Patents
Sitemap › G05 - Controlling; Regulating › G05F - Systems for regulating electric or magnetic variables › 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
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)
11/2005
11/10/2005US20050248386 Four phase charge pump operable without phase overlap with improved efficiency
11/10/2005US20050248372 Voltage current conversion device and light emitting device
11/10/2005US20050248331 Fast low drop out (LDO) PFET regulator circuit
11/10/2005US20050248330 Voltage generating apparatus with a fine-tune current module
11/10/2005US20050248326 Method and apparatus for current limitation in voltage regulators with improved circuitry for providing a control voltage
11/10/2005US20050248325 Voltage regulator with improved power supply rejection ratio characteristics and narrow response band
11/10/2005US20050248324 Power supply for measuring the line impedance of underground cable
11/10/2005US20050248323 Power factor controller that computes currents without measuring them
11/10/2005US20050248322 Voltage regulating apparatus supplying a drive voltage to a plurality of loads
11/10/2005US20050248287 Current control apparatus for fluorescent lamps
11/10/2005DE19501151B4 Schaltnetzteil Switching power supply
11/10/2005DE102005015989A1 LED Gegenregler Kontroll-IC LED counter-regulator control IC
11/10/2005DE102004019336A1 Verfahren und Schaltungsanordnung zur Vermeidung oder zumindest zur Reduzierung von Störsignalen beim Abschalten einer Spannungsabgabeschaltung, insbesondere eines Hausgerätes Method and circuit arrangement to avoid or at least to reduce noise when turning off a voltage output circuit, in particular a domestic appliance
11/09/2005EP1593143A2 Power supply control unit
11/09/2005CN2739685Y Voltage stabilizer
11/09/2005CN1695099A Adaptive CFL control circuit
11/09/2005CN1694029A Parameter type switch voltage-stablized power supply and its control circuit
11/09/2005CN1694028A Multiplex output circuit and control method thereof
11/08/2005US6963498 Bootstrap capacitor refresh circuit
11/08/2005US6963460 Voltage regulator operable over a wide range of supply voltage
11/08/2005US6963240 Damping of LC ringing in IC (integrated circuit) power distribution systems
11/08/2005US6963239 Device and process for adjustment of an operating parameter of an analog electronic circuit
11/08/2005US6963230 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
11/08/2005US6963204 Method to include delta-I noise on chip using lossy transmission line representation for the power mesh
11/08/2005US6963191 Self-starting reference circuit
11/08/2005US6963190 Power supply apparatus
11/08/2005US6963188 On-chip power supply interface with load-independent current demand
11/03/2005WO2005104371A2 Method and circuit used to prevent or at least to reduce disturbance signals when switching off voltage supply, in particular in a household device
11/03/2005WO2005103855A1 On-chip power supply interface with load-independent current demand
11/03/2005WO2005103854A1 High intensity discharge strobe lamp assembly and method for producing attenuated-emi strobe illumination
11/03/2005US20050246068 System for aiding the preparation of operation and maintenance plans for a power generation installation
11/03/2005US20050243623 Circuit arrangement for voltage regulation
11/03/2005US20050243584 Inverter controlling method
11/03/2005US20050242798 Circuits and methods for providing multiple phase switching regulators which employ the input capacitor voltage signal for current sensing
11/03/2005US20050242797 Switching converter having at least two converter stages
11/03/2005US20050242796 Low dropout voltage regulator providing adaptive compensation
11/03/2005US20050242795 MMIC DC-to-DC converter
11/03/2005US20050242794 Voltage regulator
11/03/2005US20050242792 High efficiency linear regulator
11/03/2005US20050242791 High-speed, dual-loop push-pull voltage regulator
11/03/2005US20050242787 Switching power supply circuit
11/03/2005DE102005013523A1 Energieversorgungsschaltung für einen Sensor für eine physikalische Grösse Power supply circuit for a sensor for a physical quantity
11/03/2005DE102004014203A1 Kontaktloser Datenträger mit Stromdemodulation Contact-free data carrier with Stromdemodulation
11/02/2005EP1592122A2 Inverter controlling method
11/02/2005EP1590879A2 Power factor correction circuit
