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AT292457B - Device in cinematographic cameras for switching on the control or regulating circuit of the lens diaphragm - Google Patents

Device in cinematographic cameras for switching on the control or regulating circuit of the lens diaphragm

Info

Publication number
AT292457B
AT292457B AT1066868A AT1066868A AT292457B AT 292457 B AT292457 B AT 292457B AT 1066868 A AT1066868 A AT 1066868A AT 1066868 A AT1066868 A AT 1066868A AT 292457 B AT292457 B AT 292457B
Authority
AT
Austria
Prior art keywords
switching
control
regulating circuit
lens diaphragm
cinematographic cameras
Prior art date
Application number
AT1066868A
Other languages
German (de)
Inventor
Wilhelm Schaefer
Arthur Kessler
Wilhelm Dr Loh
Original Assignee
Leitz Ernst 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 Leitz Ernst Gmbh filed Critical Leitz Ernst Gmbh
Application granted granted Critical
Publication of AT292457B publication Critical patent/AT292457B/en

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
    • G03B7/085—Analogue circuits for control of aperture

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Exposure Control For Cameras (AREA)
  • Camera Bodies And Camera Details Or Accessories (AREA)
AT1066868A 1968-02-02 1968-10-31 Device in cinematographic cameras for switching on the control or regulating circuit of the lens diaphragm AT292457B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19681622223 DE1622223B2 (en) 1968-02-02 1968-02-02 SWITCH-ON DEVICE FOR THE IRIS REGULATOR IN KINEMATOGRAPHIC CAMERAS

Publications (1)

Publication Number Publication Date
AT292457B true AT292457B (en) 1971-08-25

Family

ID=5682622

Family Applications (1)

Application Number Title Priority Date Filing Date
AT1066868A AT292457B (en) 1968-02-02 1968-10-31 Device in cinematographic cameras for switching on the control or regulating circuit of the lens diaphragm

Country Status (3)

Country Link
AT (1) AT292457B (en)
CH (1) CH480653A (en)
DE (1) DE1622223B2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108698422B (en) 2016-01-18 2020-08-14 菲尼克斯电气公司 Method and apparatus for marking electrical components

Also Published As

Publication number Publication date
CH480653A (en) 1969-10-31
DE1622223B2 (en) 1972-03-30
DE1622223A1 (en) 1970-10-29

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee