FR449256A - Appareil pour projections cinématographiques - Google Patents

Appareil pour projections cinématographiques

Info

Publication number
FR449256A
FR449256A FR449256A FR449256DA FR449256A FR 449256 A FR449256 A FR 449256A FR 449256 A FR449256 A FR 449256A FR 449256D A FR449256D A FR 449256DA FR 449256 A FR449256 A FR 449256A
Authority
FR
France
Prior art keywords
cinematographic
projections
cinematographic projections
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
FR449256A
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.)
Thomas A Edison Inc
Original Assignee
Thomas A Edison Inc
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 Thomas A Edison Inc filed Critical Thomas A Edison Inc
Application granted granted Critical
Publication of FR449256A publication Critical patent/FR449256A/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
    • G03B21/50—Control devices operated by the film strip during the run

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR449256A 1911-10-12 1912-09-03 Appareil pour projections cinématographiques Expired FR449256A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US449256XA 1911-10-12 1911-10-12

Publications (1)

Publication Number Publication Date
FR449256A true FR449256A (fr) 1913-02-22

Family

ID=1489798

Family Applications (1)

Application Number Title Priority Date Filing Date
FR449256A Expired FR449256A (fr) 1911-10-12 1912-09-03 Appareil pour projections cinématographiques

Country Status (1)

Country Link
FR (1) FR449256A (fr)

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