Patents
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)
11/2002
11/19/2002US6483379 Input circuit for relatively high current AC signals to be monitored
11/19/2002US6483357 Semiconductor device reduced in through current
11/19/2002US6483204 Power supply system with information exchange between plural loads and plural power sources
11/14/2002US20020167770 Protecting circuit against short-circuit of output terminal of AC adapter
11/14/2002US20020167351 Circuit and method for reducing leakage current within an electronic system
11/14/2002US20020167350 Voltage generator circuit and method for controlling thereof
11/14/2002US20020167298 Power adjustment apparatus
11/14/2002DE10119664A1 Anordnung zur automatischen Spannungsregelung und Motorantrieb zur automatischen Spannungsregelung An automatic voltage regulator and motor drive for automatic voltage regulation
11/13/2002CN1379867A Power supply circuit for composite bridge amplifier
11/13/2002CN1379535A Voltage generator circuit and its control method
11/13/2002CN1379301A 电压检测电路 Voltage detection circuit
11/12/2002US6480053 Semiconductor device having an internal power supply circuit
11/12/2002US6479972 Voltage regulator for supplying power to internal circuits
11/07/2002WO2002088863A1 Low power voltage regulator with improved on-chip noise isolation
11/07/2002WO2002063685A3 Voltage adjustment system and method
11/07/2002WO2002031951A3 System and method for highly phased power regulation using adaptive compensation control
11/07/2002US20020163371 Power converter circuit and method for controlling
11/07/2002US20020163323 Maximum power point tracking method and device
11/07/2002US20020163316 Methods and apparatus for sensor responsive illumination of liquids
11/06/2002EP1254444A1 Supply current regulator for two-wire sensors
11/06/2002CN1378767A Compander for power control in ballast
11/06/2002CN1378112A Current source device for latching detection
11/06/2002CN1093996C Base current-control circuit of output transistor
11/06/2002CN1093950C Voltage reference apparatus, voltameter, battery voltage detection apparatus and wireless communication device
11/05/2002US6476641 Low power consuming circuit
11/05/2002US6476582 Battery power supply apparatus
11/05/2002US6474979 Device and method for triggering a gas furnace ignitor
10/2002
10/31/2002WO2002086648A1 Series connected voltage regulators
10/31/2002WO2002086647A2 Arrangement for automatically influencing a mains supply and motor drive for said arrangement
10/31/2002US20020158679 Voltage control circuit
10/31/2002US20020158618 Data processing system
10/31/2002US20020158612 Very low quiescent current regulator and method of using
10/31/2002US20020158583 Automotive information systems
10/31/2002CA2440908A1 Arrangement for automatically influencing a mains supply and motor drive for said arrangement
10/30/2002EP1253498A1 Voltage regulator
10/30/2002EP1252558A1 Voltage control system and method
10/30/2002CN1377114A Auxilitary power supply
10/30/2002CN1377083A Method for enlarging power supply voltage range of IC
10/30/2002CN1093653C Power supply circuit for microcomputer
10/29/2002US6472910 Electrical load driving device
10/29/2002US6472857 Very low quiescent current regulator and method of using
10/29/2002US6472855 Voltage regulator circuit with transient generator to respond to load current changes and method therefor
10/29/2002US6472853 Apparatus and method for limiting leakage to ground current while optimizing output of a power supply adaptable for use with a motion sensor switch
10/29/2002US6472851 Hybrid tap-changing transformer with full range of control and high resolution
10/29/2002US6472850 Method and apparatus for determining voltage regulator tap position
10/24/2002WO2002084426A2 Voltage regulator
10/24/2002US20020154524 Charge pump rash current limiting circuit
10/24/2002US20020153941 Semiconductor device having a pump circuit
10/24/2002DE10213254A1 Lastbetriebssystem und Verfahren dazu Load Operating System and method therefor
10/24/2002DE10213253A1 Lastbetriebssystem und Verfahren dazu Load Operating System and method therefor
10/23/2002CN2518136Y Electricity saver
10/22/2002US6469570 Voltage supply circuit
