FR602770A - Improvements to cinematographic projectors for advertising and other applications - Google Patents

Improvements to cinematographic projectors for advertising and other applications

Info

Publication number
FR602770A
FR602770A FR602770DA FR602770A FR 602770 A FR602770 A FR 602770A FR 602770D A FR602770D A FR 602770DA FR 602770 A FR602770 A FR 602770A
Authority
FR
France
Prior art keywords
advertising
applications
cinematographic projectors
cinematographic
projectors
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
French (fr)
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.)
UNITED INTERNAT CORP Ltd
Original Assignee
UNITED INTERNAT CORP Ltd
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 UNITED INTERNAT CORP Ltd filed Critical UNITED INTERNAT CORP Ltd
Application granted granted Critical
Publication of FR602770A publication Critical patent/FR602770A/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
    • 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)
FR602770D 1924-09-24 1925-08-31 Improvements to cinematographic projectors for advertising and other applications Expired FR602770A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB602770X 1924-09-24

Publications (1)

Publication Number Publication Date
FR602770A true FR602770A (en) 1926-03-26

Family

ID=10485342

Family Applications (1)

Application Number Title Priority Date Filing Date
FR602770D Expired FR602770A (en) 1924-09-24 1925-08-31 Improvements to cinematographic projectors for advertising and other applications

Country Status (1)

Country Link
FR (1) FR602770A (en)

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