BE412078A - - Google Patents

Info

Publication number
BE412078A
BE412078A BE412078DA BE412078A BE 412078 A BE412078 A BE 412078A BE 412078D A BE412078D A BE 412078DA BE 412078 A BE412078 A BE 412078A
Authority
BE
Belgium
Prior art keywords
film
light source
discharge path
less
cinematographic
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE412078A publication Critical patent/BE412078A/fr

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS 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
    • G03B21/00Projectors or projection-type viewers; Accessories therefor
    • G03B21/14Details
    • G03B21/16Cooling; Preventing overheating
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS 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
    • G03B21/00Projectors or projection-type viewers; Accessories therefor
    • G03B21/14Details
    • G03B21/20Lamp housings
    • G03B21/2006Lamp housings characterised by the light source
    • G03B21/2026Gas discharge type light sources, e.g. arcs

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Projection Apparatus (AREA)
BE412078D BE412078A (forum.php)

Publications (1)

Publication Number Publication Date
BE412078A true BE412078A (forum.php)

Family

ID=75899

Family Applications (1)

Application Number Title Priority Date Filing Date
BE412078D BE412078A (forum.php)

Country Status (1)

Country Link
BE (1) BE412078A (forum.php)

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