Projection lamp comprising single ended arc discharge lamp...

Details Projection lamp comprising single ended arc discharge lamp... Projection lamp comprising single ended arc discharge lamp...

H - Electricity

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H01J 61/40 (2006.01) F21V 9/06 (2006.01) F21V 17/04 (2006.01) G03B 21/20 (2006.01) H01J 5/16 (2006.01) H01J 61/12 (2006.01)

Patent

CA 1150339

D-22,413 - 5 - PROJECTION LAMP COMPRISING SINGLE ENDED ARC DISCHARGE LAMP AND AN INTERFERENCE FILTER ABSTRACT A projection lamp comprises a single-ended metal halide arc discharge lamp disposed within a curved reflector and an interference filter disposed in front of the reflector, the filter being highly transmissive of visible light and reflective of radiation for which the metal halide, in molten salt form, is highly absorptive.

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