KR20050007006A - System for Reproducing Digital Contents with RF Identification System - Google Patents

Abstract

The present invention relates to a digital content reproduction system equipped with a radio frequency identification (RFID) processing system, the digital content reproduction system for reproducing digital content, wherein the digital content including radio identification information is reproduced. A digital content reproducing unit for extracting wireless identification information included in digital content, a wireless identification information processing unit for processing wireless identification information extracted from the digital content reproducing unit into wireless identification tag information having a wireless identification tag structure, and the wireless unit And a wireless identification tag processing unit for wirelessly transmitting the wireless identification tag information processed by the identification information processing unit by using a predetermined power source.

Description

System for Reproducing Digital Contents with RF Identification System}

The present invention provides a digital content reproduction system for reproducing digital content, comprising: a digital content reproduction unit for reproducing digital content including wireless identification information and extracting wireless identification information included in the digital content; A wireless identification information processing unit for processing wireless identification information extracted from the digital content into wireless identification tag information having a wireless identification tag structure, and wirelessly transmitting the wireless identification tag information processed by the wireless identification information processing unit by using a predetermined power source. A digital content reproduction system equipped with a radio frequency identification (RFID) processing system having a radio identification tag processing unit.

Wireless identification includes information on the entire process of production, distribution, storage, and consumption in a tag attached to a product, and allows wireless identification readers to read the information through an antenna and to connect with satellites or mobile networks. It is a technology that can be used in combination with information systems.

1 is a simple diagram of a general wireless identification system.

Referring to FIG. 1, a wireless identification system includes a wireless identification tag called a transponder (general term for a wireless transceiver that automatically returns a specific signal in response to an external signal), and wirelessly communicates with the wireless identification tag. An antenna and a wireless identification reader for reading information obtained from the wireless identification tag, wherein the wireless identification reader is at least one information processing system (eg, a server having a database) according to an application method of the wireless identification system. It is possible to work with).

The wireless identification tag of the wireless identification system is generally composed of a single chipset (for example, an integrated circuit). The active tag, the passive tag, and the low frequency tag and the frequency band used by the wireless processor are used depending on whether there is a power supply. It is divided into a high frequency tag.

The general configuration of the wireless identification tag includes a control unit for providing arithmetic and data input / output functions, a memory unit for storing wireless identification information, a wireless processing unit for wireless communication with an antenna, and an active tag for a power supply unit. Is provided.

The control unit of the radio identification tag provides a control function to input and output radio identification information stored in the memory unit according to an external signal provided from the radio processing unit, and to communicate the radio identification information inputted and outputted to the radio processing unit.

The memory unit of the wireless identification tag is a memory that stores wireless identification information to be provided to the wireless read identifier according to an external signal received through the wireless processing unit, and includes letters, numbers, symbols, and / or binary data according to an application field of the wireless identification tag. It is possible to be stored. Currently, the capacity of the commercialized memory section varies from 25 Bit to 512 KBytes.

The wireless processing unit of the wireless identification tag receives a signal transmitted from the wireless identification reader through an antenna and provides the signal to the control unit, and the control unit provides a function of transmitting the wireless identification information extracted from the memory unit to the wireless identification reader. The frequency range used by the wireless processor of the commercially available radio identification tag is variously varied to 135 KHz, 13.56 MHz, 433 MHz, 860-930 MHz, 2.45 GHz, and 5.8 GHz.

An antenna of a wireless identification system communicates wirelessly with a wireless processor of the wireless identification tag, which depends on the characteristics of the frequency domain used by the wireless processor of the wireless identification tag. For example, if the radio processor of the radio identification tag uses 135 KHz, the antenna must support the 135 KHz frequency range used by the radio processor.

The wireless identification reader of the wireless identification system is composed of at least one RF module (Radio Frequency Module) for processing radio identification information transmitted and received via the antenna and the radio identification tag, and optionally processing a series of information about the radio identification information It is possible to be provided with a program for providing a function.

