FR318419A - An improvement in photographic cameras - Google Patents

An improvement in photographic cameras

Info

Publication number
FR318419A
FR318419A FR318419DA FR318419A FR 318419 A FR318419 A FR 318419A FR 318419D A FR318419D A FR 318419DA FR 318419 A FR318419 A FR 318419A
Authority
FR
France
Prior art keywords
improvement
photographic cameras
photographic
cameras
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
Masson
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 FR318419A publication Critical patent/FR318419A/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
    • G03B9/32—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)
FR318419D 1902-02-05 1902-02-05 An improvement in photographic cameras Expired FR318419A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR318419T 1902-02-05

Publications (1)

Publication Number Publication Date
FR318419A true FR318419A (en) 1902-10-15

Family

ID=1369071

Family Applications (1)

Application Number Title Priority Date Filing Date
FR318419D Expired FR318419A (en) 1902-02-05 1902-02-05 An improvement in photographic cameras

Country Status (1)

Country Link
FR (1) FR318419A (en)

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