DE3586008D1 - Prismensystem und vorrichtung zur verarbeitung optischer informationen. - Google Patents

Prismensystem und vorrichtung zur verarbeitung optischer informationen.

Info

Publication number
DE3586008D1
DE3586008D1 DE8585101445T DE3586008T DE3586008D1 DE 3586008 D1 DE3586008 D1 DE 3586008D1 DE 8585101445 T DE8585101445 T DE 8585101445T DE 3586008 T DE3586008 T DE 3586008T DE 3586008 D1 DE3586008 D1 DE 3586008D1
Authority
DE
Germany
Prior art keywords
optical information
prism system
processing optical
prism
processing
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
DE8585101445T
Other languages
English (en)
Inventor
Akira Arimoto
Shigeru Nakamura
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.)
Ricoh Printing Systems 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 JP59045135A external-priority patent/JPS60189702A/ja
Priority claimed from JP8790284A external-priority patent/JPS60232527A/ja
Application filed by Hitachi Ltd, Hitachi Koki Co Ltd filed Critical Hitachi Ltd
Application granted granted Critical
Publication of DE3586008D1 publication Critical patent/DE3586008D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
    • G02B27/0938—Using specific optical elements
    • G02B27/095—Refractive optical elements
    • G02B27/0972—Prisms
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B17/00—Systems with reflecting surfaces, with or without refracting elements
    • G02B17/02—Catoptric systems, e.g. image erecting and reversing system
    • G02B17/04—Catoptric systems, e.g. image erecting and reversing system using prisms only
    • 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
    • G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
    • 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
    • G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
    • G02B27/0911—Anamorphotic 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
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1356—Double or multiple prisms, i.e. having two or more prisms in cooperation
    • 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
    • G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1359—Single prisms
    • 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
    • G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1398—Means for shaping the cross-section of the beam, e.g. into circular or elliptical cross-section

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Head (AREA)
  • Optical Elements Other Than Lenses (AREA)
DE8585101445T 1984-03-09 1985-02-11 Prismensystem und vorrichtung zur verarbeitung optischer informationen. Expired - Lifetime DE3586008D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP59045135A JPS60189702A (ja) 1984-03-09 1984-03-09 プリズム光学系およびそれを用いた情報装置
JP8790284A JPS60232527A (ja) 1984-05-02 1984-05-02 プリズム光学系およびそれを用いた光学的情報処理装置

Publications (1)

Publication Number Publication Date
DE3586008D1 true DE3586008D1 (de) 1992-06-17

Family

ID=26385091

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585101445T Expired - Lifetime DE3586008D1 (de) 1984-03-09 1985-02-11 Prismensystem und vorrichtung zur verarbeitung optischer informationen.

Country Status (3)

