AT343377B - Belichtungsmesser fur photographische aufnahmen - Google Patents

Belichtungsmesser fur photographische aufnahmen

Info

Publication number
AT343377B
AT343377B AT422274A AT422274A AT343377B AT 343377 B AT343377 B AT 343377B AT 422274 A AT422274 A AT 422274A AT 422274 A AT422274 A AT 422274A AT 343377 B AT343377 B AT 343377B
Authority
AT
Austria
Prior art keywords
photographical
recordings
exposure meter
meter
exposure
Prior art date
Application number
AT422274A
Other languages
English (en)
Other versions
ATA422274A (de
Inventor
Marc Niederhauser
Pierre Hugenot
Original Assignee
Bolex Int Sa
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 Bolex Int Sa filed Critical Bolex Int Sa
Publication of ATA422274A publication Critical patent/ATA422274A/de
Application granted granted Critical
Publication of AT343377B publication Critical patent/AT343377B/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
    • G03B17/00—Details of cameras or camera bodies; Accessories therefor
    • G03B17/18—Signals indicating condition of a camera member or suitability of light
    • G03B17/20—Signals indicating condition of a camera member or suitability of light visible in viewfinder
    • 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)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
AT422274A 1973-12-11 1974-05-21 Belichtungsmesser fur photographische aufnahmen AT343377B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1741473A CH574618A5 (de) 1973-12-11 1973-12-11

Publications (2)

Publication Number Publication Date
ATA422274A ATA422274A (de) 1977-09-15
AT343377B true AT343377B (de) 1978-05-26

Family

ID=4425240

Family Applications (1)

Application Number Title Priority Date Filing Date
AT422274A AT343377B (de) 1973-12-11 1974-05-21 Belichtungsmesser fur photographische aufnahmen

Country Status (6)

Country Link
US (1) US4023910A (de)
JP (1) JPS5159677A (de)
AT (1) AT343377B (de)
CH (1) CH574618A5 (de)
DE (1) DE2458328A1 (de)
FR (1) FR2254019B1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4162830A (en) * 1977-04-07 1979-07-31 American Optical Corporation Video photographic system
US4636072A (en) * 1983-09-06 1987-01-13 National Service Industries, Inc. Method and apparatus for improved photometric testing of high intensity discharge lamps and luminaires
US4965548A (en) * 1989-02-09 1990-10-23 Banner Engineering Corp. Level indicator with alarm

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3597095A (en) * 1966-06-15 1971-08-03 Ricoh Kk Photographic exposure meter
CH467445A (de) * 1967-02-25 1969-01-15 Gossen & Co Gmbh P Fotoelektrischer Belichtungsmesser
DE1572660B2 (de) * 1967-06-06 1971-12-02 Gossen Gmbh, 8520 Erlangen Elektronischer belichtungsmesser
DE1623705B2 (de) * 1967-06-16 1971-09-30 Anzeigevorrichtung fuer nullinstrumente
US3638114A (en) * 1969-12-31 1972-01-25 Nasa Split range transducer

Also Published As

Publication number Publication date
JPS5159677A (de) 1976-05-24
US4023910A (en) 1977-05-17
FR2254019A1 (de) 1975-07-04
FR2254019B1 (de) 1979-04-27
ATA422274A (de) 1977-09-15
DE2458328A1 (de) 1975-06-12
CH574618A5 (de) 1976-04-15

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