公开(公告)号：US5317553A

公开(公告)日：1994-05-31

申请号：US745486

申请日：1991-08-15

申请人： Norio Ohga ,  Katsuaki Tsurushima ,  Tadao Yoshida

发明人： Norio Ohga ,  Katsuaki Tsurushima ,  Tadao Yoshida

IPC分类号： G11B20/12 ,  G11B7/00 ,  G11B7/004 ,  G11B7/09 ,  G11B11/105 ,  G11B20/00 ,  G11B20/10 ,  G11B21/08 ,  G11B27/00 ,  G11B27/19 ,  G11B27/24 ,  G11B27/30 ,  G11B27/36

CPC分类号： G11B20/10527 ,  G11B11/10502 ,  G11B11/10595 ,  G11B20/00007 ,  G11B27/19 ,  G11B27/24 ,  G11B27/3063 ,  G11B27/36 ,  G11B7/004 ,  G11B7/0946 ,  G11B2020/10592 ,  G11B2220/20 ,  G11B2220/216 ,  G11B2220/2525 ,  G11B2220/2545 ,  G11B27/3027

摘要： A disc-shaped recording medium and a recording/reproducing apparatus employing the disc-shaped recording medium as a recording medium, are disclosed. The recording medium has a diameter of not more than 80 mm, and a recording track is formed on the recording medium with a track pitch of approximately 1.6 .mu.m. Information in excess of 130 Mbytes is recorded in a data compressed state on the recording track and the recording medium is rotationally driven at a constant linear velocity for recording and optically reproducing the information. The recording/reproducing apparatus employing the disc-shaped recording medium as a recording medium includes a buffer memory between a data compressing circuit for compressing input digital data and a recording encoding circuit for processing the compressed data by modulation suitable for recording, as long as a recording system of the apparatus is concerned, and a buffer memory between a playback decoding circuit for processing the compressed data by error correction decoding and demodulation complementary to the modulation and a data expansion circuit for expanding the compressed data to the original state. By suitably selecting the capacity of the buffer memories, recording and reproduction may continue satisfactorily even if the scanning position of the recording head and the optical head undergoes track jump during recording or reproduction.

摘要翻译： 公开了一种盘形记录介质和采用盘形记录介质作为记录介质的记录/再现装置。 记录介质的直径不大于80mm，并且记录轨道形成在轨道间距大约为1.6μm的记录介质上。 在记录磁道上以数据压缩状态记录超过130M字节的信息，并且以恒定的线速旋转驱动记录介质以进行记录和光学再现信息。 采用盘形记录介质作为记录介质的记录/再现装置包括用于压缩输入数字数据的数据压缩电路和用于通过适于记录的调制来处理压缩数据的记录编码电路之间的缓冲存储器，只要 关于该装置的记录系统以及用于通过纠错解码和与调制互补的解调来处理压缩数据的重放解码电路之间的缓冲存储器和用于将压缩数据扩展到原始状态的数据扩展电路。 通过适当地选择缓冲存储器的容量，即使记录头和光头的扫描位置在记录或再现期间经历轨迹跳跃，记录和再现可以令人满意地继续。

公开(公告)号：US5859834A

公开(公告)日：1999-01-12

申请号：US203694

申请日：1994-02-28

申请人： Kenji Takahashi ,  Katsuaki Tsurushima ,  Tadao Yoshida ,  Kazuhiko Fujiie ,  Hirotoshi Fujisawa ,  Hiroshi Mukawa

发明人： Kenji Takahashi ,  Katsuaki Tsurushima ,  Tadao Yoshida ,  Kazuhiko Fujiie ,  Hirotoshi Fujisawa ,  Hiroshi Mukawa

IPC分类号： G11B7/24 ,  G11B7/24003 ,  G11B7/26 ,  G11B23/00

CPC分类号： G11B7/26 ,  G11B23/0035 ,  G11B7/24 ,  G11B7/24003

摘要： An optical disc includes a disc base plate of a light-transmitting synthetic material having a recess for mounting a magnetic plate, and a holding part, integral with the disc base plate, for loosely holding the magnetic plate mounted in the recess with respect to the disc base plate. It is possible with the present optical disc to prevent distortion of the disc base plate otherwise caused by the difference in thermal expansion coefficients of the two components to inhibit double refraction of the disc base plate otherwise caused by such distortion to maintain good recording/reproducing characteristics.

