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)
06/2011
06/30/2011US20110156665 Linear modulation voltage transformer circuitry
06/30/2011DE10297286B4 Flexibles Beleuchtungssegment Flexible lighting segment
06/30/2011DE102009060422A1 Bidirectional, offset-free current source for use in bio-impedance measurement system, has negative feedback circuit guiding signal from pole of load resistor to input of filter, where output of filter is connected with input of amplifier
06/29/2011EP1417763B1 Low voltage charge pump for use in a phase locked loop
06/29/2011CN201886371U Electrical appliance energy-saving circuit
06/29/2011CN201886060U Controllable electronic load
06/29/2011CN1937348B User side powergrid environmental-protection electricity-saving device
06/29/2011CN102111087A Smart virtual low voltage photovoltaic module and photovoltaic power system employing the same
06/29/2011CN102109869A Driving circuit
06/29/2011CN102109868A Voltage regulation circuitry
06/29/2011CN102109867A Household appliance energy-saving circuit, control method and display device
06/29/2011CN101661301B Low-voltage-drop linear voltage regulator with frequency compensation
06/29/2011CN101533284B Voltage regulating device
06/29/2011CN101499724B Controller applied for resonance type DC/DC converter
06/29/2011CN101399497B Electric power circuit
06/28/2011US7969754 Control circuit for a switch unit of a clocked power supply circuit, and resonance converter
06/28/2011US7969237 Semiconductor integrated circuit device
06/28/2011US7969236 Reference current generator with low temperature coefficient dependence
06/28/2011US7969235 Self-adaptive multi-stage charge pump
06/28/2011US7969233 Boosting charge pump circuit
06/28/2011US7969232 Booster and voltage detection method thereof
06/28/2011US7969231 Internal voltage generating circuit
06/28/2011US7969230 Voltage generating circuit
06/28/2011US7969134 Method of forming a power supply controller and structure therefor
06/28/2011US7969133 Method and system for providing local converters to provide maximum power point tracking in an energy generating system
06/28/2011US7969132 Switching power supply unit and control method of switching power supply unit
06/28/2011US7969131 Converter circuit with forward and backward control
06/28/2011US7969130 Voltage supply interface with current sensitivity and reduced series resistance
06/28/2011US7969129 Semiconductor circuit and switching power supply apparatus
06/28/2011US7969128 Bi-directional power supply with isolated output
06/28/2011US7969127 Start-up circuit for a shunt regulator
06/28/2011US7969126 Amplifier employing interleaved signals for PWM ripple suppression
06/28/2011US7969125 Programmable power control system
06/28/2011US7969124 Power supply apparatus, test apparatus, and electronic device
06/28/2011US7969101 Backlight control circuit having a duty ratio determining unit and method for controlling lighting of a lamp using same
06/28/2011US7969097 Lighting device with color control, and method of lighting
06/23/2011WO2011075531A2 Control multiplexor for a switch mode power supply
06/23/2011WO2011075330A2 Converter with crossover frequency responsive to switching frequency
06/23/2011WO2011073070A1 Method for obtaining information enabling the determination of a characteristic of a power source
06/23/2011WO2011073069A1 Method for obtaining information enabling the determination of a characteristic of a power source
06/23/2011WO2011037708A3 Multiphase power converters, controllers and control methods
06/23/2011US20110150243 Charging circuit and amplifier
06/23/2011US20110148838 Bias circuit for a complementary current mode logic drive circuit
06/23/2011US20110148540 Delay circuit and voltage controlled oscillation circuit
06/23/2011US20110148511 Autarkes feldgerat
06/23/2011US20110148510 Reduced current charge pump
06/23/2011US20110148509 Techniques to Reduce Charge Pump Overshoot
06/23/2011US20110148382 Start-Up Supply
06/23/2011US20110148381 Converter with crossover frequency responsive to switching frequency
06/23/2011US20110148380 Circuit and method for adjusting an offset output current for an input current amplifier
06/23/2011US20110148379 Clean transition between ccm and dcm in valley current mode control of dc-to-dc converter
06/23/2011US20110148378 Algorithmic approach to pwm smps current sensing and system validation
06/23/2011US20110148377 Power supply converter and method
06/23/2011US20110148376 Mosfet with gate pull-down
06/23/2011US20110148375 Power amplifying circuit, DC-DC converter, peak holding circuit, and output voltage control circuit including the peak holding circuit
06/23/2011US20110148374 Control multiplexor for a switch mode power supply
06/23/2011US20110148373 Continuously switching buck-boost control
06/23/2011US20110148372 Switching voltage regulator and related feed-forward control method
06/23/2011US20110148371 Switched-mode power supply
06/23/2011US20110148370 Voltage conversion apparatus and electrical load driving apparatus
06/23/2011US20110148369 Device and Method for Converting a Potential
06/23/2011US20110148368 Stacked NMOS DC-To-DC Power Conversion
06/22/2011EP2336841A1 Output current detecting circuit and transmission circuit
06/22/2011EP1952213B1 Buck dc to dc converter and method
06/22/2011DE112009002052T5 Modifizierte Stromquelle mit übergangsloser Bereichsumschaltung Modified power source with seamless range switching
06/22/2011DE10237122B4 Schaltung und Verfahren zur Einstellung des Arbeitspunkts einer BGR-Schaltung Circuit and method for setting the operating point of a BGR circuit
06/22/2011CN201876751U Constant voltage source to constant current source converting circuit
06/22/2011CN201876750U Automatic voltage regulation circuit of solar photovoltaic power generation system
06/22/2011CN102105981A Semiconductor package with integrated interference shielding and method of manufacture therof
06/22/2011CN102103386A Voltage regulating circuit, voltage regulating method and computer system of voltage regulating circuit
06/22/2011CN102101216A Power supply control part for laser welding machine
06/22/2011CN101566859B Device and method for controlling reference voltage and device for generating reference voltage
06/22/2011CN101557164B Low-voltage power-generating circuit and device thereof
06/22/2011CN101552560B Switch voltage-stabilizing circuit and control method thereof
06/22/2011CN101453170B Electric power circuit with discrete components
06/22/2011CN101436079B Programmable sectional type current control apparatus
06/22/2011CN101297608B Method and device for operating ultra-high voltage short-arc discharge lamp
06/21/2011US7965529 Voltage source inverter and medium voltage pre-charge circuit therefor
06/21/2011US7965133 Compensation techniques for reducing power consumption in digital circuitry
06/21/2011US7965132 Transistor output circuit and method
06/21/2011US7965130 Low power charge pump and method of operation
06/21/2011US7965129 Temperature compensated current reference circuit
06/21/2011US7965071 DC-DC boost converter
06/21/2011US7965070 Switching power supply with slope compensation circuit and added slope circuit
06/21/2011US7965069 Power converter and multiport power converter
06/21/2011US7965068 Switching power supply controller with high frequency current balance
06/21/2011US7965067 Dynamic compensation for a pre-regulated charge pump
06/21/2011US7965066 Voltage regulation system
06/21/2011US7965065 Trimming circuit
06/21/2011US7965064 Power conversion regulator with predictive energy balancing
06/21/2011CA2785593A1 Redundant module with symmetrical current paths
06/16/2011WO2011072248A1 System and method for biasing active devices
06/16/2011WO2011070548A1 System for the electronic management of photovoltaic cells as a function of meteorology
06/16/2011WO2011070547A1 System for the electronic management of photovoltaic cells with adapted thresholds
06/16/2011US20110144831 Power supply control system and power supply control method
06/16/2011US20110141837 Voltage regulation circuitry
06/16/2011US20110140769 Circuit for generating a reference electrical quantity
06/16/2011US20110140768 Internal voltage generator
06/16/2011US20110140765 Internal negative voltage generation device
06/16/2011US20110140679 Switching Capacitor-PWM Power Converter