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Browse by Category: Main > Electrical & Energy
Class Information
Number: 323/266
Name: Electricity: power supply or regulation systems > Output level responsive > Using a three or more terminal semiconductive device as the final control device > Including pre or post regulation
Description: Subject matter wherein the system includes two stages of regulation, at least one of which is responsive to the output level.










Patents under this class:
1 2 3 4 5 6 7 8 9 10

Patent Number Title Of Patent Date Issued
8710809 Voltage regulator structure that is operationally stable for both low and high capacitive loads Apr. 29, 2014
8710820 Switched capacitor hold-up scheme for constant boost output voltage Apr. 29, 2014
8710822 Multi-state DC-DC converter having undirectional switches Apr. 29, 2014
8681513 Optimization of a power converter employing an LLC converter Mar. 25, 2014
8680823 Power supply apparatus and power supply system with plural power supply apparatuses Mar. 25, 2014
8680916 High efficiency variable voltage supply Mar. 25, 2014
8674668 Solar photovoltaic systems Mar. 18, 2014
8674667 Post regulation control circuit Mar. 18, 2014
8664924 Standalone solar energy conversion system with maximum power point tracing and method of operating the same Mar. 4, 2014
8659919 Circuit to improve light load power factor of power supply Feb. 25, 2014
8653801 Wide input voltage range power factor correction circuit Feb. 18, 2014
8643347 Power converter with capacitive energy transfer and fast dynamic response Feb. 4, 2014
8636885 Analytic device with photovoltaic power source Jan. 28, 2014
8633680 Differential sensing for voltage control in a power supply circuit Jan. 21, 2014
8610411 High-voltage regulated power supply Dec. 17, 2013
8587282 Integrated circuit device for switching regulator having the same clock frequency as the switching frequency Nov. 19, 2013
8581560 Voltage regulator circuit for generating a supply voltage in different modes Nov. 12, 2013
8581561 DC-DC boost converter circuit with an output stabilization circuit and method for driving the same Nov. 12, 2013
8582333 Integration of switched capacitor networks for power delivery Nov. 12, 2013
8575997 Voltage scaling system Nov. 5, 2013
8570006 Device and method for controlling a buck-boost converter Oct. 29, 2013
8564982 Interleaved power factor compensation circuit controller Oct. 22, 2013
8564260 Dual-stage power conversion Oct. 22, 2013
8564261 Power converting apparatus, grid interconnection apparatus and grid interconnection system Oct. 22, 2013
8559201 Grid-connected inverter Oct. 15, 2013
8552699 System and method for active electromagnetic interference reduction for a switching converter Oct. 8, 2013
8547073 Output side capacitor voltage balancing DC power supply system Oct. 1, 2013
8542001 Power circuit for reducing standby power consumption Sep. 24, 2013
8531150 DCDC converter Sep. 10, 2013
8531164 Operational transconductance amplifier feedback mechanism for fixed feedback voltage regulators Sep. 10, 2013
8525495 Input current generator for buck-boost circuit control Sep. 3, 2013
8508195 PFC converter using a predetermined value that varies in synchronization with a phase of the input voltage Aug. 13, 2013
8506771 Bipolar pulsed power supply and power supply apparatus having plurality of bipolar pulsed power supplies connected in parallel with each other Aug. 13, 2013
8493137 PSRR in a voltage reference circuit Jul. 23, 2013
8471409 Power conversion circuit Jun. 25, 2013
8471544 Power controller for supplying power voltage to functional block Jun. 25, 2013
8467211 Bipolar pulsed power supply and power supply apparatus having plurality of bipolar pulsed power supplies Jun. 18, 2013
8467197 Systems and methods for compensating for electrical converter nonlinearities Jun. 18, 2013
8462470 Auto power-off and actuation circuit for a fan Jun. 11, 2013
8456142 System and method for powering an information handling system in multiple power states Jun. 4, 2013
8456145 Device and method for single board energy-saving and single board Jun. 4, 2013
8446134 High efficiency AC/DC power supply May. 21, 2013
8436593 Wide input voltage range power factor correction circuit May. 7, 2013
8432142 Power over ethernet controller integrated circuit architecture Apr. 30, 2013
8432744 Semiconductor storage device with a well control circuit Apr. 30, 2013
8427120 Coupled inductor output filter Apr. 23, 2013
8422251 Circuit arrangements for operating a household appliance Apr. 16, 2013
8415935 Multiple branch alternative element power regulation Apr. 9, 2013
8417980 Dual-mode power supply Apr. 9, 2013
8400135 Self-oscillating switch circuit and a driver circuit comprising such a switch circuit Mar. 19, 2013

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