FR887168A - Appareil de projection - Google Patents

Appareil de projection

Info

Publication number
FR887168A
FR887168A FR887168DA FR887168A FR 887168 A FR887168 A FR 887168A FR 887168D A FR887168D A FR 887168DA FR 887168 A FR887168 A FR 887168A
Authority
FR
France
Prior art keywords
projection device
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)
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.)
GENEVOISE INSTR PHYSIQUE
Societe Genevoise dInstruments de Physique
Original Assignee
GENEVOISE INSTR PHYSIQUE
Societe Genevoise dInstruments de Physique
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 GENEVOISE INSTR PHYSIQUE, Societe Genevoise dInstruments de Physique filed Critical GENEVOISE INSTR PHYSIQUE
Application granted granted Critical
Publication of FR887168A publication Critical patent/FR887168A/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
    • G03B21/10—Projectors with built-in or built-on screen

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR887168D 1940-12-27 1941-12-04 Appareil de projection Expired FR887168A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH887168X 1940-12-27

Publications (1)

Publication Number Publication Date
FR887168A true FR887168A (fr) 1943-11-05

Family

ID=4545361

Family Applications (1)

Application Number Title Priority Date Filing Date
FR887168D Expired FR887168A (fr) 1940-12-27 1941-12-04 Appareil de projection

Country Status (1)

Country Link
FR (1) FR887168A (fr)

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