CA1251079A - Optical pickup - Google Patents
Optical pickupInfo
- Publication number
- CA1251079A CA1251079A CA000488969A CA488969A CA1251079A CA 1251079 A CA1251079 A CA 1251079A CA 000488969 A CA000488969 A CA 000488969A CA 488969 A CA488969 A CA 488969A CA 1251079 A CA1251079 A CA 1251079A
- Authority
- CA
- Canada
- Prior art keywords
- objective lens
- lens holder
- optical pickup
- support shaft
- base
- 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
- 230000003287 optical effect Effects 0.000 title claims abstract description 27
- 239000000696 magnetic material Substances 0.000 claims description 6
- 239000003973 paint Substances 0.000 claims description 2
- 239000013013 elastic material Substances 0.000 claims 1
- 229920001971 elastomer Polymers 0.000 description 6
- 239000002184 metal Substances 0.000 description 5
- 230000001133 acceleration Effects 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 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
- G11B7/08—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
- G11B7/0932—Details of sprung supports
Landscapes
- Optical Recording Or Reproduction (AREA)
- Glass Compositions (AREA)
- Surgical Instruments (AREA)
- Die Bonding (AREA)
- Gyroscopes (AREA)
- Optical Head (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP146806/84 | 1984-09-28 | ||
| JP1984146806U JPH042420Y2 (en, 2012) | 1984-09-28 | 1984-09-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1251079A true CA1251079A (en) | 1989-03-14 |
Family
ID=15415948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000488969A Expired CA1251079A (en) | 1984-09-28 | 1985-08-19 | Optical pickup |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4687296A (en, 2012) |
| EP (1) | EP0176332B1 (en, 2012) |
| JP (1) | JPH042420Y2 (en, 2012) |
| KR (1) | KR920002028Y1 (en, 2012) |
| AT (1) | ATE44184T1 (en, 2012) |
| CA (1) | CA1251079A (en, 2012) |
| DE (1) | DE3571165D1 (en, 2012) |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62109237A (ja) * | 1985-11-08 | 1987-05-20 | Canon Inc | 光ヘツド装置 |
| DE3684124D1 (de) * | 1985-12-27 | 1992-04-09 | Mitsubishi Electric Corp | Antriebsvorrichtung fuer ein objektiv. |
| NL8600437A (nl) * | 1986-02-21 | 1987-09-16 | Philips Nv | Electro-optische inrichting. |
| NL8602564A (nl) * | 1986-10-13 | 1988-05-02 | Philips Nv | Electro-optische aftastinrichting. |
| JPS63191422U (en, 2012) * | 1987-05-26 | 1988-12-09 | ||
| JPS6448238A (en) * | 1987-08-19 | 1989-02-22 | Canon Kk | Optical system driving device |
| US4998802A (en) * | 1988-06-03 | 1991-03-12 | Kabushiki Kaisha Sankyo Seiki Seisakusho | Objective lens driving device in an optical pickup |
| JPH02216627A (ja) * | 1989-02-15 | 1990-08-29 | Mitsubishi Electric Corp | 光ヘッド |
| JPH03205635A (ja) * | 1989-10-17 | 1991-09-09 | Ricoh Co Ltd | 光学系駆動装置 |
| US5182738A (en) * | 1989-11-10 | 1993-01-26 | Canon Kabushiki Kaisha | Objective lens actuator using a balance weight therein |
| JPH04114325A (ja) * | 1990-09-04 | 1992-04-15 | Matsushita Electric Ind Co Ltd | 光ディスク装置 |
| US5177640A (en) * | 1991-10-08 | 1993-01-05 | Applied Magnetics Corporation | Two-axis moving coil actuator |
| EP0625779B1 (en) * | 1993-05-18 | 2000-11-29 | Nec Corporation | Actuator for an optical head |
| JPH07244862A (ja) * | 1994-03-07 | 1995-09-19 | Sankyo Seiki Mfg Co Ltd | 対物レンズ駆動装置 |
| US5898652A (en) * | 1994-07-08 | 1999-04-27 | Seiko Epson Corporation | Support structure for an optical pickup |
| JPH0830991A (ja) * | 1994-07-08 | 1996-02-02 | Seiko Epson Corp | 光ピックアップ装置 |
| US5721723A (en) * | 1994-11-18 | 1998-02-24 | Kabushiki Kaisha Toshiba | Objective lens driving device, data recording device, and data reproducing device, all having driver force selectively 120 tutine and positioning the objective lenses |
| KR19990041882A (ko) * | 1997-11-25 | 1999-06-15 | 전주범 | 씨디-디브이디 겸용 광픽업 액츄에이터 |
| JP3749047B2 (ja) * | 1999-08-27 | 2006-02-22 | 日本電産サンキョー株式会社 | 光ピックアップ装置 |
| US7079014B2 (en) * | 2004-05-08 | 2006-07-18 | Scott Steinetz | Digital sampling playback doorbell system |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3311711A (en) * | 1963-07-29 | 1967-03-28 | Mach Tronies Inc | Resilient core holder for pressing head sections into alignment |
| US3554617A (en) * | 1969-04-01 | 1971-01-12 | Paul J Weaver | Machine tools slide assembly |
| DE2007198C3 (de) * | 1970-02-17 | 1985-01-24 | Bogen Electronic GmbH, 1000 Berlin | Magnetkopfanordnung mit einer Einrichtung zum Positionieren des Magnetkopfes |
| NL164689C (nl) * | 1975-03-10 | 1981-01-15 | Philips Nv | Optische focusseerinrichting voor het focusseren van een stralingsbundel. |
| CH591641A5 (en, 2012) * | 1975-11-26 | 1977-09-30 | Hydrel Ag | |
| 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 |
| JPS57197755U (en, 2012) * | 1981-06-10 | 1982-12-15 | ||
| 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 |
| CA1208264A (en) * | 1983-06-03 | 1986-07-22 | William R. Heathe | Sliding bearing |
-
1984
- 1984-09-28 JP JP1984146806U patent/JPH042420Y2/ja not_active Expired
-
1985
- 1985-08-19 CA CA000488969A patent/CA1251079A/en not_active Expired
- 1985-08-22 US US06/768,056 patent/US4687296A/en not_active Expired - Lifetime
- 1985-09-03 KR KR2019850011287U patent/KR920002028Y1/ko not_active Expired
- 1985-09-23 AT AT85306736T patent/ATE44184T1/de not_active IP Right Cessation
- 1985-09-23 EP EP85306736A patent/EP0176332B1/en not_active Expired
- 1985-09-23 DE DE8585306736T patent/DE3571165D1/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| KR920002028Y1 (ko) | 1992-03-26 |
| ATE44184T1 (de) | 1989-07-15 |
| JPS6161620U (en, 2012) | 1986-04-25 |
| JPH042420Y2 (en, 2012) | 1992-01-28 |
| EP0176332A1 (en) | 1986-04-02 |
| US4687296A (en) | 1987-08-18 |
| DE3571165D1 (en) | 1989-07-27 |
| EP0176332B1 (en) | 1989-06-21 |
| KR860004060U (ko) | 1986-04-25 |
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| JPH0765514A (ja) | 光学系駆動装置 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |