| 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) |
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| 05/12/2009 | US7532061 Charge-pump type, voltage-boosting device with reduced ripple, in particular for non-volatile flash memories |
| 05/12/2009 | US7532060 Charge-pump device with increased current output |
| 05/12/2009 | US7532059 Semiconductor integrated circuit device and substrate bias controlling method |
| 05/12/2009 | US7531997 Control device of a switching converter and relative switching converter |
| 05/12/2009 | US7531996 Low dropout regulator with wide input voltage range |
| 05/12/2009 | US7531995 Electronic device |
| 05/12/2009 | US7531994 Constant voltage regulator for generating a low voltage output |
| 05/12/2009 | US7531991 Output voltage regulator for engine-driven generator |
| 05/12/2009 | US7531970 Power source driving circuits and controllers thereof |
| 05/07/2009 | WO2009058973A2 Bga package with traces for plating pads under the chip |
| 05/07/2009 | WO2009025517A3 Power factor correction circuit |
| 05/07/2009 | WO2009015148A3 Dimming system powered by two current sources and having an operation indicator module |
| 05/07/2009 | WO2007120849A3 Method and apparatus for managing and uniformly maintaining pixel circuitry in a flat panel display |
| 05/07/2009 | WO2007106135A3 Precision non-volatile cmos reference circuit |
| 05/07/2009 | WO2007035724A3 Soft-start circuit and method for power-up of an amplifier circuit |
| 05/07/2009 | WO2006109313A3 Field configurable ballast |
| 05/07/2009 | US20090116329 Internal-voltage generating circuit and semiconductor device including the same |
| 05/07/2009 | US20090115505 Semiconductor device with controllable decoupling capacitor |
| 05/07/2009 | US20090115503 Variability-Aware Scheme for High-Performance Asynchronous Circuit Voltage Reglulation |
| 05/07/2009 | US20090115502 Reference current circuit, reference voltage circuit, and startup circuit |
| 05/07/2009 | US20090115501 Power consumption reduction of a power supply |
| 05/07/2009 | US20090115500 Voltage generating circuit |
| 05/07/2009 | US20090115499 Capacitance coupling effect compensating method and apparatus implemented with the method |
| 05/07/2009 | US20090115496 Vpp voltage generator for generating stable vpp voltage |
| 05/07/2009 | US20090115495 Drive circuit, voltage conversion device and audio system |
| 05/07/2009 | US20090115494 Charge pump warm-up current reduction |
| 05/07/2009 | US20090115392 Switching regulator |
| 05/07/2009 | US20090115391 Load-Dependent Frequency Jittering Circuit and Load-Dependent Frequency Jittering Method |
| 05/07/2009 | US20090115390 Power converter with protection mechanism for diode in open-circuit condition and pulse-width-modulation controller thereof |
| 05/07/2009 | US20090115389 Pulse width modulation regulator system with automatically switching pulse skipping mode |
| 05/07/2009 | US20090115388 DC/DC converter |
| 05/07/2009 | US20090115387 Voltage generating circuit |
| 05/07/2009 | US20090115386 Power supply circuit and portable device |
| 05/07/2009 | US20090115385 Dual circuit wall switch occupancy sensor and method of operating same |
| 05/07/2009 | US20090115384 Distributed Power Management |
| 05/07/2009 | US20090115383 System And Method For Controlling Mode Crossover Time In A Power Supply |
| 05/07/2009 | US20090115382 Linear regulator circuit, linear regulation method and semiconductor device |
| 05/07/2009 | US20090115381 Automatic frequency control for series resonant switched mode power supply |
| 05/07/2009 | US20090115380 Internal voltage generator |
| 05/07/2009 | US20090115379 Soft-Start Circuit for Power Regulators |
| 05/07/2009 | US20090115346 PNP light emitting transistor and method |
| 05/07/2009 | US20090115345 High efficiency off-line linear power supply |
| 05/07/2009 | US20090114947 Semiconductor device and inverter circiut having the same |
| 05/06/2009 | EP2056180A1 Solar photovoltaic power generation system, vehicle, solar photovoltaic power generation system control method, and computer readable recording medium having recorded therein program for causing computer to execute that control method |
| 05/06/2009 | EP2054902A1 Electric motor drive unit for on-load tap-changers |
| 05/06/2009 | EP2054787A1 Control device for power factor correction device in forced switching power supplies |
| 05/06/2009 | EP2054786A2 Unified control of single and three-phase power converters |
