| 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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| 11/18/2008 | US7453709 Method and apparatus for increasing the power capability of a power supply |
| 11/18/2008 | US7453314 Temperature-independent current source circuit |
| 11/18/2008 | US7453312 Voltage regulator outputting positive and negative voltages with the same offsets |
| 11/18/2008 | US7453311 Method and apparatus for compensating for process variations |
| 11/18/2008 | US7453251 Voltage tracking reference for a power regulator |
| 11/18/2008 | US7453250 PWM controller with dual-edge modulation using dual ramps |
| 11/18/2008 | US7453249 Method for controlling the operation of a low-dropout voltage regulator and corresponding integrated circuit |
| 11/18/2008 | US7453248 Switching power supply device |
| 11/18/2008 | US7453247 DC to DC voltage converter |
| 11/18/2008 | US7453246 Adaptive PWM pulse positioning for fast transient response |
| 11/18/2008 | US7453245 Method and system for providing precise current regulation and limitation for a power supply |
| 11/18/2008 | US7453244 Low dropout regulator with control loop for avoiding hard saturation |
| 11/18/2008 | US7453243 Switching power supply with multiple output voltages and an intermittent oscillation pulse in standby |
| 11/18/2008 | US7453239 Charging apparatus having a switching element for controlling charging power |
| 11/18/2008 | US7453217 Marketplace illumination methods and apparatus |
| 11/18/2008 | US7452098 Active enclosure for computing device |
| 11/13/2008 | WO2008137725A1 User selectable pin for connection of an internal regulator to an external filter/stabilization capacitor and prevention of a current surge therebetween |
| 11/13/2008 | WO2008137707A1 Regulator bypass start-up in an integrated circuit device |
| 11/13/2008 | WO2008137625A2 Method and system for adaptive power management |
| 11/13/2008 | WO2008137203A1 Equalizing light output at opposite ends of a fluorescent lamp array |
| 11/13/2008 | WO2008135729A1 Voltage regulator for lnb |
| 11/13/2008 | WO2008135519A1 A device |
| 11/13/2008 | WO2008116042A3 Power supply |
| 11/13/2008 | WO2007138344A3 Forward power converters and controllers |
| 11/13/2008 | WO2007021935A3 Apparatus and method for driving light-emitting diodes (leds) |
| 11/13/2008 | US20080279399 Power Control Apparatus, Speaker Apparatus and Power Control Method |
| 11/13/2008 | US20080278982 Power Factor Correction Boost Circuit |
| 11/13/2008 | US20080278226 Method and apparatus for powering down analog integrated circuits |
| 11/13/2008 | US20080278225 Method and apparatus for regulating power in a flyback converter |
| 11/13/2008 | US20080278223 Apparatus and method for controlling the propagation delay of a circuit by controlling the voltage applied to the circuit |
| 11/13/2008 | US20080278220 High-linearity low noise amplifier and method |
| 11/13/2008 | US20080278135 Bootstrap clamping circuit for dc/dc regulators and method thereof |
| 11/13/2008 | US20080278134 Switching power supply device |
| 11/13/2008 | US20080278133 Irregular voltage detection and cutoff circuit using bandgap reference voltage generation circuit |
| 11/13/2008 | US20080278131 Switching mode power supply and driving method thereof |
| 11/13/2008 | US20080278130 Resonance type electric power conversion apparatus and method |
| 11/13/2008 | US20080278129 Switching regulator capable of preventing reverse current |
| 11/13/2008 | US20080278127 Constant-Voltage Power Supply Circuit with Fold-Back-Type Overcurrent Protection Circuit |
| 11/13/2008 | US20080278126 Voltage down converter |
| 11/13/2008 | US20080278125 Apparatus for optimizing diode conduction time during a deadtime interval |
| 11/13/2008 | US20080278124 Method and circuit for generating output voltages from input voltage |
| 11/13/2008 | US20080278123 Switching regulator circuit, system, and method for providing input current measurement without a dedicated input current sense element |
| 11/13/2008 | US20080278122 Apparatus and method for termination powered differential interface periphery |
| 11/13/2008 | US20080278099 Controlling electroluminescent panels in response to cumulative utilization |
| 11/13/2008 | US20080278086 Electronic ballast having a boost converter with an improved range of output power |
| 11/13/2008 | DE112006003483T5 Energieversorgungssteuerung und Schwellenwerteinstellverfahren dafür Power supply controller and Schwellenwerteinstellverfahren for |
| 11/13/2008 | DE112006003482T5 Energieversorgungssteuerung Power supply controller |
| 11/12/2008 | EP1989605A1 Electronic device for regulating the voltage across a high-side load |
| 11/12/2008 | EP1989604A1 System for voltage regulation, control, protection and monitoring of state of changers under power transformer load, voltage regulators, capacitor banks and similar |
| 11/12/2008 | EP1861760A4 Bootstrapping circuit capable of sampling inputs beyond supply voltage |
| 11/12/2008 | CN201149667Y Time-delay charging type stepless high-order tracking system for stabilized voltage supply |
| 11/12/2008 | CN201149666Y Control circuit of voltage stabilizer |
| 11/12/2008 | CN201149665Y Silicon-controlled ac voltage stabilizer |
| 11/12/2008 | CN201149664Y Three-phase adjusting-uniformly voltage stabilizer |
| 11/12/2008 | CN101305332A Buck DC to dc converter and method |
| 11/12/2008 | CN101304627A Constant power control method for electric ballast of high-strength air discharge lamp |
| 11/12/2008 | CN101304220A Stabilized voltage supply apparatus for high frequency switch |
| 11/12/2008 | CN101303882A Power regulator circuitry for programmable logic device memory elements |
| 11/12/2008 | CN101303609A Low pressure difference voltage regulator with low load regulation rate |
| 11/12/2008 | CN100433522C Double buck/boost two-way AC chopper |
| 11/12/2008 | CN100433521C In-situ high voltage switch and bus temperature detecting system and its powered method |
| 11/12/2008 | CN100433514C Power supply circuit including stably operating voltage regulators |
| 11/12/2008 | CN100432886C Double ring low differential voltage linear voltage stabilizer circuit |
| 11/12/2008 | CN100432885C Constant-voltage circuit |
| 11/12/2008 | CN100432884C Method for raising constant-current source circuit performance |
| 11/12/2008 | CN100432883C Current averaging circuit for a PWM power converter |
| 11/12/2008 | CN100432882C Lamp driving topology |
| 11/11/2008 | US7450910 Non-contact power supply system |
| 11/11/2008 | US7450407 Control method of AC/DC power converter for input current harmonic suppression |
| 11/11/2008 | US7450402 Soft switching high efficiency flyback converter |
| 11/11/2008 | US7450360 Multi-mode regulator |
| 11/11/2008 | US7449944 Internal voltage generator |
| 11/11/2008 | US7449940 Buffer circuit |
| 11/11/2008 | US7449939 Bias generator with feedback control |
| 11/11/2008 | US7449938 Apparatus and method for generating internal voltage in semiconductor integrated circuit |
| 11/11/2008 | US7449937 Power supply circuit |
| 11/11/2008 | US7449874 System and method for voltage control of adjustable regulators |
| 11/11/2008 | US7449870 Circuitry and method for limiting peak current from a voltage source |
| 11/11/2008 | US7449869 Digital current mode controller with low frequency current sampling |
| 11/11/2008 | US7449868 Current controlled gate driver for power switches |
| 11/11/2008 | US7449867 Multi-phase buck converter with a plurality of coupled inductors |
| 11/11/2008 | US7449866 Booster that utilizes energy output from a power supply |
| 11/11/2008 | US7449851 Arrangement for automatically influencing a mains supply and motor drive therefor |
| 11/11/2008 | US7449844 Digital power controller for gas discharge devices and the like |
| 11/06/2008 | WO2008134419A1 Low drop out voltage regulator circuit assembly |
| 11/06/2008 | US20080273383 High voltage generator circuit and flash memory device including the same |
| 11/06/2008 | US20080272836 Interrupt/Wake-Up of an Electronic Device in a Low Power Sleep Mode When Detecting a Sensor or Frequency Source Activated Frequency Change |
| 11/06/2008 | US20080272835 Interrupt/Wake-Up of an Electronic Device in a Low Power Sleep Mode When Detecting a Sensor or Frequency Source Activated Frequency Change |
| 11/06/2008 | US20080272834 Absolute Multi-Revolution Encoder |
| 11/06/2008 | US20080272833 Charge Pump |
| 11/06/2008 | US20080272832 Charge pump circuit and method of controlling the same |
| 11/06/2008 | US20080272831 Charge Pump CMOS Circuit |
| 11/06/2008 | US20080272829 Semiconductor device including multilayer wiring board with power supply circuit |
| 11/06/2008 | US20080272759 DC converter with halt mode setting means |
| 11/06/2008 | US20080272758 Switching Power Converter with Switch Control Pulse Width Variability at Low Power Demand Levels |
| 11/06/2008 | US20080272757 Power supply dc voltage offset detector |
| 11/06/2008 | US20080272756 Power factor correction controller with digital fir filter output voltage sampling |
| 11/06/2008 | US20080272755 System and method with inductor flyback detection using switch gate charge characteristic detection |
| 11/06/2008 | US20080272754 Constant voltage power supply circuit and method of controlling the same |
| 11/06/2008 | US20080272753 Regulator circuit |