公开(公告)号：US5513197A

公开(公告)日：1996-04-30

申请号：US149568

申请日：1993-11-09

申请人： Kenji Koishi

发明人： Kenji Koishi

IPC分类号： H03K17/78 ,  H01S5/042 ,  H01S5/0683 ,  H01S3/10 ,  G11B7/00 ,  H01S3/00

CPC分类号： H01S5/042 ,  H01S5/06835 ,  H01S5/0428

摘要： A first current source applies a first current to an anode of a semiconductor laser, and a second current source either draws a second current from the anode of the semiconductor layer or supplies the second current to the anode of the semiconductor layer. A switched current source connected to the anode of the semiconductor layer selectively draws a third current from the anode of the semiconductor laser. The third current has a value corresponding to a difference between a peak value and a minimum value of a pulse current flow in the semiconductor laser during a recording operation. By drawing the third current from the anode of the semiconductor laser according to recording data, a high speed and high power recording operation can be effected.

摘要翻译： 第一电流源将第一电流施加到半导体激光器的阳极，并且第二电流源从半导体层的阳极吸取第二电流或将第二电流提供给半导体层的阳极。 连接到半导体层的阳极的开关电流源选择性地从半导体激光器的阳极吸取第三电流。 第三电流具有对应于记录操作期间半导体激光器中的脉冲电流的峰值和最小值之间的差的值。 通过根据记录数据从半导体激光器的阳极拉出第三电流，可以实现高速和高功率记录操作。

公开(公告)号：US5420690A

公开(公告)日：1995-05-30

申请号：US278101

申请日：1994-07-20

申请人： Kenji Koishi

发明人： Kenji Koishi

IPC分类号： G11B7/00 ,  G11B7/004 ,  G11B20/10 ,  G11B27/034 ,  G11B27/10 ,  H04N5/91 ,  H04N5/782

CPC分类号： G11B20/10 ,  G11B27/034 ,  G11B27/105 ,  G11B7/004 ,  H04N5/91 ,  G11B2020/10592 ,  G11B2220/20 ,  G11B2220/2525

摘要： An optical recording and/or reproducing apparatus is operable to transmit at a high speed a long-play program comprising video and/or audio signals and has a capability of recording the program during a playback mode at a normal reproducing speed of the program. At a transmitter side, a digital data of the program is divided on a time-sharing basis and is then reproduced from an optical disc at a high transfer rate simultaneously with a plurality of channels of optical read/write heads so that, when the digital data is transmitted, the length of time during which the transmission occupies a transmission line can be reduced. On the other hand, at a receiver side, the transmitted signals are recorded on the optical disc at a high transfer rate simultaneously using plural channels of optical read/write heads. When a subscriber wishes to view the program, only one channel of the optical head is used to sequentially reproduce the data at the normal reproducing speed to reproduce the program while maintaining the sequence and speed of the original program. In this way, an optical recording and/or reproducing apparatus capable of reducing the time during which the transmission occupies the transmission line can be realized.

摘要翻译： 光学记录和/或再现装置可操作以高速传输包括视频和/或音频信号的长播节目，并且具有在节目的正常再现速度的播放模式期间记录节目的能力。 在发射机一侧，程序的数字数据在分时基础上被划分，然后与多个光学读/写头通道同时以高传输速率从光盘再现，使得当数字 传输数据，可以减少传输占用传输线的时间长度。 另一方面，在接收机侧，使用多个光学读/写头同时以高传输速率将传输的信号记录在光盘上。 当用户希望观看节目时，仅使用光头的一个通道以正常的再现速度顺序再现数据，以便在保持原始节目的顺序和速度的同时再现节目。 以这种方式，可以实现能够减少传输占用传输线的时间的光学记录和/或再现装置。

公开(公告)号：US4566088A

公开(公告)日：1986-01-21

申请号：US542014

申请日：1983-10-12

申请人： Tomio Yoshida ,  Isao Satoh ,  Shunji Ohara ,  Kenji Koishi ,  Yuzuru Kuroki

发明人： Tomio Yoshida ,  Isao Satoh ,  Shunji Ohara ,  Kenji Koishi ,  Yuzuru Kuroki

IPC分类号： G11B7/135 ,  G11B7/0055 ,  G11B7/007 ,  G11B7/08 ,  G11B7/125 ,  G11B7/00

CPC分类号： G11B7/125 ,  G11B7/00557 ,  G11B7/00745 ,  G11B7/08

摘要： An optical and reversible recording and reproducing apparatus providing a practical apparatus in which information signals can be recorded, reproduced and erased by irradiating a laser beam and the like on the substrate to be optically recorded. More practically, there is provided such an apparatus wherein two light sources such as lasers having different wavelengths are used, and a first almost circular micro-lightspot is produced by one light source, while a second elliptic light spot having a longitudinal diameter in the tangential direction of a guide track on a disc is produced by the other light source. These first and second light spots are closely irradiated on one and the same guide track of an optical recording disc. The recording and reproducing of the signals are performed using the first light spot while the erasure of the recorded signals can be made by using the second light spot or using both first and second light spots in combination.

