CH545978A - - Google Patents

Info

Publication number
CH545978A
CH545978A CH928072A CH545978DA CH545978A CH 545978 A CH545978 A CH 545978A CH 928072 A CH928072 A CH 928072A CH 545978D A CH545978D A CH 545978DA CH 545978 A CH545978 A CH 545978A
Authority
CH
Switzerland
Application number
CH928072A
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 CH545978A publication Critical patent/CH545978A/xx

Links

Classifications

    • 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
    • G03B7/08—Control effected solely on the basis of the response, to the intensity of the light received by the camera, of a built-in light-sensitive device
    • G03B7/081—Analogue circuits
    • G03B7/083—Analogue circuits for control of exposure time
    • 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
    • G03B9/00—Exposure-making shutters; Diaphragms
    • G03B9/58—Means for varying duration of "open" period of shutter

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Exposure Control For Cameras (AREA)
  • Control Of Exposure In Printing And Copying (AREA)
  • X-Ray Techniques (AREA)
  • Stroboscope Apparatuses (AREA)
  • Shutter-Related Mechanisms (AREA)
CH928072A 1971-10-07 1972-06-21 CH545978A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US18733171A 1971-10-07 1971-10-07

Publications (1)

Publication Number Publication Date
CH545978A true CH545978A (xx) 1974-02-15

Family

ID=22688539

Family Applications (1)

Application Number Title Priority Date Filing Date
CH928072A CH545978A (xx) 1971-10-07 1972-06-21

Country Status (7)

Country Link
US (1) US3711721A (xx)
JP (1) JPS5522769B2 (xx)
AT (1) AT327680B (xx)
CA (1) CA976400A (xx)
CH (1) CH545978A (xx)
FR (1) FR2155584A5 (xx)
GB (1) GB1409315A (xx)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4963430A (xx) * 1972-10-17 1974-06-19
US3882510A (en) * 1972-10-06 1975-05-06 Asahi Optical Co Ltd Oscillation systems for control of camera shutters
DE2434995A1 (de) * 1974-07-20 1976-02-05 Agfa Gevaert Ag Fotografische kamera mit einer elektronischen belichtungssteuerung
US4264163A (en) * 1979-01-29 1981-04-28 Eastman Kodak Company Exposure control apparatus with compensation for film reciprocity failure
JPS5652731A (en) * 1979-10-05 1981-05-12 Olympus Optical Co Ltd Camera
JPS5789748A (en) * 1980-11-25 1982-06-04 Dainippon Screen Mfg Co Ltd Exposure time controlling method of picture copying device
JPS58175535U (ja) * 1982-05-19 1983-11-24 コニカ株式会社 Ｃｒｔ画像撮影装置
JPS5986037A (ja) * 1982-11-08 1984-05-18 Fuji Photo Film Co Ltd 写真焼付露光量制御装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB864320A (en) * 1957-11-07 1961-04-06 Zeiss Stiftung Automatic photo-electric exposure control device

Also Published As

Publication number Publication date
FR2155584A5 (xx) 1973-05-18
DE2228829B2 (de) 1975-05-28
AT327680B (de) 1976-02-10
US3711721A (en) 1973-01-16
CA976400A (en) 1975-10-21
ATA561072A (de) 1975-04-15
DE2228829A1 (de) 1973-04-12
GB1409315A (en) 1975-10-08
JPS4846329A (xx) 1973-07-02
JPS5522769B2 (xx) 1980-06-19

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Legal Events

Date Code Title Description
PUE Assignment

Owner name: WARNER LAMBERT TECHNOLOGIES, INC.

PL Patent ceased