| 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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| 07/04/2013 | US20130169249 Multi-phase dc-dc converter and method of controlling the same |
| 07/04/2013 | US20130169248 System and method for controlling dcm-ccm oscillation in a current-controlled switching mode power supply converter |
| 07/04/2013 | US20130169247 Semiconductor integrated circuit |
| 07/04/2013 | US20130169246 Linear voltage regulating circuit adaptable to a logic system |
| 07/04/2013 | US20130169245 Noise reduction for envelope tracking |
| 07/04/2013 | US20130169244 Digital buck-boost conversion circuit and method of operating the same |
| 07/04/2013 | US20130169243 Current mode boost converter using slope compensation |
| 07/04/2013 | US20130169242 Active buck power factor correction device |
| 07/04/2013 | US20130169177 Active Bleeder Circuit Triggering TRIAC in All Phase and Light Emitting Device Power Supply Circuit and TRIAC Control Method Using the Active Bleeder Circuit |
| 07/04/2013 | DE102012200105A1 Schaltungsanordnung zur Reduzierung der Verlustleistung bei einem aktiven Stromausgang eines Feldgeräts Circuitry to reduce the power loss in an active power output of a field device |
| 07/03/2013 | EP2610698A1 Solar power generation system, control device used for solar power generation system, and control method and program for the same |
| 07/03/2013 | CN203039777U Long-distance automatic sensor |
| 07/03/2013 | CN203038151U Heliostat and power-control module component for same |
| 07/03/2013 | CN203038150U Durable stabilized voltage supply |
| 07/03/2013 | CN203038149U Programmable low dropout linear regulator and sampling and feedback circuit thereof |
| 07/03/2013 | CN203038148U Constant voltage and constant current automatic switching circuit of direct current voltage-stabilized power supply |
| 07/03/2013 | CN203038147U Intelligent electronic voltage regulator |
| 07/03/2013 | CN203038146U Constant current device for supplying power to electromagnetic pump |
| 07/03/2013 | CN103189811A Presence and operability test of a decoupling capacitor |
| 07/03/2013 | CN103187954A Regulator power-on-reset with latch |
| 07/03/2013 | CN103186160A Self-adjustment control method for maximum power point tracing of photovoltaic power generation |
| 07/03/2013 | CN103186159A Master-slave type leading load compensation voltage stabilizer |
| 07/03/2013 | CN103186158A Voltage regulator with Improved voltage regulator response and reduced voltage drop |
| 07/03/2013 | CN103186157A Linear voltage regulating circuit adaptable to a logic system |
| 07/03/2013 | CN103186156A Ultralow-power-consumption and high-performance bandgap reference source |
| 07/03/2013 | CN103186155A Digital controller with level conversion function and level conversion circuit of digital controller |
| 07/03/2013 | CN103186154A Constant current source circuit structure |
| 07/03/2013 | CN103186153A Integrated circuit with linear voltage stabilization and power driving functions |
| 07/03/2013 | CN103186152A Hysteresis comparison control method |
| 07/03/2013 | CN102331808B Solar maximum power point tracking system and method for implementing same |
| 07/03/2013 | CN101860190B Configuration method of component parameters of converter with power factor correction function |
| 07/02/2013 | US8476967 Constant current circuit and reference voltage circuit |
| 07/02/2013 | US8476966 On-die voltage regulation using p-FET header devices with a feedback control loop |
| 07/02/2013 | US8476965 Method and circuit for an operating area limiter |
| 07/02/2013 | US8476964 Obtaining elevated output voltages from charge pump circuits |
| 07/02/2013 | US8476962 System having multiple voltage tiers and method therefor |
| 07/02/2013 | US8476890 Circuits and methods for controlling a switching regulator based on a derived input current |
| 07/02/2013 | US8476889 Piezoelectric transformer driving device controlled by variable reference voltage values and image forming device |
| 07/02/2013 | US8476888 Switching regulator providing current regulation based on using switching transistor current to control on time |
| 07/02/2013 | US8476887 DC to DC converter with pseudo constant switching frequency |
| 07/02/2013 | US8476886 Differential hysteretic DC-DC converter |
| 07/02/2013 | US8476885 Monolithic group III-V power converter |
| 07/02/2013 | US8476884 Method for controlling a multiphase interleaving converter and corresponding controller |
| 07/02/2013 | US8476883 Compensation circuits and control methods of switched mode power supply |
| 07/02/2013 | US8476882 Reference voltage based equivalent series resistance (ESR) emulation for constant on-time (COT) control of buck regulators |
| 07/02/2013 | US8476881 Power control device, power supply device, and power control method |
