FR493364A - Improvements in cinematographic projection apparatus and similar apparatus - Google Patents

Improvements in cinematographic projection apparatus and similar apparatus

Info

Publication number
FR493364A
FR493364A FR493364DA FR493364A FR 493364 A FR493364 A FR 493364A FR 493364D A FR493364D A FR 493364DA FR 493364 A FR493364 A FR 493364A
Authority
FR
France
Prior art keywords
similar
cinematographic projection
projection apparatus
cinematographic
similar apparatus
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)
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.)
BREV DUPUIS SOC D EXPL DES
Original Assignee
BREV DUPUIS SOC D EXPL DES
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 BREV DUPUIS SOC D EXPL DES filed Critical BREV DUPUIS SOC D EXPL DES
Application granted granted Critical
Publication of FR493364A publication Critical patent/FR493364A/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
    • G03B21/43—Driving mechanisms
    • G03B21/44—Mechanisms transmitting motion to film-strip feed; Mechanical linking of shutter and intermittent feed
    • G03B21/46—Mechanisms transmitting motion to film-strip feed; Mechanical linking of shutter and intermittent feed affording adjustment for framing

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR493364D 1918-11-27 1918-11-27 Improvements in cinematographic projection apparatus and similar apparatus Expired FR493364A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR493364T 1918-11-27

Publications (1)

Publication Number Publication Date
FR493364A true FR493364A (en) 1919-08-07

Family

ID=1529120

Family Applications (1)

Application Number Title Priority Date Filing Date
FR493364D Expired FR493364A (en) 1918-11-27 1918-11-27 Improvements in cinematographic projection apparatus and similar apparatus

Country Status (1)

Country Link
FR (1) FR493364A (en)

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