WO1999060569A1 - Appareil d'enregistrement / reproduction, procede de reproduction de donnees et procede d'enregistrement/reproduction de donnees - Google Patents
Appareil d'enregistrement / reproduction, procede de reproduction de donnees et procede d'enregistrement/reproduction de donnees Download PDFInfo
- Publication number
- WO1999060569A1 WO1999060569A1 PCT/JP1999/002602 JP9902602W WO9960569A1 WO 1999060569 A1 WO1999060569 A1 WO 1999060569A1 JP 9902602 W JP9902602 W JP 9902602W WO 9960569 A1 WO9960569 A1 WO 9960569A1
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- WIPO (PCT)
- Prior art keywords
- data
- recording
- reproducing
- unit
- storage unit
- Prior art date
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q20/00—Payment architectures, schemes or protocols
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/08—Payment architectures
- G06Q20/12—Payment architectures specially adapted for electronic shopping systems
- G06Q20/123—Shopping for digital content
-
- 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
-
- 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
- G11B20/00572—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which change the format of the recording medium
- G11B20/00615—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which change the format of the recording medium said format change concerning the logical format of the recording medium, e.g. the structure of sectors, blocks, or frames
- G11B20/0063—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which change the format of the recording medium said format change concerning the logical format of the recording medium, e.g. the structure of sectors, blocks, or frames wherein the modification to the logical format mainly concerns management data, e.g., by changing the format of the TOC or the subcode
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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
- G11B20/00681—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which prevent a specific kind of data access
- G11B20/00695—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which prevent a specific kind of data access said measures preventing that data are read from the recording medium
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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
-
- 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
- G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
- G11B20/1217—Formatting, e.g. arrangement of data block or words on the record carriers on discs
- G11B2020/1259—Formatting, e.g. arrangement of data block or words on the record carriers on discs with ROM/RAM areas
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- G11B2220/20—Disc-shaped record carriers
- G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
- G11B2220/2525—Magneto-optical [MO] discs
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- G11B2220/20—Disc-shaped record carriers
- G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
- G11B2220/2537—Optical discs
Definitions
- the present invention relates to a recording / reproducing device, a data reproducing method, and a data recording / reproducing method.
- the present invention relates to a data recording / reproducing apparatus for reproducing data based on a signal for reproducing data, a data reproducing method, and a data recording / reproducing method.
- a music distribution server is provided on the network, and a user can connect to the music distribution server and download a desired music file from the music distribution server.
- a music distribution system is being considered.
- a music distribution server is provided on a computer network such as the Internet. Many music data are stored in the music distribution server.
- the music distribution server stores not only music data but also various information related to music, such as artist names and lyrics, latest hit song information, new song information, and the like as related information accompanying the music data. May be.
- the user's terminal device is connected to the music distribution server via a computer network.
- various music is transmitted from the music distribution server to the user's terminal device.
- Data and related information accompanying the music data are sent. The user can obtain the latest hit song information and new song information from the music data and related information sent from the music distribution server.
- the music distribution server sends list information of downloadable music to the user terminal device, and the transmitted list information is displayed on the display of the user terminal device.
- the user looks at the displayed list information, and if there is a song that the user wants to purchase, specifies the song from the list information and outputs a download command to the music distribution server.
- the music data corresponding to the download command transmitted from the music distribution server to the user terminal device is transmitted.
- the user terminal receives the music data corresponding to the download command sent from the music distribution server, and saves the received music data to a storage device such as an optical disk capable of recording the received music data.
- the maximum amount of data stored on a single compact disc is 640 MB, and music data equivalent to this single compact disc can be stored using an ISDN line. Even if transmission is performed at 28 kbps, it takes more than 10 hours to complete the transmission.
- a compression method used for a recordable optical disk having a diameter of 64 for example, a modified DCT (Modified Discreat Cosine Transform) disclosed in Japanese Unexamined Patent Publication No. Hei. 3-139239 / 1991 or No. 3-139922. Even if the data on the compact disc described above is compressed to approximately 4.5 times and transmitted, it takes more than two hours to complete the data transmission. When trying to realize a music distribution service, the length of data transmission time becomes a problem.
- the music distribution server side registers the user and recognizes the user, recognizes the music data downloaded by the user, bills the user, and determines whether the billing is completed.
- Various processes such as confirmation of the situation will be required.
- the time required for receiving the download command at the music distribution server, actually distributing the music data, and downloading the music data at the user's terminal device becomes longer.
- an object of the present invention is to provide a recording / reproducing apparatus, a data reproducing method, and a data recording / reproducing method capable of reducing the data transfer time. Another object of the present invention is to provide a smooth accounting process. It is an object of the present invention to provide a recording / reproducing apparatus, a data reproducing method, and a data recording / reproducing method which can be performed. Disclosure of the invention
- the present invention provides a storage unit in which at least one data is stored, a recording / reproducing unit that writes data to the storage unit, and reads and reproduces data stored in the storage unit.
- a signal generation unit for generating a permission signal for permitting reproduction of the data stored in the storage unit by the recording and reproduction unit
- the present invention has a storage unit for storing at least one data, a recording / reproducing unit for writing data to the storage unit and reading and reproducing data stored in the storage unit,
- a server device having a signal generation unit for generating a permission signal for permitting reproduction of data stored in the storage unit by the recording and reproduction unit,
- the recording / reproducing unit reproduces the data stored in the storage unit. It is a device.
- the data when reading out and playing back data from a storage section of a terminal device in which at least one data and an inventory data relating to the data are stored, the data to be reproduced by the terminal device on the server device side. Request transmission of the inventory data corresponding to the evening,
- the server transmits inventory data corresponding to the data to be reproduced on the terminal device based on the transmission request transmitted from the terminal device, and the terminal device stores the inventory data based on the inventory data transmitted from the server device. Rewrites the catalog data stored in
- the terminal device is a data reproduction method for reproducing data stored in a storage unit based on rewritten inventory data.
