公开(公告)号：JP2012064920A

公开(公告)日：2012-03-29

申请号：JP2011111866

申请日：2011-05-18

Applicant: Sony Corp ,  ソニー株式会社

Inventor： FUJITA GORO ,  KURAMOTO MASARU ,  WATANABE HIDEKI ,  MIYAJIMA TAKAO

IPC: H01S5/065 ,  H01S5/026

CPC classification number: H01S5/0265 ,  B82Y20/00 ,  G11B7/0045 ,  G11B7/126 ,  G11B7/127 ,  G11B2007/00457 ,  H01S5/0202 ,  H01S5/028 ,  H01S5/0614 ,  H01S5/0658 ,  H01S5/06821 ,  H01S5/2009 ,  H01S5/22 ,  H01S5/3216 ,  H01S5/34306

Abstract: PROBLEM TO BE SOLVED: To provide a recording apparatus which can obtain a desired pulse light frequency easily using a single element based simple structure.SOLUTION: A recording apparatus 200, designed to record information on an optical recording medium 21, comprises a self-oscillating semiconductor laser 1, containing therein a supersaturated absorber unit for applying a bias voltage Vsa and a gain unit for injecting gain current, which emits laser light used for recording information to an optical recording medium 21; a reference signal generation unit 14 which, in addition to generating a master clock signal, supplies an injection signal synchronized with the master clock signal to the gain unit of the self-oscillating semiconductor laser 1; and a recording signal generation unit 13 which, while generating a recording signal based on the master clock signal, applies the recording signal as a bias voltage Vsa to the supersaturated absorber unit of the self-oscillating semiconductor laser 1.

Abstract translation: 要解决的问题：提供一种能够使用单个元件的简单结构容易地获得期望的脉冲光频率的记录装置。 解决方案：设计用于在光学记录介质21上记录信息的记录装置200包括自振荡半导体激光器1，其中包含用于施加偏置电压Vsa的过饱和吸收器单元和用于注入增益电流的增益单元 ，其将用于记录信息的激光发射到光学记录介质21; 参考信号生成单元14除了产生主时钟信号之外，还将与主时钟信号同步的注入信号提供给自激半导体激光器1的增益单元; 以及记录信号生成单元13，其在基于主时钟信号生成记录信号的同时，将记录信号作为偏置电压Vsa施加到自激振荡半导体激光器1的过饱和吸收体单元。（COPYRIGHT：（ C）2012，JPO＆INPIT

公开(公告)号：JP2012043506A

公开(公告)日：2012-03-01

申请号：JP2010184594

申请日：2010-08-20

Applicant: Sony Corp ,  ソニー株式会社

Inventor： FUJITA GORO ,  MARUYAMA TSUTOMU ,  HORIGOME JUNICHI

IPC: G11B7/1263 ,  G11B7/004 ,  G11B7/0045 ,  G11B7/007 ,  G11B7/125 ,  G11B7/1267 ,  H01S5/065

CPC classification number: G11B7/00456 ,  G11B7/0045 ,  G11B7/126 ,  G11B20/10009 ,  G11B20/10027 ,  G11B20/10222 ,  G11B20/14

Abstract: PROBLEM TO BE SOLVED: To provide a recording device capable of easily implementing synchronization between an optical pulse of a laser beam and modulation of the laser beam with a simple configuration.SOLUTION: A recording device 200 for recording information in an optical recording medium 21 comprises: a mode-locked laser section 210 including a semiconductor laser 1 and an external resonator; optical modulation means 2 for performing amplification and modulation on a laser beam emitted from the mode-locked laser section 210; a reference signal generation section 15 for generating a master clock signal and supplying a signal synchronized with the master clock signal to a gain section 116 of the semiconductor laser 1; a recording signal generation section 16 for generating a recording signal on the basis of the master clock signal; and a driving circuit 17 for generating a driving pulse for driving the optical modulation means 2 on the basis of the recording signal.