| 05/06/2009 | CN201234380Y Electricity-economizing automatic controller for road lamp |
| 05/06/2009 | CN201234371Y Improved LED driving circuit |
| 05/06/2009 | CN201234210Y Switch power supply for electric pressure cooker |
| 05/06/2009 | CN201234165Y Automatic control apparatus for power distribution system |
| 05/06/2009 | CN201234158Y Switch circuit and electric shaver |
| 05/06/2009 | CN201233548Y Voltage-current conversion circuit |
| 05/06/2009 | CN201233547Y Low voltage difference linear voltage stabilizer for accumulator |
| 05/06/2009 | CN201233546Y Voltage regulating, stabilizing circuit for self-coupling transformer |
| 05/06/2009 | CN201233545Y Automatic constant pressure loaded regulating apparatus |
| 05/06/2009 | CN201233543Y Simple temperature controller detection circuit |
| 05/06/2009 | CN201233542Y Pressure regulating type temperature controller |
| 05/06/2009 | CN101425755A Accurate voltage regulating and stabilizing device |
| 05/06/2009 | CN101424951A Low cost high precision numerical control constant-current source |
| 05/06/2009 | CN100486109C Voltage generating circuit |
| 05/06/2009 | CN100486090C Voltage source and current source with capacitor |
| 05/06/2009 | CN100486089C Switching power supply |
| 05/06/2009 | CN100485571C Output adjustable voltage-stabilized source |
| 05/06/2009 | CN100485547C Fixing device |
| 05/06/2009 | CN100485442C Vehicle carried night-vision system |
| 05/05/2009 | US7529608 Vehicle drive control device |
| 05/05/2009 | US7529109 Driving circuit for switching DC power |
| 05/05/2009 | US7528648 Replica biased system |
| 05/05/2009 | US7528647 Semiconductor integrated circuit which generates different voltages based on an external power supply voltage and a generating method of the different voltages |
| 05/05/2009 | US7528591 PWM control system |
| 05/05/2009 | US7528590 DC/DC boost converter with pulse skipping circuitry |
| 05/05/2009 | US7528589 Step-up DC/DC converter and electronic appliance therewith |
| 05/05/2009 | US7528588 Method and circuit for limiting output voltage in a switched-mode power supply and a switched-mode power supply |
| 05/05/2009 | US7528587 Switched converter with variable peak current and variable off-time control |
| 05/05/2009 | US7528586 Harmonics related synchronization for switching regulators |
| 05/05/2009 | US7528556 Light regulation device |
| 05/05/2009 | US7528555 LED controller IC using only one pin to dim and set a maximum LED current |
| 05/05/2009 | US7528554 Electronic ballast having a boost converter with an improved range of output power |
| 05/05/2009 | US7528553 Lighting control apparatus for vehicle lighting device |
| 05/05/2009 | CA2476909C Modular ac voltage supply and algorithm for controlling the same |
| 05/05/2009 | CA2472548C Solar panel having visual indicator |
| 04/30/2009 | WO2009054059A1 Power supply system and voltage monitoring method |
| 04/30/2009 | US20090108924 Structure for Managing Voltage Swings Across Field Effect Transistors |
| 04/30/2009 | US20090108923 Structure for Precision Integrated Phase Lock Loop Circuit Loop Filter |
| 04/30/2009 | US20090108922 Method and System for Managing Voltage Swings Across Field Effect Transistors |
| 04/30/2009 | US20090108921 Timing Control circuit with power-saving function and method thereof |
| 04/30/2009 | US20090108920 Energy-saving circuit and method using charge equalization across complementary nodes |
| 04/30/2009 | US20090108919 Power supply circuit using insulated-gate field-effect transistors |
| 04/30/2009 | US20090108915 Charge Pump System and Method of Operating the Same |
| 04/30/2009 | US20090108912 Circuit Architecture for Radiation Resilience |
| 04/30/2009 | US20090108888 Switched-Capacitor Charge Pumps |
| 04/30/2009 | US20090108826 Modulator with linear period stretching capability |
| 04/30/2009 | US20090108825 Charging circuit for a vehicle charger |
| 04/30/2009 | US20090108824 Power supply controller and method therefor |
| 04/30/2009 | US20090108823 Control circuit and method for maintaining high efficiency in switching regulator |
| 04/30/2009 | US20090108822 Power supply unit and portable device |
| 04/30/2009 | US20090108821 Multi-phase voltage regulation module |
| 04/30/2009 | US20090108820 Topology for a positive buck-boost switching regulator |
| 04/30/2009 | US20090108819 Method for controlling start time series by stages |