DE3583632D1 - Antrieb des optischen systems fuer optisches aufnahme- oder wiedergabegeraet. - Google Patents
Antrieb des optischen systems fuer optisches aufnahme- oder wiedergabegeraet.Info
- Publication number
- DE3583632D1 DE3583632D1 DE8585105855T DE3583632T DE3583632D1 DE 3583632 D1 DE3583632 D1 DE 3583632D1 DE 8585105855 T DE8585105855 T DE 8585105855T DE 3583632 T DE3583632 T DE 3583632T DE 3583632 D1 DE3583632 D1 DE 3583632D1
- Authority
- DE
- Germany
- Prior art keywords
- drive
- playback device
- optical
- optical system
- optical recording
- 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
- G11B7/0932—Details of sprung supports
-
- 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
- G11B7/0935—Details of the moving parts
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K41/00—Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path
- H02K41/02—Linear motors; Sectional motors
- H02K41/035—DC motors; Unipolar motors
- H02K41/0352—Unipolar motors
- H02K41/0354—Lorentz force motors, e.g. voice coil motors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2201/00—Specific aspects not provided for in the other groups of this subclass relating to the magnetic circuits
- H02K2201/18—Machines moving with multiple degrees of freedom
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- Optical Recording Or Reproduction (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP59094453A JPS60239939A (ja) | 1984-05-14 | 1984-05-14 | 対物レンズ駆動装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3583632D1 true DE3583632D1 (de) | 1991-09-05 |
Family
ID=14110680
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8585105855T Expired - Lifetime DE3583632D1 (de) | 1984-05-14 | 1985-05-13 | Antrieb des optischen systems fuer optisches aufnahme- oder wiedergabegeraet. |
Country Status (4)
Country | Link |
---|---|
US (1) | US4702555A (de) |
EP (1) | EP0163192B1 (de) |
JP (1) | JPS60239939A (de) |
DE (1) | DE3583632D1 (de) |
Families Citing this family (41)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4794581A (en) * | 1987-06-25 | 1988-12-27 | International Business Machines Corporation | Lens support system enabling focussing and tracking motions employing a unitary lens holder |
NL8701526A (nl) * | 1987-06-30 | 1989-01-16 | Philips Nv | Inrichting voor het optisch aftasten van een roterende plaat. |
JPH073692B2 (ja) * | 1987-12-02 | 1995-01-18 | 株式会社日立製作所 | 光ディスク装置におけるトラッキング制御回路 |
JP2728496B2 (ja) * | 1989-04-21 | 1998-03-18 | 株式会社日立製作所 | 対物レンズ駆動装置 |
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 |
US6141300A (en) * | 1989-06-20 | 2000-10-31 | Discovision Associates | Optical actuator including lens assembly with optical axis having symmetric suspensory forces acting thereon and optical disc system including same |
US5136558A (en) * | 1989-06-20 | 1992-08-04 | Applied Magnetics Corporation | Two axis electromagnetic actuator |
US5265079A (en) | 1991-02-15 | 1993-11-23 | Applied Magnetics Corporation | Seek actuator for optical recording |
JP2765633B2 (ja) * | 1989-11-02 | 1998-06-18 | オリンパス光学工業株式会社 | 光学系支持装置 |
