Controlled current generator for operating light emitting diodes
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Sep 12, 2000
Grant Date -
N/A
app pub date -
Apr 27, 1999
filing date -
Apr 29, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A circuit for operation of a semiconductor light source having terminals for connecting a source of power and output terminals for connecting the semiconductor light source. The circuit is also provided with a controlled current generator and is also concerned with a signal head incorporating the circuit. The controlled current generator is controlled by the current flow through the semiconductor light source and the current supplied by the controlled current generator.
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