H - Electricity – 01 – K
Patent
H - Electricity
01
K
H01K 1/02 (2006.01) H01K 1/14 (2006.01)
Patent
CA 2516035
The invention relates to an electric incandescent lamp, in particular a vehicle headlight, having at least one incandescent filament which is arranged within a light-permeable lamp vessel, the at least one incandescent filament having different pitch factors at its two ends. In order to increase the luminance at the light/dark boundary of the lower beam, that end of the incandescent filament which is near to the base has a lower pitch factor.
Buehler Manfred
Wittmann Klaus
Patent-Treuhand-Gesellschaft Fuer Elektrische Gluehlampen Mbh
Smart & Biggar
LandOfFree
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