- the terminal when a terminal device having a storage unit for storing at least one data and charging data corresponding to a day is connected to the charging processing device, the terminal reads the charging data stored in the storage unit,
- the read billing data is transmitted to a server connected to the billing processing device via a communication network to perform billing processing.
- At least one data and a billing data representing billing information of the data are stored in a second storage unit of the terminal device, wherein at least one data is stored in the second storage unit of the terminal device.
- the billing data stored in the storage unit is read out
- the read billing data is sent to a server device connected to the billing device via a communication network to perform billing processing.
- the terminal device is a data recording / reproducing method capable of reproducing data stored in a storage unit after a charging process between a charging processing device and a server device is completed.
- the disc Although the music data itself is recorded, the disc is incompletely used for the TOC data on this disc. If the TOC data is incomplete, the music data on this disc cannot be played. When a disc is reproduced, the data in T ⁇ C is rewritten by communication so that the data can be reproduced.
- FIG. 1A, FIG. 1B and FIG. 1C are cross-sectional views used to explain the disc.
- FIG. 2 is a block diagram of an example of the recording / reproducing apparatus.
- FIG. 3 is a schematic diagram used for explaining U_TOC data used in a disc recording / reproducing apparatus.
- FIG. 4 is a schematic diagram used for explaining U-TOC data used in a disk recording / reproducing apparatus.
- FIG. 5 is a schematic diagram used for explaining U-TOC data used in a disk recording / reproducing apparatus.
- FIG. 6 is a block diagram of an example of a system to which the present invention is applied.
- FIG. 7 is a flowchart used to explain an example of a system to which the present invention is applied.
- FIG. 1A, FIG. 1B and FIG. 1C are cross-sectional views used to explain the disc.
- FIG. 2 is a block diagram of an example of the recording / reproducing apparatus.
- FIG. 3 is a schematic diagram used for explaining
- FIG. 8 is a flowchart for explaining an example of a system to which the present invention is applied.
- 9A and 9B are block diagrams of another example of the system to which the present invention is applied.
- FIG. 10 is a schematic diagram used for explaining another example of the system to which the present invention is applied.
- FIG. 11 is a functional block diagram for explaining a portable terminal device in another example of the system to which the present invention is applied.
- FIG. 12 is a functional block diagram for explaining an information vending machine in another example of the system to which the present invention is applied.
- FIG. 13 is a functional block diagram for explaining a billing processor in another example of a system to which the present invention is applied.
- FIG. 14 is a flowchart used to explain another example of the system to which the present invention is applied.
- FIG. 16 is a block diagram showing a configuration of a portable terminal in another example of the system to which the present invention is applied.
- the disk records or reproduces music data on an optical disk or a magneto-optical disk having a diameter of 64 mm stored in a disk cartridge.
- the 64 mm diameter optical disc has a read-only disc as shown in Fig. 1A, a recording and reproducing disc as shown in Fig. 1B, and a read-only recording area as shown in Fig. 1C.
- the entire recording area is a read-only area in which information is recorded in the form of pits.
- TOC Table Of Contents
- a TOC area where the data is recorded is provided, and the outside of the TOC area is the program area where the data is recorded in pit form
- a read area is provided on the outer peripheral side of the program area.
- the innermost lead-in area is a read-only area in which information is recorded in the form of pits.
- Dedicated TOC hereinafter P-TOO is recorded as data.
- P— The outer side is a recording / reproducing area in which information can be recorded or reproduced.
- U-TOC area for recording TOC hereinafter referred to as U-TOC
- a program area for recording or reproducing data is provided on the outer periphery of the U-TOC area.
- a lead-out area is provided on the outer peripheral side of the vehicle.
- a magneto-optical recording layer is provided so as to cover at least the recording / reproducing area of the recording / reproducing disk.
- the inner periphery of the hybrid disc is a read-only area in which information is recorded in the form of pits. Is provided with a program area exclusively for playback.
- the outer periphery of the read-only area is a recording / reproducing area in which information can be recorded or reproduced, and the inner periphery of the recording / reproducing area has a U for managing data recorded in a program area described later in the recording / reproducing area.
- a U-TOC area for recording TOC data is provided, a program area for recording or reproducing data is provided outside the U-TOC area, and a lead-out area is provided outside the program area.
- a magneto-optical recording layer is provided so as to cover the recording / reproducing area of the hybrid disk.
- FIG. 2 is a block diagram showing a configuration of a recording / reproducing apparatus 10 for recording / reproducing the above-described optical disc.
- the optical disk 11B is housed in a disk cartridge 11A.
- Fig. 1C three types of discs
- the optical disk 11B contains Thus, a P-TOC data recording area is provided in the inner read-in area, and a data management area in which the U-TOC data is recorded is provided in the inner circumference of the recording / reproducing area.
- the optical disk 11 B is driven to rotate by the spindle motor 12 of the recording / reproducing device 10 under the control of the servo circuit 18.
- An optical head 13 is provided in the device 10 so as to be movable in the radial direction of the optical disk 11B, facing the optical disk 11B.
- the optical head 13 outputs a high-level laser beam for heating the magneto-optical recording layer in the recording / reproducing area of the optical disk 11 B to the Curie temperature during recording, and a magnetic card for reproducing the optical disk 11 B. Due to the effect, a relatively low-level laser for detecting data from the reflected light from the magneto-optical recording layer is output.
- the optical head 13 is equipped with a laser diode for outputting a laser beam, an optical system including a polarizing beam splitter objective lens, and a detector (not shown) for detecting reflected light. .
- the objective lens (not shown) in the optical head 13 is held by an actuator (not shown) so as to be displaceable in a tracking direction in a radial direction of the disk and a focusing direction in a direction of coming and going to the disk. I have.
- the apparatus 10 is provided with a magnetic head 14 facing the optical head 13 via the optical disk 11B.
- the magnetic head 14 applies a vertical magnetic field modulated by data during recording to the optical disk 11B.
- the entire optical head 13 and the magnetic head 14 are connected to each other, and can be moved in the radial direction of the optical disk 11 B by the feed mechanism 15.
