FR697027A - Appareil de projection cinématographique - Google Patents

Appareil de projection cinématographique

Info

Publication number
FR697027A
FR697027A FR697027DA FR697027A FR 697027 A FR697027 A FR 697027A FR 697027D A FR697027D A FR 697027DA FR 697027 A FR697027 A FR 697027A
Authority
FR
France
Prior art keywords
projection device
cinematographic projection
cinematographic
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
Hans Knudsen
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 FR697027A publication Critical patent/FR697027A/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
    • G03B21/30—Details adapted to collapse or fold, e.g. for portability

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR697027D 1929-05-30 1930-05-30 Appareil de projection cinématographique Expired FR697027A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB697027X 1929-05-30

Publications (1)

Publication Number Publication Date
FR697027A true FR697027A (fr) 1931-01-10

Family

ID=10493489

Family Applications (1)

Application Number Title Priority Date Filing Date
FR697027D Expired FR697027A (fr) 1929-05-30 1930-05-30 Appareil de projection cinématographique

Country Status (1)

Country Link
FR (1) FR697027A (fr)

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