If the wireless identification reader consists of only a simple RF module, the wireless identification reader is associated with an information processing system for providing information processing for the wireless identification information in conjunction with at least one wired and / or wireless network.

Such a wireless identification system has a feature of providing a function of an automated tag for a product and / or a product of a type capable of being equipped with a wireless identification tag by being composed of a single small chip set.

However, the existing wireless identification system as described above does not function as a tangible commodity and / or a product, but functions as a tag for an intangible commodity such as digital content including text content, image content, sound content, and / or multimedia content. There is a problem that does not provide.

An object of the present invention for resolving the above problems is a digital content playback unit for reproducing digital content including wireless identification information, extracting the wireless identification information included in the digital content, and the digital content playback unit is A wireless identification information processing unit for processing wireless identification information extracted from content into wireless identification tag information having a wireless identification tag structure, and a wireless identification for wirelessly transmitting the wireless identification tag information processed by the wireless identification information processing unit by using a predetermined power source. A radio frequency identification (RFID) processing system having a tag processing unit is provided to an existing digital reproduction system.

1 is a simplified diagram of a typical wireless identification system.

2 is a preferred embodiment of a virtual wireless identification system.

3 is a simple flowchart of a virtual radio identification processing method of the virtual radio identification system.

<Description of main parts of drawing>

200: digital content playback system 205: digital content playback platform

210: control unit 215: digital content playback unit

220: wireless identification information processing unit 225: digital content output unit

230: screen output unit 235: sound output unit

240: hardware device 245: wireless identification tag processing unit

250: memory 255: power supply

260: wireless identification reader 265: information processing system

270: D / B

The present invention relates to a digital content reproduction system equipped with a radio frequency identification (RFID) processing system, the digital content reproduction system for reproducing digital content, wherein the digital content including radio identification information is reproduced. A digital content reproducing unit for extracting wireless identification information included in digital content, a wireless identification information processing unit for processing wireless identification information extracted from the digital content reproducing unit into wireless identification tag information having a wireless identification tag structure, and the wireless unit And a wireless identification tag processing unit for wirelessly transmitting the wireless identification tag information processed by the identification information processing unit by using a predetermined power source.

According to the present invention, the digital content reproduction system includes a digital content reproduction platform for playing and / or outputting at least one text content, image content, sound content, and multimedia content.

In addition, according to the present invention, the radio identification information is inserted into a header area of the digital content, or inserted into a reproduction area of the digital content through a copyright information insertion technology including a watermarking technique. It is done.

According to the present invention, the digital content reproducing unit may extract the wireless identification information from the digital content file header or extract the copyright information included in the digital content while the digital content is reproduced.

In the present invention, the virtual wireless identification tag, like a known wireless identification tag, a memory unit for storing wireless identification information, a control unit for providing an input / output function for the memory unit, and a wireless processing unit for communicating with a wireless identification reader through an antenna Although not made of a single chipset, the device and / or platform provided on the digital content playback system capable of playing at least one or more digital contents may include a memory unit of the wireless identification tag, a controller, And / or perform a function of a wireless processing unit.

For example, in the virtual wireless identification tag, wireless identification information to be stored in the memory unit of the existing wireless identification tag is extracted from the digital content reproduced through the digital content reproduction system, the wireless to be provided in the control unit of the existing wireless identification tag The identification information input / output function is implemented through the data input / output function provided in the platform on the digital content reproduction system, and the wireless processing function to be provided in the wireless processing unit of the existing wireless identification tag is a printed circuit board (PCB) on the digital content reproduction system. It is possible to be provided in the form of an independent RF module printed on.

Hereinafter, with reference to the accompanying drawings and description will be described in detail the operating principle of the preferred embodiment of the present invention. However, the drawings and the following description shown below are for the preferred method among various methods for effectively explaining the features of the present invention, the present invention is not limited only to the drawings and description below. In addition, in the following description of the present invention, if it is determined that a detailed description of a related known function or configuration may unnecessarily obscure the subject matter of the present invention, the detailed description thereof will be omitted. Terms to be described later are terms defined in consideration of functions in the present invention, which may vary according to intentions or customs of users or operators. Therefore, the definition should be based on the contents throughout the present title.

