US20050276181A1 - Recording and/or reproducing apparatus, recording and/or reproducing method and information storage medium therefor - Google Patents

Recording and/or reproducing apparatus, recording and/or reproducing method and information storage medium therefor Download PDF

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Publication number
US20050276181A1
US20050276181A1 US11/091,452 US9145205A US2005276181A1 US 20050276181 A1 US20050276181 A1 US 20050276181A1 US 9145205 A US9145205 A US 9145205A US 2005276181 A1 US2005276181 A1 US 2005276181A1
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United States
Prior art keywords
recording
information
disk
storage medium
information storage
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Abandoned
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US11/091,452
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English (en)
Inventor
Sung-hee Hwang
Kyung-geun Lee
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Samsung Electronics Co Ltd
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Samsung Electronics Co Ltd
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Application filed by Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Assigned to SAMSUNG ELECTRONICS CO., LTD. reassignment SAMSUNG ELECTRONICS CO., LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: HWANG, SUNG-HEE, LEE, KYUNG-GEUN
Publication of US20050276181A1 publication Critical patent/US20050276181A1/en
Priority to US12/026,130 priority Critical patent/US20080123487A1/en
Priority to US12/026,114 priority patent/US8223604B2/en
Priority to US12/026,153 priority patent/US8149659B2/en
Priority to US12/026,101 priority patent/US20080123483A1/en
Priority to US13/407,990 priority patent/US8395978B2/en
Abandoned legal-status Critical Current

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    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/007—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track
    • G11B7/00736—Auxiliary data, e.g. lead-in, lead-out, Power Calibration Area [PCA], Burst Cutting Area [BCA], control information
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/02—Control of operating function, e.g. switching from recording to reproducing
    • G11B19/12—Control of operating function, e.g. switching from recording to reproducing by sensing distinguishing features of or on records, e.g. diameter end mark
    • G11B19/122—Control of operating function, e.g. switching from recording to reproducing by sensing distinguishing features of or on records, e.g. diameter end mark involving the detection of an identification or authentication mark
    • 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
    • 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
    • G11B20/1252—Formatting, e.g. arrangement of data block or words on the record carriers on discs for discontinuous data, e.g. digital information signals, computer programme data
    • 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
    • G11B20/1262—Formatting, e.g. arrangement of data block or words on the record carriers with more than one format/standard, e.g. conversion from CD-audio format to R-DAT format
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B2007/0003—Recording, reproducing or erasing systems characterised by the structure or type of the carrier
    • G11B2007/0006—Recording, reproducing or erasing systems characterised by the structure or type of the carrier adapted for scanning different types of carrier, e.g. CD & DVD
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B2007/0003—Recording, reproducing or erasing systems characterised by the structure or type of the carrier
    • G11B2007/0009—Recording, reproducing or erasing systems characterised by the structure or type of the carrier for carriers having data stored in three dimensions, e.g. volume storage
    • G11B2007/0013—Recording, reproducing or erasing systems characterised by the structure or type of the carrier for carriers having data stored in three dimensions, e.g. volume storage for carriers having multiple discrete layers
    • 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
    • G11B2020/1218—Formatting, e.g. arrangement of data block or words on the record carriers on discs wherein the formatting concerns a specific area of the disc
    • G11B2020/1229—Formatting, e.g. arrangement of data block or words on the record carriers on discs wherein the formatting concerns a specific area of the disc lead-in area
    • 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
    • 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
    • G11B2020/1264—Formatting, e.g. arrangement of data block or words on the record carriers wherein the formatting concerns a specific kind of data
    • G11B2020/1265—Control data, system data or management information, i.e. data used to access or process user data
    • G11B2020/1275—Calibration data, e.g. specific training patterns for adjusting equalizer settings or other recording or playback parameters
    • 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
    • G11B2020/1264—Formatting, e.g. arrangement of data block or words on the record carriers wherein the formatting concerns a specific kind of data
    • G11B2020/1265—Control data, system data or management information, i.e. data used to access or process user data
    • G11B2020/1278—Physical format specifications of the record carrier, e.g. compliance with a specific standard, recording density, number of layers, start of data zone or lead-out
    • 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
    • G11B2220/21—Disc-shaped record carriers characterised in that the disc is of read-only, rewritable, or recordable type
    • G11B2220/215—Recordable 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
    • G11B2220/23—Disc-shaped record carriers characterised in that the disc has a specific layer structure
    • G11B2220/235—Multilayer discs, i.e. multiple recording layers accessed from the same side
    • 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 and/or reproducing apparatus, a recording and/or reproducing method, and an information storage medium.
