| 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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| 06/07/2011 | US7956589 Compensation network for error amplifier of a low dropout regulator |
| 06/07/2011 | US7956588 Voltage regulator |
| 06/07/2011 | US7956587 Power supply apparatus |
| 06/07/2011 | US7956586 Step-up/step-down type DC-DC converter, and control circuit and control method of the same |
| 06/07/2011 | US7956585 Mutual blanking for a multi-channel converter |
| 06/07/2011 | US7956554 System and method for regulation of solid state lighting |
| 06/07/2011 | US7956494 Versatile and intelligent power controller |
| 06/07/2011 | US7956397 Semiconductor device, charge pumping circuit, and semiconductor memory circuit |
| 06/03/2011 | WO2011066402A2 Switched-mode pwm regulator with ramp reset |
| 06/03/2011 | WO2011064958A1 Power-supply device |
| 06/03/2011 | WO2011064137A1 Load state determiner, load assembly, power supply circuit and method for determining a load state of an electrical power source |
| 06/02/2011 | US20110130103 Oscillation frequency control circuit, and dc-dc converter and semiconductor device having the same |
| 06/02/2011 | US20110128798 Power source circuit and semiconductor memory circuit using the same |
| 06/02/2011 | US20110128792 Semiconductor storage device and boosting circuit |
| 06/02/2011 | US20110128654 Short circuit current ratcheting in switch mode dc/dc voltage regulators |
| 06/02/2011 | US20110128277 Operational amplifier and liquid crystal drive device using same, as well as parameter setting circuit, semiconductor device, and power supply unit |
| 06/02/2011 | US20110128070 Charge pump stage, method for controlling a charge pump stage and memory having a charge pump stage |
| 06/02/2011 | US20110128048 Voltage controlled current driver powered by negative voltage rail |
| 06/02/2011 | US20110127985 Voltage converting apparatus |
| 06/02/2011 | US20110127984 Linear voltage regulator circuit with power saving capability |
| 06/02/2011 | US20110127983 Digital control of pwm converters with nonlinear gain scheduling |
| 06/02/2011 | US20110127982 Voltage clamp circuit, a switching power supply device, a semiconductor integrated circuit device, and a voltage level conversion circuit |
| 06/02/2011 | US20110127981 Control circuit for switching power supply unit, electronic device and method for controlling switching power supply unit |
| 06/02/2011 | US20110127980 Voltage converting circuit and method thereof |
| 06/02/2011 | US20110127979 Device for adapting source voltages |
| 06/02/2011 | US20110127978 Pwm controller with low uvlo voltage |
| 06/02/2011 | US20110127977 Voltage converter and control method thereof |
| 06/02/2011 | US20110127976 Multiphase soft-switched dc-dc converter |
| 06/02/2011 | US20110127975 Switching power supply device and semiconductor integrated circuit |
| 06/02/2011 | US20110127974 Switching control circuit and power supply apparatus |
| 06/02/2011 | US20110127972 Sequential switching shunt regulator cell with non-redundant rectifier |
| 06/02/2011 | US20110127927 Buck-Store and Boost-Restore Converter |
| 06/02/2011 | US20110127831 Battery emulator and methods of use |
| 06/01/2011 | EP2328259A1 System and method for power management in a photovoltaic installation |
| 06/01/2011 | EP2328056A1 Low-dropout linear regulator (LDO), method for providing an LDO and method for operating an LDO |
| 06/01/2011 | EP2327104A1 Photovoltaic device |
| 06/01/2011 | EP2327002A1 Current control system and method for controlling a current |
| 06/01/2011 | EP2327001A1 Intelligent switching controller and power conversion circuits and methods |
| 06/01/2011 | CN201854045U Solar charging/discharging control circuit with maximum power point tracking structure |
| 06/01/2011 | CN201853158U Power regulating circuit for direct-current motor and heating plate |
| 06/01/2011 | CN201853157U Program-controlled DC (direct current) load discharging circuit |
| 06/01/2011 | CN201853156U Novel relay type alternating current regulated power supply |
| 06/01/2011 | CN201853155U Precision constant-current source circuit module |
| 06/01/2011 | CN1379535B Voltage generator circuit and its control method |
| 06/01/2011 | CN102084584A Method and system for providing maximum power point tracking in an energy generating system |
| 06/01/2011 | CN102084312A Active voltage divider for detector |
| 06/01/2011 | CN102081420A Current limiting regulated power supply with high precision |
