Fluorescent lamp with incandescent ballasting systems
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Oct 27, 1981
Grant Date -
N/A
app pub date -
Mar 17, 1980
filing date -
Mar 17, 1980
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Ballasting for a fluorescent lamp is provided by one or more incandescent lamps connected in series between the line voltage source and the fluorescent lamp. Lamp operation is initiated by a triggering pulse applied to a conductive member placed adjacent the fluorescent lamp. In one embodiment, a plurality of incandescent lamps are connected in parallel and are selectively gated into the circuit depending upon exposure requirements for the lamp.
First Claim
Family
International Classification(s)
Cited Art Landscape
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