FR717433A - Device to project images - Google Patents

Device to project images

Info

Publication number
FR717433A
FR717433A FR717433DA FR717433A FR 717433 A FR717433 A FR 717433A FR 717433D A FR717433D A FR 717433DA FR 717433 A FR717433 A FR 717433A
Authority
FR
France
Prior art keywords
project images
project
images
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
Aime Van Autreve
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 FR717433A publication Critical patent/FR717433A/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)
FR717433D 1930-06-28 1931-05-21 Device to project images Expired FR717433A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE717433X 1930-06-28

Publications (1)

Publication Number Publication Date
FR717433A true FR717433A (en) 1932-01-08

Family

ID=6626703

Family Applications (1)

Application Number Title Priority Date Filing Date
FR717433D Expired FR717433A (en) 1930-06-28 1931-05-21 Device to project images

Country Status (1)

Country Link
FR (1) FR717433A (en)

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