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) |
---|
10/19/2006 | US20060232255 Circuit arrangement for voltage adjustment |
10/19/2006 | US20060232254 Charging unit with a transmission unit |
10/19/2006 | US20060232253 Efficient in-rush current limiting circuit with dual gated bidirectional hemts |
10/19/2006 | US20060232252 Buck converter having improved transient response to load step down |
10/18/2006 | EP1712972A1 Semiconductor device |
10/18/2006 | EP1711875A1 Bootstrap capacitor refresh circuit |
10/18/2006 | EP0875025B1 Junction field effect voltage reference and fabrication method |
10/18/2006 | CN1848635A Multiple circuit of program controllable regulation output voltage |
10/18/2006 | CN1848019A Constant voltage power supply circuit and method of testing the same |
10/18/2006 | CN1848018A Fast restoring low voltage drop linear voltage stabilizer |
10/18/2006 | CN1848017A Adaptive failure time controller capable of regulating failure time |
10/17/2006 | USRE39341 Apparatus for lighting fluorescent lamp |
10/17/2006 | US7123829 Digital camera and power supply apparatus used therefor |
10/17/2006 | US7123729 Dual use of an integrated circuit pin and the switching of signals at said pin |
10/17/2006 | US7123494 Power factor correction circuit and method of varying switching frequency |
10/17/2006 | US7123492 Circuit for reducing inrush current generated during startup of a switching power supply |
10/17/2006 | US7123491 AC-DC converting device, and electrical apparatus provided with AC-DC converting function |
10/17/2006 | US7123462 Load control device |
10/17/2006 | US7123085 Rail-to-rail charge pump with replica circuitry |
10/17/2006 | US7123081 Temperature compensated FET constant current source |
10/17/2006 | US7123079 High voltage generator in semiconductor memory device |
10/17/2006 | US7123078 Boosting voltage control circuit |
10/17/2006 | US7123077 Four-phase charge pump circuit with reduced body effect |
10/17/2006 | US7123076 Semiconductor integrated circuit |
10/17/2006 | US7123075 Current mirror compensation using channel length modulation |
10/17/2006 | US7123067 Voltage-change control circuit and method |
10/17/2006 | US7123062 Power-up circuit in semiconductor memory device |
10/17/2006 | US7122996 Voltage regulator circuit |
10/17/2006 | US7122995 Multi-phase DC-DC converter and control circuit for multi-phase DC-DC converter |
10/17/2006 | US7122976 Light management system device and method |
10/17/2006 | US7122975 Filament lamp light quantity control method and filament lamp light quantity control unit and filament lamp light source unit |
10/12/2006 | WO2006107426A1 Digital pulse width modulation controller with preset filter coefficients |
10/12/2006 | WO2006107013A1 Supply power adjusting apparatus and semiconductor manufacturing apparatus |
10/12/2006 | US20060226895 Multiple circuit blocks with interblock control and power conservation |
10/12/2006 | US20060226894 Multiple circuit blocks with interblock control and power conservation |
10/12/2006 | US20060226893 Bias circuit for high-swing cascode current mirrors |
10/12/2006 | US20060226892 Circuit for generating a reference current |
10/12/2006 | US20060226891 Voltage pumping device |
10/12/2006 | US20060226890 On/off charge pump |
10/12/2006 | US20060226823 Current-sourced power supplies |
10/12/2006 | US20060226822 Input current sensing AVP method for future VRM |
10/12/2006 | US20060226821 Voltage regulator circuit with two or more output ports |
10/12/2006 | US20060226820 Overcurrent protection for power converters |
10/12/2006 | US20060226819 Self-driven scheme for synchronous rectifier |
10/12/2006 | US20060226818 Volt-second synchronization for magnetic loads |
10/12/2006 | US20060226817 Metal halide lamp |
10/12/2006 | US20060226816 Boost converter utilizing bi-directional magnetic energy transfer of coupling inductor |
10/12/2006 | US20060226708 Semiconductor switch arrangement |
10/11/2006 | EP1709742A1 Pull-up circuit |
10/11/2006 | EP1709518A1 Voltage regulator circuit arrangement |
10/11/2006 | EP1709504A1 Arc quenching device for a solar array |
10/11/2006 | EP1709503A2 Ballast protecting device |