摘要翻译： 光盘包括具有用于安装磁性板的凹部的透光合成材料的盘基板，以及与盘基板一体的保持部，用于松动地将安装在凹部中的磁板相对于 盘基板。 使用本光盘可以防止由于两个部件的热膨胀系数的差异导致的盘基板的变形，从而抑制盘基板的双重折射，否则由这种变形引起的，以保持良好的记录/再现特性 。

公开(公告)号：US5537387A

公开(公告)日：1996-07-16

申请号：US439471

申请日：1995-05-11

申请人： Ryo Ando ,  Tadao Yoshida ,  Katsuaki Tsurushima

发明人： Ryo Ando ,  Tadao Yoshida ,  Katsuaki Tsurushima

IPC分类号： G11B20/12 ,  G11B7/0037 ,  G11B7/007 ,  G11B11/105 ,  G11B19/00 ,  G11B27/00 ,  G11B27/10 ,  G11B27/11 ,  G11B27/30 ,  G11B27/32 ,  G11B27/34 ,  G11B7/24 ,  G11B3/90

CPC分类号： G11B19/00 ,  G11B20/1251 ,  G11B27/105 ,  G11B27/11 ,  G11B27/3063 ,  G11B27/329 ,  G11B27/34 ,  G11B11/10502 ,  G11B11/10595 ,  G11B20/1217 ,  G11B2220/211 ,  G11B2220/218 ,  G11B2220/2525 ,  G11B2220/2545 ,  G11B2220/255 ,  G11B2220/65 ,  G11B7/0037 ,  G11B7/007

摘要： An optical disc, and a disc recorder and a disc reproducer therefor, wherein in a lead-in region of the disc table of contents data indicating the record position on the disc of main data, e.g. musical numbers or the like, are recorded as subcodes and display data of, e.g. the titles of the musical numbers, the performers, etc., are also recorded as main data and wherein in a data region on the disc are recorded play data for the musical numbers as well as display data of the titles, performers, etc. of the musical numbers.

摘要翻译： 一种光盘，以及一种盘记录器和一种盘再生器，其中在盘表中的导入区内，表示盘上记录在主数据上的位置，例如， 音乐编号等被记录为子码和显示数据。 音乐编号，表演者等的标题也被记录为主数据，并且其中在盘上的数据区中记录音乐编号的播放数据以及标题，演奏者等的显示数据 音乐编号。

公开(公告)号：US5244705A

公开(公告)日：1993-09-14

申请号：US746967

申请日：1991-08-19

申请人： Katsuaki Tsurushima ,  Tadao Yoshida

发明人： Katsuaki Tsurushima ,  Tadao Yoshida

IPC分类号： G11B7/007 ,  G11B7/24 ,  G11B20/00 ,  G11B20/10 ,  G11B20/12 ,  G11B27/30 ,  G11B27/32 ,  G11B27/34 ,  G11B27/36

CPC分类号： G11B20/00007 ,  G11B20/10527 ,  G11B20/1251 ,  G11B27/3027 ,  G11B27/3036 ,  G11B27/3063 ,  G11B27/329 ,  G11B27/34 ,  G11B27/36 ,  G11B7/007 ,  G11B7/24 ,  G11B20/1217 ,  G11B2020/10592 ,  G11B2220/213 ,  G11B2220/2525 ,  G11B2220/2545 ,  Y10S428/913

摘要： A disc-shaped recording medium for storing compressed audio data which have been recorded thereon by an optical recording apparatus. The inner diameter of a data recording region of the disc-shaped recording medium is in the range from 28 mm to 50 mm. The outer diameter of the data recording region is in the range from 58 mm to 62 mm for an inner diameter of 28 mm, and is in the range from 71 mm to 73 mm for an inner diameter of 50 mm. The disc-shaped recording medium may be used with a small-sized portable disc recording and reproducing apparatus, and can record compressed audio data for playback with a playback time substantially as long as that of a standard compact disc having 12 cm diameter.

公开(公告)号：US5666347A

公开(公告)日：1997-09-09

申请号：US343362

申请日：1994-11-22

申请人： Tadao Yoshida ,  Katsuaki Tsurushima

发明人： Tadao Yoshida ,  Katsuaki Tsurushima

IPC分类号： G11B17/028 ,  G11B23/00 ,  G11B3/70

CPC分类号： G11B17/0282 ,  G11B23/0035

摘要： A plate made of a magnetic material is secured to an optical disk so that it closes a central hole formed in a disk substrate. An optical disk chucking mechanism for chucking the optical disk to a disk table attracts the magnetic plate by the magnet to cause a platen to abut to the disk substrate and a tapered portion to abut to the inner side of the central hole so that the optical disk is restricted in position and is held. The optical disk and optical disk chucking mechanism restrict the loading position of the optical disk on the disk table independently of the mounting position of the magnetic plate on the disk substrate.