  • an optical disk is widely used as an information storage medium in an optical pickup apparatus for recording and/or reproducing information.
  • the optical disc is classified into a compact disk (CD) and a digital versatile disk (DVD).
  • Optical disks capable of recording, deleting, and reproducing data include a 650 MB CD-R, a CD-RW, and a 4.7 GB DVD+RW
  • optical disks for reproducing data include a 650 MB CD, and a 4.7 GB DVD-ROM.
  • a HD-DVD having a recording capacity of over 25 GB is under development.
  • optical disk technologies Due to recent developments of optical disk technologies, semiconductor technologies, and recording/reproducing strategies, addition of new functions and recording layers to an optical disk, and increases in a recording speed, standards for optical systems, including optical drive systems and optical disks need to be constantly updated.
  • FIG. 1 is a reference diagram explaining the problem of disk compatibility according to the conventional technology.
  • an old standard disk 110 is made to operate in an old standard drive system 111 and a new standard disk 120 is made to operate in a new standard drive system 121 .
  • the old standard and the new standard may or may not be compatible for recording and/or reproducing data.
  • the recording and/or reproducing compatibility of the two standards means that the old standard disk 110 used in the old standard drive system 111 can also be used in the new standard drive system 121 for data recording and/or reproducing. Also, it means that the new standard disk 120 used in the new standard drive system 121 can also be used in the old standard drive system 111 for data recording and/or reproducing.
  • the old standard drive system 111 needs to provide an appropriate treatment for the new function. For this, when the old standard is set up, an appropriate treatment for future addition of new characteristics should be prepared.
  • this appropriate treatment should be a generalized one that can be applied to the new standard, because it should be able to be applied even when the new standard is updated by adding another new characteristic.
  • the characteristic of a disk is recorded on the disk in the form of information that can be commonly recognized by different disk standards, even when a future disk to which a new characteristic is added is loaded on a current standard drive system, according to the information, recognizable information on the disk is read such that the disk can be used.
  • a disk information structure and a recording method for a disk information structure are needed.
  • a recording and/or reproducing apparatus a recording and/or reproducing method, and an information storage medium by which a disk information structure can be quickly found and flexibility and scalability of the disk information structures can be guaranteed.
  • a recording and/or reproducing apparatus including: a writing and/or reading unit writing data to or reading data from an information storage medium having one or more information recording layers; and a control unit controlling the writing and/or reading unit to write data on the information storage medium by referring to one or more disk information structures including information on recording related parameters corresponding to recording characteristics of the information storage medium, and information on the recording characteristics to which the recording related parameters are applied.
  • the information of the recording characteristics may include at least one of a recording speed, a recording layer, and write strategy (WS) indication information.
  • WS write strategy
  • the recording speed and the recording layer included in the information of the recording characteristics may indicate a recording speed and a recording layer to which recording related parameters in the disk information structure can be applied.
  • the WS indication information included in the information of the recording characteristics may indicate a WS of the recording related parameters in the disk information structure.
  • the WS indication information included in the information of the recording characteristics may indicate a combination of a predetermined WS and predetermined functions irrelevant to the WS.
  • the information storage medium may be any one of a reproduction dedicated type, a rewritable type, or a write once type.
  • control unit may further find information of the recording characteristics of the recording and/or reproducing apparatus from information on the recording characteristics included in the one or more disk information structures.
  • control unit may further determine a recording characteristic appropriate to the recording and/or reproducing apparatus, find disk information structure including the determined recording characteristic from one or more disk information structures, and control the writing and/or reading unit to write data to the information storage medium by using recording related parameters included in the found disk information structure.
  • a recording and/or reproducing method of recording data on and reading data from an information storage medium having one or more information recording layers including: recording data on the information storage medium by referring to one or more disk information structures including information of recording related parameters corresponding to recording characteristics of the information storage medium, and information of the recording characteristics to which the recording related parameters are applied.
  • an information storage medium having one or more information recording layers wherein one or more disk information structures including information of recording related parameters corresponding to recording characteristics of the information storage medium, and information of the recording characteristics to which the recording related parameters are applied are recorded in a predetermined area of the information storage medium.
