JPH0490018U - - Google Patents
Info
- Publication number
- JPH0490018U JPH0490018U JP1990406426U JP40642690U JPH0490018U JP H0490018 U JPH0490018 U JP H0490018U JP 1990406426 U JP1990406426 U JP 1990406426U JP 40642690 U JP40642690 U JP 40642690U JP H0490018 U JPH0490018 U JP H0490018U
- Authority
- JP
- Japan
- 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.)
- Granted
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
- G11B7/085—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
- G11B7/08547—Arrangements for positioning the light beam only without moving the head, e.g. using static electro-optical elements
- G11B7/08564—Arrangements for positioning the light beam only without moving the head, e.g. using static electro-optical elements using galvanomirrors
Landscapes
- Optical Recording Or Reproduction (AREA)
- Mechanical Optical Scanning Systems (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1990406426U JPH0728585Y2 (ja) | 1990-12-17 | 1990-12-17 | ガルバノミラー装置 |
US07/808,689 US5249173A (en) | 1990-12-17 | 1991-12-17 | Galvanomirror unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1990406426U JPH0728585Y2 (ja) | 1990-12-17 | 1990-12-17 | ガルバノミラー装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0490018U true JPH0490018U (US20030199744A1-20031023-C00003.png) | 1992-08-06 |
JPH0728585Y2 JPH0728585Y2 (ja) | 1995-06-28 |
Family
ID=18516046
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1990406426U Expired - Fee Related JPH0728585Y2 (ja) | 1990-12-17 | 1990-12-17 | ガルバノミラー装置 |
Country Status (2)
Country | Link |
---|---|
US (1) | US5249173A (US20030199744A1-20031023-C00003.png) |
JP (1) | JPH0728585Y2 (US20030199744A1-20031023-C00003.png) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2024150620A1 (ja) * | 2023-01-11 | 2024-07-18 | ミツミ電機株式会社 | 揺動アクチュエータ |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR960019139A (ko) * | 1994-11-10 | 1996-06-17 | 사또오 후미오 | 갈바노미러 및 그것을 이용한 광디스크 장치 |
JP3187286B2 (ja) * | 1995-07-10 | 2001-07-11 | 旭光学工業株式会社 | 光学ピックアップの光軸調整方法 |
US5926307A (en) * | 1996-12-19 | 1999-07-20 | Asahi Kogaku Kogyo Kabushiki Kaisha | Optical deflection device |
JP3315893B2 (ja) | 1997-05-27 | 2002-08-19 | 旭光学工業株式会社 | 光学偏向装置の電磁駆動装置 |
JP3193668B2 (ja) * | 1997-06-17 | 2001-07-30 | 旭光学工業株式会社 | 透過型光学偏向装置 |
JPH11212020A (ja) * | 1998-01-27 | 1999-08-06 | Olympus Optical Co Ltd | ガルバノミラーの取付装置 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6312335U (US20030199744A1-20031023-C00003.png) * | 1986-07-07 | 1988-01-27 | ||
JPS63311225A (ja) * | 1987-06-12 | 1988-12-20 | Matsushita Electric Ind Co Ltd | ガルバノミラ−装置 |
JPS6410427A (en) * | 1987-07-02 | 1989-01-13 | Nikon Corp | Actuator for tracking |
JPH03214435A (ja) * | 1990-01-19 | 1991-09-19 | Sony Corp | 光偏向装置 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2108815A (en) * | 1934-07-16 | 1938-02-22 | Robert W Spofford | Sound recording system |
US2189311A (en) * | 1937-04-24 | 1940-02-06 | Rca Corp | Electrical impulse responsive means |
US2423285A (en) * | 1944-11-28 | 1947-07-01 | Rca Corp | Frequency modulation feed-back circuit for sound recording galvanometers |
US3885094A (en) * | 1971-11-26 | 1975-05-20 | Battelle Development Corp | Optical scanner |
DE2924924C2 (de) * | 1978-06-21 | 1985-02-21 | Universal Pioneer Corp., Tokio/Tokyo | Optisch-mechanischer Abtaster |
FR2497378B1 (fr) * | 1980-12-29 | 1985-06-28 | Thomson Csf | Dispositif compensateur de desequilibre d'un miroir de renvoi appartenant a un systeme optique d'eclairement d'un support d'information |
FR2523351B1 (fr) * | 1982-03-09 | 1989-07-13 | Thomson Csf | Tete optique dans un dispositif d'enregistrement-lecture d'un support d'information |
US4564757A (en) * | 1982-09-30 | 1986-01-14 | Burroughs Corporation | Mirror position sensor for improved track selection in optical data disk system |
US4435874A (en) * | 1983-08-01 | 1984-03-13 | Jacobson Jeff A | Blind cleaning device |
JPS61137234A (ja) * | 1984-12-07 | 1986-06-24 | Hitachi Ltd | 光情報装置のトラツキングアクチユエ−タ |
JPS62143236A (ja) * | 1985-12-18 | 1987-06-26 | Hitachi Ltd | アクチユエ−タ |
JPS63160024A (ja) * | 1986-12-24 | 1988-07-02 | Hitachi Ltd | 光デイスク用ビ−ム偏向装置 |
-
1990
- 1990-12-17 JP JP1990406426U patent/JPH0728585Y2/ja not_active Expired - Fee Related
-
1991
- 1991-12-17 US US07/808,689 patent/US5249173A/en not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6312335U (US20030199744A1-20031023-C00003.png) * | 1986-07-07 | 1988-01-27 | ||
JPS63311225A (ja) * | 1987-06-12 | 1988-12-20 | Matsushita Electric Ind Co Ltd | ガルバノミラ−装置 |
JPS6410427A (en) * | 1987-07-02 | 1989-01-13 | Nikon Corp | Actuator for tracking |
JPH03214435A (ja) * | 1990-01-19 | 1991-09-19 | Sony Corp | 光偏向装置 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2024150620A1 (ja) * | 2023-01-11 | 2024-07-18 | ミツミ電機株式会社 | 揺動アクチュエータ |
Also Published As
Publication number | Publication date |
---|---|
US5249173A (en) | 1993-09-28 |
JPH0728585Y2 (ja) | 1995-06-28 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
LAPS | Cancellation because of no payment of annual fees |