ES523271A0 - 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
- ES523271A0 ES523271A0 ES523271A ES523271A ES523271A0 ES 523271 A0 ES523271 A0 ES 523271A0 ES 523271 A ES523271 A ES 523271A ES 523271 A ES523271 A ES 523271A ES 523271 A0 ES523271 A0 ES 523271A0
- Authority
- ES
- Spain
- Prior art keywords
- optical
- focus
- light beam
- optical disc
- particular focusing
- 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
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)
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 |
---|---|
ES523271A0 true ES523271A0 (es) | 1984-04-01 |
ES8404085A1 ES8404085A1 (es) | 1984-04-01 |
Family
ID=19839898
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES523271A Expired ES8404085A1 (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) | ES8404085A1 (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. |
EP0215498B1 (de) * | 1985-08-14 | 1992-01-02 | Philips Patentverwaltung GmbH | 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. |
FR2469853B1 (fr) * | 1979-11-12 | 1986-09-12 | Nippon Telegraph & Telephone | Pick-up utilisable dans un appareil de lecture d'informations video et/ou audio |
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 CA CA000430320A patent/CA1241218A/en not_active Expired
- 1983-06-14 KR KR1019830002636A patent/KR890001176B1/ko not_active IP Right Cessation
- 1983-06-14 JP JP58106586A patent/JPS595444A/ja active Pending
- 1983-06-14 AU AU15740/83A patent/AU558514B2/en not_active Ceased
- 1983-06-15 ES ES523271A patent/ES8404085A1/es not_active Expired
- 1983-06-16 EP EP83200881A patent/EP0097402B1/en not_active Expired
- 1983-06-16 DE DE8383200881T patent/DE3366250D1/de 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 |
---|---|
EP0097402B1 (en) | 1986-09-17 |
JPH0749618Y2 (ja) | 1995-11-13 |
KR890001176B1 (ko) | 1989-04-26 |
JPH04103310U (ja) | 1992-09-07 |
DE3366250D1 (en) | 1986-10-23 |
US4490011A (en) | 1984-12-25 |
HK26487A (en) | 1987-04-10 |
JPS595444A (ja) | 1984-01-12 |
AU558514B2 (en) | 1987-01-29 |
NL8202451A (nl) | 1984-01-16 |
EP0097402A1 (en) | 1984-01-04 |
KR840005249A (ko) | 1984-11-05 |
CA1241218A (en) | 1988-08-30 |
ES8404085A1 (es) | 1984-04-01 |
AU1574083A (en) | 1983-12-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD1A | Patent lapsed |
Effective date: 19980102 |