DE68921733D1 - Antriebsanordnung für eine optische Abtasteinheit. - Google Patents

Antriebsanordnung für eine optische Abtasteinheit.

Info

Publication number: DE68921733D1
Authority: DE; Germany
Prior art keywords: optical scanning; scanning unit; drive arrangement; arrangement; drive
Prior art date: 1989-01-25
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

DE68921733T

Other languages

English (en)

Other versions

DE68921733T2 (de

Inventor

Kenju Yomoda

Osamu Aizawa

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.)

Samsung Electronics Co Ltd

Original Assignee

Samsung Electronics 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.)

1989-01-25

Filing date

1989-01-25

Publication date

1995-04-20

1989-01-25 Application filed by Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd

1995-04-20 Publication of DE68921733D1 publication Critical patent/DE68921733D1/de

1995-10-26 Application granted granted Critical

1995-10-26 Publication of DE68921733T2 publication Critical patent/DE68921733T2/de

2009-01-26 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
- 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

DE68921733T 1989-01-25 1989-01-25 Antriebsanordnung für eine optische Abtasteinheit. Expired - Lifetime DE68921733T2 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
EP89300676A EP0379757B1 (de)	1989-01-25	1989-01-25	Antriebsanordnung für eine optische Abtasteinheit

Publications (2)

Publication Number	Publication Date
DE68921733D1 true DE68921733D1 (de)	1995-04-20
DE68921733T2 DE68921733T2 (de)	1995-10-26

Family

ID=8202569

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE68921733T Expired - Lifetime DE68921733T2 (de)	1989-01-25	1989-01-25	Antriebsanordnung für eine optische Abtasteinheit.

Country Status (3)

Country	Link
US (1)	US4906831A (de)
EP (1)	EP0379757B1 (de)
DE (1)	DE68921733T2 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3924190A1 (de) *	1989-07-21	1991-01-31	Thomson Brandt Gmbh	Abtastvorrichtung
US5617402A (en) *	1990-12-21	1997-04-01	Art Tech Gigadisc "Atg"	Access and tracking device for an optical disc
FR2670940A1 (fr) *	1990-12-21	1992-06-26	Atg Sa	Perfectionnement au dispositif d'acces et d'asservissement pour disque optique.
KR930009683B1 (ko) *	1991-05-16	1993-10-08	삼성전자 주식회사	광학계 구동장치
DE4134803A1 (de) *	1991-10-22	1993-04-29	Thomson Brandt Gmbh	Optische abtastvorrichtung mit einem linsenhalter
DE4135908A1 (de) *	1991-10-31	1993-05-06	Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen, De	Aktuatoranordnung
KR960006093B1 (ko) *	1993-10-15	1996-05-08	현대전자산업주식회사	광디스크 메카니즘의 대물렌즈 구동장치
KR100207626B1 (ko) *	1994-04-30	1999-07-15	윤종용	렌즈구동장치

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4555780A (en) *	1981-11-19	1985-11-26	Ricoh Co. Ltd.	Optical recording and playback unit
JPS60140228U (ja) *	1984-02-27	1985-09-17	パイオニア株式会社	光学式情報読取装置
US4813033A (en) *	1985-10-30	1989-03-14	International Business Machines Corporation	Two axis electromagnetic actuator with axis balanced suspension

1989
- 1989-01-25 US US07/301,104 patent/US4906831A/en not_active Expired - Lifetime
- 1989-01-25 EP EP89300676A patent/EP0379757B1/de not_active Expired - Lifetime
- 1989-01-25 DE DE68921733T patent/DE68921733T2/de not_active Expired - Lifetime

Also Published As

Publication number	Publication date
EP0379757A1 (de)	1989-08-01
EP0379757B1 (de)	1995-03-15
DE68921733T2 (de)	1995-10-26
US4906831A (en)	1990-03-06

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Legal Events

Date	Code	Title	Description
1996-04-11	8364	No opposition during term of opposition