About 15 results
https://drivepatents.com/patents/967242 · 19 Nov 2014
A power selector for switching power supplies is implemented using a variety of methods and devices. According to an example embodiment of the present disclosure, an arrangement provides power to a circuit by selecting between a first supply and a second s...
https://drivepatents.com/patents/977467 · 12 Mar 2014
An electric power is supplied from a commercial power source (12) to an input terminal (10). An electric load(13) is connected to an output terminal (11). A power storage (25) device is charged by the electric power supplied from the input terminal (10). T...
https://drivepatents.com/patents/982289 · 6 Nov 2013
Residential system includes photovoltaic power system including solar battery, and electrical storage device including battery. Electric load of residential system is selectively supplied with energy from power supply system, power generator and electrical...
https://drivepatents.com/patents/983185 · 23 Oct 2013
The present document relates to the technical field of communication DC power supply. Disclosed are a battery protection device and method for DC power supply, to ensure smoothly switching to a battery for being powered without time delay and uninterrupted...
https://drivepatents.com/patents/983259 · 16 Oct 2013
Systems and methods to control charging of power packs. Capacities of a first and second power pack (130,132) associated with a charging station are monitored (303,319,305,321). When an energy harvesting device (104,106) is producing energy, it is connecte...
https://drivepatents.com/patents/985235 · 3 Apr 2013
The present disclosure is generally directed to a power storage control methods and apparatus including, for example, a power storage control unit configured to determine a connection state of a consumption apparatus with a power supply, determine an expec...
https://drivepatents.com/patents/998131 · 19 Sep 2012
electrical accumulator unit includes a power storage device 26, a first switch 28, a power converter 30, a controller 34, and a dissipation circuit 36 for dissipating energy remnant in the power converter when the electrical accumulator unit is turned Off....
https://drivepatents.com/patents/1001332 · 20 Jun 2012
Nodes/sites of a road access network have power utilization and power backup facilities and capabilities suitable for particularized node operation. Features of the nodes/sites and/or of the radio access network include power load control, intermittent cha...
https://drivepatents.com/patents/1003639 · 4 Apr 2012
A DC lighting system for a building. The system comprises a DC distribution network, arranged to supply DC power to at least a portion of the building. The system also includes a plurality of DC lights, each light being coupled to the DC distribution netwo...
https://drivepatents.com/patents/1009606 · 7 Sep 2011
There is disclosed a charge balancing circuit (CBC) and method (10, 20) for balancing charge storage elements (CSE1_1, CSE1_2, CSE2_2) of a charge storage device (CSD). The charge storage device comprises at least two series connected chains (CHN1, CHN2) o...