SE419911B - Optisk avsokningsanordning - Google Patents
Optisk avsokningsanordningInfo
- Publication number
- SE419911B SE419911B SE7803271A SE7803271A SE419911B SE 419911 B SE419911 B SE 419911B SE 7803271 A SE7803271 A SE 7803271A SE 7803271 A SE7803271 A SE 7803271A SE 419911 B SE419911 B SE 419911B
- Authority
- SE
- Sweden
- Prior art keywords
- lens
- tracking
- coil
- movements
- focusing
- Prior art date
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
- G11B7/093—Electromechanical actuators for lens positioning for focusing and tracking
-
- 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
-
- 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
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Recording Or Reproduction (AREA)
- Lens Barrels (AREA)
- Automatic Focus Adjustment (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7703232A NL7703232A (nl) | 1977-03-25 | 1977-03-25 | Optische aftastinrichting. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE7803271L SE7803271L (sv) | 1978-09-26 |
| SE419911B true SE419911B (sv) | 1981-08-31 |
Family
ID=19828234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE7803271A SE419911B (sv) | 1977-03-25 | 1978-03-22 | Optisk avsokningsanordning |
Country Status (18)
Families Citing this family (53)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4194811A (en) * | 1978-05-03 | 1980-03-25 | The United States Of America As Represented By The Secretary Of The Air Force | Remotely controlled electromagnetic optical focusing assembly |
| JPS5542369A (en) * | 1978-09-19 | 1980-03-25 | Mitsubishi Electric Corp | Pickup controller |
| FR2443734A1 (fr) * | 1978-12-08 | 1980-07-04 | Thomson Csf | Dispositif d'acces a une piste portee par un support enregistrable ou lisible optiquement et systeme optique comportant un tel dispositif |
| GB2060927B (en) * | 1979-07-24 | 1984-02-01 | Universal Pioneer Corp | Signal reading device for optical discs |
| CA1132258A (en) * | 1980-05-12 | 1982-09-21 | Herman W. Willemsen | Scanning head for an optical disc system |
| NL8004380A (nl) * | 1980-07-31 | 1982-03-01 | Philips Nv | Optische inrichting voor het met een stralingsbundel inschrijven en/of uitlezen van registratiesporen. |
| JPS5758249A (en) * | 1980-09-24 | 1982-04-07 | Olympus Optical Co Ltd | Optical system recording and/or reproducing device |
| GB2088646B (en) * | 1980-10-24 | 1984-09-12 | Sony Corp | Pick-up assemblies for disc players |
| US4385373A (en) * | 1980-11-10 | 1983-05-24 | Eastman Kodak Company | Device for focus and alignment control in optical recording and/or playback apparatus |
| JPS57103131A (en) * | 1980-12-18 | 1982-06-26 | Sony Corp | Biaxial driver |
| FR2497377B1 (fr) * | 1980-12-29 | 1985-06-28 | Thomson Csf | Dispositif d'exploration optique d'un support d'information |
| US4472024A (en) * | 1981-01-07 | 1984-09-18 | Olympus Optical Co. Ltd. | Apparatus for driving objective lens |
| JPS57120240A (en) * | 1981-01-16 | 1982-07-27 | Sony Corp | Optical disk player |
| US4482986A (en) * | 1981-01-30 | 1984-11-13 | Sony Corporation | Objective lens mount for optical disc player |
| NL8101669A (nl) * | 1981-04-03 | 1982-11-01 | Philips Nv | Inrichting voor het detekteren van de stand van een voorwerp. |
| JPS57176543A (en) * | 1981-04-20 | 1982-10-29 | Sony Corp | Optical type track scanner |
| JPS57178233A (en) * | 1981-04-27 | 1982-11-02 | Sony Corp | Supporting structure of optical system |
| JPS57186237A (en) * | 1981-05-12 | 1982-11-16 | Pioneer Video Corp | Crosstalk eliminating device for recorded information reproducing device |
