公开(公告)号：US20020010888A1

公开(公告)日：2002-01-24

申请号：US09765539

申请日：2001-01-19

Inventor： Hyung-joon Kwon

IPC: G11C029/00

CPC classification number: G11B20/1866 ,  G11B20/1833

Abstract: A method and system for error correcting C1/PI words using error locations detected by EFM/EFMnull decoder are provided. The method for channel decoding and error correcting includes: (a) setting up a channel code; (b) producing demodulated data including information data symbols and erasure flags by modulating channel data symbols, using the channel code; and (c) performing an error-erasure correction on the information data symbols of the demodulated data, using error locations indicated by the erasure flags. The system for channel decoding and error correcting includes a channel decoder with a channel code for producing the demodulated data having the information data symbols and the erasure flags by demodulating the channel data symbols, a memory for storing the demodulated data, and a decoding unit for performing an error-erasure correction on the information data symbols, using the error locations indicated by the erasure flags having a predetermined value.

Abstract translation: 提供了一种使用EFM / EFM +解码器检测到的错误位置对C1 / PI字进行纠错的方法和系统。 信道解码和纠错方法包括：（a）建立信道码; （b）使用信道码，通过调制信道数据符号来产生包括信息数据符号和擦除标志的解调数据; 以及（c）使用由擦除标志指示的错误位置对解调数据的信息数据符号执行错误校正。 用于信道解码和纠错的系统包括具有信道码的信道解码器，用于产生具有信息数据符号的解调数据和通过解调信道数据符号的擦除标志，用于存储解调数据的存储器和用于 使用由具有预定值的擦除标志指示的错误位置对信息数据符号执行错误校正。

公开(公告)号：US06337948B1

公开(公告)日：2002-01-08

申请号：US09583164

申请日：2000-05-30

Applicant: Junko Shinohara ,  Sadayuki Inoue ,  Tatsuo Yamasaki ,  Ken Onishi

Inventor： Junko Shinohara ,  Sadayuki Inoue ,  Tatsuo Yamasaki ,  Ken Onishi

IPC: H04N591

CPC classification number: G11B20/1207 ,  G11B15/02 ,  G11B15/125 ,  G11B15/1875 ,  G11B15/4672 ,  G11B15/4678 ,  G11B20/18 ,  G11B20/1866 ,  G11B27/005 ,  G11B27/3027 ,  G11B27/3063 ,  G11B2220/20 ,  G11B2220/90 ,  H04N5/78263 ,  H04N5/78266 ,  H04N5/783 ,  H04N9/7973 ,  H04N9/8042 ,  H04N9/8227 ,  H04N9/877

Abstract: A signal which is to be used in high-speed playback is recorded in a predetermined region of a track. An error correcting check code region for recording an error correcting check code is formed at a position adjacent to the predetermined region. In accordance with the usage, an error correcting check code for high-speed playback, an error correcting check code for normal playback, or predetermined fixed data is recorded in the error correcting check code region. In a digital VTR which records and plays back data at plural kinds of data rates, trick playback data are recorded so that a head scans a subcode area or a VAUX area in high-speed playback at a predetermined tape running speed in each record mode. An area for recording an error correcting check code is used as an area for, in addition to an error correcting check code for normal playback, recording an error correcting check code for trick playback, normal playback data, or trick playback data.

Abstract translation: 要在高速播放中使用的信号被记录在轨道的预定区域中。 在与预定区域相邻的位置处形成用于记录纠错校验码的纠错校验码区域。 根据该用途，用于高速重放的纠错校验码，用于正常重放的纠错校验码或预定的固定数据被记录在纠错校验码区域中。 在以多种数据速率记录和重放数据的数字VTR中，记录特技重放数据，使得头在每个记录模式下以预定的磁带运行速度扫描高速重放中的子代码区域或VAUX区域。 用于记录纠错校验码的区域除了用于正常播放的纠错校验码之外，还用于记录用于特技重放，正常播放数据或特技播放数据的纠错校验码。

公开(公告)号：US20010055252A1

公开(公告)日：2001-12-27

申请号：US09801873

申请日：2001-03-09

Inventor： Takashi Sasaki ,  Takashi Suzuki ,  Koichi Kikuchi

IPC: G11B007/005

CPC classification number: G11B20/10009 ,  G11B20/1866 ,  G11B2020/184

Abstract: A disk drive apparatus reads information with high accuracy from an information read/write medium. Information recorded on the information read/write medium is optically read with a pickup, and in accordance with the read signal Sin, an RF signal generated by an RF signal generation circuit is supplied to a frequency characteristic compensation circuit to generate an RF signal having a compensated frequency characteristic. Here, the frequency characteristic compensation circuit 10 is an equalizer comprising a differential amplifier, fixed resistors, variable resistors, and variable capacitance element. Values of the variable resistors and the variable capacitance element are adjusted to variably adjust the frequency characteristic of the frequency characteristic compensation circuit.

Abstract translation: 磁盘驱动装置从信息读/写介质读取高精度的信息。 记录在信息读/写介质上的信息用拾取器光学读取，并且根据读信号Sin，由RF信号产生电路产生的RF信号被提供给频率特性补偿电路，以产生具有 补偿频率特性。 这里，频率特性补偿电路10是包括差分放大器，固定电阻器，可变电阻器和可变电容元件的均衡器。 调节可变电阻器和可变电容元件的值以可变地调节频率特性补偿电路的频率特性。

公开(公告)号：US06314235B1

公开(公告)日：2001-11-06

申请号：US09569063

申请日：2000-05-10

Applicant: Yoshiho Gotoh ,  Hiroshi Ueda ,  Yoshihisa Fukushima

Inventor： Yoshiho Gotoh ,  Hiroshi Ueda ,  Yoshihisa Fukushima

IPC: H04N5781

CPC classification number: H04N9/8042 ,  G11B7/0037 ,  G11B7/007 ,  G11B20/10 ,  G11B20/1252 ,  G11B20/1866 ,  G11B20/1883 ,  G11B27/034 ,  G11B27/105 ,  G11B27/24 ,  G11B27/3027 ,  G11B27/329 ,  G11B2020/10537 ,  G11B2020/1062 ,  G11B2020/10944 ,  G11B2020/1295 ,  G11B2020/1896 ,  G11B2220/20 ,  G11B2220/216 ,  G11B2220/2516 ,  G11B2220/2562 ,  G11B2220/2575 ,  G11B2220/455 ,  H04N5/781 ,  H04N5/85 ,  H04N9/8205

Abstract: A method for recording an AV file using an information recording disk in which data is recorded/reproduced by sectors. The recording method includes the steps of: determining whether or not input data is AV data; detecting a defective sector existing in an assigned data recording area; when the input data is AV data while a defective sector is detected in the data recording area, allocating a defective extent including the defective sector; recording AV data in continuous sectors while skipping the defective extent; and allocating an area of continuous sectors where only the AV data is recorded as one AV extent.

Abstract translation: 一种使用信息记录盘记录AV文件的方法，其中数据由扇区记录/再现。 记录方法包括以下步骤：确定输入数据是否为AV数据; 检测分配的数据记录区域中存在的缺陷扇区; 当在数据记录区域中检测到缺陷扇区时输入数据是AV数据，分配包括缺陷扇区的缺陷范围; 在跳过缺陷范围的同时记录连续扇区的AV数据; 以及将仅记录AV数据的连续扇区的区域分配为一个AV范围。

公开(公告)号：US20010014207A1

公开(公告)日：2001-08-16

申请号：US09196260

申请日：1998-11-19

Applicant: SONY CORPORATION

Inventor： MAKOTO KAWAMURA ,  YASUSHI FUJINAMI

IPC: H04N005/91

CPC classification number: H04N9/8042 ,  G11B20/00007 ,  G11B20/00695 ,  G11B20/10527 ,  G11B20/12 ,  G11B20/1251 ,  G11B20/1809 ,  G11B20/1816 ,  G11B20/1833 ,  G11B20/1866 ,  G11B27/105 ,  G11B27/11 ,  G11B27/3036 ,  G11B27/3063 ,  G11B27/329 ,  G11B27/36 ,  G11B2020/1232 ,  G11B2020/1285 ,  G11B2220/213 ,  G11B2220/2537 ,  G11B2220/2545 ,  G11B2220/2562 ,  G11B2220/65 ,  H04N5/783 ,  H04N5/85 ,  H04N5/907 ,  H04N5/9206 ,  H04N5/9261 ,  H04N5/937 ,  H04N9/7921 ,  H04N9/8063 ,  H04N9/8205 ,  H04N9/8227 ,  H04N9/8233 ,  H04N9/85 ,  H04N9/877

Abstract: A data reproduction apparatus and a data storage medium for synchronously reproducing multiplexed data with video, audio, and superimposed dialogue data compressed at a variable rate and performing various functions. Data are reproduced from the data storage medium using sector numbers, and data for negative sector numbers carried by some sectors are also reproduced. Multiplexing information indicating whether or not image, voice, and superimposed dialogue data is each multiplexed and information for the positions of access points used for data search and random access are stored in the positions represented by these negative sector numbers and reproduced so as to enable multiplexed data with video, audio, and superimposed dialogue data compressed at a variable rate to be synchronously reproduced and various functions to be executed.

Abstract translation: 一种数据再现装置和数据存储介质，用于以可变速率压缩的视频，音频和叠加对话数据同步再现多路复用数据并执行各种功能。 使用扇区号从数据存储介质再现数据，并且再现由某些扇区携带的负扇区号的数据。 图像，声音和叠加对话数据是否复用的多路复用信息和用于数据搜索和随机存取的接入点的位置的信息被存储在由这些负扇区号表示的位置中，并被再现 具有以可变速率压缩以同步再现的视频，音频和叠加对话数据的数据以及要执行的各种功能。

公开(公告)号：US20010006497A1

公开(公告)日：2001-07-05

申请号：US09735645

申请日：2000-12-14

Inventor： Jong In Shin

IPC: G11B007/0045

CPC classification number: G11B20/1866 ,  G11B7/0037 ,  G11B7/0045

Abstract: Disclosed is a data recording method for an optical disc driver comprising the steps of receiving a data recording command, encoding data to be recorded in a corresponding user region block, storing the encoded data in the unit of an error correction code (ECC) block in a buffer, and recording the data of the ECC blocks if the number of the ECC blocks stored in the buffer is larger than the predetermined number of the ECC blocks. In encoding the data to be recorded, if the data to be recorded is the data in the unit of a sector, the data of the ECC block of the user region corresponding to the sector is reproduced, the data to be newly recorded is inserted into the data of the reproduced ECC block, and the processed ECC block is encoded. If the data to be recorded is the data in the unit of an ECC block, the ECC block data of the user region is not reproduced, but the ECC block to be recorded is encoded.

Abstract translation: 公开了一种用于光盘驱动器的数据记录方法，包括以下步骤：接收数据记录命令，编码要记录在对应的用户区块中的数据，将编码数据以纠错码（ECC）块为单位存储在 缓冲器，并且如果存储在缓冲器中的ECC块的数量大于预定数量的ECC块，则记录ECC块的数据。 在对要记录的数据进行编码时，如果要记录的数据是以扇区为单位的数据，则再现与扇区对应的用户区域的ECC块的数据，将要新记录的数据插入 对再现的ECC块的数据和经处理的ECC块进行编码。 如果要记录的数据是以ECC块为单位的数据，则不再现用户区域的ECC块数据，而是对要记录的ECC块进行编码。

公开(公告)号：US20010002947A1

公开(公告)日：2001-06-07

申请号：US08973998

申请日：1998-06-09

Inventor： HIROYUKI MIYAWAKI ,  YASUO IWASAKI

IPC: H04N005/76 ,  H04N005/91 ,  H04N005/781 ,  H04N007/64 ,  H04N005/85 ,  H04N005/90

CPC classification number: H04N21/2404 ,  G11B20/1866 ,  G11B20/1883 ,  G11B27/034 ,  G11B2220/20 ,  G11B2220/415 ,  H04N5/781 ,  H04N19/89 ,  H04N21/2318 ,  H04N21/2326

Abstract: A data recording/reproducing apparatus applicable to, for example, an editing system having a plurality of hard disk units arranged to be in parallel operated to record/reproduce a video signal to be capable of recovering abnormal data without any interruption with the operations for recording/reproducing continuous data. The operations of a plurality of data recording/reproducing blocks are managed in time by a time slot to use a period of a blank time slot if an abnormal condition appears in one recording/reproducing block to recover abnormal data with data recorded on another recording/reproducing block.

