DE68916861D1 - Objektivlinsenantriebsgerät. - Google Patents

Objektivlinsenantriebsgerät.

Info

Publication number: DE68916861D1
Authority: DE; Germany
Prior art keywords: drive device; objective lens; lens drive; objective; lens
Prior art date: 1988-05-25
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

DE68916861T

Other languages

English (en)

Other versions

DE68916861T2 (de

Inventor

Mitsuo Ishii

Yukio Kurata

Hideyoshi Yamaoka

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.)

1988-05-25

Filing date

1989-05-25

Publication date

1994-08-25

1989-05-25 Application filed by Sharp Corp filed Critical Sharp Corp

1994-08-25 Publication of DE68916861D1 publication Critical patent/DE68916861D1/de

1994-12-22 Application granted granted Critical

1994-12-22 Publication of DE68916861T2 publication Critical patent/DE68916861T2/de

2009-05-26 Anticipated expiration legal-status Critical

Status Expired - Lifetime 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
- G11B7/0925—Electromechanical actuators for lens positioning
- G11B7/0932—Details of sprung supports

DE68916861T 1988-05-25 1989-05-25 Objektivlinsenantriebsgerät. Expired - Lifetime DE68916861T2 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP1988069064U JP2536436Y2 (ja)	1988-05-25	1988-05-25	対物レンズ駆動装置

Publications (2)

Publication Number	Publication Date
DE68916861D1 true DE68916861D1 (de)	1994-08-25
DE68916861T2 DE68916861T2 (de)	1994-12-22

Family

ID=13391768

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE68916861T Expired - Lifetime DE68916861T2 (de)	1988-05-25	1989-05-25	Objektivlinsenantriebsgerät.

Country Status (6)

Country	Link
US (1)	US4988165A (de)
EP (1)	EP0343979B1 (de)
JP (1)	JP2536436Y2 (de)
KR (1)	KR920005264B1 (de)
CA (1)	CA1323696C (de)
DE (1)	DE68916861T2 (de)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
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
US5265079A (en)	1991-02-15	1993-11-23	Applied Magnetics Corporation	Seek actuator for optical recording
US5134527A (en) *	1990-04-25	1992-07-28	Industrial Technology Research Institute	Suspension mechanism for an objective lens of an optical head
NL9001492A (nl) *	1990-06-29	1992-01-16	Philips Nv	Electro-optische aftastinrichting, alsmede optische speler voorzien van de aftastinrichting.
US5140470A (en) *	1991-01-07	1992-08-18	New Focus, Inc.	Optical mounting apparatus
US5808980A (en) *	1991-02-15	1998-09-15	Discovision Associates	Seek actuator for optical recording
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
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
US6069857A (en)	1991-02-15	2000-05-30	Discovision Associates	Optical disc system having improved circuitry for performing blank sector check on readable disc
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
JPH04313824A (ja) *	1991-04-12	1992-11-05	Pioneer Electron Corp	光学式情報読取装置におけるレンズ駆動装置
JPH05205283A (ja) *	1992-01-27	1993-08-13	Sharp Corp	光ピックアップの対物レンズ駆動装置
US5920539A (en)	1995-01-25	1999-07-06	Discovision Associates	Apparatus and method for suppression of electromagnetic emissions having a groove on an external surface for passing an electrical conductor
US5748578A (en)	1995-01-25	1998-05-05	Discovision Associates	Colpitts type oscillator having reduced ringing and improved optical disc system utilizing same
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
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
JPH0954969A (ja) *	1995-08-11	1997-02-25	Minebea Co Ltd	対物レンズ支持装置
US5757561A (en) *	1996-11-26	1998-05-26	Newport Corporation	Precision optical mounts
US6198580B1 (en)	1998-08-17	2001-03-06	Newport Corporation	Gimballed optical mount
US6516130B1 (en)	1998-12-30	2003-02-04	Newport Corporation	Clip that aligns a fiber optic cable with a laser diode within a fiber optic module
FR2790115B1 (fr)	1999-02-23	2001-05-04	Micro Controle	Procede et dispositif pour deplacer un mobile sur une base montee elastiquement par rapport au sol
US6996506B2 (en) *	1999-02-23	2006-02-07	Newport Corporation	Process and device for displacing a moveable unit on a base
US6511035B1 (en)	1999-08-03	2003-01-28	Newport Corporation	Active vibration isolation systems with nonlinear compensation to account for actuator saturation
US6655840B2 (en)	2001-02-13	2003-12-02	Newport Corporation	Stiff cross roller bearing configuration
US6601524B2 (en)	2001-03-28	2003-08-05	Newport Corporation	Translation table with a spring biased dovetail bearing
US6791058B2 (en)	2001-04-25	2004-09-14	Newport Corporation	Automatic laser weld machine for assembling photonic components
US6568666B2 (en)	2001-06-13	2003-05-27	Newport Corporation	Method for providing high vertical damping to pneumatic isolators during large amplitude disturbances of isolated payload
US6619611B2 (en)	2001-07-02	2003-09-16	Newport Corporation	Pneumatic vibration isolator utilizing an elastomeric element for isolation and attenuation of horizontal vibration
US6966535B2 (en) *	2002-05-07	2005-11-22	Newport Corporation	Snubber for pneumatically isolated platforms
US8231098B2 (en) *	2004-12-07	2012-07-31	Newport Corporation	Methods and devices for active vibration damping of an optical structure
US7570547B2 (en) *	2005-08-22	2009-08-04	Konica Minolta Opto, Inc.	Objective lens unit and optical pickup device
WO2012117398A2 (en) *	2011-03-03	2012-09-07	Visionix Ltd.	Automatic lens mapping system

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2603688C3 (de) *	1976-01-31	1978-10-26	Ibm Deutschland Gmbh, 7000 Stuttgart	Anordnung zum Schwingungsausgleich
US4206983A (en) *	1978-08-25	1980-06-10	Continental Camera Systems, Inc.	Camera stabilizing body mount
JPS5850336A (ja) *	1981-09-17	1983-03-24	Matsushita Electric Ind Co Ltd	可動体保持装置
JPS59104735A (ja) *	1982-12-08	1984-06-16	Sony Corp	対物レンズ駆動装置
JPS59178631A (ja) *	1983-03-29	1984-10-09	Toshiba Corp	光ピツクアツプ
JPS60143330A (ja) *	1983-12-29	1985-07-29	Matsushita Electric Ind Co Ltd	撮影装置
US4818066A (en) *	1984-01-30	1989-04-04	Canon Kabushiki Kaisha	Objective lens driving device
JPS60187945A (ja) *	1984-03-06	1985-09-25	Seiko Instr & Electronics Ltd	対物レンズ駆動装置
JPS61139946A (ja) *	1984-12-11	1986-06-27	Olympus Optical Co Ltd	光ヘツド
US4707754A (en) *	1985-08-07	1987-11-17	Apple Computer, Inc.	Voice coil balanced actuator
JPH0668843B2 (ja) *	1985-08-16	1994-08-31	ソニー株式会社	光学ピツクアツプ装置
KR900006183B1 (ko) *	1986-03-04	1990-08-25	상요 덴기 가부시기가이샤	광학식 픽업 장치
JPH0750526B2 (ja) *	1986-03-15	1995-05-31	ソニー株式会社	デイスクプレ−ヤの光学ヘツド装置
JPS63149838A (ja) *	1986-12-12	1988-06-22	Hitachi Ltd	対物レンズ駆動装置
JP2529876Y2 (ja) *	1988-03-17	1997-03-19	シャープ株式会社	対物レンズ支持装置

1988
- 1988-05-25 JP JP1988069064U patent/JP2536436Y2/ja not_active Expired - Lifetime
1989
- 1989-05-24 US US07/356,136 patent/US4988165A/en not_active Expired - Lifetime
- 1989-05-24 CA CA000600576A patent/CA1323696C/en not_active Expired - Fee Related
- 1989-05-25 DE DE68916861T patent/DE68916861T2/de not_active Expired - Lifetime
- 1989-05-25 KR KR8906990A patent/KR920005264B1/ko not_active IP Right Cessation
- 1989-05-25 EP EP89305286A patent/EP0343979B1/de not_active Expired - Lifetime

Also Published As

Publication number	Publication date
EP0343979A3 (de)	1991-01-09
JPH01174716U (de)	1989-12-12
EP0343979A2 (de)	1989-11-29
KR900018928A (ko)	1990-12-22
US4988165A (en)	1991-01-29
EP0343979B1 (de)	1994-07-20
KR920005264B1 (en)	1992-06-29
CA1323696C (en)	1993-10-26
DE68916861T2 (de)	1994-12-22
JP2536436Y2 (ja)	1997-05-21

Publication	Publication Date	Title
DE68916861D1 (de)	1994-08-25	Objektivlinsenantriebsgerät.
DE69018508D1 (de)	1995-05-18	Antriebseinrichtung.
DE69022792D1 (de)	1995-11-09	Optisches Aufzeichnungsgerät.
DE68914300D1 (de)	1994-05-11	Objektivlinsenantriebsgerät.
DE69125974D1 (de)	1997-06-12	Antriebsvorrichtung
DE69019277D1 (de)	1995-06-14	Objectiv-Linseantriebsanordnungen.
DE69009841D1 (de)	1994-07-21	Linearantriebsgerät.
DE68911730D1 (de)	1994-02-10	Optisches Wiedergabegerät.
FI891846A (fi)	1989-11-07	Optisk avbrytare.
DE68917935D1 (de)	1994-10-06	Oszillierendes optisches aufzeichnungsgerät.
DE69117445D1 (de)	1996-04-04	Optisches Scheibeantriebsgerät
DE69018561D1 (de)	1995-05-18	Optisches Plattengerät.
KR870011489A (ko)	1987-12-23	대물렌즈 구동장치
DE68920782D1 (de)	1995-03-09	Automatisches Scharfeinstellgerät.
FI912295A0 (fi)	1991-05-10	Optisk hastighetsbestaemning.
DE68922472D1 (de)	1995-06-08	Optisches Gerät.
DE69225647D1 (de)	1998-07-02	Objektivantriebsgerät
NL193572B (nl)	1999-10-01	Lensaandrijfinrichting.
DE3889523D1 (de)	1994-06-16	Optisches Gerät.
DE69018904D1 (de)	1995-06-01	Optisches Scheibengerät.
DE69014837D1 (de)	1995-01-19	Optische Verbindungsvorrichtung.
DE68913490D1 (de)	1994-04-07	Optischer Film.
DE68914518D1 (de)	1994-05-19	Plattenantriebsgerät.
DE69023820D1 (de)	1996-01-11	Holographisches optisches Gerät.
DE68912149D1 (de)	1994-02-24	Optisches Informationsverarbeitungsgerät.

Legal Events

Date	Code	Title	Description
1995-08-17	8364	No opposition during term of opposition
1997-03-20	8328	Change in the person/name/address of the agent	Free format text: PATENTANWAELTE MUELLER & HOFFMANN, 81667 MUENCHEN