ES504182A0 - Una disposicion de lente para enfocar un rayo optico sobre un disco de informacion de video - Google Patents
Una disposicion de lente para enfocar un rayo optico sobre un disco de informacion de videoInfo
- Publication number
- ES504182A0 ES504182A0 ES504182A ES504182A ES504182A0 ES 504182 A0 ES504182 A0 ES 504182A0 ES 504182 A ES504182 A ES 504182A ES 504182 A ES504182 A ES 504182A ES 504182 A0 ES504182 A0 ES 504182A0
- Authority
- ES
- Spain
- Prior art keywords
- focus
- video information
- optical beam
- lens arrangement
- information disc
- 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.)
- Granted
Links
- 230000003287 optical effect Effects 0.000 title 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
-
- 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
-
- 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
- G11B7/0908—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 for focusing only
-
- 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
- G11B7/0933—Details of stationary parts
-
- 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
- G11B7/0927—Electromechanical actuators for lens positioning for focusing only
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Recording Or Reproduction (AREA)
- Manufacturing Optical Record Carriers (AREA)
- Supporting Of Heads In Record-Carrier Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/198,697 US4422169A (en) | 1980-10-20 | 1980-10-20 | Lens assembly for a video recorder-playback machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ES504182A0 true ES504182A0 (es) | 1982-05-16 |
| ES8205338A1 ES8205338A1 (es) | 1982-05-16 |
Family
ID=22734421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES504182A Expired ES8205338A1 (es) | 1980-10-20 | 1981-07-22 | Una disposicion de lente para enfocar un rayo optico sobre un disco de informacion de video |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US4422169A (es) |
| EP (1) | EP0050367A1 (es) |
| JP (1) | JPS5771535A (es) |
| KR (1) | KR850001481B1 (es) |
| AU (1) | AU543367B2 (es) |
| BR (1) | BR8104928A (es) |
| CA (1) | CA1149062A (es) |
| ES (1) | ES8205338A1 (es) |
| MX (1) | MX149708A (es) |
| NO (1) | NO157556C (es) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4594702A (en) * | 1982-11-12 | 1986-06-10 | Discovision Associates | Fluid bearing for axially movable head |
| US4598989A (en) * | 1982-12-23 | 1986-07-08 | Konishiroku Photo Industry Co. Ltd. | Camera |
| JPS6124820U (ja) * | 1984-07-13 | 1986-02-14 | パイオニア株式会社 | レンズ駆動装置 |
| US4686156A (en) * | 1985-10-11 | 1987-08-11 | Gte Service Corporation | Coated cemented carbide cutting tool |
| JPH03100935A (ja) * | 1989-09-12 | 1991-04-25 | Hitachi Ltd | 光ピツクアツプの防塵装置 |
| TW239211B (en) * | 1993-04-02 | 1995-01-21 | Hyundai Electronics America | Electromagnetic lens actuator for optical disk drive |
| CN1297975C (zh) * | 2001-04-25 | 2007-01-31 | 皇家菲利浦电子有限公司 | 包含至少一个合成材料透镜的光学透镜系统 |
| US6741405B1 (en) * | 2003-03-27 | 2004-05-25 | Exquisite Optical Technology Co., Ltd | Hood for a digital image collecting lens |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3154627A (en) * | 1960-08-09 | 1964-10-27 | Parsons & Co Sir Howard G | Control means for controlling static gas pressures in support means for a reflector of an optical telescope |
| US3081682A (en) * | 1961-06-28 | 1963-03-19 | Ibm | Method and apparatus for obtaining and maintaining spacing of a transducer |
| GB1246416A (en) * | 1969-04-18 | 1971-09-15 | Central Electr Generat Board | Improvements in or relating to television cameras |
| DE2259604B2 (de) * | 1972-12-06 | 1981-02-05 | Robert Bosch Gmbh, 7000 Stuttgart | Luftlager für optische Systeme |
| NL164689C (nl) * | 1975-03-10 | 1981-01-15 | Philips Nv | Optische focusseerinrichting voor het focusseren van een stralingsbundel. |
| US4006294A (en) * | 1975-05-27 | 1977-02-01 | Mca Disco-Vision, Inc. | Transducer head assembly with fluid bearing and head height control system |
