SEMI-ACTIVE ANTENNA STARTING AID FOR HID ARC TUBES
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United States of America Patent
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Sep 11, 2018
Grant Date -
Sep 13, 2018
app pub date -
Mar 7, 2018
filing date -
Mar 7, 2017
priority date (Note) -
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Abstract
A starting aid for discharge lamp arc tubes is characterized by an arc tube having a tubular body wall that longitudinally extends between first and second ends and surrounding an internal arc cavity with first and second electrodes that have conductive feedthroughs to electrically connect to corresponding first and second external arctube leads; an antenna conductor extending longitudinally on an outside surface of the arc tube wall between first and second antenna ends that are located radially outward of corresponding first and second electrodes; and an antenna coupling member comprising a conductive coupling connector that is electrically connected to the first arctube lead, and extends to a coupling end located on the body wall near to the first antenna end and separated from it by a coupling gap of predetermined, non-zero gap dimension.
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