DE69119144D1 - Optisches Aufzeichnungs- und Wiedergabegerät - Google Patents

Optisches Aufzeichnungs- und Wiedergabegerät

Info

Publication number: DE69119144D1
Authority: DE; Germany
Prior art keywords: optical recording; playback device; playback; recording; optical
Prior art date: 1990-06-18
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

DE69119144T

Other languages

English (en)

Other versions

DE69119144T2 (de

Inventor

Yasuaki Edahiro

Katsuya Watanabe

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.)

Panasonic Holdings Corp

Original Assignee

Matsushita Electric Industrial Co 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.)

1990-06-18

Filing date

1991-06-18

Publication date

1996-06-05

1991-06-18 Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd

1996-06-05 Application granted granted Critical

1996-06-05 Publication of DE69119144D1 publication Critical patent/DE69119144D1/de

1996-12-19 Publication of DE69119144T2 publication Critical patent/DE69119144T2/de

2011-06-19 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
- 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
- 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
- G11B7/0941—Methods and circuits for servo gain or phase compensation during operation

DE69119144T 1990-06-18 1991-06-18 Optisches Aufzeichnungs- und Wiedergabegerät Expired - Fee Related DE69119144T2 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP2159034A JP2563648B2 (ja)	1990-06-18	1990-06-18	光学式記録再生装置

Publications (2)

Publication Number	Publication Date
DE69119144D1 true DE69119144D1 (de)	1996-06-05
DE69119144T2 DE69119144T2 (de)	1996-12-19

Family

ID=15684808

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE69119144T Expired - Fee Related DE69119144T2 (de)	1990-06-18	1991-06-18	Optisches Aufzeichnungs- und Wiedergabegerät

Country Status (5)

Country	Link
US (1)	US5199015A (de)
EP (1)	EP0462561B1 (de)
JP (1)	JP2563648B2 (de)
KR (1)	KR940009244B1 (de)
DE (1)	DE69119144T2 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH0668498A (ja) *	1992-08-24	1994-03-11	Toshiba Corp	情報記録媒体処理装置
KR100230228B1 (ko) *	1993-07-31	1999-11-15	윤종용	광디스크 시스템의 포커싱 제어장치
US5436880A (en) *	1994-01-10	1995-07-25	Eastman Kodak Company	Laser power control in an optical recording system using partial correction of reflected signal error
US5978329A (en) *	1995-06-07	1999-11-02	Discovision Associates	Technique for closed loop servo operation in optical disc tracking control
DE69612819T2 (de)	1995-12-06	2002-01-17	Discovision Associates, Irvine	Gerät und Verfahren zum Regeln der Fokussierung
WO1997027588A1 (fr) *	1996-01-22	1997-07-31	Hitachi, Ltd.	Appareil a disque magnetique
US6407876B1 (en)	1996-01-22	2002-06-18	Hitachi, Ltd.	Magnetic disk apparatus having an accelerometer for detecting acceleration in the positioning direction of the magnetic head
US5689485A (en) *	1996-04-01	1997-11-18	Discovision Associates	Tracking control apparatus and method
US7522480B2 (en) *	2001-01-25	2009-04-21	Dphi Acquisitions, Inc.	Digital tracking servo system with multi-track seek with an acceleration clamp
US7196979B2 (en) *	2001-01-25	2007-03-27	Dphi Acquisitions, Inc.	Calibration storage methods for a digital focus and tracking servo system with calibration
US20070104050A1 (en) *	2003-06-25	2007-05-10	Matsushita Electric Industrial Co., Ltd	Focus control device and tracking control device
CN1310229C (zh)	2003-11-17	2007-04-11	威盛电子股份有限公司	调整光驱伺服系统的控制参数的装置及方法
TWI261226B (en) *	2004-01-20	2006-09-01	Via Tech Inc	Apparatus and method of dynamic adjusting the detection window
TWI261240B (en)	2004-08-17	2006-09-01	Via Tech Inc	Method for determining data storage quality of optical disc
WO2009025009A1 (ja) *	2007-08-21	2009-02-26	Fujitsu Limited	記録媒体駆動装置および摩擦特性測定方法
JPWO2009154003A1 (ja) *	2008-06-20	2011-11-24	パナソニック株式会社	焦点位置制御装置及びそれを備えた光ディスク装置並びに焦点位置制御方法
KR101286634B1 (ko) *	2012-01-13	2013-07-22	도시바삼성스토리지테크놀러지코리아 주식회사	광 검출 소자 및 이를 적용하는 광 픽업 장치 및 광 디스크 드라이브

