FR698735A - Bright image projection device - Google Patents

Bright image projection device

Info

Publication number
FR698735A
FR698735A FR698735DA FR698735A FR 698735 A FR698735 A FR 698735A FR 698735D A FR698735D A FR 698735DA FR 698735 A FR698735 A FR 698735A
Authority
FR
France
Prior art keywords
projection device
image projection
bright image
bright
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
Henri-David Audemars
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 FR698735A publication Critical patent/FR698735A/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)
FR698735D 1929-10-12 1929-10-12 Bright image projection device Expired FR698735A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR698735T 1929-10-12

Publications (1)

Publication Number Publication Date
FR698735A true FR698735A (en) 1931-02-03

Family

ID=9047864

Family Applications (1)

Application Number Title Priority Date Filing Date
FR698735D Expired FR698735A (en) 1929-10-12 1929-10-12 Bright image projection device

Country Status (1)

Country Link
FR (1) FR698735A (en)

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