Patents
Patents for G05F 1 - Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems (37,749)
01/2010
01/07/2010WO2009129349A3 Single-use disposable lancing apparatus and methods
01/07/2010WO2009103046A4 Medical image reporting system and method
01/07/2010US20100002474 Switch control device and converter including the same
01/07/2010US20100001789 Systems and methods for lowering interconnect capacitance through adjustment of relative signal levels
01/07/2010US20100001788 System to evaluate charge pump outputs and associated methods
01/07/2010US20100001771 Phase locked loop with leakage current calibration
01/07/2010US20100001707 Stepwise ramp voltage generator
01/07/2010US20100001706 Converter having pwm ramp adjustable in discontinuous mode operation
01/07/2010US20100001705 Power controller for supplying power voltage to functional block
01/07/2010US20100001704 Programmable Step-Down Switching Voltage Regulators with Adaptive Power MOSFETs
01/07/2010US20100001703 Programmable Step-Up Switching Voltage Regulators with Adaptive Power MOSFETs
01/07/2010US20100001702 Single pin multi-vid bit interface circuit for dynamic voltage change of a dc/dc converter
01/07/2010US20100001701 Circuit with one or more depletion mode transistors
01/07/2010US20100001700 System for voltage regulation, control protection and monitoring of state of changers under power transformer load, voltage regulators, capacitor banks and similar
01/07/2010US20100001699 Output voltage control circuit for modular power supplies
01/07/2010US20100001698 Static VAR Corrector
01/07/2010US20100001696 System to improve a multistage charge pump and associated methods
01/07/2010US20100001657 System and Method for Driving LED with High Efficiency in Power Consumption
01/07/2010DE102008053943A1 Stromversorgung mit einer Maximalleistungspunkt-Verfolgungsfunktion Power supply with a maximum power point tracking function
01/06/2010CN201378342Y Induction-type switch powered by plug-in card
01/06/2010CN101620449A Voltage stabilizing device and flash memory
01/06/2010CN100578904C Synchronization switching control circuit for power converter
01/06/2010CN100578420C Voltage-variable photovoltaic system maximal power tracing control method adapting to weather status
01/06/2010CN100578419C D.C. voltage stabilizing power source switching control apparatus
01/06/2010CN100578418C Bootstrapping circuit capable of sampling inputs beyond supply voltage
01/05/2010US7643264 Power supply controller and method for controlling power supply circuit
01/05/2010US7642843 Reference voltage generating circuit and semiconductor integrated circuit device
01/05/2010US7642842 System and method for providing communication of over-current protection and current mode control between multiple chips in an integrated circuit
01/05/2010US7642839 Current consumption prevention apparatus of a high voltage generator
01/05/2010US7642838 Voltage redoubling circuit
01/05/2010US7642837 Internal voltage generation circuit for semiconductor device and method for generating internal voltage therein
01/05/2010US7642836 Systems and methods for minimizing static leakage of an integrated circuit
01/05/2010US7642814 Leakage compensation circuit using limiting current inverter
01/05/2010US7642764 Voltage regulator with loadline based mostly on dynamic current
01/05/2010US7642763 Switching power supply circuit having independent loops
01/05/2010US7642762 Current source with indirect load current signal extraction
01/05/2010US7642761 Power supply circuit
01/05/2010US7642760 Power supply circuit
01/05/2010US7642759 Paralleling voltage regulators
01/05/2010US7642758 Power conversion regulator with predictive energy balancing
01/05/2010US7642757 System and method for automatically operating UPFC (unified power flow controller) connected to SCADA (supervisory control and data acquisition)
01/05/2010US7642743 Charger for remote battery
01/05/2010US7642732 Dielectric barrier discharge lamp lighting apparatus and method of detecting the number of normally lighting dielectric barrier discharge lamps
01/05/2010US7642730 Methods and apparatus for conveying information via color of light
01/05/2010US7642728 Circuit having EMI and current leakage to ground control circuit
12/2009
12/31/2009US20090327776 Multiple load line voltage regulators
12/31/2009US20090322417 Semiconductor component arrangement having a component with a drift zone and a drift control zone
12/31/2009US20090322412 Systems and methods for adjusting threshold voltage
12/31/2009US20090322409 Power reduction apparatus and method
