| 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) |
|---|
| 03/11/2009 | CN101383557A Current defined charge pump |
| 03/11/2009 | CN101382815A Controller for correcting hysteresis current by single-phase power factor |
| 03/11/2009 | CN101382814A PWM controlled RC step-down power supply circuit based on feedback |
| 03/11/2009 | CN101382813A Direct current stabilization power supply |
| 03/11/2009 | CN101382812A Reference voltage circuit |
| 03/11/2009 | CN101382811A Current source stabilizing circuit |
| 03/11/2009 | CN101382810A Current source stabilizing method |
| 03/11/2009 | CN101382809A Method and device for reducing voltage stress at bootstrap point in electronic circuits |
| 03/11/2009 | CN101382808A Dc voltage-stabilized power supply without transformer |
| 03/11/2009 | CN100468958C Power management method and unit |
| 03/11/2009 | CN100468933C Voltage regulating systems responsive to feed-forward information from deterministic loads |
| 03/11/2009 | CN100468931C Voltage boosting type consecutive power factor correcting device and method of average electric current control mode |
| 03/11/2009 | CN100468284C Tracking soft start circuit |
| 03/11/2009 | CN100468274C Power factor adjusting device |
| 03/11/2009 | CN100468273C Voltage drive control system having protective power and method |
| 03/11/2009 | CN100468272C Design method of current source |
| 03/11/2009 | CN100468271C Accurate pure AC voltage/current convertor with low noise |
| 03/11/2009 | CN100468270C Switching type voltage regulator capable of avoiding discontinuous mode |
| 03/11/2009 | CN100468269C Spare circuit for electronic device |
| 03/10/2009 | US7502239 Charge pump circuit and power supply circuit |
| 03/10/2009 | US7501883 Apparatus and method for generating internal voltage adaptively from external voltage |
| 03/10/2009 | US7501882 Charge pumps |
| 03/10/2009 | US7501881 Boosting voltage generating circuit for generating a stable boosting voltage under a wider range of supply voltage and semiconductor memory device having the same |
| 03/10/2009 | US7501880 Body-biased enhanced precision current mirror |
| 03/10/2009 | US7501804 Adaptive DC to DC converter system |
| 03/10/2009 | US7501803 Synchronized boost signal apparatus and method |
| 03/10/2009 | US7501802 DC-DC converting method and apparatus |
| 03/10/2009 | US7501801 Power supply output voltage trimming |
| 03/10/2009 | US7501800 Power factor correction circuit and output voltage control method thereof |
| 03/10/2009 | US7501718 Voltage supply circuit and method for generating a supply voltage |
| 03/05/2009 | WO2009029161A1 Triac/scr-based energy savings device, system and method |
| 03/05/2009 | WO2009028798A1 High resolution circuit for converting capacitance-to-time deviation |
| 03/05/2009 | WO2009027467A1 Ldo with large dynamic range of load current and low power consumption |
| 03/05/2009 | WO2009027375A1 Voltage regulator and method for voltage regulation |
| 03/05/2009 | WO2009027220A1 Linear voltage regulator |
| 03/05/2009 | US20090059628 Method for regulating a voltage using a linear voltage regulator |
| 03/05/2009 | US20090059627 Linear voltage regulator |
| 03/05/2009 | US20090058516 Sensor apparatus having sensor element |
| 03/05/2009 | US20090058515 Semiconductor device, information processing apparatus and power supply voltage variation suppressing method |
| 03/05/2009 | US20090058514 Semiconductor Device of Power Compensation |
| 03/05/2009 | US20090058513 Core voltage generation circuit |
| 03/05/2009 | US20090058510 Semiconductor memory device |
| 03/05/2009 | US20090058509 Booster Circuit, Semiconductor Device, and Electronic Apparatus |
| 03/05/2009 | US20090058507 Bottom Plate Regulated Charge Pump |
| 03/05/2009 | US20090058506 Bottom Plate Regulation of Charge Pumps |
| 03/05/2009 | US20090058505 Voltage converting circuit and battery device |
| 03/05/2009 | US20090058504 Self-powered voltage islands on an integrated circuit |
| 03/05/2009 | US20090058388 Switching power supply device |
| 03/05/2009 | US20090058387 Maintaining a constant output voltage by sampling and holding a voltage across an auxiliary winding |
| 03/05/2009 | US20090058386 Green technologies: 7less microsystems |
| 03/05/2009 | US20090058385 Step-up DC-DC converter |
| 03/05/2009 | US20090058384 Reference voltage generating circuit and timer circuit |
| 03/05/2009 | US20090058383 Switching DC-DC converter with adaptive-minimum-on-time control and method of adaptively controlling minimum-on-time of a switching DC-DC converter |
| 03/05/2009 | US20090058382 Direct current stabilization power supply |
| 03/05/2009 | US20090058381 Power supply stabilizing circuit, an electronic device and a test apparatus |
| 03/05/2009 | US20090058380 Multiple output amplifiers and comparators |
| 03/05/2009 | US20090058379 Method and apparatus for equalizing phase currents in multiphase switching power converters |
| 03/05/2009 | US20090058378 Circuit system and method for reducing an in-rush current |
| 03/05/2009 | US20090058377 Constant voltage to constant current transferring controller |
| 03/05/2009 | US20090058376 equipment control arrangement suitable for providing information about an operating state of the equipment |
| 03/05/2009 | US20090058375 Self-oscillating converter |
| 03/05/2009 | US20090058324 Precharge controlling method and display device using the same |
| 03/05/2009 | US20090058304 Inductively-Coupled RF Power Source |
| 03/05/2009 | US20090058303 High Frequency Generator for Ion and Electron Sources |
| 03/05/2009 | US20090057418 Semiconductor device |
| 03/05/2009 | DE102008004675B3 Controllable switching device for solar module, has control provided to control controllable switching unit to switch switching unit in one of switch conditions using output of solar module or input at output terminal |
| 03/05/2009 | DE102007041962A1 Energiesparendes medizinisches Gerät Energy-saving medical device |
| 03/05/2009 | DE102007041155A1 LDO mit großem Dynamikbereich des Laststroms und geringer Leistungsaufnahme LDO with wide dynamic range of the load current and low power consumption |
| 03/04/2009 | EP2031575A2 Precharge controlling method and display device using the same |
| 03/04/2009 | EP2031476A1 Voltage regulator and method for voltage regulation |
| 03/04/2009 | EP1224722B1 Semiconductor fuse for electrical consumers |
| 03/04/2009 | CN201204722Y Automatic light-adjusting LED illumination driver |
| 03/04/2009 | CN201204654Y Voltage-stabilizing circuit and television set with the same |
| 03/04/2009 | CN201204554Y Voltage-stabilizing circuit for self-activated switch power supply |
| 03/04/2009 | CN201204453Y Parallel operation current-equalizing control circuit for DC power supply |
| 03/04/2009 | CN201203813Y Photovoltaic electrification output matching controller |
| 03/04/2009 | CN201203812Y Adjustable constant-voltage constant-current power supply |
| 03/04/2009 | CN201203811Y Power supply circuit and set-top box with the same |
| 03/04/2009 | CN101377688A Interior power supply circuit |
| 03/04/2009 | CN101377687A Circuit and method for reducing an in-rush current |
| 03/04/2009 | CN100466454C Current-limiting circuit of brushless direct-current fan motor |
| 03/04/2009 | CN100466432C Startup circuit for converter with pre-biased load |
| 03/04/2009 | CN100466430C AC/DC converter capable of suppressing harmonic |
| 03/04/2009 | CN100466413C Multi-variant control method of the distribution static reactive power generator |
| 03/04/2009 | CN100465850C Laser power feedback circuit |
| 03/04/2009 | CN100465849C Adaptive delay control circuit used on a switched mode power supply |
| 03/04/2009 | CN100465848C System and method for controlling output-timing parameters of power converters |
| 03/04/2009 | CN100465823C Voltage regulator and the method for controlling the voltage regulator |
| 03/03/2009 | US7500118 Network device with power potential rectifier |
| 03/03/2009 | US7499007 Maximizing efficiency of battery-powered LED drivers |
| 03/03/2009 | US7498870 Adaptive voltage control for performance and energy optimization |
| 03/03/2009 | US7498869 Voltage reference circuit for low voltage applications in an integrated circuit |
| 03/03/2009 | US7498868 Current mirror circuit and constant current circuit having the same |
| 03/03/2009 | US7498867 Current drive circuit |
| 03/03/2009 | US7498866 High voltage pumping device |
| 03/03/2009 | US7498865 Semiconductor integrated circuit with reduced speed variations |
| 03/03/2009 | US7498794 Method and system for sensing current independently of variations in operating conditions |
| 03/03/2009 | US7498793 Current-mode DC-to-DC-converter |
| 03/03/2009 | US7498792 Pulse modulation system with nonlinear ramp |
| 03/03/2009 | US7498791 Reverse current preventing circuit and method |