公开(公告)号：EP1468417B1

公开(公告)日：2008-06-11

申请号：EP03701813.2

申请日：2003-01-20

申请人： MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD

发明人： SHOJI, Mamoru ,  ISHIDA, Takashi ,  ITO, Motoshi ,  UEDA, Hiroshi ,  YAMAMOTO, Yoshikazu ,  NAKAMURA, Atsushi

IPC分类号： G11B7/00

CPC分类号： G11B7/00736 ,  G11B7/1267 ,  G11B7/24038 ,  G11B7/24079 ,  G11B7/24082 ,  G11B20/1217 ,  G11B2007/0013 ,  G11B2020/122 ,  G11B2020/1227 ,  G11B2020/1275 ,  G11B2220/235

摘要： An information recording medium (100) is provided, which comprises a plurality of recording layers (104, 102) and a first disc information area (111) for storing parameters relating to access to the plurality of recording layers and formats relating to the plurality of recording layer. The first disc information area is provided in a first recording layer (104) which is one of the plurality of recording layers.

公开(公告)号：EP1350251B1

公开(公告)日：2007-01-31

申请号：EP01272339.1

申请日：2001-12-26

申请人： MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.

发明人： GUSHIMA, Toyoji ,  FURUMIYA, Shigeru ,  ISHIDA, Takashi ,  ISHIBASHI, Hiromichi ,  DEGUCHI, Hironori ,  NAKAMURA, Atsushi ,  MINAMINO, Junichi ,  USUI, Makoto ,  NAKAJIMA, Takeshi

IPC分类号： G11B20/12

CPC分类号： G11B20/1833 ,  G11B7/00454 ,  G11B7/00456 ,  G11B7/00736 ,  G11B7/00745 ,  G11B20/10 ,  G11B20/10203 ,  G11B20/1217 ,  G11B20/1403 ,  G11B20/1426 ,  G11B27/3027 ,  G11B2007/0006 ,  G11B2020/1222 ,  G11B2020/1225 ,  G11B2020/1232 ,  G11B2020/1277 ,  G11B2020/1287 ,  G11B2220/20 ,  G11B2220/216 ,  G11B2220/2537 ,  G11B2220/2562

摘要： A recording medium comprising a recording area, the recording area includes a first area and a second area, the first area includes a frame area, the frame area includes an area in which a second synchronization code sequence and at least a portion of data are to be recorded, and the second area includes an area of linking frames in which a third synchronization code sequence (PA) and a fourth synchronization code sequence (VFO) are to be recorded.

公开(公告)号：EP1617421A1

公开(公告)日：2006-01-18

申请号：EP04723027.1

申请日：2004-03-24

申请人： MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.

发明人： SHOJI, Mamoru ,  ISHIDA, Takashi

IPC分类号： G11B7/0045 ,  G11B7/0055 ,  G11B7/007 ,  G11B20/12

CPC分类号： G11B7/0045 ,  G11B7/00745 ,  G11B20/1217 ,  G11B2020/1277 ,  G11B2020/1288 ,  G11B2220/218 ,  G11B2220/2537

摘要： An optical data writing method according to the present invention is designed to write user data optically on an optical disk by dividing the user data into a number of blocks, each being made up of a plurality of sectors, and by adding an error correction code to each block. The method includes the steps of: writing a first set of data, including data representing a first content, on a track on the optical disk; and writing a second set of data, including data representing a second content, onto the track such that an unrecorded area, where no data is stored, is left between respective areas where the first and second sets of data have been written.

摘要翻译： 根据本发明的光学数据写入方法被设计为通过将用户数据划分成多个块，每个块由多个扇区组成，并且通过将纠错码添加到 每个块。 该方法包括以下步骤：在光盘上的轨道上写入包括表示第一内容的数据的第一组数据; 以及将包括表示第二内容的数据的第二组数据写入所述轨道，使得其中没有数据被存储的未记录区域被留在已经写入所述第一和第二组数据的各个区域之间。

公开(公告)号：EP0907951B1

公开(公告)日：2004-05-19

申请号：EP97927431.3

申请日：1997-06-24

申请人： MITSUBISHI DENKI KABUSHIKI KAISHA ,  MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.

