FR927911A - Improvements to cinematographic projection devices - Google Patents

Improvements to cinematographic projection devices

Info

Publication number
FR927911A
FR927911A FR927911DA FR927911A FR 927911 A FR927911 A FR 927911A FR 927911D A FR927911D A FR 927911DA FR 927911 A FR927911 A FR 927911A
Authority
FR
France
Prior art keywords
projection devices
cinematographic projection
cinematographic
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
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR927911A publication Critical patent/FR927911A/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
    • G03B1/00—Film strip handling
    • G03B1/42—Guiding, framing, or constraining film in desired position relative to lens system

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR927911D 1946-04-19 1946-04-19 Improvements to cinematographic projection devices Expired FR927911A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR927911T 1946-04-19

Publications (1)

Publication Number Publication Date
FR927911A true FR927911A (en) 1947-11-13

Family

ID=9441314

Family Applications (1)

Application Number Title Priority Date Filing Date
FR927911D Expired FR927911A (en) 1946-04-19 1946-04-19 Improvements to cinematographic projection devices

Country Status (1)

Country Link
FR (1) FR927911A (en)

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