation devices.

In view of the above problems, the present invention proposes a method of data connection by means of audio transmission, thereby solving the problem of data transmission to a navigation device.

The invention provides a method for data connection by means of audio transmission, which is used for a mobile communication device to communicate with a navigation device by means of audio transmission. The mobile communication device includes a control end audio connector, and the navigation device includes a navigation terminal audio connector.

According to the method, the navigation device is first activated to perform a navigation operation; the control terminal audio connector and the navigation terminal audio connector are connected; the mobile communication device generates a control terminal digital data; and the mobile communication device converts the control terminal The digital data is a control terminal audio signal; the control terminal audio connector and the navigation terminal audio connector transmit the control terminal audio signal to the navigation device; and the navigation device converts the control terminal audio signal to the control terminal digital data; And the navigation device adjusts the navigation operation according to the digital data of the control end.

The present invention further provides a navigation device for data connection by means of audio transmission, connecting a mobile communication device by means of audio transmission to receive a control terminal digital data and output a navigation terminal digital data. The mobile communication device includes at least one control terminal audio connector. The navigation device comprises a navigation module, a navigation control module, a navigation audio decoding module, a navigation terminal audio connector and a navigation End message output unit.

The positioning navigation module is used to provide global positioning and navigation functions and generate a positioning navigation information. The navigation terminal control module is electrically connected to the positioning navigation module, and is configured to control the positioning navigation module, and control the positioning navigation module according to the digital data of the control end to enable the positioning navigation module to generate the positioning navigation information. And the navigation terminal control module converts the positioning navigation information into the navigation end digital data. The navigation end audio decoding module is electrically connected to the navigation terminal control module, and is configured to convert a control end audio signal into the control end digital data, and convert the navigation end digital data into a navigation end audio signal. The navigation terminal audio connector is configured to connect the control terminal audio connector, output the navigation terminal audio signal, and receive the control terminal audio signal. The navigation terminal information output unit is configured to output the positioning navigation information.

Audio connectors are almost standard external interfaces for various navigation devices and mobile communication devices. The present invention allows the mobile communication device and the navigation device to transmit data to each other without changing the hardware structure of the mobile communication device and the navigation device, and can easily combine the mobile communication devices provided by different manufacturers and The navigation device solves the problem of incompatible transmission protocols.

Please refer to FIG. 1 , FIG. 2 and FIG. 3 , which illustrate a method for data connection by audio transmission method for use in a mobile communication device 100 according to an embodiment of the present invention. The audio transmission mode establishes a communication link with a navigation device 200 to transmit data to the navigation device 200. The mobile communication device 100 includes a control end audio connector 140, and the navigation device 200 includes a guide The aeronautical audio connector 240. The aforementioned audio connectors 140, 240 are typically standard external interfaces for various electronic devices.

As shown in FIG. 3, the mobile communication device 100 according to the embodiment of the present invention may be a smart phone or a non-smart mobile phone that performs additional code functions (for example, a non-intelligent type that can execute Java code). Mobile phone).

As shown in FIG. 1 , the method for performing data connection by means of audio transmission is to first activate the navigation device 200 to cause the navigation device 200 to perform a navigation operation and connect the control terminal audio connector 140 to the navigation terminal audio connector 240. The navigation device 200 and the mobile communication device 100 are communicatively coupled by means of audio transmission, as shown by Step 110 and Step 120.

The mobile communication device 100 is operated by the user to cause the mobile communication device 100 to receive an operation command E. The mobile communication device 100 generates a control terminal digital data D1 according to the operation command E, as shown in step 130. Next, the mobile communication device 100 converts the control terminal digital data D1 to the control terminal audio signal TS1 (Tone Signal), as shown in Step 140.

Then, through the console audio connector 140 and the navigation terminal audio connector 240, the mobile communication device 100 transmits the console audio signal TS1 to the navigation device 200, as shown by Step 150.

