About 40 results
https://drivepatents.com/patents/997325 · 10 Oct 2012
A battery charging management technique and apparatus to manage battery charge in order to extend the operating life of the battery while meeting the energy needs of both scheduled and unscheduled discharges of the battery.
https://drivepatents.com/patents/997617 · 3 Oct 2012
A charge control device including: a charge control unit configured to select a power storage device to be charged from a plurality of power storage devices in accordance with degrees of subsequent deterioration of the power storage devices, the degrees be...
https://drivepatents.com/patents/1012258 · 8 Jun 2011
The present invention relates to a power system utilizing an engine generator or public power with AC source, wherein the power system particularly has the characteristics that the maximum output current thereof is limited by electromagnetic effects, and/o...
https://drivepatents.com/patents/1074362 · 7 Sep 2005
A method and an apparatus for charging a lithium-ion based rechargeable battery in a short time is provided. A terminal voltage of the rechargeable battery is compared with a predetermined first set voltage V1 while charging the rechargeable battery with a...
https://drivepatents.com/patents/1077205 · 8 Jun 2005
The present invention aims to provide a multimode communication terminal capable of controlling a charging operation in accordance with a communication schema during communication for each of plural communication schemas. [0002] The terminal includes a fir...
https://drivepatents.com/patents/1077085 · 8 Jun 2005
The invention presents a charge control device of secondary battery allowing to use an electronic apparatus for a long period by single charging initially, and capable of extending battery life in a long span. It comprises charge circuit 6 for supplying ch...
https://drivepatents.com/patents/1077787 · 18 May 2005
A charging and feeding device is disclosed, which attempts to lower a thermal loss of a current control circuit, by changing a setting of the current flowing in the current control circuit according to the load state of a load device. Monitoring circuit mo...
https://drivepatents.com/patents/1078015 · 4 May 2005
A charging device that may perform charging with larger current is provided. A charging device comprises a switching element for increasing or decreasing charging power, a PWM controlling circuit for intermittently turning the switching element on or off, ...
https://drivepatents.com/patents/1079562 · 9 Mar 2005
Automatic Surveillance Revolving Storage Battery Auxiliary Charging System, to compare the value as controlled by an artificial control or the value as set in a central control unit, with a testing signal produced by a battery charge level detector circuit...
https://drivepatents.com/patents/1080002 · 16 Feb 2005
An equipment and method for charging a secondary battery are provided to quickly and surely charge a secondary battery (secondary batteries) while preventing the secondary battery (batteries) from overcharging or insufficient charging. Special charging vol...