Abstract translation: 一种数据记录/再现装置，可应用于例如具有并行操作的多个硬盘单元的编辑系统，用于记录/再现视频信号以能够恢复异常数据，而不会中断记录操作 /再现连续数据。 如果在一个记录/再现块中出现异常状态，则多个数据记录/再现块的操作在时间上被管理以使用空白时隙的周期，以通过记录在另一记录/再现块上的数据来恢复异常数据， 再现块。

公开(公告)号：US6163514A

公开(公告)日：2000-12-19

申请号：US421748

申请日：1999-10-20

Applicant: Kenji Narumi ,  Kenichi Nishiuchi

Inventor： Kenji Narumi ,  Kenichi Nishiuchi

IPC: G11B7/00 ,  G11B7/004 ,  G11B7/0045 ,  G11B7/006 ,  G11B7/007 ,  G11B7/013 ,  G11B20/10 ,  G11B20/12 ,  G11B20/14 ,  G11B20/18 ,  G11B27/19 ,  G11B27/24 ,  G11B27/30 ,  G11B27/32 ,  H03M13/00 ,  H03M13/27

CPC classification number: H03M13/2789 ,  G11B7/0045 ,  G11B7/00454 ,  G11B7/006 ,  G11B7/007 ,  G11B7/00718 ,  G11B7/00745 ,  G11B7/013 ,  G11B20/10212 ,  G11B20/10527 ,  G11B20/1217 ,  G11B20/1251 ,  G11B20/1403 ,  G11B20/18 ,  G11B20/1866 ,  G11B27/19 ,  G11B27/24 ,  G11B27/3027 ,  G11B27/329 ,  G11B2020/10888 ,  G11B2020/10898 ,  G11B2020/1232 ,  G11B2020/1267 ,  G11B2020/1277 ,  G11B2020/1287 ,  G11B2020/1288 ,  G11B2220/20 ,  G11B2220/216 ,  G11B2220/2537 ,  H03M13/00 ,  H03M13/27

Abstract: An apparatus for writing on and reading an overwritable optical disk comprises an identifier detector that identifies a recording condition in the sector to be overwritten, and a delay time controller circuit that sets a variation range of the start point for writing according to the recording condition. The record timing of the modulated data signal is changed at random within the set variation range when overwriting the sector of the optical disk.

公开(公告)号：US6151441A

公开(公告)日：2000-11-21

申请号：US495506

申请日：1995-10-06

Applicant: Makoto Kawamura ,  Yasushi Fujinami

Inventor： Makoto Kawamura ,  Yasushi Fujinami

IPC: G11B20/00 ,  G11B20/10 ,  G11B20/12 ,  G11B20/18 ,  G11B27/10 ,  G11B27/11 ,  G11B27/30 ,  G11B27/32 ,  G11B27/36 ,  H04N5/85 ,  H04N5/907 ,  H04N5/92 ,  H04N5/926 ,  H04N5/937 ,  H04N9/804 ,  H04N9/806 ,  H04N9/82 ,  H04N9/85 ,  H04N9/877 ,  H04N5/76

CPC classification number: H04N9/8042 ,  G11B20/00007 ,  G11B20/00695 ,  G11B20/10527 ,  G11B20/12 ,  G11B20/1251 ,  G11B20/1809 ,  G11B20/1816 ,  G11B20/1833 ,  G11B20/1866 ,  G11B27/105 ,  G11B27/3036 ,  G11B27/3063 ,  G11B27/329 ,  G11B27/36 ,  H04N5/9206 ,  H04N5/9261 ,  H04N5/937 ,  G11B2020/1232 ,  G11B2020/1285 ,  G11B2220/213 ,  G11B2220/2537 ,  G11B2220/2545 ,  G11B2220/2562 ,  G11B2220/65 ,  G11B27/11 ,  H04N5/783 ,  H04N5/85 ,  H04N5/907 ,  H04N9/7921 ,  H04N9/8063 ,  H04N9/8205 ,  H04N9/8227 ,  H04N9/8233 ,  H04N9/85 ,  H04N9/877