  • FIG. 1 is a reference diagram explaining the problem of disk compatibility according to the conventional technology
  • FIG. 2 is a diagram of the structure of a disk to which the present invention is applied;
  • FIG. 3 is a diagram of the data structure of a disk information structure according to an embodiment of the present invention.
  • FIG. 4 is a reference diagram explaining compatibility of a disk information structure according to an embodiment of the present invention.
  • FIG. 5 is an example of a disk information structure which is recorded on a version 1.0 disk shown in FIG. 4 ;
  • FIG. 6 is an example of a disk information structure which is recorded on a version 1.1 disk shown in FIG. 4 ;
  • FIG. 7 is an example of a disk information structure which is recorded on a version 1.2 disk shown in FIG. 4 ;
  • FIG. 8 is a diagram showing an embodiment of a recording and/or reproducing apparatus according to an embodiment of the present invention.
  • FIG. 9 is a flowchart of a recording and/reproducing method according to an embodiment of the present invention.
  • a lead-in area is disposed in the innermost circumference of the disk
  • a lead-out area is disposed in the outermost circumference of the disk
  • a user data area in which user data is recorded is disposed between the lead-in area and the lead-out area.
  • the lead-in area is formed with a pre-recorded zone, in which predetermined information is recorded in advance when the disk is manufactured, and a recordable area.
  • the recordable area includes a buffer between the pre-recorded zone and the recordable area, a defect management area to record defect related information such as the address of replacement data replacing defective data occurring in the user data area, a test area disposed to perform a test to obtain an optical write power when data is recorded in the user data area, and a drive/disk state information area to record information related to the state of the drive or disk.
  • the pre-recorded zone is a control data area in which control data is recorded, and includes information on the disk type, version, disk size, disk structure, disk speed and recording parameters.
  • a disk information structure according to the present invention can be recorded.
  • the disk information structure according to the present invention will now be explained with reference to FIG. 3 .
  • FIG. 3 is a diagram of the data structure of a disk information structure according to an embodiment of the present invention.
  • a disk information structure 300 is divided into a common information table 310 , a parameter recognition information table 320 , and a parameter table 330 as shown in FIG. 3 so that after a disk is placed on a drive, disk related information can be read most effectively.
  • the common information table 310 includes a type of a storage medium 311 , a number of information storage layers 312 , and a supported recording speed 313 .
  • the type of a storage medium 311 indicates information on whether the medium is a write once medium, a rewritable medium, or a reproduction dedicated medium.
  • the number of information storage layers 312 indicates the number of entire information storage layers the medium has.
  • the supported recording speed 313 is information of the recording speed supported by the medium, and can be expressed by a lowest speed and a highest speed, or by individually supported recording speeds. For example, it can be expressed as 1 ⁇ , 2 ⁇ , 4 ⁇ , or 6 ⁇ .
  • the parameter recognition information table 320 includes a recording speed 321 , and a recording layer 322 , to which recording related parameters stored in the parameter table of this information structure are applied, and write strategy (WS) indication information 323 indicating which write strategy the recording related parameters are associated with.
  • WS write strategy
  • the recording speed 321 refers to a recording speed, to which recording related parameters in the parameter table of this disk information structure are applied
  • the recording layer 322 refers to a recording layer to which recording related parameters in the parameter table of this disk information structure are applied.
  • the WS indication information 323 indicates which WS is recorded in the parameter table of this information structure. Of course, for this, a representative number for each WS should be predetermined.
  • a representative number of a WS is not limited to one write strategy, and this representative number can be increased into multiple numbers as the standard is upgraded by adding other information irrelevant to the WS.
  • write strategy indication information in the disk information structure of the disk for the standard indicates “1”
  • recording related parameters in the parameter table of the disk information structure indicate WS A.
  • WS B is required as the standard is updated by adding a new transfer rate
  • the updated standard will have two WS, WS A and WS B. Since it cannot be said that only the new transfer rate and the accompanying WS are added when the standard is updated, addition of other information (Alpha) can be expected.
  • the disk information structure of the disk for updated standard indicates “2”, the recording related parameters in the parameter table of the disk information structure including the Alpha function, indicates WS A, or it can be guaranteed that if WS indication information in the disk information structure indicates “3”, the recording related parameters in the parameter table of the disk information structure including the Alpha function, indicate WS B.
  • the disk information structure will be recorded on the disk.
  • the drive system can identify if WS indication information is 1 or 2, the recording related parameters in the parameter table of the disk information structure indicate WS A, and if WS indication information is 3, the recording related parameters in the parameter table of the disk information structure indicate WS B.