US5287337A (en) * | 1990-05-26 | 1994-02-15 | Pioneer Electronic Corporatioin | Optical pickup having flexible wiring plate with focusing effective length which eliminates plate restoring force induce pickup tilt during focusing |
JP2761972B2 (ja) * | 1990-08-21 | 1998-06-04 | 株式会社日立製作所 | 対物レンズ駆動装置及び光ディスク装置 |
US5617402A (en) * | 1990-12-21 | 1997-04-01 | Art Tech Gigadisc "Atg" | Access and tracking device for an optical disc |
US5729511A (en) * | 1991-02-15 | 1998-03-17 | Discovision Associates | Optical disc system having servo motor and servo error detection assembly operated relative to monitored quad sum signal |
US5677899A (en) * | 1991-02-15 | 1997-10-14 | Discovision Associates | Method for moving carriage assembly from initial position to target position relative to storage medium |
US5808980A (en) * | 1991-02-15 | 1998-09-15 | Discovision Associates | Seek actuator for optical recording |
US6069857A (en) * | 1991-02-15 | 2000-05-30 | Discovision Associates | Optical disc system having improved circuitry for performing blank sector check on readable disc |
US6236625B1 (en) | 1991-02-15 | 2001-05-22 | Discovision Associates | Optical disc system having current monitoring circuit with controller for laser driver and method for operating same |
JPH04313824A (ja) * | 1991-04-12 | 1992-11-05 | Pioneer Electron Corp | 光学式情報読取装置におけるレンズ駆動装置 |
US5177640A (en) * | 1991-10-08 | 1993-01-05 | Applied Magnetics Corporation | Two-axis moving coil actuator |
JPH05182227A (ja) * | 1991-12-27 | 1993-07-23 | Matsushita Electric Ind Co Ltd | 光ピックアップ |
JPH05266506A (ja) * | 1992-03-19 | 1993-10-15 | Sony Corp | 2軸アクチュエータ |
JP3279024B2 (ja) * | 1993-10-30 | 2002-04-30 | ソニー株式会社 | 光ピックアップ装置 |
JP3246140B2 (ja) * | 1993-11-16 | 2002-01-15 | ソニー株式会社 | 対物レンズ駆動装置 |
JP3319481B2 (ja) * | 1993-12-22 | 2002-09-03 | ソニー株式会社 | 対物レンズ駆動装置及びこれを利用した光ディスク装置 |
US5579175A (en) * | 1994-02-18 | 1996-11-26 | Samsung Electronics Co., Ltd. | Actuator for optical equipment capable of reducing the number of coils to necessary to move an objective lens in a tracking direction and a focusing direction |
US6434087B1 (en) | 1995-01-25 | 2002-08-13 | Discovision Associates | Optical disc system and method for controlling bias coil and light source to process information on a storage medium |
US5748578A (en) * | 1995-01-25 | 1998-05-05 | Discovision Associates | Colpitts type oscillator having reduced ringing and improved optical disc system utilizing same |
US6091684A (en) * | 1995-01-25 | 2000-07-18 | Discovision Associates | Optical disc system and method for changing the rotational rate of an information storage medium |
US5920539A (en) * | 1995-01-25 | 1999-07-06 | Discovision Associates | Apparatus and method for suppression of electromagnetic emissions having a groove on an external surface for passing an electrical conductor |
KR200168981Y1 (ko) * | 1997-08-27 | 2000-02-01 | 윤종용 | 광픽업의 대물렌즈 구동장치 |
DE19814777A1 (de) * | 1998-04-02 | 1999-10-07 | Thomson Brandt Gmbh | Optische Abtasteinrichtung mit verbesserter Ansprechcharakteristik |
KR100333328B1 (ko) | 1998-09-19 | 2002-06-20 | 윤종용 | 하드디스크 드라이브의 엑추에이터 |
JP2004110985A (ja) * | 2002-09-20 | 2004-04-08 | Pioneer Electronic Corp | アクチュエータ及び光ピックアップ装置 |
