FR708112A - Improvement to toothed drums used for driving perforated flexible webs, such as motion pictures - Google Patents

Improvement to toothed drums used for driving perforated flexible webs, such as motion pictures

Info

Publication number
FR708112A
FR708112A FR708112DA FR708112A FR 708112 A FR708112 A FR 708112A FR 708112D A FR708112D A FR 708112DA FR 708112 A FR708112 A FR 708112A
Authority
FR
France
Prior art keywords
improvement
motion pictures
flexible webs
perforated flexible
drums used
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
Victor Continsouza
Maurice-Baptiste Combes
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 filed Critical
Application granted granted Critical
Publication of FR708112A publication Critical patent/FR708112A/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
    • G03B1/42—Guiding, framing, or constraining film in desired position relative to lens system

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR708112D 1930-03-31 1930-03-31 Improvement to toothed drums used for driving perforated flexible webs, such as motion pictures Expired FR708112A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR708112T 1930-03-31

Publications (1)

Publication Number Publication Date
FR708112A true FR708112A (en) 1931-07-20

Family

ID=9068731

Family Applications (1)

Application Number Title Priority Date Filing Date
FR708112D Expired FR708112A (en) 1930-03-31 1930-03-31 Improvement to toothed drums used for driving perforated flexible webs, such as motion pictures

Country Status (1)

Country Link
FR (1) FR708112A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2523387A (en) * 1945-10-08 1950-09-26 Lamar Slide Fastener Corp Tape tension clamp for slide fastener machines
US2549271A (en) * 1946-02-15 1951-04-17 Motiograph Tension shoe member for film sprockets
US2980306A (en) * 1961-04-18 High speed motion picture camera

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2980306A (en) * 1961-04-18 High speed motion picture camera
US2523387A (en) * 1945-10-08 1950-09-26 Lamar Slide Fastener Corp Tape tension clamp for slide fastener machines
US2549271A (en) * 1946-02-15 1951-04-17 Motiograph Tension shoe member for film sprockets

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