For example, a digital content reproduction system according to a preferred embodiment of the present invention includes a computer equipped with a digital content reproduction and / or output function, a set top box (STB) and a digital video disk (DVD) reproduction system of a digital broadcasting system. DVD player, etc. The digital content reproduction system of FIG. 2 is a brief implementation diagram in which various unnecessary configurations are omitted in order to explain the gist of the present invention in the above various digital content reproduction systems.

2 is a preferred embodiment of a virtual wireless identification system.

Referring to FIG. 2, the virtual wireless identification system replaces the wireless identification tag of the known wireless identification system, and the controller 210 of the digital content reproduction system 200 and the digital content reproduction on the digital content reproduction system 200. A virtual radio identification tag including a unit 215, a radio identification information processing unit 220, a radio identification tag processing unit 245, and the like is provided.

According to a preferred embodiment of the present invention, the digital content playback system 200 is a system capable of playing and / or outputting text content, image content, sound content, and / or multimedia content, and the like. ) And a hardware device 240 or the like.

Digital content playback platform 205 of digital content playback system 200 is a generic term for an operating system and / or application programs, etc. loaded in memory for digital content playback system 200 to play and / or output at least one or more digital content. to be.

For example, if the digital content reproduction system 200 is a computer equipped with digital content reproduction and / or output function, the digital reproduction platform 205 may include an operating system provided in the computer and at least one application executed through the operating system. Programs and the like.

Referring to FIG. 2 according to a preferred embodiment of the present invention, the digital content playback platform 205 is basically provided with a controller 210 and a digital content output unit 225, the virtual wireless identification system proposed by the present invention. The digital content reproducing unit 215 for reproducing digital content including wireless identification information and extracting wireless identification information included in the digital content, and processing the wireless identification information extracted from the digital content into wireless identification tag information. The wireless identification information processing unit 220 and the like provided to the wireless identification tag processing unit 245 are additionally provided.

The control unit 210 of the digital content reproduction system 200 is an input / output function of information and / or data and / or digital content reproduction and / or for reproducing and / or outputting respective digital contents in the digital content reproduction system 200. Or a control function related to an output. For example, if the digital content reproduction system 200 is a computer equipped with digital content reproduction and / or output function, the controller 210 corresponds to an operating system and a kernel provided in the computer.

The digital content output unit 225 includes a screen output unit 230, a sound output unit 235, and the like, and provides a MMI (Man Machine Interface) for outputting digital content to be played and / or output to a user. For example, if the digital content reproduction system 200 is a computer equipped with digital content reproduction and / or output function, the digital content output unit 225 corresponds to a device driver for digital content output to a monitor and / or a speaker.

The digital content playback unit 215 plays back at least one digital content in cooperation with the control unit 210 to the digital content played back in addition to the known digital content playback unit 215 for output through the digital content output unit 225. When the included wireless identification information and / or digital content is stored in the form of a file, the wireless identification information extractable from the corresponding digital content file header is extracted and provided to the wireless identification information processing unit 220 through the control unit 210. It features.

For example, if the digital content reproduction system 200 is a computer equipped with digital content reproduction and / or output function, the digital content reproduction unit 215 is a multimedia reproduction program such as a Windows Media Player.

According to a preferred embodiment of the present invention, the wireless identification information may be included through a watermarking technique for inserting copyright information into digital content. In this case, the digital content reproducing unit 215 may extract the wireless identification information watermarked to the digital content while reproducing the corresponding digital content and provide the extracted wireless identification information to the wireless identification information processing unit 220 through the control unit 210.

However, in the case where the wireless identification information is watermarked on the digital content as described above, the wireless identification information must satisfy a condition that can be processed into wireless identification tag information.

