FR675690A - Appareil de projections lumineuses - Google Patents

Appareil de projections lumineuses

Info

Publication number
FR675690A
FR675690A FR675690DA FR675690A FR 675690 A FR675690 A FR 675690A FR 675690D A FR675690D A FR 675690DA FR 675690 A FR675690 A FR 675690A
Authority
FR
France
Prior art keywords
projection device
light projection
light
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)
Inventor
Arnold Vincent
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 FR675690A publication Critical patent/FR675690A/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)
FR675690D 1929-05-24 1929-05-24 Appareil de projections lumineuses Expired FR675690A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR675690T 1929-05-24

Publications (1)

Publication Number Publication Date
FR675690A true FR675690A (fr) 1930-02-13

Family

ID=9019478

Family Applications (1)

Application Number Title Priority Date Filing Date
FR675690D Expired FR675690A (fr) 1929-05-24 1929-05-24 Appareil de projections lumineuses

Country Status (1)

Country Link
FR (1) FR675690A (fr)

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