FR747697A - Obturateur photographique - Google Patents

Obturateur photographique

Info

Publication number
FR747697A
FR747697A FR747697DA FR747697A FR 747697 A FR747697 A FR 747697A FR 747697D A FR747697D A FR 747697DA FR 747697 A FR747697 A FR 747697A
Authority
FR
France
Prior art keywords
photographic shutter
photographic
shutter
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
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hittech Prontor GmbH
Original Assignee
Alfred 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 Alfred Gauthier GmbH filed Critical Alfred Gauthier GmbH
Application granted granted Critical
Publication of FR747697A publication Critical patent/FR747697A/fr
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
    • G03B9/00—Exposure-making shutters; Diaphragms
    • G03B9/58—Means for varying duration of "open" period of shutter

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR747697D 1931-12-18 1932-12-17 Obturateur photographique Expired FR747697A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE747697X 1931-12-18

Publications (1)

Publication Number Publication Date
FR747697A true FR747697A (fr) 1933-06-22

Family

ID=6648694

Family Applications (1)

Application Number Title Priority Date Filing Date
FR747697D Expired FR747697A (fr) 1931-12-18 1932-12-17 Obturateur photographique

Country Status (1)

Country Link
FR (1) FR747697A (fr)

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