| 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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| 09/24/2009 | US20090237149 Voltage generating circuit |
| 09/24/2009 | US20090237148 Charge pump circuit |
| 09/24/2009 | US20090237147 VPP pumping circuit and VPP pumping method using the same |
| 09/24/2009 | US20090237146 Dynamic Voltage Pump Circuit and Method of Dynamically Generating an Output Supply Voltage Thereof |
| 09/24/2009 | US20090237145 Semiconductor device |
| 09/24/2009 | US20090237144 Chip for non-contact reader/writer having power-supply managment function |
| 09/24/2009 | US20090237061 Dc-dc conversion device with digitally controlled comparator |
| 09/24/2009 | US20090237060 Switching power supply control |
| 09/24/2009 | US20090237059 Synchronous rectifying DC-DC converter |
| 09/24/2009 | US20090237058 Adaptive ramp compensation for current mode-dc-dc converters |
| 09/24/2009 | US20090237057 Apparatus, system, and method for an adaptive high efficiency switching power supply |
| 09/24/2009 | US20090237056 Transient Processing Mechanism for Power Converters |
| 09/24/2009 | US20090237055 Power supply device capable of stably supplying output voltage with increased responsiveness |
| 09/24/2009 | US20090237054 Digital Control of Power Converters |
| 09/24/2009 | US20090237053 High efficiency voltage regulator with auto power-save mode |
| 09/24/2009 | US20090237052 Control apparatus for controlling power conversion apparatus |
| 09/24/2009 | US20090237051 Dc-dc boost converter |
| 09/24/2009 | US20090237050 Switching power supply |
| 09/24/2009 | US20090237049 Comparator type dc-dc converter |
| 09/24/2009 | US20090237048 Power management circuit and method of frequency compensation thereof |
| 09/24/2009 | US20090237046 Apparatus of dynamic feedback control charge pump |
| 09/24/2009 | US20090237045 Apparatus, system, and method for a switching power supply with high efficiency near zero load conditions |
| 09/24/2009 | US20090237044 Bidirectional interleaved DC to DC converter utilizing positively coupled filter inductors |
| 09/24/2009 | US20090237043 Zero Current Switching |
| 09/24/2009 | US20090237042 Zero Voltage Switching |
| 09/24/2009 | US20090237041 Electric current measurement apparatus, voltage measurement apparatus and power supply apparatus |
| 09/24/2009 | US20090237040 family of current/power-efficient high voltage linear regulator circuit architectures |
| 09/24/2009 | US20090237028 Power supply device for charge/discharge device, and charge/discharge device |
| 09/24/2009 | CA2718265A1 Analyte sensor subassembly and methods and apparatuses for inserting an analyte sensor associated with same |
| 09/23/2009 | EP2104200A1 Method for controlling a multi-string inverter for photovoltaic systems |
| 09/23/2009 | CN201315031Y Control circuit for keeping stable output voltage of constant-current source |
| 09/23/2009 | CN101541116A Electronic ballast of alternate current high-power LED illumination energy-saving lamp |
| 09/23/2009 | CN101540581A Apparatus for carrying out improved control of rotary machine |
| 09/23/2009 | CN101540548A Method of controlling a dc-dc converter in discontinuous mode |
| 09/23/2009 | CN101540547A Refrigeration power control circuit for semiconductor detector |
| 09/23/2009 | CN100544173C Power control method and circuit and power source device |
| 09/23/2009 | CN100543631C Constant voltage outputting circuit |
| 09/22/2009 | US7593242 Method and apparatus for increasing the power capability of a power supply |
| 09/22/2009 | US7592862 Digital temperature sensing device using temperature depending characteristic of contact resistance |
| 09/22/2009 | US7592860 Minimizing the number of external terminals required when compensation is to be provided for signal drop in bond wire of a package in which an integrated circuit is provided |
| 09/22/2009 | US7592859 Apparatus to compare an input voltage with a threshold voltage |
| 09/22/2009 | US7592858 Circuit and method for a gate control circuit with reduced voltage stress |
| 09/22/2009 | US7592857 Charge pump circuit |
| 09/22/2009 | US7592856 Charge pump circuit driver circuit having a plurality of oscillators |
| 09/22/2009 | US7592793 Voltage regulator providing power from AC power source |
| 09/22/2009 | US7592792 Power supply |
| 09/22/2009 | US7592791 High efficiency DC-DC converter using pulse skipping modulation with programmable burst duration |
