Method and apparatus for current regulation in a gas discharge lamp
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United States of America Patent
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Sep 5, 1995
Issued Date -
N/A
app pub date -
Apr 13, 1993
filing date -
Jun 4, 1991
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A regulated and constrained current source is used to drive the cathodes of a hot cathode gas discharge lamp to provide heating during lamp operation. In one embodiment, the regulated current source is time shared between the lamp cathodes and the lamp arc.
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