Vehicle engine status detection mechanism for presenting engine status to third-party automotive accessories
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United States of America Patent
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Aug 2, 2005
Grant Date -
Sep 16, 2004
app pub date -
Feb 28, 2003
filing date -
Feb 28, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
A circuit for detecting voltage states output from a voltage generating engine has a first connection point connecting the circuit to a voltage output of the engine, a second connection point connecting the circuit to electrical ground and a digital output signal port for providing binary output values. The circuit detects voltage levels ranging above and below a nominal voltage level and assigns binary values to the detected states, the values used as instruction to a device coupled to the circuit.
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