About 56 results
https://drivepatents.com/patents/991847 · 10 Apr 2013
A portable electronic device chargeable via at least one speaker port is provided. The portable electronic device comprises a housing containing: a processing unit, a least one speaker for playing audio signals; a power pack for powering the portable elect...
https://drivepatents.com/patents/985656 · 13 Mar 2013
A power management unit (210) of a mobile terminal (200). The power management unit (210) includes a DC-DC converter (212) configured to convert an input voltage into first and second output voltages, the mobile terminal also includes a first boosting circ...
https://drivepatents.com/patents/998096 · 19 Sep 2012
The method involves connecting several source modules (2-4) and sink modules (5-8) in parallel to each other. The source modules are provided to supply electrical power to sink modules for power-redundant operation. The total electrical power demand of sin...
https://drivepatents.com/patents/998802 · 5 Sep 2012
Circuits and methods to charge batteries of a portable device simultaneously with supplying power to the device for its operation, using a power source with limited maximum current, as e.g. an USB port, have been achieved. The system invented relies upon d...
https://drivepatents.com/patents/999754 · 1 Aug 2012
The present invention relates to an on-load tap changer control method for a power excitation chain (1), said chain (1) comprising - a generator (3), - a step-up transformer (5) equipped with an on-load tap changer (7) and connected on the one hand to the ...
https://drivepatents.com/patents/1001326 · 20 Jun 2012
A battery, comprising a case, an electrode assembly within the case, wherein the electrode assembly includes a positive electrode and a negative electrode, and positive and negative conductors electrically connected to the positive and negative electrodes,...
https://drivepatents.com/patents/1001950 · 30 May 2012
The present invention relates to a stand-by circuit (1) comprising a first input (100) for receiving a phase of a mains supply, a second input (101) for receiving a stand-by signal, and an AC-DC converter (4), said circuit being characterized in that it co...
https://drivepatents.com/patents/1001951 · 30 May 2012
The present invention relates to a stand-by circuit (1) comprising a first input (100) for receiving a phase of the mains supply, a second input (101) for receiving a stand-by signal, a monostable switch (3), an AC-DC converter (4), wherein said switch (3)...
https://drivepatents.com/patents/1004367 · 14 Mar 2012
A power distribution unit (PDU, 200) for controlling power distribution to computers in a data center typically comprises at least one power inlet (IN, 201), a plurality of power outlets (OUT, 211, 212, 213, 214, 215, 216, 217, 218) for providing power to ...
https://drivepatents.com/patents/1005643 · 1 Feb 2012
A system for managing energy efficiency and control mechanisms in a computer network having a plurality of network components is provided. The system includes a network power manager (NPM) coupled to at least one of the plurality of network components. The...