FR679298A - Perfectionnements aux appareils de projection de pellicules - Google Patents

Perfectionnements aux appareils de projection de pellicules

Info

Publication number
FR679298A
FR679298A FR679298DA FR679298A FR 679298 A FR679298 A FR 679298A FR 679298D A FR679298D A FR 679298DA FR 679298 A FR679298 A FR 679298A
Authority
FR
France
Prior art keywords
projection devices
film projection
film
devices
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
English (en)
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.)
AUTO NATURAL COLOR FILMS Ltd
Original Assignee
AUTO NATURAL COLOR FILMS Ltd
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 AUTO NATURAL COLOR FILMS Ltd filed Critical AUTO NATURAL COLOR FILMS Ltd
Application granted granted Critical
Publication of FR679298A publication Critical patent/FR679298A/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
    • G03B21/32—Details specially adapted for motion-picture projection

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR679298D 1928-07-27 1929-07-26 Perfectionnements aux appareils de projection de pellicules Expired FR679298A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB679298X 1928-07-27

Publications (1)

Publication Number Publication Date
FR679298A true FR679298A (fr) 1930-04-10

Family

ID=10492337

Family Applications (1)

Application Number Title Priority Date Filing Date
FR679298D Expired FR679298A (fr) 1928-07-27 1929-07-26 Perfectionnements aux appareils de projection de pellicules

Country Status (1)

Country Link
FR (1) FR679298A (fr)

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