FR338446A - Improvements to photographic shutters - Google Patents

Improvements to photographic shutters

Info

Publication number
FR338446A
FR338446A FR338446DA FR338446A FR 338446 A FR338446 A FR 338446A FR 338446D A FR338446D A FR 338446DA FR 338446 A FR338446 A FR 338446A
Authority
FR
France
Prior art keywords
photographic shutters
shutters
photographic
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
George Arthur Pickard
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR338446A publication Critical patent/FR338446A/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
    • G03B9/00—Exposure-making shutters; Diaphragms
    • G03B9/08—Shutters
    • G03B9/28—Roller blind or flexible plate
    • G03B9/30—Single blind with multiple slots or other aperture

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR338446D 1903-12-03 1903-12-03 Improvements to photographic shutters Expired FR338446A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR338446T 1903-12-03

Publications (1)

Publication Number Publication Date
FR338446A true FR338446A (en) 1904-05-18

Family

ID=1387725

Family Applications (1)

Application Number Title Priority Date Filing Date
FR338446D Expired FR338446A (en) 1903-12-03 1903-12-03 Improvements to photographic shutters

Country Status (1)

Country Link
FR (1) FR338446A (en)

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