JPS4974933A - - Google Patents

Info

Publication number
JPS4974933A
JPS4974933A JP11540473A JP11540473A JPS4974933A JP S4974933 A JPS4974933 A JP S4974933A JP 11540473 A JP11540473 A JP 11540473A JP 11540473 A JP11540473 A JP 11540473A JP S4974933 A JPS4974933 A JP S4974933A
Authority
JP
Japan
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
JP11540473A
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 filed Critical
Publication of JPS4974933A publication Critical patent/JPS4974933A/ja
Pending legal-status Critical Current

Links

Classifications

    • 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
    • G02F1/1313—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 specially adapted for a particular application
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B7/00—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
    • G03B7/16—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly in accordance with both the intensity of the flash source and the distance of the flash source from the object, e.g. in accordance with the "guide number" of the flash bulb and the focusing of the camera

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)
JP11540473A 1972-10-16 1973-10-16 Pending JPS4974933A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US29803772A 1972-10-16 1972-10-16

Publications (1)

Publication Number Publication Date
JPS4974933A true JPS4974933A (ja) 1974-07-19

Family

ID=23148749

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11540473A Pending JPS4974933A (ja) 1972-10-16 1973-10-16

Country Status (3)

Country Link
JP (1) JPS4974933A (ja)
DE (1) DE2351690A1 (ja)
FR (1) FR2203530A5 (ja)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6319163A (ja) * 1986-07-10 1988-01-26 森　敬 太陽光エネルギ−照射治療装置
JPS6318305A (ja) * 1986-07-10 1988-01-26 Takashi Mori 光照射装置
US5764316A (en) * 1992-01-30 1998-06-09 Nippon Hoso Kyokai Liquid crystal dimmer plate and lighting system including the same
JP2991577B2 (ja) * 1992-11-13 1999-12-20 日本放送協会 液晶素子の駆動方法、液晶装置および照明装置

Also Published As

Publication number Publication date
DE2351690A1 (de) 1974-04-18
FR2203530A5 (ja) 1974-05-10

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