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 (enrdf_load_html_response)

Publications (1)

Publication Number Publication Date
BE412078A true BE412078A (enrdf_load_html_response)

Family

ID=75899

Family Applications (1)

Application Number Title Priority Date Filing Date
BE412078D BE412078A (enrdf_load_html_response)

Country Status (1)

Country Link
BE (1) BE412078A (enrdf_load_html_response)

Similar Documents

Publication Publication Date Title
US6559600B1 (en) Discharge lamp, light source and projecting display unit
FR2537340A1 (fr) Lampe a decharge
BE412078A (enrdf_load_html_response)
JP3623137B2 (ja) 放電ランプと光源装置
CN1623217A (zh) 高压放电灯
FR2551613A1 (fr) Dispositif d'eclairage forme d'un redresseur, une lampe et un element limiteur de courant
Li Etendue efficient coupling of light using dual paraboloid reflectors for projection displays
BE898569A (fr) Dispositif comportant un tube à décharge dans une vapeur métallique muni d'au moins deux électrodes intérieures.
BE417214A (enrdf_load_html_response)
FR2933808A3 (fr) Lampe a decharge a haute pression
BE549519A (enrdf_load_html_response)
CH355215A (fr) Procédé de production de lumière de forte intensité et appareil pour la mise en oeuvre de ce procédé
EP4526247A1 (fr) Générateur de monoxyde d'azote
BE560599A (enrdf_load_html_response)
FR2582082A1 (fr) Dispositif de sources lumineuses multielements
BE378337A (enrdf_load_html_response)
BE426627A (enrdf_load_html_response)
SU56901A1 (ru) Устройство дл проекции телевизионного изображени на большой экран
BE447072A (enrdf_load_html_response)
BE367486A (enrdf_load_html_response)
BE434277A (enrdf_load_html_response)
BE429405A (enrdf_load_html_response)
BE419965A (enrdf_load_html_response)
FR2977973A1 (fr) Lampe fluorescente a cathode froide pour l'eclairage.
BE453415A (enrdf_load_html_response)