摘要翻译： 由磁性材料制成的板被固定在光盘上，从而封闭形成在盘基片上的中心孔。 用于将光盘夹持到盘台的光盘夹紧机构通过磁体吸引磁板，使压板与盘基板抵接，锥形部分抵靠中心孔的内侧，使得光盘 被限制在被拘留。 光盘和光盘夹持机构将磁盘的装载位置限制在盘片基板上的磁盘的安装位置上。

公开(公告)号：US5521900A

公开(公告)日：1996-05-28

申请号：US171263

申请日：1993-12-21

申请人： Ryo Ando ,  Tadao Yoshida ,  Katsuaki Tsurushima

发明人： Ryo Ando ,  Tadao Yoshida ,  Katsuaki Tsurushima

IPC分类号： G11B20/12 ,  G11B7/0037 ,  G11B7/007 ,  G11B11/105 ,  G11B19/00 ,  G11B27/00 ,  G11B27/10 ,  G11B27/11 ,  G11B27/30 ,  G11B27/32 ,  G11B27/34 ,  G11B11/10 ,  G11B7/26

CPC分类号： G11B19/00 ,  G11B20/1251 ,  G11B27/105 ,  G11B27/11 ,  G11B27/3063 ,  G11B27/329 ,  G11B27/34 ,  G11B11/10502 ,  G11B11/10595 ,  G11B20/1217 ,  G11B2220/211 ,  G11B2220/218 ,  G11B2220/2525 ,  G11B2220/2545 ,  G11B2220/255 ,  G11B2220/65 ,  G11B7/0037 ,  G11B7/007

摘要： An optical disc, and a disc recorder and a disc reproducer therefor, wherein in a lead-in region of the disc table of contents data indicating the record position on the disc of main data, e.g. musical numbers or the like, are recorded as subcodes and display data of, e.g. the titles of the musical numbers, the performers, etc., are also recorded as main data and wherein in a data region on the disc are recorded play data for the musical numbers as well as display data of the titles, performers, etc. of the musical numbers.

摘要翻译： 一种光盘，以及一种盘记录器和一种盘再生器，其中在盘表中的导入区内，表示盘上记录在主数据上的位置，例如， 音乐编号等被记录为子码和显示数据。 音乐编号，表演者等的标题也被记录为主数据，并且其中在盘上的数据区中记录音乐编号的播放数据以及标题，演奏者等的显示数据 音乐编号。

公开(公告)号：US06380378B1

公开(公告)日：2002-04-30

申请号：US09471802

申请日：1999-12-23

申请人： Akinori Kitamura ,  Yoji Horie ,  Takayoshi Uchida ,  Tadao Yoshida

发明人： Akinori Kitamura ,  Yoji Horie ,  Takayoshi Uchida ,  Tadao Yoshida

IPC分类号： C07H2100

CPC分类号： C07H21/00 ,  C07H19/04 ,  Y02P20/55

摘要： Novel nucleotide compounds represented by the formula (I) wherein R1 represents a protective group or a PEG bearing organic group; R2, R2′, R2″, R3, R3′ and R3″ each represents a hydrogen atom or an alkyl, cycloalkyl, aryl or aralkyl group which may contain a hetero-atom; B1, B2, B3 and B4 each represents a base, if necessary, protected by a protective group common in nucleotide chemistry or by a PEG bearing organic group; X, X′ and X″ each represents an oxygen atom or a sulfur atom; Y represents an azolyl group, a mono- or di-alkylamino group or a saturated nitrogenous heterocyclic ring; A1, A2, A3 and A4 each represents a hydrogen atom, a hydroxyl group, an alkoxy group or a trialkylsilyloxy group; and m and n each represents 0 or an integer of 1 to 100. The nucleotide of the formula (I) can be used as it is in a reaction mixture for further reaction with 3′-O- and 5′-O-unprotected nucleoside or nucleotide of the formula (II) to yield a nucleotide block or oligonucleotide, and thus is useful as in situ DNA synthesis reagents.

