| 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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| 12/06/2005 | US6972546 Power system |
| 12/06/2005 | US6972530 Apparatus and method for transparent dynamic range scaling for open loop LED drivers |
| 12/01/2005 | WO2005114667A2 Internal voltage generator scheme and power management method |
| 12/01/2005 | US20050264970 Power supply controller and method for controlling power supply circuit |
| 12/01/2005 | US20050264960 Circuit for generating a supply voltage |
| 12/01/2005 | US20050264347 Internal voltage generating circuit and semiconductor integrated circuit device |
| 12/01/2005 | US20050264346 Generator for supplying reference voltage and reference current of stable level regardless of temperature variation |
| 12/01/2005 | US20050264345 Low-voltage curvature-compensated bandgap reference |
| 12/01/2005 | US20050264343 Boost circuit |
| 12/01/2005 | US20050264342 Charge pump circuit with no output voltage loss |
| 12/01/2005 | US20050264271 Single inductor multiple-input multiple-output switching converter and method of use |
| 12/01/2005 | US20050264270 DC to DC converter producing output voltage exhibit rise and fall characteristics independent of load thereon |
| 12/01/2005 | DE102004022425A1 Integrierte Schaltungsanordnung zur Stabilisierung einer Spannung An integrated circuit device for stabilizing a voltage |
| 11/30/2005 | EP1601104A1 Overcurrent detecting apparatus |
| 11/30/2005 | EP1601090A2 DC-DC CMOS Converter |
| 11/30/2005 | CN1703132A Driving voltage controller for light-emitting source |
| 11/30/2005 | CN1702587A Voltage regulator feedback protection method and apparatus |
| 11/30/2005 | CN1702586A Large power DC voltage stabilization and current stabilization variable voltage and variable current power supply |
| 11/30/2005 | CN1702585A Synchronization of multiphase synthetic ripple voltage regulator |
| 11/30/2005 | CN1229868C Burnout circuit |
| 11/29/2005 | US6970365 Controlled frequency power factor correction circuit and method |
| 11/29/2005 | US6970334 Power regulation loop performs two functions |
| 11/29/2005 | US6969981 Voltage regulator power management apparatus |
| 11/29/2005 | US6969980 Noise-resistant pulse width modulator |
| 11/29/2005 | US6969979 Multiple mode switching regulator having an automatic sensor circuit for power reduction |
| 11/29/2005 | US6969977 Soft-start voltage regulator circuit |
| 11/29/2005 | US6969976 Dynamic current limit adjustments |
| 11/29/2005 | US6969956 Current control apparatus for fluorescent lamps |
| 11/24/2005 | WO2005112240A2 High efficiency linear regulator |
| 11/24/2005 | WO2005112217A1 Excess current detecting circuit and power supply device provided with it |
| 11/24/2005 | WO2005111758A1 Method and circuit for active power factor correction |
| 11/24/2005 | WO2005111757A1 Four phase charge pump operable without phase overlap with improved efficiency |
| 11/24/2005 | WO2005052772A3 Tracking soft start circuit |
| 11/24/2005 | US20050259497 Internal voltage generator scheme and power management method |
| 11/24/2005 | US20050259375 Overcurrent protection circuit |
| 11/24/2005 | US20050258894 Reduction of power consumption in electrical devices |
| 11/24/2005 | US20050258893 Switching between lower and higher power modes in an ADC for lower/higher precision operations |
| 11/24/2005 | US20050258814 High light load efficiency synchronous buck regulator with pulse skipping control |
| 11/24/2005 | US20050258813 Noise-resistant pulse width modulator |
| 11/24/2005 | US20050258811 Switching regulator and method for changing output voltages thereof |
| 11/24/2005 | US20050258810 Integrated charge pump DC/DC conversion circuits using thin film transistors |
| 11/24/2005 | US20050258809 Control panel for pool |
| 11/24/2005 | US20050258808 Controller in a voltage mode buck converter for implementing a mode-switch function and an over-current protection by a multifunction pin and method thereof |
| 11/24/2005 | US20050258793 Apparatus for controlling power factor compensation in inverter control circuit and method thereof |
| 11/24/2005 | US20050258783 Inverter circuit for lighting backlight of liquid crystal display and method for driving the same |
| 11/24/2005 | US20050258781 Driving voltage controller for light-emitting source |
| 11/24/2005 | US20050258780 Lamp frequency control system for display and method for controlling lamp frequency |
| 11/23/2005 | EP1598927A2 Voltage regulator |
| 11/23/2005 | EP1598925A2 Apparatus for controlling power factor compensation in inverter control circuit and method thereof |
| 11/23/2005 | CN2742483Y Power coltage stabilizer without accumulation error |
