HK72196A - Operational mode control for data storage apparatus using storage disk - Google Patents

Operational mode control for data storage apparatus using storage disk

Info

Publication number
HK72196A
HK72196A HK72196A HK72196A HK72196A HK 72196 A HK72196 A HK 72196A HK 72196 A HK72196 A HK 72196A HK 72196 A HK72196 A HK 72196A HK 72196 A HK72196 A HK 72196A
Authority
HK
Hong Kong
Prior art keywords
mode control
operational mode
data storage
storage apparatus
disk
Prior art date
Application number
HK72196A
Other languages
English (en)
Inventor
John Edward Kulakowski
Rodney Jerome Means
Gary Raymond Stephens
Original Assignee
Ibm
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 Ibm filed Critical Ibm
Publication of HK72196A publication Critical patent/HK72196A/xx

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
HK72196A 1990-10-01 1996-04-25 Operational mode control for data storage apparatus using storage disk HK72196A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
HK72196A true HK72196A (en) 1996-05-03

Family

ID=24366020

Family Applications (1)

Application Number Title Priority Date Filing Date
HK72196A HK72196A (en) 1990-10-01 1996-04-25 Operational mode control for data storage apparatus using storage disk

Country Status (8)

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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7266073B2 (en) * 2003-05-08 2007-09-04 Matsushita Electric Industrial Co., Ltd. Optical disc apparatus, camera apparatus, and method for controlling light emission operation

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
JPH04232651A (ja) 1992-08-20
EP0479521A2 (en) 1992-04-08
JP2536980B2 (ja) 1996-09-25
CA2046706A1 (en) 1992-04-02
EP0479521B1 (en) 1995-11-08
DE69114437T2 (de) 1996-06-20
KR940011090B1 (ko) 1994-11-23
US5511228A (en) 1996-04-23
EP0479521A3 (en) 1993-03-03
DE69114437D1 (de) 1995-12-14
MY110615A (en) 1998-09-30
KR920008705A (ko) 1992-05-28

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Legal Events

Date Code Title Description
NR Patent deemed never to have been added to the register under section 13(7) of patents (transitional arrangements) rules