A circuit comprises a first module and a second module that communicates with the first module. The first and second modules are connected in series between first and second reference potentials. A current balancing module communicates with a node between ...

An electronic device includes a storing unit which is provided on a battery pack and which retains power information of the battery pack, an acquiring unit which is provided in the main unit and which acquires the power information of the battery pack from...

The present invention relates to a power controlling system for a display. When Display Power Management signals, i.e., DPMF/DPMS signals, output from a controller, are all "Low" and "Low", a main power switch is turned off. Therefore, power is not supplie...

A power supply microcomputer (11) detects whether a battery (2) is charged to a fully charged state in a full charge mode of a controller (13). The controller is switched from the full charged mode to the original mode in which the battery is charged up to...

An electric device managing system for managing a plurality of electric devices. An example of an electric device to be managed is an Uninterrupted Power Supply (UPS). The system comprises: a plurality of lower controllers (2, 3) associated with each of sa...

A tetherless workstation is provided having a rechargeable battery power supply installed therein for supplying electrical power to equipment associated with the workstation. The battery power supply includes a diagnostics interface for monitoring an indic...