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS61177642A (ja) *	1985-01-31	1986-08-09	Olympus Optical Co Ltd	光学的情報記録再生装置
US4755980A (en) *	1985-02-19	1988-07-05	Kabushiki Kaisha Toshiba	Optical disk and recording/reproducing device for optical disk
EP0247829A1 (de) *	1986-05-26	1987-12-02	Pioneer Electronic Corporation	Verfahren und Vorrichtung zur Korrektur der Schleifenverstärkung einer feineinstellbaren Servoschleife
JPS6489034A (en) *	1987-09-30	1989-04-03	Matsushita Electric Industrial Co Ltd	Optical disk drive controller
EP0363195B1 (de) *	1988-10-05	1995-08-02	Pioneer Electronic Corporation	Plattenspieler mit Servokreis von variabler Übertragungsfunktion
US4942564A (en) *	1988-10-31	1990-07-17	Hewlett-Packard Company	Servo system gain compensation method for magneto-optic disk drives
JPH02247830A (ja) *	1989-03-20	1990-10-03	Pioneer Electron Corp	サーボループのループゲイン設定方法

1990
- 1990-06-18 JP JP2159034A patent/JP2563648B2/ja not_active Expired - Fee Related
1991
- 1991-06-17 KR KR1019910009958A patent/KR940009244B1/ko not_active Expired - Fee Related
- 1991-06-18 EP EP91109951A patent/EP0462561B1/de not_active Expired - Lifetime
- 1991-06-18 US US07/716,982 patent/US5199015A/en not_active Expired - Lifetime
- 1991-06-18 DE DE69119144T patent/DE69119144T2/de not_active Expired - Fee Related

Also Published As

Publication number	Publication date
KR940009244B1 (ko)	1994-10-01
EP0462561B1 (de)	1996-05-01
EP0462561A3 (en)	1992-03-11
JP2563648B2 (ja)	1996-12-11
DE69119144T2 (de)	1996-12-19
JPH0449530A (ja)	1992-02-18
US5199015A (en)	1993-03-30
EP0462561A2 (de)	1991-12-27
KR920001454A (ko)	1992-01-30

Publication	Publication Date	Title
DE69122632D1 (de)	1996-11-21	Aufzeichnungs- und Wiedergabegerät
DE69125733D1 (de)	1997-05-28	Aufzeichnungs- und Wiedergabegerät
DE69122595D1 (de)	1996-11-14	Aufzeichnungs- und Abspielgerät
DE69225533D1 (de)	1998-06-25	Aufzeichnungs- und Wiedergabegerät
DE69330173D1 (de)	2001-05-31	Aufzeichnungs- und Wiedergabegerät
DE69227154D1 (de)	1998-11-05	Optisches Informationsaufzeichnungs- und -wiedergabegerät
DE69312835D1 (de)	1997-09-11	Aufzeichnungs- und Wiedergabegerät
DE69130006D1 (de)	1998-09-24	Datenaufzeichnungs- und Wiedergabevorrichtung
DE69331655D1 (de)	2002-04-11	Aufzeichnungs- und Wiedergabegerät
DE69420184D1 (de)	1999-09-30	Optisches Aufzeichnungs-/Wiedergabegerät
DE69012945D1 (de)	1994-11-03	Optische aufzeichnungs- und/oder -wiedergabegerät.
DE69516604D1 (de)	2000-06-08	Optisches Aufzeichnungs-/Wiedergabegerät
DE69129280D1 (de)	1998-05-28	Magnetooptisches Aufzeichnungs/Wiedergabegerät
DE69433732D1 (de)	2004-05-27	Optisches Aufzeichnungs-/Wiedergabegerät
DE69119144D1 (de)	1996-06-05	Optisches Aufzeichnungs- und Wiedergabegerät
KR900702515A (ko)	1990-12-07	광학기록 및/또는 재생장치
DE69125975D1 (de)	1997-06-12	Magnetisches Aufzeichnungs- und Wiedergabegerät
DE69320901D1 (de)	1998-10-15	Aufzeichnungs-Wiedergabegerät
DE69126736D1 (de)	1997-08-14	Informationsaufzeichnungs-und Wiedergabegerät
DE69024416D1 (de)	1996-02-08	Optisches Aufzeichnungs- und Wiedergabegerät
DE69318942D1 (de)	1998-07-09	Optisches Aufzeichen- und Wiedergabegerät
DE69125870D1 (de)	1997-06-05	Magnetisches Aufzeichnungs- und Wiedergabegerät
DE69124680D1 (de)	1997-03-27	Informations-Aufnahme/Wiedergabegerät
DE69024739D1 (de)	1996-02-22	Optisches Aufnahme-/Wiedergabegerät
DE3870339D1 (de)	1992-05-27	Optisches aufzeichnungs- und wiedergabegeraet.

Legal Events

Date	Code	Title	Description
1997-05-28	8364	No opposition during term of opposition
2007-04-19	8339	Ceased/non-payment of the annual fee