JPS61140428U - - Google Patents
Info
- Publication number
- JPS61140428U JPS61140428U JP1986004493U JP449386U JPS61140428U JP S61140428 U JPS61140428 U JP S61140428U JP 1986004493 U JP1986004493 U JP 1986004493U JP 449386 U JP449386 U JP 449386U JP S61140428 U JPS61140428 U JP S61140428U
- Authority
- JP
- Japan
- Prior art keywords
- light beam
- adjustment means
- optical disk
- disk drive
- drive device
- Prior art date
- 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.)
- Pending
Links
- 230000003287 optical effect Effects 0.000 claims description 10
- 238000010586 diagram Methods 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
-
- 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
Landscapes
- Optical Recording Or Reproduction (AREA)
- Optical Head (AREA)
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/692,278 US4688201A (en) | 1985-01-16 | 1985-01-16 | Focusing and tracking apparatus for an optical data storage device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS61140428U true JPS61140428U (US20020051482A1-20020502-M00012.png) | 1986-08-30 |
Family
ID=24779935
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1986004493U Pending JPS61140428U (US20020051482A1-20020502-M00012.png) | 1985-01-16 | 1986-01-16 |
Country Status (4)
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2018520379A (ja) * | 2015-06-14 | 2018-07-26 | バイバス,チャールズ | ビームディレクタ |
Families Citing this family (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0214529B1 (de) * | 1985-08-27 | 1991-01-02 | Siemens Aktiengesellschaft | Positioniereinrichtung für einen optischen Datenspeicher |
US4768180A (en) * | 1986-03-17 | 1988-08-30 | Laser Magnetic Storage International Company | Multistage tracking system |
US5095473A (en) * | 1987-01-30 | 1992-03-10 | Ricoh Company, Ltd. | Split type optical pick-up device |
US4959824A (en) * | 1987-07-31 | 1990-09-25 | Minolta Camera Kabushiki Kaisha | Optical information record/pickup head assembly |
JPS6448248A (en) * | 1987-08-17 | 1989-02-22 | Ricoh Kk | Optical pick-up device |
US5105408A (en) * | 1988-05-12 | 1992-04-14 | Digital Equipment Corporation | Optical head with flying lens |
JP2501875B2 (ja) * | 1988-07-13 | 1996-05-29 | 株式会社リコー | 光ピックアップ装置 |
JP2733072B2 (ja) * | 1988-11-01 | 1998-03-30 | 株式会社リコー | 分離型光ピックアップ |
US5140572A (en) * | 1989-02-22 | 1992-08-18 | Ricoh Company, Ltd. | Optical pickup device having fixed and movable optical systems |
JPH0323523A (ja) * | 1989-06-21 | 1991-01-31 | Sony Corp | 光学ヘッド装置 |
US5153870A (en) * | 1989-06-29 | 1992-10-06 | Digital Equipment Corporation | Rotary head actuator for optical disk |
US5040861A (en) * | 1989-08-02 | 1991-08-20 | Optical Recording Corporation | Optical scanner |
US5029955A (en) * | 1989-08-02 | 1991-07-09 | Optical Recording Corporation | Optical scanner |
US5194721A (en) * | 1989-11-24 | 1993-03-16 | Optical Recording Corporation | Optical scanner |
US5184002A (en) * | 1989-11-24 | 1993-02-02 | Optical Recording Corporation | Optical scanner |
JPH03185639A (ja) * | 1989-12-14 | 1991-08-13 | Konica Corp | 光ピックアップ |
US5184322A (en) * | 1990-01-29 | 1993-02-02 | Nathan Okun | Optical storage device with a stationary mass storage medium |
US5172356A (en) * | 1990-06-07 | 1992-12-15 | Ricoh Company, Ltd. | Separation type optical pickup device |
