MX9603144A - Dispositivo impulsor de disco y metodo para registro y reproduccion optica. - Google Patents

Dispositivo impulsor de disco y metodo para registro y reproduccion optica.

Info

Publication number
MX9603144A
MX9603144A MX9603144A MX9603144A MX9603144A MX 9603144 A MX9603144 A MX 9603144A MX 9603144 A MX9603144 A MX 9603144A MX 9603144 A MX9603144 A MX 9603144A MX 9603144 A MX9603144 A MX 9603144A
Authority
MX
Mexico
Prior art keywords
reproduction
driving device
optical recording
disk driving
focus
Prior art date
Application number
MX9603144A
Other languages
English (en)
Other versions
MXPA96003144A (es
Inventor
Keiichi Tsutsui
Motohisa Kobayashi
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Publication of MX9603144A publication Critical patent/MX9603144A/es
Publication of MXPA96003144A publication Critical patent/MXPA96003144A/es

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
    • G11B19/20—Driving; Starting; Stopping; Control thereof
    • 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
    • G11B7/08511—Methods for track change, selection or preliminary positioning by moving the head with focus pull-in only
    • 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
    • G11B7/0945—Methods for initialising servos, start-up sequences
    • 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
    • G11B2007/0003—Recording, reproducing or erasing systems characterised by the structure or type of the carrier
    • G11B2007/0009—Recording, reproducing or erasing systems characterised by the structure or type of the carrier for carriers having data stored in three dimensions, e.g. volume storage
    • G11B2007/0013—Recording, reproducing or erasing systems characterised by the structure or type of the carrier for carriers having data stored in three dimensions, e.g. volume storage for carriers having multiple discrete layers
    • 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
    • G11B7/0908—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 for focusing only

Landscapes

  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Holo Graphy (AREA)

Abstract

Un dispositivo impulsor de disco para usarse en el registro y/o reproduccion de datos en un medio de registro optico que tiene una pluralidad de capas de registro. Cuando se lleva a cabo la operacion de salto de enfoque entre las capas de registro, un accionador desplaza un lente objetivo en respuesta a un impulso de aceleracion o desaceleracion generado selectivamente y una señal de error de enfoque o de variaciones en la sensibilidad en el accionador, se elimina desde luego.
MXPA/A/1996/003144A 1995-08-04 1996-08-01 Dispositivo impulsor de disco y metodo pararegistro de reproduccion optica MXPA96003144A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP19935695A JP3546549B2 (ja) 1995-08-04 1995-08-04 光学式ディスク駆動装置および方法
JP7-199356 1995-08-04

Publications (2)

Publication Number Publication Date
MX9603144A true MX9603144A (es) 1997-07-31
MXPA96003144A MXPA96003144A (es) 1997-12-01

Family

ID=

Also Published As

Publication number Publication date
TW452763B (en) 2001-09-01
JPH0950630A (ja) 1997-02-18
DE69630342T2 (de) 2004-08-19
EP0757345B1 (en) 2003-10-15
ATE252267T1 (de) 2003-11-15
CN1114906C (zh) 2003-07-16
CA2182262A1 (en) 1997-02-05
CN1151579A (zh) 1997-06-11
CA2182262C (en) 2007-04-10
MY113257A (en) 2001-12-31
KR970012532A (ko) 1997-03-29
AU6088396A (en) 1997-02-06
US5740136A (en) 1998-04-14
EP0757345A3 (en) 1998-02-04
ES2205002T3 (es) 2004-05-01
DE69630342D1 (de) 2003-11-20
KR100432816B1 (ko) 2004-09-04
AU710647B2 (en) 1999-09-23
EP0757345A2 (en) 1997-02-05
BR9603279A (pt) 1998-05-12
JP3546549B2 (ja) 2004-07-28

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Legal Events

Date Code Title Description
FG Grant or registration
MM Annulment or lapse due to non-payment of fees