- the output direction from the optical head 13 that has detected the reflected light from the optical disk 11 B is supplied to the RF amplifier 16.
- the RF amplifier 16 performs arithmetic processing on the output signal of the optical head 13 detector to generate a reproduced RF signal, tracking error signal, focus error signal, and address information. Are extracted.
- the reproduced RF signal is supplied to an EFM (Eight To Fourteen Modulation) and error correction encoder / decoder 17.
- the tracking error signal and the focus error signal from the RF amplifier 16 are supplied to a servo circuit 18, and the address information is supplied to an address decoder 19 to be decoded and output as an absolute position address
- the servo circuit 18 generates various support drive signals according to a tracking error signal, a focus error signal, a track jump command and a seek command from the system controller 20, and the optical head 13 has a function unit.
- the focus and tracking control is performed by controlling the overnight and the thread mechanism 15.
- the overall operation of the recording / reproducing apparatus is controlled by the system controller 20.
- An input is given to the system controller 20 from the operation keys 21.
- the operation keys 21 include a plurality of keys such as a play key, a stop key, an FF key, a REW key, and a record key.
- the display operation of the display unit 22 is controlled by the system controller 20.
- the display unit 22 displays time information such as the total playing time of the loaded optical disc 1 1B, the elapsed time of the currently playing song, the remaining playing time of the currently playing song, and the remaining playing time of the entire song.
- the track number of the song is displayed.
- the display unit 22 displays the disk name or the track name. If the recording date and time of the song or disc is recorded, the recording date and time is displayed on the display unit 22.
- an analog audio signal is supplied to the input terminal 25.
- This analog audio signal is supplied to the A / D converter 26, and the A / D converter 26 converts the analog audio signal into, for example, a sampler.
- the digitized audio signal output from the AZD converter 26 is supplied to the audio compression encoder / decoder 27.
- the audio compression encoder Deco Night 27 compresses the digital audio signal supplied by the modified DCT described above. With the audio compression encoder Deco 27, the digital audio signal is compressed to approximately 1-5 audio.
- the audio data output from the audio compression encoder / decoder 27 is temporarily stored in the RAM 29 under the control of the memory controller 28.
- the output of the RAM 29 is supplied to an encoder / decoder 17 for EFM and error correction processing.
- the audio data read from the RAM 29 is subjected to error correction code processing by the encoder / decoder 17 for EFM and error correction processing, and the data with the error correction code added is EFM modulated. You.
- the recording data of the EFM and the error correction encoder / decoder 17 are supplied to the magnetic head 14 via the magnetic head drive circuit 30.
- the magnetic head drive circuit 30 supplies a magnetic head drive signal to the magnetic head 14 according to the recording data supplied from the encoder 17. That is, a perpendicular magnetic field modulated based on the recording data is applied from the magnetic head 14 to the optical disk 11B. At this time, a recording level laser beam is output from the optical head 13. As a result, data from the magnetic head 14 is recorded on the optical disk 11B.
- Recording of data on the optical disk 11B is performed in cluster units.
- One class has 36 sectors, and one sector (corresponding to one subcode block of a compact disc) is a 5.5 sound group.
- Real one 32 sectors in the class evening are valid nights.
- the remaining four sectors are used as linking areas to match the rising of the magnetic field of the magnetic head at the start of recording and the laser power control.
- a laser beam at a reproduction level is irradiated by the optical head 13, and the reflected light from the optical disk 11 B is received and detected by the detector of the optical head 13, and recorded on the optical disk 11 B.
- the read data is read.
- the output signal from the detector of the optical head 13 is supplied to the RF amplifier 16, from which the reproduced RF signal, the tracking error signal, and the focus error signal are obtained as described above.
- This reproduced RF signal is supplied to the EFM and encoder / decoder 17 for error correction processing.
- An EFM and error correction encoder / decoder 17 performs an EFM demodulation process and an error correction process based on an error correction code on the reproduced RF signal.
- the output of the EFM and error correction encoder / decoder 17 is once written to the RAM 29 under the control of the memory controller 28.
- the reading of data from the optical disk 11 B by the optical head 13 and the transfer of data in the system from the optical head 13 to the RAM 29 are 1.4 Mbit / sec, of course, intermittent. Done in
- the data written in the RAM 29 is read out at a timing when the transfer of the reproduction data is 0.3 Mbit Zsec, and is supplied to the audio compression encoder Z decoding 27.
- the reproduction data read from the RAM 29 is subjected to expansion processing opposite to the compression processing by the modified DCT.
- the digital audio signal as an output decoded by the audio compression encoder / decoder 27 is supplied to the DZA converter 31.
- DZA Comparator 31 1 Supplied from encoder Z decoder 27 Digital audio signals are converted to analog audio signals
- the analog audio signal output from the DZA converter 31 is output from the output terminal 22.
- the audio compression encoder / decoder 27 is connected to a digital audio interface 34. By using this digital audio interface 34, it is possible to directly input and output digital audio signals.
- writing and reading of data to and from the RAM 29 are performed by specifying an address by the memory controller 28 and controlling the write pointer and the read pointer, and the write pointer is set at a timing of 1.41MbitZs ec.
- the read pointer is incremented by 0.3 Mbit / sec in the evening. Due to the difference between the write and read bit rates, a state is reached in which some data is stored in the RAM 39.
- the ink-linking operation at the write time is stopped, and the operation of reading data from the optical disk 11B by the optical head 13 is also stopped.
- the read pointer is continuously incremented, the digital audio signal output from the analog audio signal interface 34 output from the output terminal 22 is not interrupted.
- the optical disc 11B is provided with a U-TOC area in which U-TOC data for managing user data is recorded.
- U-TOC data for managing user data is recorded.
- sector 0 of the U-TOC data in the U-TOC area basic information and the address and end address of each song are recorded.
- FIG. 3 shows the configuration of U-TOC data sector 0.
- the U-TOC data sector 0 is provided with a header having a predetermined bit pattern at the beginning. Following the header, in a predetermined address position, a message code (Makercode), a motel code (Mode 1 code), the music number of the first song as music data (First TN ⁇ ), and a music data The last track number (LAST TNO), sector usage (Used Sectors), disk serial number (Disc Serial No), and disk ID (Disc ID) data are recorded.
- a message code (Makercode)
- Mode 1 code the music number of the first song as music data
- LAST TNO last track number
- Sector usage Usersed Sectors
- Disc Serial No disk serial number
- Disc ID disk ID
- the area where the music is recorded by the user and the free area in which the music data can be recorded are recorded.
- Various table pointers indicating information such as areas are recorded.
- the start address as the starting point of the parts constituting the music data corresponding to the table pointer, the end address as the ending point, and the mode information (track) Mode) is recorded.
- the start address of the connected parts may be connected to other parts, the start address of the connected parts
- Link information indicating the position of the parts table in which the end address is recorded is recorded.
- the table pointer P—DFA is a pointer that points to the position of the first part table of the defective area when there is a defective area in the recording / reproducing area of the optical disk 11B.
- the start and end addresses of the part where the defect exists are indicated in the table at the position indicated by the table bore P-DFA.
- the position of the parts table is indicated by the link information (Link-P). If there is no other defective part, the link information (Link-P) is set to, for example, (00h), and there is no link thereafter.
- the table pointer P—EMP TY is a pointer that points to the position of the head of the unused parts table.
- Table Boy P-The start and end addresses of the unused area are indicated in the parts table specified by EMPTY. Further, when there are a plurality of unused part tables, the position of the part table is sequentially specified by the link information (Link-P). When there is no other unused area, the link information (Link-P) is, for example, (0h), and there is no link thereafter.
- Table pointer P—FRA is a pointer that points to the position of the parts table at the head of the writable free area (including the erasure area).
- the link information (Link-P) is used to sequentially perform the table Is specified. If there is no other free area, the link information (Link-P) is set to (00h), for example, and there is no link thereafter.
- Table pointers P—TN01 to P—TN0255 are pointers that indicate the position of the leading parts table for each song recorded by the user. That is, the table pointer P-TN ⁇ 1 points to the position of the parts table where the start and end addresses of the data of the music piece set as the first music piece are recorded, and the table bore P-TN02 is set to the second music piece. Indicates the position of the parts table where the start and end addresses of the song that was recorded are recorded, and Table Pointer P-TN No. 3 records the start and end addresses of the data of the third song. Indicates the position of the parts table.
- the data of one music piece may be recorded physically discontinuously, that is, over a plurality of parts dispersed or dispersed in the recording / reproducing area of the optical disk 11B.
- the position of the parts table is sequentially indicated by the link information (Link-P).
- the link information (Link-P) is set to, for example, (00h), and there is no part table linked thereafter.
- FIG. 4 shows the configuration of sector 1 of the U-TOC data.
- a header having a predetermined bit pattern is provided similarly to the sector 0 of the U-TOC data described above.
- Table Boyne P—EMP TY is a pointer to the position of the unused parts table.
- the slot indicated by the table pointer P—EMP TY contains link information Link—P. This Link-P points to the first position of the next unused table.
- the table pointers P— TNA 1, P— TNA 2,... are table pointers that indicate the position where the track name of each track is written. At the position indicated by the table pointers P-TNA1, P-TNA2,..., The disc name or track name serving as the starting point of the corresponding part is recorded. Since the parts shown in each part table may be connected to other parts in succession, link information (Link) indicating the position of the parts table where the disc name or track name of the connected parts is recorded — P) is recorded.
- Link information indicating the position of the parts table where the disc name or track name of the connected parts is recorded — P
- Fig. 5 shows the configuration of U-TOC sector 2.
- the U-TOC sector 2 is provided with a header having a predetermined bit pattern in the same manner as in the above-described U-TOC sector 0 and sector 1.
- a table pointer P—EMPTY and table pointers P—TRD 1, P—TRD 2,... are provided.
- Table Boyne P—EMP TY is a pointer to the position of the unused parts table.
- the slot indicated by the table pointer P—EMP TY contains link information Link—P, which points to the first position of the next unused parts table. It is.
- the table pointers P-TRD1, P-TRD2, ... are table pointers that indicate the positions where the recording date / time and recording time of each track are written. At the positions indicated by the table pointers P—TRD 1, P—TRD 2,..., The recording date and time as the starting point of the corresponding part, the manufacturer code, and the model code are recorded. Further Since the parts shown in each parts table may be connected to other parts in succession, the recording date and time of the connected parts, the manufacturer table, and the parts table where the code and model code are recorded The link information (Link-P) indicating the position of is recorded.
- Link information Link information
- the information of each track of the U-TOC data includes information called Link-P.
- This link—P indicates the location of the next track in sector 0 of U—TOC data, and the sector name of the music data in sector 1 of U—TOC data Indicates the next connection, and sector 2 of the U-TOC data indicates where the recording date / time and recording time of the music piece of the music data will be connected next. This makes it easy to erase songs, merge two songs into one, or later increase the number of characters in a track name.
- FIG. 6 shows an example of a system to which the present invention is applied.
- This system provides and implements a service that distributes advertising discs and, if the user likes the music recorded on the advertising disc, the user purchases music data corresponding to the music. is there.
- a disc 51 is an optical disc distributed, for example, for introducing a new song.
- a recording / reproducing disc shown in FIG. 1B or a hybrid disc shown in FIG. 1C is used.
- Can be Music data is recorded in the program area of the disk 51.
- TOC data as described above is recorded in accordance with the recorded music data, but in the example described in FIG.
- the music data is correctly recorded in 51, but the TOC data is incompletely recorded.
- TOC data may prevent access to all songs, Make sure that only the songs can be accessed. In this way, if the TOC data of the disc 51 is incompletely recorded, even if the music data is recorded on another recordable optical disc, the TOC data is incompletely recorded because the TOC data is incomplete.
- Music data that is, music, cannot be reproduced.
- the recording / reproducing device 5 3 is connected to the terminal device 52 of the user.
- the disc 51 is mounted on the recording / reproducing device 53.
- the recording / reproducing apparatus 53 has the same configuration as the recording / reproducing apparatus 10 shown in FIG.
- the user's terminal device 52 is composed of, for example, a personal computer.
- the user's terminal device 52 communicates with the server 55 and is an application for rewriting the TOC data of the disk 51.
- One program has been installed.
- the server 55 is a server of the information center to which the disks 51 are distributed.
- the server 55 includes a TOC data base 56 in which a plurality of TOC data corresponding to music data of a plurality of distributed disks is stored.
- the user terminal device 52 When the application program of the user terminal device 52 is executed, the user terminal device 52 is connected to the server 55 via the communication network 54.
- the T ⁇ C data corresponding to the disc 51 loaded in the recording / reproducing device 53 is read from the server 55, and the read TOC data is transmitted via the communication network 54 to the user's terminal device. 5 Sent to 2. This sent Based on the received TOC data, the TOC data of the disk 51 loaded in the device 53 is rewritten.
- the music data recorded on the disc 51 can be reproduced by rewriting the TOC data on the disc 51 with complete TOC data.
- a hybrid type disc as shown in FIG. 1C is used as the disc 51, and a prerecorded music data is recorded in a reproduction-only area of the hybrid disc. This prevents music data from being accidentally overwritten by other music data and lost.
- a second TC area in which original data different from the TOC data described above is recorded in the disc 51 is provided in, for example, a read-only area, and the second TOC area is used as an auxiliary. Identifies the disk 51 loaded in the device 53 by using the server 51 to acquire music data as information of music recorded on the disk 51, and to send TOC data corresponding to the music data to the server 53, for example. It is easy to search on the side.
- the management number of the disk 51 is recorded in the second TOC described above.
- the management number recorded in the second TOC of the disc 51 is a unique management number for identifying the disc 51.
- the management number of the disk 51 is transmitted to the server 55, and the server 51 identifies the disk 51 based on the transmitted management number, and this disk 51 is identified.
- the information such as the number of songs, the order of the songs, the titles, etc. of the music data recorded in step 51 is retrieved from the TOC database 56.
- the user selects the music data to be purchased.
- a TOC data for enabling reproduction of the selected music data is transmitted from the server 55 to the user's terminal device 32, and the transmitted data is transmitted.
- the TOC data is received by the user's terminal device 32 and recorded as U-TOC data on the disk 51 loaded in the device 53.
- the recording / reproducing device 53 and the user's terminal device 52 may be connected by wire using a connection cable or the like, or may be connected wirelessly using infrared rays or the like.
- As the communication network 54 not only a wired communication network such as an ISDN, but also a wireless communication network may be used.
- FIG. 7 is a flowchart showing a rewriting process of the U-TOC data when the management number of the disc 51 is recorded in the second TOC area.
- the disk 51 is mounted on the recording / reproducing device 53 connected to the user's terminal device 52 (step S 1).
- the application program of the user terminal device 52 is started.
- the terminal device 52 of the user can exchange data connected with the server 55 via the communication network 54 (step S2).
- the user terminal device 52 gives the recording / reproducing device 53 an instruction to load the data recorded in the second TOC area.
- the recording / reproducing device 53 receives the load command of the data recorded in the second TOC area from the terminal device 52, the recording / reproducing device 53 accesses the second TOC area of the disk 51 mounted on the device 53. Then, read the data in the second TOC area. As described above, the disc management number is recorded in the second TOC area.
- a user The terminal device 52 loads or reads the data read from the area of the second TOC (step S3).
- the data in the second TOC area is sent from the user's terminal device 52 to the server 55, and the server 55 uses the management number of the disk 51 in the transmitted data in the second TOC area as a response.
- the information such as the number of songs, the order of songs, and the titles of the discs 51 to be transmitted is transmitted to the user terminal device 52 via the communication network 54.
- the user's terminal device 52 displays the number of songs, the order of the songs, the title of the song, etc. on the display unit of the device 52 or the display unit of the recording / reproducing device 53. Is selected by operating the operation unit of the device 52 based on the content displayed on the display unit (step S4).
- An accounting process for purchased music data is performed between the server 55 and the terminal device 52.
- a method of charging it is conceivable that a prepaid card or electronic money is used to reduce the amount of money or transfer to a designated account according to the purchased music data, or to pay using a credit card (step S). 6).
- the user terminal 52 sends the received U-TOC data to the recording / reproducing device 53.
- the recording / reproducing device 53 records the received U-TOC data on the disk 51 or rewrites the recorded U-TOC data. This allows music data purchased by the user to be Then, the music can be played back (step S8).
- the received U-TOC data is input through the interface of the device 53, temporarily stored in the RAM, and then the optical head and the magnetic head are transferred to the U-TOC area of the disk 51. Is accessed and the U-TOC data is rewritten. The rewriting of the U-TOC data may be performed each time the music data is purchased, but may be performed when the disc 51 is ejected from the device 53. It should be noted that the U-TOC data transmitted from the server 55 may be the minimum U-TC data required to reproduce the music data to be purchased.
- the TOC data of the purchased songs can be stored on the server 55. Reading from database 56 and copying it to U—TOC will improve it.
- FIG. 8 is a flowchart showing a process of rewriting U-TOC data in the case where information relating to all the songs of the songs pre-recorded on the disk 51 in the second TOC area, for example, information such as song names, is registered .
- the disc 51 is mounted on the recording / reproducing device 53 connected to the user's terminal device 52 (step S11).
- the application program of the user terminal device 52 is started.
- the user's terminal device 52 is connected to the server 55 via the communication network 54, and can exchange data (step S12).
- the user's terminal device 52 gives the recording / reproducing device 53 a load command for the overnight data recorded in the second TOC area.
- the recording / reproducing device 53 receives a load instruction of the data recorded in the second TOC area
- the recording / reproducing device 53 accesses the second TOC area of the disc 51 mounted on the device 53, and reads the optical head. Read data recorded in the 2nd TOC area using .
- the second T ⁇ C area information such as the titles of all the songs recorded on the disc 51 is recorded, so if the data recorded in the second TOC area is imported, the disc 51 Information such as music titles recorded in advance in the music day is obtained (step S13).
- the user's terminal device 52 Based on the data read from the second TOC area, the user's terminal device 52 displays the number of songs, the order of the songs, the title of the songs, etc. on the display unit of the device 52 or the device 53.
- the desired music data is selected according to the contents displayed on the display unit (step S14).
- the terminal device 52 of this user uses the U-TO to enable the playback of the purchased music data based on the data read from the second TOC area.
- the data of C is generated by the control unit of the terminal device 52, for example.
- An accounting process for purchased music data is performed between the server 55 and the terminal device 52.
- the charging method it is conceivable to use a prepaid card, electronic money, or a credit card as in step 56 described above (step S16).
- the user terminal device 52 sends the generated U-TOC data to the recording / reproducing device 53 (step S17).
- the recording / reproducing device 53 records the U-TOC data supplied from the terminal device 53 in the U-TOC area of the disk 51.
- the U—TOC data of the disc 51 is rewritten so that the music data as the music purchased by the user can be played, and the music purchased by the user can be played (step S18). .
- the U-TOC data recorded on the disc in advance is regarded as incomplete, music data cannot be played back in that state, and communication between the servers is performed.
- the U-TOC data of the disk is rewritten to complete U-TOc data, and the disc or the desired music, that is, the music data can be reproduced.
- Such a system can be used to build new music disc sales services.
- advertisements have conventionally been carried out on the street or in the mass media.
- the user sees the advertisement and likes the new song, they go to a record store and purchase a new song. You have purchased a compact disc that has been recorded.
- the data supplied from the server that supplies the data from the server is data such as U-TOC data. Since the data of TOC is less than 9 kbyte, including all data, the data download can be completed in a short time.
- FIGS. 9A and 9B show another example of a system to which the present invention is applied.
- the playability of the music data that is stored is determined based on whether the TOC data as the management data of the music data is complete or incomplete. It tries to reduce the data downloaded more.
- whether or not playback of a disc in which music data is recorded in advance is determined based on charging information.
- the server 101 is a server on the information center side that provides services, and the server 101 is located at a user's home or the like via a communication network.
- the charging process is performed based on the information sent from the set charging device 102.
- the server 101 and the accounting processor 102 can be connected via a communication network 103.
- As the communication network 103 a dedicated communication line may be used, or a computer network such as the Internet may be used.
- the portable terminal device 104 records or reproduces music data.
- the portable terminal device 104 includes a hard disk drive that records or reproduces music data, and an audio signal that is recorded or reproduced. It has a circuit for processing.
- the information vending machine 105 is a device for selling music data.
- the information vending machine 105 stores a large number of music data and has a hard disk drive or the like.
- the information vending machine 105 is installed by a service provider at a storefront of a record store or a convenience store, on a street, or the like.
- the user purchases music data desired by the user at the information vending machine 105, saves the music data in the portable terminal device 104, and enjoys playing back the stored and stored music data.
- the user receives the service, the user purchases the portable terminal device 104 and the billing device 102 and communicates with the service provider, that is, the company or the individual who operates the information center. Make a contract between them. When the contract is concluded, it becomes possible to connect the accounting device 102 to the server 101 of the information center managed and operated by the service provider via the communication network 103.
- the user when purchasing music data, the user takes the portable terminal device 104 up to the place where the information vending machine 105 is located, and the portable terminal device. Attach 104 to the information vending machine 105. A large amount of music data is stored in the information vending machine 105. For example, when the terminal device 104 is attached, a list of available music data ⁇ a search screen is displayed on the display of the information vending machine 105. Will be displayed. The user can operate the operation unit of the information vending machine 105 to select music data to be purchased from a plurality of music data stored in the information vending machine 105.
- the information vending machine 105 When the music data to be purchased is determined and the operation unit of the information vending machine 105 is operated, the information vending machine 105, for example, from the hard disk drive of the information vending machine 105 to the portable terminal device 104, The music data designated to be purchased is sent, and the music data transmitted from the information vending machine 105 is recorded on the hard disk drive of the portable terminal device 104.
- This billing process may be performed at the information vending machine 105 simultaneously with or at the time of purchase of the music data. However, if the billing process is performed at the information vending machine 105, the billing process and the download of the music data are performed. It takes a long time to process the information including the information vending machine, which may cause other users who use the information vending machine to wait, or fraud may occur.
- the portable terminal device 104 when charging is performed, the portable terminal device 104 is separately connected to the charging processor 102.
- the billing machine 102 communicates. It is connected to the server 101 via the network 103.
- the accounting processing device 102 is connected to the server 101, and the accounting process is performed according to the number of purchased music data, for example, through the purchased music data via the information vending machine 105.
- the information vending machine 105 only provides music data overnight, and the billing process is performed by the billing processor 102 set at the user's home or the like.
- the data sent from the information vending machine 105 to the portable terminal device 104 includes terminal ID data as information, user ID data for identifying users, content ID data indicating what kind of music data, and charging information.
- the terminal ID data is written to the RAM of the terminal device 104 when the terminal device 104 is shipped from the factory, for example, and the user ID data is written to the RAM when the user purchases the terminal device 104.
- the charging information includes, for example, charging request information and reproduction permission information.
- the charging information includes the reproduction permission information.
- the reproduction permission information is turned off, for example, the flag indicating the reproduction permission is not set. If the reproduction permission information is turned off, the music data loaded into the terminal device 104 cannot be reproduced.
- the portable terminal device 104 is attached to the billing device 102 in each home, and the billing device 102 and the server 101 of the service provider are connected. It is necessary to communicate between and perform accounting processing.
- the reproduction permission information is turned on, for example, a flag indicating reproduction permission is set, and the reproduction of the data by the apparatus 104 is resumed. Being able to live.
- the portable terminal device 104 is directly and mechanically attached to the information vending machine 105.
- the connection between 104 and the information vending machine 105 may be connected by wire or wireless.
- the mobile terminal device 104 and the accounting processor 102 may be connected not only by wire but also by wireless.
- a wireless communication network other than a wired communication network such as an ISDN or a telephone line may be used.
- FIGS. 11 to 13 are functional block diagrams showing the portable terminal device 104, the information vending machine 105, and the charge processing machine 102, respectively.
- FIG. 15 is a flowchart showing a process in a case where the device 104 is connected to the information vending machine 105 and music information from the information vending machine 105 is recorded.
- FIG. 9 is a flowchart showing a process performed when a charging process is performed by attaching the device to the charging device 102.
- the portable terminal device 104 is connected to the information vending machine 105 and the accounting processor 02, and is a communication module for exchanging data with the information vending machine 105.
- 1 2 1 a computing module 1 2 2 composed of a microcomputer and the like to control the operation of the entire device 104, and an information recording module 1 2 3 composed of a hard disk drive and the like in which music data is recorded
- an information reproducing module 124 for performing a reproducing operation of the music data read from the information recording module 123, and a charging recording module 125 for performing a charging process.
- the information vending machine 105 is connected to the mobile terminal device 104 and communicates data with the terminal device.
- a hard disk drive with multiple music files A billing database, comprising an information recording module 13 3 composed of an information recording module, a user interface module 13 4 composed of a display unit for operating buttons operated by the user, and a billing machine 102.
- Module 1 35 As shown in FIG. 13, the billing machine 102 includes a communication module 140 connected to the server 101, a communication module 141 connected to the portable terminal device 104, and The authentication module of the terminal device 104 that performs the authentication process and the operation module 1402 that controls the entire operation of the processor 102 and the data for performing the authentication process of the terminal device 104 are recorded.
- An information recording module 144, a user interface module 144, and an information reproducing module 144 are provided.
- step S21 when the mobile terminal device 104 is attached to the information vending machine 105, the communication module 123 between the communication module 122 of the mobile terminal device 104 and the information vending machine 105 is provided.
- the data communication with 1 becomes possible (step S21).
- the information sales device 105 performs an authentication process to determine whether the portable terminal device 104 is a terminal device capable of receiving services based on terminal ID data and user ID data. Perform in step 2 (step S22). If it is determined that the terminal device cannot receive the service, an error message is displayed on the display unit of the information vending machine 105 or the display unit of the terminal device 104 via the user interface module 134, and the subsequent processing is performed. Interruption (step S23).
- the user When it is determined that the portable terminal device 104 mounted by the information vending machine 105 is a terminal device that can receive the service, the user operates the operation unit of the user interface module 134. For example, using the operation button, purchased music data is selected based on the content displayed on the display unit of the information vending machine 105 (step S24). At this time, the mobile terminal device 104 By comparing the information recorded on the hard disk of the recording module 1 2 3, i.e., the training data with the music data that is to be purchased, it is determined whether the music data that is to be purchased is already recorded information. The judgment is made by the operation module 122 (step 25). If the music data to be purchased in step S25 is already recorded music data, go to step S23, perform error display, and interrupt the processing.
- the selected information is sent to the information vending machine 105 via the communication module 121 and purchased to the portable terminal device 104. Send a command to transfer the music data you are seeking. (Step 26).
- the billing information of the billing record database 135 is sent from the information vending machine 105 to the billing record module 125 of the portable terminal 104.
- the music data supplied from the information vending machine 105 and the billing information are recorded on the hard disk drive of the information recording module 123 of the portable terminal device 104.
- step S31 data can be communicated between the accounting processor 102 and the portable terminal device 104 via the communication module 141 and the communication module 121.
- the charging processor 102 checks whether the mobile terminal 104 is a legitimate terminal that can receive the service. The authentication process is performed using the terminal ID data (step S32), and if it is determined that the terminal device is not a legitimate terminal device, the accounting processor 102 displays an error on the display unit of the accounting device 102. Then, the process ends (step S33).
- the billing module 125 of the portable terminal device 104 sends the terminal device H —Read the accounting information recorded on the hard disk drive, and transfer the read accounting information from the portable terminal device 104 to the accounting processor 102.
- the billing processor 102 checks the transmitted billing information against the billing database of the information recording module 144 of the billing processor 102, and has already been billed. It is checked by the operation module 14 2 whether or not the information has been performed (step S 35).
- step S35 If it is determined in step S35 that charging has not yet been performed, the charging processor 102 connects to the server 101 via the communication module 140 and the communication network 103, and the terminal device 10
- the accounting information read from 4 is transferred to the server 101 via the communication network 103 using the communication module 140.
- the server 101 performs the billing process based on the billing information transmitted from the billing processing device 102 in the same manner as step S6 in FIG. 7 or step S16 in FIG. S36).
- the billing machine 102 sends a billing process notice to the portable terminal device 104, and the portable terminal device 104 sends the billing notice from the billing machine 102.
- step S37 When the charge processing notification is received, the reproduction information of the charge information recorded on the hard disk is turned on, for example, a flag indicating reproduction permission is set (step S37).
- the reproduction permission information is turned on in step S37, the music data recorded on the hard disk of the portable terminal device 104 can be reproduced. That is, music data can be reproduced by the information reproduction module 124. If it is determined in step S35 that charging has already been performed, the process jumps to step S37 to turn on the reproduction permission information of the charging information recorded on the hard disk along with the music data, that is, the reproduction permission is set. Perform the process of setting the indicated flag.
- the charging permission information includes the reproduction permission information, and the reproduction permission information is turned on to permit the reproduction of the music data stored in the portable terminal device.
- the charging information is stored in response to the music data to be played, the music data cannot be reproduced.
- the charging process is performed and the charging process is completed, the charging information is deleted and the music data is deleted.
- the music data may be made reproducible and the music data may be reproducible if the billing information does not exist overnight.
- FIG. 16 shows the configuration of the portable terminal device 104.
- the portable terminal device 104 is provided with an input section 151 composed of push-type and rotary-type keys.
- the input section 151 may be a rotary push-type key called a jog dial, or a touch panel on an LCD crystal display device as a display section.
