JPH0419613B2 - - Google Patents

Info

Publication number: JPH0419613B2
Authority: JP; Japan
Prior art keywords: signal; tracking; synchronization; information; sample
Prior art date: 1982-08-16
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 - Lifetime

Application number

JP57141121A

Other languages

English (en)

Japanese (ja)

Other versions

JPS5933638A (ja

Inventor

Seiji Yonezawa

Tatsuo Horikoshi

Toshiaki Tsuyoshi

Kazuo Takasugi

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.)

Hitachi Ltd

Original Assignee

Hitachi 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.)

1982-08-16

Filing date

1982-08-16

Publication date

1992-03-31

1982-08-16 Application filed by Hitachi Ltd filed Critical Hitachi Ltd

1982-08-16 Priority to JP14112182A priority Critical patent/JPS5933638A/ja

1982-11-23 Priority to US06/443,871 priority patent/US4564929A/en

1982-11-23 Priority to NL8204555A priority patent/NL8204555A/nl

1982-11-24 Priority to FR8219714A priority patent/FR2517103A1/fr

1982-11-25 Priority to DE19823243685 priority patent/DE3243685A1/de

1984-02-23 Publication of JPS5933638A publication Critical patent/JPS5933638A/ja

1985-08-30 Priority to FR8512960A priority patent/FR2569038B1/fr

1992-03-31 Publication of JPH0419613B2 publication Critical patent/JPH0419613B2/ja

Status Granted legal-status Critical Current

Links

238000000034 method Methods 0.000 claims description 7
230000003287 optical effect Effects 0.000 description 14
238000010586 diagram Methods 0.000 description 12
239000004065 semiconductor Substances 0.000 description 5
239000000463 material Substances 0.000 description 4
102000001999 Transcription Factor Pit-1 Human genes 0.000 description 3
108010040742 Transcription Factor Pit-1 Proteins 0.000 description 3
206010010071 Coma Diseases 0.000 description 2
230000004075 alteration Effects 0.000 description 2
238000001514 detection method Methods 0.000 description 2
230000000694 effects Effects 0.000 description 2
230000035945 sensitivity Effects 0.000 description 2
238000007796 conventional method Methods 0.000 description 1
230000008878 coupling Effects 0.000 description 1
238000010168 coupling process Methods 0.000 description 1
238000005859 coupling reaction Methods 0.000 description 1
230000007423 decrease Effects 0.000 description 1
230000003247 decreasing effect Effects 0.000 description 1
238000012986 modification Methods 0.000 description 1
230000004048 modification Effects 0.000 description 1
230000010363 phase shift Effects 0.000 description 1
230000010287 polarization Effects 0.000 description 1
230000001360 synchronised effect Effects 0.000 description 1

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
- G11B7/0901—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 track following only

Landscapes

Optical Recording Or Reproduction (AREA)

JP14112182A 1981-11-25 1982-08-16 情報記録再生方法 Granted JPS5933638A (ja)

Priority Applications (6)

Application Number	Priority Date	Filing Date	Title
JP14112182A JPS5933638A (ja)	1982-08-16	1982-08-16	情報記録再生方法
US06/443,871 US4564929A (en)	1981-11-25	1982-11-23	Information recording and reproducing apparatus with tracking control by sampling
NL8204555A NL8204555A (nl)	1981-11-25	1982-11-23	Inrichting voor het registreren en weergeven van informatie.
FR8219714A FR2517103A1 (fr)	1981-11-25	1982-11-24	Appareil d'enregistrement et de reproduction d'informations
DE19823243685 DE3243685A1 (de)	1981-11-25	1982-11-25	Informationsaufnahme- und wiedergabegeraet fuer eine optische platte
FR8512960A FR2569038B1 (fr)	1981-11-25	1985-08-30	Appareil d'enregistrement et de reproduction d'informations

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP14112182A JPS5933638A (ja)	1982-08-16	1982-08-16	情報記録再生方法

Publications (2)

Publication Number	Publication Date
JPS5933638A JPS5933638A (ja)	1984-02-23
JPH0419613B2 true JPH0419613B2 (ko)	1992-03-31

Family

ID=15284639

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
JP14112182A Granted JPS5933638A (ja)	1981-11-25	1982-08-16	情報記録再生方法

Country Status (1)

Country	Link
JP (1)	JPS5933638A (ko)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5382220A (en) *	1976-12-28	1978-07-20	Victor Co Of Japan Ltd	Information recording disc and its reproducing system
JPS56124132A (en) *	1980-02-29	1981-09-29	Toshiba Corp	Tracking control circuit for optical disc
JPS5774837A (en) *	1980-10-25	1982-05-11	Olympus Optical Co Ltd	Signal detection system of optical information reproducing device

1982
- 1982-08-16 JP JP14112182A patent/JPS5933638A/ja active Granted

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5382220A (en) *	1976-12-28	1978-07-20	Victor Co Of Japan Ltd	Information recording disc and its reproducing system
JPS56124132A (en) *	1980-02-29	1981-09-29	Toshiba Corp	Tracking control circuit for optical disc
JPS5774837A (en) *	1980-10-25	1982-05-11	Olympus Optical Co Ltd	Signal detection system of optical information reproducing device

Also Published As

Publication number	Publication date
JPS5933638A (ja)	1984-02-23

Similar Documents

Publication	Publication Date	Title
US5084860A (en)	1992-01-28	Apparatus for optical disc memory with correction pattern and master disc cutting apparatus
US4748609A (en)	1988-05-31	Method and apparatus for composite tracking servo system with track offset correction and rotary optical disc having at least one correction mark for correcting track offset
US6118752A (en)	2000-09-12	Optical information recording medium offset pre-pit array indicating identification information
US6487147B2 (en)	2002-11-26	Optical information recording medium and an optical information recording/reproduction device
JPH01311440A (ja)	1989-12-15	光磁気情報記録再生装置
US5138598A (en)	1992-08-11	Optical disk having relatively wide ram tracks and relatively narrow rom tracks
JPH0690804B2 (ja)	1994-11-14	光学的情報記録再生装置
JPH0427610B2 (ko)	1992-05-12
JPS63249941A (ja)	1988-10-17	光記録再生装置
JP2821122B2 (ja)	1998-11-05	光磁気ディスク装置および光磁気記録方法
JPH07105549A (ja)	1995-04-21	光学的情報記録再生方法及び光学的情報記録再生装置
JPS61151843A (ja)	1986-07-10	光メモリデイスク
US6744706B2 (en)	2004-06-01	Optical system with tracking controller
JPH09251639A (ja)	1997-09-22	光ディスクおよびその記録再生装置
JPS63249939A (ja)	1988-10-17	光記録再生装置
JPH01287825A (ja)	1989-11-20	光記録再生装置
JPH0419613B2 (ko)	1992-03-31
JP2528822B2 (ja)	1996-08-28	情報記録媒体およびその記録再生装置
JPS6113458A (ja)	1986-01-21	光学的情報記録媒体およびカツテイング装置
JP2743544B2 (ja)	1998-04-22	記録媒体
JPH024062B2 (ko)	1990-01-25
JP2568490B2 (ja)	1997-01-08	光学ピツクアツプ装置
JPH0680537B2 (ja)	1994-10-12	情報記録再生装置
JPH0650568B2 (ja)	1994-06-29	光学記録再生装置
JP3086465B2 (ja)	2000-09-11	信号再生方法