发明人： NAKANE, Kazuhiko, Mitsubishi Denki K.K. ,  OHATA, Hiroyuki, Mitsubishi Denki K.K. ,  NAGASAWA, Masato, Mitsubishi Denki K.K. ,  GOTOH, Kenji, Mitsubishi Denki Kabushiki Kaisha ,  ISHIDA, Yoshinobu, Mitsubishi Denki K.K. ,  SATOH, Isao ,  OHARA, Shunji ,  ISHIDA, Takashi ,  TAKEMURA, Yoshinari

IPC分类号： G11B7/007 ,  G11B7/09

CPC分类号： G11B7/00718 ,  G11B7/00745 ,  G11B7/0901 ,  G11B7/0938 ,  G11B7/094 ,  G11B27/19 ,  G11B27/24 ,  G11B27/3027

摘要： An optical disc using a single-spiral land and groove track format enabling accurate tracking offset correction and reliable detection of the transition point between a land track and a groove track, and a driving apparatus therefor, are disclosed. Four physical address areas PID1, PID2, PID3, and PID4 are recorded to a header area such that PID1 and PID2 are offset one-half track pitch toward the outside circumference of the disc from the groove track center, and PID3 and PID4 are offset one-half track pitch toward the inside circumference of the disc from the groove track center, and the physical address areas PID1 - PID4 can be detected by means of a difference signal in the radial direction. The single frequency pattern area VFO at the beginning of each PID is lengthened by PID1 and PID3, thereby enabling tracking offset correction using a sum signal, and detection of the land-groove transition point using a difference signal obtained from the PID offset. The frequency of the VFO pattern may be set lower than the highest frequency of the channel bit sequences of the modulation method used on the disc. Address marks may employ a channel bit pattern which includes two sequenses which are longer than the longest mark length of the modulation method.

公开(公告)号：EP1333431A1

公开(公告)日：2003-08-06

申请号：EP01972700.7

申请日：2001-10-04

申请人： MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.

发明人： ISHIDA, Takashi ,  ISHIBASHI, Hiromichi ,  SHOJI, Mamoru ,  NAKAMURA, Atsushi ,  MINAMINO, Junichi ,  FURUMIYA, Shigeru

IPC分类号： G11B7/007 ,  G11B7/24 ,  G11B20/12

CPC分类号： G11B7/0079 ,  G11B7/007 ,  G11B7/00718 ,  G11B7/24 ,  G11B7/24079 ,  G11B7/24082 ,  G11B7/24085

摘要： An optical disk includes a land and a groove. On this optical disk, data is recorded on both the land and the groove. A distance between the center of the land and the center of the groove adjacent to the land is 0.28 µm or more. The optical disk has a data efficiency of 80% or more. Thus, an optical disk having a storage capacity of 25 GB or more can be provided.

摘要翻译： 光盘包括平台和凹槽。 在这个光盘上，数据记录在纹间和纹道上。 焊盘中心与焊盘相邻的凹槽中心之间的距离为0.28μm或更大。 该光盘具有80％或更高的数据效率。 因此，可以提供具有25GB或更大的存储容量的光盘。

公开(公告)号：EP1325497A2

公开(公告)日：2003-07-09

申请号：EP01967800.2

申请日：2001-09-21

申请人： MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.

发明人： SHOJI, Mamoru ,  NAKAMURA, AtsushiSyokoryo ,  ISHIDA, Takashi ,  ISHIBASHI, Hiromichi ,  MIYASHITA, Harumitsu ,  SENGA, Hisashi ,  TAKAHASHI, Rie

IPC分类号： G11B7/013 ,  G11B20/00

CPC分类号： G11B20/0021 ,  G11B7/0053 ,  G11B7/007 ,  G11B7/24085 ,  G11B20/00086 ,  G11B20/00094 ,  G11B20/00115 ,  G11B20/00304 ,  G11B20/00311 ,  G11B20/00405 ,  G11B20/00492 ,  G11B20/00507 ,  G11B20/00514 ,  G11B20/00528 ,  G11B20/00557 ,  G11B20/00586 ,  G11B20/00594 ,  G11B20/00601 ,  G11B20/00739 ,  G11B20/1217 ,  G11B23/284

摘要： An optical disk, and a method and apparatus for reproducing and/or recording data to the disk are provided for preventing illegal copying of authorized disks recording copyrighted digital content. The optical disk 10 has a control area 12 for storing control data, a data area 14 for storing main digital data (content), and an identification area 13 for storing sub-digital data specific to the main digital data. The sub-digital data is recorded as a pit sequence (R1, R3, R5) at a locally phase modulated clock timing. When disk identification data is recorded as the sub-digital data, key information stored to the reproduction apparatus is compared with identification data (sub-digital data) detected from jitter fluctuations in the identification area 13 when content is reproduced from the optical disk 10. If a specific correlation is thus confirmed, the disk is recognized as a legally copied disk and reproduction is enabled. Illegal copies can thus be prevented.

公开(公告)号：EP1552507B1

公开(公告)日：2008-06-18

申请号：EP03755281.7

申请日：2003-05-22

申请人： Sony Corporation ,  MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD ,  Koninklijke Philips Electronics N.V.

