WO2003065366A1 - Appareil d'enregistrement et support d'enregistrement - Google Patents
Appareil d'enregistrement et support d'enregistrement Download PDFInfo
- Publication number
- WO2003065366A1 WO2003065366A1 PCT/JP2003/000879 JP0300879W WO03065366A1 WO 2003065366 A1 WO2003065366 A1 WO 2003065366A1 JP 0300879 W JP0300879 W JP 0300879W WO 03065366 A1 WO03065366 A1 WO 03065366A1
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- WIPO (PCT)
- Prior art keywords
- recording
- information
- content
- unit
- copyright processing
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Classifications
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
- G11B20/0071—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a purchase action
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
Definitions
- the present invention relates to a recording device and a recording medium for copyright protection.
- a recording device that records content on a recording medium, acquires copyright processing information that is information related to copyright processing recorded on the recording medium, and records content based on the copyright processing information
- a recording device for determining whether or not the recording is performed is provided.
- FIG. 1 is a conceptual diagram of a recording system according to the first embodiment.
- FIG. 2 is a block diagram showing a configuration of the recording device according to the first embodiment.
- FIG. 3 is a flowchart illustrating the operation of the recording apparatus according to the first embodiment.
- FIG. 4 is a diagram showing an example of copyright processing information recorded on a recording medium according to the first embodiment.
- FIG. 5 is a block diagram showing a configuration of a recording device according to the second embodiment.
- FIG. 6 is a flowchart illustrating the operation of the recording apparatus according to the second embodiment.
- FIG. 7 is a diagram showing a display example of an error message panel according to the second embodiment.
- FIG. 8 is a configuration diagram of a transmission / reception system according to the third embodiment.
- FIG. It is a figure showing an example of data of a pair.
- FIG. 10 is a flowchart showing an operation of the receiving apparatus according to the third embodiment.
- FIG. 11 is a diagram showing an example of copyright processing information recorded on a recording medium according to the third embodiment.
- FIG. 12 is a block diagram illustrating a configuration of a recording system according to the fourth embodiment.
- FIG. 13 is a flowchart showing the operation of the recording apparatus according to the fourth embodiment.
- FIG. 14 is a flowchart illustrating the operation of the recording apparatus according to the fourth embodiment.
- FIG. 15 is a diagram showing a display example of the panel according to the fourth embodiment.
- FIG. 16 is a diagram illustrating an operation of the server device according to the fourth embodiment.
- FIG. 17 is a diagram illustrating an operation of the recording apparatus according to the fourth embodiment.
- FIG. 18 is a block diagram illustrating a configuration of a recording system according to the fifth embodiment.
- FIG. 19 is a flowchart showing the operation of the accounting apparatus according to the fifth embodiment.
- FIG. 20 illustrates a copyright processing panel according to the fifth embodiment.
- FIG. 21 shows a copyright processing panel according to the fifth embodiment.
- FIG. 22 is a diagram illustrating an example of input information in the fifth embodiment.
- FIG. 23 is a diagram illustrating a structure of input information according to the fifth embodiment.
- FIG. 24 is a diagram illustrating the structure of input information according to the fifth embodiment.
- FIG. 25 is a diagram showing a charging fee determination table according to the fifth embodiment.
- FIG. 26 is a diagram illustrating an example of the result information according to the fifth embodiment.
- FIG. 27 is a diagram showing a result processing panel according to the fifth embodiment.
- FIG. 28 is a diagram illustrating an example of the result information according to the fifth embodiment.
- FIG. 29 is a diagram illustrating an example of an error panel according to the fifth embodiment.
- FIG. 1 is a conceptual diagram of a recording system having a recording device and a recording medium according to the first embodiment.
- the recording system has a recording device 101 and a recording medium 102.
- the recording device 101 records the content on the recording medium 102.
- content refers to data and information. You may use it.
- content refers to data that is subject to copyright protection, such as video such as movies, audio data, and music data such as songs.
- the recording medium 102 is a medium on which content can be recorded.
- the recording medium 102 may be anything that can record contents, such as a write-once optical disk, a rewritable optical disk, a floppy disk, a semiconductor memory (including a removable disk from a recording device), and a hard disk.
- the recording device 101 has a computer main body 101, a recording medium drive 101, and a display 101.
- the process of recording the content on the recording medium 102 is executed by the computer main unit 101 and the recording medium drive 101.
- the display 101 is required for the user to input a content copy command, but is not essential.
- the recording device 101 is realized by a computer main body 101 and a recording medium drive 101, but it is necessary to copy contents to the recording medium 102. Needless to say, it may be a dedicated machine (for example, a unitary machine).
- the computer main unit 101 is composed of a memory for storing contents, an R ⁇ M for recording programs for controlling recording instructions and the like in the drive 102, a CPU for reading and executing programs from ROM, and the like. Become.
- the computer body 101 has a general configuration and is not shown here.
- FIG. 2 is a block diagram showing a configuration of the recording device 101 according to the first embodiment.
- the recording device 101 includes an instruction receiving unit 201, a copyright information acquiring unit 202, a determining unit 203, a recording method determining unit 204, a content holding unit 205, and a content acquiring unit 206. It has a content recording section 2007.
- the instruction receiving unit 201 receives a recording instruction having a content identifier for identifying the content and a recording medium identifier for identifying the recording medium.
- the command receiving unit 201 can be realized by, for example, a driver software that receives an input from a user using a keyboard mouse. Also, for example, assuming that a command is transmitted via a network, the command receiving unit 201 is a modem and its driver software. Further, assuming that a command is transmitted by broadcasting, the command receiving unit 201 is a tuner and its dry personal computer. Further, assuming that a command is transmitted by the infrared remote controller, the command receiving unit 201 is an infrared receiver and its driver software.
- the copyright information acquiring unit 202 acquires copyright processing information, which is information on copyright processing recorded on the recording medium identified by the recording medium identifier accepted by the instruction accepting unit 201.
- Copyright processing information is information that indicates that some sort of copyright-related measure has been taken. For example, content that is charged or charged for copying or output, etc. Information, etc.).
- the presence of copyright processing information on the recording medium 102 indicates that the content for which copying is to be paid may be copied on the recording medium.
- the copyright information acquisition unit 202 is usually used for software and CPU Can be realized by: This software is usually stored in ROM or the like. Acquisition of copyright processing information includes temporary reading.
- the determination unit 203 determines whether the copyright information acquisition unit 202 has been able to acquire the copyright information.
