| 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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| 03/20/2001 | US6204722 Electronic circuit for generating a stable voltage signal for polarizing during a reading step UPROM memory cells operating at low feed voltage |
| 03/20/2001 | US6204720 Load current control circuitry for power supplies driving a common load for providing a uniform temperature distribution |
| 03/20/2001 | US6204693 Apparatus for regulating the flow of current through a load |
| 03/20/2001 | US6204654 Dynamically boosted current source circuit |
| 03/20/2001 | US6204653 Reference voltage generator with monitoring and start up means |
| 03/20/2001 | US6204652 Voltage regulating system for electrical loads in a motor vehicle |
| 03/20/2001 | US6204650 Power supply apparatus and method of controlling power supply circuit for generating a DC output |
| 03/20/2001 | US6204646 Power supply device |
| 03/20/2001 | US6204645 Battery charging controller |
| 03/15/2001 | WO2001018945A1 Intelligent switch for power management |
| 03/14/2001 | EP1083471A1 Voltage regulator |
| 03/14/2001 | EP1083436A1 Method and circuit for testing the presence of multiple supply voltages in an integrated circuit |
| 03/14/2001 | EP0946911A4 Inverter circuit biased to limit the maximum drive current to a following stage and method |
| 03/14/2001 | CN1287293A Voltage stabilizer |
| 03/13/2001 | US6201674 Direct-current stabilization power supply device |
| 03/13/2001 | US6201437 Internal high voltage generation circuit capable of stably generating internal high voltage and circuit element therefor |
| 03/13/2001 | US6201435 Low-power start-up circuit for a reference voltage generator |
| 03/13/2001 | US6201380 Constant current/constant voltage generation circuit with reduced noise upon switching of operation mode |
| 03/13/2001 | US6201376 Apparatus and method for establishing an operating parameter for a power supply device |
| 03/13/2001 | US6201375 Overvoltage sensing and correction circuitry and method for low dropout voltage regulator |
| 03/13/2001 | US6201374 Voltage regulation and power switching system |
| 03/13/2001 | CA2193338C Switchable power supply with electronically controlled output curve and adaptive hot start |
| 03/08/2001 | WO2001017090A1 Semiconductor fuse for electrical consumers |
| 03/08/2001 | DE19941699A1 Halbleitersicherung für elektrische Verbraucher Semiconductor fuse for electrical loads |
| 03/08/2001 | DE10025904A1 Stromversorgungssystem Power supply system |
| 03/08/2001 | DE10024362A1 Semiconductor device operating on basis of constant current provided by constant current circuit damps noise generated in internal circuits with buffer circuits |
| 03/07/2001 | EP1081838A2 Power control method and circuit, and power supply unit |
| 03/07/2001 | EP1081675A2 A power circuit for a liquid crystal display |
| 03/07/2001 | EP1081572A1 Supply circuit with voltage selector |
| 03/07/2001 | CN1286520A DC-DC converter of synchronous rectification type with improved current sensing |
| 03/06/2001 | US6198683 Memory device |
| 03/06/2001 | US6198331 Voltage level converter circuit improved in operation reliability |
| 03/06/2001 | US6198325 Differencing non-overlapped dual-output amplifier circuit |
| 03/06/2001 | US6198267 Current generator for delivering a reference current of which the value is proportional to the absolute temperature |
| 03/06/2001 | US6198266 Low dropout voltage reference |
| 03/06/2001 | US6198265 Fixed frequency switching regulator with improved dynamic response |
| 03/06/2001 | US6198263 Power MOSFET switching dead time control method and apparatus |
| 03/06/2001 | US6198262 Selective dual input low dropout linear regulator |
| 03/06/2001 | CA2260941C Energy saving power control system |
| 02/28/2001 | EP1079506A1 Voltage generating circuit |
| 02/28/2001 | EP1079447A2 Piezo-electric/electrostrictive element driving circuit |
| 02/28/2001 | EP1078378A1 Power regulator |
| 02/28/2001 | EP1058870A4 Internal cmos reference generator and voltage regulator |
| 02/28/2001 | CN1062684C Transmission line power flow controller with unequal advancement and retardation of transmission angle |
| 02/27/2001 | US6195298 Semiconductor integrated circuit capable of rapidly rewriting data into memory cells |
| 02/27/2001 | US6194953 Circuit configuration for generating an internal supply voltage |
| 02/27/2001 | US6194887 Internal voltage generator |
| 02/27/2001 | US6194873 Power source supplying circuit and method comprising a constant-voltage control arrangement |
| 02/22/2001 | WO2001013193A1 Electric power supply network, in particular for public lighting |
| 02/21/2001 | CN1284654A Current detecting device |
| 02/20/2001 | US6191645 Electronic circuit with partitioned power transistor |