12/31/2009US20090322384 Drive and startup for a switched capacitor divider
12/31/2009US20090322363 Operation voltage supply method for semiconductor device
12/31/2009US20090322303 Switching regulator
12/31/2009US20090322302 Power Supply Circuit and Electronic Equipment
12/31/2009US20090322301 Control circuit for improving efficiency of lower load of power supply device and method thereof
12/31/2009US20090322300 Hysteretic buck converter having dynamic thresholds
12/31/2009US20090322299 Non-isolated current-mode-controlled switching voltage regulator
12/31/2009US20090322298 Switching regulator and semiconductor apparatus including the same
12/31/2009US20090322297 Series regulator circuit and semiconductor integrated circuit
12/31/2009US20090322296 Multi-chip module for power supply circuitry
12/31/2009US20090322295 Technique to improve dropout in low-dropout regulators by drive adjustment
12/31/2009US20090322294 Control device for transient recovery of dc-dc converters
12/31/2009US20090322293 Switching converter including a rectifier element with nonlinear capacitance
12/31/2009US20090322292 Linear voltage regulator with accurate open load detection
12/31/2009US20090322291 Integrated circuit with output drive power section
12/31/2009US20090322255 Apparatus and method for driving and adjusting light
12/31/2009US20090322155 Charge of equalization apparatus with parallel connection of secondary windings of multiple transformers
12/31/2009DE102008030464A1 Switching device for e.g. switching off, e.g. TV set, has sensor device i.e. capacitive on-off switch, for detaching electrical device from network, and photovoltaic and/or solar cell supplying sensor device with electrical energy
12/30/2009WO2009157871A1 Mechanical electricity regulation apparatus
12/30/2009WO2009156971A1 Low dropout voltage regulator and method of stabilising a linear regulator
12/30/2009WO2009126289A3 Positive magnetic resonance imaging contrast methods and apparatus using chemical exchange saturation transfer
12/30/2009WO2009084016A3 A device with gsm chip for recording the electrical parameters of cfl lamp
12/30/2009WO2008027893A3 Single wire synchronization circuitry for power converters
12/30/2009EP2139115A1 Overcurrent protector of load circuit
12/30/2009EP2138923A1 System, method and electronic switch for at least one electronic switch unit
12/30/2009CN201374648Y Program-controlled switching power supply
12/30/2009CN201374184Y Music melody circuit of small household appliance
12/30/2009CN201374018Y Linear stabilized voltage power supply
12/30/2009CN201374017Y Control circuit for household appliance capable of inquiring electric quantity and voltage in real time
12/30/2009CN101615047A Energy-saving power supply driving method
12/30/2009CN101615046A Linear voltage regulator with ultralow differential voltage and strong driving capacity
12/30/2009CN101615045A Stepless phase control compensating-type AC voltage stabilization and regulation device and voltage compensation method thereof
12/30/2009CN101615044A Power reduction apparatus and method
12/30/2009CN101615043A Method for stabilized-voltage output of push-pull circuit and power converter thereof
12/30/2009CN100576131C Adjustable current source device using loaded suspension control circuit
12/30/2009CN100576130C Power management system
12/29/2009USRE41061 High efficiency linear regulator
12/29/2009US7639519 Switching booster power circuit
12/29/2009US7639068 Voltage supply with low power and leakage current
12/29/2009US7639067 Integrated circuit voltage regulator
12/29/2009US7639066 Circuit and method for suppressing gate induced drain leakage
12/29/2009US7639046 Method to reduce power consumption within a clock gated synchronous circuit and clock gated synchronous circuit
12/29/2009US7638996 Reference current generator circuit
12/29/2009US7638995 Clocked ramp apparatus for voltage regulator softstart and method for softstarting voltage regulators
12/29/2009US7638994 Switching power supply circuit
12/29/2009US7638993 Method of feedback controlling a switched regulator
12/29/2009US7638992 Drive power control device, liquid ejection apparatus, and drive power control method
12/29/2009US7638991 System and method for providing switch size management in a DC-DC converter circuit for a RF power amplifier using an output voltage reference signal
12/29/2009US7638990 Techniques for power management on integrated circuits
12/29/2009US7638989 Power supply with pulse frequency modulating circuit calculating logic state changing
12/29/2009US7638988 Co-fired ceramic inductors with variable inductance, and voltage regulator having same