- the determination unit 203 can be generally realized by software and a CPU. This software is usually stored in ROM or the like.
- the recording method determination unit 204 determines a content recording method based on the determination result of the determination unit 203.
- the recording method determination unit 204 can be generally realized by software and a CPU. This software is usually stored in ROM or the like.
- the content holding section 205 holds one or more contents.
- the content holding unit 205 may be any medium that can store content, such as a hard disk, a semiconductor memory, or an optical disk. Further, the content holding unit 205 may temporarily record the content.
- the content held by the content holding unit 205 may be a content transmitted by broadcasting, a content transmitted by communication, or a recording medium such as a CD-ROM. May be the one that reads the content stored in.
- a content transmitted by broadcasting a content transmitted by communication, or a recording medium such as a CD-ROM. May be the one that reads the content stored in.
- the content acquisition unit 206 acquires the content stored in the content holding unit 205.
- the content acquisition unit 206 can be generally realized by software and a CPU. This software is usually stored in ROM or the like.
- the content recording section 2007 is based on the decision of the recording method decision section 204. Then, the content acquired by the content acquisition unit 206 is recorded.
- the content recording unit 2007 can be generally realized by software, a CPU, and the like. This software is usually stored in ROM or the like.
- Step S301 It is determined whether or not the command receiving unit 201 has received a recording command. If the command has been received, the process proceeds to step S302, and if the command has not been received, the process returns to step S310.
- Step S 3 0 2 The copyright information acquisition unit 202 performs a process of acquiring the copyright processing information (it may not be possible to acquire the copyright processing information), and the determination unit 203 acquires the copyright information on the recording medium 102. It is determined whether the right processing information is recorded. If it has been recorded, go to step S304. If not, go to step S304.
- Step S303 The recording method determination unit 204 determines the recording method to be "pattern 1."
- Step S304 The recording method determination unit 204 determines the recording method as "pattern 2".
- Step S305 The content acquisition unit 206 determines whether or not there is a content identified by the content identifier of the instruction received by the instruction reception unit 201. If the content exists, go to step S306; otherwise, jump to step S308.
- Step S306 The content acquisition unit 206 is identified by the content identifier of the instruction received by the instruction reception unit 201.
- the content is acquired from the content holding unit 205.
- Step S307 The content recording unit 307 records the content on the recording medium in accordance with the recording method ("parameter 1" or "pattern 2.”).
- Step S308 Outputs an error message indicating that the content designated for copying does not exist.
- the first operation example in such a case is as follows.
- the recording device 101 determines whether or not the recording medium A holds the copyright processing information. When determining that the recording medium A holds the copyright processing information, the recording device 101 reads out the content 1 and copies the content 1 to the recording medium A. If the recording medium A does not hold the copyright processing information, the recording device 101 does not copy the content 1 to the recording medium A.
- the above-described recording method “pattern 1” indicates a simple copy.
- the recording method “Pattern 2” indicates that nothing is done. That is, “pattern 2” indicates “nop”.
- the recording medium A is, for example, a rewritable optical disk (DVD, etc.).
- Copyright processing information is stored in, for example, an area called “R-Informationarea” on DVD-R. Has been recorded.
- R—Informal: ionarea is an example in which copyright processing information is written, and may be another area. It is desirable that the area where the copyright processing information is written is a separate area that can be distinguished from the area where the content is written.
- another area there is an area provided for recording management information necessary for a recording apparatus such as “R-Informationareaj”.
- the copyright processing information is composed of, for example, 8 bit information, and the preceding 1 bit is copyright processing determination information.
- Copyright processing determination information is information indicating whether or not copyright processing information is recorded. If the copyright processing determination information is a value of “1”, the recording medium A has recorded the copyright processing information. In other words, it means that the recording medium A has been copyright-processed and the content can be copied. On the other hand, when the copyright processing determination information is a value of “0”, the copyright processing information is not recorded on the recording medium A. In other words, it means that the recording medium A has not been copyright-processed and the content cannot be copied.
- the next 2bit (2bit to 3bit) of the copyright processing information indicates the copyright processing level information.
- the copyright processing level information indicates what kind of copyright processing is performed on the recording medium A. Depending on the copyright processing level information, the content that can be copied to the recording medium A differs, and the copying method differs. This control is performed by the recording device 101. The details of this processing will be described in the second embodiment.
- Copyright processing association identifiers are: This is information that identifies the organization that performs copyright processing (including those that manage copyright and charge). The copyright processing association identifier identifies the organization authorized to copy the content from the recording medium A.
- the copyright processing association identifier is used, for example, as follows. For example, if the copyright processing association identifier is “00001” (meaning the Music Copyright Association), it indicates that the copyright has been processed by the association that manages the copyright of music.
- Music data for example, a WAV file
- music data is recorded on a recording medium based on copyright processing determination information and a copyright processing level.
- data other than music data for example, movie contents is determined to have not been copyrighted and cannot be recorded on a recording medium.
- the copyright processing association identifier is “00001 0” (meaning the movie copyright association) (meaning the movie copyright association), it indicates that the copyright has been processed by the association that manages the copyright of the movie.
- the movie data (for example, an mpeg file) is recorded on a recording medium based on the copyright processing determination information and the copyright processing level.
- other than movie data for example, music content is determined not to be copyright-processed and cannot be recorded on a recording medium.
- the copyright processing association identifier is “0 0 0 1 1”, it indicates that the license has been obtained from the Music Copyright Association and the Movie Copyright Association, and movies and music can be recorded on the recording medium. .
- the lbit item after the copyright processing association identifier indicates 'record permission of the Movie Copyright Association'
- the 2bit item after the copyright association indicates the permission of the 'Music Copyright Association'.
- the copyright processing information has been described above, but is not limited to the above example. That is, the copyright processing information may consist of only the copyright processing determination information, or may include information other than the above information.
- the recording apparatus 101 determines whether or not the recording medium A holds the copyright processing information. If the recording device 101 determines that the recording medium A holds the copyright processing information, it reads out the content 1 and simply copies all of the content 1 to the recording medium A. If the recording device 101 determines that the recording medium A does not hold the copyright processing information, it reads out the content 1 and copies a part of the content 1 to the recording medium A.
- the above-mentioned recording method “Pattern 1” means a method of copying the entire content
- the recording method “Passive 2” means a method of copying a part of the content.