Country Link
US (1) US4770507A (de)
EP (1) EP0156141B1 (de)
DE (1) DE3586008D1 (de)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0693044B2 (ja) * 1985-03-22 1994-11-16 株式会社日立製作所 プリズム光学系及びそれを用いた情報装置
JPS6246401U (de) * 1985-09-07 1987-03-20
US4872747A (en) * 1987-04-15 1989-10-10 Cyberoptics Corporation Use of prisms to obtain anamorphic magnification
EP0310711B1 (de) * 1987-10-05 1993-09-01 Hitachi, Ltd. Optischer Aufbau mit einer phasenstarr gekoppelten Laserdiodenzeile
US5289313A (en) * 1988-09-28 1994-02-22 Canon Kabushiki Kaisha Optical head using semiconductor laser array as light source
US4973112A (en) * 1988-12-01 1990-11-27 Holotek Ltd. Hologon deflection system having dispersive optical elements for scan line bow correction, wavelength shift correction and scanning spot ellipticity correction
JPH0338984A (ja) * 1989-07-05 1991-02-20 Pioneer Electron Corp 投射型表示装置
US5153768A (en) * 1990-03-08 1992-10-06 Xerox Corporation Multiple wavelength, multiple diode laser ROS
JPH0422913A (ja) * 1990-05-18 1992-01-27 Nikon Corp 色消ビーム整形光学系
CA2058254A1 (en) * 1991-01-15 1992-07-16 John Francis Kingston Benzodioxole derivatives
US5568315A (en) * 1991-05-28 1996-10-22 Discovision Associates Optical beamsplitter
US5331622A (en) * 1991-05-28 1994-07-19 Applied Magnetics Corporation Compact optical head
US5477386A (en) * 1991-07-24 1995-12-19 Asahi Kogaku Kogyo Kabushiki Kaisha Optical system for optical disc apparatus including anamorphic prisms
US5155633A (en) * 1991-07-30 1992-10-13 Applied Magnetics Corporation Anamorphic achromatic prism for optical disk heads
US5208456A (en) * 1991-08-19 1993-05-04 Xerox Corporation Apparatus and system for spot position control in an optical output device employing a variable wavelength light source
US5227910A (en) * 1992-03-27 1993-07-13 Khattak Anwar S High resolution laser beam scanner and method for operation thereof
US5311496A (en) * 1992-11-13 1994-05-10 Hyundai Electronics America Achromatic expansion prism for magneto-optical drive
JP3545028B2 (ja) * 1993-02-05 2004-07-21 株式会社リコー 光ピックアップ装置
TW239211B (en) * 1993-04-02 1995-01-21 Hyundai Electronics America Electromagnetic lens actuator for optical disk drive
US5383047A (en) * 1993-06-22 1995-01-17 Xerox Corporation Ros bow compensation
US5596456A (en) * 1994-02-25 1997-01-21 New Focus, Inc. Achromatic anamorphic prism pair
KR0144427B1 (ko) * 1994-11-30 1998-10-01 이형도 광 주사장치
US6038089A (en) * 1996-05-14 2000-03-14 Asahi Kogaku Kogyo Kabushiki Kaisha Beam shaping optical system
US5818645A (en) * 1996-07-16 1998-10-06 Management Graphics, Inc. Multimode optical source and image scanning apparatus using the same
US6128119A (en) * 1997-01-10 2000-10-03 Asahi Kogaku Kogyo Kabushiki Kaisha Beam shaping optical system
US5949523A (en) * 1997-09-16 1999-09-07 Lifetouch Portrait Studios, Inc. High speed package printer
DE19911419A1 (de) 1998-03-16 1999-10-14 Cyberoptics Corp Digitales Bereichssensorsystem
AU2003259476A1 (en) * 2002-09-19 2004-04-08 Koninklijke Philips Electronics N.V. Optical scanning device
US6964484B2 (en) * 2004-02-02 2005-11-15 Hewlett-Packard Development Company, L.P. Overfill reduction for an optical modulator

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2792751A (en) * 1953-10-27 1957-05-21 Taylor Taylor & Hobson Ltd Refracting compound prism anamorphotic optical systems
US2780140A (en) * 1955-03-31 1957-02-05 Eastman Kodak Co Prism zoom system having deviation correcting means
US2855819A (en) * 1955-09-01 1958-10-14 Eastman Kodak Co Composite prisms and prismatic magnification systems comprising same
US4017160A (en) * 1975-09-19 1977-04-12 Minnesota Mining And Manufacturing Company Continuously variable anamorphic lens
US4084881A (en) * 1975-10-21 1978-04-18 Canon Kabushiki Kaisha Light beam scanning device
US4203652A (en) * 1977-02-15 1980-05-20 Canon Kabushiki Kaisha Beam shaping optical system
US4333173A (en) * 1979-06-15 1982-06-01 Hitachi, Ltd. Optical information processor with prismatic correction of laser beam shape

Also Published As

Publication number Publication date
EP0156141B1 (de) 1992-05-13
EP0156141A2 (de) 1985-10-02
US4770507A (en) 1988-09-13
EP0156141A3 (en) 1988-03-02

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: HITACHI PRINTING SOLUTIONS, LTD., EBINA, KANAGAWA,

Owner name: HITACHI, LTD., TOKIO/TOKYO, JP