DE3871287D1 - Geraet zum detektieren, ob informationen auf einer speichervorrichtung aufgezeichnet sind. - Google Patents

Geraet zum detektieren, ob informationen auf einer speichervorrichtung aufgezeichnet sind.

Info

Publication number
DE3871287D1
DE3871287D1 DE8888306832T DE3871287T DE3871287D1 DE 3871287 D1 DE3871287 D1 DE 3871287D1 DE 8888306832 T DE8888306832 T DE 8888306832T DE 3871287 T DE3871287 T DE 3871287T DE 3871287 D1 DE3871287 D1 DE 3871287D1
Authority
DE
Germany
Prior art keywords
recorded
detecting whether
whether information
storage device
storage
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 - Lifetime
Application number
DE8888306832T
Other languages
English (en)
Inventor
Ryoichi Imanaka
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Application granted granted Critical
Publication of DE3871287D1 publication Critical patent/DE3871287D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G11B7/002—Recording, reproducing or erasing systems characterised by the shape or form of the carrier
    • G11B7/0037—Recording, reproducing or erasing systems characterised by the shape or form of the carrier with discs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/02—Control of operating function, e.g. switching from recording to reproducing
    • G11B19/04—Arrangements for preventing, inhibiting, or warning against double recording on the same blank or against other recording or reproducing malfunctions
DE8888306832T 1987-07-24 1988-07-25 Geraet zum detektieren, ob informationen auf einer speichervorrichtung aufgezeichnet sind. Expired - Lifetime DE3871287D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62186237A JP2681933B2 (ja) 1987-07-24 1987-07-24 記録再生装置

Publications (1)

Publication Number Publication Date
DE3871287D1 true DE3871287D1 (de) 1992-06-25

Family

ID=16184754

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8888306832T Expired - Lifetime DE3871287D1 (de) 1987-07-24 1988-07-25 Geraet zum detektieren, ob informationen auf einer speichervorrichtung aufgezeichnet sind.

Country Status (4)

Country Link
US (1) US4953151A (de)
EP (1) EP0305049B1 (de)
JP (1) JP2681933B2 (de)
DE (1) DE3871287D1 (de)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0373422A (ja) * 1989-05-18 1991-03-28 Nec Corp 光ディスク装置の和信号処理回路
JPH0411325A (ja) * 1990-04-27 1992-01-16 Sony Corp 光ディスク記録装置
JP2809479B2 (ja) * 1990-05-29 1998-10-08 オリンパス光学工業株式会社 データ記録再生装置
US6128267A (en) * 1996-04-01 2000-10-03 International Business Machines Corporation Active tracking method for optical disk storage
US5892739A (en) * 1998-02-13 1999-04-06 International Business Machines Corporation In system for creating reading and writing on rotatable information storage media, an apparatus for multilayer source positioning using the laser source as a detector
US6111830A (en) * 1998-02-13 2000-08-29 International Business Machines Corporation System for creating, reading and writing on rotatable information storage media, an apparatus for determining linear and/or angular velocity
US6081487A (en) * 1998-02-13 2000-06-27 International Business Machines Corporation System for creating, reading and writing on rotatable information storage media, an apparatus for controlling laser positioning
US6088309A (en) * 1998-02-13 2000-07-11 International Business Machines Corporation System for creating, reading and writing on rotatable information storage media, a method for controlling vertical laser alignment
US6088306A (en) * 1998-02-13 2000-07-11 International Business Machines Corporation System for creating, reading and writing on rotatable information storage media, an apparatus for combined writing and reading operations
US5872723A (en) * 1998-02-13 1999-02-16 International Business Machines Corporation In a system for creating, reading and writing on rotatable information storage media an apparatus for determining drive mechanism aging characteristics
US6232045B1 (en) 1998-02-13 2001-05-15 International Business Machines Corporation System for creating, reading and writing on rotatable information storage media, a method for producing a recording blank
US6097677A (en) * 1998-02-13 2000-08-01 International Business Machines Corporation System for creating, reading and writing on rotatable information storage media, a method for combined writing and reading operations
US6034929A (en) * 1998-02-13 2000-03-07 International Business Machines Corporation System for creating, reading and writing on rotatable information storage media, a method for multi-layer laser source positioning
US6222813B1 (en) 1998-02-13 2001-04-24 International Business Machines Corporation System for creating, reading and writing on rotatable information storage media, an apparatus for controlling vertical laser alignment
US6081489A (en) * 1998-02-13 2000-06-27 International Business Machines Corporation System for creating, reading and writing on rotatable information storage media, an apparatus for performing both read and write operations
US6118740A (en) * 1998-02-13 2000-09-12 International Business Machines Corporation System for creating, reading and writing on rotatable information storage media, a method for writing closely spaced information tracks
US6097681A (en) * 1998-02-13 2000-08-01 International Business Machines Corporation System for creating, reading and writing on rotatable information storage media, an apparatus for determining angular position, θ
US6088308A (en) * 1998-02-13 2000-07-11 International Business Machines Corporation System for creating, reading and writing on rotatable information storage media, a tracking circuit for providing positioning information
US6128262A (en) * 1998-02-13 2000-10-03 International Business Machines Corporation System for creating, reading and writing on rotatable information storage media, a method for customizing said media with timing information
US6108282A (en) * 1998-02-13 2000-08-22 International Business Machines Corporation System for creating, reading and writing on rotatable information storage media, an apparatus for multilayer laser source positioning
US6046970A (en) * 1998-02-13 2000-04-04 International Business Machines Corporation System for creating, reading and writing on rotatable storage media, an apparatus for determining laser aging characteristics
US6049512A (en) * 1998-02-13 2000-04-11 International Business Machines Corporation In a system for creating, reading and writing on rotatable information storage media, an apparatus for two-sided writing
JP3566701B2 (ja) * 2002-01-31 2004-09-15 株式会社東芝 光ディスク記録再生装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3985952A (en) * 1974-02-04 1976-10-12 Zenith Radio Corporation Elasto-optic device for spot wobble in a video disc player
AR205839A1 (es) * 1974-09-30 1976-06-07 Mca Disco Vision Servodisposicion para recorrer opticamente y leer simultaneamente un canal de informacion almacenado en un disco de video
JPS5720928A (en) * 1980-07-09 1982-02-03 Toshiba Corp Optical disk reproduction system
JPS57120238A (en) * 1981-01-16 1982-07-27 Matsushita Electric Ind Co Ltd Reproducing device
FR2511537B1 (fr) * 1981-08-14 1986-09-05 Thomson Csf Dispositif optique de suivi de piste a echantillonnage
NL8105347A (nl) * 1981-11-26 1983-06-16 Philips Nv Inrichting voor het optisch aftasten van een schijfvormige registratiedrager.
JPS60133521A (ja) * 1983-12-21 1985-07-16 Victor Co Of Japan Ltd 回転ヘツドのトラツキング制御装置
JPS622228A (ja) * 1985-06-27 1987-01-08 Sony Corp レ−ザ−光の照射位置検出装置

Also Published As

Publication number Publication date
JP2681933B2 (ja) 1997-11-26
JPS6430025A (en) 1989-01-31
US4953151A (en) 1990-08-28
EP0305049A1 (de) 1989-03-01
EP0305049B1 (de) 1992-05-20

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee