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)
02/2008
02/06/2008CN100367142C Low-noise stablized voltage circuit capable of fast stopping working
02/05/2008US7327186 Fast wide output range CMOS voltage reference
02/05/2008US7327185 Selectable application of offset to dynamically controlled voltage supply
02/05/2008US7327170 Current driver
02/05/2008US7327166 Reference buffer with improved drift
02/05/2008US7327149 Bi-directional MOS current sense circuit
02/05/2008US7327131 Balun transformer and low-pass filter
02/05/2008US7327130 Current sense method
02/05/2008US7327129 Current sense circuit and method for a DC-to-DC converter
02/05/2008US7327128 Switching power supply transient suppression
02/05/2008US7327127 Pulse-frequency mode DC-DC converter circuit
02/05/2008US7327126 Diode circuit
02/05/2008US7327125 Power supply circuit having voltage control loop and current control loop
02/05/2008US7327124 Control apparatus and method for a boost-inverting converter
02/05/2008US7327101 Single point sensing for end of lamp life, anti-arcing, and no-load protection for electronic ballast
02/05/2008US7327097 Light module with control of luminance and method for managing the luminance
02/05/2008US7327095 Discharge lamp lighting apparatus
02/05/2008US7327053 Electronic power circuit
01/2008
01/31/2008WO2008013663A2 Gain/lag charge trap artifact correction for x-ray imagers
01/31/2008WO2007141823A3 Method and device for controlling the operation op power sources at the point of maximum power
01/31/2008US20080025051 Low voltage stress power converter
01/31/2008US20080024853 Light source device and projector
01/31/2008US20080024221 Integrated low power received signal strength indicator (rssi) with linear characteristic
01/31/2008US20080024205 Semiconductor chip and power gating method thereof
01/31/2008US20080024204 Current comparison based voltage bias generator for electronic data storage devices
01/31/2008US20080024203 Internal voltage generating circuit
01/31/2008US20080024199 Step-up booster circuit
01/31/2008US20080024198 Voltage booster
01/31/2008US20080024197 Method and architecture for power management of an electronic device
01/31/2008US20080024104 DC-DC converter
01/31/2008US20080024103 Switching regulator
01/31/2008US20080024102 Multi-die DC-DC Buck Power Converter with Efficient Packaging
01/31/2008US20080024101 Output ripple control circuit and method for a PWM system
01/31/2008US20080024100 Low-gain current-mode voltage regulator
01/31/2008US20080024099 Power Supply Apparatus
01/31/2008US20080024098 Current direction detection circuit and switching regulator having the same
01/31/2008US20080024097 Semiconductor Integrated Circuit Supplying Voltage to a Load Using a Charge Pump and Electronic Device Including the Same
01/31/2008US20080024096 Hybrid charge pump regulation
01/31/2008US20080024095 Method and Circuit for Limiting Output Voltage in a Switched-Mode Power Supply, and a Switched-Mode Power Supply
01/31/2008US20080024094 Resonant Switching Power Supply Device
01/31/2008US20080024093 Semiconductor device
01/31/2008US20080024092 Power supply and image forming device having the same
01/31/2008US20080024075 Apparatus and method for striking a fluorescent lamp
01/31/2008US20080024074 Load control device for use with lighting circuits having three-way switches
01/31/2008US20080023638 Gain/lag artifact correction algorithm and software
01/31/2008DE10307006B4 Schaltungsanordnung zur Steuerung des Einschaltstromes eines anschließbaren elektrischen Verbrauchers Circuit arrangement for controlling the inrush current of an electrical consumer connectible
01/31/2008DE102006035075A1 Circuit arrangement, has switching device providing two voltage in two condition and designed in such manner that provided voltage for operating circuit changes linearly with time from one voltage to other voltage
01/30/2008EP1882997A1 Battery charger with temperature-dependent power control
01/30/2008EP1882216A2 Multi-level active filter
01/30/2008EP1776749A4 Half bridge adaptive dead time circuit and method
01/30/2008EP1639419A4 A circuit for detecting electric current
01/30/2008EP1552612B1 Circuit arrangement for regulating voltage
01/30/2008CN201015186Y Electric voltage adjustable microcombustion power source
01/30/2008CN201015172Y Suspending type induction power source
01/30/2008CN201015031Y Active clamping circuit for limiting peak voltage
01/30/2008CN201014374Y Ballast of fluorescent lamp for color separator
01/30/2008CN101114797A Constant voltage supply circuit
01/30/2008CN101114793A Semiconductor integrated circuit supplying voltage to a load using a charge pump and electronic device including the same
01/30/2008CN101114792A Power supply and image forming device having the same
01/30/2008CN100365925C Voltage booster device having voltage-suppressing circuit
01/29/2008US7324359 Circuit for converting alternating voltage into high-voltage direct voltage
01/29/2008US7324358 Power supply apparatus including charge-pump type step-up circuit operated at clock signal frequency
01/29/2008US7324355 Dc-DC converter
01/29/2008US7323927 Integrated charge pump
01/29/2008US7323855 Digital pulse width modulated power supply with variable LSB
01/29/2008US7323854 Zero cancellation in multiloop regulator control scheme
01/29/2008US7323853 Low drop-out voltage regulator with common-mode feedback
01/29/2008US7323852 Sensing load tap changer (LTC) conditions
01/29/2008US7323851 Digital power factor correction controller and AC-to-DC power supply including same
01/29/2008US7323850 Current detection circuit and switching power supply using the same
01/29/2008US7323831 Illumination device
01/24/2008WO2006078544A3 Low-noise switching voltage regulator and methods therefor
01/24/2008US20080019154 Power factor correction control circuit
01/24/2008US20080018388 Step-down power supply
01/24/2008US20080018387 Current Detection Circuit and Switching Power Supply Using the Same
01/24/2008US20080018386 Constant Voltage Generating Circuit
01/24/2008US20080018385 Electric power circuit for driving display panel
01/24/2008US20080018384 Internal voltage generating apparatus and method for semiconductor integrated circuit
01/24/2008US20080018383 Charge pump system and corresponding method for managing voltage generation
01/24/2008US20080018382 Boosting circuit
01/24/2008US20080018381 Voltage booster for semiconductor device and semiconductor memory device using same
01/24/2008US20080018380 Non-volatile memory implemented with low-voltages transistors and related system and method
01/24/2008US20080018379 Charge pump with four-well transistors
01/24/2008US20080018314 PWM Control Scheme Under Light Load
01/24/2008US20080018313 Power supply system using delay lines in regulator topology to reduce input ripple voltage
01/24/2008US20080018312 Control Loop for Switching Power Converters
01/24/2008US20080018310 Detection circuitry
01/24/2008US20080018268 Applications of halogen converter control ic
01/24/2008DE112006000605T5 Netzteil Power Supply
01/24/2008DE102006033506A1 Schottkykontakt-Bauelement Schottky device
01/23/2008EP1880261A2 Digital implementation of power factor correction
01/23/2008EP1664962B1 Power controller
01/23/2008EP1644783A4 Semiconductor device with high-breakdown-voltage regulator
01/23/2008EP1606680A4 Low power implementation for input signals of integrated circuits
01/23/2008CN201011557Y AC to DC power supply circuit
01/23/2008CN201008413Y Electrical device system
01/23/2008CN101111811A Adaptive digital voltage regulator with bresenham sequence generator
01/23/2008CN101109971A 电压调节器 Voltage Regulator
01/23/2008CN101109970A Current source device
01/23/2008CN101109969A Power supply device and method for supplying voltage