- the part of the content is preferably, for example, information 30 seconds before the content.
- the recording method of “Pattern 2” may be a method of copying any part of the content.
- the recording method of “Pattern 2” is such that multiple fields of content are skipped (fields may be obtained from content at regular intervals or at arbitrary intervals).
- the recording method of “Pattern 2” is that if some data used for promotion is specified in the content, — A method of cutting out and recording data for the session may be used.
- There is a method of specifying some data to be used for promotion such as a method of specifying the attribute information (evening) of promotion start and promotion end in the content.
- the method is not limited to tags, and may be anything.
- the recording apparatus 101 determines whether or not the recording medium A holds the copyright processing information. If the recording device 101 determines that the recording medium A holds the copyright processing information, it reads out the content 1 and simply copies the entire content 1 to the recording medium A. If the recording device 101 determines that the recording medium A does not hold the copyright processing information, it reads out the content 1 and encrypts the content 1 by a predetermined method. Then, the recording device 101 records the encrypted content 1 on the recording medium A.
- whether to copy or not to copy is determined based on whether or not the copyright processing information is recorded on the recording medium for copying the content.
- the method of copying the content was changed depending on whether or not copyright processing information was recorded on the recording medium on which the content was copied.
- a mechanism for protecting the copyright holder can be constructed on the recording medium.
- the copyright holder or copyright protection agency A part of the sales amount of the recording medium is paid in advance in the body, and the copyright processing information is recorded on the recording medium as a substitute.
- a recording medium in which such copyright processing information is recorded in advance is distributed to the market. Then, the copyright processing can be appropriately performed by allowing the recording device to copy or move the content only on the recording medium on which the copyright processing information is recorded in advance.
- the recording medium in which the copyright processing information is recorded in advance is a rewritable optical disk, but a magnetic disk such as a hard disk / floppy disk, a write-once optical disk, Any recording medium, such as a portable semiconductor memory, that can record information may be used.
- the input of a content copy command from the user has been described with the command input, but it goes without saying that the command may be input with a mouse or a remote controller.
- the command may be transmitted via a network or a broadcast, and the recording device may receive the command and perform a recording process.
- the above operation (in particular, the operation described in the flowchart of FIG. 3) may be realized by a computer-readable program.
- the program may be recorded and distributed on a recording medium such as a CD-ROM, may be distributed by network distribution, or may be distributed by broadcasting. '
- the command receiving unit 201 is not essential, and may execute a predetermined command automatically by the recording device.
- the content holding unit 205 may have a plurality of contents or only one content. If only one content exists in the content storage unit 205, the content The acquisition unit 206 acquires the determined content. Further, in the first embodiment, copying of content has been described, but similar processing may be performed when content is moved. '
- the instruction includes the medium identifier for identifying the medium, but the instruction may not include the medium identifier. In such a case, the content is copied or moved to a predetermined medium.
- FIG. 5 is a block diagram showing a configuration of a recording device according to the second embodiment.
- the recording device includes an instruction receiving unit 201, a content holding unit 205, a content obtaining unit 206, a content recording unit 207, a device-side information storing unit 501, and a medium-side information obtaining unit 500. 2. It has a recording method determination unit 50 ⁇ 3.
- the device-side information holding unit 501 holds the copyright processing information on the device side.
- This copyright processing information is copyright processing information corresponding to the content to be copied or moved.
- This copyright processing information may be held so as to correspond one-to-one with the content, or only one may be held in the recording device. If only one piece of copyright processing information is stored in the recording device, it means that the copyright processing information corresponding to all the contents stored in the recording device is the same.
- the device-side information storage unit 501 may be any medium that can store contents, such as a hard disk, a semiconductor memory, or an optical disk.
- the medium-side information acquisition unit 502 acquires the copyright processing information recorded on the recording medium.
- the medium-side information acquisition section 502 operates in the same manner as the copyright information acquisition section 202. .
- the recording method determination unit 503 records the content based on the copyright processing information held by the device-side information storage unit 501 and the copyright processing information acquired by the medium-side information acquisition unit 502. Decide the method.
- the recording method determination unit 503 can be usually realized by software and a CPU. This software is usually stored in ROM or the like.
- Step S601 It is determined whether or not the instruction receiving unit 201 has received the instruction of the recording instruction. If the command has been received, the process proceeds to step S602, and if the command has not been received, the process returns to step S601.
- Step S602 The medium-side information acquisition unit 502 attempts to acquire copyright processing information from the recording medium, and determines whether or not the copyright processing information has been acquired. If the copyright processing information can be obtained, the process proceeds to step S603. If the copyright processing information cannot be obtained, the process jumps to step S606. If copyright processing information can be obtained in this step, copyright processing information has been obtained.
- Step S603 The recording method determination unit 503 acquires the copyright processing information of the device held by the device information holding unit 501.
- the device information holding unit 501 it is assumed that there is one piece of copyright processing information on the device side, which is information common to all contents.
- Step S 6 0 4 The recording method determination section 5 0 3 In step 02, the content recording method is determined based on the copyright processing information obtained by the medium-side information obtaining section 502 and the apparatus-side copyright processing information obtained in step S603.
- Step S 605 The content recording section 207 records the content on the recording medium according to the content recording method determined in step S 604.
- Step S606 An error message indicating that the content cannot be recorded on the specified recording medium is output.
- the error message is usually stored in the recording device in advance. However, this error message may be externally stored in the recording device via a network, or by a means such as broadcasting or a recording medium.
- the first operation example in such a case is as follows.
- the recording device determines whether or not the recording medium holds the copyright processing information. If the recording device determines that the recording medium holds the copyright processing information, the recording method determination unit 503 sends the device-side copyright processing information held in the device-side information holding unit 501 to the recording method determination unit 503. To get. Then, the recording method determining unit 503 copies the content 2 to the recording medium when the copyright processing information on the medium side and the copyright processing information on the apparatus side have a fixed relationship. This copy shall simply copy the content 2 to the recording medium. On the other hand, if the two are not in a certain relationship, the content is not copied.
- the certain relationship is, for example, a relationship in which both data are identical.
- the certain relationship may be that the two relationships are other predetermined relationships.
- the copyright processing level information is information indicating what level of content can be stored.
- the recording device If the recording medium does not hold the copyright processing information, the recording device outputs a panel including an error message as shown in FIG. 7 without copying the content 2 onto the recording medium. However, as the error message, only information indicating that an error has occurred may be output. Note that the processing after pressing the button in FIG. 7 will be described in detail in another embodiment below.