KR100555510B1 (ko) * | 2003-07-24 | 2006-03-03 | 삼성전자주식회사 | 지지부재, 광픽업 액튜에이터 및 광기록/재생 장치 |
JP4244021B2 (ja) * | 2004-04-13 | 2009-03-25 | ソニー株式会社 | 光ピックアップ及びディスクドライブ装置 |
CN2821772Y (zh) * | 2005-07-09 | 2006-09-27 | 鸿富锦精密工业(深圳)有限公司 | 读写头物镜座及使用它的光学读写头 |
EP1830354A1 (de) * | 2006-03-03 | 2007-09-05 | Deutsche Thomson-Brandt Gmbh | Lesekopf für den Zugriff auf Speichermedien |
EP3584912A3 (de) | 2006-05-11 | 2020-05-06 | Lg Innotek Co. Ltd | Motor zum antrieb von linsen |
DE102009038875A1 (de) * | 2009-08-26 | 2011-03-03 | Weber Maschinenbau Gmbh Breidenbach | Antriebsmotor |
DE102012107547B4 (de) * | 2011-08-22 | 2020-12-31 | Samsung Electronics Co., Ltd. | Gehäuse für eine lichtabgebende Vorrichtung |
JP6874474B2 (ja) * | 2017-03-30 | 2021-05-19 | トヨタ自動車株式会社 | タンクの製造装置および製造方法 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3371302A (en) * | 1965-04-23 | 1968-02-27 | Dynamic Instr Corp | Power supply and improved transformer structure therefor |
US3605055A (en) * | 1970-07-02 | 1971-09-14 | Gen Electric | Two-piece winding bobbin for watt-hour meter potential coil |
US3675175A (en) * | 1971-05-10 | 1972-07-04 | Gen Electric | High voltage coil assembly for electric induction apparatus |
JPS5134499Y2 (de) * | 1971-07-29 | 1976-08-26 | ||
GB1363123A (en) * | 1972-08-25 | 1974-08-14 | Surrey Steel Components Ltd | Bobbins for electrical windings |
DE2360411C3 (de) * | 1973-12-04 | 1981-10-15 | Siemens AG, 1000 Berlin und 8000 München | Spulenanordnung mit einem Spulenkörper für Doppelspulen |
US3939450A (en) * | 1974-10-04 | 1976-02-17 | Emerson Electric Co. | Electrical coil assembly with means for securing external leads |
US4315232A (en) * | 1980-02-07 | 1982-02-09 | Henry Spoldi | Subminiature audio transformer |
JPS5790908A (en) * | 1980-11-27 | 1982-06-05 | Tokyo Electric Co Ltd | Coil bobbin |
JPS5812917U (ja) * | 1981-07-17 | 1983-01-27 | 株式会社タムラ製作所 | トランス用絶縁紙 |
US4387863A (en) * | 1981-12-17 | 1983-06-14 | Western Electric Company, Inc. | Spool assembly |
US4568142A (en) * | 1982-04-26 | 1986-02-04 | Hitachi, Ltd. | Objective lens drive apparatus |
JPS58194147A (ja) * | 1982-05-04 | 1983-11-12 | Matsushita Electric Ind Co Ltd | アクチユエ−タ |
JPS6040535A (ja) * | 1983-08-15 | 1985-03-02 | Hitachi Ltd | 対物レンズ駆動装置 |
NL8303700A (nl) * | 1983-10-27 | 1985-05-17 | Philips Nv | Electro-optische inrichting. |
JPS6095735A (ja) * | 1983-10-31 | 1985-05-29 | Hitachi Ltd | 対物レンズ駆動装置 |
GB8614764D0 (en) * | 1986-06-17 | 1986-07-23 | Bicc Plc | Termination of mineral insulated electric cable |
-
1984
- 1984-05-14 JP JP59094453A patent/JPS60239939A/ja active Granted
-
1985
- 1985-05-08 US US06/731,947 patent/US4702555A/en not_active Expired - Lifetime
- 1985-05-13 EP EP85105855A patent/EP0163192B1/de not_active Expired
- 1985-05-13 DE DE8585105855T patent/DE3583632D1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0163192B1 (de) | 1991-07-31 |
EP0163192A2 (de) | 1985-12-04 |
EP0163192A3 (en) | 1988-04-13 |
JPH0572655B2 (de) | 1993-10-12 |
US4702555A (en) | 1987-10-27 |
JPS60239939A (ja) | 1985-11-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |