Patents
Sitemap › G05 - Controlling; Regulating › G05F - Systems for regulating electric or magnetic variables › 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
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)
10/2008
10/14/2008US7436247 Step-down circuit with stabilized output voltage
10/14/2008US7436246 Pin number reduction circuit and methodology for mixed-signal IC, memory IC, and SOC
10/14/2008US7436243 Integrated circuits with on-chip AC noise suppression
10/14/2008US7436242 System and method for providing an input voltage invariant current source
10/14/2008US7436241 Charge pump
10/14/2008US7436240 Capacitance multiplier
10/14/2008US7436239 Electronic device including charge pump circuit
10/14/2008US7436164 Untethered device employing tunable resonant circuit
10/14/2008US7436163 DC-DC converter
10/14/2008US7436162 Buck converter having improved transient response to load step down
10/14/2008US7436161 Circuit and method for reducing the size and cost of switch mode power supplies
10/14/2008US7436160 Half bridge adaptive dead time circuit and method
10/14/2008US7436159 Compound power supply
10/14/2008US7436158 Low-gain current-mode voltage regulator
10/14/2008US7436156 Voltage converter circuit providing an usable output voltage from a very low input voltage
10/14/2008US7436155 Control device for a three-phase machine and method for operating the control device
10/14/2008US7436131 Thermal protection for lamp ballasts
10/14/2008US7436129 Triple-loop fluorescent lamp driver
10/09/2008WO2008121398A2 Primary only control quasi resonant convertor
10/09/2008WO2008120488A1 Electronic circuit device
10/09/2008WO2008103946A3 Control method for a universal power condition system
10/09/2008WO2008097720A3 Digital double-loop output voltage regulation
10/09/2008US20080247099 Overcurrent Detecting Circuit and Regulator Having the Same
10/09/2008US20080246751 Power factor corrector
10/09/2008US20080246535 Semiconductor charge pump using mos (metal oxide semiconductor) transistor for current rectifier device
10/09/2008US20080246532 Method for control over mechanical resonant system
10/09/2008US20080246455 Adaptive zero current sense apparatus and method for a switching regulator
10/09/2008US20080246454 Dc/dc converter
10/09/2008US20080246452 Device and Method For Charging an Electrical Energy Storage Device
10/09/2008US20080246451 Power supply for a load control
10/09/2008US20080246450 Soft-Start Circuit and Method Therefor
10/09/2008US20080246449 Feed controller
10/09/2008US20080246448 Sleep mode control circuit and method for a DC/DC switching power supply system
10/09/2008US20080246447 Method and apparatus for integrated cable drop compensation of a power converter
10/09/2008US20080246446 Method and apparatus for on/off control of a power converter
10/09/2008US20080246445 Power factor correction by measurement and removal of overtones
10/09/2008US20080246416 Process and apparatus for improved led performance
10/08/2008EP1978435A1 Control unit
10/08/2008EP1825340A4 Adaptive digital voltage regulator
10/08/2008CN201130905Y Novel intelligent high-frequency switch power supply
10/08/2008CN201130331Y Loop power supply parameter type magnetic power compensation circuit
10/08/2008CN201130330Y Intellectualized power-saving device
10/08/2008CN101283324A Adjustable voltage regulator system, particularly for dsp
10/08/2008CN101282607A Power supply for halogen lamp
10/08/2008CN101282090A Capacitance partial pressure DC voltage stabilizing power source
10/08/2008CN101282085A Method for sampling and outputting voltage for primary terminal of switch power supply
10/08/2008CN101281905A Semiconductor device, and method of switching drive capability of the semiconductor device
10/08/2008CN101281819A Control unit
10/08/2008CN101281410A LDO circuit using bidirectional asymmetry buffer structure to improve performance
10/08/2008CN101281087A Dynamoelectric oscillating table excitation voltage automatic adjusting method
10/08/2008CN100424978C A method of photovoltaic grid-connected inversion
10/08/2008CN100424974C Power circuit and method of rising output voltage of power circuit
10/08/2008CN100424607C Dimming ballast control IC with flash suppression circuit
10/07/2008USRE40528 Voltage fluctuation compensating apparatus
10/07/2008US7432757 Booster circuit, semiconductor device, and electronic apparatus
10/07/2008US7432756 Regulated charge pump circuit and application in power stages employing normally on power switching devices
10/07/2008US7432696 Apparatus and method for low input voltage current mirror circuit
10/07/2008US7432695 Adaptive power control for hysteretic regulators
10/07/2008US7432694 Systems and methods for sensed current-mode feedback in switching regulators
10/07/2008US7432693 Low drop-out DC voltage regulator
10/07/2008US7432692 Circuit and method for changing transient response characteristics of a DC/DC converter module
10/07/2008US7432691 Method and apparatus for controlling power drawn from an energy converter
10/07/2008US7432690 Dual circuit wall switch occupancy sensor and method of operating same
10/07/2008US7432689 Buck-boost control logic for PWM regulator
10/07/2008US7432688 Soft-transition controller of a synchronous converter
10/07/2008US7432687 High efficiency switching power supply
10/07/2008US7432666 Cold cathode fluorescent lamp driving system
10/07/2008US7432661 Electronic ballast having a flyback cat-ear power supply
10/07/2008US7432616 Inverter device
10/02/2008WO2008055084A3 Method and system for providing power factor correction in a power distribution system
10/02/2008US20080238536 Supply voltage generating circuit
10/02/2008US20080238535 Power supply circuit and display device therewith
10/02/2008US20080238534 Phase shifting in dll/pll
10/02/2008US20080238533 Semiconductor Device
10/02/2008US20080238397 Circuit and method for soft start of a switching regulator from a residual voltage
10/02/2008US20080238396 Feedback controller having multiple feedback paths
10/02/2008US20080238395 DC-DC Converter, Power Supply System, and Power Supply Method
10/02/2008US20080238394 Dc-dc converter, power supply voltage supplying method, and power supply voltage supplying system
10/02/2008US20080238393 Centralized controller and power manager for on-board power systems
10/02/2008US20080238392 Controller and driver communication for switching regulators
10/02/2008US20080238391 Current drive circuit and method
10/02/2008US20080238390 Dynamically adjusted multi-phase regulator
10/02/2008US20080238389 Primary only control quasi resonant convertor
10/02/2008US20080238388 Power supply device and recording apparatus
10/02/2008US20080238387 Dual mode regulation loop for switch mode power converter
10/02/2008US20080238386 Apparatus for delivering harmonic inductive power
10/02/2008US20080238385 Constant voltage circuit
10/02/2008US20080238384 Current source circuit and method of outputting current
10/02/2008US20080238383 Power converter and multiport power converter
10/02/2008US20080238382 Anti-ringing switching regulator and control method therefor
10/02/2008US20080238381 Device and Method for Voltage Regulator with Stable and Fast Response and Low Standby Current
10/02/2008US20080238380 Hierarchical control for an integrated voltage regulator
10/02/2008US20080238379 Pulse frequency to voltage conversion
10/02/2008US20080238378 Voltage regulator
10/02/2008US20080238377 Device for transforming and stabilizing a primary ac voltage for supplying an electric load
10/02/2008US20080238376 Voltage regulator with high voltage protection
10/02/2008US20080238375 Systems and methods for reducing emi in switch mode converter systems
10/02/2008US20080238374 Sampling method with adjusting duty ratios
10/02/2008US20080237673 Semiconductor device, charge pumping circuit, and semiconductor memory circuit
10/02/2008DE202007018449U1 Elektronisches Gerät, Computer und Anordnung Electronic apparatus and computer arrangement
1 ... 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 ... 378