- the second operation example in the above case is as follows.
- the recording device determines whether or not the recording medium holds the copyright processing information. If the recording device determines that the recording medium holds the copyright processing information, the recording method determination unit 503 stores the copyright processing information in the device-side information storage unit 501. Obtain the copyright processing information of the device being used. Then, the recording method determining unit 503 copies the content 2 to the recording medium when the copyright processing information on the medium side and the copyright processing information on the apparatus side have a certain relationship. This copy shall simply copy the content 2 to the recording medium. On the other hand, if the two are not in a fixed relationship, a part of the content 2 is copied to a recording medium. Various forms of “part” of the content 2 are conceivable, as described in the first embodiment.
- the third operation example in the above case is as follows.
- the recording device determines that the recording medium holds the copyright processing information, and records the content 2 when the copyright processing information on the medium and the copyright processing information on the device have a certain relationship. Simply copy to media. On the other hand, if the two data are not in a fixed relationship, the content 2 is encrypted, and then the encrypted content 2 is copied to a recording medium.
- the copyright processing can be performed by permitting normal copying only when the copyright processing information of the recording medium and the copyright processing information held by the recording device have a certain relationship.
- the copyright processing information held by the recording device is one. In such a case, the copyright processing information of all contents held by the recording device is common, but the copyright processing information may be managed for each content.
- managing the copyright processing information for each content means that the copyright information may be stored for each content identifier for identifying the content, or the copyright information may be stored for each type of content.
- the types of content include music files (such as WAV files), Multimedia data such as text data, video data, mpeg, etc.—Types such as evening, grouped based on information indicating the content owner, or grouped based on content size Or anything that is divided into grooves based on the attribute values of the content.
- the recording device determines whether or not to copy based on the copyright processing information of the content to be copied and the copyright processing information of the recording medium, or Decide how to do it.
- the recording device determines whether or not to copy based on the copyright processing information corresponding to the type of content to be copied and the copyright processing information of the recording medium. Decide or decide how to copy.
- the above operation may be realized by a computer-readable program.
- the program may be recorded on a recording medium such as CD-R0M and distributed, may be distributed by network distribution, or may be distributed by broadcasting.
- FIG. 8 shows a configuration diagram of the transmission / reception system according to the third embodiment.
- the transmission / reception system has a transmission device 8 01 and a reception device 8 02.
- transmission may be one-to-many data transmission such as broadcasting, One-to-one data transmission using a network may be used.
- the transmission device 8001 has a data storage unit 8001 1 and a data transmission unit 8001 2.
- the q data storage unit 80.11 pairs the content to be transmitted with the copyright processing information of the content.
- One or more sets of data are stored.
- the data holding section 8001 is a medium capable of storing data, such as a hard disk, a CD-ROM, or a semiconductor memory.
- the data transmitting section 8002 transmits the content held by the data holding section 8111 and the copyright processing information of the content in pairs.
- the data transmission unit 8001 2 is realized by, for example, a modem and a driver.
- the data transmitting section 8002 may be realized by known data broadcasting means.
- the communication device 800 is composed of a first tuner 8001, a second tuner 8002, a content storage unit 8002, a command reception unit 201, a copyright information acquisition unit 202, It has a judgment unit 203, a recording method determination unit 204, a content holding unit 205, a content acquisition unit 206, and a content recording unit 206.
- the first tuner 820 1 and the second tuner 802 2 receive a broadcast (the transmitting device will be described below as a broadcasting device).
- the received broadcast wave has a pair of content and copyright processing information of the content.
- the first tuner 8001 is in cooperation with the instruction receiving unit 201, and the second tuner 8002 is not in cooperation with the instruction receiving unit 201.
- the first tuner 1802 1 can be controlled by the user with a remote controller or the like, but the second tuner 1802 2 cannot be controlled by the user.
- the content storage section 802 3 stores the content and the copyright processing information received by the first tuner 820 1 and the second tuner 820 2 in pairs.
- the storage destination is the content holding unit 205.
- the transmitting device 801 First, the operation of the transmitting device 801 will be described.
- the data of the pair of the content and the copyright processing information held by the data transmission unit 8001 and the data holding unit 8001 are extracted.
- the data transmission section 8002 transmits the data of the pair of the extracted content and the copyright processing information.
- the first tuner — 802 1 or the second tuner 820 2 receives the data of the pair of the content and the copyright processing information transmitted from the transmitting device 801. Which of the first tuner 800 2 1 and the second tuner 800 2 2 receives is determined based on, for example, a command received by the command receiving unit 201 (a command issued by the user with a remote controller or the like). I can decide. However, which of the first tuner 820 1 and the second tuner 820 2 receives is predetermined and may be fixed. In this case, the following effects can be obtained if the second tuner 1802, which cannot be controlled by the user, receives the signal. In other words, by constantly broadcasting the content claiming the copyright and receiving the content at the receiving device, good content is properly distributed. Next, the content storage unit 8002 stores the data of the pair of the content and the copyright processing information in the content storage unit 205.
- the above is the content and copyright processing information in the receiving device 802 This is the operation of accumulating the data of the pair.
- the receiving device 802 records the content on the recording medium.
- An example of the operation at that time has been described in the first embodiment.
- the content “Music II” has a lower copyright claim level than “Movie ABC” and can be copied at a low price.
- Step S1001 The instruction receiving unit 201 determines whether or not an input of a content recording instruction has been received. If the command is accepted, the procedure goes to step S1002, and if the command is not accepted, the procedure returns to step S1001.
- the recording instruction is, for example, “co py content identifier t o recording medium identifier” and includes the content identifier.
- Step S1002 The content acquisition unit 205 acquires the content identifier included in the instruction.
- Step S1003 The content acquisition unit 205 acquires the copyright processing information corresponding to the content identifier from the content holding unit 205.
- Step S1004 The content recording unit 207 determines whether or not the copyright processing information included in the copyright processing information acquired in step S1003 has been copyright-processed. It is determined whether the content identified by the content identifier is content that requires copyright processing. If the copyright processing is necessary, the procedure goes to step S1005, and if the copyright processing is not necessary, the procedure jumps to step S1007.
- Step S1005 The content recording unit 207 acquires the copyright processing information of the recording medium identified by the recording medium identifier included in the instruction. Note that copyright processing information is recorded on the medium in advance.
