FR733493A - Perfectionnements apportés aux projectéurs cinématographiques - Google Patents

Perfectionnements apportés aux projectéurs cinématographiques

Info

Publication number
FR733493A
FR733493A FR733493DA FR733493A FR 733493 A FR733493 A FR 733493A FR 733493D A FR733493D A FR 733493DA FR 733493 A FR733493 A FR 733493A
Authority
FR
France
Prior art keywords
cinematographic projectors
cinematographic
projectors
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)
Inventor
Charles Edwar Hillery-Collings
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.)
CAM SYNDICATE Ltd
Original Assignee
CAM SYNDICATE 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 CAM SYNDICATE Ltd filed Critical CAM SYNDICATE Ltd
Application granted granted Critical
Publication of FR733493A publication Critical patent/FR733493A/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
    • G03B21/2046—Positional adjustment of light sources
    • 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

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
FR733493D 1931-03-16 1932-03-15 Perfectionnements apportés aux projectéurs cinématographiques Expired FR733493A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB733493X 1931-03-16

Publications (1)

Publication Number Publication Date
FR733493A true FR733493A (fr) 1932-10-06

Family

ID=10495622

Family Applications (1)

Application Number Title Priority Date Filing Date
FR733493D Expired FR733493A (fr) 1931-03-16 1932-03-15 Perfectionnements apportés aux projectéurs cinématographiques

Country Status (1)

Country Link
FR (1) FR733493A (fr)

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