BE555422A - - Google Patents

Info

Publication number
BE555422A
BE555422A BE555422DA BE555422A BE 555422 A BE555422 A BE 555422A BE 555422D A BE555422D A BE 555422DA BE 555422 A BE555422 A BE 555422A
Authority
BE
Belgium
Prior art keywords
frequency
generator
projection
current
images
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE555422A publication Critical patent/BE555422A/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
    • G03B21/20Lamp housings
    • G03B21/2006Lamp housings characterised by the light source
    • G03B21/2026Gas discharge type light sources, e.g. arcs
    • 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
    • G03B21/2053Intensity control of illuminating light

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
BE555422D BE555422A (enrdf_load_html_response)

Publications (1)

Publication Number Publication Date
BE555422A true BE555422A (enrdf_load_html_response)

Family

ID=179562

Family Applications (1)

Application Number Title Priority Date Filing Date
BE555422D BE555422A (enrdf_load_html_response)

Country Status (1)

Country Link
BE (1) BE555422A (enrdf_load_html_response)

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