FR988723A - Mécanisme pour projecteur de cinéma - Google Patents

Mécanisme pour projecteur de cinéma

Info

Publication number
FR988723A
FR988723A FR988723DA FR988723A FR 988723 A FR988723 A FR 988723A FR 988723D A FR988723D A FR 988723DA FR 988723 A FR988723 A FR 988723A
Authority
FR
France
Prior art keywords
projector mechanism
cinema projector
cinema
projector
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
English (en)
Inventor
Georges Lefort
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 FR988723A publication Critical patent/FR988723A/fr
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H27/00—Step-by-step mechanisms without freewheel members, e.g. Geneva drives
    • F16H27/04—Step-by-step mechanisms without freewheel members, e.g. Geneva drives for converting continuous rotation into a step-by-step rotary movement
    • F16H27/06—Mechanisms with driving pins in driven slots, e.g. Geneva drives
    • 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

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR988723D 1949-06-17 1949-06-17 Mécanisme pour projecteur de cinéma Expired FR988723A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR988723T 1949-06-17

Publications (1)

Publication Number Publication Date
FR988723A true FR988723A (fr) 1951-08-30

Family

ID=9539695

Family Applications (1)

Application Number Title Priority Date Filing Date
FR988723D Expired FR988723A (fr) 1949-06-17 1949-06-17 Mécanisme pour projecteur de cinéma

Country Status (1)

Country Link
FR (1) FR988723A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2712771A (en) * 1952-04-30 1955-07-12 Rca Corp Film intermittent advancing mechanism

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2712771A (en) * 1952-04-30 1955-07-12 Rca Corp Film intermittent advancing mechanism

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