FR999524A - Camera shutter aperture time evaluator - Google Patents

Camera shutter aperture time evaluator

Info

Publication number
FR999524A
FR999524A FR999524DA FR999524A FR 999524 A FR999524 A FR 999524A FR 999524D A FR999524D A FR 999524DA FR 999524 A FR999524 A FR 999524A
Authority
FR
France
Prior art keywords
camera shutter
aperture time
shutter aperture
time evaluator
evaluator
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
Other languages
French (fr)
Inventor
Charles-Philippe Fremiot
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
Application granted granted Critical
Publication of FR999524A publication Critical patent/FR999524A/en
Expired legal-status Critical Current

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
    • G03B43/00—Testing correct operation of photographic apparatus or parts thereof
    • G03B43/02—Testing shutters

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR999524D 1949-11-02 1949-11-02 Camera shutter aperture time evaluator Expired FR999524A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR999524T 1949-11-02

Publications (1)

Publication Number Publication Date
FR999524A true FR999524A (en) 1952-02-01

Family

ID=9559792

Family Applications (1)

Application Number Title Priority Date Filing Date
FR999524D Expired FR999524A (en) 1949-11-02 1949-11-02 Camera shutter aperture time evaluator

Country Status (1)

Country Link
FR (1) FR999524A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103034043A (en) * 2012-12-21 2013-04-10 中国科学院长春光学精密机械与物理研究所 Curtain type shutter exposure uniformity detection device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103034043A (en) * 2012-12-21 2013-04-10 中国科学院长春光学精密机械与物理研究所 Curtain type shutter exposure uniformity detection device
CN103034043B (en) * 2012-12-21 2015-04-22 中国科学院长春光学精密机械与物理研究所 Curtain type shutter exposure uniformity detection device

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