FR946477A - Improvements to cinematographic devices - Google Patents

Improvements to cinematographic devices

Info

Publication number
FR946477A
FR946477A FR946477DA FR946477A FR 946477 A FR946477 A FR 946477A FR 946477D A FR946477D A FR 946477DA FR 946477 A FR946477 A FR 946477A
Authority
FR
France
Prior art keywords
cinematographic
devices
cinematographic devices
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.)
LEVENTHAL PATENTS
Original Assignee
LEVENTHAL PATENTS
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 LEVENTHAL PATENTS filed Critical LEVENTHAL PATENTS
Application granted granted Critical
Publication of FR946477A publication Critical patent/FR946477A/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
    • G03B41/00—Special techniques not covered by groups G03B31/00 - G03B39/00; Apparatus therefor
    • G03B41/02—Special techniques not covered by groups G03B31/00 - G03B39/00; Apparatus therefor using non-intermittently running film
    • G03B41/04—Special techniques not covered by groups G03B31/00 - G03B39/00; Apparatus therefor using non-intermittently running film with optical compensator
    • G03B41/08—Special techniques not covered by groups G03B31/00 - G03B39/00; Apparatus therefor using non-intermittently running film with optical compensator with rotating transmitting member

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR946477D 1940-10-02 1947-05-09 Improvements to cinematographic devices Expired FR946477A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US946477XA 1940-10-02 1940-10-02

Publications (1)

Publication Number Publication Date
FR946477A true FR946477A (en) 1949-06-03

Family

ID=22246345

Family Applications (1)

Application Number Title Priority Date Filing Date
FR946477D Expired FR946477A (en) 1940-10-02 1947-05-09 Improvements to cinematographic devices

Country Status (1)

Country Link
FR (1) FR946477A (en)

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