  • WS indication information is 1 or 2
  • the recording related parameters in the parameter table of the disk information structure indicate WS A
  • WS indication information is 3
  • the recording related parameters in the parameter table of the disk information structure indicate WS B.
  • a representative number indicating WS A and a representing number indicating WS B can be added according to the settings used when the standard is first set up.
  • the parameter table 330 includes a pulse cycle (Ttop) when recording begins, a pulse cycle (Tmp) in the middle of recording, a pulse cycle (Tcl) when recording finishes, a recording power (Pw), a delete power (Pe), and a bias power (Pb), as recording parameters, and according to an embodiment of the present invention, includes a recording speed, a recording layer, and WS indication information, in particular.
  • the parameter table 330 can include reproduction related parameters depending on the implementations.
  • the present invention by including the recording speed, the recording layer, and the WS indication information in the parameter recognition information table, which recording speed, which recording layer and what WS the disk information structure has, can be known by recognizing the parameter recognition information table.
  • the present invention indicates which recording speed, recording layer, and WS are recorded in the parameter table of the disk information structure, by the parameter recognition information table.
  • the disk drive can know which speed and recording layer the recording related parameters stored in the parameter table of this information structure are to be applied to, from the parameter recognition information table. Also, the disk drive can know which WS this disk information structure desires to apply, from the WS indication information without reading the recording related parameters stored in the parameter table.
  • the recording speed and the recording layer to which the recording related parameters stored in the parameter table are applied can be known, and even without reading information, such as Ttop, Tmp, and Tcl, in the parameter table one by one, it can be known at least which WS the recording related parameters stored in the parameter table of this disk information structure are about.
  • the drive system In order to record the data, the drive system only needs to use parameters of WS 1 specified in the parameter table of a disk information structure, after finding the disk information structure having disk information on speed 1 ⁇ , recording layer 0 , and disk information on WS 1 , from the parameter recognition information tables of respective disk information structures among disk information items. By doing so, when data is recorded, the drive system can quickly find required recording related parameter information from the parameter recognition information table such that the use of the disk can be improved.
  • FIG. 4 is a reference diagram explaining compatibility of a disk information structure according to an embodiment of the present invention.
  • WS indication information that can be applied to the initial speed 1 ⁇ is denoted “1”.
  • a new transfer rate that is, when adding a 2 ⁇ speed when the first standard is updated to the second standard, new WS B that can be applied to speed 2 ⁇ is added, the WS indication information is denoted “2”.
  • new WS C that can be applied to the 4 ⁇ speed as well as 2 ⁇ speed is denoted “3”.
  • the version 1.0 disk 410 that complies with a first standard has characteristics of a 1 ⁇ speed, 2 recording layers, and WS A.
  • the version 1.1 disk 420 that complies with a second standard has characteristics of 1 ⁇ and 2 ⁇ speeds, 2 recording layers, and WS A and WS B.
  • the version 1.2 disk 430 that complies with a third standard has characteristics of 1 ⁇ , 2 ⁇ , and 4 ⁇ speeds, 2 recording layers, and WS A, WS B, and WS C.
  • WS A can be applied to only a 1 ⁇ speed in all standards
  • WS B can be applied to only 2 ⁇ speed in the second and third standards
  • WS C can be applied to only 2 ⁇ and 4 ⁇ speeds in the third standard.
  • the available numbers of disk information structures recorded in a disk information area and recorded formats according to each standard are shown in FIGS. 5 through 7 , respectively.
  • FIG. 5 is an example of a disk information structure which is recorded on the version 1.0 disk shown in FIG. 4 .
  • the entire disk information structure includes disk information structures # 1 510 and # 2 520 .
  • FIG. 6 is an example of a disk information structure which is recorded on the version 1.1 disk shown in FIG. 4 .
  • the entire disk information structure includes disk information structures # 1 through # 4 610 through 640 .
  • the value of N to indicate a predetermined WS is not limited to one, and there can be a plurality of values by addition of new information or update of a standard according to a predetermined setting.
  • FIG. 7 is an example of a disk information structure which is recorded on the version 1.2 disk shown in FIG. 4 .
  • the entire disk information structure includes disk information structures # 1 through # 8 710 through 780 .
  • a new WS is required by addition of a new transfer rate, and by defining a disk information structure and recording the structure on a medium according to an embodiment of the present invention, as described above, compatibility among standards can be guaranteed.
