ES8404085A1 - Un dispositivo optico, en particular dispositivo de enfoque para enfocar un haz luminoso sobre un disco optico. - Google Patents
Un dispositivo optico, en particular dispositivo de enfoque para enfocar un haz luminoso sobre un disco optico.Info
- Publication number
- ES8404085A1 ES8404085A1 ES523271A ES523271A ES8404085A1 ES 8404085 A1 ES8404085 A1 ES 8404085A1 ES 523271 A ES523271 A ES 523271A ES 523271 A ES523271 A ES 523271A ES 8404085 A1 ES8404085 A1 ES 8404085A1
- Authority
- ES
- Spain
- Prior art keywords
- objective
- actuating means
- frame
- axial
- magnetic field
- 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.)
- Expired
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
-
- 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
- G11B7/0925—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
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Recording Or Reproduction (AREA)
- Lens Barrels (AREA)
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
- Telescopes (AREA)
- Vibration Prevention Devices (AREA)
Abstract
DISPOSITIVO OPTICO, EN PARTICULAR DISPOSITIVO DE ENFOQUE PARA ENFOCAR UN HAZ LUMINOSO SOBRE DISCO OPTICO.COMPRENDE UNA ARMADURA, UN OBJETIVO (1) DESPLAZABLE AXIALMENTE CON UN EJE OPTICO (2), UNA GUIA PARALELA PARA EL GUIADO AXIAL DEL OBJETIVO Y UN DISPOSITIVO ELECTROMAGNETICO PARA DESPLAZAR AXIALMENTE EL OBJETIVO, EL CUAL COMPRENDE MECANISMOS DE ACCIONAMIENTO (5, 7) UNIDOS AL OBJETIVO Y DISPUESTOS SOBRE LA ARMADURA.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL8202451A NL8202451A (nl) | 1982-06-17 | 1982-06-17 | Optische inrichting. |
Publications (2)
Publication Number | Publication Date |
---|---|
ES8404085A1 true ES8404085A1 (es) | 1984-04-01 |
ES523271A0 ES523271A0 (es) | 1984-04-01 |
Family
ID=19839898
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES523271A Granted ES523271A0 (es) | 1982-06-17 | 1983-06-15 | Un dispositivo optico, en particular dispositivo de enfoque para enfocar un haz luminoso sobre un disco optico. |
Country Status (10)
Country | Link |
---|---|
US (1) | US4490011A (es) |
EP (1) | EP0097402B1 (es) |
JP (2) | JPS595444A (es) |
KR (1) | KR890001176B1 (es) |
AU (1) | AU558514B2 (es) |
CA (1) | CA1241218A (es) |
DE (1) | DE3366250D1 (es) |
ES (1) | ES523271A0 (es) |
HK (1) | HK26487A (es) |
NL (1) | NL8202451A (es) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6137135U (ja) * | 1984-08-11 | 1986-03-07 | アルプス電気株式会社 | 光学式ピツクアツプのノイズ防止装置 |
NL8403052A (nl) * | 1984-10-08 | 1986-05-01 | Philips Nv | Optische inrichting. |
DE3683227D1 (de) * | 1985-08-14 | 1992-02-13 | Philips Patentverwaltung | Optische abtasteinheit. |
EP0228055B1 (en) | 1985-12-27 | 1992-03-04 | Mitsubishi Denki Kabushiki Kaisha | Driving equipment for objective lens |
JPS6430809A (en) * | 1987-07-28 | 1989-02-01 | Sumitomo Rubber Ind | Run flat tire for high speed driving |
JPH01118275A (ja) * | 1987-10-31 | 1989-05-10 | Toshiba Corp | 光学ヘッド駆動装置 |
US4936365A (en) * | 1988-12-12 | 1990-06-26 | The Goodyear Tire & Rubber Company | Anisotropic tire |
JP2006012237A (ja) * | 2004-06-23 | 2006-01-12 | Pioneer Electronic Corp | ピックアップ装置 |
DE102005010868A1 (de) * | 2005-03-07 | 2006-09-14 | Deutsche Thomson-Brandt Gmbh | Abtasteinrichtung für optische Speichermedien |
US7713488B2 (en) * | 2007-08-14 | 2010-05-11 | Harris Neal F | Prescented and custom scented light fixture attachment |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL164689C (nl) * | 1975-03-10 | 1981-01-15 | Philips Nv | Optische focusseerinrichting voor het focusseren van een stralingsbundel. |
NL178915C (nl) * | 1976-01-16 | 1986-06-02 | Philips Nv | Automatisch optisch focusseersysteem. |
NL7904618A (nl) * | 1979-06-13 | 1980-12-16 | Philips Nv | Optische focusseerinrichting. |
GB2064848B (en) * | 1979-11-12 | 1983-09-14 | Nippon Telegraph & Telephone | Pick up device for use in a video and/or audio information readout apparatus |
GB2088646B (en) * | 1980-10-24 | 1984-09-12 | Sony Corp | Pick-up assemblies for disc players |
-
1982
- 1982-06-17 NL NL8202451A patent/NL8202451A/nl not_active Application Discontinuation
- 1982-10-28 US US06/437,387 patent/US4490011A/en not_active Expired - Fee Related
-
1983
- 1983-06-14 JP JP58106586A patent/JPS595444A/ja active Pending
- 1983-06-14 AU AU15740/83A patent/AU558514B2/en not_active Ceased
- 1983-06-14 KR KR1019830002636A patent/KR890001176B1/ko not_active IP Right Cessation
- 1983-06-14 CA CA000430320A patent/CA1241218A/en not_active Expired
- 1983-06-15 ES ES523271A patent/ES523271A0/es active Granted
- 1983-06-16 DE DE8383200881T patent/DE3366250D1/de not_active Expired
- 1983-06-16 EP EP83200881A patent/EP0097402B1/en not_active Expired
-
1987
- 1987-04-02 HK HK264/87A patent/HK26487A/xx unknown
-
1991
- 1991-07-09 JP JP1991061039U patent/JPH0749618Y2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
HK26487A (en) | 1987-04-10 |
EP0097402A1 (en) | 1984-01-04 |
JPS595444A (ja) | 1984-01-12 |
NL8202451A (nl) | 1984-01-16 |
JPH0749618Y2 (ja) | 1995-11-13 |
US4490011A (en) | 1984-12-25 |
AU1574083A (en) | 1983-12-22 |
AU558514B2 (en) | 1987-01-29 |
JPH04103310U (ja) | 1992-09-07 |
CA1241218A (en) | 1988-08-30 |
KR890001176B1 (ko) | 1989-04-26 |
DE3366250D1 (en) | 1986-10-23 |
KR840005249A (ko) | 1984-11-05 |
EP0097402B1 (en) | 1986-09-17 |
ES523271A0 (es) | 1984-04-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD1A | Patent lapsed |
Effective date: 19980102 |