DK155256C - Sporfoelgesystem med en optisk aftaster til et audio- eller videopladegengiveapparat - Google Patents

Sporfoelgesystem med en optisk aftaster til et audio- eller videopladegengiveapparat

Info

Publication number
DK155256C
DK155256C DK309884A DK309884A DK155256C DK 155256 C DK155256 C DK 155256C DK 309884 A DK309884 A DK 309884A DK 309884 A DK309884 A DK 309884A DK 155256 C DK155256 C DK 155256C
Authority
DK
Denmark
Prior art keywords
spots
drive
control signal
phase grating
track
Prior art date
Application number
DK309884A
Other languages
English (en)
Other versions
DK155256B (da
DK309884D0 (da
DK309884A (da
Inventor
Hans-Robert Kuehn
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 DK309884D0 publication Critical patent/DK309884D0/da
Publication of DK309884A publication Critical patent/DK309884A/da
Publication of DK155256B publication Critical patent/DK155256B/da
Application granted granted Critical
Publication of DK155256C publication Critical patent/DK155256C/da

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
    • G11B7/0929—Electromechanical actuators for lens positioning for tracking only
    • 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
    • G11B7/0901—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 for track following only
    • G11B7/0903—Multi-beam tracking systems
    • 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

Landscapes

  • Optical Recording Or Reproduction (AREA)
DK309884A 1983-06-25 1984-06-25 Sporfoelgesystem med en optisk aftaster til et audio- eller videopladegengiveapparat DK155256C (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3323007A DE3323007C1 (de) 1983-06-25 1983-06-25 Spurfolgesystem mit einem optischen Abtaster für ein Audio- oder Video-Plattenwiedergabegerät
DE3323007 1983-06-25

Publications (4)

Publication Number Publication Date
DK309884D0 DK309884D0 (da) 1984-06-25
DK309884A DK309884A (da) 1984-12-26
DK155256B DK155256B (da) 1989-03-13
DK155256C true DK155256C (da) 1989-07-31

Family

ID=6202447

Family Applications (1)

Application Number Title Priority Date Filing Date
DK309884A DK155256C (da) 1983-06-25 1984-06-25 Sporfoelgesystem med en optisk aftaster til et audio- eller videopladegengiveapparat

Country Status (6)

Country Link
US (1) US4686663A (da)
EP (1) EP0129760B1 (da)
JP (1) JPS6052937A (da)
AT (1) ATE30647T1 (da)
DE (1) DE3323007C1 (da)
DK (1) DK155256C (da)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0740627B2 (ja) * 1986-02-25 1995-05-01 松下電器産業株式会社 プリント配線板
CA1277767C (en) * 1986-03-19 1990-12-11 Kenji Torazawa Optical recording apparatus
HU196518B (en) * 1986-12-22 1988-11-28 Itex Kutato Fejlesztoe Termelo Method and apparatus for the transformation and formation of laser beam
DE3804701A1 (de) * 1987-03-20 1988-09-29 Hitachi Ltd Mehrfachlichtfleck-lageregeleinrichtung
JPH0538411Y2 (da) * 1987-05-11 1993-09-29
US5224082A (en) * 1988-02-26 1993-06-29 Fujitsu Limited Method for detecting tracking error in optical disk system and its optical system devices thereof
JPH01256031A (ja) * 1988-04-04 1989-10-12 Nippon Telegr & Teleph Corp <Ntt> 光ディスクのトラッキング方法
JP2583273B2 (ja) * 1988-04-04 1997-02-19 株式会社日本コンラックス 光学的情報記録再生方法および装置
JPH0322227A (ja) * 1989-06-19 1991-01-30 Matsushita Electric Ind Co Ltd 光ディスク装置
JPH03100931A (ja) * 1989-09-14 1991-04-25 Mitsubishi Electric Corp 光学式情報記録再生装置
US5412640A (en) * 1990-09-10 1995-05-02 Deutsche Thomson-Brandt Gmbh Method for measuring and regulating the radial and tangential angles of a light beam
US5146242A (en) * 1991-03-15 1992-09-08 Eastman Kodak Company Writing beam angular alignment device
JPH07192287A (ja) * 1993-12-27 1995-07-28 Pioneer Electron Corp 光ピックアップ装置
US5754520A (en) * 1994-12-22 1998-05-19 Landis & Gyr Technology Innovation Ag Optical data carriers and reading devices therefor
US5523993A (en) * 1995-05-17 1996-06-04 Opto-Electronics & Systems Laboratories Holographic optical element for optical disk pickup head
DE19614970A1 (de) * 1996-04-17 1997-10-23 Thomson Brandt Gmbh Kompatibles Aufzeichnungs- oder Wiedergabegerät
EP0807703B1 (en) * 1996-05-15 2002-10-02 Matsushita Electric Industrial Co., Ltd A process for making a nonwoven fabric cloth substrate for printed wiring boards, and a process for making a prepreg using the same
KR20050090423A (ko) * 2002-12-30 2005-09-13 코닌클리케 필립스 일렉트로닉스 엔.브이. 광학주사장치
KR100604014B1 (ko) 2004-06-21 2006-07-24 엘지전자 주식회사 홀로그래픽 데이터 저장 시스템
KR20070026889A (ko) * 2004-07-21 2007-03-08 코닌클리케 필립스 일렉트로닉스 엔.브이. 기록 및 재생용 광 디스크 장치
US20080212448A1 (en) * 2005-05-31 2008-09-04 Koninklijke Philips Electronics, N.V. Optical System
US20100214892A1 (en) * 2005-12-01 2010-08-26 Koninklijke Philips Electronics, N.V. Optical recording device and method of operating an optical recording device

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL160138C (nl) * 1972-05-11 1979-09-17 Philips Nv Inrichting voor het uitlezen van een vlakke registratie- drager.
JPS6048809B2 (ja) * 1979-10-16 1985-10-29 パイオニアビデオ株式会社 情報読取装置におけるトラッキングサ−ボ引込装置
US4340950A (en) * 1979-10-12 1982-07-20 Universal Pioneer Corporation Video disc player
JPS6215864Y2 (da) * 1980-08-04 1987-04-22
JPS5819744A (ja) * 1981-07-24 1983-02-04 Sony Corp 光学式記録再生装置
JPH0675297B2 (ja) * 1981-08-28 1994-09-21 株式会社日立製作所 光学的情報記録再生装置
JPS58143472A (ja) * 1982-02-22 1983-08-26 Hitachi Ltd 記録情報再生装置のトラツキングサ−ボ制御装置
US4462095A (en) * 1982-03-19 1984-07-24 Magnetic Peripherals Inc. Moving diffraction grating for an information track centering system for optical recording
JPS58220252A (ja) * 1982-06-16 1983-12-21 Hitachi Ltd 光学式ピツクアツプのトラツキング誤差信号検出回路
JPS59185077A (ja) * 1983-04-05 1984-10-20 Pioneer Electronic Corp トラツキングサ−ボ引込装置

Also Published As

Publication number Publication date
US4686663A (en) 1987-08-11
EP0129760B1 (de) 1987-11-04
DK155256B (da) 1989-03-13
JPS6052937A (ja) 1985-03-26
DK309884D0 (da) 1984-06-25
JPH0434213B2 (da) 1992-06-05
ATE30647T1 (de) 1987-11-15
DE3323007C1 (de) 1984-06-28
EP0129760A1 (de) 1985-01-02
DK309884A (da) 1984-12-26

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Legal Events

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