GB2420906A8 - Power saving optical storage device - Google Patents

Power saving optical storage device

Info

Publication number
GB2420906A8
GB2420906A8 GB0601777A GB0601777A GB2420906A8 GB 2420906 A8 GB2420906 A8 GB 2420906A8 GB 0601777 A GB0601777 A GB 0601777A GB 0601777 A GB0601777 A GB 0601777A GB 2420906 A8 GB2420906 A8 GB 2420906A8
Authority
GB
United Kingdom
Prior art keywords
storage device
power saving
optical storage
saving optical
power
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.)
Granted
Application number
GB0601777A
Other versions
GB0601777D0 (en
GB2420906B (en
GB2420906A (en
Inventor
David Lockwood
Christopher Perrott
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.)
Infinite Data Storage Ltd
Original Assignee
Infinite Data Storage 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 Infinite Data Storage Ltd filed Critical Infinite Data Storage Ltd
Publication of GB0601777D0 publication Critical patent/GB0601777D0/en
Publication of GB2420906A publication Critical patent/GB2420906A/en
Application granted granted Critical
Publication of GB2420906B publication Critical patent/GB2420906B/en
Publication of GB2420906A8 publication Critical patent/GB2420906A8/en
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
    • 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
    • G11B19/20—Driving; Starting; Stopping; Control thereof
    • G11B19/26—Speed-changing arrangements; Reversing arrangements; Drive-transfer means therefor
    • 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
    • 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
    • G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
    • G11B7/08505—Methods for track change, selection or preliminary positioning by moving the head
GB0601777A 2003-01-04 2003-12-24 Improved optical storage device Expired - Fee Related GB2420906B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB0300173.2A GB0300173D0 (en) 2003-01-04 2003-01-04 Improved optical storage device
GB0513095A GB2412229B (en) 2003-01-04 2003-12-24 Improved optical storage device

Publications (4)

Publication Number Publication Date
GB0601777D0 GB0601777D0 (en) 2006-03-08
GB2420906A GB2420906A (en) 2006-06-07
GB2420906B GB2420906B (en) 2006-11-15
GB2420906A8 true GB2420906A8 (en) 2006-11-28

Family

ID=9950683

Family Applications (3)

Application Number Title Priority Date Filing Date
GBGB0300173.2A Ceased GB0300173D0 (en) 2003-01-04 2003-01-04 Improved optical storage device
GB0513095A Expired - Fee Related GB2412229B (en) 2003-01-04 2003-12-24 Improved optical storage device
GB0601777A Expired - Fee Related GB2420906B (en) 2003-01-04 2003-12-24 Improved optical storage device

Family Applications Before (2)

Application Number Title Priority Date Filing Date
GBGB0300173.2A Ceased GB0300173D0 (en) 2003-01-04 2003-01-04 Improved optical storage device
GB0513095A Expired - Fee Related GB2412229B (en) 2003-01-04 2003-12-24 Improved optical storage device

Country Status (3)

Country Link
AU (1) AU2003298450A1 (en)
GB (3) GB0300173D0 (en)
WO (1) WO2004061830A2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006236530A (en) * 2005-02-28 2006-09-07 Sanyo Electric Co Ltd Optical disk recording/playback apparatus
US8362757B2 (en) 2009-06-10 2013-01-29 Microchip Technology Incorporated Data retention secondary voltage regulator

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2531847B2 (en) * 1990-09-27 1996-09-04 インターナシヨナル・ビジネス・マシーンズ・コーポレーシヨン Optical disk drive
GB2323218B (en) * 1997-03-12 1999-04-07 Logic I O Limited External data drive for computer
JP2000222077A (en) * 1999-02-02 2000-08-11 Matsushita Electric Ind Co Ltd Optical disk unit
JP2004500674A (en) * 1999-04-21 2004-01-08 シーゲイト　テクノロジー　エルエルシー Dual mode disk device and method
US6262545B1 (en) * 2000-04-24 2001-07-17 International Business Machines Corporation Dual speed motor drive circuit

Also Published As

Publication number Publication date
GB0601777D0 (en) 2006-03-08
GB2412229B (en) 2006-05-10
AU2003298450A1 (en) 2004-07-29
GB2420906B (en) 2006-11-15
AU2003298450A8 (en) 2004-07-29
GB2412229A (en) 2005-09-21
GB0513095D0 (en) 2005-08-03
WO2004061830A2 (en) 2004-07-22
WO2004061830A3 (en) 2004-11-18
GB2420906A (en) 2006-06-07
GB2412229A8 (en) 2006-07-17
GB0300173D0 (en) 2003-02-05

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20071224