| 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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| 07/09/2009 | WO2009048563A3 Compressor having a power factor correction system and method |
| 07/09/2009 | US20090175419 Voltage generator of a radiation generator |
| 07/09/2009 | US20090175095 Voltage sensing circuit and method for operating the same |
| 07/09/2009 | US20090174587 Current switch circuit and d/a converter, semiconductor integrated circuit, and communication device using the same |
| 07/09/2009 | US20090174470 Latch-up protection device |
| 07/09/2009 | US20090174469 Sizing and Placement of Charge Recycling (CR) Transistors in Multithreshold Complementary Metal-Oxide-Semiconductor (MTCMOS) Circuits |
| 07/09/2009 | US20090174468 Thermal Sensing Circuit Using Bandgap Voltage Reference Generators Without Trimming Circuitry |
| 07/09/2009 | US20090174467 Power supply circuit for the wall mounted electronic switch |
| 07/09/2009 | US20090174465 Semiconductor integrated circuit |
| 07/09/2009 | US20090174463 Multi-system module having functional substrate |
| 07/09/2009 | US20090174383 Frequency compensation based on dual signal paths for voltage-mode switching regulators |
| 07/09/2009 | US20090174382 Method and Apparatus to Remove Energy from DC Loads |
| 07/09/2009 | US20090174381 Controller for a power supply |
| 07/09/2009 | US20090174380 Fixed frequency ripple regulator |
| 07/09/2009 | US20090174379 Dc-dc converter |
| 07/09/2009 | US20090174378 Hybrid Filter for High Slew Rate Output Current Application |
| 07/09/2009 | US20090174377 Multiphase transformer for a multiphase dc-dc converter |
| 07/09/2009 | US20090174376 DC-DC converter |
| 07/09/2009 | US20090174375 Sepic fed buck converter |
| 07/09/2009 | US20090174374 Dynamic multiphase operation |
| 07/09/2009 | US20090174373 Clamp circuit and combinational circuit thereof |
| 07/09/2009 | US20090174340 Direct-current power supply device, power supply device for driving led and semiconductor integrated circuit for controlling power supply |
| 07/09/2009 | DE112007002129T5 Spannungsregler mit Ansteuerungsübersteuerung Voltage regulator with control override |
| 07/09/2009 | DE102007059349A1 Load adjustment device for power management application specific integrated circuit of micro system, has device such as switch and switching electric rectifier, for reducing medium electric current flowing through electrical consumer |
| 07/09/2009 | DE102005006867B4 Halbleiterschalter mit Spannungsüberwachung Semiconductor switch with voltage monitoring |
| 07/08/2009 | EP2077453A1 Evaluation method |
| 07/08/2009 | EP2076951A2 System and method for detection multiple current limits |
| 07/08/2009 | CN201270007Y Voltage follower, SGND and PGND signal generator, and DC stabilized electric power |
| 07/08/2009 | CN201270006Y Control circuit for ensuring constant current source output voltage stable |
| 07/08/2009 | CN101477385A Constant-current constant-voltage circuit |
| 07/08/2009 | CN101477384A Voltage regulating apparatus of voltage stabilizer |
| 07/08/2009 | CN100511973C Voltage to current converter and method for converting |
| 07/08/2009 | CN100511081C Method and circuit for active power factor correction |
| 07/08/2009 | CN100511080C Integrated control device for wattless voltage |
| 07/08/2009 | CN100511079C A constant voltage circuit, a power system unit including plurality of the constant voltage circuits and control method thereof |
| 07/08/2009 | CN100511078C Load level switching circuit |
| 07/08/2009 | CN100511077C Capacitive feedback circuit |
| 07/08/2009 | CN100511076C Method and system for current sharing among a plurality of power modules |
| 07/08/2009 | CN100511075C Post-voltage regulation type voltage regulation control circuit of power supplier |
| 07/08/2009 | CN100511074C Power element protection circuit and semiconductor device comprising same |
| 07/07/2009 | US7558094 Control device for power conversion circuit |
| 07/07/2009 | US7558083 High efficiency power converter |
| 07/07/2009 | US7558059 Circuit board and electronic apparatus |
| 07/07/2009 | US7557641 Fractional charge pump for step-down DC-DC converter |
| 07/07/2009 | US7557640 Regulated charge pump with digital resistance control |
| 07/07/2009 | US7557639 Semiconductor device employing standby current reduction |
| 07/07/2009 | US7557637 Semiconductor circuit |
| 07/07/2009 | US7557558 Integrated circuit current reference |
| 07/07/2009 | US7557557 Current detection circuit, load drive circuit, and memory storage |
