About 34 results
https://drivepatents.com/patents/985906 · 6 Mar 2013
The disclosed motor device contains: an electric motor that operates by receiving a power supply from a secondary battery; a voltage detection unit that detects the voltage of the secondary battery; a determination unit that determines anomalies on the bas...
https://drivepatents.com/patents/995736 · 28 Nov 2012
A technology described herein is for accurately determining the SOC of a secondary battery. An open-circuit-voltage-to-state-of-charge (OCV-SOC) characteristic has a capacity decrease estimation OCV region in which a relationship between the OCV and the SO...
https://drivepatents.com/patents/1003214 · 18 Apr 2012
Battery sub-arrays are configured for electrical and mechanical coupling with each other to form a multi-cell battery. A sub-array may be an individual cell or a group of cells. Each sub-array includes a bypass switch to connect the sub-array within the mu...
https://drivepatents.com/patents/1004823 · 29 Feb 2012
A process for performing an auto-test of a fully discharged battery (130) of an electronic appliance including a battery charger (160), said process involving the steps of : - performing (210) an initialization phase; - charging (220) said battery (130) wi...
https://drivepatents.com/patents/1005517 · 8 Feb 2012
Discharge at a discharge route circuit is suppressed and an energy efficiency is increase. [0002] In a charging device 1 for supplying charge current to a battery (group 24 having plural secondary batteries 22 connected in series to perform charging, a dis...
https://drivepatents.com/patents/1006921 · 21 Dec 2011
The system (1) has a voltage measuring unit and a current measuring unit measuring voltage and current at terminals of a battery (8). A calculating unit (2) calculates difference between maximum and minimum voltages measured on the terminals. A comparator ...
https://drivepatents.com/patents/1010550 · 3 Aug 2011
The present invention is to provide a simple and inexpensive unit for voltage equalization between electric energy storage cells in electric energy storage devices in which electric energy storage cell such as a battery or a capacitor are connected in seri...
https://drivepatents.com/patents/1011069 · 13 Jul 2011
A battery system includes a battery pack, a detecting portion, a storage portion, and a determining portion. The battery pack 10 includes serially-connected parallel battery units 1 each of which includes battery cells 2 connected in parallel. The detectin...
https://drivepatents.com/patents/1094154 · 13 Aug 2003
The apparatus has two contact elements for releasably contacting the two poles of a supply voltage of the vehicle. An electric circuit (5) is connected between the two contact elements. The circuit has a display element for displaying the application of a ...
https://drivepatents.com/patents/1094200 · 6 Aug 2003
A rechargeable alkaline battery (B) which has three modules (1-i) each with ten electro chemical generators (2-j) is tested by equipment consisting of a testing unit (4) and modules to measure voltage (3), temperature (5) and current (7). The testing unit ...