FR508781A - Improvements to cinematographs - Google Patents

Improvements to cinematographs

Info

Publication number
FR508781A
FR508781A FR508781A FR508781DA FR508781A FR 508781 A FR508781 A FR 508781A FR 508781 A FR508781 A FR 508781A FR 508781D A FR508781D A FR 508781DA FR 508781 A FR508781 A FR 508781A
Authority
FR
France
Prior art keywords
cinematographs
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
FR508781A
Other languages
French (fr)
Inventor
Edwin Julius Hadley
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.)
EDWIN JULIUS HADLEY
Original Assignee
EDWIN JULIUS HADLEY
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 EDWIN JULIUS HADLEY filed Critical EDWIN JULIUS HADLEY
Application granted granted Critical
Publication of FR508781A publication Critical patent/FR508781A/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
    • G03B1/20—Acting means
    • G03B1/34—Beaters
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR508781A 1916-07-26 1920-01-20 Improvements to cinematographs Expired FR508781A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US508781XA 1916-07-26 1916-07-26

Publications (1)

Publication Number Publication Date
FR508781A true FR508781A (en) 1920-10-22

Family

ID=21968044

Family Applications (1)

Application Number Title Priority Date Filing Date
FR508781A Expired FR508781A (en) 1916-07-26 1920-01-20 Improvements to cinematographs

Country Status (1)

Country Link
FR (1) FR508781A (en)

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