11/02/2005EP1590875A1 Electrical converter for converting electrical power
11/02/2005EP1410126A4 Differential current source with active common mode reduction
11/02/2005CN2738292Y Thick film circuit
11/02/2005CN2738291Y Electronic semi-stabilized voltage power economizer
11/02/2005CN1691487A Inverter controlling method
11/02/2005CN1691481A Switching regulator and method for changing output voltages thereof
11/02/2005CN1691480A Power supply device and switching power supply device
11/02/2005CN1691479A Switching power supply circuit
11/02/2005CN1691478A Switching power supply circuit and semiconductor device integrating the same
11/02/2005CN1691464A Electric power control apparatus, power generation system and power grid system
11/02/2005CN1691454A Protection circuit for a switched mode power supply
11/02/2005CN1691452A Power saving control method and device in electronic device, and power saving electronic device
11/02/2005CN1690906A Power circuit
11/01/2005US6960932 Apparatus and method to correct a reference voltage
11/01/2005US6960907 Efficient low dropout linear regulator
11/01/2005US6960905 Time-sharing current sense circuit for a multi-phase converter
11/01/2005US6960902 Conversion circuit for discriminating sourcing current and sinking current
11/01/2005US6959777 High voltage energy regulated conversion circuit
10/2005
10/29/2005CA2465755A1 Monitoring apparatus with satellite data communications
10/27/2005WO2005101633A2 Methods and devices for low noise current source with dynamic power distribution
10/27/2005US20050240814 Power supply control system and storage device
10/27/2005US20050237290 Power circuit for display driver, display device, and camera
10/27/2005US20050237103 Area efficient charge pump
10/27/2005US20050237044 Protection circuit for a switched mode power supply
10/27/2005US20050237043 Power circuit
10/27/2005US20050237042 Switching power supply circuit and semiconductor device integrating the same
10/27/2005US20050237041 Quasi average current mode control scheme for switching power converter
10/27/2005US20050237040 Switch controller for a power control system and method therefor
10/27/2005US20050237039 Semiconductior device and memory card using same
10/27/2005US20050237038 Static electric power converter for modulating electric power exchanged between at least a voltage source and a current source
10/27/2005US20050237037 Switching power supply controller system and method
10/27/2005US20050237036 Standby loss prevention module, transformer system including same, and methods relating thereto
10/27/2005US20050237035 Control system for a power supply
10/27/2005DE102004017146A1 Schaltwandler mit wenigstens zwei Wandlerstufen Switching Converters with at least two converter stages
10/27/2005DE102004015621A1 Schaltstromrichter Switching power converters
10/26/2005EP1589644A1 Protection circuit for a switched mode power supply
10/26/2005EP1588225A1 Power management system
10/26/2005EP0972134B1 Device for regulating the flow of electricity through a consumer
10/26/2005CN1687857A Low harmonic current power regulating method and apparatus
10/25/2005USRE38846 Multi-phase converter with balanced currents
10/25/2005US6958642 Ground difference compensating system
10/25/2005US6958597 Voltage generating apparatus with a fine-tune current module
10/25/2005US6958593 Power supply apparatus
10/25/2005US6958592 Adaptive delay control circuit for switched mode power supply
10/25/2005US6958581 High-intensity discharge lamp operating device and method for controlling the high-intensity discharge lamp
10/20/2005WO2005039239A3 Ballast protecting device
10/20/2005WO2005020286A3 Active oring controller for redundant power systems
10/20/2005US20050234599 Electric power control apparatus, power generation system and power grid system
10/20/2005US20050231870 Power saving control method and device in electronic device, and power saving electronic device
10/20/2005US20050231411 Switched capacitor integrator system
10/20/2005US20050231272 Voltage reference generator
10/20/2005US20050231271 Internal supply voltage generator for delay locked loop circuit
10/20/2005US20050231270 Low-voltage bandgap voltage reference circuit
10/20/2005US20050231269 Device for controlling the operation of internal voltage generator
10/20/2005US20050231256 System and method for startup bootstrap for internal regulators
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