| JPS6245298Y2 (US20020051482A1-20020502-M00057.png) * | 1981-05-27 | 1987-12-03 | ||
| JPS582731U (ja) * | 1981-06-26 | 1983-01-08 | パイオニアビデオ株式会社 | 光学的情報読取装置 |
| NL8103305A (nl) * | 1981-07-10 | 1983-02-01 | Philips Nv | Opto-elektronische inrichting voor het met een stralingsbundel inschrijven en/of uitlezen van registratiesporen. |
| JPS5826331A (ja) * | 1981-08-11 | 1983-02-16 | Nippon Telegr & Teleph Corp <Ntt> | 光学ヘツド |
| JPS5835135U (ja) * | 1981-09-02 | 1983-03-07 | 松下電器産業株式会社 | 光学ピツクアツプ装置 |
| JPS5864648A (ja) * | 1981-10-13 | 1983-04-18 | Matsushita Electric Ind Co Ltd | 対物レンズ駆動装置 |
| NL8105072A (nl) * | 1981-11-10 | 1983-06-01 | Philips Nv | Electro-optische inrichting. |
| US4574369A (en) * | 1982-01-28 | 1986-03-04 | Ricoh Co., Ltd. | Tracking/focusing device for positioning an optical lens unit |
| DE3234288C2 (de) * | 1982-09-16 | 1984-07-26 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Optische Vorrichtung zur Lenkung bzw. Ausrichtung eines Strahlenbündels |
| US4587466A (en) * | 1982-12-09 | 1986-05-06 | Magnetic Peripherals | Two axis linear motor for optical focusing and tracking system in optical recording |
| DE3346552A1 (de) * | 1982-12-23 | 1984-06-28 | Konishiroku Photo Industry Co., Ltd., Tokio/Tokyo | Kamera |
| JPS58171731A (ja) * | 1983-02-21 | 1983-10-08 | Mitsubishi Electric Corp | デイスク再生装置 |
| JPS59154677A (ja) * | 1983-02-22 | 1984-09-03 | Matsushita Electric Ind Co Ltd | トラツキング制御装置 |
| USRE33548E (en) * | 1983-03-30 | 1991-03-05 | Mitsubishi Denki Kabushiki Kaisha | Deviation correction apparatus for optical disc light beams |
| US4566089A (en) * | 1983-03-30 | 1986-01-21 | Mitsubishi Denki Kabushiki Kaisha | Deviation correction apparatus for optical disc light beams |
| JPS59168839U (ja) * | 1983-04-28 | 1984-11-12 | パイオニア株式会社 | 光学式情報読取装置における光学部品の駆動機構 |
| JPS6020326A (ja) * | 1983-07-14 | 1985-02-01 | Olympus Optical Co Ltd | 光学的記録装置 |
| AU575332B2 (en) * | 1983-07-29 | 1988-07-28 | Sony Corporation | Optical disk pick-up |
| JPS6069841A (ja) * | 1983-09-26 | 1985-04-20 | Toshiba Corp | 光学ヘッド装置 |
| US4742506A (en) * | 1984-07-12 | 1988-05-03 | Sony Corporation | Tracking error detecting apparatus for an optical head with skew error reduction by using an inclined header portion |
| NL8500592A (nl) * | 1985-03-04 | 1986-10-01 | Philips Nv | Electro-optische inrichting. |
| US4794580A (en) * | 1985-07-12 | 1988-12-27 | Pioneer Electronic Corporation | Pickup system in optical information recording and reproducing apparatus with damped lead wires |
| JPS6222244A (ja) * | 1985-07-19 | 1987-01-30 | Nippon Gakki Seizo Kk | 光学式再生装置のフオ−カスサ−チ回路 |
| US4956833A (en) * | 1986-03-31 | 1990-09-11 | Asahi Kogaku Kogyo Kabushiki Kaisha | Objective driving device for an optical disk apparatus |
| US5001694A (en) * | 1986-05-06 | 1991-03-19 | Pencom International Corp. | Tracking and focus actuator for a holographic optical head |
| JPS6332739A (ja) * | 1987-05-29 | 1988-02-12 | Mitsubishi Electric Corp | ディスク再生装置 |
| JPS6332741A (ja) * | 1987-05-29 | 1988-02-12 | Mitsubishi Electric Corp | ディスク再生装置 |
| JPS6332738A (ja) * | 1987-05-29 | 1988-02-12 | Mitsubishi Electric Corp | ディスク再生装置 |
| US4814907A (en) * | 1987-11-24 | 1989-03-21 | Goor Associates, Inc. | Method and apparatus for maintaining constant flying height via magnetic interaction |
| US5179482A (en) * | 1988-06-21 | 1993-01-12 | Sony Corporation | Disk drive with optical encoder having integral scale member |
| US5132944A (en) * | 1988-09-20 | 1992-07-21 | Hewlett-Packard Company | Half-height magneto-optic disk drive |