10/22/2002US6469480 Voltage regulator circuit having output terminal with limited overshoot and method of driving the voltage regulator circuit
10/22/2002US6469479 Power control system and method for a display apparatus
10/22/2002US6469477 Power-on reset circuit
10/22/2002US6469283 Method and apparatus for reducing thermal gradients within a substrate support
10/17/2002WO2002082631A1 Control system for a cogeneration unit
10/17/2002US20020152045 Information systems
10/17/2002US20020149950 Power conditioner for solar power generation system
10/17/2002US20020149398 High bandwidth, high PSRR, low dropout voltage regulator
10/17/2002US20020149350 Power supply circuit and an electronic control unit including the same
10/17/2002US20020149266 Input power stabilizing circuit
10/17/2002US20020149036 Semiconductor integrated circuit
10/17/2002DE10216015A1 Overvoltage protection circuit for CMOS circuits has potential divider and inverter circuits and switching element formed on same substrate as protected integrated CMOS circuit
10/16/2002EP1249749A1 Power source
10/16/2002EP0692876B1 Power-out reset system
10/16/2002CN1374739A DC-DC converter power source circuit, method for controlling DC-DC converter and method for controlling power source circuit
10/15/2002US6466422 Current limit protection circuit for a voltage regulator
10/15/2002US6466081 Temperature stable CMOS device
10/15/2002US6466060 Switching device with separated driving signal input and driving circuit of the same
10/15/2002US6465994 Low dropout voltage regulator with variable bandwidth based on load current
10/15/2002US6465990 Power factor correction circuit
10/10/2002WO2002080288A2 Current source methods and apparatus for light emitting diodes
10/10/2002US20020145466 Internal power voltage generating circuit of semiconductor device
10/10/2002US20020145412 Power supply circuit stably supplying power supply potential even to load consuming rapidly changing current and semiconductor memory device with same
10/10/2002DE10115100A1 Verfahren zur Vergrößerung des Versorgungsspannungsbereichs einer integrierten Schaltung A process for increasing the supply voltage range of an integrated circuit
10/09/2002EP1248174A2 Voltage generator circuit and method for controlling thereof
10/09/2002CN1092355C Auto-controlled constant-current high-voltage DC power supply
10/08/2002US6462969 Method and apparatus for controlling power supply units in a power supply based on the number of operating power supply units
10/08/2002US6462967 Power supply device, control method for the power supply device, portable electronic device, timepiece, and control method for the timepiece
10/08/2002US6462519 Automatic power factor correction system
10/08/2002US6462434 Power supply isolation circuit and method
10/03/2002WO2002077743A1 Methods and apparatus for open loop enhanced control of power supply transients
10/03/2002US20020142740 Transmitting apparatus
10/03/2002US20020141124 Protection device
10/03/2002US20020140495 Method for increasing the supply voltage range of an integrated circuit
10/03/2002US20020140468 Semiconductor integrated circuit and method for generating internal supply voltage in semiconductor integrated circuit
10/03/2002US20020140409 Power supply unit
10/03/2002US20020140402 Voltage detecting circuit
10/03/2002US20020140378 Current source methods and apparatus for light emitting diodes
10/02/2002EP1057235B1 POWER SUPPLIES FOR ECUs
10/02/2002DE10109563A1 Circuit with controller changeable from rest to operating mode combines 2 inputs via EXOR function, combines results with further EXOR function, repeats until only one output remains
10/02/2002CN2514357Y Voltage limiting type resistance discharging circuit device
10/02/2002CN1372177A Constant current and voltage regulator and electricity recharger using said regulator
10/02/2002CN1372176A Voltage output terminal direct paralleled current equalizing power supply circuit
10/02/2002CN1091974C Boosting pulse generation circuit
10/02/2002CN1091893C 电压调节器 Voltage Regulator
10/01/2002US6459329 Power supply auxiliary circuit
10/01/2002US6459265 Method and apparatus for reducing input impedance of a preamplifier
10/01/2002US6459248 Microelectronic current regulator