DE3445751C2 - - Google Patents

Info

Publication number
DE3445751C2
DE3445751C2 DE3445751A DE3445751A DE3445751C2 DE 3445751 C2 DE3445751 C2 DE 3445751C2 DE 3445751 A DE3445751 A DE 3445751A DE 3445751 A DE3445751 A DE 3445751A DE 3445751 C2 DE3445751 C2 DE 3445751C2
Authority
DE
Germany
Prior art keywords
light
segments
output signals
laser diodes
sum
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 - Fee Related
Application number
DE3445751A
Other languages
German (de)
English (en)
Other versions
DE3445751A1 (de
DE3445751C3 (de
Inventor
Akira Musashimurayama Tokio/Tokyo Jp Arimoto
Susumu Hachioji Tokio/Tokyo Jp Saito
Kimio Kokubunji Tokio/Tokyo Jp Tatsuno
Keiji Kawagoe Saitama Jp Kataoka
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.)
Koki Holdings Co Ltd
Hitachi Ltd
Original Assignee
Hitachi Ltd
Hitachi Koki Co 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
Priority claimed from JP58234245A external-priority patent/JPS60126620A/ja
Priority claimed from JP59021812A external-priority patent/JPS60166916A/ja
Application filed by Hitachi Ltd, Hitachi Koki Co Ltd filed Critical Hitachi Ltd
Publication of DE3445751A1 publication Critical patent/DE3445751A1/de
Application granted granted Critical
Publication of DE3445751C2 publication Critical patent/DE3445751C2/de
Publication of DE3445751C3 publication Critical patent/DE3445751C3/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/10—Beam splitting or combining systems
    • G02B27/108—Beam splitting or combining systems for sampling a portion of a beam or combining a small beam in a larger one, e.g. wherein the area ratio or power ratio of the divided beams significantly differs from unity, without spectral selectivity
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/10—Beam splitting or combining systems
    • G02B27/1086—Beam splitting or combining systems operating by diffraction only
    • G02B27/1093—Beam splitting or combining systems operating by diffraction only for use with monochromatic radiation only, e.g. devices for splitting a single laser source
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/10—Beam splitting or combining systems
    • G02B27/14—Beam splitting or combining systems operating by reflection only
    • G02B27/144—Beam splitting or combining systems operating by reflection only using partially transparent surfaces without spectral selectivity
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/10—Beam splitting or combining systems
    • G02B27/14—Beam splitting or combining systems operating by reflection only
    • G02B27/145—Beam splitting or combining systems operating by reflection only having sequential partially reflecting surfaces
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/28—Systems for automatic generation of focusing signals
    • G02B7/30—Systems for automatic generation of focusing signals using parallactic triangle with a base line
    • G02B7/32—Systems for automatic generation of focusing signals using parallactic triangle with a base line using active means, e.g. light emitter
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K15/00—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers
    • G06K15/02—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers
    • G06K15/12—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers by photographic printing, e.g. by laser printers
    • G06K15/1204—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers by photographic printing, e.g. by laser printers involving the fast moving of an optical beam in the main scanning direction
    • G06K15/1219—Detection, control or error compensation of scanning velocity or position, e.g. synchronisation
    • 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
    • G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
    • G11B7/08547—Arrangements for positioning the light beam only without moving the head, e.g. using static electro-optical elements
    • 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
    • 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
    • G11B7/0946—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 specially adapted for operation during external perturbations not related to the carrier or servo beam, e.g. vibration
    • 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
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • 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
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
    • 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
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/14—Heads, e.g. forming of the optical beam spot or modulation of the optical beam specially adapted to record on, or to reproduce from, more than one track simultaneously
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/005—Optical devices external to the laser cavity, specially adapted for lasers, e.g. for homogenisation of the beam or for manipulating laser pulses, e.g. pulse shaping
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
    • H04N1/047—Detection, control or error compensation of scanning velocity or position
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
    • H04N1/19—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using multi-element arrays

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Electromagnetism (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Signal Processing (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Optical Scanning Systems (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Optical Head (AREA)
DE3445751A 1983-12-14 1984-12-14 Einrichtung zum Halten mehrerer Lichtstrahlen bezüglich einer vorgegebenen optischen Bezugsachse Expired - Fee Related DE3445751C3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP58234245A JPS60126620A (ja) 1983-12-14 1983-12-14 レ−ザビ−ム合成装置
JP59021812A JPS60166916A (ja) 1984-02-10 1984-02-10 光走査装置

Publications (3)

