H - Electricity – 01 – K
Patent
H - Electricity
01
K
313/84
H01K 1/00 (2006.01) H01K 1/32 (2006.01)
Patent
CA 1131688
INCANDESCENT ELECTRIC LAMP WITH ETALON TYPE TRANSPARENT HEAT MIRROR Abstract of the Disclosure An incandescent lamp utilizing an etalon type trans- parent heat mirror formed by three film layers of an insulator sandwiched between two metals on the lamp envelope for trans- mitting radiation in the visible range produced by the lamp filament and reflecting infrared thermal radiation back to the filament for increasing its temperature and thereby increasing its efficiency.
318534
Duro-Test Corporation
Smart & Biggar
LandOfFree
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