FR594187A - Blocking device for cinematographic projectors - Google Patents

Blocking device for cinematographic projectors

Info

Publication number
FR594187A
FR594187A FR594187DA FR594187A FR 594187 A FR594187 A FR 594187A FR 594187D A FR594187D A FR 594187DA FR 594187 A FR594187 A FR 594187A
Authority
FR
France
Prior art keywords
blocking device
cinematographic projectors
cinematographic
projectors
blocking
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
Frederic Ballency
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 filed Critical
Application granted granted Critical
Publication of FR594187A publication Critical patent/FR594187A/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
    • G03B21/50—Control devices operated by the film strip during the run

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR594187D 1924-02-28 1925-02-27 Blocking device for cinematographic projectors Expired FR594187A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE594187X 1924-02-28

Publications (1)

Publication Number Publication Date
FR594187A true FR594187A (en) 1925-09-08

Family

ID=3873912

Family Applications (1)

Application Number Title Priority Date Filing Date
FR594187D Expired FR594187A (en) 1924-02-28 1925-02-27 Blocking device for cinematographic projectors

Country Status (1)

Country Link
FR (1) FR594187A (en)

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