DE69029115D1 - Informationsaufzeichnungs- und Wiedergabegerät - Google Patents

Informationsaufzeichnungs- und Wiedergabegerät

Info

Publication number: DE69029115D1
Authority: DE; Germany
Prior art keywords: information recording; reproducing apparatus; reproducing; recording; information
Prior art date: 1989-09-12
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

DE69029115T

Other languages

English (en)

Other versions

DE69029115T2 (de

Inventor

Hiroshi Fuji

Toshihisa Deguchi

Shigeo Terashima

Takeshi Yamaguchi

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.)

Sharp Corp

Original Assignee

Sharp 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.)

1989-09-12

Filing date

1990-09-12

Publication date

1996-12-19

1989-09-12 Priority claimed from JP1236655A external-priority patent/JP2501914B2/ja

1989-09-14 Priority claimed from JP1239010A external-priority patent/JP2501915B2/ja

1989-09-14 Priority claimed from JP23901389A external-priority patent/JPH03102641A/ja

1989-09-14 Priority claimed from JP23901189A external-priority patent/JPH03102639A/ja

1989-09-14 Priority claimed from JP1239012A external-priority patent/JP2589824B2/ja

1990-09-12 Application filed by Sharp Corp filed Critical Sharp Corp

1996-12-19 Application granted granted Critical

1996-12-19 Publication of DE69029115D1 publication Critical patent/DE69029115D1/de

1997-04-03 Publication of DE69029115T2 publication Critical patent/DE69029115T2/de

2010-09-13 Anticipated expiration legal-status Critical

Status 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
- 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
- G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
- G11B7/005—Reproducing
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/10009—Improvement or modification of read or write signals
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
- G11B20/1217—Formatting, e.g. arrangement of data block or words on the record carriers on discs

Landscapes

Engineering & Computer Science (AREA)
Signal Processing (AREA)
Optical Recording Or Reproduction (AREA)
Digital Magnetic Recording (AREA)

DE69029115T 1989-09-12 1990-09-12 Informationsaufzeichnungs- und Wiedergabegerät Expired - Fee Related DE69029115T2 (de)

Applications Claiming Priority (5)

Application Number	Priority Date	Filing Date	Title
JP1236655A JP2501914B2 (ja)	1989-09-12	1989-09-12	情報記録再生装置
JP1239010A JP2501915B2 (ja)	1989-09-14	1989-09-14	光記録再生装置
JP23901389A JPH03102641A (ja)	1989-09-14	1989-09-14	光メモリ装置のオートゲインコントロール装置
JP23901189A JPH03102639A (ja)	1989-09-14	1989-09-14	情報記録再生装置
JP1239012A JP2589824B2 (ja)	1989-09-14	1989-09-14	光メモリ装置のオートゲインコントロール装置

Publications (2)

Publication Number	Publication Date
DE69029115D1 true DE69029115D1 (de)	1996-12-19
DE69029115T2 DE69029115T2 (de)	1997-04-03

Family

ID=27529970

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE69029115T Expired - Fee Related DE69029115T2 (de)	1989-09-12	1990-09-12	Informationsaufzeichnungs- und Wiedergabegerät

Country Status (4)