After receiving the control terminal audio signal TS1, the navigation device 200 converts the control terminal audio signal TS1 to the control terminal digital data D1, as shown in Step 160.

Finally, the navigation device 200 receives the control end digital data D1, performs a predetermined operation according to the control end digital data D1, and causes the navigation device 200 to be based on the control end. Digital data D1, adjust the navigation job, as shown in Step 170.

As shown in FIG. 2, during the operation of the navigation device 200, the navigation device 200 can also return a feedback message to the mobile communication device 100 for subsequent processing by the mobile communication device 100, for example, performing a specific job according to the feedback message. Or simply output a feedback message.

As shown in FIG. 3, the navigation device 200 returns the feedback message to the mobile communication device 100. The control terminal audio connector 140 needs to be connected to the navigation terminal audio connector 240 to connect the navigation device 200 to the mobile communication device 100. The communication link is made by audio transmission, as shown in Step 210.

During the operation of the navigation device 200, the navigation terminal control module 220 generates a feedback message according to a specific event, and encodes the feedback message into the navigation end digital data D2, as shown in Step 220.

The navigation device 200 converts the navigation end digital data D2 to a navigation end audio signal TS2, as shown in step 230. Then, through the console audio connector 140 and the navigation terminal audio connector 240, the navigation device 200 transmits the navigation terminal audio signal TS2 to the mobile communication device 100, as shown by Step 240.

After receiving the navigation terminal audio signal TS2, the mobile communication device 100 converts the navigation terminal audio signal TS2 into the navigation terminal digital data D2, as shown in Step 250.

Finally, the mobile communication device 100 outputs a feedback message according to the navigation digital data D2, as shown in Step 260. The manner in which the mobile communication device 100 outputs the feedback message includes a display graphic, a display text, a speaker that emits a sound effect, or Issue the indicator number.

As shown in FIG. 3, the mobile communication device 100 includes at least one data generating module 110, a control terminal control module 120, a control terminal audio decoding module 130, and a control terminal audio connector 140.

The data generating module 110 is configured to generate the control end digital data D1. The control end digital data D1 may be a control command for controlling the navigation device 200 to perform a specific work, such as an alert operation; the control end digital data D1 may also be general information for driving the navigation device 200 to output a specific current event.

The control terminal control module 120 is electrically connected to the data generation module 110 for controlling the data generation module 110. The control end control module 120 is configured to generate the control end digital data D1 and receive the navigation end digital data D2 to perform a predetermined work.

The control end audio decoding module 130 is electrically connected to the control end control module 120 for converting the control end digital data D1 to the control end audio signal TS1 and converting a navigation end audio signal TS2 to the navigation end digital data D2.

The control terminal audio connector 140 includes at least a control terminal output terminal 141 and a control terminal receiving terminal 142. The control end output terminal 141 and the control end receiving terminal 142 are electrically connected to the control end audio decoding module 130, respectively. The control terminal output terminal 141 is configured to output the control terminal audio signal TS1, and the control terminal receiving terminal 142 is configured to receive the navigation terminal audio signal TS2.

As shown in FIG. 3, the mobile communication device 100 further includes an operation interface 150, a mobile communication module 160, and a control terminal message output unit 170.

The operation interface 150 is electrically connected to the control terminal control module 120. Operation interface 150 is used for a user to operate, and an operation command E is generated. The operation command E is transmitted to the data generation module 110 through the control terminal control module 120 to trigger the data generation module 110 to generate the control end digital data D1.

The mobile communication module 160 is used to connect to the mobile communication network to provide a voice call function and a mobile data packet transmission function. Through the mobile data packet transmission function, the mobile communication module 160 can obtain a current event from a remote host.

The control end message output unit 170 is electrically connected to the control end control module 120. The control terminal message output unit 170 is a display panel, a speaker, or an indicator light for outputting a prompt message.

As shown in FIG. 3, the navigation device 200 includes at least one positioning navigation module 210, a navigation terminal control module 220, a navigation audio decoding module 230, a navigation terminal audio connector 240, and a navigation terminal. Output unit 250.

