Halogen incandescent lamp and a lighting apparatus using the lamp
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United States of America Patent
Stats
-
Aug 31, 2004
Grant Date -
Sep 26, 2002
app pub date -
Mar 29, 2001
filing date -
Mar 30, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A halogen incandescent lamp comprises a light-transmitting envelope filled with a gas including a halogen gas and an inert gas. A pair of inner conductive wires is arranged in the envelope. A triple-coiled filament, which has a first coiling, a second coiling, and a third coiling having about 1.5 to about 4 turns, is re-crystallized, is arranged in the envelope, and is connected between ends of the inner conductive wires. The triple-coiled filament is held by a support member. The halogen incandescent lamp may be utilized to a lighting apparatus.
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