FR473195A - Perfectionnement des appareils de projection cinématographique - Google Patents

Perfectionnement des appareils de projection cinématographique

Info

Publication number
FR473195A
FR473195A FR473195A FR473195DA FR473195A FR 473195 A FR473195 A FR 473195A FR 473195 A FR473195 A FR 473195A FR 473195D A FR473195D A FR 473195DA FR 473195 A FR473195 A FR 473195A
Authority
FR
France
Prior art keywords
improvement
projection equipment
cinematographic projection
cinematographic
equipment
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
FR473195A
Other languages
English (en)
Inventor
Theodore Brown
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR473195A publication Critical patent/FR473195A/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
    • G03B21/28—Reflectors in projection beam

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Stereoscopic And Panoramic Photography (AREA)
FR473195A 1913-03-17 1914-03-14 Perfectionnement des appareils de projection cinématographique Expired FR473195A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB191306557T 1913-03-17

Publications (1)

Publication Number Publication Date
FR473195A true FR473195A (fr) 1915-01-05

Family

ID=32578539

Family Applications (1)

Application Number Title Priority Date Filing Date
FR473195A Expired FR473195A (fr) 1913-03-17 1914-03-14 Perfectionnement des appareils de projection cinématographique

Country Status (2)

Country Link
FR (1) FR473195A (fr)
GB (1) GB191306557A (fr)

Also Published As

Publication number Publication date
GB191306557A (en) 1914-03-12

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