JPS5242133A - Exposure controller - Google Patents

Exposure controller

Info

Publication number
JPS5242133A
JPS5242133A JP51112833A JP11283376A JPS5242133A JP S5242133 A JPS5242133 A JP S5242133A JP 51112833 A JP51112833 A JP 51112833A JP 11283376 A JP11283376 A JP 11283376A JP S5242133 A JPS5242133 A JP S5242133A
Authority
JP
Japan
Prior art keywords
exposure controller
exposure
controller
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.)
Pending
Application number
JP51112833A
Other languages
English (en)
Japanese (ja)
Inventor
Jiei Aaso Chiyaaruzu
Ei Deia Geerii
Ii Kootonee Jiyon
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 JPS5242133A publication Critical patent/JPS5242133A/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/04—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material
    • G03G15/043—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material with means for controlling illumination or exposure
    • G03G15/0435—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material with means for controlling illumination or exposure by introducing an optical element in the optical path, e.g. a filter
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1343—Electrodes
    • G02F1/134309—Electrodes characterised by their geometrical arrangement

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Geometry (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
JP51112833A 1975-09-26 1976-09-20 Exposure controller Pending JPS5242133A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US61696175A 1975-09-26 1975-09-26

Publications (1)

Publication Number Publication Date
JPS5242133A true JPS5242133A (en) 1977-04-01

Family

ID=24471704

Family Applications (1)

Application Number Title Priority Date Filing Date
JP51112833A Pending JPS5242133A (en) 1975-09-26 1976-09-20 Exposure controller

Country Status (4)

Country Link
JP (1) JPS5242133A (fr)
BE (1) BE846573A (fr)
FR (1) FR2325954A1 (fr)
SE (1) SE7610411L (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2454638A1 (fr) * 1979-04-17 1980-11-14 Angenieux P Ets Diaphragme a ouverture variable pour des instruments optiques tels que cameras et appareils photographiques
GB8618345D0 (en) * 1986-07-28 1986-09-03 Purvis A Optical components
US6437762B1 (en) 1995-01-11 2002-08-20 William A. Birdwell Dynamic diffractive optical transform

Also Published As

Publication number Publication date
BE846573A (fr) 1977-01-17
FR2325954A1 (fr) 1977-04-22
SE7610411L (sv) 1977-03-27
FR2325954B3 (fr) 1979-06-01

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