AT293861B - Belichtungssteuerung - Google Patents

Belichtungssteuerung

Info

Publication number
AT293861B
AT293861B AT143167A AT143167A AT293861B AT 293861 B AT293861 B AT 293861B AT 143167 A AT143167 A AT 143167A AT 143167 A AT143167 A AT 143167A AT 293861 B AT293861 B AT 293861B
Authority
AT
Austria
Prior art keywords
exposure control
exposure
control
Prior art date
Application number
AT143167A
Other languages
English (en)
Inventor
Lenard M Metzger
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 AT293861B publication Critical patent/AT293861B/de

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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
    • G01J1/44—Electric circuits

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Diaphragms For Cameras (AREA)
AT143167A 1966-02-14 1967-02-14 Belichtungssteuerung AT293861B (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US52717166A 1966-02-14 1966-02-14
US57344166A 1966-07-28 1966-07-28

Publications (1)

Publication Number Publication Date
AT293861B true AT293861B (de) 1971-10-25

Family

ID=27062348

Family Applications (1)

Application Number Title Priority Date Filing Date
AT143167A AT293861B (de) 1966-02-14 1967-02-14 Belichtungssteuerung

Country Status (5)

Country Link
AT (1) AT293861B (de)
BE (1) BE693570A (de)
CH (1) CH453066A (de)
GB (1) GB1139286A (de)
SE (1) SE324506B (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4297011A (en) 1979-05-10 1981-10-27 Rollei Of America, Inc. Photoflash device

Also Published As

Publication number Publication date
CH453066A (fr) 1968-05-31
SE324506B (de) 1970-06-01
GB1139286A (en) 1969-01-08
BE693570A (de) 1967-07-17

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Legal Events

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