FR651851A - Perfectionnements aux appareils de projection cinématographique - Google Patents

Perfectionnements aux appareils de projection cinématographique

Info

Publication number
FR651851A
FR651851A FR651851DA FR651851A FR 651851 A FR651851 A FR 651851A FR 651851D A FR651851D A FR 651851DA FR 651851 A FR651851 A FR 651851A
Authority
FR
France
Prior art keywords
projection devices
cinematographic projection
cinematographic
devices
projection
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)
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.)
Pathe Cinema SA
Original Assignee
Pathe Cinema SA
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 Pathe Cinema SA filed Critical Pathe Cinema SA
Application granted granted Critical
Publication of FR651851A publication Critical patent/FR651851A/fr
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
    • G03B1/20—Acting means
    • G03B1/22—Claws or pins engaging holes in the film

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR651851D 1928-03-28 1928-03-28 Perfectionnements aux appareils de projection cinématographique Expired FR651851A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR651851T 1928-03-28

Publications (1)

Publication Number Publication Date
FR651851A true FR651851A (fr) 1929-02-28

Family

ID=9004895

Family Applications (1)

Application Number Title Priority Date Filing Date
FR651851D Expired FR651851A (fr) 1928-03-28 1928-03-28 Perfectionnements aux appareils de projection cinématographique

Country Status (1)

Country Link
FR (1) FR651851A (fr)

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