US5210732A (en) * | 1990-11-27 | 1993-05-11 | Matsushita Electric Industrial Co., Ltd. | Optical disk apparatus |
JPH0594628A (ja) * | 1991-04-30 | 1993-04-16 | Fuji Xerox Co Ltd | 光学的記録再生装置 |
JP2695302B2 (ja) * | 1991-05-16 | 1997-12-24 | シャープ株式会社 | 光ピックアップ駆動装置 |
CA2073802C (en) * | 1991-08-16 | 2003-04-01 | John Shimmick | Method and apparatus for combined cylindrical and spherical eye corrections |
JP2617057B2 (ja) * | 1992-02-27 | 1997-06-04 | 富士通株式会社 | 光ディスク装置 |
US5422872A (en) * | 1993-03-08 | 1995-06-06 | Maxoptix Corporation | Telecentric rotary actuator in an optical recording system |
US5432763A (en) * | 1993-03-15 | 1995-07-11 | Hewlett-Packard Company | Subminiature rotary actuator optical head |
JPH08124208A (ja) * | 1994-10-18 | 1996-05-17 | Pioneer Electron Corp | ディスクプレーヤ |
GB2327291B (en) | 1997-06-26 | 2001-12-12 | Asahi Optical Co Ltd | Optical system for optical disk drive |
US6650604B1 (en) | 1997-12-27 | 2003-11-18 | Pentax Corporation | Optical head of disk drive |
KR20050090423A (ko) * | 2002-12-30 | 2005-09-13 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 광학주사장치 |
US7645300B2 (en) | 2004-02-02 | 2010-01-12 | Visiogen, Inc. | Injector for intraocular lens system |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5130422A (US20020051482A1-20020502-M00012.png) * | 1974-09-09 | 1976-03-15 | Victor Company Of Japan | |
JPS53147507A (en) * | 1977-05-27 | 1978-12-22 | Nippon Telegr & Teleph Corp <Ntt> | Focus position controller |
JPS58108038A (ja) * | 1981-12-19 | 1983-06-28 | Fujitsu Ltd | 光学式情報再生装置 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USRE21105E (en) * | 1926-05-21 | 1939-05-30 | Picture telegraphy | |
US3349174A (en) * | 1964-02-03 | 1967-10-24 | Raytheon Co | Beam scanning device |
DE2337015C2 (de) * | 1973-07-20 | 1983-07-14 | Robert Bosch Gmbh, 7000 Stuttgart | Vorrichtung zur optischen Abtastung einer um eine vertikale Rotationsachse sich drehenden Platte |
JPS598892B2 (ja) * | 1975-06-19 | 1984-02-28 | ソニー株式会社 | 信号の光学的記録再生装置 |
FR2335861A1 (fr) * | 1975-12-16 | 1977-07-15 | Thomson Brandt | Dispositif de focalisation et lecteur optique comportant un tel dispositif |
JPS5611673A (en) * | 1979-07-03 | 1981-02-05 | Pioneer Video Corp | Address information retrieval method in information recording medium reproducing unit |
US4322838A (en) * | 1980-02-11 | 1982-03-30 | Hewlett-Packard Company | Dynamic focus adjustment for transmissive or reflective optical disc memory systems |
-
1985
- 1985-01-16 US US06/692,278 patent/US4688201A/en not_active Expired - Lifetime
-
1986
- 1986-01-15 EP EP86100422A patent/EP0188276B1/en not_active Expired
- 1986-01-15 DE DE8686100422T patent/DE3661662D1/de not_active Expired
- 1986-01-16 JP JP1986004493U patent/JPS61140428U/ja active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5130422A (US20020051482A1-20020502-M00012.png) * | 1974-09-09 | 1976-03-15 | Victor Company Of Japan | |
JPS53147507A (en) * | 1977-05-27 | 1978-12-22 | Nippon Telegr & Teleph Corp <Ntt> | Focus position controller |
JPS58108038A (ja) * | 1981-12-19 | 1983-06-28 | Fujitsu Ltd | 光学式情報再生装置 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2018520379A (ja) * | 2015-06-14 | 2018-07-26 | バイバス,チャールズ | ビームディレクタ |
Also Published As
Publication number | Publication date |
---|---|
DE3661662D1 (en) | 1989-02-09 |
US4688201A (en) | 1987-08-18 |
EP0188276A1 (en) | 1986-07-23 |
EP0188276B1 (en) | 1989-01-04 |