Low current vehicular adapter charger

Details Low current vehicular adapter charger Low current vehicular adapter charger

1999-10-22

2000-11-21

Tso, Edward H.

Electricity: battery or capacitor charging or discharging

Battery or cell discharging

With charging

320138, 320DIG12, H01M 1046, H01M 1044

Patent

active

061507962

ABSTRACT:
A method and apparatus for a mobile battery charging arrangement (100, 104, 114) utilizes a controllable power switch (306) to selectively switch power from a vehicular power source (114), such as a vehicle battery, to a battery charging circuit (101) to provide a charge to a rechargeable portable battery (104) for a portable battery operated device such as a portable communication radio (106). A battery present detector (102) controls the controllable power switch (306) to switch in the power from the vehicular battery power source (114) to the battery charging circuit (101) only while the rechargeable portable battery (104) is electrically coupled to the battery charging circuit (101) for receiving a charge therefrom.

REFERENCES:
patent: Re36225 (1999-06-01), Harris
patent: 5191277 (1993-03-01), Ishikura et al.
patent: 5200688 (1993-04-01), Patino et al.
patent: 5229703 (1993-07-01), Harris
patent: 5371453 (1994-12-01), Fernandez
patent: 5736831 (1998-04-01), Harrington
patent: 5872704 (1999-02-01), Kim
patent: 5903133 (1999-05-01), Amero, Jr., et al.

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