Steering wheel heater and steering wheel
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United States of America Patent
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Jun 4, 2019
Grant Date -
Apr 7, 2016
app pub date -
Sep 18, 2014
filing date -
Sep 19, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
A steering wheel heater device including: a heating wire; a power line connected in series to the heating wire, for supplying the heating wire with power; a ground line connected in series to the heating wire; a lead-out wire connected to a point along a wiring pattern formed of the heating wire; and a contact detection circuit electrically connected to the wiring pattern formed of the heating wire through the lead-out wire, wherein a portion of the wiring pattern is connected in series between the ground line and the contact detection circuit.
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Family
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