NL7605713A - Inrichting voor het reproduceren van informatie. - Google Patents

Inrichting voor het reproduceren van informatie.

Info

Publication number
NL7605713A
NL7605713A NL7605713A NL7605713A NL7605713A NL 7605713 A NL7605713 A NL 7605713A NL 7605713 A NL7605713 A NL 7605713A NL 7605713 A NL7605713 A NL 7605713A NL 7605713 A NL7605713 A NL 7605713A
Authority
NL
Netherlands
Prior art keywords
reproducing information
reproducing
information
Prior art date
Application number
NL7605713A
Other languages
English (en)
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Publication of NL7605713A publication Critical patent/NL7605713A/nl

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/08Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09Disposition 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
    • G11B7/0901Disposition 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
    • G11B7/0903Multi-beam tracking systems
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/12Heads, e.g. forming of the optical beam spot or modulation of the optical beam
NL7605713A 1975-06-06 1976-05-26 Inrichting voor het reproduceren van informatie. NL7605713A (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50067643A JPS5855567B2 (ja) 1975-06-06 1975-06-06 ジヨウホウサイセイホウシキ

Publications (1)

Publication Number Publication Date
NL7605713A true NL7605713A (nl) 1976-12-08

Family

ID=13350881

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7605713A NL7605713A (nl) 1975-06-06 1976-05-26 Inrichting voor het reproduceren van informatie.

Country Status (6)

Country Link
US (1) US4085423A (nl)
JP (1) JPS5855567B2 (nl)
DE (1) DE2625359B2 (nl)
FR (1) FR2313731A1 (nl)
GB (1) GB1552008A (nl)
NL (1) NL7605713A (nl)

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NL8002958A (nl) * 1980-05-22 1981-12-16 Philips Nv Inrichting omvattende een elektrisch bestuurbare reflektieinrichting voor het detekteren van een stralingsbundel.
JPS5753832A (en) * 1980-09-12 1982-03-31 Olympus Optical Co Ltd Method and device for recording of optical information
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US4376303A (en) * 1980-12-19 1983-03-08 Rca Corporation Quasi-zoom lens optical focus sensor
FR2498752B1 (fr) * 1981-01-23 1985-07-05 Thomson Csf Dispositif optique d'enregistrement lecture d'un support d'information comportant deux sources laser de longueurs d'ondes differentes
NL8101932A (nl) * 1981-04-21 1982-11-16 Philips Nv Inrichting voor het inschrijven en uitlezen van informatiesporen in een optische registratiedrager.
JPS57200960A (en) * 1981-06-04 1982-12-09 Pioneer Electronic Corp Recording and reproducing method and its device
JPS5819744A (ja) * 1981-07-24 1983-02-04 Sony Corp 光学式記録再生装置
JPS5826336A (ja) * 1981-08-06 1983-02-16 Pioneer Electronic Corp 光磁気記録方式の記録再生装置
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
US4412743A (en) * 1981-09-08 1983-11-01 Discovision Associates Off-axis light beam defect detector
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US4622659A (en) * 1982-09-09 1986-11-11 Burroughs Corporation Focus detection and control apparatus for maintaining accurate focusing in an optical memory system by detecting reflected beam diameter variations at spaced predetermined locations
US4888759A (en) * 1982-09-09 1989-12-19 Burroughs Corporation Laser optical memory system having beam combining and separating apparatus for combining and separating reading and writing laser beams
US4559622A (en) * 1982-09-09 1985-12-17 Burroughs Corporation Optical memory system providing improved focus detection and control by detecting reflected beam diameter variations at spaced predetermined locations in the system
US4621353A (en) * 1982-09-09 1986-11-04 Burroughs Corporation Optical memory system providing improved focusing control and improved beam combining and separating apparatus
JPS5958637A (ja) * 1982-09-28 1984-04-04 Sony Corp 光学式再生装置
US4805162A (en) * 1982-11-01 1989-02-14 Storage Technology Partners Ii Fine and coarse servo system for access and tracking on an optical disk
JPS59167855A (ja) * 1983-03-14 1984-09-21 Canon Inc 情報記録再生装置
JPS5914130U (ja) * 1983-04-30 1984-01-28 日本ビクター株式会社 フオ−カスサ−ボにおける媒体位置検出装置
JPS60187933A (ja) * 1984-03-07 1985-09-25 Toshiba Corp 光学的記録再生装置
DE3418798A1 (de) * 1984-05-19 1985-11-21 Mannesmann AG, 4000 Düsseldorf Einrichtung fuer die digitale steuerung einer maschine bzw. eines geraetes, insbesondere eines matrixdruckers
US4563058A (en) * 1984-06-28 1986-01-07 International Business Machines Corporation Optical signal recorder employing a transducer having an adjustable dichroic mirror
US4643538A (en) * 1984-07-06 1987-02-17 Storage Technology Partners Ii Combined beam cross-section correcting, collimating and de-astigmatizing optical system
US4734906A (en) * 1984-07-06 1988-03-29 Storage Technology Partners 11 Optical disk recording and readout system having read, write and coarse light beams
US4694447A (en) * 1984-07-12 1987-09-15 International Business Machines Corp. Optical signal recorders employing two lasers and methods therefor
US4687916A (en) * 1984-07-13 1987-08-18 Ricoh Company, Ltd. Optical pick-up device for both focus and error tracking detection
US4686662A (en) * 1984-07-16 1987-08-11 Storage Technology Partners Ii Subaperture coarse tracking optical system for optical data storage devices
US5159586A (en) * 1985-05-24 1992-10-27 Omron Tateisi Electronics Co. Device for processing optical data
JPS6371945A (ja) * 1986-09-13 1988-04-01 Omron Tateisi Electronics Co 光カ−ド記録再生装置
JP2565196B2 (ja) * 1986-09-30 1996-12-18 ソニー株式会社 記録装置及び記録方法
JPS63220432A (ja) * 1987-03-10 1988-09-13 Toshiba Corp 光学ヘツド
DE3850165T2 (de) * 1987-04-08 1994-11-10 Nippon Telegraph & Telephone Verfahren und Gerät zur Herstellung von Matrizen für optische Platten und optischen Platten.
US5073888A (en) * 1988-04-21 1991-12-17 Ricoh Company, Ltd. Optical pickup device
US5083023A (en) * 1988-09-16 1992-01-21 Fuji Photo Film Co., Ltd. Composite light source unit and scanning device
US6871786B1 (en) 1993-03-26 2005-03-29 Symbol Technologies, Inc. Method and apparatus for reading and writing indicia such as bar codes using a scanned laser
US5825402A (en) 1993-03-26 1998-10-20 Symbol Technologies, Inc. Method and appratus for reading and writing indicia such as bar codes using a scanned laser beam
US7270274B2 (en) * 1999-10-04 2007-09-18 Hand Held Products, Inc. Imaging module comprising support post for optical reader
US6741416B2 (en) * 1999-12-16 2004-05-25 Matsushita Electric Industrial Co., Ltd. Tracking signal generating device and method, and magnetic recording/reproducing system
US7055747B2 (en) * 2002-06-11 2006-06-06 Hand Held Products, Inc. Long range optical reader
US7219843B2 (en) * 2002-06-04 2007-05-22 Hand Held Products, Inc. Optical reader having a plurality of imaging modules
US7090132B2 (en) * 2002-06-11 2006-08-15 Hand Held Products, Inc. Long range optical reader
US8596542B2 (en) 2002-06-04 2013-12-03 Hand Held Products, Inc. Apparatus operative for capture of image data
US20030222147A1 (en) * 2002-06-04 2003-12-04 Hand Held Products, Inc. Optical reader having a plurality of imaging modules
US7616550B2 (en) * 2005-06-16 2009-11-10 Sanyo Electric Co., Ltd. Optical pickup unit
US8783573B2 (en) * 2008-12-02 2014-07-22 Hand Held Products, Inc. Indicia reading terminal having plurality of optical assemblies
US8553311B2 (en) * 2010-04-02 2013-10-08 Electro Scientific Industries, Inc. Method for accomplishing high-speed intensity variation of a polarized output laser beam
US8561903B2 (en) 2011-01-31 2013-10-22 Hand Held Products, Inc. System operative to adaptively select an image sensor for decodable indicia reading
US8608071B2 (en) 2011-10-17 2013-12-17 Honeywell Scanning And Mobility Optical indicia reading terminal with two image sensors
US20130314757A1 (en) * 2012-05-22 2013-11-28 Koh Young Technology Inc. Wavelength-changeable laser apparatus and tuning method using the same

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US3627916A (en) * 1966-09-21 1971-12-14 Fritz Bestenreiner Apparatus for recording and reproducing holograms of moving subjects
US3624278A (en) * 1969-11-19 1971-11-30 Technical Operations Inc Area multiplex image recording by flying spot raster scanning employing spatial filtering
JPS48101927A (nl) * 1972-04-05 1973-12-21
NL160138C (nl) * 1972-05-11 1979-09-17 Philips Nv Inrichting voor het uitlezen van een vlakke registratie- drager.
US3932700A (en) * 1974-02-04 1976-01-13 Zenith Radio Corporation Focus tracking registration for optical reproducing systems
NL7410642A (nl) * 1974-08-08 1976-02-10 Philips Nv Opto-elektronisch fokusseringsdetektiestelsel.

Also Published As

Publication number Publication date
FR2313731A1 (fr) 1976-12-31
DE2625359C3 (nl) 1979-01-04
DE2625359A1 (de) 1976-12-09
DE2625359B2 (de) 1978-04-20
US4085423A (en) 1978-04-18
JPS5855567B2 (ja) 1983-12-10
GB1552008A (en) 1979-09-05
FR2313731B1 (nl) 1980-07-18
JPS51144203A (en) 1976-12-11

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