| 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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| 05/22/2001 | US6236261 Multi-driving apparatus by a multi-level detection and a method for controlling the same |
| 05/22/2001 | US6236250 Circuit for independent power-up sequencing of a multi-voltage chip |
| 05/22/2001 | US6236195 Voltage variation correction circuit |
| 05/22/2001 | US6236194 Constant voltage power supply with normal and standby modes |
| 05/22/2001 | US6236193 Apparatus for voltage regulation and recovery of signal termination energy |
| 05/22/2001 | US6236192 AC voltage regulator |
| 05/22/2001 | US6234427 Solar array regulation and spacecraft pointing using flywheel energy storage with programmable voltage control |
| 05/22/2001 | US6233996 Driving mechanism for industrial installations, in particular for primary industry installations |
| 05/17/2001 | WO1994000806A8 Voltage controller for appliances and inductive loads |
| 05/16/2001 | CN1295374A Multi-phase converter with balanced current |
| 05/15/2001 | US6232893 Method and apparatus for programmably providing a power supply voltage to an integrated circuit |
| 05/15/2001 | US6232823 Voltage setting circuit in a semiconductor integrated circuit |
| 05/15/2001 | US6232757 Method for voltage regulation with supply noise rejection |
| 05/15/2001 | US6232753 Voltage regulator for driving plural loads based on the number of loads being driven |
| 05/10/2001 | WO2001033310A1 Methods and apparatus to predictably change the output voltage of regulators |
| 05/10/2001 | WO2001033309A1 Static voltage regulator |
| 05/10/2001 | WO2001033308A1 Method of regulating the electrical voltage and device for carrying out said method |
| 05/10/2001 | CA2389500A1 Method of regulating the electrical voltage and device for carrying out said method |
| 05/08/2001 | US6229751 Electronic devices and low-voltage detection method |
| 05/08/2001 | US6229723 Power unit and power supply system with a comparison circuit for a reverse flow preventative diode |
| 05/08/2001 | US6229721 High voltage power supply apparatus |
| 05/08/2001 | US6229384 Semiconductor integrated circuit containing power voltage regulating circuit which employs depletion-type transistor |
| 05/08/2001 | US6229383 Internal power-source potential supply circuit, step-up potential generating system, output potential supply circuit, and semiconductor memory |
| 05/08/2001 | US6229292 Voltage regulator compensation circuit and method |
| 05/08/2001 | US6229288 Method and apparatus for electronic power control |
| 05/08/2001 | US6229283 Voltage/current regulator and method for battery charging |
| 05/08/2001 | US6229271 Low distortion line dimmer and dimming ballast |
| 05/03/2001 | WO2001031663A1 Electrical circuit arrangement for converting an input voltage |
| 05/03/2001 | WO2001031606A1 Supply current regulator for two-wire sensors |
| 05/03/2001 | US20010000655 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 |
| 05/03/2001 | DE19951944A1 Elektrische Schaltungsanordnung zur Umformung einer Eingangsspannung Electrical circuit arrangement for converting an input voltage |
| 05/03/2001 | DE10054143A1 Constant current source circuit has resistors and primary and secondary transistors for providing current through load which is independent of temperature variations |
| 05/03/2001 | CA2389073A1 Supply current regulator for two-wire sensors |
| 05/02/2001 | EP1096455A1 Non-isolated type voltage sensor |
| 05/02/2001 | EP1096262A2 Current detector |
| 05/02/2001 | EP1095324A1 A method and a device for controlling a secondary voltage in a transformer device connected to a power network and comprising an on-load tap-changer |
| 05/02/2001 | CN2428351Y Stabilied dc. power supply for apparatus carried on vehicles |
| 05/02/2001 | CN1293476A Method and system for inhibiting voltage fluctuation in transmission line |
| 05/01/2001 | US6226205 Reference voltage generator for an integrated circuit such as a dynamic random access memory (DRAM) |
| 05/01/2001 | US6225860 Source voltage detecting circuit |
| 05/01/2001 | US6225857 Non-inverting driver circuit for low-dropout voltage regulator |
| 05/01/2001 | US6225852 Use of biased high threshold voltage transistor to eliminate standby current in low voltage integrated circuits |
| 05/01/2001 | US6225797 Circuit for limiting inrush current through a transistor |
| 05/01/2001 | US6225794 Step-up continuous mode DC-to-DC converter with integrated fuzzy logic current control |
| 05/01/2001 | US6225792 Method and apparatus for the supply of energy to a hearing device |
| 05/01/2001 | US6225791 Controller for performing a decoupling control of a transformerless reactive series compensator |
| 04/25/2001 | EP1094379A1 Voltage regulator |
| 04/24/2001 | US6223080 Power consumption reduction in medical devices employing multiple digital signal processors and different supply voltages |
