H - Electricity – 05 – B
Patent
H - Electricity
05
B
315/68
H05B 39/00 (2006.01)
Patent
CA 1053745
ABSTRACT OF THE DISCLOSURE A body of sintered polycrystalline varistor material connected across the filament of an incandescent lamp shunts a transient voltage surge thereby protecting the lamp filament. The body of varistor material is alternatively included in the lamp base member or comprises a pill of varistor material having contact members for insertion in a lamp socket.
200453
Harnden John D. (jr.)
LandOfFree
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