| 06/01/2011 | CN102081419A Automatic voltage regulating circuit and method for solar photovoltaic power generation system |
| 06/01/2011 | CN102081418A Linear constant voltage control circuit |
| 06/01/2011 | CN102081417A Method for controlling constant-voltage constant-current power supply |
| 06/01/2011 | CN101464699B Low-pressure difference linear voltage stabilizer with high power supply rejection ratio |
| 06/01/2011 | CN101356483B Voltage regulator |
| 06/01/2011 | CN101341452B Constant voltage circuit |
| 05/31/2011 | US7952895 Method and apparatus for implementing an unregulated dormant mode in a power converter |
| 05/31/2011 | US7952424 Differential charge pump with common mode control |
| 05/31/2011 | US7952423 Process/design methodology to enable high performance logic and analog circuits using a single process |
| 05/31/2011 | US7952342 Constant current source apparatus |
| 05/31/2011 | US7952340 Integrated power converter and gate driver circuit |
| 05/31/2011 | US7952339 Semiconductor circuit |
| 05/31/2011 | US7952338 Boost DC/DC converter |
| 05/31/2011 | US7952337 Hybrid DC-DC switching regulator circuit |
| 05/31/2011 | US7952336 DC/DC converter with dynamic offset compensation |
| 05/31/2011 | US7952335 Power converter and method for power conversion |
| 05/31/2011 | US7952334 DC-DC converter |
| 05/31/2011 | US7952333 Circuit and method for determining current in a load |
| 05/31/2011 | US7952332 Voltage generator arrangement and method for voltage conversion |
| 05/31/2011 | US7950807 Projector and control method thereof |
| 05/26/2011 | WO2011060811A1 Method of adjusting a voltage across terminals of a load |
| 05/26/2011 | WO2010045995A3 Method for parallel control of transformers having step switches |
| 05/26/2011 | US20110122671 Systems and methods for controlling integrated circuit operation with below ground pin voltage |
| 05/26/2011 | US20110122659 Power transistor driving circuits and methods for switching mode power supplies |
| 05/26/2011 | US20110121892 Motion triggered magnetic reading and compass heading calculations to reduce power consumption |
| 05/26/2011 | US20110121891 Electronic control module for a jfet transistor |
| 05/26/2011 | US20110121890 Semiconductor device |
| 05/26/2011 | US20110121889 Temperature independent reference circuit |
| 05/26/2011 | US20110121888 Leakage current compensation |
| 05/26/2011 | US20110121864 Start signal detector circuit |
| 05/26/2011 | US20110121807 Device for protecting a dc voltage converter |
| 05/26/2011 | US20110121806 Regulator including hysteretic control |
| 05/26/2011 | US20110121805 Active Power Switch Topology for Switching Regulators |
| 05/26/2011 | US20110121804 Semiconductor device and power source device |
| 05/26/2011 | US20110121803 Semiconductor device and dc-dc converter |
| 05/26/2011 | US20110121802 Low dropout regulator circuit without external capacitors rapidly responding to load change |
| 05/26/2011 | US20110121801 Automatic current limit adjustment for linear and switching regulators |
| 05/26/2011 | US20110121800 Method for providing and operating an LDO |
| 05/26/2011 | US20110121799 Fast Voltage Regulators For Charge Pumps |
| 05/26/2011 | US20110121798 Dcdc converter |
| 05/26/2011 | US20110121797 Delay compensation for a dc-dc converter |
| 05/26/2011 | US20110121796 Voltage Regulation System |
| 05/26/2011 | US20110121795 Programmable power supply controller and methodology for automatic phase adjustment of a pwm output signal |
| 05/26/2011 | US20110121794 Bus instrument and method for predictively limited power consumption in a two-wire instrumentation bus |
| 05/26/2011 | US20110121774 Alternating voltage control apparatus |
| 05/26/2011 | US20110121750 Self-oscillating half-bridge drive device and light-emitting device |
| 05/26/2011 | US20110121650 Circuit configuration and method for providing a voltage supply for a driver circuit |
| 05/25/2011 | EP2325985A2 Circuit assembly and method for preparing a voltage supply for a driver stage |
| 05/25/2011 | EP2325716A1 Reactive power regulation and voltage support for renewable energy plants |
| 05/25/2011 | EP2324404A1 Esr zero estimation and auto-compensation in digitally controlled buck converters |
| 05/25/2011 | EP2324403A1 Self-tuning sensorless digital current-mode controller with accurate current sharing for multiphase dc-dc converters |
| 05/25/2011 | EP2324402A1 Lighting source with low total harmonic distortion |
| 05/25/2011 | EP2323554A2 Spectroscopic sensors |