| 02/20/2001 | US6191565 Power factor compensation controller |
| 02/20/2001 | US6191563 Energy saving power control system |
| 02/20/2001 | US6191541 Solid state tail light for aircraft |
| 02/14/2001 | CN2419735Y Switch electric power with wide inputting range |
| 02/13/2001 | US6188212 Low dropout voltage regulator circuit including gate offset servo circuit powered by charge pump |
| 02/13/2001 | US6188211 Current-efficient low-drop-out voltage regulator with improved load regulation and frequency response |
| 02/13/2001 | US6188210 Methods and apparatus for soft start and soft turnoff of linear voltage regulators |
| 02/13/2001 | US6188205 Power system control apparatus and power system control method |
| 02/13/2001 | US6188182 Power control apparatus for lighting systems |
| 02/08/2001 | DE10021945A1 Verteilungssystem für die elektrische Leistung für ein Brennstoffzellenfahrzeug Distribution system for the electric power for a fuel cell vehicle |
| 02/07/2001 | EP1074847A1 Electrical current sensing apparatus |
| 02/07/2001 | CN2418609Y All-integrated stabilizing, charging and discharging three-purpose machine |
| 02/07/2001 | CN1283283A 电压调整器 The voltage regulator |
| 02/06/2001 | US6184744 Internal power supply voltage generation circuit that can suppress reduction in internal power supply voltage in neighborhood of lower limit region of external power supply voltage |
| 02/06/2001 | US6184740 Control Circuit |
| 02/06/2001 | US6184720 Internal voltage generating circuit of a semiconductor device using test pad and a method thereof |
| 02/06/2001 | US6184669 Current control circuit |
| 02/06/2001 | US6184664 Voltage regulator circuit for suppressing latch-up phenomenon |
| 02/01/2001 | WO2001008307A1 Electronic drive control mechanism |
| 02/01/2001 | WO2001008300A1 Method of and arrangement for converting voltage to current |
| 02/01/2001 | DE19935045A1 Elektronische Antriebssteuerung Electronic traction control |
| 02/01/2001 | DE19934150A1 Circuit with switch for direct voltage has output voltage fed back to switch control input via impedance and input for control signal connected to input stage via blocking capacitor |
| 02/01/2001 | DE10022665A1 Semiconductor device has current drive circuit which passes current between power-supply node and internal voltage line, based on charging voltage of capacitor |
| 01/31/2001 | EP0943124A4 High impedance bias circuit for ac signal amplifiers |
| 01/31/2001 | CN2417623Y Automatic tracing, reactive-load compensation arrangement |
| 01/30/2001 | US6181195 Impedance transport circuit |
| 01/30/2001 | US6181192 Constant voltage circuit comprising temperature dependent elements and a differential amplifier |
| 01/30/2001 | US6181120 Current mode dc/dc converter with controlled output impedance |
| 01/30/2001 | US6181119 Circuit compensating for change in internal power supply voltage, and semiconductor integrated circuit device including such a circuit |
| 01/30/2001 | US6181118 Control circuit for controlling a semi-conductor switch for selectively outputting an output voltage at two voltage levels |
| 01/30/2001 | US6181117 Power supply circuit of an electronic component in a test machine |
| 01/30/2001 | US6181116 Power regulator |
| 01/30/2001 | US6181113 Harmonic resonance control and protection system for switched power factor control capacitor devices |
| 01/30/2001 | US6181082 Ballast power control circuit |
| 01/25/2001 | WO2001006626A1 Device for generating an adjustment signal for a d.c. converter |
| 01/25/2001 | DE10025721A1 Standby power supply circuit for electric equipment, compares rectified voltage from secondary side of standby transformer with reference values, to control auxiliary power supply to transformer |
| 01/24/2001 | EP1071185A2 Turbogenerator power control system and method |
| 01/24/2001 | CN2416665Y Multifunction flame-proof source |
| 01/24/2001 | CN2416525Y Electronic voltage regulator for torque electric machine |
| 01/24/2001 | CN1061184C Switching power supply |
| 01/23/2001 | US6178104 Power factor correction circuit using reverse sawtooth waves |
| 01/23/2001 | US6178055 Low ripple negative voltage supply for a disc drive |
| 01/23/2001 | US6177830 High voltage charge pump using standard sub 0.35 micron CMOS process |
| 01/23/2001 | US6177785 Programmable voltage regulator circuit with low power consumption feature |
| 01/23/2001 | US6177784 Large signal gain modifier circuit |
| 01/23/2001 | US6177783 Current balancing for voltage regulator having inputs from multiple power supplies |
| 01/23/2001 | US6177781 Power-factor improvement device |
| 01/23/2001 | US6177764 Methods and apparatus for the closed loop control of magnetron current |
| 01/23/2001 | US6177629 Spacecraft solar array charging control device |