| US5015831A (en) * | 1988-11-07 | 1991-05-14 | Photographic Sciences Corporation | Scan modules for bar code readers and the like in which scan elements are flexurally supported |
| US5115120A (en) * | 1990-06-26 | 1992-05-19 | Photographic Sciences Corporation | Scan modules for bar code readers and in which scan elements are flexurally supported |
| EP0685979A3 (de) * | 1994-06-01 | 1997-04-23 | Nokia Technology Gmbh | Zentriermembran. |
| US8180950B2 (en) * | 2007-06-15 | 2012-05-15 | International Business Machines Corporation | Apparatus and method to manage information using an optical and holographic data storage medium |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2812825A (en) * | 1953-12-23 | 1957-11-12 | Wm H Welsh Co Inc | Loud speaker diaphragm supporting member |
| NL171641C (nl) * | 1974-02-13 | 1983-04-18 | Philips Nv | Inrichting voor het uitlezen van een registratiedrager waarop informatie is aangebracht in een optisch uitleesbare structuur. |
| NL7511634A (nl) * | 1975-10-03 | 1977-04-05 | Philips Nv | Electromagnetisch bestuurbare zwenkspiegelinrich- ting. |
| DE2645326C2 (de) * | 1975-10-08 | 1984-06-20 | Olympus Optical Co., Ltd., Tokio/Tokyo | Lesekopf für eine optische Lesevorrichtung |
| NL178915C (nl) * | 1976-01-16 | 1986-06-02 | Philips Nv | Automatisch optisch focusseersysteem. |
-
1977
- 1977-03-25 NL NL7703232A patent/NL7703232A/xx not_active Application Discontinuation
- 1977-08-04 US US05/821,709 patent/US4135206A/en not_active Expired - Lifetime
- 1977-12-19 ZA ZA00777541A patent/ZA777541B/xx unknown
-
1978
- 1978-02-16 AR AR271115A patent/AR212403A1/es active
- 1978-03-15 DE DE2811111A patent/DE2811111C2/de not_active Expired
- 1978-03-21 CA CA299,406A patent/CA1124392A/en not_active Expired
- 1978-03-22 DD DD78204347A patent/DD135655A5/xx unknown
- 1978-03-22 AT AT0203778A patent/AT371276B/de active
- 1978-03-22 ES ES468164A patent/ES468164A1/es not_active Expired
- 1978-03-22 GB GB11387/78A patent/GB1600900A/en not_active Expired
- 1978-03-22 FR FR7808298A patent/FR2385174A1/fr active Granted
- 1978-03-22 JP JP3183178A patent/JPS53120403A/ja active Granted
- 1978-03-22 IT IT21455/78A patent/IT1093670B/it active
- 1978-03-22 SE SE7803271A patent/SE419911B/sv not_active IP Right Cessation
- 1978-03-22 DK DK131178A patent/DK131178A/da unknown
- 1978-03-22 BR BR787801790A patent/BR7801790A/pt unknown
- 1978-03-23 BE BE186237A patent/BE865265A/xx not_active IP Right Cessation
- 1978-03-23 AU AU34464/78A patent/AU511831B2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| AU3446478A (en) | 1979-09-27 |
| DE2811111C2 (de) | 1987-05-07 |
| IT1093670B (it) | 1985-07-26 |
| AU511831B2 (en) | 1980-09-04 |
| BE865265A (fr) | 1978-09-25 |
| GB1600900A (en) | 1981-10-21 |
| FR2385174A1 (fr) | 1978-10-20 |
| NL7703232A (nl) | 1978-09-27 |
| ATA203778A (de) | 1982-10-15 |
| DK131178A (da) | 1978-09-26 |
| US4135206A (en) | 1979-01-16 |
| BR7801790A (pt) | 1979-02-13 |
| CA1124392A (en) | 1982-05-25 |
| DD135655A5 (de) | 1979-05-16 |
| AT371276B (de) | 1983-06-10 |
| ZA777541B (en) | 1979-07-25 |
| FR2385174B1 (US20020051482A1-20020502-M00057.png) | 1985-05-10 |
| SE7803271L (sv) | 1978-09-26 |
| AR212403A1 (es) | 1978-06-30 |
| JPS53120403A (en) | 1978-10-20 |
| JPS5758733B2 (US20020051482A1-20020502-M00057.png) | 1982-12-10 |
| IT7821455A0 (it) | 1978-03-22 |
| DE2811111A1 (de) | 1978-09-28 |
| ES468164A1 (es) | 1979-01-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NUG | Patent has lapsed |
Ref document number: 7803271-1 Effective date: 19900125 Format of ref document f/p: F |