Abstract: A data reproduction apparatus and a data storage medium for synchronously reproducing multiplexed data with video, audio, and superimposed dialogue data compressed at a variable rate and performing various functions. Data are reproduced from the data storage medium using sector numbers, and data for negative sector numbers carried by some sectors are also reproduced. Multiplexing information indicating whether or not image, voice, and superimposed dialogue data is each multiplexed and information for the positions of access points used for data search and random access are stored in the positions represented by these negative sector numbers and reproduced so as to enable multiplexed data with video, audio, and superimposed dialogue data compressed at a variable rate to be synchronously reproduced and various functions to be executed.

Abstract translation: PCT No.PCT / JP94 / 02133 Sec。 371日期1995年10月6日 102（e）日期1995年10月6日PCT 1994年12月19日PCT PCT。 WO95 / 16990 PCT出版物 日期：1995年6月22日数据再现装置和用于以可变速率压缩并执行各种功能的视频，音频和叠加对话数据同步再现多路复用数据的数据存储介质。 使用扇区号从数据存储介质再现数据，并且再现由某些扇区携带的负扇区号的数据。 图像，声音和叠加对话数据是否复用的多路复用信息和用于数据搜索和随机存取的接入点的位置的信息被存储在由这些负扇区号表示的位置中，并被再现 具有以可变速率压缩以同步再现的视频，音频和叠加对话数据的数据以及要执行的各种功能。

公开(公告)号：US6125427A

公开(公告)日：2000-09-26

申请号：US55942

申请日：1998-04-07

Applicant: Takashi Oeda ,  Motoyasu Tsunoda ,  Noriyuki Karasawa ,  Yukihito Takada ,  Satoshi Kawamura ,  Yoshio Yukawa ,  Tsuneo Hirose ,  Mitsuru Kubo

Inventor： Takashi Oeda ,  Motoyasu Tsunoda ,  Noriyuki Karasawa ,  Yukihito Takada ,  Satoshi Kawamura ,  Yoshio Yukawa ,  Tsuneo Hirose ,  Mitsuru Kubo

IPC: G06F3/06 ,  G06F9/00 ,  G06F11/10 ,  G06F11/20 ,  G06F12/00 ,  G06F12/06 ,  G06F13/10 ,  G06F13/28 ,  G06F13/32 ,  G06F13/42 ,  G11B5/09 ,  G11B5/55 ,  G11B15/52 ,  G11B20/12 ,  G11B20/18 ,  G11B27/30

CPC classification number: G11B20/1866 ,  G06F3/0608 ,  G06F3/061 ,  G06F3/0658 ,  G06F3/0676 ,  G11B27/3027

Abstract: A disc storage apparatus includes at least one disc having at least one recording surface, a disc control unit for receiving a first number of write data, and outputting, through a plurality of lines, a second number of write data selected from the first number of write data, where the first number of write data and the second number of write data are each at least two write data, an encoder circuit coupled to the disc control unit through the plurality of lines for receiving the second number of write data from the disc control unit through the plurality of lines, encoding the second number of write data in parallel to produce coded data, and outputting the coded data for recording on the at least one recording surface, and a microprocessor for designating the second number of write data to be selected from the first number of write data, outputted by the disc control unit through the plurality of lines, and received by the encoder circuit from the disc control unit through the plurality of lines.

Abstract translation: 盘存储装置包括至少一个具有至少一个记录表面的盘，用于接收第一数量的写入数据的盘控制单元，并且通过多行输出从第一数量的第一数量的 写数据，其中第一数量的写数据和第二数量的写数据分别为至少两个写数据;编码器电路，通过多条线耦合到盘控制单元，用于从盘接收第二数量的写数据 控制单元，并行地编码所述第二数量的写入数据，以产生编码数据，并将所述编码数据输出到所述至少一个记录表面上;以及微处理器，用于指定所述第二数量的写数据为 从盘控制单元通过多行输出的第一数量的写入数据中选择，并由编码器电路从盘控制单元通过复数 线条。