Abstract translation: 要解决的问题：提供一种能够以简单的结构容易地实现激光束的光脉冲和激光束的调制之间的同步的记录装置。 解决方案：用于在光学记录介质21中记录信息的记录装置200包括：包括半导体激光器1和外部谐振器的模式锁定激光器部分210; 光调制装置2，用于对从锁模激光部210发出的激光进行放大和调制; 用于产生主时钟信号并将与主时钟信号同步的信号提供给半导体激光器1的增益部分116的参考信号产生部分15; 记录信号产生部分16，用于根据主时钟信号产生记录信号; 以及用于基于记录信号产生用于驱动光调制装置2的驱动脉冲的驱动电路17。 版权所有（C）2012，JPO＆INPIT

公开(公告)号：JP2011003245A

公开(公告)日：2011-01-06

申请号：JP2009145603

申请日：2009-06-18

Applicant: Sony Corp ,  ソニー株式会社

Inventor： FUJITA GORO ,  UEDA DAISUKE ,  OYAMADA MITSUAKI ,  IWAMURA TAKASHI ,  SAITO KIMIHIRO ,  YUAN JINGCHENG

IPC: G11B7/005

CPC classification number: G11B7/00452 ,  B82Y10/00 ,  G11B7/005

Abstract: PROBLEM TO BE SOLVED: To correctly reproduce information to be essentially recorded.SOLUTION: In an optical information reproducing device, a detection signal S obtained on the basis of a reflected light beam from an optical information recording medium is compared with a first signal level V1 and a second signal level V2 by a fluctuation detection part of a signal processing part to generate a first detection signal SV1 and a second detection signal SV2. In the signal processing part, the first detection signal SV1 and the second detection signal SV2 are converted into a first code sequence CV1 and a second code sequence CV2, respectively, by a code sequence generating part and when the second code sequence CV2 becomes a value 1, a substitution code sequence CR is substituted for a code sequence CB in the vicinity of the first code sequence CV1 to form a code sequence C. Thereby, in the optical information reproducing device, the code sequence C corresponding to two recording marks which should be essentially recorded can be generated even when merged recording marks are formed in the optical information recording medium.

Abstract translation: 要解决的问题：正确地再现要被实际记录的信息。解决方案：在光信息再现装置中，将根据来自光信息记录介质的反射光获得的检测信号S与第一信号电平V1 以及由信号处理部分的波动检测部分产生的第二信号电平V2，以产生第一检测信号SV1和第二检测信号SV2。 在信号处理部分中，第一检测信号SV1和第二检测信号SV2分别由代码序列生成部分转换成第一代码序列CV1和第二代码序列CV2，并且当第二代码序列CV2变为值 如图1所示，替代代码序列CR代替第一代码序列CV1附近的代码序列CB，以形成代码序列C.因此，在光信息再现装置中，对应于两个记录标记的代码序列C 即使在光学信息记录介质中形成合并的记录标记，也能够基本上记录。

公开(公告)号：JP2010113786A

公开(公告)日：2010-05-20

申请号：JP2008287817

申请日：2008-11-10

Applicant: Sony Corp ,  ソニー株式会社

Inventor： FUJITA GORO

IPC: G11B7/004 ,  G11B7/007 ,  G11B7/24 ,  G11B7/244

Abstract: PROBLEM TO BE SOLVED: To provide: an optical information recording medium in which recording capacity is increased and both of main data and sub-data are recorded; a recording apparatus which can record the sub-data; a counterfeiting preventing system which can prevent counterfeiting of the main data; and an authorizing terminal which can record code information. SOLUTION: An absorption change area RA is formed according to a recording light beam L1a using a recording material such as a photochromic material in which two-photon absorption reaction is caused, and the absorption change area RA and a refractive index modulation area RB are combined as a recording mark RM using characteristics of the optical information recording medium which forms the refractive index modulation area RB according to a recording light beam L1b, thereby recording both of the main data and the sub-data in the optical information recording medium as the recording mark RM. Further, a code generating section is provided which generates the code information as the sub-data. COPYRIGHT: (C)2010,JPO&INPIT

