H - Electricity – 02 – J
Patent
H - Electricity
02
J
320/5
H02J 7/14 (2006.01) H02J 7/00 (2006.01)
Patent
CA 1313536
NE-219 ABSTRACT OF THE DISCLOSURE A battery charger for a vehicle-mounted equipment comprises a first sensor for detecting when the voltage of the vehicle battery is higher than a specified level. A second sensor is provided for detecting when the engine of the vehicle is running. The outputs of the sensors determine the start timing of a charging operation. A switch is connected between the vehicle battery and the equipment's rechargeable battery. A timing circuit is responsive to the output signals of the first and second sensors for causing the switch to establish a path between the batteries for an interval sufficient to charge the rechargeable battery with a current supplied from the vehicle battery.
612952
Corporation Nec
Smart & Biggar
LandOfFree
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