摘要翻译： 一种提供实用的设备的光学和可逆记录和再现设备，其中可以通过在光学记录的基板上照射激光束等来记录，再现和擦除信息信号。 更实际地，提供了这样的装置，其中使用诸如具有不同波长的激光器的两个光源，并且由一个光源产生第一几乎圆形的微光点，而具有切线中的纵向直径的第二椭圆形光点 光盘上的导轨的方向由另一光源产生。 这些第一和第二光斑被紧密地照射在光学记录盘的同一导轨上。 使用第一光点执行信号的记录和再现，同时可以通过使用第二光斑或同时使用第一和第二光点来组合擦除记录信号。

公开(公告)号：US4564931A

公开(公告)日：1986-01-14

申请号：US513247

申请日：1983-07-13

申请人： Shunji Ohara ,  Tomio Yoshida ,  Isao Satoh ,  Kenji Koishi

发明人： Shunji Ohara ,  Tomio Yoshida ,  Isao Satoh ,  Kenji Koishi

IPC分类号： G02B27/28 ,  G11B7/08 ,  G11B7/12

CPC分类号： G02B27/283 ,  G11B7/08 ,  G11B7/12

摘要： An optical recording and reproducing head wherein light beams emitted from two light sources are combined and applied to a recording medium and the light beams reflected from the recording medium are drawn out in such a way that they are separated from each other. The wavelengths of the light beams from both light sources are different from each other, i.e., .lambda..sub.1, .lambda..sub.2, and the light beams from the light sources are combined by means of a polarization beam splitter, two quarter wave plates and optical filters, and are then simultaneously focussed by a single focussing lens substantially along the optical axis thereof, thereby allowing microspots of focussed light to be disposed on a disc close to each other. The light beams reflected from the disc are drawn out so as to be completely separated from each other by the polarization beam splitter owing to the difference in polarization direction.

摘要翻译： 一种光记录和再现头，其中从两个光源发射的光束被组合并施加到记录介质，并且从记录介质反射的光束被拉出以使得它们彼此分离。 来自两个光源的光束的波长彼此不同，即λ1，λ2，并且来自光源的光束通过偏振分束器，两个四分之一波片和光学滤光器组合， 然后基本上沿着其光轴由单个聚焦透镜同时聚焦，从而允许聚焦光的微点被布置在彼此靠近的盘上。 由于偏振方向的差异，从光盘反射的光束被引出，以便通过偏振分束器彼此完全分离。

公开(公告)号：US4546462A

公开(公告)日：1985-10-08

申请号：US446007

申请日：1982-12-01

申请人： Kenji Koishi ,  Tomio Yoshida ,  Isao Satoh ,  Shunji Ohara

发明人： Kenji Koishi ,  Tomio Yoshida ,  Isao Satoh ,  Shunji Ohara

IPC分类号： G11B7/0045 ,  G11B7/09 ,  G11B19/04 ,  G11B20/18 ,  G11B27/30 ,  G11B27/36 ,  G11B15/02 ,  G11B27/00

CPC分类号： G11B7/0948 ,  G11B19/04 ,  G11B20/18 ,  G11B27/3027 ,  G11B27/36 ,  G11B7/0045

摘要： An optical data recording and reproducing apparatus for recording digital data in a recording track on an optical recording disc. The apparatus includes a light illuminating unit for condensing an output light beam from a light source and for illuminating the disc, a recording-reproducing unit for recording and reproducing the digital data by a recording light beam and a reproducing light beam from the light illuminating unit, a dropout detecting and inspecting unit, and a recording-prohibited sector detecting unit to produce an output signal identifying a recording-prohibited sector where recording is prohibited responsive to an output signal from the dropout detecting and inspecting unit. The sector address of a recording-prohibited sector is recorded at least until recording of digital data in the recording track on the optical disc is begun. A comparator unit compares the sector address of the recording-prohibited sector with a sector address read continuously from the disc. The comparator generates a coincidence output signal which prohibits any output from the recording light beam, thus preventing any recording until the next sector on the disc is encountered.

