Connection detecting circuit
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United States of America Patent
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Mar 20, 2018
Grant Date -
Aug 18, 2016
app pub date -
Feb 17, 2016
filing date -
Feb 18, 2015
priority date (Note) -
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Abstract
A circuit includes a vehicle-side circuit, a charger-side circuit and a connecting part. The vehicle-side circuit includes a power source, a first resistor provided between the power source and the connecting part, a second resistor which is connected to the first resistor in series, a switch which turns on or off current supply from the power source, a voltage detector which detects a voltage at a connection point of the first resistor and the second resistor, a determining part which determines a state of connection between a vehicle-side connector and a charger-side connector and occurrence4 of a failure in the vehicle-side circuit based at least in part on the voltage detected by the voltage detector and an on/off state of the switch.
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