DE69616301D1 - Optische Suchmethode und -gerät - Google Patents

Optische Suchmethode und -gerät

Info

Publication number: DE69616301D1
Authority: DE; Germany
Prior art keywords: track; signal; tracking error; error signal; true
Prior art date: 1995-04-07
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

DE69616301T

Other languages

English (en)

Other versions

DE69616301T2 (de

Inventor

David Earl Lewis

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.)

Discovision Associates

Original Assignee

Discovision Associates

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.)

1995-04-07

Filing date

1996-03-19

Publication date

2001-11-29

1996-03-19 Application filed by Discovision Associates filed Critical Discovision Associates

2001-11-29 Application granted granted Critical

2001-11-29 Publication of DE69616301D1 publication Critical patent/DE69616301D1/de

2002-04-18 Publication of DE69616301T2 publication Critical patent/DE69616301T2/de

2016-03-20 Anticipated expiration legal-status Critical

Status Expired - Lifetime 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
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- 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

DE69616301T 1995-04-07 1996-03-19 Optische Suchmethode und -gerät Expired - Lifetime DE69616301T2 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US08/418,723 US5719836A (en)	1995-04-07	1995-04-07	Optical seeking method and apparatus generating track count signal from tracking error signal and data signal

Publications (2)

Publication Number	Publication Date
DE69616301D1 true DE69616301D1 (de)	2001-11-29
DE69616301T2 DE69616301T2 (de)	2002-04-18

Family

ID=23659323

Family Applications (3)

Application Number	Title	Priority Date	Filing Date
DE69624694T Expired - Lifetime DE69624694T2 (de)	1995-04-07	1996-03-19	Optische Suchmethode und -gerät mit Zählung der Spuren aus dem Spurfolgesignal, mit einer konstanten Amplitude im Laufe der Datensegmenten
DE69624611T Expired - Lifetime DE69624611T2 (de)	1995-04-07	1996-03-19	Optisches Spursuchungsverfahren und -gerät
DE69616301T Expired - Lifetime DE69616301T2 (de)	1995-04-07	1996-03-19	Optische Suchmethode und -gerät

Family Applications Before (2)

Application Number	Title	Priority Date	Filing Date
DE69624694T Expired - Lifetime DE69624694T2 (de)	1995-04-07	1996-03-19	Optische Suchmethode und -gerät mit Zählung der Spuren aus dem Spurfolgesignal, mit einer konstanten Amplitude im Laufe der Datensegmenten
DE69624611T Expired - Lifetime DE69624611T2 (de)	1995-04-07	1996-03-19	Optisches Spursuchungsverfahren und -gerät

Country Status (22)

Country	Link
US (4)	US5719836A (de)
EP (3)	EP0736864B1 (de)
JP (2)	JPH08287479A (de)
KR (4)	KR100278942B1 (de)
CN (3)	CN1099101C (de)
AT (3)	ATE227462T1 (de)
AU (1)	AU721640B2 (de)
BR (1)	BR9600863A (de)
CA (1)	CA2170345C (de)
DE (3)	DE69624694T2 (de)
DK (1)	DK0818777T3 (de)
ES (2)	ES2166035T3 (de)
HK (1)	HK1017763A1 (de)
ID (1)	ID21816A (de)
IL (1)	IL117741A (de)
MX (1)	MXPA96000993A (de)
MY (3)	MY135235A (de)
NO (1)	NO960994L (de)
PT (1)	PT818777E (de)
RU (1)	RU2201624C2 (de)
SG (4)	SG79978A1 (de)
TW (1)	TW318241B (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5719836A (en) *	1995-04-07	1998-02-17	Discovision Associates	Optical seeking method and apparatus generating track count signal from tracking error signal and data signal
KR0135787B1 (ko)	1995-05-13	1998-05-15	김광호	씨디-롬 드라이브에서의 디스크 캘리브레인션 방법
US5914922A (en) *	1997-12-12	1999-06-22	Cirrus Logic, Inc.	Generating a quadrature seek signal from a discrete-time tracking error signal and a discrete-time RF data signal in an optical storage device
TWI230931B (en) *	2003-12-17	2005-04-11	Mediatek Inc	Method and apparatus for tracking optical disk device

Family Cites Families (28)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4375091A (en) *	1978-06-30	1983-02-22	Discovision Associates	Method and apparatus for information retrieval from an optically readable storage medium
USRE32574E (en) *	1978-06-30	1988-01-05	Discovision Associates	Method and apparatus for information retrieval from an optically readable storage medium
US4232201A (en) *	1978-11-24	1980-11-04	Mca Discovision, Inc.	Dithered center tracking system
BR7900180A (pt) *	1979-01-11	1980-09-02	Mca Disco Vision	Aparelho e processo para leitura de informacoes registradas em uma pista de informacoes sobre uma superficie de um disco
US4484319A (en) *	1980-09-19	1984-11-20	Matsushita Electric Industrial Co., Ltd.	Apparatus for locating a track on disc-like optical information carriers
US4406000A (en) *	1981-03-31	1983-09-20	Discovision Associates	Tracking system for optical record medium
US4414655A (en) *	1981-03-31	1983-11-08	Discovision Associates	Scanning beam control system
US4701898A (en) *	1981-12-21	1987-10-20	Discovision Associates	Method and apparatus for locating a selected track on a record disc
US4774699A (en) *	1981-12-21	1988-09-27	Discovision Associates	Method and apparatus for positioning a read head to a selected track on a record disc
US4706133A (en) *	1982-04-15	1987-11-10	Discovision Associates	Method and apparatus for recovering information from a videodisc
US4751692A (en) *	1982-04-15	1988-06-14	Discovision Associates	Method and apparatus for recovering information from a videodisc
US4845697A (en) *	1982-04-15	1989-07-04	Discovision Associates	Method of time limited searching for a track address on an optically read information disc
US4536863A (en) *	1982-04-15	1985-08-20	Discovision Associates	Method and apparatus for recovering information from a videodisc
US4727532A (en) *	1982-04-15	1988-02-23	Discovision Associates	Method and apparatus for recovering information from a videodisc
US4627038A (en) *	1984-07-05	1986-12-02	Storage Technology Partners Ii	Optical disk storage unit having a servo system with different velocity inputs
JPH01169741A (ja) *	1987-12-24	1989-07-05	Nec Corp	トラック極性検出装置
JPH0654543B2 (ja) *	1988-07-22	1994-07-20	シャープ株式会社	光ピックアップのトラックジャンプ装置
US5146440A (en) *	1988-08-29	1992-09-08	Matsushita Electric Industrial Co., Ltd.	Track search apparatus
JPH069087B2 (ja) *	1988-10-06	1994-02-02	キヤノン株式会社	光学的情報記録再生装置
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
JPH0373422A (ja) *	1989-05-18	1991-03-28	Nec Corp	光ディスク装置の和信号処理回路
US5210731A (en) *	1989-06-01	1993-05-11	Kabushiki Kaisha Toshiba	Information processing apparatus with missing pulse detection and correction
JP2797579B2 (ja) *	1989-12-28	1998-09-17	ソニー株式会社	目標トラック位置検索装置
JPH0778884B2 (ja) *	1990-09-27	1995-08-23	インターナシヨナル・ビジネス・マシーンズ・コーポレーシヨン	光学ディスク駆動装置及び光学ディスクのトラック数のカウント方法
JP2598166B2 (ja) *	1990-12-19	1997-04-09	シャープ株式会社	光ディスク媒体駆動装置
JP2710704B2 (ja) *	1991-07-08	1998-02-10	シャープ株式会社	光記録媒体駆動装置
US5351222A (en) *	1991-10-08	1994-09-27	Fujitsu Limited	Disk storage apparatus including a single power supply hysteresis comparator having a symmetrical characteristic
US5719836A (en) *	1995-04-07	1998-02-17	Discovision Associates	Optical seeking method and apparatus generating track count signal from tracking error signal and data signal

