ATE108937T1 - Optischer plattenantrieb. - Google Patents

Optischer plattenantrieb.

Info

Publication number
ATE108937T1
ATE108937T1 AT88307646T AT88307646T ATE108937T1 AT E108937 T1 ATE108937 T1 AT E108937T1 AT 88307646 T AT88307646 T AT 88307646T AT 88307646 T AT88307646 T AT 88307646T AT E108937 T1 ATE108937 T1 AT E108937T1
Authority
AT
Austria
Prior art keywords
optical pickup
velocity
recording track
target recording
optical disk
Prior art date
Application number
AT88307646T
Other languages
English (en)
Inventor
Shigeaki Wachi
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
Application granted granted Critical
Publication of ATE108937T1 publication Critical patent/ATE108937T1/de

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
    • G11B7/08—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
    • G11B7/085—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
    • 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
    • G11B7/08529—Methods and circuits to control the velocity of the head as it traverses the tracks

Landscapes

  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
  • Moving Of Head For Track Selection And Changing (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Holo Graphy (AREA)
AT88307646T 1987-08-20 1988-08-18 Optischer plattenantrieb. ATE108937T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62206971A JP2565205B2 (ja) 1987-08-20 1987-08-20 光デイスク装置

Publications (1)

Publication Number Publication Date
ATE108937T1 true ATE108937T1 (de) 1994-08-15

Family

ID=16532035

Family Applications (1)

Application Number Title Priority Date Filing Date
AT88307646T ATE108937T1 (de) 1987-08-20 1988-08-18 Optischer plattenantrieb.

Country Status (6)

Country Link
US (1) US5056072A (de)
EP (1) EP0304299B1 (de)
JP (1) JP2565205B2 (de)
KR (1) KR970008608B1 (de)
AT (1) ATE108937T1 (de)
DE (1) DE3850718T2 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5270988A (en) * 1988-08-08 1993-12-14 Olympus Optical Co., Ltd. Optical recording and reproducing apparatus making access by multitrack jump
US5146440A (en) * 1988-08-29 1992-09-08 Matsushita Electric Industrial Co., Ltd. Track search apparatus
JPH02263367A (ja) * 1989-04-04 1990-10-26 Pioneer Electron Corp ディスクプレーヤのピックアップ駆動装置
US4914725A (en) * 1989-07-10 1990-04-03 International Business Machines Corporation Transducer positioning servo mechanisms employing digital and analog circuits
US5301174A (en) * 1989-07-14 1994-04-05 Sharp Kabushiki Kaisha Optical disk recording and reproducing apparatus
JP2760077B2 (ja) * 1989-08-29 1998-05-28 ソニー株式会社 光ディスクのシーク回路
US5182736A (en) * 1989-10-12 1993-01-26 Fujitsu Limited Deceleration control system for positioning an optical head in an optical disk unit
KR950006419B1 (ko) * 1990-04-16 1995-06-15 삼성전자주식회사 광기록 재생장치의 고속서치방법
US5475545A (en) * 1991-03-28 1995-12-12 Seagate Technology, Inc. Method for reducing noise during seeks in a hard disk drive
JP3056967B2 (ja) * 1995-02-24 2000-06-26 株式会社朝日コーポレーション ディスクプレーヤ
US5666236A (en) * 1995-08-22 1997-09-09 Iomega Corporation Velocity control for a disk drive actuator
KR20010084542A (ko) * 2000-02-26 2001-09-06 구자홍 광디스크 장치에서의 트랙서치 제어장치 및 방법
US6801384B2 (en) * 2000-09-14 2004-10-05 Samsung Electronics Co., Ltd. Voltage-constrained sinusoidal seek servo in hard disk drives
US6744702B2 (en) * 2000-09-29 2004-06-01 Kabushiki Kaisha Toshiba Apparatus for accessing recording disk by controlling the coarse and precise actuators
US7784568B2 (en) * 2008-09-18 2010-08-31 Freeport-Mcmoran Copper & Gold Inc. Method and apparatus for controlling tracked vehicles
US8767343B1 (en) * 2012-04-24 2014-07-01 Western Digital Technologies, Inc. Disk drive increasing integrator output range to complete seek operation

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2396379A1 (fr) * 1977-07-01 1979-01-26 Thomson Brandt Lecteur optique de disque d'information muni d'un dispositif d'acces automatique aux informations
US4333117A (en) * 1980-06-30 1982-06-01 Magnetic Peripherals Inc. Disc head arm position controller using digital velocity sensing
KR880000999B1 (ko) * 1981-11-25 1988-06-10 미쓰다 가쓰시게 광학적 정보 기억장치
JPS58153276A (ja) * 1982-03-05 1983-09-12 Hitachi Ltd アクセス制御回路
US4491776A (en) * 1982-05-25 1985-01-01 Manhattan Engineering Company, Inc. Servo operated digital positioning control system
EP0098076A1 (de) * 1982-06-14 1984-01-11 Nec Corporation Strahlzugriffsgerät für eine Vorrichtung mit optischen Scheiben
US4638230A (en) * 1982-09-15 1987-01-20 Ampex Corporation Bang-bang controlled velocity command generator
JPS6139239A (ja) * 1984-07-28 1986-02-25 Sony Corp 光学式デイスクプレ−ヤ
JPS61267976A (ja) * 1985-05-22 1986-11-27 Fujitsu Ltd 飛び移り方式
JPS61273776A (ja) * 1985-05-29 1986-12-04 Nippon Kogaku Kk <Nikon> 再生サ−ボ装置
US4809094A (en) * 1986-06-11 1989-02-28 Matsushita Electric Industrial Co., Ltd Method of accessing data recorded on a disk at a high speed
US4808900A (en) * 1987-03-02 1989-02-28 Unisys Corp. Bi-directional difference counter
JPH0783625B2 (ja) * 1987-04-03 1995-09-06 三菱電機株式会社 検出ヘツドの速度制御装置
JPS63279478A (ja) * 1987-05-08 1988-11-16 Sharp Corp アクセス制御方式
US4899234A (en) * 1988-04-04 1990-02-06 Magnetic Peripherals Inc. Adaptive velocity profile for disk actuator control

Also Published As

Publication number Publication date
EP0304299A2 (de) 1989-02-22
JP2565205B2 (ja) 1996-12-18
KR890004288A (ko) 1989-04-21
DE3850718D1 (de) 1994-08-25
KR970008608B1 (ko) 1997-05-27
EP0304299A3 (en) 1990-09-05
EP0304299B1 (de) 1994-07-20
US5056072A (en) 1991-10-08
DE3850718T2 (de) 1994-12-08
JPS6450286A (en) 1989-02-27

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee