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)
02/2004
02/19/2004DE10236857A1 Circuit structure for operating consumers on a variable distribution voltage source of current uses consumers' own sources of voltage to form constant sources of current as operational amplifiers
02/19/2004DE10236166A1 Voltage regulating device for consumers at distances apart assigned with measurement devices has an adjustable voltage supply, a sensor wire to transmit a measurement signal and an adjusting device
02/19/2004DE10021945B4 Verteilungssystem für die elektrische Leistung für ein Brennstoffzellenfahrzeug Distribution system for the electric power for a fuel cell vehicle
02/18/2004EP1389829A1 Power converter and electric power generator
02/18/2004CN1138954C Solar-powdered refrigerator
02/17/2004US6693784 Active power supply transient limiter circuit
02/17/2004US6693781 Circuit arrangement of a control device for monitoring a voltage
02/17/2004US6693478 System and method for implementing soft power up
02/17/2004US6693467 Circuit of substantially constant transconductance
02/17/2004US6693414 Power supply apparatus
02/17/2004US6693410 Power sequencing and ramp rate control circuit
02/12/2004WO2003061317A3 Voltage regulator for electronic device
02/12/2004US20040027192 Automatic voltage sense circuit
02/12/2004US20040027186 System and method for implementing soft power up
02/12/2004US20040027171 Semiconductor integrated circuit having internal power supply voltage down conversion circuit
02/12/2004US20040027112 Power converter and electric power generator
02/12/2004US20040027110 Power supply control apparatus
02/12/2004US20040027109 Apparatus and method for electric current control
02/12/2004US20040027108 Apparatus and methods for regulated voltage
02/12/2004US20040027107 Power-supply feedthrough protection circuit for 5-volt failsafe CMOS drivers
02/12/2004US20040027106 Soft-start system for voltage regulator and method of implementing soft-start
02/12/2004US20040027103 Tracking or independent output voltage adjustment for multiple output supplies
02/12/2004US20040027097 Open loop inductor current control system and method
02/12/2004US20040027096 Auxiliary circuit for power factor corrector having self-power supplying and zero current detection mechanisms
02/12/2004US20040027095 Wind energy turbine and wind farm consisting of a plurality of wind energy turbines
02/12/2004DE10335010A1 Interne Spannungsgeneratorschaltung Internal voltage generator circuit
02/12/2004DE10231932A1 Circuit for generating controllably regulated voltage from unregulated voltage has variable impedance element regulated by regulator depending on reference voltage and regulation voltage
02/11/2004EP1388774A1 Source conditioning circuit at a maximum power point
02/11/2004CN2603422Y Rectification voltage stabilizer for motor cycle
02/11/2004CN1474502A Circuit module for producing low ripple APD bias voltage
02/11/2004CN1474492A Power converter and power generator
02/11/2004CN1474413A Internal voltage source generator in semiconductor storage device
02/10/2004US6691065 System foraiding the preparation of operation and maintenance plans for a power generation installation
02/10/2004US6690150 Method and a system for producing a power supply voltage for controlling an electronic switch
02/10/2004US6690149 Power supply and display apparatus including thereof
02/10/2004US6690147 LDO voltage regulator having efficient current frequency compensation
02/10/2004US6690144 Open loop inductor current control system and method
02/10/2004US6690143 Power factor correction circuit with resonant snubber
02/05/2004WO2004012024A1 Capacitively coupled current boost circuitry for integrated voltage regulator
02/05/2004US20040021505 Circuit for producing a reference voltage for transistors set to a standby state
02/05/2004US20040021503 Capacitively coupled current boost circuitry for integrated voltage regulator
02/05/2004US20040021500 Internal voltage generating circuit with variable reference voltage
02/05/2004US20040021445 Power slope targeting for DC generators
02/04/2004EP1142090B1 Voltage switch-over device
02/04/2004CN2602537Y Compensating back-up type PLC controlled DC power set
02/04/2004CN2602517Y Steadyflow source for semiconductor laser
02/04/2004CN2602410Y Microprocessor power supply controller for the constant-current supply system
02/04/2004CN1137609C 镇流器 Ballast
02/04/2004CN1137388C DC electronic load simulator
02/03/2004US6687151 Voltage generation circuit for selectively generating high and negative voltages on one node
02/03/2004US6687105 Thermal compensation method and device for circuits with temperature-dependent current sensing elements
02/03/2004US6686797 Temperature stable CMOS device
02/03/2004US6686792 Electronic circuit, semiconductor device, electronic equipment, and timepiece
02/03/2004US6686728 Dropper-type DC stabilized power supply circuit provided with difference amplifiers for supplying a stable output voltage
02/03/2004US6686726 Tracking or independent output voltage adjustment for multiple output supplies
02/03/2004US6686725 Power supply circuit compensating power factor
01/2004
01/29/2004US20040017205 Method for monitoring a power supply of a control unit in a motor vehicle
01/29/2004US20040017183 Power glitch free internal voltage generation circuit
01/28/2004EP1385074A2 Power supplying method and apparatus capable of quickly responding to variations in input and output voltages to output a stable voltage
01/28/2004EP1384311A1 Control system for a cogeneration unit
01/28/2004CN1471758A Controlled self-oscillation modulator and pwoer conversion system for using same
01/28/2004CN1470967A DC stable power source and large adjustable switch type DC stable power source
01/27/2004US6683767 Semiconductor integrated circuit
01/27/2004US6683765 Switching power unit
01/27/2004US6683491 Semiconductor integrated circuit
01/27/2004US6683490 Temperature dependent constant-current generating circuit
01/27/2004US6683445 Internal power voltage generator
01/27/2004CA2159709C System for controlling an electrostatic precipitator using digital signal processing
01/22/2004WO2004008619A2 Inverter
01/22/2004WO2004008500A2 Method of protecting semiconductor device and protection apparatus for semiconductor device using the same
01/22/2004WO2004008298A2 Capacitive feedback circuit
01/22/2004WO2003069420A3 Low drop-out voltage regulator
01/22/2004US20040013139 FET current regulation of LEDs
01/22/2004US20040012905 DC regulated power supply
01/22/2004US20040012436 Clock regulation scheme for varying loads
01/22/2004US20040012377 Power supply circuit
01/22/2004DE10254181B3 Geregelte Spannungsversorgung für abgesetzte Sensorsysteme Regulated power supply for remote sensor systems
01/21/2004EP1383033A2 Power limiting time delay circuit
01/21/2004CN2600968Y UPS uninterruption power supply device
01/21/2004CN2600965Y Earth leakage protective device
01/21/2004CN2600846Y Intelligent regulation and control converting station
01/21/2004CN2600023Y Electronic control device of coffee maker
01/21/2004CN1469217A Switching and rectifying voltage regulator
01/21/2004CN1469216A Power source circuit
01/21/2004CN1469182A Electric source device of camera
01/20/2004US6680642 Analog bipolar current source
01/20/2004US6680602 Reactive power compensator
01/15/2004WO2004006038A1 Interface for shunt voltage regulator in a contactless smartcard
01/15/2004WO2004006037A2 Output regulator
01/15/2004US20040008197 Voltage generating apparatus including rapid amplifier and slow amplifier
01/15/2004US20040008079 Power supply circuit with control of rise characteristics of output voltage
01/15/2004US20040008077 Voltage regulator with dynamically boosted bias current
01/15/2004US20040008075 Semiconductor integrated circuit with stabilizing capacity
01/15/2004US20040008017 Low voltage large swing/high linearity analog buffer with servo amplifier and feedback loop
01/15/2004US20040008016 Output regulator
01/15/2004US20040008013 Interface for shunt voltage regulator in a contactless smartcard
01/15/2004US20040008012 FireWire/USB bus-charger for 12V DC automotive
01/15/2004DE10120789B4 Verfahren und Schaltungsanordnung zur Reaktivierung eines Schaltkreises aus dem Standby-Zustand Method and circuit arrangement for the reactivation of a circuit in the standby state
01/14/2004CN2599621Y High reliable compensating AC voltage-stabilized source
01/14/2004CN2599620Y Analog AC constant-current source