FR2203530A5 - - Google Patents

Info

Publication number
FR2203530A5
FR2203530A5 FR7336812A FR7336812A FR2203530A5 FR 2203530 A5 FR2203530 A5 FR 2203530A5 FR 7336812 A FR7336812 A FR 7336812A FR 7336812 A FR7336812 A FR 7336812A FR 2203530 A5 FR2203530 A5 FR 2203530A5
Authority
FR
France
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
Application number
FR7336812A
Other languages
French (fr)
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.)
Eastman Kodak Co
Original Assignee
Eastman Kodak Co
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 Eastman Kodak Co filed Critical Eastman Kodak Co
Application granted granted Critical
Publication of FR2203530A5 publication Critical patent/FR2203530A5/fr
Expired 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)
  • General Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)
FR7336812A 1972-10-16 1973-10-16 Expired FR2203530A5 (de)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
FR2203530A5 true FR2203530A5 (de) 1974-05-10

Family

ID=23148749

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7336812A Expired FR2203530A5 (de) 1972-10-16 1973-10-16

Country Status (3)

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

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2601255A1 (fr) * 1986-07-10 1988-01-15 Mori Kei Dispositif d'irradiation d'energie de rayons solaires, destine a des traitements medicaux.
FR2605423A1 (fr) * 1986-07-10 1988-04-22 Mori Kei Dispositif d'irradiation de rayons lumineux
EP0578827A1 (de) * 1992-01-30 1994-01-19 Nippon Hoso Kyokai Flüssigkristall-lichtregelplatte und beleuchtungsvorrichtung, die diese benutzt
US5631665A (en) * 1992-11-13 1997-05-20 Nippon Hoso Kyokai Liquid crystal device, driving method thereof, liquid crystal apparatus, and illumination apparatus

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2601255A1 (fr) * 1986-07-10 1988-01-15 Mori Kei Dispositif d'irradiation d'energie de rayons solaires, destine a des traitements medicaux.
FR2605423A1 (fr) * 1986-07-10 1988-04-22 Mori Kei Dispositif d'irradiation de rayons lumineux
EP0578827A1 (de) * 1992-01-30 1994-01-19 Nippon Hoso Kyokai Flüssigkristall-lichtregelplatte und beleuchtungsvorrichtung, die diese benutzt
EP0578827A4 (de) * 1992-01-30 1995-06-21 Japan Broadcasting Corp Flüssigkristall-lichtregelplatte und beleuchtungsvorrichtung, die diese benutzt.
US5764316A (en) * 1992-01-30 1998-06-09 Nippon Hoso Kyokai Liquid crystal dimmer plate and lighting system including the same
US5631665A (en) * 1992-11-13 1997-05-20 Nippon Hoso Kyokai Liquid crystal device, driving method thereof, liquid crystal apparatus, and illumination apparatus

Also Published As

Publication number Publication date
DE2351690A1 (de) 1974-04-18
JPS4974933A (de) 1974-07-19

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Legal Events

Date Code Title Description
ST Notification of lapse