Abstract translation: 要解决的问题：提供：记录容量增加并记录主数据和子数据两者的光信息记录介质; 能够记录子数据的记录装置; 防伪伪造防伪系统; 以及可以记录代码信息的授权终端。 解决方案：使用诸如引起双光子吸收反应的光致变色材料的记录材料和吸收变化区域RA和折射率调制区域，根据记录光束L1a形成吸收变化区域RA 使用根据记录光束L1b形成折射率调制区域RB的光学信息记录介质的特性将RB组合成记录标记RM，由此将主数据和子数据两者记录在光信息记录介质中 作为记录标记RM。 此外，提供了生成代码信息作为子数据的代码生成部。 版权所有（C）2010，JPO＆INPIT

公开(公告)号：JP2010092519A

公开(公告)日：2010-04-22

申请号：JP2008259111

申请日：2008-10-03

Applicant: Sony Corp ,  ソニー株式会社

Inventor： SAITO KIMIHIRO ,  FUJITA GORO

IPC: G11B7/135 ,  G11B7/0045 ,  G11B7/125

Abstract: PROBLEM TO BE SOLVED: To improve accuracy of recording information on an optical disk. SOLUTION: An information optical system 150 of an optical disk device 110 can position, in the vicinity of a target position QG, both an absorption variation region RA based on a specific peak light LEP and an energy concentration region RE based on a specific slope light LES in a recording layer 101 by sequentially outputting the specific peak light LEP and the specific slope light LES as an information light beam LM from a semiconductor laser 3, and changing the divergence angle of the specific peak light LEP by means of a correction lens 162. As a result, a recording mark RM can be formed in the vicinity of the target position QG, so that the accuracy of recording information on the optical disk 100 can be improved. COPYRIGHT: (C)2010,JPO&INPIT

Abstract translation: 要解决的问题：提高光盘上记录信息的准确性。 解决方案：光盘装置110的信息光学系统150可以在目标位置QG附近定位基于特定峰值光LEP的吸收变化区域RA和基于特定峰值光LEP的能量集中区域RE 通过从半导体激光器3顺序地输出特定峰值光LEP和特定斜率光LES作为信息光束LM，并通过使用半导体激光器3改变特定峰值光LEP的发散角来记录记录层101中的特定倾斜光LES 校正透镜162.结果，可以在目标位置QG附近形成记录标记RM，从而可以提高光盘100上的记录信息的精度。 版权所有（C）2010，JPO＆INPIT

公开(公告)号：JP2010092518A

公开(公告)日：2010-04-22

申请号：JP2008259110

申请日：2008-10-03

Applicant: Sony Corp ,  ソニー株式会社

Inventor： SAITO KIMIHIRO ,  FUJITA GORO

IPC: G11B7/135 ,  G11B7/0045 ,  G11B7/125

Abstract: PROBLEM TO BE SOLVED: To improve accuracy of recoding information on an optical disk. SOLUTION: An information optical system 150 of an optical disk device 110 can position at a distance an absorption variation region RA based on a specific peak light LEP in a recording layer 101 by sequentially outputting the specific peak light LEP and a specific slope light LES as an information light beam LM from a semiconductor laser 3, and changing the divergence angle of the specific peak light LEP by means of a correction lens 162. An energy concentration region RE based on the specific slope light LES can be formed in the vicinity of a target position QG, and the recording accuracy of information on an optical disk 100 can be improved. COPYRIGHT: (C)2010,JPO&INPIT

Abstract translation: 要解决的问题：提高光盘上重新编码信息的准确性。 解决方案：光盘装置110的信息光学系统150可以基于记录层101中的特定峰值光LEP在一定距离处定位吸收变化区域RA，通过依次输出特定峰值光LEP和特定斜率 光LES作为来自半导体激光器3的信息光束LM，并且通过校正透镜162改变特定峰值光LEP的发散角。基于特定斜率光LES的能量集中区域RE可以形成在 可以提高目标位置QG的附近，并且可以提高光盘100上的信息的记录精度。 版权所有（C）2010，JPO＆INPIT

