FR532425A - Advanced projection device - Google Patents

Advanced projection device

Info

Publication number
FR532425A
FR532425A FR532425DA FR532425A FR 532425 A FR532425 A FR 532425A FR 532425D A FR532425D A FR 532425DA FR 532425 A FR532425 A FR 532425A
Authority
FR
France
Prior art keywords
projection device
advanced projection
advanced
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
Elie-Xavier Mazo
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 FR532425A publication Critical patent/FR532425A/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
    • G03B21/06—Projectors or projection-type viewers; Accessories therefor affording only episcopic projection

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR532425D 1920-09-13 1920-09-13 Advanced projection device Expired FR532425A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR532425T 1920-09-13

Publications (1)

Publication Number Publication Date
FR532425A true FR532425A (en) 1922-02-03

Family

ID=8924541

Family Applications (1)

Application Number Title Priority Date Filing Date
FR532425D Expired FR532425A (en) 1920-09-13 1920-09-13 Advanced projection device

Country Status (1)

Country Link
FR (1) FR532425A (en)

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