About 40 results
https://drivepatents.com/patents/966461 · 10 Dec 2014
The present invention pertains to the detection of the state of charge of a battery, whereby the complex impedance in the diffusion region of the battery is used. An arithmetic device such as a computer determines the slope of the complex impedance at leas...
https://drivepatents.com/patents/971438 · 13 Aug 2014
A battery monitoring system includes a plurality of battery monitoring devices that are connected to a battery formed by connecting a plurality of battery cell groups in series to each other, and monitor a state of the battery for the respective battery ce...
https://drivepatents.com/patents/971594 · 6 Aug 2014
Provided are battery SOC estimating apparatus and method. The battery SOC estimating apparatus according to the present invention includes a first SOC calculating unit which applies a predetermined parameter to calculate a first state of charging (SOC) of ...
https://drivepatents.com/patents/975499 · 30 Apr 2014
An electric storage condition detecting apparatus includes a voltage measurement circuit (24) and a CPU (70) that is a controller. The voltage measurement circuit (24) is a voltage detector that detects a voltage of a secondary battery (14). The CPU (70) p...
https://drivepatents.com/patents/979560 · 15 Jan 2014
A measurement system (1, 3; 5) according to one aspect of the present invention includes a battery pack (1) and at least one type of connected device (3; 5) to which the pack (1) is connected. The pack (1) includes a first detection device (14) detecting a...
https://drivepatents.com/patents/981298 · 4 Dec 2013
The method involves delivering a stream containing polluting species to each of unitary ion exchange membrane/electrode assemblies (AME-1-AME-N) for a given time, and measuring an electrochemical parameter e.g. voltage between anode and cathode, of each as...
https://drivepatents.com/patents/995219 · 12 Dec 2012
A secondary-battery chargeable-limit detecting method that detects a charge rate of a chargeable limit and a device of the same are provided. In the chargeable-limit detecting method of the present embodiment, if it is determined that: a temperature measur...
https://drivepatents.com/patents/1072268 · 23 Nov 2005
A system for monitoring and reporting on the condition of a battery installed in a vehicle having an engine and an ignition. The system comprises a sensor for determining the voltage across the battery terminals under conditions of current drain of the veh...
https://drivepatents.com/patents/1076551 · 29 Jun 2005
A battery ECU estimates the SOC by integrating the battery current measured by a current sensor, and the battery voltage Vis measured by a voltage sensor and the battery temperature Tis measured by a thermometer if the fluctuation of the charging/dischargi...
https://drivepatents.com/patents/1078531 · 13 Apr 2005
The invention concerns a battery-powered device (1) with at least one battery shaft (2) for two batteries (9) or storage batteries having device regulation electronics (4) to determine and display the state of charging of the batteries or storage batteries...