FR65543E - Improvements to cinema projection facilities - Google Patents

Improvements to cinema projection facilities

Info

Publication number
FR65543E
FR65543E FR65543DA FR65543E FR 65543 E FR65543 E FR 65543E FR 65543D A FR65543D A FR 65543DA FR 65543 E FR65543 E FR 65543E
Authority
FR
France
Prior art keywords
cinema projection
projection facilities
facilities
cinema
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
French (fr)
Inventor
Robert Whittle Dowling
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 filed Critical
Application granted granted Critical
Publication of FR65543E publication Critical patent/FR65543E/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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR65543D 1954-03-16 1954-03-16 Improvements to cinema projection facilities Expired FR65543E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR65543T 1954-03-16

Publications (1)

Publication Number Publication Date
FR65543E true FR65543E (en) 1956-02-28

Family

ID=8698406

Family Applications (1)

Application Number Title Priority Date Filing Date
FR65543D Expired FR65543E (en) 1954-03-16 1954-03-16 Improvements to cinema projection facilities

Country Status (1)

Country Link
FR (1) FR65543E (en)

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