FR420574A - Perfectionnements aux appareils de projections cinématographiques - Google Patents

Perfectionnements aux appareils de projections cinématographiques

Info

Publication number
FR420574A
FR420574A FR420574DA FR420574A FR 420574 A FR420574 A FR 420574A FR 420574D A FR420574D A FR 420574DA FR 420574 A FR420574 A FR 420574A
Authority
FR
France
Prior art keywords
projection devices
cinematographic projection
cinematographic
devices
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.)
CIE GENERALE DE PHONOGRAPHES
Original Assignee
CIE GENERALE DE PHONOGRAPHES
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 CIE GENERALE DE PHONOGRAPHES filed Critical CIE GENERALE DE PHONOGRAPHES
Application granted granted Critical
Publication of FR420574A publication Critical patent/FR420574A/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
    • G03B21/32—Details specially adapted for motion-picture projection
    • G03B21/43—Driving mechanisms
    • 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
    • G03B21/20—Lamp housings
    • 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
    • G03B21/32—Details specially adapted for motion-picture projection

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR420574D 1909-11-26 1909-11-26 Perfectionnements aux appareils de projections cinématographiques Expired FR420574A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR420574T 1909-11-26

Publications (1)

Publication Number Publication Date
FR420574A true FR420574A (fr) 1911-02-02

Family

ID=1463704

Family Applications (1)

Application Number Title Priority Date Filing Date
FR420574D Expired FR420574A (fr) 1909-11-26 1909-11-26 Perfectionnements aux appareils de projections cinématographiques

Country Status (1)

Country Link
FR (1) FR420574A (fr)

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