FR949991A - Projecteur de cinématographie - Google Patents

Projecteur de cinématographie

Info

Publication number
FR949991A
FR949991A FR949991DA FR949991A FR 949991 A FR949991 A FR 949991A FR 949991D A FR949991D A FR 949991DA FR 949991 A FR949991 A FR 949991A
Authority
FR
France
Prior art keywords
cinematography
projector
cinematography projector
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.)
Manufacturers Machine & Tool C
Original Assignee
Manufacturers Machine & Tool C
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 Manufacturers Machine & Tool C filed Critical Manufacturers Machine & Tool C
Application granted granted Critical
Publication of FR949991A publication Critical patent/FR949991A/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
    • G03B21/20—Lamp housings
    • G03B21/2053—Intensity control of illuminating light

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR949991D 1939-12-30 1947-07-17 Projecteur de cinématographie Expired FR949991A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US949991XA 1939-12-30 1939-12-30

Publications (1)

Publication Number Publication Date
FR949991A true FR949991A (fr) 1949-09-14

Family

ID=22248437

Family Applications (1)

Application Number Title Priority Date Filing Date
FR949991D Expired FR949991A (fr) 1939-12-30 1947-07-17 Projecteur de cinématographie

Country Status (1)

Country Link
FR (1) FR949991A (fr)

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