| 07/02/2013 | US8476880 System and method for reducing output voltage of a power regulator under light load |
| 07/02/2013 | US8476879 Saving energy mode (SEM) for an interleaved power factor correction (PFC) converter |
| 07/02/2013 | US8476878 Startup circuit for DC-DC converter |
| 07/02/2013 | US8476877 Fuel cell system and power management method thereof |
| 07/02/2013 | US8476876 Voltage-modulated circuit device to form electric power with stepped-down voltage |
| 07/02/2013 | US8476875 TV set top box with an improved ability to survive a transient signal |
| 07/02/2013 | US8476874 Systems and methods for synchronized control of electrical power system voltage profiles |
| 07/02/2013 | US8476847 Thermal foldback system |
| 07/02/2013 | US8476846 Stochastic signal density modulation for optical transducer control |
| 07/02/2013 | US8476837 Transistor ladder network for driving a light emitting diode series string |
| 07/02/2013 | US8474985 Projector lamp lighting device supplying AC current including low frequency region having current reduction waveform |
| 07/02/2013 | CA2581875C Voltage regulator |
| 06/27/2013 | WO2013096956A1 Method and apparatus for providing power |
| 06/27/2013 | WO2013096507A1 System and method for controlling output ripple of dc-dc converters with leading edge modulation control using current injection |
| 06/27/2013 | WO2013095625A1 Managing a facility |
| 06/27/2013 | WO2013095624A1 Generating a capacity schedule for a facility |
| 06/27/2013 | WO2013095514A1 A dual mode voltage regulator with dynamic reconfiguration capability |
| 06/27/2013 | WO2013094839A1 Multi-inverter photovoltaic power generation system |
| 06/27/2013 | WO2013094838A1 Photovoltaic power generation system performing maximum power point tracking for each unit group |
| 06/27/2013 | WO2013094148A1 Current detection circuit and semiconductor integrated circuit device |
| 06/27/2013 | WO2013093343A2 Device for maintaining voltage during startup for a motor vehicle |
| 06/27/2013 | WO2013092112A1 Drive unit for on-load tap changer |
| 06/27/2013 | WO2013092111A1 Drive unit for on-load tap changer |
| 06/27/2013 | WO2013091048A1 Wireless electric power control system for use in intelligent networks |
| 06/27/2013 | WO2012102951A3 Voltage regulator having current and voltage foldback based upon load impedance |
| 06/27/2013 | US20130164016 Power supply system and image forming apparatus |
| 06/27/2013 | US20130163289 Power switching driving apparatus, and power factor correction device and power supply device having the same |
| 06/27/2013 | US20130162340 Multi-chip package |
| 06/27/2013 | US20130162335 Charge pumping apparatus using optimum power point tracking and method thereof |
| 06/27/2013 | US20130162235 Power Supply Circuit |
| 06/27/2013 | US20130162234 Buck regulation of a boost regulator |
| 06/27/2013 | US20130162233 Single feedback loop for parallel architecture buck converter - ldo regulator |
| 06/27/2013 | US20130162232 Switching power supply circuit |
| 06/27/2013 | US20130162231 Voltage regulator |
| 06/27/2013 | US20130162230 Dc-dc converter and method of controlling dc-dc converter |
| 06/27/2013 | US20130162229 Charge pump feedback control device and method using the same |
| 06/27/2013 | US20130162228 Single Inductor Multiple Output Power Converter |
| 06/27/2013 | US20130162227 Step-down power supply circuit |
| 06/27/2013 | US20130162226 Dynamic Voltage Adjustment Device and Power Transmission System Using the Same |
| 06/27/2013 | US20130162224 Digitally-Controlled Power Factor Correction Circuits, Methods and Articles of Manufacture |
| 06/27/2013 | US20130162171 Step up/down converter |
| 06/27/2013 | US20130162159 Power supply device for charge pumping |
| 06/26/2013 | EP2607980A1 Method and apparatus for tracking the maximum power point of a photovoltaic array |
| 06/26/2013 | EP2607979A1 Mobile terminal and calibration device for analog-to-digital conversion (adc) module thereof |
| 06/26/2013 | EP2606708A2 Proactive arc management of a plasma load |
| 06/26/2013 | CN203027231U Circuit for avoiding simultaneous start of parallel LDOs (Low Dropout Regulators) |
| 06/26/2013 | CN203027227U Circuit for quickly switching off LDO (Low Dropout Regulator) |
| 06/26/2013 | CN203026941U Current equalizing circuit at local side of direct-current remote power feeding system |
| 06/26/2013 | CN203025602U Maximum power point tracking solar panel voltage output device |
| 06/26/2013 | CN203025601U High-voltage control circuit |
| 06/26/2013 | CN203025600U Ultralow-power-consumption low-drop-out stabilized voltage supply circuit and radio frequency identification tag |
| 06/26/2013 | CN203025599U Band-gap reference circuit with power supply ripple rejection under low voltage |
| 06/26/2013 | CN203025598U Low dropout regulator (LDO) circuit |
| 06/26/2013 | CN203025597U Voltage difference control circuit of double-power-source chip |