Resources Contact Us Home
Browse by Category: Main > Electrical & Energy
Class Information
Number: 323/351
Name: Electricity: power supply or regulation systems > External or operator controlled > Using a three or more terminal semiconductive device as the final control device > Switched (e.g., switching regulators)
Description: Subject matter wherein the system includes a single final control device which is operated in such a manner that it is either conductive or nonconductive.

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

Patent Number Title Of Patent Date Issued
8710822 Multi-state DC-DC converter having undirectional switches Apr. 29, 2014
8686700 Boost type power converting apparatus with protection circuit Apr. 1, 2014
8674670 DC/DC converter with depletion-mode III-nitride switches Mar. 18, 2014
8675891 Power supply unit with noise reduction capability Mar. 18, 2014
8669749 Switching power supply unit Mar. 11, 2014
8659274 Switching power supply circuit in a synchronous rectification mode for alternately turning on and off a main switching element and a subordinate switching element Feb. 25, 2014
8659281 Buck converter Feb. 25, 2014
8649189 Power supply with single stage converter for performing power factor correction and resonant conversion Feb. 11, 2014
8644045 Temperature controlled voltage conversion device Feb. 4, 2014
8624570 Digitally controlling a power converter Jan. 7, 2014
8618850 Device and method for generating clock signals for DC-DC converters Dec. 31, 2013
8610423 Low noise external enable switcher control signal using on-chip switcher Dec. 17, 2013
8542001 Power circuit for reducing standby power consumption Sep. 24, 2013
8531174 AC-DC input adapter Sep. 10, 2013
8533508 Apparatus and method for reducing the standby power consumption of a display, and display with low standby power consumption Sep. 10, 2013
8519688 Burst mode controller and method Aug. 27, 2013
8508963 Step-down switching regulator capable of providing high-speed response with compact structure Aug. 13, 2013
8502509 Power conversion system and power control method for reducing cross regulation effect Aug. 6, 2013
RE44406 Method of detecting switching power supply output current Aug. 6, 2013
8497666 Semiconductor device and power source device Jul. 30, 2013
8487594 Accurate current sensing circuit with ultra low voltage supply Jul. 16, 2013
8489910 Timing controller, timing control method, and timing control system Jul. 16, 2013
8471535 Large current handling capable semiconductor switching device with suppression of short circuit damage and recovery current switching loss Jun. 25, 2013
8450021 Method for HV bus voltage control in fuel cell vehicles featuring HV lithium batteries May. 28, 2013
8432140 Dual mode boost regulator Apr. 30, 2013
8432145 Voltage supply circuit including a III-nitride based power semiconductor device Apr. 30, 2013
8432212 Switching element having an electromechanical switch and methods for making and using same Apr. 30, 2013
8421428 Current trigger circuit and switching power converter using the same Apr. 16, 2013
8421436 Step-down converter maintaining stable operation at start up Apr. 16, 2013
8410810 System for testing power supply performance Apr. 2, 2013
8405372 Method and apparatus for providing a power factor correction (PFC) compatible solution for nonsinusoidal uninterruptible power supply (UPS) Mar. 26, 2013
8339119 Output voltage adjustment circuit for buck circuits Dec. 25, 2012
8339188 Floating gate reference for sleep/hibernate regulator Dec. 25, 2012
8339113 Buck switch-mode power converter large signal transient response optimizer Dec. 25, 2012
8324878 Voltage regulator with gate resistor for improved efficiency Dec. 4, 2012
8325129 Liquid crystal display and driving method thereof Dec. 4, 2012
8319488 Momentarily enabled electronic device Nov. 27, 2012
8294445 Switching voltage regulator with frequency selection Oct. 23, 2012
8278892 Converter comprising at least one normally on semiconductor switch Oct. 2, 2012
8269476 Load controller to pulse width modulation-control a load Sep. 18, 2012
8258767 Power conversion system and power control method for reducing cross regulation effect Sep. 4, 2012
8253407 Voltage mode switching regulator and control circuit and method therefor Aug. 28, 2012
8247992 LED driver circuit Aug. 21, 2012
8232792 System and method for controlling the output voltage of a power supply Jul. 31, 2012
8222885 Isolating a control signal source in a high frequency power supply Jul. 17, 2012
8207725 Tester having device under test power supply Jun. 26, 2012
8183841 Multi-phase power supply controller and method therefor May. 22, 2012
8174854 Switching power supply system with reduced current consumption at light load May. 8, 2012
8164391 Synchronization of multiple high frequency switching power converters in an integrated circuit Apr. 24, 2012
8148965 Power controller for supplying power voltage to functional block Apr. 3, 2012

1 2 3 4 5 6 7 8

  Recently Added Patents
Optoelectronic semiconductor chip comprising a reflective layer
Selective facsimile denial
Optical receiver and optical transfer apparatus
Soybean sequences associated with the FAP3 locus
Dynamic learning method and adaptive normal behavior profile (NBP) architecture for providing fast protection of enterprise applications
Systems and methods for synchronizing and controlling multiple image sensors
Content reproduction apparatus and content processing method therefor
  Randomly Featured Patents
Semiconductor integrated circuit device including a pad and first mosfet
Method and system for real time simultaneous monitoring of logical circuits in a data network
Carbamoyl-1-(pyridinylalkyl)-1H-indoles, indolines and related analogs
Method for manufacturing a magneto-resistive effect element and a method for manufacturing a magneto-resistive effect type magnetic head
Device and method for registering the opening of closures of spaces to be secured
Mold process for producing a finished solid surface countertop
Method and system for supporting multiple, historical, and future designs in a relational database
Metallic solid supports modified with nucleic acids
Light emitting and light detecting semiconductor device for interfacing with an optical fiber
Electronic imaging device