The positioning and navigation module 210 is configured to provide a global positioning and navigation function, and generate a positioning navigation information, so that the navigation device 200 performs positioning, performs path planning according to the positioning, and guides the traveling direction according to the path planning. The specific embodiment of the positioning navigation module 210 is a positioning antenna, a positioning chip, and a navigation software. The navigation end message output unit 250 is configured to output positioning navigation information. The navigation side message output unit 250 includes a display panel, a speaker or an indicator light.

The navigation terminal control module 220 is electrically connected to the positioning navigation module 210 for controlling the positioning navigation module 210. The navigation terminal control module 220 controls the positioning navigation module 210 according to the control end digital data D1, so that the positioning navigation module 210 generates positioning navigation information, and the navigation terminal control module 220 converts the positioning navigation information into navigation. End digit data D2.

The navigation end audio decoding module 230 is electrically connected to the navigation terminal control module 220 for converting the control end audio signal TS1 to the control end digital data D1. The navigation end audio decoding module 230 converts the navigation end digital data D2 to the navigation end audio signal TS2. The navigation terminal control module 220 sends the navigation end digital data D2 through the navigation end audio decoding module 230, and the navigation end audio decoding module 230 receives the control end digital data D1.

The navigation terminal audio connector 240 is configured to connect to the control terminal audio connector 140, and the navigation terminal audio connector 240 includes at least a navigation terminal output terminal 241 and a navigation terminal receiving terminal 242. The navigation terminal output terminal 241 and the navigation terminal receiving terminal 242 are electrically connected to the navigation terminal audio decoding module 230, respectively. The navigation terminal output terminal 241 is configured to connect the control terminal receiving terminal 142 to output the navigation terminal audio signal TS2; the navigation terminal receiving terminal 242 is configured to connect the control terminal output terminal 141 to receive the control terminal audio signal TS1.

The embodiments of the present invention will be further described below in terms of several usage scenarios.

"Application example (1)"

Referring to FIG. 4, FIG. 5 and FIG. 6 , in the mobile communication device 100 of the application example (1), the control terminal control module 120 executes an operation software to form a data generation module. The functional module of group 110.

The specific implementation of the control terminal message output unit 170 is a control terminal display panel 170a, and a feedback message is outputted by displaying graphics or displaying text. However, the specific implementation manner of the control terminal message output unit 170 does not exclude Speakers for sound effects, indicators for emitting indicator lights, etc.

In the navigation device 200 of the application example (1), the specific implementation of the navigation terminal message output unit is a navigation terminal display panel 250a, and outputs a feedback message in the manner of displaying graphics or displaying text, but the navigation terminal message output unit The specific implementation of the 250 does not exclude the speaker that emits the prompt sound, the indicator light that emits the indicator light, and the like.

Referring to FIG. 5, in the application example (1), the mobile communication device 100 is used as an input interface for searching for keywords. The user inputs a navigation keyword through the operation interface 150 as the operation command E and the control end digital data D1. The keywords of the navigation keywords are, for example, "navigate to Taipei 101", "navigate to an address", and the like. The data generation module 110 generates the control end digital data D1 according to the navigation keyword, so that the control end digital data D1 includes at least the navigation keyword, as shown in Step 130a.

Next, the data generation module 110 performs a de-encoding operation, and finally outputs the console audio signal TS1 corresponding to the navigation keyword to the navigation device 200, as shown by Step 140a and Step 150a.

After receiving the control end audio signal TS1 corresponding to the navigation keyword, the navigation side audio decoding module 230 of the navigation device 200 converts the control end audio signal TS1 into the control end digital data D1 to obtain a navigation key, such as Step 160a. Show.

Finally, the navigation and positioning module 210 of the navigation device 200 searches for the navigation destination according to the navigation keyword, performs positioning, and performs path planning according to the positioning. The path plan guides the direction of travel and outputs positioning navigation information through the navigation display panel 250a, as shown in Step 170a.