发明人： KOBAYASHI, Shoei ,  YAMAGAMI, Tamotsu ,  KADOWAKI, Shin-ichi ,  ISHIDA, Takashi ,  SCHEP, Cornelis Marinus ,  BORG, Hermanus Johannes

IPC分类号： G11B7/007

CPC分类号： G11B7/24038 ,  G11B7/00736

摘要： With the disc-shaped recording medium, or the disc manufacturing method according to the present invention, for both the single-layer disc and the multi-layer disc, a recording layer L 0 , which is to be the first layer, is at the same distance, along the direction of disc thickness, from the surface of the cover layer CVLs on which falls the laser light. For the multi-layer disc, the second layer L 1 and the following layer(s) are formed at the locations which are closer to the cover layer CVLs than the first layer L 0 . Management information may be recorded by mobbling grooves, each layermay have tert areas, defect information, a replacement area. Thus, it is possible to improve compatibility, reliability and accessibility between a single-layer disc and a multi-layer disc. The spherical aberration for the recording/reproducing light may be controlled with respect to the selected layer.

公开(公告)号：EP1552507A2

公开(公告)日：2005-07-13

申请号：EP03755281.7

申请日：2003-05-22

申请人： Sony Corporation ,  MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. ,  Koninklijke Philips Electronics N.V.

发明人： KOBAYASHI, Shoei ,  YAMAGAMI, Tamotsu ,  KADOWAKI, Shin-ichi ,  ISHIDA, Takashi ,  SCHEP, Cornelis Marinus ,  BORG, Hermanus Johannes

IPC分类号： G11B7/007

CPC分类号： G11B7/24038 ,  G11B7/00736

摘要： With the disc-shaped recording medium, or the disc manufacturing method according to the present invention, for both the single-layer disc and the multi-layer disc, a recording layer L 0 , which is to be the first layer, is at the same distance, along the direction of disc thickness, from the surface of the cover layer CVLs on which falls the laser light. For the multi-layer disc, the second layer L 1 and the following layer(s) are formed at the locations which are closer to the cover layer CVLs than the first layer L 0 . Management information may be recorded by mobbling grooves, each layermay have tert areas, defect information, a replacement area. Thus, it is possible to improve compatibility, reliability and accessibility between a single-layer disc and a multi-layer disc. The spherical aberration for the recording/reproducing light may be controlled with respect to the selected layer.

公开(公告)号：EP1468417A2

公开(公告)日：2004-10-20

申请号：EP03701813.2

申请日：2003-01-20

申请人： MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.

发明人： SHOJI, Mamoru ,  ISHIDA, Takashi ,  ITO, Motoshi ,  UEDA, Hiroshi ,  YAMAMOTO, Yoshikazu ,  NAKAMURA, Atsushi

IPC分类号： G11B7/00

CPC分类号： G11B7/00736 ,  G11B7/1267 ,  G11B7/24038 ,  G11B7/24079 ,  G11B7/24082 ,  G11B20/1217 ,  G11B2007/0013 ,  G11B2020/122 ,  G11B2020/1227 ,  G11B2020/1275 ,  G11B2220/235

摘要： An information recording medium (100) is provided, which comprises a plurality of recording layers (104, 102) and a first disc information area (111) for storing parameters relating to access to the plurality of recording layers and formats relating to the plurality of recording layer. The first disc information area is provided in a first recording layer (104) which is one of the plurality of recording layers.

公开(公告)号：EP1466322A1

公开(公告)日：2004-10-13

申请号：EP03807986.9

申请日：2003-10-09

申请人： MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.

发明人： SHOJI, Mamoru ,  KOISHI, Kenji ,  NAKAMURA, Atsushi ,  ISHIDA, Takashi ,  TASAKA, Shuichi

IPC分类号： G11B7/00 ,  G11B7/125

CPC分类号： G11B7/24085 ,  G11B7/00456 ,  G11B11/10506 ,  G11B11/1053

摘要： An optical data recording method comprising the steps of: modulating data to be recorded, to generate a plurality of recording modulation codes; and emitting a pulse-like light beam to an optical disc, so that a plurality of recording marks and spaces which have lengths corresponding to the plurality of recording modulation codes are formed on the optical disc, wherein at least two of the plurality of recording marks are formed by the light beam emitted according to a recording pulse train, the recording pulse train comprising: a first pulse which is disposed at a front and forms a leading edge of the recording mark, a last pulse which is disposed at a backend and forms a trailing edge of the recording mark, and a multi-pulse train which is disposed between the first pulse and the last pulse and forms a center of the recording mark, wherein the recording pulse train includes a multi-pulse area in which the multi-pulse train disposed, a position of at least one pulse of the recording pulse train in the multi-pulse area is set so that a multi-pulse duty is set at a predetermined value, the multi-pulse duty being obtained by dividing a pulse width of the multi-pulse train by a period of the multi-pulse train, and the multi-pulse train has a pulse period which is twice as large as a reference period T of the recording modulation code and a corresponding device.