  • the drive system 421 can quickly obtain disk information structures corresponding to the second standard among disk information structures recorded on the disk information area of the rewritable information storage medium 430 , from the parameter recognition information table, while maintaining compatibility.
  • the present invention has the advantage of being able to accommodate a future increase in the numbers of recording layers, recording speeds, and WSs. Also, by preparing these rules, uniformity and compatibility of standards between a rewritable information storage medium and a write once information storage medium can be achieved.
  • the plurality of disk information structures as described above are recorded in a disk information area of a disk, and are recorded in advance when the disk is manufactured. For example, as shown in FIG. 2 , these can be recorded in a pre-recorded zone of a lead-in area. However, the zone is just an example and the structures can be recorded in any area that can store the disk information structures in a disk that can be available in the future.
  • the explanation of the disk information structures as presented above indicates the logical structure of a disk information structure, and does not limit it to a physical structure. That is, it does not limit the disk information structure to the fact that the disk information structure is actually divided into physical areas of a common information table, a parameter recognition information table, and a parameter table, but rather the information stored in the disk information structure can be logically divided as in the embodiment of the present invention.
  • FIG. 8 is a diagram showing an embodiment of a recording and/or reproducing apparatus according to an embodiment of the present invention.
  • the recording and/or reproducing apparatus includes a writing and/or reading unit 2 and a control unit 1 .
  • the writing and/or reading unit 2 has a pickup and other parts and writes data on and/or reads data from a disk 100 that is an optical recording information storage medium on which a disk information structure according to an embodiment of the present invention is recorded.
  • the control unit 1 controls the writing and/or reading unit 2 such that data is written to and read from the disk 100 according to a predetermined file system.
  • control unit 1 controls the writing and/or reading unit 2 , such that a plurality of disk information structures are read from the disk 100 , a disk information structure appropriate to this recording and/or reproducing apparatus from the disk information structures is found, and by using parameters of the found disk information structure, data is recorded on or read from the disk 100 .
  • the control unit 1 includes a system controller 10 , a host I/F 20 , a DSP 30 , an RF AMP 40 and a servo 50 .
  • the host I/F 20 When data is recorded, the host I/F 20 receives a predetermined write command from a host and transmits the command to the system controller 10 .
  • the system controller 10 controls the DSP 30 and the servo 50 in order to perform this write command received from the host I/F 20 .
  • the DSP 30 adds additional data, such as a parity, to the data received from the host I/F 20 and to the data to be recorded, performs error correction code (ECC) encoding to generate an ECC block that is an error correction block, and then modulates the generated ECC block in a predetermined method.
  • ECC error correction code
  • the RF AMP 40 converts the data output from the DSP 30 into an RF signal.
  • the writing and/or reading unit 2 having a pickup records the RF signal transmitted by the RF AMP 40 on the disk 100 .
  • the servo 50 receives a command input required for servo control from the system controller 10 and servo controls the pickup of the writing and/or reading unit 2 .
  • the system controller 10 reads a plurality of disk information structures recorded on the disk 100 , and finds a disk information structure appropriate to this recording and/or reproducing apparatus from the parameter recognition information tables of the disk information structures.
  • the system controller 10 searches recording speeds, recording layers, and WS indication information recorded in the parameter recognition information tables for a parameter recognition information table having the same information as the recording speed of the system controller 10 , the recording layer on which the system controller 10 desires to record data, and WS indication information of a WS that the system controller 10 can support. Then, by referring to recording related parameters included in the parameter table of the disk information structure which includes the parameter recognition information table, the system controller 10 controls the elements of the control unit 1 , such that each element of the control unit 1 is set and according to the setting, data is recorded on the disk 100 .
  • the host I/F 20 receives a reproduction command from the host.
  • the system controller 10 performs initialization required for reproduction.
  • the writing and/or reading unit 2 irradiates a laser beam an the disk 100 , and outputs an optical signal from the laser beam reflected from the disk 100 .
  • the RF AMP 40 converts the optical signal output from the writing and/or reading unit 2 into an RF signal, and provides modulated data obtained from the RF signal to the DSP 30 , while providing a servo signal for control obtained from the RF signal, to the servo 50 .
  • the DSP 30 demodulates the modulated data and outputs data obtained through ECC error correction.
  • the servo 50 receives a service signal from the RF AMP 40 and a command required for servo control received from the system controller 10 , and performs servo control for the pickup.