Referring to FIG. 6 , if the navigation keyword triggers the navigation device 200 to start searching for the navigation destination and cannot find the navigation destination, the navigation terminal control module 220 of the navigation device 200 generates a search failure event as a feedback message. For example, a text message "Unable to find keyword" is generated, and the navigation terminal control module 220 encodes the event of the search failure into the navigation side digital data D2, as shown in Step 220a.

Next, the navigation side digital data D2 is converted into the navigation side audio signal TS2 and transmitted to the mobile communication device 100, as shown by Step 230a and Step 240a. After receiving the navigation terminal audio signal TS2, the mobile communication device 100 converts the navigation terminal audio signal TS2 into the navigation terminal digital data D2, as shown in Step 250a.

Finally, the mobile communication device 100 outputs a search failure event according to the navigation terminal digital data D2, for example, displaying a text message of "cannot find the keyword" to prompt the user to re-enter the navigation keyword, such as Step 260a. Shown.

"Application example (2)"

Referring to FIG. 7 and FIG. 8, in the application example (2), the data generation module 110 of the mobile communication device 100 is a transmission interface 110a. The transmission interface 110a can be a wired interface or a wireless interface for connecting the On-Board Diagnostics (OBD) to obtain the state of the vehicle. Diagnostic information, such as fuel quantity or tire pressure data from TPMS (Tire-Pressure Monitoring System).

The user sends an operation command E through the operation interface 150, and the trigger transmission interface 110a communicates with the onboard automatic diagnosis system 300 to obtain measurement data, such as fuel quantity measurement data. The control end control module 120 generates the control end digital data D1 according to the vehicle status diagnostic information, so that the control end digital data D1 includes at least the vehicle status diagnostic information, as shown in Step 130b. Next, the data generation module 110 performs a de-encoding operation, and finally outputs a control-end audio signal TS1 corresponding to the diagnostic information of the vehicle state to the navigation device 200, as shown by Step 140b and Step 150b.

After receiving the control terminal audio signal TS1, the navigation terminal audio decoding module 230 of the navigation device 200 converts the control terminal audio signal TS1 into the control terminal digital data D1 to obtain vehicle state diagnosis information, as shown in Step 160b.

Finally, the navigation device 200 outputs vehicle state diagnostic information through the navigation display panel and generates a navigation destination based on the vehicle state diagnostic information, as shown in Step 170b.

When the vehicle status diagnosis information is the fuel quantity, if the fuel quantity shortage event occurs, the onboard automatic diagnosis system 300 will simultaneously issue a fuel shortage warning message to be added to the vehicle status diagnosis information. After receiving the vehicle state diagnosis information, the control terminal control module 120 adds the search keyword that can be used to search for the gas station to the control terminal digital data D1 and transmits it to the navigation device 200. At this time, the navigation device 200 can list a gas station location list and each gas station according to the current location. The oil price is transmitted back to the mobile communication device 100 by the navigation end digital data D2.

Similarly, the mobile communication device 100 can automatically compare the oil price, or manually select by the user, select a target gas station as a navigation destination, and add the target gas station selection to the control end digital data D1 for transmission to the navigation device 200. And causing the navigation device 200 to perform a navigation job of navigating to the target gas station.

"Application example (3)"

In the application example (3), the data generation module 110 is a part of the mobile communication module 160 (ie, the mobile communication module 110c), which is used to obtain a connection through the remote host. The current event is used as the control end digital data D1. The control end digital data D1 is mainly determined by the remote host to determine the current navigation state of the navigation device 200, and the corresponding current event is obtained.

In the application example (3), the navigation device 200 continues to navigate, and encodes the current navigation state such as the current position, the traveling direction, and the traveling speed into the navigation end digital data D2, and transmits the data to the mobile communication device 100. The mobile communication device 100 is configured to connect to the mobile communication network through the mobile communication module 110c, and transmit the current navigation state to the remote host for the remote host to return the current event corresponding to the current navigation state.