| 11/23/2005 | CN1701292A Constant-voltage circuit |
| 11/23/2005 | CN1700838A Inverter circuit for lighting backlight of liquid crystal display and method for driving the same |
| 11/23/2005 | CN1700571A Dc/dc conversion circuits and relative display system |
| 11/23/2005 | CN1700130A Apparatus for controlling power factor compensation in inverter control circuit and method thereof |
| 11/23/2005 | CN1700129A 调压器 Regulator |
| 11/23/2005 | CN1700128A Single-chip microcomputer constant current device for single-phase electroplating DC source |
| 11/23/2005 | CN1700127A Switching regulator control circuit and switching regulator |
| 11/23/2005 | CN1228696C Power circuit |
| 11/22/2005 | USRE38891 Programmable load transient compensator for reducing the transient response time to a load capable of operating at multiple power consumption levels |
| 11/22/2005 | US6967851 Apparatus for reducing the power consumption of a PFC-PWM power converter |
| 11/22/2005 | US6967525 Tail current generator circuit for bipolar/MOS differential pair to set precise transconductance |
| 11/22/2005 | US6967471 Switching mode regular for SFP ethernet adaptor |
| 11/22/2005 | US6967470 Voltage regulator combining a series type regulator with a shunt type regulator having a constant current source |
| 11/22/2005 | US6967448 Methods and apparatus for controlling illumination |
| 11/22/2005 | US6966184 Photovoltaic power generating apparatus, method of producing same and photovoltaic power generating system |
| 11/17/2005 | WO2005109589A1 Overcurrent detecting circuit and power supply device provided with it |
| 11/17/2005 | WO2005109143A2 Control system for a power supply |
| 11/17/2005 | WO2005109142A1 Fast low drop out (ldo) pfet regulator circuit |
| 11/17/2005 | US20050253645 Current output stages |
| 11/17/2005 | US20050253569 Voltage regulator |
| 11/17/2005 | US20050253568 Switching regulator control circuit and switching regulator |
| 11/17/2005 | US20050253567 High-efficiency two-step DC-to-DC converter |
| 11/17/2005 | US20050253566 Voltage regulator feedback protection method and apparatus |
| 11/17/2005 | US20050253462 Integrated circuit with multiple power domains |
| 11/17/2005 | DE202005008028U1 Power supply circuit for display panel has domestic power system, low voltage power converter system, and one high voltage power converter system whereby all of them are electrically connected to alternating current source |
| 11/17/2005 | DE102005014734A1 Leistungsfaktor-Korrekturschaltkreis Power factor correction circuit |
| 11/17/2005 | DE102004019142A1 Signal multiplier particularly for use with a signal doubler for measurement signals |
| 11/16/2005 | EP1596267A1 Voltage regulator feedback protection method and apparatus |
| 11/16/2005 | EP1596266A1 Voltage regulator circuit with a safety detector |
| 11/16/2005 | EP1595189A2 Improved method of detecting switching power supply output current |
| 11/16/2005 | CN2741087Y Overvoltage and undervoltage slow start protecting circuit of negative power supply |
| 11/16/2005 | CN1698268A Semiconductor integrated circuit |
| 11/16/2005 | CN1696861A Constant voltage outputting circuit |
| 11/16/2005 | CN1696860A Voltage regulator with improved power supply rejection ratio characteristics and narrow response band |
| 11/16/2005 | CN1696859A Voltage regulator feedback protection method and apparatus |
| 11/15/2005 | US6965334 Variable bandgap reference |
| 11/15/2005 | US6965291 Circuit component and transformer device with controllable impedance and with systems equipped with such devices |
| 11/15/2005 | US6965247 Semiconductor device for detecting and adjusting a threshold value variation |
| 11/15/2005 | US6965223 Method and apparatus to allow rapid adjustment of the reference voltage in a switching regulator |
| 11/15/2005 | US6965222 Current controller for inductive load |
| 11/15/2005 | US6965218 Voltage regulator |
| 11/15/2005 | US6965205 Light emitting diode based products |
| 11/10/2005 | WO2005107051A1 Low dropout voltage regulator providing adaptive compensation |
| 11/10/2005 | WO2005107034A1 A fault detection and control apparatus for a switch ofa compensation capacitor |
| 11/10/2005 | WO2005106613A1 Method and apparatus for switched-mode power conversion at radio frequencies |
| 11/10/2005 | WO2005106608A2 Process device with switching power supply |
| 11/10/2005 | WO2004081617B1 Chalcogenide glass constant current device, and its method of fabrication and operation |
| 11/10/2005 | US20050248996 Integrated circuit for stabilizing a voltage |
| 11/10/2005 | US20050248397 Constant current generating circuit using resistor formed of metal thin film |
| 11/10/2005 | US20050248391 Constant-voltage circuit |