| NL7605374A (nl) * | 1976-05-20 | 1977-11-22 | Philips Nv | Inrichting voor het met behulp van een stralen- bundel optisch uitlezen en/of beschrijven van een roterende plaat. |
| JPS6032265B2 (ja) * | 1977-04-19 | 1985-07-26 | ソニー株式会社 | 光学式再生装置の焦点制御装置 |
| SU710069A1 (ru) * | 1978-07-17 | 1980-01-15 | Предприятие П/Я Р-6380 | Устройство дл оптической фокусировки пучка лучей |
| US4349244A (en) * | 1980-04-23 | 1982-09-14 | Jenoptik Jena Gmbh | High quality objective using air bearing |
-
1980
- 1980-10-20 US US06/198,697 patent/US4422169A/en not_active Expired - Lifetime
-
1981
- 1981-06-08 KR KR1019810002038A patent/KR850001481B1/ko not_active Expired
- 1981-06-18 NO NO812080A patent/NO157556C/no not_active IP Right Cessation
- 1981-06-18 CA CA000380110A patent/CA1149062A/en not_active Expired
- 1981-07-02 AU AU72499/81A patent/AU543367B2/en not_active Expired
- 1981-07-16 JP JP56110119A patent/JPS5771535A/ja active Pending
- 1981-07-22 ES ES504182A patent/ES8205338A1/es not_active Expired
- 1981-07-30 BR BR8104928A patent/BR8104928A/pt not_active IP Right Cessation
- 1981-08-17 MX MX188755A patent/MX149708A/es unknown
- 1981-10-20 EP EP81108585A patent/EP0050367A1/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| ES8205338A1 (es) | 1982-05-16 |
| JPS5771535A (en) | 1982-05-04 |
| AU543367B2 (en) | 1985-04-18 |
| BR8104928A (pt) | 1982-08-31 |
| CA1149062A (en) | 1983-06-28 |
| NO812080L (no) | 1982-04-21 |
| US4422169A (en) | 1983-12-20 |
| EP0050367A1 (en) | 1982-04-28 |
| MX149708A (es) | 1983-12-13 |
| NO157556C (no) | 1988-04-13 |
| NO157556B (no) | 1987-12-28 |
| KR850001481B1 (ko) | 1985-10-10 |
| AU7249981A (en) | 1982-04-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AR212868A1 (es) | Disposicion de enfoque optico automatico,adecuada para un aparato de lectura optica de una pista de informacion sobre una grabacion | |
| IT7967571A0 (it) | Disco multistrato con piste di informa ioni registrate leggibili otticamente a riflessione | |
| AR217881A1 (es) | Unidad lectora optica para la lectura de un portador de informacion desplazable en particular para leer un disco de video | |
| EP0126161A4 (en) | Optical disc. | |
| DE3687274D1 (de) | Spurnachlaufverfahren fuer optische speicherplatte. | |
| GB2032137B (en) | Focussing lens servo driving device for optical information reading device | |
| DE3581550D1 (de) | Optische plattengeraete. | |
| DE3580250D1 (de) | Aufzeichnungsgeraet fuer optische platten. | |
| DE69020688D1 (de) | Optische Plattenaufzeichnungsvorrichtung. | |
| DE69215832D1 (de) | Fokussierservogerät für eine optische Platte | |
| DE3688483D1 (de) | Wiedergabegeraet fuer optische information. | |
| DE3679898D1 (de) | Projektor fuer einen laser-brennfleck. | |
| EP0164687A3 (en) | Optical head for focusing a light beam on an optical disk | |
| ES504182A0 (es) | Una disposicion de lente para enfocar un rayo optico sobre un disco de informacion de video | |
| DE3380905D1 (de) | Optisches system fuer einen laser. | |
| ES529481A0 (es) | Un disco de almacenamiento legible opticamente | |
| EP0105374A4 (en) | Optical recording/reproduction disc. | |
| MX149419A (es) | Mejoras en aparato para reproducir informacion digitalmente codificada grabada sobre una portadora de grabacion de forma de disco opticamente legible | |
| DE3580878D1 (de) | Plattengeraet fuer optische platten. | |
| JPS54106204A (en) | Information recording disc of transparent type | |
| ES523271A0 (es) | Un dispositivo optico, en particular dispositivo de enfoque para enfocar un haz luminoso sobre un disco optico. | |
| AT349077B (de) | Fokkusierungs-system fuer optische aufzeichnungstraeger | |
| DE3874018D1 (de) | Montage fuer fokussierungs- und spurverfolgungseinrichtung fuer optisches aufzeichnungsobjektiv. | |
| IT1111504B (it) | Dispositivo riproduttore di dischi ottico | |
| IT1137923B (it) | Dispositivo ottico di focalizzazione |