FR599792A - Appareil de projection et de cinématographie - Google Patents

Appareil de projection et de cinématographie

Info

Publication number
FR599792A
FR599792A FR599792DA FR599792A FR 599792 A FR599792 A FR 599792A FR 599792D A FR599792D A FR 599792DA FR 599792 A FR599792 A FR 599792A
Authority
FR
France
Prior art keywords
cinematography
projection
cinematography apparatus
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
Ludwig Pfister
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 FR599792A publication Critical patent/FR599792A/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
    • G03B21/16—Cooling; Preventing overheating

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR599792D 1924-06-23 1925-06-19 Appareil de projection et de cinématographie Expired FR599792A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE599792X 1924-06-23

Publications (1)

Publication Number Publication Date
FR599792A true FR599792A (fr) 1926-01-20

Family

ID=6574436

Family Applications (1)

Application Number Title Priority Date Filing Date
FR599792D Expired FR599792A (fr) 1924-06-23 1925-06-19 Appareil de projection et de cinématographie

Country Status (1)

Country Link
FR (1) FR599792A (fr)

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