DE3876841D1 - Optisches plattenantriebsgeraet. - Google Patents

Optisches plattenantriebsgeraet.

Info

Publication number: DE3876841D1
Authority: DE; Germany
Prior art keywords: optical disk; disk drive; drive; optical; disk
Prior art date: 1987-04-30
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

DE8888302839T

Other languages

English (en)

Other versions

DE3876841T2 (de

Inventor

Keiji Mitsubishi Denki Nakatsu

Masaharu Mitsubishi Denk Ogawa

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.)

Mitsubishi Electric Corp

Original Assignee

Mitsubishi Electric 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.)

1987-04-30

Filing date

1988-03-30

Publication date

1993-02-04

1988-03-30 Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp

1993-02-04 Application granted granted Critical

1993-02-04 Publication of DE3876841D1 publication Critical patent/DE3876841D1/de

1993-04-29 Publication of DE3876841T2 publication Critical patent/DE3876841T2/de

2008-03-31 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

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
- 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
- G11B7/08541—Methods for track change, selection or preliminary positioning by moving the head involving track counting to determine position
- 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

DE8888302839T 1987-04-30 1988-03-30 Optisches plattenantriebsgeraet. Expired - Fee Related DE3876841T2 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP62109330A JPS63273219A (ja)	1987-04-30	1987-04-30	光デイスク駆動装置

Publications (2)

Publication Number	Publication Date
DE3876841D1 true DE3876841D1 (de)	1993-02-04
DE3876841T2 DE3876841T2 (de)	1993-04-29

Family

ID=14507487

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE8888302839T Expired - Fee Related DE3876841T2 (de)	1987-04-30	1988-03-30	Optisches plattenantriebsgeraet.

Country Status (6)

Country	Link
US (1)	US4955009A (de)
EP (1)	EP0289143B1 (de)
JP (1)	JPS63273219A (de)
KR (1)	KR910005647B1 (de)
CA (1)	CA1301922C (de)
DE (1)	DE3876841T2 (de)

Families Citing this family (18)

* 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
JP2562195B2 (ja) *	1989-01-10	1996-12-11	シャープ株式会社	光ディスクのトラックカウンタ
JP2663616B2 (ja) *	1989-03-07	1997-10-15	松下電器産業株式会社	トラック検索装置
US5243586A (en) *	1989-04-07	1993-09-07	Nikon Corporation	Apparatus for retrieving a track on a recording medium by a light beam
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
JPH03205619A (ja) *	1989-10-11	1991-09-09	Olympus Optical Co Ltd	光ディスクのアクセス装置
US5182736A (en) *	1989-10-12	1993-01-26	Fujitsu Limited	Deceleration control system for positioning an optical head in an optical disk unit
NL9000131A (nl) *	1990-01-19	1991-08-16	Philips Nv	Lees- en/of schrijfinrichting.
EP0457194B1 (de) *	1990-05-17	1996-12-18	Fujitsu Limited	Such-Positionierungssystem für Scheibengerät
JPH05197973A (ja) *	1990-12-20	1993-08-06	Fuji Xerox Co Ltd	光学ヘッドの速度制御方法及びその装置
JP2633417B2 (ja) *	1991-08-02	1997-07-23	シャープ株式会社	光記録媒体駆動装置
KR0135787B1 (ko)	1995-05-13	1998-05-15	김광호	씨디-롬 드라이브에서의 디스크 캘리브레인션 방법
KR970050736A (ko) *	1995-12-19	1997-07-29	김광호	씨디-롬 드라이브에서의 슬레드 모터 제어방법
JP2000251269A (ja) *	1999-02-26	2000-09-14	Sony Corp	情報記録再生装置および方法並びに伝送媒体
JP4524903B2 (ja) *	2000-10-27	2010-08-18	パナソニック株式会社	光ディスクのオフトラック検出回路
TW514893B (en) *	2001-06-18	2002-12-21	Acer Labs Inc	Long seeking control system for disc drive and method thereof
JP2004030798A (ja) *	2002-06-26	2004-01-29	Mitsubishi Electric Corp	記録ディスク再生装置
KR100950527B1 (ko) *	2003-07-15	2010-03-30	삼성전자주식회사	픽업의 위치를 고려한 트랙 점프 장치 및 방법

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5616966A (en) *	1979-07-17	1981-02-18	Fujitsu Ltd	Track passing pulse generating circuit
US4390912A (en) *	1980-11-12	1983-06-28	Digital Equipment Corporation	Transducer positioning system and data disk therefor
JPS58166567A (ja) *	1982-03-26	1983-10-01	Matsushita Electric Ind Co Ltd	情報トラックの検索装置
US4547822A (en) *	1983-08-04	1985-10-15	Tecstor, Inc.	Head positioning servo for disk drives
US4581664A (en) *	1983-09-21	1986-04-08	Memorex Corporation	Disk accessing circuitry
JPS60125974A (ja) *	1983-12-09	1985-07-05	Matsushita Electric Ind Co Ltd	情報トラックの検索装置
JPS60145576A (ja) *	1984-01-10	1985-08-01	Canon Inc	光学情報記録再生装置のトラックシーク方法
JPS61260474A (ja) *	1985-05-15	1986-11-18	Mitsubishi Electric Corp	光デイスク駆動装置
DE3520189A1 (de) *	1985-06-05	1986-12-11	Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen	Verfahren fuer das spurspringen bei spursuchvorgaengen und schaltungsanordnung zur durchfuehrung des verfahrens
JPS6310324A (ja) *	1986-07-01	1988-01-16	Mitsubishi Electric Corp	光デイスク駆動装置

1987
- 1987-04-30 JP JP62109330A patent/JPS63273219A/ja active Pending
1988
- 1988-02-02 KR KR1019880000935A patent/KR910005647B1/ko not_active IP Right Cessation
- 1988-03-16 CA CA000561544A patent/CA1301922C/en not_active Expired - Lifetime
- 1988-03-30 DE DE8888302839T patent/DE3876841T2/de not_active Expired - Fee Related
- 1988-03-30 EP EP88302839A patent/EP0289143B1/de not_active Expired - Lifetime
- 1988-04-22 US US07/184,985 patent/US4955009A/en not_active Expired - Fee Related

Also Published As

Publication number	Publication date
EP0289143B1 (de)	1992-12-23
EP0289143A3 (en)	1990-08-08
EP0289143A2 (de)	1988-11-02
CA1301922C (en)	1992-05-26
JPS63273219A (ja)	1988-11-10
KR880013147A (ko)	1988-11-30
DE3876841T2 (de)	1993-04-29
KR910005647B1 (ko)	1991-08-01
US4955009A (en)	1990-09-04

Publication	Publication Date	Title
DE69030017D1 (de)	1997-04-10	Optischer Plattenantrieb
DE68928476D1 (de)	1998-01-15	Plattenantriebsanordnung.
DE3887304D1 (de)	1994-03-03	Optisches Aufzeichnungsmedium.
DE3883826D1 (de)	1993-10-14	Optisches Aufzeichnungsmedium.
DE3860239D1 (de)	1990-07-26	Scheibeneinfassung.
DE3853982D1 (de)	1995-07-20	Optisches Plattenspeichersystem.
DE3771406D1 (de)	1991-08-22	Optisches aufzeichnungsmedium.
DE3876841D1 (de)	1993-02-04	Optisches plattenantriebsgeraet.
DE3879311D1 (de)	1993-04-22	Disk-kassette.
DE3762469D1 (de)	1990-05-31	Plattenantrieb.
DE3678311D1 (de)	1991-05-02	Optisches plattengeraet.
DE3683918D1 (de)	1992-03-26	Platten-antriebsgeraet.
DE3873005D1 (de)	1992-08-27	Optischer plattenspieler.
DE3785572D1 (de)	1993-05-27	Optisches aufzeichnungsmedium.
DE3784389D1 (de)	1993-04-08	Optisches aufzeichnungsmedium.
NL191715B (nl)	1995-12-01	Kegelschijvenaandrijving.
DE68921140D1 (de)	1995-03-23	Optischer Plattenspieler.
DE3787388D1 (de)	1993-10-21	Optisches Aufzeichnungsgerät.
DE3854258D1 (de)	1995-09-07	Optisches Aufzeichnungswiedergabegerät.
FI901733A0 (fi)	1990-04-05	Optisk diskkassett med flexibelt minnesmedium.
DE3781304D1 (de)	1992-10-01	Optisches aufzeichnungsmaterial.
DE3763266D1 (de)	1990-07-19	Optische speicherplatte.
DE3884748D1 (de)	1993-11-11	Optische Plattenspieler.
KR870017274U (ko)	1987-11-30	디스크 구동장치
DE3879283D1 (de)	1993-04-22	Optischer aufzeichnungstraeger.

Legal Events

Date	Code	Title	Description
1994-01-27	8364	No opposition during term of opposition
1996-03-07	8339	Ceased/non-payment of the annual fee