FR560865A - Projecteur à main - Google Patents

Projecteur à main

Info

Publication number
FR560865A
FR560865A FR560865DA FR560865A FR 560865 A FR560865 A FR 560865A FR 560865D A FR560865D A FR 560865DA FR 560865 A FR560865 A FR 560865A
Authority
FR
France
Prior art keywords
hand projector
projector
hand
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
Joseph Bienvenue
Rene Bienvenue
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 FR560865A publication Critical patent/FR560865A/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
    • G03B21/14—Details
    • G03B21/26—Projecting separately subsidiary matter simultaneously with main image

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR560865D 1923-01-10 1923-01-10 Projecteur à main Expired FR560865A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR560865T 1923-01-10

Publications (1)

Publication Number Publication Date
FR560865A true FR560865A (fr) 1923-10-12

Family

ID=8943223

Family Applications (1)

Application Number Title Priority Date Filing Date
FR560865D Expired FR560865A (fr) 1923-01-10 1923-01-10 Projecteur à main

Country Status (1)

Country Link
FR (1) FR560865A (fr)

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