FR18416E - Improvements to cinematographs - Google Patents

Improvements to cinematographs

Info

Publication number
FR18416E
FR18416E FR18416DA FR18416E FR 18416 E FR18416 E FR 18416E FR 18416D A FR18416D A FR 18416DA FR 18416 E FR18416 E FR 18416E
Authority
FR
France
Prior art keywords
cinematographs
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
Francois-Emile Grimaud
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.)
FRANCOIS-EMILE GRIMAUD
Original Assignee
FRANCOIS-EMILE GRIMAUD
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 FRANCOIS-EMILE GRIMAUD filed Critical FRANCOIS-EMILE GRIMAUD
Application granted granted Critical
Publication of FR18416E publication Critical patent/FR18416E/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
    • G03B21/32—Details specially adapted for motion-picture projection
    • G03B21/40—Eliminating or reducing effect of flicker

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR18416D 1913-08-14 1913-10-31 Improvements to cinematographs Expired FR18416E (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR461387T 1913-08-14
FR18416T 1913-10-31

Publications (1)

Publication Number Publication Date
FR18416E true FR18416E (en) 1914-04-24

Family

ID=1359782

Family Applications (1)

Application Number Title Priority Date Filing Date
FR18416D Expired FR18416E (en) 1913-08-14 1913-10-31 Improvements to cinematographs

Country Status (1)

Country Link
FR (1) FR18416E (en)

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