DE69121774D1 - Optisches Informationsverarbeitungsgerät mit "neuronalem Netzwerk" für Fehlersignalerzeugung - Google Patents

Optisches Informationsverarbeitungsgerät mit "neuronalem Netzwerk" für Fehlersignalerzeugung

Info

Publication number
DE69121774D1
DE69121774D1 DE69121774T DE69121774T DE69121774D1 DE 69121774 D1 DE69121774 D1 DE 69121774D1 DE 69121774 T DE69121774 T DE 69121774T DE 69121774 T DE69121774 T DE 69121774T DE 69121774 D1 DE69121774 D1 DE 69121774D1
Authority
DE
Germany
Prior art keywords
information processing
processing device
neural network
error signal
signal generation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE69121774T
Other languages
English (en)
Other versions
DE69121774T2 (de
Inventor
Masakuni Yamamoto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Inc
Original Assignee
Canon Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Canon Inc filed Critical Canon Inc
Application granted granted Critical
Publication of DE69121774D1 publication Critical patent/DE69121774D1/de
Publication of DE69121774T2 publication Critical patent/DE69121774T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/10009—Improvement or modification of read or write signals
    • G11B20/10481—Improvement or modification of read or write signals optimisation methods
    • G11B20/10518—Improvement or modification of read or write signals optimisation methods using neural networks
DE69121774T 1990-05-25 1991-05-24 Optisches Informationsverarbeitungsgerät mit "neuronalem Netzwerk" für Fehlersignalerzeugung Expired - Fee Related DE69121774T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2133901A JP2728222B2 (ja) 1990-05-25 1990-05-25 情報記録再生装置

Publications (2)

Publication Number Publication Date
DE69121774D1 true DE69121774D1 (de) 1996-10-10
DE69121774T2 DE69121774T2 (de) 1997-01-23

Family

ID=15115751

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69121774T Expired - Fee Related DE69121774T2 (de) 1990-05-25 1991-05-24 Optisches Informationsverarbeitungsgerät mit "neuronalem Netzwerk" für Fehlersignalerzeugung

Country Status (4)

Country Link
US (1) US5333125A (de)
EP (1) EP0458656B1 (de)
JP (1) JP2728222B2 (de)
DE (1) DE69121774T2 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9025797D0 (en) * 1990-11-28 1991-01-09 Hitachi Europ Ltd Motion target tracking system
JPH0594630A (ja) * 1991-09-30 1993-04-16 Victor Co Of Japan Ltd 光デイスクのトラツキングサーボ機構
JPH05234112A (ja) * 1992-02-21 1993-09-10 Victor Co Of Japan Ltd 光ディスク装置用トラッキング制御装置
EP0683489B1 (de) * 1994-05-18 2003-12-17 Matsushita Electric Industrial Co., Ltd. Aufzeichnungs- und Wiedergabegerät mit Lernsignal
FR2736762A1 (fr) * 1995-07-11 1997-01-17 Thomson Csf Systeme de controle de faisceau laser
US5652746A (en) * 1995-11-15 1997-07-29 Zen Research N.V. Electronic track detection methods for apparatus for simultaneously reading multiple adjacent tracks of an optical disk
JP2002298360A (ja) 2001-03-30 2002-10-11 Canon Inc 情報記録媒体への情報記録方法及び情報記録装置
US6662091B2 (en) * 2001-06-29 2003-12-09 Battelle Memorial Institute Diagnostics/prognostics using wireless links
CA2452376A1 (en) 2001-07-02 2003-01-16 Battelle Memorial Institute Intelligent microsensor module
JP4596232B2 (ja) * 2003-08-15 2010-12-08 ソニー株式会社 光ディスクドライブ、光ヘッド装置及びフォーカス調整方法並びに特性データ生成装置及び特性データ生成方法
CN101048008B (zh) * 2006-03-31 2012-08-29 株式会社日立制作所 无源光网络中iptv业务的频道切换系统和方法
US8775341B1 (en) 2010-10-26 2014-07-08 Michael Lamport Commons Intelligent control with hierarchical stacked neural networks
US9015093B1 (en) 2010-10-26 2015-04-21 Michael Lamport Commons Intelligent control with hierarchical stacked neural networks
CN114152189B (zh) * 2021-11-09 2022-10-04 武汉大学 一种基于前馈神经网络的四象限探测器光斑定位方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3677645D1 (de) * 1985-07-05 1991-04-04 Mitsubishi Electric Corp Optischer signalabnehmer.
JPS63142531A (ja) * 1986-12-05 1988-06-14 Sony Corp 光デイスク情報記録再生装置のサ−ボ回路
JP2602019B2 (ja) * 1987-03-12 1997-04-23 富士通株式会社 光デイスク装置
JP2629291B2 (ja) * 1988-08-19 1997-07-09 日本電信電話株式会社 マニピュレータ学習制御方法
JP2761391B2 (ja) * 1988-10-04 1998-06-04 オリンパス光学工業株式会社 焦点検出装置
JP2793815B2 (ja) * 1988-10-04 1998-09-03 オリンパス光学工業株式会社 露出制御装置
JPH06106009B2 (ja) * 1988-11-16 1994-12-21 東京電力株式会社 ニューラルネットワークによる最適電力負荷配分システム
US4945494A (en) * 1989-03-02 1990-07-31 Texas Instruments Incorporated Neural network and system

Also Published As

Publication number Publication date
DE69121774T2 (de) 1997-01-23
JP2728222B2 (ja) 1998-03-18
EP0458656A3 (en) 1992-08-05
US5333125A (en) 1994-07-26
JPH0430336A (ja) 1992-02-03
EP0458656A2 (de) 1991-11-27
EP0458656B1 (de) 1996-09-04

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee