| 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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| 09/29/2005 | US20050213272 Power generation system, and administration apparatus and administration method of power generation system |
| 09/29/2005 | US20050213268 Method and circuit for improving device power up timing and predictability |
| 09/29/2005 | US20050212586 High efficiency, low cost, charge pump circuit |
| 09/29/2005 | US20050212502 Low audible noise power supply controller and method therefor |
| 09/29/2005 | US20050212501 Method and system for low-cost and high performance power factor correction |
| 09/29/2005 | US20050212500 Control circuit |
| 09/29/2005 | US20050212499 Switching regulator control circuit, switching regulator and switching regulator control method |
| 09/29/2005 | US20050212497 DC-DC converter and control method thereof |
| 09/29/2005 | US20050212496 Voltage regulator |
| 09/29/2005 | US20050212494 Reactive power compensator device |
| 09/29/2005 | US20050212489 Over voltage transient controller |
| 09/29/2005 | US20050212484 Circuits capable of trickle precharge and/or trickle discharge |
| 09/29/2005 | US20050212463 Ballast for high intensity discharging lamp |
| 09/29/2005 | US20050212462 Low-visual noise, jitterized pulse width modulation brightness control circuit |
| 09/29/2005 | US20050212461 Projection type video display apparatus |
| 09/29/2005 | US20050212459 System and method for driving a plurality of loads |
| 09/29/2005 | US20050212453 Current pause device for an electric power circuit interrupter |
| 09/29/2005 | US20050212452 Waveform generator for controlling an electron beam in a cathode ray tube |
| 09/29/2005 | US20050212438 Vehicle power supply system with a series regulator |
| 09/29/2005 | DE102004010914A1 Verfahren und Vorrichtung zur Regelung eines durch eine induktive Last fließenden Stromes Method and apparatus for controlling a current flowing through an inductive load current |
| 09/29/2005 | CA2559194A1 Constant current class 3 lighting system |
| 09/28/2005 | EP1581029A1 Induction heating cooking appliance |
| 09/28/2005 | EP1580872A2 Control circuit |
| 09/28/2005 | EP1580871A1 A quasi-active power factor correction circuit for switching power supply |
| 09/28/2005 | EP1580862A1 Master/slave control of parallel connected solar battery modules |
| 09/28/2005 | EP1580639A1 Transition mode power factor correction device in switching power supplies |
| 09/28/2005 | EP1580638A1 Transition mode power factor correction device in switching power supplies |
| 09/28/2005 | EP1580637A1 Low drop-out DC voltage regulator |
| 09/28/2005 | CN2730018Y Wide voltage input stabilized output type DC/DC power module with high separation ability |
| 09/28/2005 | CN2729773Y Voltage stabilizing electric saving apparatus |
| 09/28/2005 | CN1675607A Circuit and method for setting the operation point of a bgr circuit |
| 09/28/2005 | CN1675606A 电压调节器 Voltage Regulator |
| 09/28/2005 | CN1675605A Closed loop current control circuit and method thereof |
| 09/28/2005 | CN1674425A 电压调节器 Voltage Regulator |
| 09/28/2005 | CN1674423A DC-DC converter and control method thereof |
| 09/28/2005 | CN1674421A 控制电路 The control circuit |
| 09/28/2005 | CN1674403A Over voltage transient controller |
| 09/28/2005 | CN1674402A Circuits capable of trickle precharge and/or trickle discharge |
| 09/28/2005 | CN1674394A Electricity balancing method and electric system capable of avoiding power-off when power-supply deficiency of electric network |
| 09/28/2005 | CN1674060A Projection type video display apparatus |
| 09/27/2005 | US6949972 Apparatus and method for current sink circuit |
| 09/27/2005 | US6949971 Reference voltage generating circuit for outputting multi-level reference voltage using fuse trimming |
| 09/27/2005 | US6949932 Method for monitoring a power supply of a control unit in a motor vehicle |
| 09/27/2005 | US6949912 Enabling circuit for avoiding negative voltage transients |
| 09/27/2005 | US6949888 Dimming ballast control IC with flash suppression circuit |
| 09/22/2005 | WO2005088418A1 Charge pump circuit using active feedback controlled current sources |
| 09/22/2005 | US20050208902 Signal transmission circuit, signal output circuit and termination method of signal transmission circuit |
| 09/22/2005 | US20050207193 Transition mode operating device for the correction of the power factor in switching power supply units |
| 09/22/2005 | US20050207187 Transition mode operating device for the correction of the power factor in switching power supply units |
| 09/22/2005 | US20050206442 Constant current circuit and active filter circuit using the same |
| 09/22/2005 | US20050206440 High voltage generator in semiconductor memory device |
| 09/22/2005 | US20050206437 Pre-regulator with reverse current blocking |
| 09/22/2005 | US20050206361 DC-DC converter for boosting input voltage at variable frequency |
| 09/22/2005 | US20050206360 Startup via FB pin regulation |
| 09/22/2005 | US20050206359 Detecting currents in a switching regulator |
| 09/22/2005 | US20050206356 Method and apparatus for regulating a current through an inductive load |
| 09/22/2005 | US20050206355 Configurable internal/external linear voltage regulator |
| 09/22/2005 | US20050206323 Electric power supply apparatus having input switching circuit |
| 09/22/2005 | DE102005009494A1 Tragbare Bildaufnahmevorrichtung und Versorgungsspannungs-Umschaltsteuerverfahren Portable imaging device and supply voltage switching control |
| 09/22/2005 | DE102005005290A1 Konstantstromquellen-Vorrichtung mit zwei seriellen Verarmungs-MOS-Transistoren Constant current source device with two serial depletion MOS transistors |
| 09/22/2005 | DE102004060656A1 Stromunterbrecherschaltung und elektrische Lenkradsperre Circuit breaker circuit and electric steering lock |
| 09/22/2005 | DE102004010169A1 Schaltungsanordnung und Verfahren zur Reduzierung von Übersprechen Circuit arrangement and method for reducing crosstalk |
| 09/22/2005 | CA2559971A1 Heater for an automotive vehicle and method of forming same |
| 09/21/2005 | EP1576437A1 System for voltage stabilization of power supply lines |
| 09/21/2005 | EP1149334B1 An apparatus for voltage regulation and recovery of signal termination energy |
| 09/21/2005 | CN2728075Y Intelligent fast multi-capacity reactive power auto compensator |
| 09/21/2005 | CN1672316A Method and device for controlling voltage |
| 09/21/2005 | CN1671035A A method of photovoltaic grid-connected inversion |
| 09/21/2005 | CN1220321C Switch power source unit |
| 09/21/2005 | CN1220099C Power supply unit and display device equipped with the same |
| 09/20/2005 | US6946904 USB with over-voltage and short-circuit protection |
| 09/20/2005 | US6946900 Current output circuit |
| 09/20/2005 | US6946899 Charge pump circuit |
| 09/20/2005 | US6946829 Device for measuring a chopped current |
| 09/20/2005 | US6946821 Voltage regulator with enhanced stability |
| 09/20/2005 | US6946808 Motor drive control circuit and motor drive apparatus |
| 09/20/2005 | US6946753 Switching power converter controller with watchdog timer |
| 09/20/2005 | US6946752 Input power stabilizing circuit |
| 09/20/2005 | CA2134743C Ac/dc power supply |
| 09/15/2005 | WO2005085970A1 Automatic power factor correction using power measurement chip |
| 09/15/2005 | WO2005084258A2 Hybrid digital-analog switched power supply |
| 09/15/2005 | US20050200399 Charge-pump with improved biasing of the body regions of the pass-transistors |
| 09/15/2005 | US20050200345 Source and sink voltage regulator |
| 09/15/2005 | US20050200343 Switching regulator and control method therefor |
| 09/15/2005 | US20050200342 Enable and disable of diode emulation in a DC/DC converter |
| 09/15/2005 | US20050200341 Multiple mode switching regulator having an automatic sensor circuit for power reduction |
| 09/15/2005 | US20050200339 Methods for electrically isolating a portable electrically-operated device and converter module for portable electrically-operated device |
| 09/15/2005 | US20050200316 Cold cathode fluorescent lamp driving system |
| 09/15/2005 | US20050200315 Sampling for color control feedback using an optical cable |
| 09/15/2005 | US20050200311 Light source control system |
| 09/15/2005 | US20050200310 Active matrix liquid crystal display |
| 09/15/2005 | US20050200309 Image forming apparatus |
| 09/15/2005 | US20050200308 Constant current class 3 lighting system |
| 09/15/2005 | DE10393689T5 Steuervorrichtung für eine automatische Maschine A control apparatus for an automatic machine |
| 09/15/2005 | DE102005006867A1 Halbleiterschalter Semiconductor switches |
| 09/15/2005 | CA2556779A1 Automatic power factor correction using power measurement chip |
| 09/14/2005 | EP1574927A1 Power factor correction system |
| 09/14/2005 | EP1574863A1 Method of measuring a monophase voltage |
| 09/14/2005 | CN2725963Y Energy-saving AC voltage stabilized source |
| 09/14/2005 | CN1669208A Inverter |