| 04/24/2001 | US6222399 Bandgap start-up circuit |
| 04/24/2001 | US6222357 Current output circuit with controlled holdover capacitors |
| 04/24/2001 | US6222354 Charge compensator for voltage regulator |
| 04/24/2001 | US6222353 Voltage regulator circuit |
| 04/24/2001 | US6222351 Dual supply device with a single direct-current/direct-current converter and capacitive translator |
| 04/24/2001 | US6222350 High temperature voltage regulator circuit |
| 04/19/2001 | WO2001027708A1 Voltage supply circuit |
| 04/19/2001 | WO2000036735A9 Switched load voltage regulation circuit |
| 04/18/2001 | EP1093044A1 Linear regulator with low serial voltage dropout |
| 04/18/2001 | EP1092260A1 Circuit for correcting the power factor |
| 04/18/2001 | EP1092181A1 Voltage ratio regulator system |
| 04/18/2001 | CN1292169A Level shifter |
| 04/18/2001 | CN1292107A Electric appliance |
| 04/18/2001 | CN1291821A Current mode DC/DC inverter possessing controllable output impedance |
| 04/18/2001 | CN1291820A Power control method and circuit and power source device |
| 04/18/2001 | CN1064789C Solar cell power source device |
| 04/18/2001 | CN1064787C Circuit for improved load transient response in power supplies |
| 04/17/2001 | US6219261 Differential voltage-to-current converter |
| 04/17/2001 | US6219214 Switching circuit protection apparatus and method |
| 04/17/2001 | US6218819 Voltage regulation device having a differential amplifier coupled to a switching transistor |
| 04/17/2001 | US6218817 Voltage-switching regulator with built-in voltage-switching module for a memory module |
| 04/17/2001 | US6218810 Output circuit and battery pack |
| 04/17/2001 | US6218744 Uninterruptible power supply and ferroresonant transformer for use therewith |
| 04/12/2001 | WO2001025867A1 An apparatus for voltage regulation and recovery of signal termination energy |
| 04/12/2001 | DE19950027A1 Controlling adjusting element e.g. for throttle valve of IC engine, involves triggering pulse of control signal for each determination of value which establishes pulse duration of control signal |
| 04/11/2001 | EP1090338A1 Temperature tracking voltage-to-current converter |
| 04/11/2001 | EP0919019A4 Energy saving power control system |
| 04/11/2001 | CN1064487C Power control apparatus for solar power generation system |
| 04/10/2001 | US6215289 Switchable D.C. voltage regulation circuit |
| 04/10/2001 | CA2078452C Arrangement for accurately sensing voltage of a high-impedance source and supplying power to a variable burden |
| 04/05/2001 | WO2001023973A1 Circuit for low current drain reference voltage generation |
| 04/05/2001 | DE19947106A1 Method for supplying power to consumer load e.g. for control system actuator or sensor |
| 04/04/2001 | EP1089154A1 Linear regulator with output voltage selection |
| 04/04/2001 | CN2426174Y Contactless compensation type ac voltage stabilizer for microcomputer |
| 04/04/2001 | CN1290118A Direct arc furnace supplied by controllable current |
| 04/03/2001 | US6211727 Circuit and method for intelligently regulating a supply voltage |
| 03/29/2001 | WO2001022781A1 Signal generator and control unit for sensing signals of signal generator |
| 03/28/2001 | EP1087509A2 System and method for determining output current and converter employing the same |
| 03/28/2001 | EP1086477A1 Input circuit for relatively high current ac signals to be monitored |
| 03/27/2001 | US6208197 Internal charge pump voltage limit control |
| 03/27/2001 | US6208127 Methods and apparatus to predictably change the output voltage of regulators |
| 03/27/2001 | US6208125 Low noise current source |
| 03/27/2001 | US6208124 Semiconductor integrated circuit |
| 03/27/2001 | US6208123 Voltage regulator with clamp circuit |
| 03/27/2001 | CA2059935C High power factor power supply |
| 03/22/2001 | WO2001020419A1 Semiconductor device |
| 03/22/2001 | DE19944397A1 Anordnung zur Auskopplung eines Auskoppelstroms aus einem Laststrom und zur Gewinnung einer Regelgrösse zur Steuerung des Laststroms Arrangement for coupling a Auskoppelstroms of a load current and to obtain a control variable for controlling the load current |
| 03/22/2001 | DE10046668A1 Electric load control circuit uses n-channel MOSFET protected by Zener diode connected across its switched current path and diode between its gate and earth |
| 03/21/2001 | EP1085391A1 System of decoupling a decoupling current from a load current and adapted to obtain a controlled variable to control the load curent |
| 03/21/2001 | EP1084463A1 Apparatus and method for reducing energy fluctuations in a portable data device |
| 03/20/2001 | US6205197 Programmable supervisory circuit and applications therefor |
| 03/20/2001 | US6205040 Auxiliary resonant commutated pole three-point or multipoint converter |