| 09/22/2009 | US7592790 Start-up circuit with feedforward compensation for power converters |
| 09/22/2009 | US7592789 Power supply and related circuits |
| 09/22/2009 | US7592788 Control device of a switching converter with overcurrent protection circuit and related switching converter |
| 09/22/2009 | US7592787 Adaptive firing order control for dynamic current balance of multiphase voltage regulators |
| 09/17/2009 | WO2009114282A1 Method and circuit for an operating area limiter |
| 09/17/2009 | US20090231025 Method and Apparatus for Extending the Lifetime of a Semiconductor Chip |
| 09/17/2009 | US20090231024 Low Drop Out Voltage Regulator Circuit Assembly |
| 09/17/2009 | US20090231023 Integrated circuits with programmable well biasing |
| 09/17/2009 | US20090231022 Pumping voltage generating circuit |
| 09/17/2009 | US20090230939 Switching converter |
| 09/17/2009 | US20090230938 Electric Power Conversion Apparatus |
| 09/17/2009 | US20090230937 Power factor correction circuit and power supply apparatus thereof |
| 09/17/2009 | US20090230936 Method of improved current sensing in dc-dc converters |
| 09/17/2009 | US20090230935 Step-down switching dc-dc converter |
| 09/17/2009 | US20090230934 Switched mode voltage converter with low-current mode and methods of performing voltage conversion with low-current mode |
| 09/17/2009 | US20090230933 Hybrid on-load tap changer and a method of operating the same |
| 09/17/2009 | US20090230932 Quick response width modulation for a voltage regulator |
| 09/17/2009 | US20090230931 Voltage adjusting apparatus |
| 09/17/2009 | US20090230930 Adaptive Power Supply and Related Circuitry |
| 09/17/2009 | US20090230929 Bridgeless pfc circuit for crm and controlling method thereof |
| 09/17/2009 | US20090230899 Control apparatus for power conversion apparatus and power conversion system |
| 09/17/2009 | DE19805373B4 Schaltungsanordnung für Netzteile Circuitry for power supplies |
| 09/16/2009 | EP2100204A2 Apparatus and method for controlling the propagation delay of a circuit by controlling the voltage applied to the circuit |
| 09/16/2009 | CN201311606Y 5V regulated power supply |
| 09/16/2009 | CN201311605Y Constant current control device |
| 09/16/2009 | CN101534094A Compensating circuit |
| 09/16/2009 | CN101534064A Power supply circuit of AC-DC converter |
| 09/16/2009 | CN101534053A Switching power converters and system for controlling a plurality of switching power converters |
| 09/16/2009 | CN101534014A Power conversion device and power generation conversion system |
| 09/16/2009 | CN101533668A Memory circuit and charge sensing method |
| 09/16/2009 | CN101533287A Constant power control method for coal mining machine and operating handle |
| 09/16/2009 | CN101533286A Control system and method of APD reversed bias voltage |
| 09/16/2009 | CN101533285A A reference voltage buffer circuit |
| 09/16/2009 | CN101533284A Voltage regulating device |
| 09/16/2009 | CN100541397C Method for regulating the power supply of a number of field devices |
| 09/15/2009 | USRE40915 Programmable current-sensing circuit providing continuous temperature compensation for DC-DC converter |
| 09/15/2009 | US7589584 Programmable voltage regulator with dynamic recovery circuits |
| 09/15/2009 | US7589583 Charge pump circuit |
| 09/15/2009 | US7589582 Multi-level voltage generator |
| 09/15/2009 | US7589580 Reference current generating method and current reference circuit |
| 09/15/2009 | US7589554 I/O interface circuit of intergrated circuit |
| 09/15/2009 | US7589517 Adaptive slope compensation for switching regulators |
| 09/15/2009 | US7589512 Load control device |
| 09/15/2009 | US7589511 DC-DC voltage converter |
| 09/15/2009 | US7589510 Voltage regulator having variable threshold voltage switch |
| 09/15/2009 | US7589509 Switching regulator |
| 09/15/2009 | US7589508 Low-noise switching voltage regulator and methods therefor |
| 09/15/2009 | US7589507 Low dropout regulator with stability compensation |
| 09/15/2009 | US7589506 Signal-to-noise improvement for power loss minimizing dead time |
| 09/15/2009 | US7589505 Power supply with reliable voltage feedback control independent of any ground voltage difference |
| 09/15/2009 | US7589499 Over voltage transient controller |
| 09/15/2009 | CA2558253C Dynamic reactive compensation system and method |
| 09/11/2009 | WO2009111446A1 Method and apparatus to facilitate using visible-light images to determine a heart rate |