For example, if the size of the radio identification information that the radio identification tag processing unit 245 can process is 64 Bytes, the radio identification information should include information within 64 Bytes.

According to another embodiment of the present invention, wireless identification information may be extracted from a file header of digital content.

For example, a header of a moving picture expert group group 3 (MP3) file corresponding to a representative sound content includes an album title, a song name, and / or a singer name, and the digital content playback unit 215 may be assigned to the header as described above. The included information may be extracted and provided to the wireless identification information processing unit 220.

In addition, for example, in the header of a Joint Photographic Expert Group (JPEG) file corresponding to representative image content, text information (= Description) may be provided in addition to image related information, and wireless identification information may be recorded in the text information. The digital content reproducing unit 215 may extract the information included in the header as described above and provide the extracted information to the wireless identification information processing unit 220.

The wireless identification information processing unit 220 receives the wireless identification information from the digital content reproduction unit 215 and processes the wireless identification information into wireless identification tag information that the wireless identification tag processing unit 245 can use as a wireless identification tag. The wireless identification tag information processed as described above may be provided to the wireless identification tag processing unit 245 in cooperation with the control unit 210.

According to a preferred embodiment of the present invention, the wireless identification information included in the digital content preferably includes a structure of wireless identification tag information. In this case, the wireless identification information processing unit 220 is extracted from the digital content reproduction unit 215. The radio identification information is provided to the radio identification tag processing unit 245 without processing.

In addition, the wireless identification information included in the digital content or included in the digital content file header may include any structure. In this case, the wireless identification information processing unit 220 may be extracted from the digital content reproduction unit 215. The radio identification information is processed into radio identification tag information that can be processed by the radio identification tag, and provided to the radio identification tag processing unit 245.

The hardware device of the digital content reproduction system 200 is a generic term for a device physically provided for the digital content reproduction system 200 to play and / or output at least one digital content.

For example, if the digital content reproduction system 200 is a computer equipped with digital content reproduction and / or output function, the hardware device 240 may include a main board and a hard disk drive (HDD) and / or A power supply and the like.

Referring to FIG. 2 according to a preferred embodiment of the present invention, the hardware device 240 is basically provided with a memory unit 250, a power supply unit 255, and the like for the virtual wireless identification system proposed by the present invention. An identification tag processing unit 245 is provided.

The memory unit 250 stores at least one or more information and / or data related to digital reproduction in the digital content reproduction system 200. For example, if the digital content reproduction system 200 is a computer equipped with a digital content reproduction and / or output function, the memory unit 250 corresponds to a hard disk drive.

The power supply unit 255 is a device for supplying power to the digital content reproduction system 200. In general, the power supply unit 255 provides a function of converting alternating current (AC) power into direct current (DC) power and supplying the power. The power supplied by the 255 may be supplied to the wireless identification tag processing unit 245 as well.

The wireless identification tag processing unit 245 is provided with a function of wirelessly receiving the wireless identification information processed in the wireless identification tag structure from the wireless identification information processing unit 220 in the same manner as a conventional wireless identification tag in the form of a single chipset.

According to a preferred embodiment of the present invention, the wireless identification tag processing unit 245 may be included in the form of independent circuits on at least one or more PCBs included in the digital content reproduction system 200.

The preferred wireless identification tag processing unit 245 may be supplied with power through the power supply unit 255 of the hardware device 240 (= power supply function of the existing wireless identification tag), and the digital content playback platform 205 may be used. It is possible to provide the wireless identification tag information (= the function of the control unit of the existing wireless identification tag) through the wireless identification information processing unit 220 and the control unit 210 of the), the independent circuit on the PCB as described above in the wireless identification information processing unit ( Preferably, a temporary memory unit for temporarily storing the wireless identification tag information provided from 220 before being wirelessly transmitted, and a wireless processing unit for wirelessly transmitting the wireless identification tag information.

According to a preferred embodiment of the present invention, the temporary memory unit provided in the wireless identification tag processing unit 245 corresponds to a memory element on an independent circuit provided on the PCB for the wireless identification tag processing unit 245.

