DE69418079T2 - Linearantrieb, insbesondere für optischen Kopf - Google Patents

Linearantrieb, insbesondere für optischen Kopf

Info

Publication number
DE69418079T2
DE69418079T2 DE69418079T DE69418079T DE69418079T2 DE 69418079 T2 DE69418079 T2 DE 69418079T2 DE 69418079 T DE69418079 T DE 69418079T DE 69418079 T DE69418079 T DE 69418079T DE 69418079 T2 DE69418079 T2 DE 69418079T2
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
Application number
DE69418079T
Other languages
English (en)
Other versions
DE69418079D1 (de
Inventor
David Paul Gregg
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Discovision Associates
Original Assignee
Discovision Associates
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Discovision Associates filed Critical Discovision Associates
Publication of DE69418079D1 publication Critical patent/DE69418079D1/de
Application granted granted Critical
Publication of DE69418079T2 publication Critical patent/DE69418079T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
DE69418079T 1993-02-05 1994-02-02 Linearantrieb, insbesondere für optischen Kopf Expired - Lifetime DE69418079T2 (de)

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 DE69418079D1 (de) 1999-06-02
DE69418079T2 true 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)

* Cited by examiner, † Cited by third party
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
AU5707796A (en) * 1996-03-26 1997-10-17 Mats Bexell An actuator motor and a method for fabrication of such an actuator
DE69626491T2 (de) * 1996-03-28 2003-11-27 Toshiba Kawasaki Kk Antriebsvorrichtung für Objektivlinse
DE19715488C1 (de) * 1997-04-14 1998-06-25 Siemens Ag Piezoaktor mit neuer Kontaktierung und Herstellverfahren
ES2199412T3 (es) * 1997-10-13 2004-02-16 Sagem S.A. Accionador amplificado de materiales activos.
DE69735806D1 (de) 1997-10-29 2006-06-08 St Microelectronics Srl 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
EP0977349B1 (de) 1998-07-30 2005-07-06 STMicroelectronics S.r.l. Fernbedienbarer integrierter Microantrieb, insbesondere für einen Lese/Schreibköpf einer Festplattenanlage
EP0977180B1 (de) 1998-07-30 2005-02-09 STMicroelectronics S.r.l. Verfahren zur Herstellung eines Aktuators für eine Festplattenvorrichtung, mit einem Lese-/Schreibkopf, einem Microaktuator und einer Aufhängung und die so erhaltene Aktuatorvorrichtung
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)

* Cited by examiner, † Cited by third party
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
US4092529A (en) * 1975-10-08 1978-05-30 Olympus Optical Company Limited Detecting head for use in an apparatus for reading optically an information recorded on a record carrier as a track or tracks
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
EP0228620B1 (de) * 1985-12-10 1991-06-05 Nec Corporation 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

Also Published As

Publication number Publication date
US5485437A (en) 1996-01-16
EP0613124A2 (de) 1994-08-31
EP0613124A3 (de) 1995-01-04
DE69418079D1 (de) 1999-06-02
EP0825593B1 (de) 2001-05-23
EP0825593A1 (de) 1998-02-25
DE69427310T2 (de) 2001-10-11
EP0613124B1 (de) 1999-04-28
JP2719109B2 (ja) 1998-02-25
US5521452A (en) 1996-05-28
DE69427310D1 (de) 2001-06-28
JPH06343277A (ja) 1994-12-13

Similar Documents

Publication Publication Date Title
DE69418079D1 (de) Linearantrieb, insbesondere für optischen Kopf
DE69427441T2 (de) Kopfanordnung für eine Platteneinheit
DE69023585D1 (de) Optischer Kopf.
ITRM950308A0 (it) Meccanismo a piattaforma girevole per un attrezzo di taglio.
DE69403475T2 (de) Abzugswerkzeug mittels laser bearbeitet
DE69528108D1 (de) System für optischen Kopf
DE69020417D1 (de) Optischer Kopf.
ATA78792A (de) Hohlwelle, insbesondere für einen schiffsantrieb
DE69419550D1 (de) Optischer Kopf
DE69416301D1 (de) Antriebsmechanismus für verdichtungsgerät
DE69426338T2 (de) Betätigungseinrichtung für optischen Kopf
DE69222263D1 (de) Servogerät für einen optischen Kopf
DE69022447D1 (de) Optischer Kopf.
IT1273643B1 (it) Braccio di sonda per macchina utensile
DE69018503D1 (de) Optischer Kopf.
DE68912666D1 (de) Anordnung für einen optischen Kopf.
DE59800796D1 (de) Antriebsanordnung, insbesondere für omnibusse
DE69707279D1 (de) Mechanismus für kolbentrieb
DE69201958D1 (de) Optischer kopf für magneto-optisches system.
BR9401663A (pt) Configuração de cabeçote aperfeiçoada para a válvula de contrapeso
DE59203445D1 (de) Spannantrieb, insbesondere für Maschinenschraubstöcke.
DE9406687U1 (de) Zufuhreinrichtung für längliche, insbesondere mit Kopf ausgebildete Bauteile
DE69414229D1 (de) Schmiervorrichtung für Schleifkopf
DE69616896T2 (de) Anordnung für optischen Kopf
DE69402280T2 (de) Schienenanordnung für Werkzeugmaschinen

Legal Events

Date Code Title Description
8364 No opposition during term of opposition