FR799812A - Appareil de projection cinématographique - Google Patents

Appareil de projection cinématographique

Info

Publication number
FR799812A
FR799812A FR799812DA FR799812A FR 799812 A FR799812 A FR 799812A FR 799812D A FR799812D A FR 799812DA FR 799812 A FR799812 A FR 799812A
Authority
FR
France
Prior art keywords
projection device
cinematographic projection
cinematographic
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.)
Electrical Research Products Inc
Original Assignee
Electrical Research Products Inc
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 Electrical Research Products Inc filed Critical Electrical Research Products Inc
Application granted granted Critical
Publication of FR799812A publication Critical patent/FR799812A/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
    • G03B9/00—Exposure-making shutters; Diaphragms
    • G03B9/08—Shutters
    • G03B9/10—Blade or disc rotating or pivoting about axis normal to its plane

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR799812D 1935-04-03 1935-12-23 Appareil de projection cinématographique Expired FR799812A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US799812XA 1935-04-03 1935-04-03

Publications (1)

Publication Number Publication Date
FR799812A true FR799812A (fr) 1936-06-20

Family

ID=22154035

Family Applications (1)

Application Number Title Priority Date Filing Date
FR799812D Expired FR799812A (fr) 1935-04-03 1935-12-23 Appareil de projection cinématographique

Country Status (1)

Country Link
FR (1) FR799812A (fr)

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