The current event includes an instant communication message corresponding to the direction of travel, a check corresponding to the direction of travel, a tachometer warning corresponding to the direction of travel, and a Traffic Message Channel (TMC) corresponding to the current location, corresponding to The currently located meteorological data, the shopping message corresponding to the current location, and the like.

After the mobile communication device 100 obtains the current event, the current event is converted into the control terminal digital data D1 and transmitted to the navigation device 200. After the navigation device 200 receives the current event, the navigation terminal message output unit 250 outputs the current event.

The invention can generate a function module for audio de-encoding by rewriting the code. The present invention allows the mobile communication device 100 and the navigation device 200 to transfer data to each other without changing the hardware structure of the mobile communication device 100 and the navigation device 200, and can be easily combined with different manufacturers. The mobile communication device 100 and the navigation device 200 solve the problem of incompatible transmission protocols.

100‧‧‧Mobile communication device

110‧‧‧ Data Generation Module

110a‧‧‧Transport interface

110c‧‧‧Mobile Communication Module

120‧‧‧Control terminal control module

130‧‧‧Controlled audio decoding module

140‧‧‧Control terminal audio connector

141‧‧‧Control terminal output terminal

142‧‧‧Control terminal receiving terminal

150‧‧‧Operator interface

160‧‧‧Mobile communication module

170‧‧‧Control terminal message output unit

170a‧‧‧Control terminal display panel

200‧‧‧ navigation device

210‧‧‧ Positioning Navigation Module

220‧‧‧Navigation Control Module

230‧‧‧Navigation audio decoding module

240‧‧‧Navigation audio connector

241‧‧‧Navigation output terminal

242‧‧‧Navigation terminal receiving terminal

250‧‧‧Navigation message output unit

250a‧‧‧Navigation display panel

300‧‧‧Automatic Vehicle Diagnostic System

E‧‧‧Operational order

D1‧‧‧Control side digital data

D2‧‧‧Naval digital data

TS1‧‧‧ control terminal audio signal

TS2‧‧‧Navigation audio signal

FIG. 1 is a flowchart (1) of a method according to an embodiment of the present invention.

FIG. 2 is a flowchart (2) of a method according to an embodiment of the present invention.

Figure 3 is a block diagram of a circuit of an embodiment of the present invention.

Fig. 4 is a circuit block diagram of an application example (1) of the present invention.

Figure 5 is a flow chart (1) of the method of the application example (1) of the present invention.

Figure 6 is a flow chart (2) of the method of the application example (1) of the present invention.

Figure 7 is a circuit block diagram of an application example (2) of the present invention.

Figure 8 is a flow chart of the method of the application example (2) of the present invention.

Figure 9 is a circuit block diagram of an application example (3) of the present invention.

Claims (18)

