FR510883A - Obturateur photographique - Google Patents

Obturateur photographique

Info

Publication number
FR510883A
FR510883A FR510883A FR510883DA FR510883A FR 510883 A FR510883 A FR 510883A FR 510883 A FR510883 A FR 510883A FR 510883D A FR510883D A FR 510883DA FR 510883 A FR510883 A FR 510883A
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
FR510883A
Other languages
English (en)
Inventor
Henri-Raymond Ponton
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.)
HENRI-RAYMOND PONTON
Original Assignee
HENRI-RAYMOND PONTON
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 HENRI-RAYMOND PONTON filed Critical HENRI-RAYMOND PONTON
Application granted granted Critical
Publication of FR510883A publication Critical patent/FR510883A/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
    • G03B9/08—Shutters
    • G03B9/28—Roller blind or flexible plate
    • G03B9/32—Double blind
    • G03B9/34—Double blind with adjustable slot; with mechanism controlling relative movement of blinds to form slot

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR510883A 1920-03-01 1920-03-01 Obturateur photographique Expired FR510883A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR510883T 1920-03-01

Publications (1)

Publication Number Publication Date
FR510883A true FR510883A (fr) 1920-12-13

Family

ID=8912052

Family Applications (1)

Application Number Title Priority Date Filing Date
FR510883A Expired FR510883A (fr) 1920-03-01 1920-03-01 Obturateur photographique

Country Status (1)

Country Link
FR (1) FR510883A (fr)

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