公开(公告)号：JP2010040063A

公开(公告)日：2010-02-18

申请号：JP2008198446

申请日：2008-07-31

Applicant: Sony Corp ,  ソニー株式会社

Inventor： FUJITA GORO ,  SAITO KIMIHIRO

IPC: G11B7/085 ,  G11B7/005 ,  G11B7/09 ,  G11B7/135

Abstract: PROBLEM TO BE SOLVED: To enhance the position accuracy of a recording mark formed in the uniform recording layer of an optical disk. SOLUTION: An information optical beam LM for forming a recording mark RM indicating information is converged by an objective lens to be applied to an optical disk as an optical information recording medium having a uniform recording layer. An optical disk device drives the objective lens in a focusing direction for approaching or moving away from the optical disk. In this case, according to an absorption coefficient change amount in the recording layer, the optical disk device positions the focus FM of the information optical beam LM at a target position PG shifted by a predetermined added distance from a target mark position PRM, where a recording mark RM should be formed in the recording layer, in the focusing direction. COPYRIGHT: (C)2010,JPO&INPIT

Abstract translation: 要解决的问题：提高在光盘的均匀记录层中形成的记录标记的位置精度。 解决方案：用于形成指示信息的记录标记RM的信息光束LM被作为具有均匀记录层的光学信息记录介质的光盘的物镜会聚。 光盘装置沿聚焦方向驱动物镜接近或远离光盘。 在这种情况下，根据记录层中的吸收系数变化量，光盘装置将信息光束LM的聚焦FM定位在从目标标记位置PRM偏移预定的附加距离的目标位置PG处，其中 记录标记RM应在聚焦方向上形成在记录层中。 版权所有（C）2010，JPO＆INPIT

公开(公告)号：JP2009277320A

公开(公告)日：2009-11-26

申请号：JP2008129732

申请日：2008-05-16

Applicant: Sony Corp ,  ソニー株式会社

Inventor： FUJITA GORO ,  KOBAYASHI SEIJI

IPC: G11B20/18 ,  G11B20/10 ,  G11B20/12 ,  H04N5/85 ,  H04N5/91

Abstract: PROBLEM TO BE SOLVED: To record user data UD and parity data PD on an optical disk 100 in a short time. SOLUTION: When the user data UD are recorded on the optical disk 100, a recording region R is divided into first to fourth recording regions R1-R4, the user data UD are successively recorded on the first to third recording regions R1-R3, the exclusive OR of the user data UD recorded on a corresponding sector SC is calculated to generate parity data, and parity addition recording is performed to record the parity data on a corresponding sector SC in the fourth recording region R4. In this case, first to third region data UD1-UD3 are recorded not only on the first to third recording regions R1-R3 in the optical disk 100, but also on a hard disk device 7, and the first to third region data UD1-UD3 are reproduced from the hard disk device 7 when calculating the parity data PD. COPYRIGHT: (C)2010,JPO&INPIT

Abstract translation: 要解决的问题：在短时间内将用户数据UD和奇偶校验数据PD记录在光盘100上。 解决方案：当用户数据UD被记录在光盘100上时，记录区域R被分成第一至第四记录区域R1-R4，用户数据UD被连续记录在第一至第三记录区域R1- R3，计算记录在相应扇区SC上的用户数据UD的异或，以产生奇偶校验数据，执行奇偶校验相加记录，以将奇偶校验数据记录在第四记录区域R4中的对应扇区SC上。 在这种情况下，第一至第三区域数据UD1-UD3不仅记录在光盘100中的第一至第三记录区域R1-R3上，而且还记录在硬盘装置7上，并且第一至第三区域数据UD1- 当计算奇偶校验数据PD时，从硬盘装置7再现UD3。 版权所有（C）2010，JPO＆INPIT