1995
- 1995-04-07 US US08/418,723 patent/US5719836A/en not_active Expired - Lifetime
- 1995-06-07 US US08/473,867 patent/US5659526A/en not_active Expired - Lifetime
- 1995-06-07 US US08/474,608 patent/US5581526A/en not_active Expired - Lifetime
1996
- 1996-02-16 TW TW085101938A patent/TW318241B/zh not_active IP Right Cessation
- 1996-02-26 CA CA002170345A patent/CA2170345C/en not_active Expired - Fee Related
- 1996-02-27 SG SG9801351A patent/SG79978A1/en unknown
- 1996-02-27 SG SG1996006107A patent/SG42350A1/en unknown
- 1996-02-27 SG SG1998001349A patent/SG74633A1/en unknown
- 1996-02-27 SG SG1998001352A patent/SG74634A1/en unknown
- 1996-02-29 BR BR9600863A patent/BR9600863A/pt not_active IP Right Cessation
- 1996-02-29 AU AU45787/96A patent/AU721640B2/en not_active Ceased
- 1996-03-11 NO NO960994A patent/NO960994L/no not_active Application Discontinuation
- 1996-03-15 JP JP8097273A patent/JPH08287479A/ja active Pending
- 1996-03-15 MX MXPA96000993A patent/MXPA96000993A/es not_active IP Right Cessation
- 1996-03-18 MY MYPI98002768A patent/MY135235A/en unknown
- 1996-03-18 MY MYPI96000983A patent/MY121897A/en unknown
- 1996-03-18 MY MYPI98002766A patent/MY122163A/en unknown
- 1996-03-19 DK DK97116982T patent/DK0818777T3/da active
- 1996-03-19 AT AT97116974T patent/ATE227462T1/de not_active IP Right Cessation
- 1996-03-19 DE DE69624694T patent/DE69624694T2/de not_active Expired - Lifetime
- 1996-03-19 EP EP96301865A patent/EP0736864B1/de not_active Expired - Lifetime
- 1996-03-19 ES ES97116982T patent/ES2166035T3/es not_active Expired - Lifetime
- 1996-03-19 EP EP97116982A patent/EP0818777B1/de not_active Expired - Lifetime
- 1996-03-19 DE DE69624611T patent/DE69624611T2/de not_active Expired - Lifetime
- 1996-03-19 EP EP97116974A patent/EP0821351B1/de not_active Expired - Lifetime
- 1996-03-19 AT AT96301865T patent/ATE227461T1/de not_active IP Right Cessation
- 1996-03-19 DE DE69616301T patent/DE69616301T2/de not_active Expired - Lifetime
- 1996-03-19 PT PT97116982T patent/PT818777E/pt unknown
- 1996-03-19 ES ES96301865T patent/ES2184835T3/es not_active Expired - Lifetime
- 1996-03-19 AT AT97116982T patent/ATE207649T1/de not_active IP Right Cessation
- 1996-03-26 KR KR1019960008269A patent/KR100278942B1/ko not_active IP Right Cessation
- 1996-03-29 ID IDP990145D patent/ID21816A/id unknown
- 1996-03-29 RU RU96106416/28A patent/RU2201624C2/ru not_active IP Right Cessation
- 1996-03-29 CN CN96104152A patent/CN1099101C/zh not_active Expired - Fee Related
- 1996-03-31 IL IL11774196A patent/IL117741A/en not_active IP Right Cessation
1998
- 1998-02-13 US US09/023,357 patent/US6317393B1/en not_active Expired - Lifetime
- 1998-06-05 KR KR1019980020934A patent/KR100278940B1/ko not_active IP Right Cessation
- 1998-06-05 KR KR1019980020936A patent/KR100278938B1/ko not_active IP Right Cessation
- 1998-06-05 KR KR1019980020935A patent/KR100278939B1/ko not_active IP Right Cessation
- 1998-06-22 CN CN98115025A patent/CN1214502A/zh active Pending
- 1998-06-22 CN CN98115020A patent/CN1114200C/zh not_active Expired - Fee Related
1999
- 1999-07-06 HK HK99102872A patent/HK1017763A1/xx not_active IP Right Cessation
2002
- 2002-08-09 JP JP2002232304A patent/JP2003115118A/ja active Pending

