FR993140A - Appareil de projection - Google Patents

Appareil de projection

Info

Publication number
FR993140A
FR993140A FR993140DA FR993140A FR 993140 A FR993140 A FR 993140A FR 993140D A FR993140D A FR 993140DA FR 993140 A FR993140 A FR 993140A
Authority
FR
France
Prior art keywords
projection device
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
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.)
GEN FILMS HAM SOC NOUV
Original Assignee
GEN FILMS HAM SOC NOUV
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 GEN FILMS HAM SOC NOUV filed Critical GEN FILMS HAM SOC NOUV
Application granted granted Critical
Publication of FR993140A publication Critical patent/FR993140A/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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR993140D 1949-06-04 1949-06-04 Appareil de projection Expired FR993140A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR993140T 1949-06-04

Publications (1)

Publication Number Publication Date
FR993140A true FR993140A (fr) 1951-10-26

Family

ID=9555425

Family Applications (1)

Application Number Title Priority Date Filing Date
FR993140D Expired FR993140A (fr) 1949-06-04 1949-06-04 Appareil de projection

Country Status (1)

Country Link
FR (1) FR993140A (fr)

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