摘要翻译： 一种光学数据记录和再现装置，用于在光学记录盘上的记录轨道中记录数字数据。 该装置包括用于聚集来自光源的输出光束并用于照亮盘的光照射单元，用于通过记录光束记录和再现数字数据的记录再现单元和来自光照射单元的再现光束 一个压差检测和检查单元，以及一个记录禁止扇区检测单元，用于根据来自差错检测和检测单元的输出信号，产生一个识别禁止记录的记录禁止扇区的输出信号。 记录禁止扇区的扇区地址至少记录在光盘上的记录轨道中的数字数据的记录开始之前。 比较器单元将记录禁止扇区的扇区地址与从盘连续读取的扇区地址进行比较。 比较器产生一个重合输出信号，该信号禁止记录光束的任何输出，从而防止任何记录直到遇到盘上的下一扇区。

公开(公告)号：US20110286315A1

公开(公告)日：2011-11-24

申请号：US13194138

申请日：2011-07-29

申请人： Yoshiho Gotoh ,  Mitsuaki Oshima ,  Shinichi Tanaka ,  Kenji Koishi ,  Mitsuro Moriya

发明人： Yoshiho Gotoh ,  Mitsuaki Oshima ,  Shinichi Tanaka ,  Kenji Koishi ,  Mitsuro Moriya

IPC分类号： G11B20/10 ,  B41M3/14

CPC分类号： G11B27/24 ,  G06K1/126 ,  G06K19/04 ,  G06K19/06018 ,  G06K19/06028 ,  G06K19/08 ,  G06K19/14 ,  G06K2019/06243 ,  G06K2019/06271 ,  G11B5/86 ,  G11B7/0037 ,  G11B7/005 ,  G11B7/0053 ,  G11B7/007 ,  G11B7/00736 ,  G11B7/24038 ,  G11B7/26 ,  G11B7/268 ,  G11B13/04 ,  G11B13/045 ,  G11B19/04 ,  G11B19/12 ,  G11B19/122 ,  G11B20/00086 ,  G11B20/00094 ,  G11B20/00115 ,  G11B20/00123 ,  G11B20/00137 ,  G11B20/00144 ,  G11B20/00152 ,  G11B20/0021 ,  G11B20/0026 ,  G11B20/00268 ,  G11B20/00326 ,  G11B20/00347 ,  G11B20/00384 ,  G11B20/00492 ,  G11B20/00528 ,  G11B20/00543 ,  G11B20/00557 ,  G11B20/00586 ,  G11B20/0071 ,  G11B20/0084 ,  G11B20/00855 ,  G11B20/00876 ,  G11B20/0092 ,  G11B20/10 ,  G11B20/1217 ,  G11B20/1252 ,  G11B20/1403 ,  G11B20/1419 ,  G11B20/1426 ,  G11B20/1833 ,  G11B23/0042 ,  G11B23/281 ,  G11B23/283 ,  G11B23/284 ,  G11B23/30 ,  G11B23/34 ,  G11B23/38 ,  G11B2007/0013 ,  G11B2020/122 ,  G11B2020/1259 ,  G11B2220/213 ,  G11B2220/2545 ,  G11B2220/2562 ,  G11B2220/61

摘要： Disclosed is an optical disk barcode forming method wherein, as information to be barcoded, position information for piracy prevention, which is a form of ID, is coded as a barcode and is recorded by laser trimming on a reflective film in a PCA area of an optical disk. When playing back the thus manufactured optical disk on a reproduction apparatus, the barcode data can be played back using the same optical pickup.

摘要翻译： 公开了一种光盘条形码形成方法，其中作为条形码的信息，作为ID的形式的用于防盗的位置信息被编码为条形码，并且通过激光修整记录在PCA的PCA区域中的反射膜上 光盘。 当在再现装置上播放由此制造的光盘时，可以使用相同的光学拾取器来重放条形码数据。

公开(公告)号：US08023380B2

公开(公告)日：2011-09-20

申请号：US12339708

申请日：2008-12-19

申请人： Mamoru Shoji ,  Kenji Koishi ,  Atsushi Nakamura ,  Takashi Ishida ,  Shuichi Tasaka

发明人： Mamoru Shoji ,  Kenji Koishi ,  Atsushi Nakamura ,  Takashi Ishida ,  Shuichi Tasaka

IPC分类号： G11B7/00

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

摘要： The 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. In the optical data recording method, at least two of the plurality of recording marks comprises: 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. The multi-pulse train has a pulse period longer than T which represents a reference period of the recording modulation code.

摘要翻译： 该光学数据记录方法包括以下步骤：调制要记录的数据，以产生多个记录调制码; 并向光盘发射脉冲状光束，使得在光盘上形成具有与多个记录调制码对应的长度的多个记录标记和空间。 在光学数据记录方法中，多个记录标记中的至少两个记录标记包括：设置在前面并形成记录标记的前沿的第一脉冲，设置在后端并形成尾部的最后脉冲 记录标记的边缘，以及设置在第一脉冲和最后脉冲之间并形成记录标记的中心的多脉冲串。 多脉冲串具有长于T的脉冲周期，其表示记录调制码的参考周期。

公开(公告)号：US07492689B2

公开(公告)日：2009-02-17

申请号：US11928340

申请日：2007-10-30

申请人： Mamoru Shoji ,  Kenji Koishi ,  Atsushi Nakamura ,  Takashi Ishida ,  Shuichi Tasaka

发明人： Mamoru Shoji ,  Kenji Koishi ,  Atsushi Nakamura ,  Takashi Ishida ,  Shuichi Tasaka

IPC分类号： G11B7/0045

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

摘要： A method is provided for producing a data storage medium by recording disc information on the data storage medium.

