FR843667A - Appareil de projection perfectionné - Google Patents

Appareil de projection perfectionné

Info

Publication number
FR843667A
FR843667A FR843667DA FR843667A FR 843667 A FR843667 A FR 843667A FR 843667D A FR843667D A FR 843667DA FR 843667 A FR843667 A FR 843667A
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
English (en)
Inventor
Louis Mestre
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anciens Etablissements Barbier Benard and Turenne SA
Original Assignee
Anciens Etablissements Barbier Benard and Turenne SA
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 by Anciens Etablissements Barbier Benard and Turenne SA filed Critical Anciens Etablissements Barbier Benard and Turenne SA
Application granted granted Critical
Publication of FR843667A publication Critical patent/FR843667A/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
    • G03B21/06—Projectors or projection-type viewers; Accessories therefor affording only episcopic projection

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR843667D 1938-03-15 1938-03-15 Appareil de projection perfectionné Expired FR843667A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR843667T 1938-03-15

Publications (1)

Publication Number Publication Date
FR843667A true FR843667A (fr) 1939-07-07

Family

ID=9312034

Family Applications (1)

Application Number Title Priority Date Filing Date
FR843667D Expired FR843667A (fr) 1938-03-15 1938-03-15 Appareil de projection perfectionné

Country Status (1)

Country Link
FR (1) FR843667A (fr)

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