http://www.freshpatents.com/Electricity--power-supply-or-regulation-systems-dtnewntc323.php USPTO Class 323 - Electricity: power supply or regulation systems en-us Tue, 18 Aug 2009 22:19:08 -0700 1000 Wednesday Thursday Friday Saturday Sunday 141 31 http://www.freshpatents.com/index.php?rss=true http://www.freshpatents.com/images/freshpatentsnav_rss.gif http://www.freshpatents.com/Method-and-apparatus-for-distributed-var-compensation-dt20090813ptan20090200994.php Tue, 18 Aug 2009 22:19:08 -0700 A method and apparatus for generating on-demand power. The method comprises receiving a peak reactive current request, generating a control signal based on the peak reactive current request, and utilizing the control signal to drive a DC/AC inverter to generate reactive power commensurate with the peak reactive current request.... http://www.freshpatents.com/Combination-continuous-and-discontinuous-control-of-a-power-regulator-dt20090813ptan20090200995.php Tue, 18 Aug 2009 22:19:08 -0700 One embodiment of the invention includes a power regulator system. The system includes a switching system comprising at least one switch and an inductor, the switching system being configured to provide an output voltage based on a current through the inductor. The system also includes a switch driver configured to... http://www.freshpatents.com/Buck-switching-regulator-with-improved-mode-transition-and-control-method-thereof-dt20090813ptan20090200998.php Tue, 18 Aug 2009 22:19:08 -0700 The present invention discloses a buck switching regulator with improved mode transition, and a method for controlling a buck switching regulator. The method comprises: providing a switching regulator including: an output power stage for converting an input voltage to an output voltage, the output power stage being controlled by a... http://www.freshpatents.com/Controlling-power-supply-in-radio-transmitter-dt20090813ptan20090200996.php Tue, 18 Aug 2009 22:19:08 -0700 A switched mode power supply unit realized by an integrated circuit comprising a control circuit controlling the operation of the switched mode power supply unit, wherein the control circuit is configured to provide a plurality of different circuit configurations for different operating environments. The circuit configuration for the control circuit... http://www.freshpatents.com/Switching-controller-having-programmable-feedback-circuit-for-power-converters-dt20090813ptan20090200997.php Tue, 18 Aug 2009 22:19:08 -0700 A switching controller for a boost power converter includes a switching-control circuit and a programmable feedback circuit. The programmable feedback circuit is coupled to an output of the boost power converter via a voltage divider. The programmable feedback circuit includes a current source coupled to a switch. On a light-load... http://www.freshpatents.com/Voltage-regulator-with-compensation-and-the-method-thereof-dt20090813ptan20090200999.php Tue, 18 Aug 2009 22:19:08 -0700 A voltage regulator including a transconductance amplifying unit, a transresistance amplifying unit, a feedback unit, a differential amplifying unit, and a compensation capacitor. The transconductance amplifying unit includes two inputs for receiving a feedback voltage and a reference voltage, and includes an output for outputting a current. The transresistance amplifying... http://www.freshpatents.com/Load-driving-device-and-portable-apparatus-utilizing-such-driving-device-dt20090813ptan20090201002.php Tue, 18 Aug 2009 22:19:08 -0700 A load such as an LED and a constant-current source are connected in series with each other between the node of a dc-dc conversion type power supply circuit providing an output voltage and the ground. The constant-current source provides a constant current Io, the magnitude of which can be adjusted.... http://www.freshpatents.com/Sampled-data-analog-circuits-for-integrated-compensation-of-switch-mode-power-supplies-dt20090813ptan20090201001.php Tue, 18 Aug 2009 22:19:08 -0700 A switching mode power supply utilizing an analog sampled data system in the feedback control loop in which the coefficients of the sampled data system are change by reprogramming a programmable nonvolatile memory when external LC values vary.... http://www.freshpatents.com/Synchronous-rectification-switching-regulator-control-circuit-thereof-and-method-of-controlling-the-operation-thereof-dt20090813ptan20090201000.php Tue, 18 Aug 2009 22:19:08 -0700 A synchronous-rectification-type switching regulator is disclosed that includes a first switching element; an inductor charged with a voltage input to an input terminal of the switching regulator by the switching of the first switching element; a second switching element for synchronous rectification performing switching so as to discharge the inductor;... http://www.freshpatents.com/Dc-dc-converter-dt20090813ptan20090201003.php Tue, 18 Aug 2009 22:19:08 -0700 An error signal, which is representative of a difference between a target voltage and a present voltage, is inputted to both a step-down switching control circuit and a step-up switching control circuit. When the difference between the target voltage and the present voltage is below a predetermined value, the switchings... http://www.freshpatents.com/High-frequency-power-supply-circuit-dt20090813ptan20090201004.php Tue, 18 Aug 2009 22:19:08 -0700 [Means for Solving Problems] A high-frequency power supply circuit includes: a basic drive square wave generation circuit unit (5) for generating a basic drive square wave having an output frequency; a differential signal generation circuit unit (9) for generating a front edge differential signal of the basic drive square wave;... http://www.freshpatents.com/Dc-to-dc-converter-module-dt20090813ptan20090201005.php Tue, 18 Aug 2009 22:19:08 -0700 Lower surface terminals are disposed at the lower surface of a magnetic substrate. An upper surface electrode is disposed at the upper surface of the magnetic substrate. A control circuit, an input capacitor, and an output capacitor are mounted on the upper surface electrode. The control circuit contains a switching... http://www.freshpatents.com/Constant-current-circuit-dt20090813ptan20090201006.php Tue, 18 Aug 2009 22:19:08 -0700 Provided is a constant current circuit capable of supplying a stable constant current. Even when K values of NMOS transistors vary due to manufacturing fluctuations in semiconductor devices, a voltage generated across a resistor is always a threshold voltage difference between the NMOS transistors, and thus hardly varies. Even when...