  • the host I/F 20 transmits data received from the DSP 30 to the host.
  • the system controller 10 reads a plurality of disk information structures recorded on the disk 100 , and finds a disk information structure appropriate to this recording and/or reproducing apparatus from the parameter recognition information tables of the disk information structures. Though recording related parameters are mainly explained above with reference to FIGS.
  • a disk information structure can also be applied to reproduction related parameters in a similar manner to the disk information structure on which recording related parameters are recorded.
  • the system controller 10 searches reproduction related indication information recorded in the parameter recognition information tables and finds a parameter recognition information table containing information appropriate to the reproduction characteristics of the system controller 10 , and by referring to reproduction related parameters included in the parameter table of the disk information structure including the parameter recognition information table, controls such that each element of the control unit 1 is set and according to the setting, data recorded on the disk 100 is reproduced.
  • the recording and/or reproducing apparatus shown in FIG. 8 can be implemented as separate recording apparatus and reproducing apparatus, or as one recording and reproducing apparatus.
  • FIG. 9 is a flowchart of the operations performed by a recording and/or reproducing method according to an embodiment of the present invention.
  • a disk is placed on a drive system in operation 910 .
  • the system controller 10 of the drive system determines a recording environment appropriate to this drive system in operation 920 . For example, it can be determined which recording speed this drive system supports, which recording layer of the disk the system controller 10 desires data to be recorded on, or which WS this drive system supports. Of course, here, the meaning of determining includes simply reading these values in an internal memory of this drive system.
  • the system controller 10 finds a disk information structure corresponding to the determined recording environment from parameter recognition information tables in the disk information area of the disk in operation 930 . That is, the system controllers reads disk information structures recorded in the disk information area of the disk and finds a parameter recognition information table containing the same information as the determined recording environment, that is, the recording layer, recording speed and WS indication information, from the disk information structures.
  • the system controller 10 reads recording related parameters from the parameter table of the disk information structure including the found parameter recognition information table in operation 940 .
  • the system controller 10 sets the drive system and controls the drive system such that in the set state, data is recorded on the disk in operation 950 .
  • the recording and/or reproducing methods as described above can also be embodied as computer readable codes on a computer readable recording medium.
  • the computer readable recording medium is any data storage device that can store data which can be thereafter read by a computer system. Examples of the computer readable recording medium include read-only memory (ROM), random-access memory (RAM), CD-ROMs, magnetic tapes, floppy disks, optical data storage devices, and carrier waves (such as data transmission through the Internet).
  • the computer readable recording medium can also be distributed over network coupled computer systems so that the computer readable code is stored and executed in a distributed fashion. Also, functional programs, codes, and code segments for accomplishing the present invention can be easily construed by programmers skilled in the art to which the present invention pertains.
  • a logical parameter recognition information table containing a recording speed, a recording layer, and WS indication information, in a disk information structure, in a medium on which one or more disk information structures are recorded, a recording speed and a recording layer which recording related parameters in the parameter table of each disk information structure desires to apply, and which write strategy the recording related parameters are associated with can be quickly known from the parameter recognition information table in the disk information structure.
  • this disk information structure can be scaled up such that compatibility can be guaranteed.