Also Published As

Publication number	Publication date
CA2170345A1 (en)	1996-10-08
BR9600863A (pt)	1997-12-30
CN1138190A (zh)	1996-12-18
DE69616301T2 (de)	2002-04-18
TW318241B (de)	1997-10-21
EP0821351B1 (de)	2002-11-06
CN1114200C (zh)	2003-07-09
SG42350A1 (en)	1997-08-15
DE69624694D1 (de)	2002-12-12
KR100278940B1 (ko)	2001-01-15
AU721640B2 (en)	2000-07-13
NO960994L (no)	1996-10-08
EP0818777B1 (de)	2001-10-24
SG74633A1 (en)	2000-08-22
MXPA96000993A (es)	2003-07-11
IL117741A0 (en)	1996-07-23
KR100278938B1 (ko)	2001-01-15
MY122163A (en)	2006-03-31
US6317393B1 (en)	2001-11-13
RU2201624C2 (ru)	2003-03-27
KR100278942B1 (ko)	2001-01-15
EP0736864B1 (de)	2002-11-06
US5719836A (en)	1998-02-17
US5581526A (en)	1996-12-03
CN1214502A (zh)	1999-04-21
ATE207649T1 (de)	2001-11-15
CA2170345C (en)	2007-05-01
PT818777E (pt)	2002-02-28
JPH08287479A (ja)	1996-11-01
SG74634A1 (en)	2000-08-22
CN1099101C (zh)	2003-01-15
EP0821351A1 (de)	1998-01-28
SG79978A1 (en)	2001-04-17
AU4578796A (en)	1996-10-17
CN1214501A (zh)	1999-04-21
ATE227461T1 (de)	2002-11-15
ES2184835T3 (es)	2003-04-16
KR100278939B1 (ko)	2001-01-15
ATE227462T1 (de)	2002-11-15
IL117741A (en)	2002-07-25
NO960994D0 (no)	1996-03-11
DK0818777T3 (da)	2001-11-19
DE69624611D1 (de)	2002-12-12
EP0818777A1 (de)	1998-01-14
DE69624611T2 (de)	2003-03-20
JP2003115118A (ja)	2003-04-18
US5659526A (en)	1997-08-19
MY135235A (en)	2008-03-31
MY121897A (en)	2006-03-31
DE69624694T2 (de)	2003-03-20
KR960038779A (ko)	1996-11-21
EP0736864A1 (de)	1996-10-09
ID21816A (id)	1996-10-24
ES2166035T3 (es)	2002-04-01
HK1017763A1 (en)	1999-11-26

Legal Events

Date	Code	Title	Description
2002-11-21	8364	No opposition during term of opposition

Publication	Publication Date	Title
CA2006806A1 (en)	1990-07-10	Track counter for optical disk
DE68920250T2 (de)	1995-05-11	Spursignal in einem optischen Informationsaufzeichnungs- und/oder -wiedergabegerät.
JPS6442079A (en)	1989-02-14	Track access method for information recording and reproducing device
ATE207649T1 (de)	2001-11-15	Optische suchmethode und -gerät
EP1286343A3 (de)	2004-01-28	Informationsaufzeichnungs-/ -Wiedergabegerät
ATE122173T1 (de)	1995-05-15	Optisches aufzeichnungs- und wiedergabesystem mit doppelter lichtquelle.
JPS6278729A (ja)	1987-04-11	光学式情報記憶担体
CA2137220A1 (en)	1995-06-11	Track Seek Method and Device for Use with an Optical Information Recording and Reproducing Apparatus
RU96106416A (ru)	1998-06-27	Способ перемещения оптической головки при поиске дорожки на носителе информации и устройство для осуществления способа (варианты)
JPS5755568A (en)	1982-04-02	Recording and reproducing device
JPS6427084A (en)	1989-01-30	Track access method for information recording and reproducing device
WO1984003583A1 (en)	1984-09-13	System for sensing the rotational position of a rotating disk having coarse seek tracks
JPS6476424A (en)	1989-03-22	Overwrite detecting system for optical disk device
CA2014163A1 (en)	1990-10-17	Optical recording and reproducing apparatus
DE60043898D1 (de)	2010-04-08	Drehgeber
JPS6449145A (en)	1989-02-23	Optical recording medium and reading method thereof
JPH03130933A (ja)	1991-06-04	光ディスク装置
JPS6478475A (en)	1989-03-23	Optical disk accessing method
JPS6353723A (ja)	1988-03-08	光記録媒体の取扱装置