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CH449411A - Photographic camera with electronically controlled exposure time formation - Google Patents

Photographic camera with electronically controlled exposure time formation

Info

Publication number
CH449411A
CH449411A CH1332966A CH1332966A CH449411A CH 449411 A CH449411 A CH 449411A CH 1332966 A CH1332966 A CH 1332966A CH 1332966 A CH1332966 A CH 1332966A CH 449411 A CH449411 A CH 449411A
Authority
CH
Switzerland
Prior art keywords
exposure time
electronically controlled
photographic camera
controlled exposure
time formation
Prior art date
Application number
CH1332966A
Other languages
German (de)
Inventor
Rentschler Waldemar
Original Assignee
Prontor Werk Gauthier Gmbh
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 Prontor Werk Gauthier Gmbh filed Critical Prontor Werk Gauthier Gmbh
Publication of CH449411A publication Critical patent/CH449411A/en

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS 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
    • G03B7/00Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
    • G03B7/08Control 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
    • G03B7/12Control 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 a hand-actuated member moved from one position to another providing the energy to move the setting member, e.g. depression of shutter release button causes a stepped feeler to co-operate with the pointer of the light-sensitive device to set the diaphragm and thereafter release the shutter
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS 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
    • G03B7/00Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
    • G03B7/08Control 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
    • G03B7/081Analogue circuits
    • G03B7/083Analogue circuits for control of exposure time

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Exposure Control For Cameras (AREA)
CH1332966A 1965-10-23 1966-09-15 Photographic camera with electronically controlled exposure time formation CH449411A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEP37945A DE1299217B (en) 1965-10-23 1965-10-23 Photographic camera with electronically controlled exposure time formation

Publications (1)

Publication Number Publication Date
CH449411A true CH449411A (en) 1967-12-31

Family

ID=7375595

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1332966A CH449411A (en) 1965-10-23 1966-09-15 Photographic camera with electronically controlled exposure time formation

Country Status (3)

Country Link
CH (1) CH449411A (en)
DE (1) DE1299217B (en)
GB (1) GB1142994A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5123341Y2 (en) * 1972-07-14 1976-06-15

Also Published As

Publication number Publication date
GB1142994A (en) 1969-02-12
DE1299217B (en) 1969-07-10

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