摘要翻译： 由式（I）表示的新型核苷酸化合物，其中R 1表示保护基或带有PEG的有机基团; R2，R2'，R2“，R3，R3'和R3”各自表示氢原子或可含有杂原子的烷基，环烷基，芳基或芳烷基; B1，B2，B3和B4各自表示碱基，如果需要，可以通过核苷酸化学中常见的保护基团或由携带PEG的有机基团保护; X，X'和X“各自表示氧原子或硫原子; Y表示唑基，单 - 或二 - 烷基氨基或饱和含氮杂环; A1，A2，A3和A4各自表示氢原子，羟基，烷氧基或三烷基甲硅烷氧基; m和n各自表示0或1〜100的整数。式（I）的核苷酸可直接用于反应混合物中以进一步与3'-O-和5'-O-未保护的核苷反应 或式（II）的核苷酸产生核苷酸嵌段或寡核苷酸，因此可用作原位DNA合成试剂。

公开(公告)号：US5552896A

公开(公告)日：1996-09-03

申请号：US154629

申请日：1993-11-18

申请人： Tadao Yoshida

发明人： Tadao Yoshida

IPC分类号： G11B20/10 ,  G11B20/00 ,  G11B20/12 ,  G11B27/10 ,  H04N5/76 ,  G11B7/24

CPC分类号： G11B20/1251 ,  G11B20/00007 ,  G11B20/1217 ,  G11B2220/2525 ,  G11B2220/2537 ,  G11B2220/2545

摘要： A disk recording/reproducing apparatus for recording data on a disk with addition data recorded in a playback only area of the disk along with recording data having the same data structure as that of data which can be recorded in a recording/reproducing area of the disk, thus making it possible to reproduce the addition data along with the recording data. Compressed data obtained by implementing, by using an ATRAC encoder 13, data compression to successively inputted digital data divided into clusters, with cluster connection sectors longer than an interleaving length provided at connection portions of each of the clusters, to implement interleaving processing of the recording data to record them into a recording/reproducing area of a magneto-optical disk 2, and to reproduce them by using an optical head 3. From a reproduction or playback only area of the magneto-optical disk 2, addition data are reproduced from sectors corresponding to the cluster connection sectors.

摘要翻译： 一种磁盘记录/再现装置，用于在磁盘上记录数据，其中附加数据记录在盘的重放区域中，以及具有与可记录在盘的记录/再现区域中的数据相同的数据结构的记录数据 ，从而使得可以与记录数据一起再现加法数据。 压缩数据通过使用ATRAC编码器13进行数据压缩，以连续输入被划分成簇的数字数据，其长度大于在每个簇的连接部分处提供的交织长度的簇连接扇区，以实现记录的交织处理 数据将其记录到磁光盘2的记录/再现区域中，并且通过使用光学头3再现它们。从磁光盘2的再现或重放区域，从扇区 对应于群集连接扇区。

公开(公告)号：US5388093A

公开(公告)日：1995-02-07

申请号：US945488

申请日：1992-09-16

申请人： Tadao Yoshida ,  Takashi Ohmori

发明人： Tadao Yoshida ,  Takashi Ohmori

IPC分类号： G11B7/00 ,  G11B7/004 ,  G11B20/00 ,  G11B20/10 ,  G11B20/12 ,  G11B21/08 ,  G11B23/36 ,  G11B27/00 ,  G11B27/034 ,  G11B27/036 ,  G11B27/10 ,  G11B27/11 ,  G11B27/30 ,  G11B27/32 ,  G11B7/007 ,  G11B7/013

CPC分类号： G11B27/329 ,  G11B20/00007 ,  G11B27/036 ,  G11B27/105 ,  G11B27/11 ,  G11B27/3063 ,  G11B2020/1277 ,  G11B2220/211 ,  G11B2220/2529 ,  G11B2220/65 ,  G11B27/034

摘要： A disc recording apparatus in which continuous recording data is subdivided and recorded in plural recording zones of the disc in the subdivided state, is disclosed, A system controller controls the recording position and the reproducing position of the recording data with respect to data zones of a recording/reproducing region of a magneto-optical disc. The continuous recording data are subdivided for recording in plural data recording zones, while track number data indicating the continuous recording data recorded in the data zones, address data indicating the positions of the data zones and address data indicating the linking destination for one to another data zone, are recorded in a lead-in region of the recording/reproducing region under control of the system controller. A disc reproducing apparatus fop reproducing the recorded data recorded by the disc recording apparatus and a disc-shaped recording medium used in the disc recording apparatus and in the disc reproducing apparatus are also disclosed.

