About 40 results
https://drivepatents.com/patents/983328 · 16 Oct 2013
The charger includes: a connector to be connected to a battery; an identification unit configured to perform an identification process of judging whether the battery being connected to the connector is a compliant battery allowed to be directly connected t...
https://drivepatents.com/patents/986698 · 18 Sep 2013
A charge control circuit includes a resistance module, a voltage comparing module, and a charge control module. The resistance module includes a thermistor, and the resistance of the thermistor varies according to the temperature of a battery. The voltage ...
https://drivepatents.com/patents/991232 · 1 May 2013
A charge capacity parameter estimation system for an electric storage device capable of charging and discharging is provided, which can accurately estimate a charge capacity parameter indicative of a charge capacity of the electric storage device. The char...
https://drivepatents.com/patents/985098 · 17 Apr 2013
Methods (400, 500) and systems (200, 300) for controlling a power pack charging circuit (210, 310). While a device (202, 302) is connected to an electrical charging source (204, 304), a determination (402, 502) is made that an operating condition of a devi...
https://drivepatents.com/patents/985079 · 17 Apr 2013
A charge control device of the disclosure including a charger to perform a constant current charge control to maintain a charge current to an electric double-layer capacitor as a predetermined charge current value for a constant current charge period after...
https://drivepatents.com/patents/985311 · 27 Mar 2013
A charging method and a charging system are introduced for controlling a charging current by a PWM method. A charging IC (300) is controlled to supply the charging current to a battery (400), and a control unit (100) is used to generate a PWM signal with a...
https://drivepatents.com/patents/985547 · 20 Mar 2013
Provided is a power supply device (1) integrally combined with an electrical device body (10) including a motor (2), comprising a rechargeable battery (3) for supplying power to the motor (2), charge terminals (4a, 4b), a microcomputer (5) for detecting a ...
https://drivepatents.com/patents/985583 · 13 Mar 2013
A charger 10 includes an output circuit unit 3 to output a charging current to a secondary battery 21, a voltage detection unit 2 to detect a voltage of the secondary battery, and a control unit 1 to control the output circuit unit, whereby constant curren...
https://drivepatents.com/patents/992582 · 27 Feb 2013
The present application provides systems and methods for battery temperature detection and parasitic resistance compensation. Compensation circuitry is provided to generate a compensation current, proportional to a battery charging or discharging current, ...
https://drivepatents.com/patents/993377 · 30 Jan 2013
A charge system for series connected rechargeable batteries (90) includes: a power generating unit (2) generating a DC input power (Vdc) based on a voltage input from an AC power source (8); a charge control unit (3) generating a charge voltage (Vcc) based...