- the copyright processing information is assumed to include, for example, information indicating whether or not the medium has been copyright processed, and information indicating the level of copyright processing.
- Step S 1 0 6 The content recording unit 2 07, based on the copyright processing information obtained in step S 1 0 3 and the copyright processing information of the recording medium obtained in step S 1 0 5 It is determined whether the content can be recorded. If it is acceptable to record, go to step S1007, and if it is determined not to record, step S100
- Step S1007 The content recording unit 207 records the content on the recording medium.
- Step S1008 The content recording section 207 outputs an error message stored in advance.
- the copyright processing information shown in FIG. 11 is composed of 3 bits.
- 1 t indicates whether or not copyright processing has been performed. If the upper 1 bit power is “1”, copyright processing has been performed, and any copyrighted content can be stored. If the upper 1 bit is “0”, copyright processing has not been performed and only non-copyrighted contents can be stored. The next 2 bit is information indicating the level of copyright processing. The larger the value, the higher the copyright processing, for example. (The smaller the value, the higher the copyright processing.)
- Media 1, Media 3, and Media 4 are copyrighted. This is because the first l b it is “1”.
- media 2 has not been copyrighted. Therefore, it is possible to copy the content for which only the media 1, the media 3, and the media 4 are alleged.
- the only content that can be copied to Medium 2 is non-copyrighted content such as “News X”.
- medium 1 is “1 1”
- medium 3 is “10”
- medium 4 is “0 0”.
- transmission including broadcasting
- a transmission system having a transmission device that transmits content and copyright processing information to a pair, and a reception device that can receive the content and record it on a recording medium.
- Copyright processing of the content to be performed can be appropriately performed.
- Embodiment 3 may be realized by a computer-readable program.
- the program may be recorded on a recording medium such as a CD-ROM and distributed, may be distributed by network distribution, or may be distributed by distribution.
- FIG. 1 a block diagram showing the configuration of a recording system that performs the process is shown in FIG. 1
- the recording system has a recording device 122 and a server device 122.
- the server device performs a billing process in the following, and is accordingly referred to as a billing device.
- the recording device 1 2 1 records content.
- the server device 122 receives the information for copyright processing from the recording device 122, performs the copyright processing, and returns the result to the recording device 122.
- Copyright processing refers to billing processing that allows copying of content for which copyright is claimed.
- the recording device 121 includes an instruction receiving unit 201, a copyright information acquiring unit 202, a judging unit 203, a recording method determining unit 204, a content holding unit 205, and a content acquiring unit 206. , Content recording section 207, panel display section 1 2 1 1, input information receiving section 1 2 1 2, input information transmitting section 1 2 1 3, result receiving section 1 2 1 4, result output section 1 2 1 5 Having.
- the panel display unit 121 displays a panel for copyright processing stored in advance when the result of determination by the determination unit 203 is that copyright processing information does not exist.
- the panel display section 121 is normally realized by software and a CPU.
- the information constituting the panel is described, for example, in HTML or the like, and is recorded on a recording medium such as a hard disk held by the recording device.
- the input information receiving unit 1 2 1 2 is the input information that is necessary for copyright processing when the result of the determination by the determination unit 203 is that there is no copyright processing information. Accept the input of.
- the input information receiving unit 1 212 is usually realized by software (for example, a keyboard driver and a mouse driver) and a CPU.
- the input information transmitting unit 1 2 13 transmits the input information received by the input information receiving unit 1 2 1 2.
- the input information transmitting unit 1 123 is realized by, for example, a modem and its driver software. It should be noted that the transmission is preferably a network transmission, but may be a transmission over the air, such as a broadcast using a CATV or a satellite.
- the result receiving unit 122 receives the result of copyright processing performed by the server device 122.
- the result receiving unit 1 2 1 4 is usually connected to the network Although it is a message, it may be broadcast reception.
- the result receiving unit 122 can be realized by a modem and its driver software.
- the result output section 1 2 15 outputs the result received by the result receiving section 1 2 14.
- the result output section 122 typically includes a display and can be realized by a display and its driver software. However, this output also includes printing and transmission. Transmission refers to the transmission of results to another device.
- the operation of the recording device 122 will be described with reference to the flowchart of FIG.
- the flowchart of FIG. 13 describes the process after the determination unit 203 determines that recording is not possible.c
- the determination process of whether recording is possible or not in the determination unit 203 is already described. Explained.
- Step S 1301 The panel display section 1 2 1 1 displays a panel for prompting the input of the input information and for transmitting the input information. Until the panel is displayed, for example, the following processing is performed in detail.
- Panel information panel information is described, for example, in HTML), which is information for configuring the panel, is read, the panel information is interpreted and executed, the panel is configured, and output to the display.
- Step S1302 The input information receiving unit 1212 determines whether or not the input information has been received. If the input information is accepted, the procedure goes to step S1303, and if the input information is not accepted, the procedure returns to step S1302.
- Step S1303 The input information receiving unit 1212 determines whether or not a transmission instruction has been received. If a transmission instruction has been accepted, go to step 1304; otherwise, go to step 13 Return to 0 3.
- the transmission instruction is given, for example, by pressing a transmission button.
- Step S1304 The input information transmitting unit 1213 transmits the input information.
- Step S1401 the result receiving unit 1224 determines whether or not result information indicating information processing results of the input information of the server apparatus 121 has been received. If the result information is received, the procedure goes to step S1402, and if the result information is not received, the procedure returns to step S1401c (step S1402). Output information. This output is usually sent to the display.
- Step S1403 The recording method determination unit 204 determines a recording method based on the result information.
- Step S144 The content recording unit 207 performs a recording process based on the recording method determined in Step S144. This recording process includes "no op" which does nothing.
- the recording device and the server device communicate to realize the above operation.
- the server device performs the operation shown in FIG. 16, and the recording device communicating with the server device performs the operation shown in FIG.
- Step S1601 It is determined whether or not data having a credit number and a password has been received. If data has been received, go to step S1662, and if not, return to step S1661.
- the above data is hereinafter referred to as input information as appropriate.
- Step S1662 The server device performs personal authentication by adapting the received data to the personal information managed in advance.
- Step S1663 From the received data, the server device determines whether or not the user who transmitted the data is a registered proper individual. If it is a valid individual, go to step S1664. If it is not a valid individual, go to step S166.
- Step S 1604 Send a message to the effect that copying is possible to the recording device.
- Step S165 A billing process is performed using the credit number or the like.
