DE69418079D1 - Linearantrieb, insbesondere für optischen Kopf - Google Patents
Linearantrieb, insbesondere für optischen KopfInfo
- Publication number
- DE69418079D1 DE69418079D1 DE69418079T DE69418079T DE69418079D1 DE 69418079 D1 DE69418079 D1 DE 69418079D1 DE 69418079 T DE69418079 T DE 69418079T DE 69418079 T DE69418079 T DE 69418079T DE 69418079 D1 DE69418079 D1 DE 69418079D1
- Authority
- DE
- Germany
- Prior art keywords
- optical head
- linear drive
- linear
- drive
- 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
- 230000003287 optical effect Effects 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N1/00—Electrostatic generators or motors using a solid moving electrostatic charge carrier
- H02N1/002—Electrostatic motors
- H02N1/006—Electrostatic motors of the gap-closing type
-
- 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
-
- 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
-
- 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
- G11B7/0937—Piezoelectric actuators
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/013,773 US5485437A (en) | 1993-02-05 | 1993-02-05 | Shock-resistant, electrostatically actuated pick-up for optical recording and playback |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69418079D1 true DE69418079D1 (de) | 1999-06-02 |
DE69418079T2 DE69418079T2 (de) | 1999-08-19 |
Family
ID=21761681
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69418079T Expired - Lifetime DE69418079T2 (de) | 1993-02-05 | 1994-02-02 | Linearantrieb, insbesondere für optischen Kopf |
DE69427310T Expired - Lifetime DE69427310T2 (de) | 1993-02-05 | 1994-02-02 | Schockstabiler und elektrostatisch gesteuerter Kopf zur optischen Aufzeichnung und Wiedergabe |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69427310T Expired - Lifetime DE69427310T2 (de) | 1993-02-05 | 1994-02-02 | Schockstabiler und elektrostatisch gesteuerter Kopf zur optischen Aufzeichnung und Wiedergabe |
Country Status (4)
Country | Link |
---|---|
US (2) | US5485437A (de) |
EP (2) | EP0613124B1 (de) |
JP (1) | JP2719109B2 (de) |
DE (2) | DE69418079T2 (de) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
US5642015A (en) * | 1993-07-14 | 1997-06-24 | The University Of British Columbia | Elastomeric micro electro mechanical systems |
US5682075A (en) * | 1993-07-14 | 1997-10-28 | The University Of British Columbia | Porous gas reservoir electrostatic transducer |
WO1997036365A1 (en) * | 1996-03-26 | 1997-10-02 | Stefan Johansson | An actuator motor and a method for fabrication of such an actuator |
EP0798705B1 (de) * | 1996-03-28 | 2003-03-05 | Kabushiki Kaisha Toshiba | Antriebsvorrichtung für Objektivlinse |
DE19715488C1 (de) * | 1997-04-14 | 1998-06-25 | Siemens Ag | Piezoaktor mit neuer Kontaktierung und Herstellverfahren |
DE69815247T2 (de) * | 1997-10-13 | 2004-05-06 | Sagem S.A. | Verstärker-Antrieb mit aktiven Materialien |
EP0913921B1 (de) | 1997-10-29 | 2006-05-03 | STMicroelectronics S.r.l. | Verfahren zur Herstellung einer Halbleiter Microantrieb, insbesondere für Lese-Schreibekopf einem Festplattengerät, und so hergestellter Microantrieb |
DE19802302A1 (de) * | 1998-01-22 | 1999-07-29 | Bosch Gmbh Robert | Piezoelektrischer Aktor |
EP0955629B1 (de) | 1998-05-05 | 2004-09-15 | STMicroelectronics S.r.l. | Herstellungsverfahren für eine Festplatten-Lese/Schreibeinheit, mit mikrometrischer Betätigung |
