About 66 results
https://drivepatents.com/patents/969372 · 1 Oct 2014
A power charging apparatus and a battery apparatus quickly charge a battery with power by separately charging each battery cell with power. The power charging apparatus includes: a power supplier supplying power; and a charging part having at least two cha...
https://drivepatents.com/patents/971336 · 13 Aug 2014
An alternator control system (40) and method for an alternator (30) having an internal output voltage regulator (16) that measures and regulates the charging voltage through an internal feedback line (18) characterized by a switch (42) on the internal feed...
https://drivepatents.com/patents/972161 · 23 Jul 2014
A charging apparatus for a secondary battery comprises: a power supply circuit connected to a primary winding 11a of a transformer T1; a main winding 11b and a sub winding 11c connected to a secondary side of the transformer T1; a charging circuit 110 conn...
https://drivepatents.com/patents/974900 · 14 May 2014
The system has a switch (3) i.e. transistor, and an inductor (4) arranged so that a charging current of a capacitor (2) circulating between a battery (1) and the capacitor pass through the switch and the inductor. The inductor limits the current. The switc...
https://drivepatents.com/patents/975162 · 7 May 2014
A stored electric power discharging circuit for an inverter device (1) includes a group of series resistors (10, 110a, 110b, 210a, 210b) configured to be connected in parallel to a plurality of main circuit capacitors (C1, C2) in a normal operation, a volt...
https://drivepatents.com/patents/976009 · 16 Apr 2014
The power supply (1) has a solar cell (3) with a variable output voltage for a field device (7). An accumulator (9) is charged by a charging circuit (5), which is formed as an integrated circuit. The charging circuit is switched in a state, in which the ou...
https://drivepatents.com/patents/976356 · 9 Apr 2014
Embodiments of the present utility model provide a charging and discharging apparatus and a terminal, relate to the field of electronic devices, and realize mutual charging, thereby improving user experience. The interface includes a charging and dischargi...
https://drivepatents.com/patents/976997 · 26 Mar 2014
In a small power generator 1, a rotary dial 31 is disposed in the middle of the surface. By turning the rotary dial 31 with a finger, a rotor of an inner rotor type power generation unit 6, which is disposed inside the small power generator 1, is rotated b...
https://drivepatents.com/patents/980750 · 18 Dec 2013
A power management unit (102) accurately measures and controls charging current. The power management unit may be implemented more efficiently than prior designs, leading to cost savings in the implementation of the power management unit as well as in the ...
https://drivepatents.com/patents/983011 · 23 Oct 2013
An object of the present invention is to reduce electric power consumption of a charger as much as possible when charging is not performed, and also to improve operation performance of the charger. A charger (10) according to the present invention includes...