公开(公告)号：JP2009187633A

公开(公告)日：2009-08-20

申请号：JP2008028059

申请日：2008-02-07

Applicant: Sony Corp ,  ソニー株式会社

Inventor： FUJITA GORO ,  YUAN JINGCHENG ,  SAITO KIMIHIRO

IPC: G11B7/09 ,  G11B7/007 ,  G11B7/135

Abstract: PROBLEM TO BE SOLVED: To appropriately irradiate a tilted optical disk with an optical beam. SOLUTION: The optical disk device 10 generates radius information MR1 and MR2 based on first address information MA1 showing an address followed by the focus Fr1 of a red optical beam Lr1on on a servo layer 104 and second address information MA2 showing an address followed by the focus Fr2 of a red optical beam Lr2 on a servo layer 105, while an objective lens 6 is focus-controlled and tracking-controlled to focus the read optical beam Lr1 on a target track TG1; and tilts the optical axis XL of the read optical beams Lr1 and Lr2 and a blue optical beam LB1 to be aligned with a normal XG of the servo layer 104 on the target track TG1 by tilting the objective lens 6 according to a tilt angle θG calculated by using the address information and an expression (6). COPYRIGHT: (C)2009,JPO&INPIT

Abstract translation: 要解决的问题：适当地照射具有光束的倾斜光盘。 光盘装置10基于第一地址信息MA1生成半径信息MR1和MR2，该第一地址信息MA1表示在伺服层104上的红色光束Lr1on的后面跟着的地址，第二地址信息MA2表示跟随的地址 通过对伺服层105上的红色光束Lr2的聚焦Fr2进行聚焦控制和跟踪控制，将读出的光束Lr1聚焦在目标轨道TG1上; 并且通过根据计算出的倾斜角θG倾斜物镜6，使读取光束Lr1和Lr2的光轴XL和蓝色光束LB1与目标轨道TG1上的伺服层104的法线XG对准 通过使用地址信息和表达式（6）。 版权所有（C）2009，JPO＆INPIT

公开(公告)号：JP2008305503A

公开(公告)日：2008-12-18

申请号：JP2007152539

申请日：2007-06-08

Applicant: Sony Corp ,  ソニー株式会社

Inventor： HAYASHI KUNIHIKO ,  FUJITA GORO ,  HORIGOME TOSHIHIRO ,  SAITO KIMIHIRO

IPC: G11B7/0065 ,  G11B7/135 ,  G11B7/24

Abstract: PROBLEM TO BE SOLVED: To provide a recording apparatus, a playback apparatus, a recording method, a playback method and a recording medium excellent in recording and reproducing a large amount of data. SOLUTION: The recording apparatus recording data in a recording medium having a recording layer is provided with: a loading part in which the recording medium is loaded; and a recording part simultaneously recording data into a plurality of positions of the recording layer of the recording medium loaded in the loading part, the positions being nearly equal in the plane direction and different in the thickness direction of the recording layer. The playback apparatus playing back the recording medium with data recorded in the recording layer is provided with: a loading part in which the recording medium is loaded; and a playback part simultaneously playing back data from the plurality of positions of the recording layer of the recording medium loaded in the loading part, the positions being nearly equal in the plane direction and different in the thickness direction of the recording layer. COPYRIGHT: (C)2009,JPO&INPIT

Abstract translation: 要解决的问题：提供记录和再现大量数据的记录装置，重放装置，记录方法，重放方法和记录介质。 解决方案：在具有记录层的记录介质中记录数据的记录装置设置有：装载记录介质的装载部分; 以及记录部件，同时将数据记录到装载在装载部分中的记录介质的记录层的多个位置中，该位置在记录层的平面方向上几乎相等，并且在厚度方向上不同。 重放装置中记录有记录在记录层中的数据的重放装置设置有：加载记录介质的装载部分; 以及播放部分，同时从装载部分的记录介质的记录层的多个位置重放数据，该位置在记录层的平面方向和厚度方向上几乎相等。 版权所有（C）2009，JPO＆INPIT