According to a preferred embodiment of the present invention, the wireless processing unit provided in the wireless identification tag processing unit 245 corresponds to an RF oscillation element on an independent circuit provided on the PCB for the wireless identification tag processing unit 245.

For example, if the digital content reproduction system 200 is a computer equipped with digital content reproduction and / or output function, the wireless identification tag processing unit 245 is supplied with power through a power input unit of the main board (= power of an existing wireless identification tag). Supply unit function), the wireless identification tag information is provided through the operating system and the kernel (= control function of the existing wireless identification tag), and the independent circuit on the main board temporarily before transmitting the wireless identification tag information provided as described above wirelessly. It is preferable that a temporary memory unit for storing the information, and a wireless processing unit for transmitting the radio identification tag information wirelessly.

As described above, the control unit 210, the digital content playback unit 215, the wireless identification information processing unit 220, the wireless identification tag processing unit 245, and the like of the digital content reproduction system 200 on the digital content reproduction system 200. When a virtual wireless identification tag is provided, the wireless identification reader 260 may extract at least one or more wireless identification tag information from the virtual wireless identification tag as described above through an antenna, such as an existing wireless identification tag.

3 is a simple flowchart of a virtual radio identification processing method of the virtual radio identification system.

3 illustrates a simple case in which the specific digital content reproducing unit 215 plays and / or outputs specific digital content in order to effectively explain the gist of the present invention. However, if the person skilled in the art to which the present invention pertains, the virtual wireless identification system for the case where a plurality of digital content playback unit 215 plays and / or outputs a plurality of digital content based on this figure 3 It will be relatively easy to understand the virtual radio identification processing method of.

For example, if the digital content reproducing system 200 is a computer equipped with digital content reproduction and / or output function, a plurality of digital content reproduction and / or output is possible through the multi tasking function of the computer. Handles for which the system controls the digital content are limited to specific digital content.

In FIG. 3, when the digital content playback unit 215 starts to play digital content through the digital content output unit in cooperation with the control unit 210 (300), the digital content playback unit 215 is the digital currently played back. It is determined whether the content includes the radio identification information (305).

If wireless identification information is included in the currently reproduced digital content (310), the digital content reproduction unit 215 extracts the wireless identification information included in the digital content and the wireless identification information processing unit 220 through the control unit 210. Provided as (315).

On the other hand, if wireless identification information is not included in the currently reproduced digital content (320), the digital content playback unit 215 checks whether the radio identification information can be extracted from the digital content file header (325).

For example, if the digital content reproducing system 200 is a computer equipped with digital content reproducing and / or outputting function, and the digital content is stored in the memory unit 250 of the computer, the digital content reproducing unit 215 may store the digital content. It is possible to access the header of the content file.

Of course, if the digital content reproducing system 200 is a computer equipped with digital content reproducing and / or outputting function, and the digital content is streamed from a server on a network, the digital content reproducing unit 215 is provided to the header of the digital content file. It is impossible to access.

If it is impossible to extract the wireless identification information from the digital content file header (330), the digital content reproduction unit 215 extracts the wireless identification information from the digital content and the wireless identification information processing unit 220 and / or the wireless identification tag processing unit 245. Ends without executing the process to process the virtual wireless identification tag through).

On the other hand, if wireless identification information can be extracted from the digital content file header (335), the digital content reproduction unit 215 extracts wireless identification information from the digital content file header to the wireless identification information processing unit 220 through the control unit 210. to provide.

When wireless identification information is extracted from the digital content reproduction unit 215 and provided to the wireless identification information processing unit 220 as described above, the wireless identification information processing unit 220 includes the provided wireless identification information in the wireless identification tag processing unit 245. In step 340, the wireless identification tag information of the wireless identification tag structure that can be transmitted to the temporary memory unit is processed.

When the radio identification information is processed into radio identification tag information having a radio identification tag structure as described above, the radio identification information processing unit 220 provides the radio identification information to the radio identification tag processing unit 245 through the control unit 210 ( 345).