A method for data connection by using an audio transmission method for a mobile communication device to communicate with a navigation device by means of audio transmission, wherein the mobile communication device comprises a control terminal audio connector, and the navigation device comprises a navigation terminal An audio connector, the method comprising: starting the navigation device, performing a navigation operation; connecting the control terminal audio connector and the navigation terminal audio connector; generating a control terminal digital data by the mobile communication device; and converting the control by the mobile communication device The terminal digital data is a control terminal audio signal; the control terminal audio signal is transmitted to the navigation device through the control terminal audio connector and the navigation terminal audio connector; and the navigation device converts the control terminal audio signal to the control terminal digital data And the navigation device adjusts the navigation operation according to the digital data of the control terminal. The method for performing data connection by using an audio transmission method according to claim 1, further comprising the steps of: receiving an operation command, and generating the control terminal digital data according to the operation command. The method for performing data connection by using an audio transmission method according to claim 1, further comprising: generating a feedback message by using the navigation device, and encoding the feedback message into one Navigating the digital data; converting the navigation digital data to a navigation audio signal; transmitting the navigation audio signal to the mobile communication device through the control audio connector and the navigation audio connector; and converting the mobile communication device The navigation end audio signal is the navigation end digital data; and the mobile communication device outputs the feedback message according to the navigation terminal digital data. The method of claim 3, wherein the mobile communication device outputs the feedback message by displaying a graphic, displaying a text, a speaker emitting a sound effect, or issuing an indicator light. The method of claim 3, wherein the mobile communication device generates the control digit data according to a navigation keyword; and the navigation device searches for a navigation destination according to the navigation keyword. The positioning is performed, the path planning is performed according to the positioning, the traveling direction is guided according to the path planning, and a positioning navigation information is output. The method of claim 5, wherein the navigation device fails to find a navigation destination according to the navigation keyword, and the navigation device generates an event of a search failure as the feedback message. The method of claim 1, wherein the digital data of the control terminal includes at least one vehicle status diagnostic information. The method of claim 7, wherein the navigation device generates the navigation destination according to the vehicle status diagnostic information. The method of claim 1, wherein the control terminal digital data is a current event obtained from a remote host, and corresponds to a current navigation state of the navigation device, where the current navigation state includes a current Position, direction of travel and speed of travel. The method of claim 9, wherein the current event includes an instant communication message corresponding to the direction of travel, a check corresponding to the direction of travel, a speedometer warning corresponding to the direction of travel, and a corresponding The current location of the traffic broadcast information, the weather data corresponding to the current location, or the shopping message corresponding to the current location. A navigation device for data connection by means of audio transmission, connecting a mobile communication device by means of audio transmission to receive a control terminal digital data and outputting a navigation terminal digital data, wherein the mobile communication device comprises at least a control terminal audio connector. The navigation device comprises: a positioning navigation module for providing global positioning and navigation functions, and generating a positioning navigation information; a navigation terminal control module electrically connected to the positioning navigation module for controlling the positioning navigation module And controlling the positioning navigation module according to the digital data of the control end to enable the positioning navigation module to generate the positioning navigation information, and the navigation terminal control module converts the positioning navigation information into the navigation end digital data; An audio decoding module electrically connected to the navigation terminal control module The group is configured to convert a control end audio signal to the control end digital data, and convert the navigation end digital data to a navigation end audio signal; a navigation end audio connector for connecting the control end audio connector, and outputting the navigation end An audio signal, and receiving the control terminal audio signal; and a navigation terminal message output unit for outputting the positioning navigation information. The navigation device of claim 11, wherein the navigation terminal audio connector includes at least one navigation terminal output terminal, and is electrically connected to the navigation terminal audio decoding module for outputting the The navigation terminal audio signal; and a navigation terminal receiving terminal, electrically connected to the navigation terminal audio decoding module for receiving the control terminal audio signal. The navigation device for performing data connection by using an audio transmission method according to claim 11, wherein the navigation terminal message output unit is a display panel, a speaker, or an indicator light. The navigation device of claim 11, wherein the control terminal digital data includes a navigation keyword, and the positioning navigation module searches for a navigation destination according to the navigation keyword, and performs positioning, According to the positioning, the path planning is performed, and the traveling direction is guided according to the path planning. The navigation device of claim 11, wherein the digital data of the control terminal includes at least one vehicle status diagnostic information. The navigation device as claimed in claim 15, wherein the navigation device generates the navigation purpose according to the vehicle state diagnosis information. Ground. The navigation device as described in claim 11, wherein the control terminal digital data is a current event obtained by the mobile communication device from a remote host, corresponding to a current navigation state of the navigation device, The current navigation state includes the current position, the direction of travel, and the speed of travel. The navigation device as claimed in claim 17, wherein the current event includes an instant communication message corresponding to the direction of travel, a check corresponding to the direction of travel, a tachometer warning corresponding to the direction of travel, and a corresponding The current location of the traffic broadcast information, the weather data corresponding to the current location, or the shopping message corresponding to the current location.