HK111496A - Scanning device - Google Patents

Scanning device

Info

Publication number
HK111496A
HK111496A HK111496A HK111496A HK111496A HK 111496 A HK111496 A HK 111496A HK 111496 A HK111496 A HK 111496A HK 111496 A HK111496 A HK 111496A HK 111496 A HK111496 A HK 111496A
Authority
HK
Hong Kong
Prior art keywords
holding device
scanning device
parallel
joints
connects
Prior art date
Application number
HK111496A
Inventor
Dietmar Uhde
Gerhard Weissmann
Original Assignee
Thomson Brandt Gmbh
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 Thomson Brandt Gmbh filed Critical Thomson Brandt Gmbh
Publication of HK111496A publication Critical patent/HK111496A/en

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

Landscapes

  • Optical Recording Or Reproduction (AREA)
  • Vehicle Body Suspensions (AREA)
  • Eye Examination Apparatus (AREA)
  • Mechanical Optical Scanning Systems (AREA)
  • Valve Device For Special Equipments (AREA)
  • Optical Communication System (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Character Input (AREA)
  • Optical Head (AREA)
  • Holo Graphy (AREA)
  • Mounting And Adjusting Of Optical Elements (AREA)
  • Color Television Image Signal Generators (AREA)

Abstract

An optical scanning device with two holding devices for a compact disk player is fastened by means of one holding device in such a manner that the scanning device or its objective lens can move parallel to the optical axis and parallel to the surface of the disk. To ensure parallel guiding of maximum precision, the holding device is composed of two end parts (E), two intermediate parts (Z) and at least one central part (M). The axes of rotation of the joints (K1), each of which connects an end part (E) to an intermediate part (Z), are perpendicular to the axis of rotation of the joint (K2) which connects the central part (M) on both sides to an intermediate part (Z). The holding device can be made from a piece of plastic with notches at the joint points which form bending points that function as joints. Application to mechanical and optical scanning devices, for example, for compact disk players.
HK111496A 1989-07-21 1996-06-27 Scanning device HK111496A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3924190A DE3924190A1 (en) 1989-07-21 1989-07-21 SCANNER DEVICE

Publications (1)

Publication Number Publication Date
HK111496A true HK111496A (en) 1996-07-05

Family

ID=6385563

Family Applications (1)

Application Number Title Priority Date Filing Date
HK111496A HK111496A (en) 1989-07-21 1996-06-27 Scanning device

Country Status (13)

Country Link
EP (1) EP0563034B1 (en)
JP (1) JPH04507028A (en)
KR (1) KR0165688B1 (en)
CN (1) CN1020008C (en)
AT (1) ATE129353T1 (en)
AU (1) AU5939090A (en)
DD (1) DD298448A5 (en)
DE (2) DE3924190A1 (en)
ES (1) ES2080165T3 (en)
HK (1) HK111496A (en)
HU (1) HUT60559A (en)
MY (1) MY106434A (en)
WO (1) WO1991001549A1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL9001492A (en) * 1990-06-29 1992-01-16 Philips Nv ELECTRO-OPTICAL SCANNER AND OPTICAL PLAYER FITTED WITH THE SCANNER.
US5313334A (en) * 1991-07-29 1994-05-17 Sony Corporation Objective lens moving actuator
DE4135908A1 (en) * 1991-10-31 1993-05-06 Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen, De ACTUATOR ARRANGEMENT
EP0541162B1 (en) * 1991-11-07 1997-05-21 Koninklijke Philips Electronics N.V. Electro-optical scanning device, hinge element for use in the scanning device, and optical player comprising the scanning device
EP0577199B1 (en) * 1992-07-01 1997-09-03 Koninklijke Philips Electronics N.V. Electro-optical scanning device and player comprising the scanning device
JP3136587B2 (en) * 1996-08-21 2001-02-19 船井電機株式会社 Objective lens drive
DE19751378B4 (en) * 1997-11-20 2009-03-19 Deutsche Thomson-Brandt Gmbh Method and device for producing a scanning device for optical recording media
GB0315273D0 (en) * 2003-07-01 2003-08-06 1 Ltd Lens suspension and actuation apparatus
SG132562A1 (en) 2005-11-14 2007-06-28 Agency Science Tech & Res Nano-positioning electromagnetic linear actuator

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6069841A (en) * 1983-09-26 1985-04-20 Toshiba Corp Optical head device
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
US5073883A (en) * 1988-01-27 1991-12-17 Sony Corporation Objective lens driving apparatus including parallalogram structure
JP2684738B2 (en) * 1988-12-29 1997-12-03 ソニー株式会社 Objective lens drive
DE68921733T2 (en) * 1989-01-25 1995-10-26 Kenju Yomoda Drive arrangement for an optical scanning unit.

Also Published As

Publication number Publication date
AU5939090A (en) 1991-02-22
EP0563034A1 (en) 1993-10-06
CN1020008C (en) 1993-03-03
KR0165688B1 (en) 1999-03-20
ES2080165T3 (en) 1996-02-01
WO1991001549A1 (en) 1991-02-07
CN1048943A (en) 1991-01-30
ATE129353T1 (en) 1995-11-15
DD298448A5 (en) 1992-02-20
HU9200125D0 (en) 1992-04-28
DE3924190A1 (en) 1991-01-31
EP0563034B1 (en) 1995-10-18
HUT60559A (en) 1992-09-28
KR920704278A (en) 1992-12-19
MY106434A (en) 1995-05-30
DE59009804D1 (en) 1995-11-23
JPH04507028A (en) 1992-12-03

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Legal Events

Date Code Title Description
PF Patent in force
PE Patent expired

Effective date: 20100628