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Optical Head (AREA)
US11/091,452 2004-06-12 2005-03-29 Recording and/or reproducing apparatus, recording and/or reproducing method and information storage medium therefor Abandoned US20050276181A1 (en)

Priority Applications (5)

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US12/026,130 US20080123487A1 (en) 2004-06-12 2008-02-05 Recording and/or reproducing apparatus, recording and/or reproducing method and information storage medium therefor
US12/026,114 US8223604B2 (en) 2004-06-12 2008-02-05 Recording and/or reproducing apparatus, recording and/or reproducing method and information storage medium therefor
US12/026,153 US8149659B2 (en) 2004-06-12 2008-02-05 Recording and/or reproducing apparatus, recording and/or reproducing method and information storage medium therefor
US12/026,101 US20080123483A1 (en) 2004-06-12 2008-02-05 Recording and/or reproducing apparatus, recording and/or reproducing method and information storage medium therefor
US13/407,990 US8395978B2 (en) 2004-06-12 2012-02-29 Recording and/or reproducing apparatus, recording and/or reproducing method and information storage medium therefor

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KR1020040043332A KR100607985B1 (ko) 2004-06-12 2004-06-12 기록/재생 장치 및 그 정보 저장 매체
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US12/026,153 Continuation US8149659B2 (en) 2004-06-12 2008-02-05 Recording and/or reproducing apparatus, recording and/or reproducing method and information storage medium therefor
US12/026,101 Continuation US20080123483A1 (en) 2004-06-12 2008-02-05 Recording and/or reproducing apparatus, recording and/or reproducing method and information storage medium therefor
US12/026,130 Continuation US20080123487A1 (en) 2004-06-12 2008-02-05 Recording and/or reproducing apparatus, recording and/or reproducing method and information storage medium therefor
US12/026,114 Continuation US8223604B2 (en) 2004-06-12 2008-02-05 Recording and/or reproducing apparatus, recording and/or reproducing method and information storage medium therefor

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US12/026,153 Active 2025-11-29 US8149659B2 (en) 2004-06-12 2008-02-05 Recording and/or reproducing apparatus, recording and/or reproducing method and information storage medium therefor
US12/026,114 Active 2025-04-28 US8223604B2 (en) 2004-06-12 2008-02-05 Recording and/or reproducing apparatus, recording and/or reproducing method and information storage medium therefor
US12/026,130 Abandoned US20080123487A1 (en) 2004-06-12 2008-02-05 Recording and/or reproducing apparatus, recording and/or reproducing method and information storage medium therefor
US12/026,101 Abandoned US20080123483A1 (en) 2004-06-12 2008-02-05 Recording and/or reproducing apparatus, recording and/or reproducing method and information storage medium therefor
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US12/026,130 Abandoned US20080123487A1 (en) 2004-06-12 2008-02-05 Recording and/or reproducing apparatus, recording and/or reproducing method and information storage medium therefor
US12/026,101 Abandoned US20080123483A1 (en) 2004-06-12 2008-02-05 Recording and/or reproducing apparatus, recording and/or reproducing method and information storage medium therefor
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JP6778896B2 (ja) * 2016-03-10 2020-11-04 パナソニックＩｐマネジメント株式会社 光ディスク装置及び光ディスク
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US20120155236A1 (en) 2012-06-21
EP1605465A2 (fr) 2005-12-14
RU2459285C2 (ru) 2012-08-20
CN1716422A (zh) 2006-01-04
SG143266A1 (en) 2008-06-27
TWI337348B (en) 2011-02-11
US20080123483A1 (en) 2008-05-29
CA2636654A1 (fr) 2005-12-12
MY146492A (en) 2012-08-15
JP2008159264A (ja) 2008-07-10
MY150873A (en) 2014-03-14
RU2305331C2 (ru) 2007-08-27
TW200540833A (en) 2005-12-16
CA2507416A1 (fr) 2005-12-12
CN100466091C (zh) 2009-03-04
BRPI0502414A (pt) 2006-01-24
RU2459286C2 (ru) 2012-08-20
CN101075463B (zh) 2010-06-02
SG118323A1 (en) 2006-01-27
JP5020852B2 (ja) 2012-09-05
CA2636553A1 (fr) 2005-12-12
HK1114452A1 (en) 2008-10-31
CA2636565A1 (fr) 2005-12-12
JP4870387B2 (ja) 2012-02-08
CN101075464A (zh) 2007-11-21
RU2008102397A (ru) 2009-07-27
SG146621A1 (en) 2008-10-30
CN101075463A (zh) 2007-11-21
EP1605465A3 (fr) 2011-01-26
HK1084494A1 (en) 2006-07-28
CA2507416C (fr) 2012-09-18
HK1114451A1 (en) 2008-10-31
MXPA05006074A (es) 2005-12-15
JP2005353266A (ja) 2005-12-22
US20080123487A1 (en) 2008-05-29
RU2008102396A (ru) 2009-07-27
US8223604B2 (en) 2012-07-17
KR100607985B1 (ko) 2006-08-02
US20080123495A1 (en) 2008-05-29
MY171279A (en) 2019-10-07
US8149659B2 (en) 2012-04-03
CA2637764C (fr) 2010-10-12
SG143265A1 (en) 2008-06-27
CN101075464B (zh) 2011-08-03
US8395978B2 (en) 2013-03-12
SG179469A1 (en) 2012-04-27
US20080123484A1 (en) 2008-05-29
RU2005118152A (ru) 2006-12-20
CA2637764A1 (fr) 2005-12-12
RU2328777C1 (ru) 2008-07-10

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