About 48 results
https://drivepatents.com/patents/984991 · 24 Apr 2013
The circuit (10) has two electrical switching elements (24, 26) connected parallel to a set of intermediate circuit capacitors (12, 14). A balancing capacitor (30) is alternatively switchable parallel to the intermediate circuit capacitors by the electrica...
https://drivepatents.com/patents/984989 · 24 Apr 2013
The balancing circuitry (10) has two electric switching elements (38,40) connected in a parallel branch to the intermediate-circuit capacitors (12,14). The center between intermediate-circuit capacitors and a center tap between the switching elements are c...
https://drivepatents.com/patents/985106 · 17 Apr 2013
A power converter system for managing power between a power supply and a load, the system including: a first buck-boost circuit connected to the power supply; and a capacitor provided between the buck-boost circuit and the load to buffer power supply for t...
https://drivepatents.com/patents/994877 · 19 Dec 2012
The present invention relates to a battery operated communication device, in particular for use in a sensor network, such as a network for radio frequency (RF) communication of consumption data. The communication device comprises a control unit, a radio un...
https://drivepatents.com/patents/998383 · 12 Sep 2012
Electrical energy buffering system, comprising energy source means for delivering electrical energy, energy buffering means for buffering electrical energy delivered from the energy source means, the energy buffering means comprising a plurality of superca...
https://drivepatents.com/patents/999782 · 1 Aug 2012
The present invention relates to an energy converter for converting energy received from at least one energy source, wherein the at least one energy source includes a first photovoltaic generator, wherein the energy converter is configured to be connected ...
https://drivepatents.com/patents/999982 · 25 Jul 2012
An apparatus for controlling voltages over series-connected DC power supplies (1.1 - 1. m ), comprising an inverter (2) comprising a positive input, a negative input, and means for controlling a voltage between the inputs. The apparatus also comprises a fi...
https://drivepatents.com/patents/1002097 · 23 May 2012
Methods and systems for easily integrating a light-emitting diode (LED) light assembly (24) with an existing xenon power supply (22). An exemplary system includes a xenon power supply that includes an energy storage device (26) and a device (28) that comma...
https://drivepatents.com/patents/1005244 · 15 Feb 2012
The system has a main converter (40) connected to input and output networks (41, 42). The converter is associated to an electrical energy storage device. The storage device includes a bidirectional charger (46) connected to the output network and an electr...
https://drivepatents.com/patents/1009871 · 24 Aug 2011
A mobile communication device has a power amplifier and a power pack. The power pack includes a charge storage component, a first pair of taps connected to the charge storage component for supplying power to components of the mobile communication device an...