公开(公告)号：US07489613B2

公开(公告)日：2009-02-10

申请号：US11842189

申请日：2007-08-21

申请人： Mamoru Shoji ,  Kenji Koishi ,  Atsushi Nakamura ,  Takashi Ishida ,  Shuichi Tasaka

发明人： Mamoru Shoji ,  Kenji Koishi ,  Atsushi Nakamura ,  Takashi Ishida ,  Shuichi Tasaka

IPC分类号： G11B7/0045

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

摘要： A data storage medium is provided on which data is to be recorded by modulating the data to generate a plurality of recording modulation codes and irradiating a pulse-like light beam to the data storage medium, so that a plurality of recording marks and spaces which have lengths corresponding to the plurality of recording modulation codes are formed on the data storage medium. 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. The multi-pulse train has a pulse period longer than T which represents a reference period of the recording modulation code. The plurality of recording marks have different lengths represented by T with each other. A number of pulses in each of the recording pulse trains is increased by one as the recording mark is increased in length by 2T. A shortest recording mark and a second shortest recording mark are constituted of a single pulse, respectively.

摘要翻译： 提供数据存储介质，通过对数据进行调制以产生多个记录调制码并将脉冲状光束照射到数据存储介质上，从而使多个记录标记和空间具有 对应于多个记录调制码的长度形成在数据存储介质上。 多个记录标记中的至少两个由根据记录脉冲序列发射的光束形成。 记录脉冲串包括设置在前面并形成记录标记的前沿的第一脉冲，设置在后端并形成记录标记的后沿的最后脉冲和多脉冲串， 设置在第一脉冲和最后脉冲之间并形成记录标记的中心。 多脉冲串具有长于T的脉冲周期，其表示记录调制码的参考周期。 多个记录标记具有由T表示的彼此不同的长度。 随着记录标记的长度增加2T，每个记录脉冲串中的脉冲数增加1个。 最短记录标记和第二最短记录标记分别由单个脉冲构成。

公开(公告)号：US07489612B2

公开(公告)日：2009-02-10

申请号：US11842185

申请日：2007-08-21

申请人： Mamoru Shoji ,  Kenji Koishi ,  Atsushi Nakamura ,  Takashi Ishida ,  Shuichi Tasaka

发明人： Mamoru Shoji ,  Kenji Koishi ,  Atsushi Nakamura ,  Takashi Ishida ,  Shuichi Tasaka

IPC分类号： G11B7/0045

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

摘要： A data storage medium is provided on which data is to be recorded by modulating the data to generate a plurality of recording modulation codes and irradiating a pulse-like light beam to the data storage medium, so that a plurality of recording marks and spaces which have lengths corresponding to the plurality of recording modulation codes are formed on the data storage medium. The data storage medium comprises a disc information area that includes a region on which at least one of an irradiation information of the light beam to form the recording marks and a constitution information of the recording mark is to be recorded. 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 comprises 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. The multi-pulse train has a pulse period longer than T which represents a reference period of the recording modulation code. The plurality of recording marks have different lengths represented by T with each other. A number of pulses in each of the recording pulse trains is increased by one as the recording mark is increased in length by 2T. A shortest recording mark and a second shortest recording mark are constituted of a single pulse, respectively. Each of the multi-pulse trains has an equal pulse width and pulse interval in the plurality of recording marks.

摘要翻译： 提供数据存储介质，通过对数据进行调制以产生多个记录调制码并将脉冲状光束照射到数据存储介质上，从而使多个记录标记和空间具有 对应于多个记录调制码的长度形成在数据存储介质上。 数据存储介质包括盘信息区，其包括要在其上记录形成记录标记的光束的照射信息和记录标记的结构信息中的至少一个的区域。 多个记录标记中的至少两个由根据记录脉冲序列发射的光束形成。 记录脉冲串包括设置在前面并形成记录标记的前沿的第一脉冲，设置在后端并形成记录标记的后沿的最后脉冲和多脉冲串，其中 设置在第一脉冲和最后脉冲之间并形成记录标记的中心。 多脉冲串具有长于T的脉冲周期，其表示记录调制码的参考周期。 多个记录标记具有由T表示的彼此不同的长度。 随着记录标记的长度增加2T，每个记录脉冲串中的脉冲数增加1个。 最短记录标记和第二最短记录标记分别由单个脉冲构成。 每个多脉冲串在多个记录标记中具有相等的脉冲宽度和脉冲间隔。