Publication Number Publication Date
DE3445751A1 DE3445751A1 (de) 1985-08-01
DE3445751C2 true DE3445751C2 (pt-PT) 1993-11-18
DE3445751C3 DE3445751C3 (de) 1993-11-18

Family

ID=26358930

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3445751A Expired - Fee Related DE3445751C3 (de) 1983-12-14 1984-12-14 Einrichtung zum Halten mehrerer Lichtstrahlen bezüglich einer vorgegebenen optischen Bezugsachse

Country Status (2)

Country Link
US (1) US4644160A (pt-PT)
DE (1) DE3445751C3 (pt-PT)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4000166A1 (de) * 1990-01-05 1991-07-11 Hell Rudolf Dr Ing Gmbh Verfahren und einrichtung zur korrektur von positionsfehlern eines abgelenkten lichtstrahls
DE19640421A1 (de) * 1996-09-30 1998-04-23 Siemens Ag Optoelektronisches Modul zur bidirektionalen optischen Datenübertragung
US6097521A (en) * 1997-09-26 2000-08-01 Siemens Aktiengesellschaft Optoelectronic module for bidirectional optical data transmission
DE19955383A1 (de) * 1999-10-29 2001-05-03 Orga Kartensysteme Gmbh Verfahren zum Aufbringen von farbigen Informationen auf einen Gegenstand
US6236859B1 (en) 1996-10-23 2001-05-22 Siemens Aktiengesellschaft Method for the location registration of a mobile terminal
US7158145B1 (en) 1999-11-18 2007-01-02 Orga Systems Gmbh Method for applying colored information on an object

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0694215B2 (ja) * 1985-04-24 1994-11-24 株式会社日立製作所 レーザプリンタ装置及びその走査方法
JPS6313015A (ja) * 1986-07-04 1988-01-20 Hitachi Koki Co Ltd 光偏向装置のビ−ム位置制御装置
JP2576542B2 (ja) * 1987-11-16 1997-01-29 ソニー株式会社 光記録情報再生装置
DE3739862A1 (de) * 1987-11-25 1989-06-08 Bosch Gmbh Robert Werkstueckbearbeitungsvorrichtung
KR910009142B1 (ko) * 1988-08-12 1991-10-31 가부시기가이샤 히다찌세이사꾸쇼 복수 광빔의 주사빔 주사간격을 가변으로 하는 제어수단을 구비한 광빔주사장치
US5359434A (en) * 1991-03-26 1994-10-25 Kabushiki Kaisha Toshiba Scanning optical apparatus
US5339300A (en) * 1992-01-24 1994-08-16 Olympus Optical Co., Ltd. Optical data recording apparatus and an optical data recording/reproducing method performing servo control with both a recording light beam and a reproducing light beam
US5272690A (en) * 1992-03-05 1993-12-21 International Business Machines Corporation Hologram element system
DE4220280A1 (de) * 1992-06-20 1993-12-23 Hell Ag Linotype Verfahren und Einrichtung zum zeilenweisen Ablenken einer optischen Strahlung
US5854705A (en) * 1997-01-17 1998-12-29 Xerox Corporation Micropositioned laser source for raster output scanners
CN1192263C (zh) 1998-06-05 2005-03-09 Afn有限责任公司 平面阵列光开关和方法
US6101299A (en) * 1998-06-05 2000-08-08 Astarte Fiber Networks, Inc. Optical switch targeting system
US6097860A (en) * 1998-06-05 2000-08-01 Astarte Fiber Networks, Inc. Compact optical matrix switch with fixed location fibers
US6320993B1 (en) 1998-06-05 2001-11-20 Astarte Fiber Networks, Inc. Optical switch pathway configuration using control signals
US6097858A (en) * 1998-06-05 2000-08-01 Astarte Fiber Networks, Inc. Sensing configuration for fiber optic switch control system
US6456751B1 (en) 2000-04-13 2002-09-24 Calient Networks, Inc. Feedback stabilization of a loss optimized switch
JP2004109204A (ja) * 2002-09-13 2004-04-08 Pentax Corp 走査光学系
GB2402230B (en) * 2003-05-30 2006-05-03 Xsil Technology Ltd Focusing an optical beam to two foci
JP4395340B2 (ja) * 2003-07-15 2010-01-06 Ｈｏｙａ株式会社 走査光学系
WO2006067723A1 (en) * 2004-12-22 2006-06-29 Arima Devices Corporation Optical scanning device with low building height
JP5009557B2 (ja) * 2006-06-21 2012-08-22 株式会社リコー 光走査装置及びそれを備えた画像形成装置
US7664348B2 (en) * 2007-12-21 2010-02-16 Teledyne Scientific & Imaging, Llc Optical switch with reconfigurable broadcasting and combining capabilities
EP2629920A1 (en) * 2010-10-22 2013-08-28 Highcon Ltd Method and apparatus for laser cutting

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE6608565U (de) * 1967-08-25 1971-09-09 Elbe Kamera Gmbh Fassung fuer einen planspiegel.
US3646568A (en) * 1969-04-03 1972-02-29 Rca Corp Beam control system
US3739174A (en) * 1971-01-04 1973-06-12 Bell Telephone Labor Inc Integrating electromagnetic beam position sensor
JPS5538639A (en) * 1978-09-07 1980-03-18 Pioneer Video Corp Servo drawing-in unit for focus lens of optical information reader
JPS5624504A (en) * 1979-08-06 1981-03-09 Canon Inc Photoelectric detector
JPS6021403B2 (ja) * 1979-10-18 1985-05-27 日本ビクター株式会社 光学的記録装置における集光状態の監視装置
DE3046584C2 (de) * 1980-12-11 1984-03-15 Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel Optisch-mechanischer Abtaster
US4567362A (en) * 1982-06-25 1986-01-28 Gretag Aktiengesellschaft Process and apparatus for the focusing of a beam of light on an object

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4000166A1 (de) * 1990-01-05 1991-07-11 Hell Rudolf Dr Ing Gmbh Verfahren und einrichtung zur korrektur von positionsfehlern eines abgelenkten lichtstrahls
DE19640421A1 (de) * 1996-09-30 1998-04-23 Siemens Ag Optoelektronisches Modul zur bidirektionalen optischen Datenübertragung
US6236859B1 (en) 1996-10-23 2001-05-22 Siemens Aktiengesellschaft Method for the location registration of a mobile terminal
US6097521A (en) * 1997-09-26 2000-08-01 Siemens Aktiengesellschaft Optoelectronic module for bidirectional optical data transmission
DE19955383A1 (de) * 1999-10-29 2001-05-03 Orga Kartensysteme Gmbh Verfahren zum Aufbringen von farbigen Informationen auf einen Gegenstand
US7158145B1 (en) 1999-11-18 2007-01-02 Orga Systems Gmbh Method for applying colored information on an object

Also Published As

Publication number Publication date
DE3445751A1 (de) 1985-08-01
US4644160A (en) 1987-02-17
DE3445751C3 (de) 1993-11-18

Similar Documents

Publication Publication Date Title
DE3445751C2 (pt-PT)
DE3035719C2 (pt-PT)
DE2802417C2 (pt-PT)
DE2652790C2 (de) Optisches Lesegerät
DE3137031C2 (de) Mehrfachstrahlenbündel-Abtastoptiksystem
EP0360177B1 (de) Optischer Sende- und/oder Empfangsbaustein
DE3142125C2 (de) Vorrichtung zur Erfassung der Brennpunktlage optischer Vorrichtungen
EP0154865B1 (de) Einrichtung zur Lagekorrektur eines über eine Gelenkoptik geführten Laserstrahls
DE69932017T2 (de) Optisches Abtastgerät und optische Vorrichtung
DE3938639C2 (pt-PT)
DE3942385B4 (de) Beugungsgitter-Verschiebungsmeßgerät
DE3700906A1 (de) Verschluessler
DE2445333A1 (de) Optoelektronisches system zur bestimmung einer abweichung zwischen der istlage und der sollage einer ebene in einem optischen abbildungssystem
EP1373966B1 (de) Strahlformungsvorrichtung, anordnung zur einkopplung eines lichtstrahls in eine lichtleitfaser sowie strahldreheinheit für eine derartige strahlformungsvorrichtung oder eine derartige anordnung
DE3507139C2 (pt-PT)
DE3636336C2 (pt-PT)
DE3722085C2 (pt-PT)
DE69824440T2 (de) Fokusfehlerkorrekturgerät
DE69921739T2 (de) Bildaufzeichnungsgerät
DE3613917A1 (de) Laserdrucker
DE19938869B4 (de) Optisches Verschiebungsmeßsystem
EP0911664A2 (de) Optische Bildaufnahmeeinrichtung und Verfahren zu deren Nutzung
DE3935239A1 (de) Abtastgeraet
DE3404445C2 (de) Optische Aufzeichnungs-/Wiedergabevorrichtung
EP0041660A1 (de) Lese- und Schreibvorrichtung mit einer optischen Abtastvorrichtung

Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8363 Opposition against the patent
8366 Restricted maintained after opposition proceedings
8305 Restricted maintenance of patent after opposition
D4 Patent maintained restricted
8339 Ceased/non-payment of the annual fee