Country	Link
US (1)	US5361247A (de)
EP (1)	EP0418070B1 (de)
CA (1)	CA2025121C (de)
DE (1)	DE69029115T2 (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5265079A (en)	1991-02-15	1993-11-23	Applied Magnetics Corporation	Seek actuator for optical recording
US6141300A (en)	1989-06-20	2000-10-31	Discovision Associates	Optical actuator including lens assembly with optical axis having symmetric suspensory forces acting thereon and optical disc system including same
US6069857A (en)	1991-02-15	2000-05-30	Discovision Associates	Optical disc system having improved circuitry for performing blank sector check on readable disc
US5677899A (en)	1991-02-15	1997-10-14	Discovision Associates	Method for moving carriage assembly from initial position to target position relative to storage medium
US5729511A (en)	1991-02-15	1998-03-17	Discovision Associates	Optical disc system having servo motor and servo error detection assembly operated relative to monitored quad sum signal
US6236625B1 (en)	1991-02-15	2001-05-22	Discovision Associates	Optical disc system having current monitoring circuit with controller for laser driver and method for operating same
US5881039A (en) *	1993-03-09	1999-03-09	Matsushita Electric Industrial Co., Ltd.	Signal processing device for an optical information reproducing apparatus
US5740141A (en) *	1993-03-09	1998-04-14	Matsushita Electric Industrial Co., Ltd.	Signal processing device for an optical information reproducing apparatus
JP3567472B2 (ja) *	1993-09-29	2004-09-22	ソニー株式会社	光磁気記録装置
US5694386A (en) *	1993-10-29	1997-12-02	Sharp Kabushiki Kaisha	Interpolating gain amplifier for information reproducing apparatus
JPH0831092A (ja) *	1994-07-20	1996-02-02	Hitachi Ltd	光ディスク装置
US5587975A (en) *	1994-10-24	1996-12-24	Sony Corporation	Magneto-optical disk reproducing apparatus with gain and offset controlled by a reference pattern read from the disk
US6434087B1 (en)	1995-01-25	2002-08-13	Discovision Associates	Optical disc system and method for controlling bias coil and light source to process information on a storage medium
US5748578A (en)	1995-01-25	1998-05-05	Discovision Associates	Colpitts type oscillator having reduced ringing and improved optical disc system utilizing same
US6091684A (en)	1995-01-25	2000-07-18	Discovision Associates	Optical disc system and method for changing the rotational rate of an information storage medium
KR100189911B1 (ko) *	1996-05-15	1999-06-01	윤종용	광디스크 드라이브의 서보장치 및 그 제어방법
JP3855361B2 (ja) *	1997-05-08	2006-12-06	ソニー株式会社	情報再生装置および再生方法
US7916588B2 (en) *	2003-10-20	2011-03-29	Panasonic Corporation	Control apparatus, control method, access apparatus, access method, program, and write-once recording medium
JP2009238285A (ja) *	2008-03-26	2009-10-15	Sony Corp	光記録方法及び光記録装置
KR101466926B1 (ko) *	2008-09-25	2014-12-01	삼성전자주식회사	오프셋 전압을 보상할 수 있는 신호 처리기, 워블 신호 검출기, 및 이를 포함하는 광 디스크 장치
US11863062B2 (en) *	2018-04-27	2024-01-02	Raytheon Company	Capacitor discharge circuit

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS57200909A (en) *	1981-06-01	1982-12-09	Victor Co Of Japan Ltd	Reproducing device for information recording medium
JPS5880138A (ja)	1981-11-06	1983-05-14	Teac Co	光記録方式
JPS58121814A (ja) *	1982-01-14	1983-07-20	Nec Corp	振幅制限回路
EP0095766B1 (de) *	1982-05-31	1986-10-22	Hitachi, Ltd.	Servoschaltung für ein Gerät zur Wiedergabe von Signalen
JPS59116939A (ja) *	1982-12-23	1984-07-06	Olympus Optical Co Ltd	光学式記録再生装置
JPS6013334A (ja)	1983-07-04	1985-01-23	Victor Co Of Japan Ltd	光記録再生装置
JPS59193544A (ja) *	1984-03-30	1984-11-02	Canon Inc	信号記録方法
JPS60214614A (ja) *	1984-04-11	1985-10-26	Hitachi Ltd	Ａｇｃ回路
JPS6240665A (ja) *	1985-08-16	1987-02-21	Hitachi Ltd	光デイスクのセクタマ−ク検出回路
DE3689023T2 (de) *	1985-10-08	1994-02-10	Sharp Kk	Wellenformverarbeitungsschaltung.
JPS6282813A (ja) *	1985-10-08	1987-04-16	Sharp Corp	波形処理回路
JPH0687324B2 (ja) *	1986-07-17	1994-11-02	松下電器産業株式会社	光磁気デイスク記録再生装置の多重化装置
JPS6414772A (en) *	1987-07-08	1989-01-18	Pioneer Electronic Corp	Rf signal processing circuit
JPH01173475A (ja) *	1987-12-28	1989-07-10	Ricoh Co Ltd	読み出し信号増幅回路
US4910479A (en) *	1988-01-22	1990-03-20	Sharp Kabushiki Kaisha	Automatic gain control device for use in an optical memory device

