| 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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| 01/11/2011 | US7869234 Poly-phase AC/DC active power converter |
| 01/11/2011 | US7869228 Power delivery systems and methods with dynamic look-up table |
| 01/11/2011 | US7868686 Band gap circuit |
| 01/11/2011 | US7868685 Electronic circuit device operable under power supply |
| 01/11/2011 | US7868684 Semiconductor device whose internal power supply voltage is generated by voltage step-up circuit |
| 01/11/2011 | US7868605 Mixed mode power regulator circuitry for memory elements |
| 01/11/2011 | US7868603 Method and apparatus to compensate for supply voltage variations in a PWM-based voltage regulator |
| 01/11/2011 | US7868602 Power supply device and electronic appliance therewith |
| 01/11/2011 | US7868601 System and method for controlling a regulator circuit for radio frequency power amplifier biases |
| 01/11/2011 | US7868600 Adaptive PWM pulse positioning for fast transient response |
| 01/11/2011 | US7868599 Method of optimum current blanking time implementation in current sense circuit |
| 01/11/2011 | US7868598 Switching regulator |
| 01/11/2011 | US7868597 Dead-time transition adjustments for synchronous power converters |
| 01/11/2011 | US7868596 Method of controlling a step-up DC-DC converter and related converter |
| 01/11/2011 | US7868595 Apparatus and method for soft-start mode transition in a switching regulator |
| 01/11/2011 | US7868563 Light emitting device drive circuit and vehicle lamp using the same |
| 01/11/2011 | US7868562 Luminaire control system and method |
| 01/11/2011 | CA2489351C Energy store circuit for controlling rotor rotation |
| 01/06/2011 | WO2011002738A2 Power management apparatus with buck boost converter module |
| 01/06/2011 | US20110002147 Switching power supply apparatus and semiconductor device for switching power supply regulation |
| 01/06/2011 | US20110001744 Arrangement Comprising a First Electronic Device and a Power Supply Unit and Method for Operating an Electronic Device |
| 01/06/2011 | US20110001558 Integrated circuit comprising a broadband high voltage buffer |
| 01/06/2011 | US20110001556 Integrated circuit |
| 01/06/2011 | US20110001555 Test circuit for monitoring a bandgap circuit |
| 01/06/2011 | US20110001554 Charge pump circuit and semiconductor integrated circuit |
| 01/06/2011 | US20110001553 Method of driving reverse conducting semiconductor device, semiconductor device and power supply device |
| 01/06/2011 | US20110001462 Electronic device and method for dc-dc conversion |
| 01/06/2011 | US20110001461 Buck-boost switching regulator and control circuit and method therefor |
| 01/06/2011 | US20110001460 Lower power controller for dc to dc converters |
| 01/06/2011 | US20110001459 Circuit arrangement for controlling an inductive load |
| 01/06/2011 | US20110001458 Voltage regulator |
| 01/05/2011 | EP1769299B1 Common-mode voltage generator for a battery-supplied handset apparatus |
| 01/05/2011 | EP1756690B1 Precision chopper-stabilized current mirror |
| 01/05/2011 | DE112008003659T5 Nanostrukturen und Verfahren zum Herstellen derselben Nanostructures and methods for manufacturing the same |
| 01/05/2011 | CN201699599U Intrinsic-intrinsic-safety power supply with high output power |
| 01/05/2011 | CN201698248U Novel voltage stabilizer |
| 01/05/2011 | CN201698247U Reverse exciting type switch converter controller integrated circuit |
| 01/05/2011 | CN101939654A Method and device for measuring the electric power of a universal electric motor powered by sinusoidal alternating voltage |
| 01/05/2011 | CN101937650A LED display, LED drive circuit and output circuit thereof |
| 01/05/2011 | CN101572415B Method for controlling series voltage quality compensator |
| 01/04/2011 | US7864021 Integrated circuit device |
| 01/04/2011 | US7863970 Current source device |
| 01/04/2011 | US7863969 Power supply voltage dropping circuit using an N-channel transistor output stage |
| 01/04/2011 | US7863968 Variable-output current-load-independent negative-voltage regulator |
| 01/04/2011 | US7863967 Multistage regulator for charge-pump boosted voltage applications |
| 01/04/2011 | US7863881 Regulator circuit and car provided with the same |
| 01/04/2011 | US7863880 Adaptive control loop |
| 01/04/2011 | US7863879 AC signal producer and method thereof |
| 01/04/2011 | US7863878 Voltage regulator for write/read assist circuit |
| 01/04/2011 | US7863877 Monolithically integrated III-nitride power converter |
| 01/04/2011 | US7863876 Built-in self-calibration (BISC) technique for regulation circuits used in non-volatile memory |
