Self contained control unit incorporating authorisation
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United States of America Patent
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Nov 14, 2006
Issued Date -
N/A
app pub date -
Jul 2, 2004
filing date -
Aug 28, 2000
priority date (Note) -
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Abstract
A plug-in replacement relay for automotive use incorporating a security system (43) to control the actuation of the relay is disclosed. The plug-in replacement relay derives its power supply from bridge rectifier(s) (33, 37) having their inputs connected across the coil socket connector (pins 85, 86) and/or the switching contacts (11) (pins 30, 87), allowing polarity free connection. An inhibitor circuit (31) ensures that the contacts (11) are actuated only when intended.
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