- This billing process is a billing process using a normal credit card. As a result of this billing process, an appropriate fee is paid to the copyright owner or copyright management organization.
- Step S166 Send a message indicating that copying is not possible to the recording device.
- a flowchart (FIG. 17) for explaining the operation of the recording apparatus will be described.
- Step S1701 Transmit the data including the credit number and the password.
- the overnight transmission is realized by pressing the transmission button.
- Step S1702 It is determined whether a signal has been received from the server device. If a signal is received, the procedure goes to step S1703, and if no signal is received, the procedure returns to step S1702.
- Step S1703 It is determined whether or not the received signal is a signal indicating that copying is possible. If the signal indicating that it is possible copy goes to Step S 1 7 0 4, goes to Step S 1 7 .0 5 if a signal indicating a possible copy 0
- Step S1704 The content is recorded on the recording medium.
- Step S175 An error message indicating that the credit number or password is incorrect is output.
- the copyright processing is performed on the spot using a network or the like, and the content is directly recorded on a recording medium (this is added). Processing).
- the recording method was determined based on the result information (see step S103 in FIG. 14).
- the result information is information generated by the server device 122 based on the input information
- being based on the result information is the same as being based on the input information.
- the recording method is determined based on the result information, although there are differences between direct and indirect. It is also based on Further, the recording method may be determined by the recording device 121 directly based on the input information without waiting for the result information from the server device 122. In this case, since the content recording process can be started without waiting for the transmission of the result information from the server device 122, the content can be recorded at a high speed.
- panel display section 121 is not indispensable. Even if there is no display on the panel, it is sufficient that input information is input and the input input information is transmitted. Also, receiving (outputting the result) and outputting (outputting the result) the result information is not essential. This is because the recording device may determine the recording method based on the input information.
- the example in which the above-described confirmation processing is performed with respect to the example of the first embodiment has been mainly described.
- the same confirmation processing can be performed in the second and third embodiments. That is, in the second and third embodiments, when the content cannot be recorded as it is (when the content cannot be recorded at all, only a part of the content can be recorded, or when the content is encrypted and recorded), By performing the checking process, the entire content can be recorded as it is. Or, the range in which content can be recorded is expanded (something could not be done, but some can be done, etc.).
- a recording device for recording content on a recording medium wherein a determination unit that determines whether copyright processing information exists on the recording medium, and a determination result of the determination unit determines that the copyright processing information exists. Only in the case of, the content recording unit that records the content on the recording medium and the judgment unit If the judgment result is that the copyright processing information does not exist, the input information receiving unit that receives input information that is information necessary for copyright processing and the input information receiving unit
- a recording apparatus comprising: an input information transmitting unit that transmits input information.
- a recording device that records content on a recording medium, the device-side information retaining unit retaining copyright processing information; and a medium-side information acquiring unit that retrieves copyright processing information recorded on the recording medium.
- a recording judging unit for judging whether or not to record the content based on the copyright processing information held by the apparatus information holding unit and the copyright processing information acquired by the medium side information acquiring unit;
- the content recording unit that records the content on the recording medium only when the result of the determination by the determination unit is to be recorded, and when the result of the determination by the recording determination unit is determined not to be recorded,
- a recording apparatus comprising: an input information receiving unit that receives input of input information that is information necessary for performing a right process; and an input information transmitting unit that transmits the input information received by the input information receiving unit.
- a recording device for recording content on a recording medium comprising: a determining unit for determining whether copyright processing information is present on the recording medium; and a recording for determining a content recording method based on a determination result of the determining unit.
- a recording method comprising: an input information receiving unit that receives input of input information that is information necessary for performing copyright processing; and an input information transmitting unit that transmits the input information received by the input information receiving unit.
- the determining unit determines a recording method based on the input information transmitted by the input information transmitting unit. Recording device.
- the above operations may be realized by a computer-readable program.
- the program may be recorded on a recording medium such as a CD-ROM and distributed, may be distributed by network distribution, or may be distributed by broadcasting.
- FIG. 18 is a block diagram illustrating a configuration of a recording system according to the fifth embodiment.
- the recording system has a recording device 122 and a billing device 182.
- the recording device 122 has already been described.
- the billing device performs the same function as the above-described server device, and the billing device may be referred to as a server device.
- the accounting processor 182 has an input information receiving unit 18 21, an accounting processor 18 22, a processing result generator 18 23, and a processing result transmitter 18 24.
- the input information receiving unit 1821 receives the input information from the recording device 122.
- the input information receiving unit 18 21 can be realized by wireless or wired communication means, but may also be realized by means for receiving a broadcast (for example, a tuner and its driver software).
- the charging section 1822 performs a charging process based on the input information received by the input information receiving section 1821.
- the billing process includes, for example, the following process.
- the billing process is to identify and authenticate the recording device (or the owner of the recording device) that sent the input information, and if the result of the authentication is appropriate, the recording device (or recording device).
- the owner of the equipment should automatically deduct a fixed charge from the bank. In other words, it refers to the process of transmitting the information that identifies the recording device (or the owner of the recording device) and the information including the charging fee to the bank device.
- the charging process means that, for example, when the input information has the copyright processing level information, the charging fee is determined based on the copyright processing level information, and the recording device (or the owner of the recording device) This refers to the process of recording information for identifying the information and the information of the charging fee as a pair.
- the billing process refers to, for example, when input information includes a copyright processing association identifier, a process of totaling the charging fee for each copyright processing association identifier and recording the result of the aggregation.
- the accounting section 1822 can be usually realized by software, but may be realized by a dedicated circuit (hardware).
- the charging processing unit 1822 has charging fee determining means 1822 and charging fee totaling means 1822.
- the charging fee determining means 182221 determines a charging fee based on the input information received by the input information receiving unit 18221. There are various methods for determining the charging fee. As a method of determining the charging fee, for example, there is a method of determining a fixed amount (for example, 100 yen) for one piece of input information. In addition, as a method of determining a charging fee, for example, there is a method of setting a different charging fee depending on a copyright processing level included in input information.
- the charging fee determining means 1 822 211 can be usually realized by software, but may be realized by a dedicated circuit (hardware).
- the charging fee totaling means 182222 aggregates the charging fee for each copyright processing association identifier.
- the charging fee summarizing means 1 822 2 2 can be usually realized by software, but may be realized by a dedicated circuit (hardware).