摘要翻译： 公开了一种光盘记录装置，其中连续记录数据被细分并记录在分割状态的盘的多个记录区中。系统控制器控制记录数据相对于数据区的记录位置和再现位置 磁光盘的记录/再现区域。 连续记录数据被细分为用于记录在多个数据记录区中，而轨道号数据表示记录在数据区中的连续记录数据，表示数据区的位置的地址数据和表示一个到另一个数据的连接目的地的地址数据 区域被记录在系统控制器的控制下的记录/再现区域的导入区域中。 还公开了一种再现由盘记录装置记录的记录数据的光盘重放装置和在盘记录装置和盘重放装置中使用的盘形记录介质。

公开(公告)号：US5363362A

公开(公告)日：1994-11-08

申请号：US48359

申请日：1993-04-15

申请人： Yasuaki Maeda ,  Ryo Ando ,  Hideo Obata ,  Hideki Nagashima ,  Tadao Yoshida ,  Kazuhiko Fujiie ,  Hirotoshi Fujisawa ,  Hiroshi Mukawa

发明人： Yasuaki Maeda ,  Ryo Ando ,  Hideo Obata ,  Hideki Nagashima ,  Tadao Yoshida ,  Kazuhiko Fujiie ,  Hirotoshi Fujisawa ,  Hiroshi Mukawa

IPC分类号： G11B20/12 ,  G11B7/013 ,  G11B20/00 ,  G11B20/10 ,  G11B27/00 ,  G11B27/10 ,  G11B27/30 ,  G11B27/34 ,  G11B5/09

CPC分类号： G11B20/00007 ,  G11B20/10527 ,  G11B27/005 ,  G11B27/3027 ,  G11B27/34 ,  G11B7/013 ,  G11B2020/1277 ,  G11B2220/2525 ,  G11B2220/2545 ,  G11B2220/255 ,  G11B27/3063

摘要： There is provided a disc recording apparatus for recording digital data by an optical unit in such a manner that time compressed digital data are arranged into a plurality of clusters at an interval of a predetermined number of sectors, a cluster-linking sector having a length longer than an interleaving length is provided at each linking part of each cluster, and the digital data are subsequently interleaved and recorded on a disc-shaped recording medium so that interleaving at the time of data recording on the cluster-by-cluster basis is within the range of the cluster-linking sector. There is also provided a disc reproducing apparatus for reproducing digital data by an optical unit in which playback data are obtained by reproducing record data recorded on a disc-shaped recording medium in such a manner that a cluster-linking sector longer than an interleaving length is provided in a linking section of each cluster composed of a predetermined number of sectors, the resulting data is interleaved and recorded on the disc-shaped recording medium, and the playback data are deinterleaved and freed or the cluster-linking sectors so as to be stored transiently in a storage unit. Playback data are written in the storage unit when the data volume of playback data stored in the storage unit becomes smaller than a predetermined volume to maintain a readout space in the storage unit which is in excess of the predetermined data volume. In this manner, data may be read out continuously from the storage unit at a predetermined rate without interrupting the reproducing operation at the cluster-linking sector of the data recorded on the medium.

摘要翻译： 提供了一种用于以光学单元记录数字数据的盘记录装置，使得时间压缩的数字数据以预定数量的扇区的间隔被布置成多个簇，具有长度更长的簇连接扇区 比在每个簇的每个链接部分处提供交织长度，并且数字数据随后被交织并记录在盘形记录介质上，使得在逐个簇的基础上的数据记录时的交织在 集群链接部门的范围。 还提供了一种用于通过光学单元再现数字数据的盘再现装置，其中通过以记录在盘形记录介质上的记录数据来再现数据，使得长于交织长度的簇链接扇区 提供在由预定数量的扇区组成的每个簇的链接部分中，所得到的数据被交织并记录在盘形记录介质上，并且重放数据被去交织和释放，或者聚类链接扇区被存储 暂时在存储单元中。 当存储在存储单元中的重放数据的数据量变得小于预定的音量时，将重放数据写入存储单元，以保持存储单元中超出预定数据量的读出空间。 以这种方式，可以以预定的速率从存储单元以连续的数据读取数据，而不会中断记录在介质上的数据的聚类链接扇区的再现操作。