FR492245A - Improvements to cinematographic devices and to the intermittent drive mechanism intended for them - Google Patents

Improvements to cinematographic devices and to the intermittent drive mechanism intended for them

Info

Publication number
FR492245A
FR492245A FR492245DA FR492245A FR 492245 A FR492245 A FR 492245A FR 492245D A FR492245D A FR 492245DA FR 492245 A FR492245 A FR 492245A
Authority
FR
France
Prior art keywords
drive mechanism
intermittent drive
mechanism intended
cinematographic
devices
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
Harold Workman
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 FR492245A publication Critical patent/FR492245A/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
    • G03B1/00—Film strip handling
    • G03B1/18—Moving film strip by means which act on the film between the ends thereof
    • G03B1/38—Moving film strip by means which act on the film between the ends thereof embodying Geneva motion, e.g. Maltese-cross gearing

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR492245D 1918-10-11 1918-10-11 Improvements to cinematographic devices and to the intermittent drive mechanism intended for them Expired FR492245A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR492245T 1918-10-11

Publications (1)

Publication Number Publication Date
FR492245A true FR492245A (en) 1919-07-02

Family

ID=1528149

Family Applications (1)

Application Number Title Priority Date Filing Date
FR492245D Expired FR492245A (en) 1918-10-11 1918-10-11 Improvements to cinematographic devices and to the intermittent drive mechanism intended for them

Country Status (1)

Country Link
FR (1) FR492245A (en)

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