FR456354A - Projection apparatus for cinematographs - Google Patents

Projection apparatus for cinematographs

Info

Publication number
FR456354A
FR456354A FR456354DA FR456354A FR 456354 A FR456354 A FR 456354A FR 456354D A FR456354D A FR 456354DA FR 456354 A FR456354 A FR 456354A
Authority
FR
France
Prior art keywords
cinematographs
projection apparatus
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
French (fr)
Inventor
Henri Mueller
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 FR456354A publication Critical patent/FR456354A/en
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
    • G03B21/18—Fire preventing or extinguishing

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR456354D 1913-04-05 1913-04-05 Projection apparatus for cinematographs Expired FR456354A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR456354T 1913-04-05

Publications (1)

Publication Number Publication Date
FR456354A true FR456354A (en) 1913-08-25

Family

ID=1496156

Family Applications (1)

Application Number Title Priority Date Filing Date
FR456354D Expired FR456354A (en) 1913-04-05 1913-04-05 Projection apparatus for cinematographs

Country Status (1)

Country Link
FR (1) FR456354A (en)

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