EP0975085B1 (de) | 1998-07-22 | 2005-02-09 | STMicroelectronics S.r.l. | Integrierte Anordnung mit einer Vorrichtung für den elektrostatischen Transport von dielektrischen Teilchen, die in einer Vorrichtung zum Betätigen von Festplatten erzeugt werden, und elektrostatisches Transportverfahren |
DE69828962D1 (de) | 1998-07-30 | 2005-03-17 | St Microelectronics Srl | Verfahren zur Herstellung eines Aktuators für eine Festplattenvorrichtung, mit einem Lese-/Schreibkopf, einem Microaktuator und einer Aufhängung und die so erhaltene Aktuatorvorrichtung |
EP0977349B1 (de) | 1998-07-30 | 2005-07-06 | STMicroelectronics S.r.l. | Fernbedienbarer integrierter Microantrieb, insbesondere für einen Lese/Schreibköpf einer Festplattenanlage |
DE69831237D1 (de) * | 1998-09-30 | 2005-09-22 | St Microelectronics Srl | Integrierter Hochleistungs-Microantrieb insbesondere für einen Lese/Schreib-Kopf in Festplattenlaufwerken |
US6512323B2 (en) | 2000-03-22 | 2003-01-28 | Caterpillar Inc. | Piezoelectric actuator device |
US6930487B2 (en) * | 2002-12-12 | 2005-08-16 | Howard L. North, Jr. | Method for electronic damping of electrostatic positioners |
US20040140733A1 (en) * | 2003-01-13 | 2004-07-22 | Keller Christopher Guild | Electrostatic actuator with a multiplicity of stacked parallel plates |
US7623142B2 (en) * | 2004-09-14 | 2009-11-24 | Hewlett-Packard Development Company, L.P. | Flexure |
JP2021112096A (ja) * | 2020-01-15 | 2021-08-02 | 株式会社デンソー | アクチュエータおよびアクチュエータシステム |
Family Cites Families (40)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2113184A (en) * | 1934-11-23 | 1938-04-05 | Sperti George | Method of recording and reproducing sound on film |
US2975307A (en) * | 1958-01-02 | 1961-03-14 | Ibm | Capacitive prime mover |
DE1167550B (de) * | 1959-01-09 | 1964-04-09 | Columbia Broadcasting Syst Inc | Piezoelektrischer Tonabnehmer |
US3530258A (en) * | 1968-06-28 | 1970-09-22 | Mca Technology Inc | Video signal transducer having servo controlled flexible fiber optic track centering |
NL184030C (nl) * | 1975-10-08 | 1989-03-16 | Olympus Optical Co | Leeskop voor het lezen van op een registratiedrager geregistreerde informatie. |
US4302830A (en) * | 1978-05-10 | 1981-11-24 | Olympus Optical Company Ltd. | Optical information reading-out apparatus |
JPS5593544A (en) * | 1979-01-09 | 1980-07-16 | Sony Corp | Multi-axis movable mirror unit |
NL7904618A (nl) * | 1979-06-13 | 1980-12-16 | Philips Nv | Optische focusseerinrichting. |
GB2060927B (en) * | 1979-07-24 | 1984-02-01 | Universal Pioneer Corp | Signal reading device for optical discs |
US4322837A (en) * | 1979-08-27 | 1982-03-30 | Discovision Associates | Dithered center tracking system |
US4342935A (en) * | 1980-04-10 | 1982-08-03 | Discovision Associates | Binary piezoelectric drive for lens focusing system |
CA1132258A (en) * | 1980-05-12 | 1982-09-21 | Herman W. Willemsen | Scanning head for an optical disc system |
JPS57205834A (en) * | 1981-06-12 | 1982-12-17 | Matsushita Electric Ind Co Ltd | Light focusing position controller |
US4488789A (en) * | 1981-12-21 | 1984-12-18 | North American Philips Corporation | Electromagnetically deflectable device |
JPH065585B2 (ja) * | 1984-02-15 | 1994-01-19 | 株式会社日立製作所 | 光磁気記憶装置 |
JPS60239943A (ja) * | 1984-05-15 | 1985-11-28 | Matsushita Electric Ind Co Ltd | 光学ヘツド |