| 07/07/2009 | US7557555 Method to determine an operating characteristic of a vehicle power converter |
| 07/07/2009 | US7557554 Voltage/current control apparatus and method |
| 07/07/2009 | US7557552 Adaptive DC to DC converter system using a combination of duty cycle and slew rate modulations |
| 07/07/2009 | US7557551 Amplitude modulated switching voltage regulator |
| 07/07/2009 | US7557550 Supply regulator using an output voltage and a stored energy source to generate a reference signal |
| 07/07/2009 | US7557549 Automatic output mode select for an actuator controller |
| 07/07/2009 | US7557548 Safety barrier device employing an overload protection circuit for limiting current or voltage or current and voltage |
| 07/07/2009 | US7557546 Unidirectional DC-DC converter |
| 07/07/2009 | US7557545 Electric power unit operating in continuous and discontinuous conduction modes and control method therefor |
| 07/07/2009 | US7557544 Zero crossing detection for an electric power generation system |
| 07/07/2009 | US7557519 Controlling power to light-emitting device |
| 07/07/2009 | US7557467 Portable photographing apparatus and power switching control method |
| 07/02/2009 | WO2009082708A1 Advanced renewable energy harvesting |
| 07/02/2009 | US20090169189 Motor control apparatus |
| 07/02/2009 | US20090168843 Power-saving receiver circuits, systems and processes |
| 07/02/2009 | US20090168586 Circuit to control voltage ramp rate |
| 07/02/2009 | US20090167424 Current cell circuit in digital-analog converter |
| 07/02/2009 | US20090167423 Cpu core voltage supply circuit |
| 07/02/2009 | US20090167421 Step-down circuit, semiconductor device, and step-down circuit controlling method |
| 07/02/2009 | US20090167419 Voltage converting circuit |
| 07/02/2009 | US20090167418 Supply Regulated Charge Pump System |
| 07/02/2009 | US20090167417 Charge pumping circuit with decreased current consumption |
| 07/02/2009 | US20090167413 Semiconductor device and data outputting method of the same |
| 07/02/2009 | US20090167277 Common-Mode Voltage Generator for a Battery-Supplied Handset Apparatus |
| 07/02/2009 | US20090167276 Soft-Start Circuit and Method Thereof |
| 07/02/2009 | US20090167275 Voltage regulator feedback protection method and apparatus |
| 07/02/2009 | US20090167274 Pwm controller and the chip thereof |
| 07/02/2009 | US20090167273 Voltage converter |
| 07/02/2009 | US20090167272 Power Supply Controller |
| 07/02/2009 | US20090167271 Active transient response circuits, system and method for digital multiphase pulse width modulated regulators |
| 07/02/2009 | US20090167270 Supply voltage control based at least in part on power state of integrated circuit |
| 07/02/2009 | US20090167269 Bi-directional dc power circuit |
| 07/02/2009 | US20090167268 Power Supply |
| 07/02/2009 | US20090167267 Power Converter with Monotonic Turn-On for Pre-Charged Output Capacitor |
| 07/02/2009 | US20090167266 fault protection circuit, method of operating a fault protection circuit and a voltage regulator employing the same |
| 07/02/2009 | US20090167265 Current zero crossing detector in a dimmer circuit |
| 07/02/2009 | US20090167264 Dc-dc converter usable for dual voltage supply |
| 07/02/2009 | US20090167263 Current limiting circuit and voltage regulator using the same |
| 07/02/2009 | US20090167262 power converter |
| 07/02/2009 | US20090167261 Current measuring device |
| 07/02/2009 | US20090167260 Electrical Power Supply Arrangement and Use Thereof |
| 07/02/2009 | US20090167259 Dc-dc converter, dc-dc converter control method, and electronic device |
| 07/02/2009 | US20090167200 Switching power converter with controlled startup mechanism |
| 07/02/2009 | US20090166114 Method of driving dc/dc converter, method of controlling dc/dc converter apparatus, method of controlling driving operation of vehicle, and method of driving fuel cell system |
| 07/02/2009 | DE112007001127T5 Leistungswandler mit ausgeglichenen Stromschienenströmen Power converter with balanced busbar currents |
| 07/02/2009 | CA2709691A1 Advanced renewable energy harvesting |
| 07/01/2009 | EP1728134A4 Hybrid digital-analog switched power supply |
| 07/01/2009 | EP1483818B1 Device for a battery charger |
| 07/01/2009 | CN201266331Y Power supply circuit for digital signal processor based on TMS320F280x series |
| 07/01/2009 | CN201266330Y Moment high voltage absorption loop |
| 07/01/2009 | CN201266329Y Compensation AC voltage regulator |