FR509133A - Improvements to Cinematographic and Other Apparatus Using Films - Google Patents

Improvements to Cinematographic and Other Apparatus Using Films

Info

Publication number
FR509133A
FR509133A FR509133A FR509133DA FR509133A FR 509133 A FR509133 A FR 509133A FR 509133 A FR509133 A FR 509133A FR 509133D A FR509133D A FR 509133DA FR 509133 A FR509133 A FR 509133A
Authority
FR
France
Prior art keywords
cinematographic
films
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
FR509133A
Other languages
French (fr)
Inventor
Jules Perrey
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.)
JULES PERREY
Original Assignee
JULES PERREY
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 JULES PERREY filed Critical JULES PERREY
Application granted granted Critical
Publication of FR509133A publication Critical patent/FR509133A/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
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/32—Details specially adapted for motion-picture projection
    • G03B21/43—Driving mechanisms

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR509133A 1920-01-26 1920-01-26 Improvements to Cinematographic and Other Apparatus Using Films Expired FR509133A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR509133T 1920-01-26

Publications (1)

Publication Number Publication Date
FR509133A true FR509133A (en) 1920-11-02

Family

ID=8910835

Family Applications (1)

Application Number Title Priority Date Filing Date
FR509133A Expired FR509133A (en) 1920-01-26 1920-01-26 Improvements to Cinematographic and Other Apparatus Using Films

Country Status (1)

Country Link
FR (1) FR509133A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2512486A (en) * 1944-09-26 1950-06-20 Fairchild Camera Instr Co Fore-and-aft aerial camera

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2512486A (en) * 1944-09-26 1950-06-20 Fairchild Camera Instr Co Fore-and-aft aerial camera

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