FR514854A - Perfectionnements aux appareils cinématographiques - Google Patents

Perfectionnements aux appareils cinématographiques

Info

Publication number
FR514854A
FR514854A FR514854A FR514854DA FR514854A FR 514854 A FR514854 A FR 514854A FR 514854 A FR514854 A FR 514854A FR 514854D A FR514854D A FR 514854DA FR 514854 A FR514854 A FR 514854A
Authority
FR
France
Prior art keywords
cinematographic
devices
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
FR514854A
Other languages
English (en)
Inventor
Isaac Sutherland
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 FR514854A publication Critical patent/FR514854A/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
    • 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)
FR514854A 1919-05-03 1920-05-03 Perfectionnements aux appareils cinématographiques Expired FR514854A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU514854X 1919-05-03

Publications (1)

Publication Number Publication Date
FR514854A true FR514854A (fr) 1921-03-21

Family

ID=3737866

Family Applications (1)

Application Number Title Priority Date Filing Date
FR514854A Expired FR514854A (fr) 1919-05-03 1920-05-03 Perfectionnements aux appareils cinématographiques

Country Status (1)

Country Link
FR (1) FR514854A (fr)

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