- the processing result generator 1823 generates the result information which is information indicating the processing result of the input information received by the input information receiver 1821.
- the processing result of the input information is, for example, generated when the input information includes information for identifying an individual, and when the individual is authenticated based on the information and the individual is found to be an appropriate individual. This applies to copyright processing information.
- the processing result of the input information may be any information as long as it is information for the recording device to record the content and the result of processing the input information.
- the processing result generation unit 1823 can be generally realized by software, but may be realized by a dedicated circuit (hardware).
- the processing result generating unit 1823 in the fifth embodiment includes a processing result generating unit 18231 and a processing result recording unit 1823.2.
- the processing result generating means 1823 is normally realized by software, but may be realized by a dedicated circuit (81-one hardware).
- the processing result generation means 1823 generates a result information which is a result of the processing in the charging processing section 1822.
- the processing result generating means 18 23 1 can be usually realized by software, but may be realized by a dedicated circuit (hardware).
- the processing result recording unit 1823 records the result information generated by the processing result generating unit 1823 on a recording medium (not shown).
- the processing result transmitting unit 1824 transmits the result information generated by the processing result generating unit 1823 to the recording device 122.
- the processing result transmitting section 1824 can be realized by a wireless or wired communication means, but may be realized by a broadcasting means.
- the billing processing device 18 2 receives the input information and The operation up to transmission will be described with reference to the flowchart in FIG.
- Step S1901 It is determined whether or not input information having a credit number and a password has been received. If input information has been received, go to step S1902, otherwise return to step S1901.
- Step S1902 The accounting unit 18222 performs personal authentication by matching the credit number and password of the received input information with the personal information managed in advance.
- Step S1903 The accounting processor 1822 determines from the received input information whether the user who transmitted the input information is a registered individual or not. If it is a proper individual, go to step S1904. If it is not a proper individual, go to step S1909.
- Step S 1904 The charging fee determining means 1 822 1 determines the charging fee based on the input information.
- Step S 1905 The charging fee totaling means 1 822 2 totalizes the charging fee based on the input information.
- This aggregation means that, for example, the copyright processing association identifier is included in the input information, and the charging fee determined in step S 1904 is distributed to each copyright processing association identifier (each copyright Calculation of the copyright fee received by the copyright processing association identified by the processing association identifier).
- Step S 1906 The processing result generating means 18 231 generates the result information which is the result of various processings in the charging processing section 18 222.
- Step S 1907 Processing result recording means 1 8 2 3 2
- the information is recorded on a recording medium (not shown).
- This recording usually refers to recording in non-volatile memory, but does not exclude temporary recording in volatile memory.
- Step S1908 The processing result transmission unit 1824 transmits the processing result generated in step S196 to the recording device 121.
- Step S1909 The processing result generation unit 1823 generates error result information indicating that personal authentication has failed.
- the input information as shown in FIG. 22 is constituted by the recording device.
- the input information in FIG. 22 consists of 8 bits, and the upper 4 bits are information indicating “type of recordable content”.
- the lower 4 bits are information indicating “use period during which the recording medium can record content”. Specifically, the description of the upper 4 bits is shown in Figure 23.
- the upper lbit is information indicating whether or not recording of the content type “music” is permitted. If the upper first bit is “1”, the content type “music” is allowed to be recorded. If the upper first bit is “0”, the content type is “music”. Record is not allowed.
- the upper 2 bits are information indicating whether or not recording of the content type “movie” is permitted.
- the upper 2 bits are “1”, recording of the content type “movie” is allowed, and if the upper 2 bits is “0”, the recording of the content type “movie” is not allowed.
- the upper 3 bits are information indicating whether recording of the content type “paid homepage (hereinafter also referred to as“ paid HP ”)” is permitted. If the upper 3 bits are “1”, recording of the content type “paid HPJ” is permitted. If the upper 3 bits are “0”, the recording of the content type “paid HPJ” is not permitted.
- the upper 4 bits are information indicating whether or not recording of the content type “all” is permitted. If the upper 4th bit is “1”, recording of the content type “all” is allowed. If the upper 4th bit is “1”, the information from the upper 1st bit to the 3rd bit is ignored.
- the lower 4bit is explained in Figure 24.
- the lower 4bit indicates information indicating a use period during which the recording medium can record the content of the content type specified by the upper 4bit. As shown in Figure 24, if the usage period is "1 week”, the lower 4 bits are "00001", and if the usage period is "1 month”, the lower 4 bits are "0101". And so on.
- the input information as shown in FIG. 22 is formed and transmitted to the accounting processor.
- the billing processing device that has received the input information of FIG. 22 performs the following processing. That is, it is assumed that the charging fee determination means holds the charging fee table shown in FIG. 25 for determining the charging fee.
- the charging fee table has a basic fee table and a period magnification table.
- Basic fee The money table is a table for managing the basic fee for each type of content.
- the term multiplication table is a table showing the rate of charge for each usage period.
- the charging fee determination means determines the charging fee by applying the input information to the basic fee table and the period magnification table.
- the charging fee totaling means calculates a charging fee for each copyright processing association based on the input information, and allocates the above-mentioned ⁇ 400. Specifically, for example, 100 yen for “music” (50 yen X 2.0) is given to the music association, and 300 yen for “movie” (150 yen X 2.0) is used. Distribute the yen to the movie association. Such processing can be performed by the charging fee collecting means holding the association identifier corresponding to the type of the content, and calculating the copyright fee to be given to the association identifier based on the correspondence. However, the amount of copyright fees to which organizations may be determined by other algorithms. In addition, although the copyright processing association identifier shown in Fig.
- the Copyright Processing Association identifier is an identifier that indicates any organization or individual that manages copyright, and its name does not matter.
- Figure 22 shows that there is no copyright processing level.
- the content type and usage period information (8 bits in total) in Fig. 22 can correspond to the copyright processing level in Fig. 4.
- the copyright processing level is information indicating what content can be recorded, and its name does not matter.
- the charging fee totaling means calculates the copyright fee given to each copyright processing association identifier.
- the charging fee aggregation means records the copyright fee given to each copyright processing association identifier on a recording medium (not shown) in association with the copyright processing association identifier.
- the processing result generation unit receives the above processing and generates, for example, the result information shown in FIG. According to FIG. 26, the content types that can be recorded are “music” and “movie”, the start date of use is “200 222”, the usage period is “one year”, and the user The copyright fee paid by the company is "400 yen”.