1990
- 1990-09-11 US US07/581,218 patent/US5361247A/en not_active Expired - Lifetime
- 1990-09-12 DE DE69029115T patent/DE69029115T2/de not_active Expired - Fee Related
- 1990-09-12 EP EP90310006A patent/EP0418070B1/de not_active Expired - Lifetime
- 1990-09-12 CA CA002025121A patent/CA2025121C/en not_active Expired - Fee Related

Also Published As

Publication number	Publication date
EP0418070B1 (de)	1996-11-13
CA2025121C (en)	1997-06-24
CA2025121A1 (en)	1991-03-13
US5361247A (en)	1994-11-01
DE69029115T2 (de)	1997-04-03
EP0418070A3 (en)	1993-07-21
EP0418070A2 (de)	1991-03-20

Legal Events

Date	Code	Title	Description
1997-03-20	8328	Change in the person/name/address of the agent	Free format text: PATENTANWAELTE MUELLER & HOFFMANN, 81667 MUENCHEN
1997-12-11	8364	No opposition during term of opposition
2007-07-26	8339	Ceased/non-payment of the annual fee

Publication	Publication Date	Title
DE69031053D1 (de)	1997-08-21	Informationsaufzeichnungs-/Wiedergabegerät und Informationsaufzeichnungsträger
DE69021227D1 (de)	1995-09-07	Daten-Aufzeichnungs- und -Wiedergabegerät.
KR0138113B1 (en)	1998-05-15	Information recording and reproducing apparatus
DE69124423D1 (de)	1997-03-13	Aufzeichnungs- und Wiedergabeverfahren und -gerät
DE69127210T2 (de)	1998-01-15	Informationsaufnahmeverfahren und -gerät
DE69029115D1 (de)	1996-12-19	Informationsaufzeichnungs- und Wiedergabegerät
DE68923721T2 (de)	1996-02-08	Informationsaufzeichnungsgerät und Informationsaufzeichnungs-und-wiedergabeverfahren.
DE69530231D1 (de)	2003-05-08	Informationsaufzeichnungs- und/oder -wiedergabegerät
DE69325884D1 (de)	1999-09-09	Informationsaufzeichnungs- und wiedergabegerät
DE69126736D1 (de)	1997-08-14	Informationsaufzeichnungs-und Wiedergabegerät
EP0478373A3 (en)	1993-03-03	Information recording and reproducing apparatus
DE69225873D1 (de)	1998-07-16	Informationsaufzeichungs- und Wiedergabegerät
DE69430392D1 (de)	2002-05-16	Informationsaufzeichnungs- und -wiedergabegerät
DE69520320D1 (de)	2001-04-19	Informationsaufzeichnungs- und -wiedergabegerät
DE69427658T2 (de)	2002-05-29	Informations-Aufzeichnungs-/Wiedergabevorrichtung
DE69212875T2 (de)	1997-02-20	Informationsaufzeichnungs- und -wiedergabegerät
DE69022910D1 (de)	1995-11-16	Informationsaufzeichnungs- und -wiedergabevorrichtung.
KR900012218A (ko)	1990-08-03	정보기록과 재생방법 및 그의 장치
DE69028954D1 (de)	1996-11-28	Optisches Informationsaufzeichnungs- und -wiedergabegerät
DE69026667T2 (de)	1996-09-26	Informationsaufzeichnungs- und -wiedergabemethode
DE69321163D1 (de)	1998-10-29	Informationsaufzeichnungs- und -wiedergabegerät
DE69025114D1 (de)	1996-03-14	Aufzeichnungsmedium und Wiedergabemethode dafür