10/11/2006 | EP1449043B1 Controllable transformer |
10/11/2006 | CN2826489Y Digitalized active regulation energy-saving device |
10/11/2006 | CN2826488Y Voltage regulator circuit capable of anti-peak interference |
10/11/2006 | CN1846184A Power supply apparatus and electronic device having the same |
10/11/2006 | CN1846183A 功率控制器 Power Controllers |
10/11/2006 | CN1845439A Adjustable frequency-stabilizing voltage-stabilizing variable-frequency variable-voltage power supply |
10/11/2006 | CN1845431A Control circuit for carrying out current limitation on peak current controlled DC-DC transformer |
10/11/2006 | CN1845416A Compensation process of reactive-load track compensation apparatus and its control software |
10/11/2006 | CN1279690C Control system for a thermoelectricity cogeneration unit |
10/10/2006 | US7120403 Circuit and method for providing an auto-off capability for a wireless transmitter |
10/10/2006 | US7120000 Circuit for the programmable protection of output over-voltages in a power factor corrector |
10/10/2006 | US7119999 Pre-regulator with reverse current blocking |
10/10/2006 | US7119606 Low-power, low-area power headswitch |
10/10/2006 | US7119605 Dynamic transconductance boosting technique for current mirrors |
10/10/2006 | US7119604 Back-bias voltage regulator having temperature and process variation compensation and related method of regulating a back-bias voltage |
10/10/2006 | US7119529 Circuit arrangement with a resistor voltage divider chain |
10/10/2006 | US7119527 Voltage reference circuit using PTAT voltage |
10/10/2006 | US7119525 Control circuit of DC—DC converter and its control method |
10/10/2006 | US7119524 Control of DC/DC converters having synchronous rectifiers |
10/10/2006 | US7119523 Semiconductor chip |
10/10/2006 | US7119522 Apparatus and method for step-down switching voltage regulation |
10/10/2006 | US7119521 Multi-output DC-DC converter |
10/10/2006 | US7119503 Temperature-to-color converter and conversion method |
10/10/2006 | US7119502 Flashing discharge tube-use power supply and control method therefor |
10/10/2006 | US7119501 Dynamic color mixing LED device |
10/10/2006 | US7119500 Dynamic color mixing LED device |
10/10/2006 | US7119498 Current control device for driving LED devices |
10/05/2006 | WO2006104481A1 Offset correction circuit for voltage-controlled current source |
10/05/2006 | WO2006069157A3 Temperature-stable voltage reference circuit |
10/05/2006 | WO2006062790A3 Adaptive digital voltage regulator |
10/05/2006 | WO2005124496A3 Method and system for enhanced dimming resolution in a light ballast through use of multiple control frequencies |
10/05/2006 | US20060221526 Protection circuit for a power supply unit, and power supply unit with a respective protection circuit |
10/05/2006 | US20060220733 Temperature-independent current source circuit |
10/05/2006 | US20060220732 Constant current circuit and constant current generating method |
10/05/2006 | US20060220731 Transistor bias current regulation apparatus, method, and system |
10/05/2006 | US20060220730 CMOS regulator for low headroom applications |
10/05/2006 | US20060220729 Internal voltage generator |
10/05/2006 | US20060220728 Voltage booster circuit |
10/05/2006 | US20060220631 Circuit and method for controlling DC-DC converter |
10/05/2006 | US20060220630 Digital pulse width modulated power supply with variable LSB |
10/05/2006 | US20060220629 DC-DC converter |
10/05/2006 | US20060220628 Current sense method for bridgeless boost (BLB) PFC circuit using single current transformer |
10/05/2006 | US20060220627 DC-DC converter utilizing a modified Schmitt trigger circuit and method of modulating a pulse width |
10/05/2006 | US20060220626 Power losses reduction in switching power converters |
10/05/2006 | US20060220625 Digital pulse width modulation controller with preset filter coefficients |
10/05/2006 | US20060220624 Apparatus and method for virtually shielding a synchronous switching regulator |
10/05/2006 | US20060220623 Switched mode power supply method and apparatus |
10/05/2006 | US20060220622 Multi-output type DC/DC converter operable at a current discontinuous mode or a current continuous mode |