DE3772934D1 - Elektro-optische abtastvorrichtung. - Google Patents
Elektro-optische abtastvorrichtung.Info
- Publication number
- DE3772934D1 DE3772934D1 DE8787201941T DE3772934T DE3772934D1 DE 3772934 D1 DE3772934 D1 DE 3772934D1 DE 8787201941 T DE8787201941 T DE 8787201941T DE 3772934 T DE3772934 T DE 3772934T DE 3772934 D1 DE3772934 D1 DE 3772934D1
- Authority
- DE
- Germany
- Prior art keywords
- electro
- optical scanner
- scanner
- optical
- 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 - Lifetime
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
- G11B7/0933—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
- G11B7/093—Electromechanical actuators for lens positioning for focusing and tracking
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL8602564A NL8602564A (nl) | 1986-10-13 | 1986-10-13 | Electro-optische aftastinrichting. |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3772934D1 true DE3772934D1 (de) | 1991-10-17 |
Family
ID=19848664
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8787201941T Expired - Lifetime DE3772934D1 (de) | 1986-10-13 | 1987-10-09 | Elektro-optische abtastvorrichtung. |
Country Status (7)
Country | Link |
---|---|
US (1) | US4817076A (de) |
EP (1) | EP0268311B1 (de) |
JP (1) | JPS63104228A (de) |
CA (1) | CA1309498C (de) |
DE (1) | DE3772934D1 (de) |
NL (1) | NL8602564A (de) |
SU (1) | SU1687036A3 (de) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0750528B2 (ja) * | 1987-06-25 | 1995-05-31 | 三菱電機株式会社 | 対物レンズ駆動装置 |
NL8802514A (nl) * | 1988-10-13 | 1990-05-01 | Philips Nv | Optische aftasteenheid en een optische inschrijfen/of uitleesinrichting daarvan voorzien, alsmede een werkwijze voor het vervaardigen van de aftasteenheid en de inschrijf- en/of uitleesinrichting. |
US5107485A (en) * | 1988-10-27 | 1992-04-21 | Eastman Kodak Company | Double solenoid focus actuator for optical recording/playback apparatus |
US5239532A (en) * | 1989-03-28 | 1993-08-24 | U.S. Philips Corporation | Drive arrangement for the writing/reading heads of a magneto-optical disc apparatus |
JPH0690803B2 (ja) * | 1989-05-22 | 1994-11-14 | パイオニア株式会社 | 情報読取装置の製造方法 |
US5416640A (en) * | 1989-11-24 | 1995-05-16 | Matsushita Electric Industrial Co., Ltd. | Objective actuator |
US5319497A (en) * | 1990-01-12 | 1994-06-07 | Matsushita Electric Industrial Co., Ltd. | Lens drive device with lens holder carrying drive flux generating magnets |
JPH077522B2 (ja) * | 1990-01-31 | 1995-01-30 | シャープ株式会社 | レンズ駆動用支持体 |
US5046819A (en) * | 1990-04-16 | 1991-09-10 | International Business Machines Corporation | Objective lens support having rotary and axial motions for use in an optical disk apparatus |
US5920437A (en) * | 1997-05-08 | 1999-07-06 | Sankyo Seiki Mfg. Co., Ltd. | Objective lens driving apparatus |
US8429681B2 (en) * | 2007-09-06 | 2013-04-23 | Sanyo Electric Co., Ltd. | Optical disc apparatus which includes an optical pickup apparatus that includes an optical member driving apparatus |
US10284038B1 (en) | 2011-09-26 | 2019-05-07 | Pangolin Laser Systems, Inc. | Electromechanical limited rotation rotary actuator and method employing segmented coils |
US9270144B2 (en) | 2011-09-26 | 2016-02-23 | William R. Benner, Jr. | High torque low inductance rotary actuator |
US10734857B2 (en) | 2011-09-26 | 2020-08-04 | Pangolin Laser Systems, Inc. | Electromechanical limited rotation rotary actuator and method employing segmented coils |
US9077219B2 (en) | 2011-09-26 | 2015-07-07 | Pangolin Laser Systems, Inc. | Electromechanical limited rotation rotary actuator |
US9991773B2 (en) | 2015-02-06 | 2018-06-05 | William R. Benner, Jr. | Low cost limited rotation rotary actuator |
US10720824B2 (en) | 2015-02-06 | 2020-07-21 | William R. Benner, Jr. | Low cost limited rotation rotary actuator |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57210456A (en) * | 1981-06-22 | 1982-12-24 | Sony Corp | Objective lens device |
JPS59104735A (ja) * | 1982-12-08 | 1984-06-16 | Sony Corp | 対物レンズ駆動装置 |
US4566089A (en) * | 1983-03-30 | 1986-01-21 | Mitsubishi Denki Kabushiki Kaisha | Deviation correction apparatus for optical disc light beams |
JPS6022741A (ja) * | 1983-07-19 | 1985-02-05 | Sharp Corp | 対物レンズ駆動装置 |
US4643522A (en) * | 1983-08-03 | 1987-02-17 | Sony Corporation | Optical pickup having a driving unit for moving objective lens |
JPS6098532A (ja) * | 1983-11-01 | 1985-06-01 | Sharp Corp | 光学的情報読み取り装置 |
JPS60127538A (ja) * | 1983-12-13 | 1985-07-08 | Sharp Corp | 対物レンズ駆動装置 |
JPS60136926A (ja) * | 1983-12-26 | 1985-07-20 | Sharp Corp | 対物レンズ駆動装置 |
JPS60138746A (ja) * | 1983-12-27 | 1985-07-23 | Toshiba Corp | 対物レンズ駆動装置およびその製造方法 |
JPS6145422A (ja) * | 1984-08-08 | 1986-03-05 | Matsushita Electric Ind Co Ltd | 回動型アクチユエ−タ |
JPH042420Y2 (de) * | 1984-09-28 | 1992-01-28 | ||
NL8500592A (nl) * | 1985-03-04 | 1986-10-01 | Philips Nv | Electro-optische inrichting. |
JP3090786B2 (ja) * | 1992-07-08 | 2000-09-25 | 花王株式会社 | 食酢の製造方法 |
JPH0698532A (ja) * | 1992-09-14 | 1994-04-08 | Matsushita Electric Works Ltd | 電源装置 |
JPH06145422A (ja) * | 1992-11-12 | 1994-05-24 | Yokohama Rubber Co Ltd:The | タイヤ用ゴム組成物 |
-
1986
- 1986-10-13 NL NL8602564A patent/NL8602564A/nl not_active Application Discontinuation
-
1987
- 1987-10-06 CA CA000548704A patent/CA1309498C/en not_active Expired - Lifetime
- 1987-10-09 SU SU874203463A patent/SU1687036A3/ru active
- 1987-10-09 EP EP87201941A patent/EP0268311B1/de not_active Expired
- 1987-10-09 DE DE8787201941T patent/DE3772934D1/de not_active Expired - Lifetime
- 1987-10-13 JP JP62256413A patent/JPS63104228A/ja active Pending
- 1987-10-13 US US07/108,511 patent/US4817076A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
NL8602564A (nl) | 1988-05-02 |
CA1309498C (en) | 1992-10-27 |
EP0268311A1 (de) | 1988-05-25 |
US4817076A (en) | 1989-03-28 |
SU1687036A3 (ru) | 1991-10-23 |
JPS63104228A (ja) | 1988-05-09 |
EP0268311B1 (de) | 1991-09-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: PHILIPS ELECTRONICS N.V., EINDHOVEN, NL |
|
8339 | Ceased/non-payment of the annual fee |