According to a preferred embodiment of the present invention, the radio identification tag information provided to the radio identification tag processing unit 245 is temporarily stored in the temporary memory unit of the radio identification tag processing unit 245.

If wireless identification tag information processed from the wireless identification information extracted from the digital content is provided to the wireless identification tag processing unit 245 as described above, the wireless identification reader 260 performs the wireless identification tag processing unit 245 through the antenna. When the wireless identification tag information is requested (350), the wireless identification tag processing unit 245 wirelessly transmits the wireless identification tag information through the wireless processing unit provided in the wireless identification tag processing unit 245 according to a preferred embodiment of the present invention. In operation 355, a virtual radio identification tag is performed.

According to the present invention, a process of extracting wireless identification information from digital content as described above, processing the wireless identification information into wireless identification tag information, and performing a function of a virtual wireless identification tag through a wireless identification tag processing unit 245. The process is repeated until the digital content reproduction unit ends reproduction of the corresponding digital content (360).

If the digital content reproduction unit 215 finishes the reproduction of the digital content (365), the result is provided to the wireless identification information processing unit 220 and the wireless identification tag processing unit 245 through the control unit 210, the digital When the content reproducing unit 215 finishes reproducing the digital content currently being reproduced, the wireless identification tag processing unit 245 extracts and processes the wireless identification tag extracted from the digital content to be reproduced as described above according to a preferred embodiment of the present invention. An initialization process for deleting information from the temporary memory unit is performed (370).

According to the present invention, by providing a virtual radio identification system and a virtual radio identification processing method including a virtual radio frequency identification (RFID) tag in a digital content, a card issuer can use text content, It is possible to extract tag information for intangible goods, such as digital content including image content, sound content, and / or multimedia content, and RFID systems near digital content playback systems through intangible goods such as digital content ( For example, it is possible to provide a coupon for a product included in digital content with a wireless terminal equipped with an RFID reader.

In addition, a content provider may be able to include an RFID tag in an intangible product such as digital content in addition to the tangible product, and include the RFID tag in the intangible text content, image content, sound content, and / or multimedia content. The digital content can be provided only when the digital content is purchased based on the tag included in the digital content.

Claims (8)

In the digital content reproduction system for playing digital content, A digital content player for reproducing digital content including wireless identification information and extracting wireless identification information included in the digital content; A radio identification information processing unit processing the radio identification information extracted from the digital content reproduction unit into radio identification tag information having a radio identification tag structure; And And a wireless identification tag processing unit for wirelessly transmitting the wireless identification tag information processed by the wireless identification information processing unit by using a predetermined power source. The digital content reproduction system of claim 1, And a digital content reproducing platform for reproducing and / or outputting at least one of text content, image content, sound content, and multimedia content. The method of claim 1, wherein the digital content playback unit, And a wireless identification processing system characterized in that the wireless identification information is extracted from the digital content file header. The method of claim 1, wherein the wireless identification information, Inserted into a header area of the digital content, or A digital content reproduction system equipped with a wireless identification processing system, characterized in that it is inserted into the reproduction area of the digital content through a copyright information insertion technique including a watermarking technique. The method of claim 1, wherein the digital content playback unit, And extracting the radio identification information from the copyright information included in the digital content while the digital content is reproduced. The method of claim 1, wherein the wireless identification tag processing unit, A temporary memory unit that temporarily stores radio identification tag information provided from the radio identification information processing unit before transmitting it wirelessly; And And a wireless processing unit which wirelessly transmits the wireless identification tag information. The method of claim 6, wherein the wireless processing unit, Digital content reproduction system with a wireless identification processing system, characterized in that the RF oscillation element on an independent circuit provided on the PCB. The method of claim 1 or 6, wherein the wireless identification tag processing unit, Digital content playback system with a wireless identification processing system, characterized in that included in the form of an independent circuit on at least one or more PCBs included in the content playback system.