- an input operation signal for starting and stopping the operation is transmitted, and the operation of the terminal device 104 is set according to the input operation signal.
- an infrared interface driver or a USB (universal serial bus) driver can be used to easily input song titles, artist names, etc. corresponding to music data recorded on the hard disk drive of the terminal device 104.
- a keyboard may be made attachable to the terminal device 104 via the keyboard.
- the portable terminal device 104 can be connected to the information sales device 105 and the billing device 102 via the interfaces 152A and 152B. Data is exchanged with the information vending machine 105 and the billing machine 102 via the interfaces 152A and 152B.
- the portable terminal device 104 is provided with a RAM 155, a ROM 156, and a hard disk drive (HDD) 160.
- a control unit composed of a microcomputer and the like 1 58 controls the operation of the entire portable terminal device 104.
- ROM.156 stores a program for controlling the operation of the control unit 158 in response to an input signal input by operating the input unit 151, and the R AMI 55 stores the control program.
- a temporary storage area and a task area for executing the program by the unit 158 are temporarily secured.
- the ROM 156 stores a program loader, and the program itself can be loaded by the program loader.
- the HDD 160 records music data purchased from the information vending machine 105 and the above-mentioned billing information.
- the terminal ID data described above is stored in the RAM 155 when the terminal device 104 is shipped from the factory, for example, and the user ID data is written when the terminal device 104 is purchased, for example.
- Music data recorded on the HDD 110 is sent from the information vending machine 105 via the interface 152A.
- the music data is compressed by the encoder / decoder 162 as a pre-process for recording the music data on the HDD 160.
- Audio encoding algorithms include ATRAC (trademark), MPEG (moving picture coding experts group), PASC (precision adaptive sub-band coding), Tw in VQ (trademark), Real Audio (trademark), L i Q uid A udio (trademark) or the like can be used.
- the terminal ID data which is information unique to the portable terminal device 104
- the user ID data for identifying the user
- the billing information which indicates whether or not the content ID is the same
- the billing information includes the billing request information and the reproduction permission information.
- the music data encoded by the encoder / decoder 162 is configured to be stored in the HDD 160, The data may be stored in the HDD 160 as it is.
- the analog audio signal input from the microphone 163 is supplied to the AZD converter 166 via the amplifier 164.
- AZD Comparator At 166, the input analog audio signal is converted to a digital signal, and the digital audio signal output from the A / D converter 166 is supplied to the encoder / decoder 162. With the encoder decoder 162, the digital audio signal from the A / D converter 1666 is compressed into audio data by any of the various compression methods described above. In this manner, the analog audio signal input from the microphone 16 3 can be compressed by the encoder / decoder 16 2 and stored in the HDD 16 0.
- the music data or audio data stored in the HDD 160 is sent to the encoder / decoder 162, where the data is subjected to decompression processing to be decoded by the encoder / decoder.
- the music data or digital audio signal expanded by the encoder / decoder 16 is converted to an analog audio signal by the D / A converter 167 and output from the speaker 1 19 via the amplifier 168.
- the encoder // decoder 162 only needs to be able to perform processing before corresponding to the encoding and decoding algorithms for audio compression, has no hardware, and performs the reverse processing by software processing by the control unit 158. Processing, that is, decompression processing may be performed.
- the download of music data and the billing process are performed separately. For this reason, it becomes possible to smoothly purchase music data at the information vending machine 105. Since the billing process can be performed by the billing machine 102 at home, the management of user identification and identification of the portable terminal device can be facilitated, and the billing process can be performed smoothly and also helps to prevent unauthorized use.
- an apparatus using a disk as a recording medium has been described. However, the present invention can be applied to an apparatus or a system using a recording medium other than a disk, such as a magnetic tape or semiconductor memory.
- the music data itself is recorded, but the disc uses the TOC data of this disc incompletely. If the TOC data is incomplete, the music data on this disc cannot be played. When playing a disc, the TOC data is rewritten by communication so that the data can be played.
- the recording / reproducing device, the data reproducing method, and the data recording / reproducing method according to the present invention are suitable for use in a music distribution system in which music data is acquired using a communication network.
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Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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KR1020007000392A KR100609070B1 (ko) | 1998-05-19 | 1999-05-19 | 기록재생장치, 데이터 재생방법 및 데이터기록 재생방법 |
EP99921169A EP1030301A4 (en) | 1998-05-19 | 1999-05-19 | RECORDING / PLAYBACK APPARATUS, METHOD FOR PLAYING BACK DATA, AND METHOD FOR RECORDING / PLAYBACK DATA |
US09/462,789 US6993567B1 (en) | 1998-05-19 | 1999-05-19 | Recording/reproducing apparatus, data reproducing method, and data recording/reproducing method |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP10/136472 | 1998-05-19 | ||
JP10136472A JPH11328851A (ja) | 1998-05-19 | 1998-05-19 | 端末装置及び再生方法 |
Publications (1)
Publication Number | Publication Date |
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WO1999060569A1 true WO1999060569A1 (fr) | 1999-11-25 |
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PCT/JP1999/002602 WO1999060569A1 (fr) | 1998-05-19 | 1999-05-19 | Appareil d'enregistrement / reproduction, procede de reproduction de donnees et procede d'enregistrement/reproduction de donnees |
Country Status (6)
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US (1) | US6993567B1 (ja) |
EP (1) | EP1030301A4 (ja) |
JP (1) | JPH11328851A (ja) |
KR (1) | KR100609070B1 (ja) |
CN (1) | CN1149566C (ja) |
WO (1) | WO1999060569A1 (ja) |
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Also Published As
Publication number | Publication date |
---|---|
KR100609070B1 (ko) | 2006-08-09 |
EP1030301A4 (en) | 2002-07-24 |
CN1274460A (zh) | 2000-11-22 |
US6993567B1 (en) | 2006-01-31 |
KR20010021828A (ko) | 2001-03-15 |
EP1030301A1 (en) | 2000-08-23 |
CN1149566C (zh) | 2004-05-12 |
JPH11328851A (ja) | 1999-11-30 |
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