- the processing result transmitting unit transmits the result information of FIG.
- the recording device interprets the information in FIG. 26 and records it on the recording medium as copyright processing information. Also, the recording device interprets the information in FIG. 26 and outputs a processing result panel as shown in FIG. 27, which is a panel for presenting the processing result to the user.
- the data structure and format of the result information shown in Fig. 26 may be anything.
- the technique for interpreting information as shown in Fig. 26 is possible with existing techniques such as ordinary lexical analysis and syntax analysis, and therefore, description thereof is omitted.
- the processing result generation unit generates the result information shown in FIG. 28 when the personal authentication as shown in the flowchart of FIG. 19 described above results in an error.
- the value corresponding to ⁇ content type> is the error code.
- the processing result transmission unit 28 Send the processing result of 8 to the recording device.
- the recording device stores a message corresponding to the error code, and displays an error message corresponding to the error code.
- An example of this error message is shown in Figure 29. In other words, the message corresponding to error code "1-1" is "Your ID has not been registered.”
- charging processing when copyright processing is performed can be performed.
- appropriate accounting can be performed by performing accounting according to the level of copyright processing.
- fair copyright processing can be performed for each organization, which can contribute to copyright protection.
- the charging fee determining means and the charging fee totaling means included in the charging processing unit in FIG. 18 are not essential, and the charging processing unit may perform some kind of charging processing. That is, the above-described embodiment is merely an example. This is the same in other embodiments.
- the processing result generation unit and the processing result transmission unit are not essential, and the transmission of the processing result to the recording device may be performed by another device.
- the format of the input information described above is one embodiment, and it is needless to say that the present invention is not limited to the above-described structure.
- the copyright processing information is recorded in advance on the recording medium, and whether or not to copy the content is determined based on the copyright processing information. Protection is achieved. In addition, by ensuring that copyright fees are collected through manufacturers and sellers of recording media, and by conducting appropriate accounting, fair copyright Protection is achieved.
- the right processing of the copyrighted work is performed not by the distributor but in another process, and can be processed by a huge number of copyright holders. It provides a way. Industrial applicability
- the present invention relates to a recording device and a recording medium for copyright protection, and obtains copyright processing information, which is information on copyright processing recorded on a recording medium, based on the copyright processing information. It is intended to provide a recording device for judging whether or not to record the content by using the recording device.
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Storage Device Security (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
- Management Or Editing Of Information On Record Carriers (AREA)
- Television Signal Processing For Recording (AREA)
Description
Claims
Priority Applications (3)
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EP20030734882 EP1471523A1 (en) | 2002-01-31 | 2003-01-30 | Recording apparatus and recording medium |
KR1020047011919A KR100623033B1 (ko) | 2002-01-31 | 2003-01-30 | 기록 장치 및 기록 매체 |
US10/502,225 US20050091523A1 (en) | 2002-01-31 | 2003-01-30 | Recording apparatus and recording medium |
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JP2002-23060 | 2002-01-31 | ||
JP2002023060 | 2002-01-31 | ||
JP2002-56981 | 2002-03-04 | ||
JP2002056981A JP2003296197A (ja) | 2002-01-31 | 2002-03-04 | 記録装置、記録媒体および課金処理装置 |
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WO2003065366A1 true WO2003065366A1 (fr) | 2003-08-07 |
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US (1) | US20050091523A1 (ja) |
EP (1) | EP1471523A1 (ja) |
JP (1) | JP2003296197A (ja) |
KR (1) | KR100623033B1 (ja) |
CN (1) | CN1625775A (ja) |
WO (1) | WO2003065366A1 (ja) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH10164554A (ja) * | 1996-11-29 | 1998-06-19 | Canon Inc | サーバ及びクライアント及び制御方法及び記憶媒体 |
JPH10222931A (ja) * | 1997-01-31 | 1998-08-21 | Victor Co Of Japan Ltd | 不法行為防止方法及び不法行為防止装置 |
JP2000175188A (ja) * | 1998-12-01 | 2000-06-23 | Victor Co Of Japan Ltd | 情報記録装置 |
JP2001035081A (ja) * | 1994-07-19 | 2001-02-09 | Matsushita Electric Ind Co Ltd | 記録媒体と課金方法 |
JP2001343974A (ja) * | 2000-05-30 | 2001-12-14 | Music Gate Inc | 電子透かし作成方法及び記録媒体 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2000007329A1 (fr) * | 1998-07-30 | 2000-02-10 | Sony Corporation | Systeme de traitement de contenu |
WO2000063905A1 (fr) * | 1999-04-16 | 2000-10-26 | Sony Corporation | Systeme de traitement de donnees, procede de traitement de donnees et processeur de donnees |
-
2002
- 2002-03-04 JP JP2002056981A patent/JP2003296197A/ja active Pending
-
2003
- 2003-01-30 US US10/502,225 patent/US20050091523A1/en not_active Abandoned
- 2003-01-30 KR KR1020047011919A patent/KR100623033B1/ko not_active IP Right Cessation
- 2003-01-30 CN CNA038031019A patent/CN1625775A/zh active Pending
- 2003-01-30 WO PCT/JP2003/000879 patent/WO2003065366A1/ja active Application Filing
- 2003-01-30 EP EP20030734882 patent/EP1471523A1/en not_active Withdrawn
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2001035081A (ja) * | 1994-07-19 | 2001-02-09 | Matsushita Electric Ind Co Ltd | 記録媒体と課金方法 |
JPH10164554A (ja) * | 1996-11-29 | 1998-06-19 | Canon Inc | サーバ及びクライアント及び制御方法及び記憶媒体 |
JPH10222931A (ja) * | 1997-01-31 | 1998-08-21 | Victor Co Of Japan Ltd | 不法行為防止方法及び不法行為防止装置 |
JP2000175188A (ja) * | 1998-12-01 | 2000-06-23 | Victor Co Of Japan Ltd | 情報記録装置 |
JP2001343974A (ja) * | 2000-05-30 | 2001-12-14 | Music Gate Inc | 電子透かし作成方法及び記録媒体 |
Also Published As
Publication number | Publication date |
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KR100623033B1 (ko) | 2006-09-13 |
EP1471523A1 (en) | 2004-10-27 |
CN1625775A (zh) | 2005-06-08 |
US20050091523A1 (en) | 2005-04-28 |
KR20040077929A (ko) | 2004-09-07 |
JP2003296197A (ja) | 2003-10-17 |
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