DE3679648D1 (de) * | 1985-12-10 | 1991-07-11 | Nec Corp | Optischer kopf mit einem beugungsgitter zum richten von zwei oder mehreren gebeugten lichtstrahlen auf optische detektoren. |
KR900003521B1 (ko) * | 1986-02-28 | 1990-05-21 | 삼성전자 주식회사 | 광테이프 기록재생용 레이저 드럼 |
EP0273367B1 (de) * | 1986-12-26 | 1994-02-16 | Kabushiki Kaisha Toshiba | Steuerungsgerät für Objektivlinse |
JPS63195834A (ja) * | 1987-02-10 | 1988-08-12 | Pioneer Electronic Corp | 可動体支持装置 |
JP2637415B2 (ja) * | 1987-03-03 | 1997-08-06 | オリンパス光学工業株式会社 | 光磁気記録再生装置 |
JPS63220432A (ja) * | 1987-03-10 | 1988-09-13 | Toshiba Corp | 光学ヘツド |
JPS63257927A (ja) * | 1987-04-15 | 1988-10-25 | Pioneer Electronic Corp | ピツクアツプアクチユエ−タ |
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 |
JPS6419926A (en) * | 1987-07-14 | 1989-01-24 | Hitachi Metals Ltd | Switching power source |
US4945527A (en) * | 1987-09-30 | 1990-07-31 | Fuji Photo Film Co., Ltd. | Optical pickup apparatus for detection of focusing error, tracking error, and information |
JPH01119926A (ja) * | 1987-11-02 | 1989-05-12 | Mitsubishi Electric Corp | 対物レンズ駆動装置 |
EP0319038B1 (de) * | 1987-12-02 | 1994-07-13 | Nec Corporation | Struktur zur Versiegelung eines elektrostriktiven Elements |
JP2647113B2 (ja) * | 1988-01-21 | 1997-08-27 | 株式会社東芝 | 静電アクチュエータ |
JPH01238470A (ja) * | 1988-03-18 | 1989-09-22 | Hitachi Ltd | 直接駆動装置 |
US4945526A (en) * | 1988-10-18 | 1990-07-31 | Laser Magnetic Storage International Company | Actuator assembly for optical disk systems |
US5113108A (en) * | 1988-11-04 | 1992-05-12 | Nec Corporation | Hermetically sealed electrostrictive actuator |
JP2937348B2 (ja) * | 1989-07-20 | 1999-08-23 | 日本電気株式会社 | 位置決め装置 |
JPH03132082A (ja) * | 1989-10-18 | 1991-06-05 | Hitachi Ltd | 多軸マニピュレーター |
US5084645A (en) * | 1989-11-30 | 1992-01-28 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Electrorepulsive actuator |
US5170089A (en) * | 1989-12-20 | 1992-12-08 | General Electric Company | Two-axis motion apparatus utilizing piezoelectric material |
JPH04162229A (ja) * | 1990-10-26 | 1992-06-05 | Canon Inc | プローブ装置 |
US5206557A (en) * | 1990-11-27 | 1993-04-27 | Mcnc | Microelectromechanical transducer and fabrication method |
JPH04340373A (ja) * | 1991-05-14 | 1992-11-26 | Nippon Ceramic Co Ltd | 圧電素子利用の移動機構 |
US5179499A (en) * | 1992-04-14 | 1993-01-12 | Cornell Research Foundation, Inc. | Multi-dimensional precision micro-actuator |
-
1993
- 1993-02-05 US US08/013,773 patent/US5485437A/en not_active Expired - Lifetime
-
1994
- 1994-02-02 EP EP94300766A patent/EP0613124B1/de not_active Expired - Lifetime
- 1994-02-02 EP EP97116241A patent/EP0825593B1/de not_active Expired - Lifetime
- 1994-02-02 DE DE69418079T patent/DE69418079T2/de not_active Expired - Lifetime
- 1994-02-02 DE DE69427310T patent/DE69427310T2/de not_active Expired - Lifetime
- 1994-02-07 JP JP6013676A patent/JP2719109B2/ja not_active Expired - Fee Related
- 1994-11-01 US US08/333,107 patent/US5521452A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH06343277A (ja) | 1994-12-13 |
US5485437A (en) | 1996-01-16 |
US5521452A (en) | 1996-05-28 |
DE69427310T2 (de) | 2001-10-11 |
DE69427310D1 (de) | 2001-06-28 |
EP0825593A1 (de) | 1998-02-25 |
DE69418079T2 (de) | 1999-08-19 |
EP0613124B1 (de) | 1999-04-28 |
EP0613124A2 (de) | 1994-08-31 |
EP0825593B1 (de) | 2001-05-23 |
EP0613124A3 (de) | 1995-01-04 |
JP2719109B2 (ja) | 1998-02-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |