JPH0338571B2 - - Google Patents

Info

Publication number
JPH0338571B2
JPH0338571B2 JP56060499A JP6049981A JPH0338571B2 JP H0338571 B2 JPH0338571 B2 JP H0338571B2 JP 56060499 A JP56060499 A JP 56060499A JP 6049981 A JP6049981 A JP 6049981A JP H0338571 B2 JPH0338571 B2 JP H0338571B2
Authority
JP
Japan
Prior art keywords
scanning
optical
light beam
magnification
modulator
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
JP56060499A
Other languages
English (en)
Japanese (ja)
Other versions
JPS56167120A (en
Inventor
Bui Jonson Richaado
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.)
Xerox Corp
Original Assignee
Xerox Corp
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 Xerox Corp filed Critical Xerox Corp
Publication of JPS56167120A publication Critical patent/JPS56167120A/ja
Publication of JPH0338571B2 publication Critical patent/JPH0338571B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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
    • H04N1/40—Picture signal circuits
    • H04N1/40025—Circuits exciting or modulating particular heads for reproducing continuous tone value scales
    • H04N1/40037—Circuits exciting or modulating particular heads for reproducing continuous tone value scales the reproducing element being a laser
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • 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
    • H04N1/024—Details of scanning heads ; Means for illuminating the original
    • H04N1/032—Details of scanning heads ; Means for illuminating the original for picture information reproduction
    • H04N1/036—Details of scanning heads ; Means for illuminating the original for picture information reproduction for optical reproduction

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Fax Reproducing Arrangements (AREA)
  • Mechanical Optical Scanning Systems (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Combination Of More Than One Step In Electrophotography (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Dot-Matrix Printers And Others (AREA)
  • Laser Beam Printer (AREA)
  • Control Or Security For Electrophotography (AREA)
  • Facsimile Scanning Arrangements (AREA)
JP6049981A 1980-04-28 1981-04-21 Optical data recorder Granted JPS56167120A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/144,759 US4357627A (en) 1980-04-28 1980-04-28 Method and apparatus for improving resolution of scophony scanning system utilizing carrier phase reversal

Publications (2)

Publication Number Publication Date
JPS56167120A JPS56167120A (en) 1981-12-22
JPH0338571B2 true JPH0338571B2 (en, 2012) 1991-06-11

Family

ID=22510007

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6049981A Granted JPS56167120A (en) 1980-04-28 1981-04-21 Optical data recorder

Country Status (2)

Country Link
US (1) US4357627A (en, 2012)
JP (1) JPS56167120A (en, 2012)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4670869A (en) * 1984-01-03 1987-06-02 Magnetic Peripherals Inc. Switching laser beam apparatus with recombined beam for recording
JPS61128218A (ja) * 1984-11-28 1986-06-16 Ricoh Co Ltd ２枚玉ｆθレンズ
JPS61156020A (ja) * 1984-12-28 1986-07-15 Ricoh Co Ltd ポストオブジエクテイブ型光偏向器
JPS61172109A (ja) * 1985-01-25 1986-08-02 Ricoh Co Ltd 光走査装置用ｆθレンズ
JPS61175616A (ja) * 1985-01-30 1986-08-07 Ricoh Co Ltd 偏向光ビ−ム用レンズ系
US4868678A (en) * 1986-03-28 1989-09-19 Victor Company Of Japan, Ltd. Apparatus for recording a video signal of consecutive fields on a pair of separated tracks
JPS62227282A (ja) * 1986-03-28 1987-10-06 Victor Co Of Japan Ltd 複合映像信号の駒撮り記録装置
US4686542A (en) * 1986-04-03 1987-08-11 Xerox Corporation High speed, high resolution raster output scanner
US4814636A (en) * 1987-12-09 1989-03-21 Xerox Corporation Full pixel pulse stretching for phase reversal scophony transmission
US5196949A (en) * 1990-10-10 1993-03-23 Xerox Corporation Vestigial sideband scophony imaging modulator
JPH05142490A (ja) * 1991-11-25 1993-06-11 Fuji Xerox Co Ltd 非線形周波数特性を有するレーザ走査光学系
US5263128A (en) * 1991-11-27 1993-11-16 Xerox Corporation Method and apparatus for beat elimination for an RF signal modulated with a pulsed signal of similar frequency
US5463493A (en) * 1993-01-19 1995-10-31 Mvm Electronics Acousto-optic polychromatic light modulator
US6072518A (en) * 1997-05-21 2000-06-06 Creo Products Inc. Method for rapid imaging of thermographic materials by extending exposure time in a single beam laser scanner
USRE37376E1 (en) * 1996-08-16 2001-09-18 Creo Products Inc. Method for rapid imaging of thermographic materials by extending exposure time in a single beam laser scanner
US6144482A (en) * 1997-11-14 2000-11-07 Neos Technologies, Inc. Acousto-optic modulator for selective extraction of one or more wavelengths from randomly polarized polychromatic light beam
US6204875B1 (en) 1998-10-07 2001-03-20 Barco Graphics, Nv Method and apparatus for light modulation and exposure at high exposure levels with high resolution
CA2372452A1 (en) * 1999-05-07 2000-11-30 Derek G. Montgomery Internal drum scophony raster recording device
US20060056010A1 (en) * 2004-09-13 2006-03-16 Applied Materials,Inc. Compact AOM transducer array for use with phase shift imaging

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3391255A (en) * 1962-05-16 1968-07-02 Minnesota Mining & Mfg Transducing system
GB1026719A (en) * 1963-04-20 1966-04-20 Alvin Maynard Slaton Magnetic recording and playback system
US3514534A (en) * 1966-12-09 1970-05-26 Zenith Radio Corp Wide-aperture laser beam modulating and scanning system
US3922485A (en) * 1972-11-27 1975-11-25 Xerox Corp Flying spot scanner with scan detection
US3938881A (en) * 1974-11-25 1976-02-17 Xerox Corporation Acousto-optic modulation device
US4205350A (en) * 1977-03-10 1980-05-27 Xerox Corporation Reproduction scanning system having intermediate storage between input and output scanning stations
US4170028A (en) * 1977-04-06 1979-10-02 Xerox Corporation Facet tracking in laser scanning
US4213158A (en) * 1978-06-28 1980-07-15 Xerox Corporation Optical data recording system utilizing acoustic pulse imaging to minimize image blur
JPS6155659A (ja) * 1984-08-27 1986-03-20 Ricoh Co Ltd 多色画像形成方法

Also Published As

Publication number Publication date
US4357627A (en) 1982-11-02
JPS56167120A (en) 1981-12-22

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