DE69114437D1 - Betriebszustandsteuerung für Datenaufzeichnungsgerät mit Aufzeichnungsplatte. - Google Patents

Betriebszustandsteuerung für Datenaufzeichnungsgerät mit Aufzeichnungsplatte.

Info

Publication number
DE69114437D1
DE69114437D1 DE69114437T DE69114437T DE69114437D1 DE 69114437 D1 DE69114437 D1 DE 69114437D1 DE 69114437 T DE69114437 T DE 69114437T DE 69114437 T DE69114437 T DE 69114437T DE 69114437 D1 DE69114437 D1 DE 69114437D1
Authority
DE
Germany
Prior art keywords
operating state
state control
recording device
plate
data recording
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
DE69114437T
Other languages
English (en)
Other versions
DE69114437T2 (de
Inventor
John Edward Kulakowski
Rodney Jerome Means
Gary Raymond Stephens
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of DE69114437D1 publication Critical patent/DE69114437D1/de
Application granted granted Critical
Publication of DE69114437T2 publication Critical patent/DE69114437T2/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
    • 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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
    • G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
    • G11B11/10595—Control of operating function
    • 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
    • G11B19/06—Control of operating function, e.g. switching from recording to reproducing by counting or timing of machine operations
    • 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
DE69114437T 1990-10-01 1991-09-30 Betriebszustandsteuerung für Datenaufzeichnungsgerät mit Aufzeichnungsplatte. Expired - Fee Related DE69114437T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US59132090A 1990-10-01 1990-10-01

Publications (2)

Publication Number Publication Date
DE69114437D1 true DE69114437D1 (de) 1995-12-14
DE69114437T2 DE69114437T2 (de) 1996-06-20

Family

ID=24366020

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69114437T Expired - Fee Related DE69114437T2 (de) 1990-10-01 1991-09-30 Betriebszustandsteuerung für Datenaufzeichnungsgerät mit Aufzeichnungsplatte.

Country Status (8)

Country Link
US (1) US5511228A (de)
EP (1) EP0479521B1 (de)
JP (1) JP2536980B2 (de)
KR (1) KR940011090B1 (de)
CA (1) CA2046706A1 (de)
DE (1) DE69114437T2 (de)
HK (1) HK72196A (de)
MY (1) MY110615A (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1513142A3 (de) * 2003-05-08 2007-06-13 Matsushita Electric Industrial Co., Ltd. Optisches Plattengerät, Videokamera mit optischen Plattengerät und Verfahren zur Steurung der Lichtemission

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4466087A (en) * 1981-01-08 1984-08-14 Xerox Corporation Optical memory system for a reading/writing, verifying and tracking module
JPH0675334B2 (ja) * 1981-05-01 1994-09-21 株式会社東芝 光デイスク装置
US4999721A (en) * 1982-12-23 1991-03-12 Canon Kabushiki Kaisha Recording and/or reproducing apparatus
US4685097A (en) * 1985-07-25 1987-08-04 Laser Magnetic Storage International Company Power control system for a semiconductor laser
US4717968A (en) * 1985-09-16 1988-01-05 Eastman Kodak Company Video player with power-down capability
US4819242A (en) * 1985-11-20 1989-04-04 Hitachi, Ltd. Semiconductor laser driver circuit
JPS63140429A (ja) * 1986-12-03 1988-06-13 Canon Inc 光学的情報記録再生装置
JPS6410431A (en) * 1987-07-01 1989-01-13 Teac Corp Protection device in optical recording and reproducing device
JPH01232538A (ja) * 1987-11-24 1989-09-18 Pioneer Electron Corp 相変化型光ディスクの記録再生方法
DE3884354T2 (de) * 1987-11-30 1994-01-20 Toshiba Kawasaki Kk Gerät zum Fokussieren eines Lichtstrahls auf einem Informationsspeichermedium.
US5012435A (en) * 1988-11-17 1991-04-30 International Business Machines Corporation Multiple event timer circuit
JP2708859B2 (ja) * 1989-03-16 1998-02-04 三洋電機株式会社 光ディスク記録装置
US5185734A (en) * 1990-07-20 1993-02-09 International Business Machines Corporation Calibrating and power-protecting laser drive circuits
US5136569A (en) * 1990-09-28 1992-08-04 International Business Machines Corporation Optical disk recorder for diverse media types and having a predetermined initialization or start-up procedure

Also Published As

Publication number Publication date
EP0479521B1 (de) 1995-11-08
EP0479521A2 (de) 1992-04-08
US5511228A (en) 1996-04-23
JP2536980B2 (ja) 1996-09-25
EP0479521A3 (en) 1993-03-03
JPH04232651A (ja) 1992-08-20
KR920008705A (ko) 1992-05-28
KR940011090B1 (ko) 1994-11-23
MY110615A (en) 1998-09-30
HK72196A (en) 1996-05-03
CA2046706A1 (en) 1992-04-02
DE69114437T2 (de) 1996-06-20

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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