| 01/04/2011 | US7863875 Non-linear control techniques for improving transient response to load current step change |
| 01/04/2011 | US7863874 Linear voltage regulator with a transistor in series with the feedback voltage divider |
| 01/04/2011 | US7863873 Power management circuit and method of frequency compensation thereof |
| 01/04/2011 | US7863872 Buck-boost switching regulator and control method thereof |
| 01/04/2011 | US7863871 Apparatus and method for monitoring for a maintain power signature (MPS) of a powered device (PD) in a power source equipment (PSE) controller |
| 01/04/2011 | US7863870 Self-adjusting bleeder for a forward converter |
| 01/04/2011 | US7863869 Multiple level current regulator |
| 01/04/2011 | US7863838 Power supply system provided with a plurality of power supplies, and vehicle provided with such power supply system |
| 01/04/2011 | US7863833 DC/DC converter control circuit, and power supply apparatus, light emitting apparatus and electronic device using the same |
| 01/04/2011 | US7863774 Multi-output power supply |
| 01/04/2011 | CA2572682C Power flow controller responsive to power circulation demand for optimizing power transfer |
| 12/30/2010 | US20100329067 Charge pump and semiconductor device having the same |
| 12/30/2010 | US20100327981 Charge Pump Linearization Technique For Delta-Sigma Fractional-N Synthesizers |
| 12/30/2010 | US20100327962 Semiconductor integrated circuit |
| 12/30/2010 | US20100327961 Semiconductor integrated circuit device and power supply voltage control system |
| 12/30/2010 | US20100327960 Integrated circuit operable in a standby mode |
| 12/30/2010 | US20100327959 High efficiency charge pump |
| 12/30/2010 | US20100327954 Semiconductor device |
| 12/30/2010 | US20100327837 Power converter for traction control and transportation system |
| 12/30/2010 | US20100327836 Controllers for dc to dc converters |
| 12/30/2010 | US20100327835 Integrator for providing overshoot protection and light switching mode during non-zero load condition for an led driver circuitry |
| 12/30/2010 | US20100327834 Voltage regulator using depletion mode pass driver and boot-strapped, input isolated floating reference |
| 12/30/2010 | US20100327833 Buck-Boost Switching Regulator and Method Thereof |
| 12/30/2010 | US20100327832 Constant current output control type switching regulator |
| 12/30/2010 | US20100327831 Constant current supply type of switching regulator |
| 12/30/2010 | US20100327830 Low voltage drop out regulator |
| 12/30/2010 | US20100327829 Monitoring and control circuit for adjusting current |
| 12/30/2010 | US20100327828 Mosfet current limiting circuit, linear voltage regulator and voltage converting circuit |
| 12/30/2010 | US20100327827 Method for balancing current |
| 12/30/2010 | US20100327826 Power Management Unit for Use in Portable Applications |
| 12/30/2010 | US20100327825 Switching regulator circuit, system, and method for providing input current measurement without a dedicated input current sense element |
| 12/30/2010 | US20100327824 Power supply using shared flux in a multi-load parallel magnetic circuit |
| 12/30/2010 | US20100327823 Reactive power compensation circuit |
| 12/30/2010 | US20100327822 Distributed power supply system |
| 12/30/2010 | US20100327821 Method for controlling a var compensator |
| 12/29/2010 | WO2010151754A2 Reference voltage generator having a two transistor design |
| 12/29/2010 | WO2010151417A1 Voltage regulator using depletion mode pass driver and boot-strapped, input isolated floating reference |
| 12/29/2010 | WO2010151347A1 Systems methods and devices for power control in mass storage devices |
| 12/29/2010 | WO2010150828A1 Electric-power supplying device |
| 12/29/2010 | WO2010148993A1 Voltage regulating method, device and system |
| 12/29/2010 | EP2267897A1 Input/output buffer |
| 12/29/2010 | EP2267572A1 Solar array regulator based on step-up and down conversion and solar power system comprising the same |
| 12/29/2010 | EP1508078B1 Voltage regulator with dynamically boosted bias current |
| 12/29/2010 | CN201690377U Global maximum power point tracking device of photovoltaic power generation system |
| 12/29/2010 | CN201690264U Solar energy, wind energy and lithium battery integrated power management system |
| 12/29/2010 | CN201690063U Power supply socket with controllable output power and time |
| 12/29/2010 | CN201689354U Voltage output circuit and closed ring control system |
| 12/29/2010 | CN101933140A Nanostructures and methods of making the same |
| 12/29/2010 | CN101931328A High-voltage switch power supply for power modulator of travelling wave tube |