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)
10/2013
10/29/2013	US8569970 LED with integrated constant current driver
10/24/2013	WO2013159118A1 Current limiting sytems and methods
10/24/2013	WO2013158714A1 Apparatuses and system and method for auto-configuration of a power control system
10/24/2013	WO2013157915A1 Voltage level shift with charge pump assist
10/24/2013	US20130279721 Biasing circuit for a microelectromechanical acoustic transducer and related biasing method
10/24/2013	US20130278328 Power transistor partial current sensing for high precision applications
10/24/2013	US20130278239 Precharge circuits and methods for dc-dc boost converters
10/24/2013	US20130278237 Method and apparatus to control a power factor correction circuit
10/24/2013	US20130278236 Current limiting circuit
10/24/2013	US20130278235 Systems and methods for dynamic ac line voltage regulation with energy saving tracking
10/24/2013	US20130278234 Apparatuses and system and method for auto-configuration of a power control system
10/24/2013	US20130278233 Ldo (low drop out) having phase margin compensation means and phase margin compensation method using the ldo
10/24/2013	US20130278232 Digitally Controlled Buck-Boost Regulator
10/24/2013	US20130278231 Duty Cycle Generator and Power Converter
10/24/2013	US20130278069 Power supply system
10/24/2013	US20130278059 Semiconductor integrated circuit device, power supply device, and method of controlling power supply device
10/24/2013	DE102012103593A1 Driving apparatus for driving entrance gate used in hospital, has control device provided to stop or adjust drive motor on reverse rotation direction when difference between actual and target phase position exceeds predetermined limit
10/24/2013	DE102012103456A1 Vorrichtung zum Ausgeben eines Gleichspannungssignals mit nichtlinearer Strom-Spannungskennlinie Means for outputting a DC voltage signal having non-linear current-voltage characteristic
10/24/2013	DE102012103048A1 Regeltransformator Regulating transformer
10/24/2013	DE102012007899A1 Voltage regulator has control circuit which has input for applying command variable and output for outputting output voltage, where switching device is connected to input of control circuit and to voltage output of reference voltage source
10/24/2013	DE102008053943B4 Stromversorgung mit einer Maximalleistungspunkt-Verfolgungsfunktion Power supply with a maximum power point tracking function
10/23/2013	EP2654188A1 Controller for voltage regulator
10/23/2013	EP2653879A1 Device for the simultaneous output of a direct voltage signal with a non-linear power-voltage curve
10/23/2013	CN203250233U Direct current voltage reduction circuit and electronic products
10/23/2013	CN203250232U Tapped self-coupling type alternating current stabilizer based on segmented variable-cross-section winding
10/23/2013	CN103368540A Automatic-recovery-capable short circuit protection circuit for low dropout linear regulator
10/23/2013	CN103368068A Modulation current process corner digital compensating circuit used for integrating laser diode driver
10/23/2013	CN103365333A MPPT (maximum power point tracking) scanning method for photovoltaic arrays
10/23/2013	CN103365332A Overcurrent protection circuit and power supply device
10/23/2013	CN103365331A Second order compensation reference voltage generating circuit
10/23/2013	CN103365330A Reference voltage/current generation device
10/23/2013	CN103365329A Generation circuit of zero-temperature-coefficient currents
10/23/2013	CN103365328A 电压缓冲器 Voltage buffer
10/23/2013	CN103365327A Circuit capable of reducing input bias current to picoampere level
10/23/2013	CN103365326A Average voltage generation circuit and method for providing reference voltage for pixel array
10/23/2013	CN103365325A Audio device switching control apparatus and methods
10/23/2013	CN102520754B Dynamic voltage scaling system-oriented on-chip monitoring circuit
10/23/2013	CN102455727B Current control circuit with rang of 100pA-1muA
10/23/2013	CN102385406B Capacitor-less low dropout regulator structure
10/23/2013	CN102323841B Current hysteresis control circuit, current hysteresis control method and direct current-direct current converter applying both of same
10/23/2013	CN102156504B Solar-cell panel maximum power tracking device, tracking method and solar power supply device using same
10/23/2013	CN101978601B Method and device for operating circuit arrangement
10/23/2013	CN101821693B Compressor having power factor correction system and method
10/22/2013	US8564992 Power factor correction device and method with off time prediction for critical mode operation
10/22/2013	US8564991 Enhanced one cycle control for power factor correction
10/22/2013	US8564988 DC-DC converter
10/22/2013	US8564676 Semiconductor device with anti-shake control function
10/22/2013	US8564361 Semiconductor device and method of controlling the same
10/22/2013	US8564360 Pad controlling apparatus
10/22/2013	US8564273 Analog current limit adjustment for linear and switching regulators
10/22/2013	US8564272 Integrated soft start circuits
10/22/2013	US8564271 Method and means to implement a current follower operation of a buck mode, switching power supply
10/22/2013	US8564270 On-time compensation for switching power converters
10/22/2013	US8564269 Systems and methods for scaling a signal in a power factor correction circuit
10/22/2013	US8564268 Power supply controller having analog to digital converter
10/22/2013	US8564267 Multi-mode parameter analyzer for power supplies
10/22/2013	US8564266 DC-to-DC converter with independent compensation logic
10/22/2013	US8564265 Driving circuit
10/22/2013	US8564264 Current control system and method for controlling a current
10/22/2013	US8564263 Voltage regulator
10/22/2013	US8564261 Power converting apparatus, grid interconnection apparatus and grid interconnection system
10/22/2013	US8564260 Dual-stage power conversion
10/22/2013	US8564259 Clock phase shifter for use with buck-boost converter
10/22/2013	US8564258 Semiconductor integrated circuit and method of controlling MEMS-type variable capacitance capacitor
10/22/2013	US8564257 Power factor correction circuit with over-voltage detection and driving method thereof
10/22/2013	US8564256 Circuit devices and methods of providing a regulated power supply
10/22/2013	US8564240 Mitigation of harmonic currents and conservation of power in non-linear load systems
10/22/2013	US8564223 Light programmable apparatus with light programmable lamp, setting device, and main structure
10/22/2013	US8564222 Lighting device controlling circuit module
10/22/2013	US8564221 Driving circuit system for gas discharge lamp and the control method thereof
10/17/2013	WO2013154585A1 Frequency control system with dual-input bias generator to separately receive management and operational controls
10/17/2013	WO2013152910A1 Control transformer
10/17/2013	US20130271107 Voltage regulator with by-pass capability for test purposes
10/17/2013	US20130271101 Power conversion system employing a tri-state interface circuit and method of operation thereof
10/17/2013	US20130271100 High power supply rejection linear low-dropout regulator for a wide range of capacitance loads
10/17/2013	US20130271099 Controller for voltage regulator
10/17/2013	US20130271098 Method for enhancing conversion efficiency at low load of a step-down dc-dc switching converter and related circuit
10/17/2013	US20130271097 Controller and converting controller with multi-function pin
10/17/2013	US20130271095 Linear Voltage Regulator
10/17/2013	US20130271094 Voltage Regulator Circuit
10/17/2013	US20130271055 Paralleling of load commutated inverters
10/17/2013	DE102013206284A1 Halbleitervorrichtung Semiconductor device
10/17/2013	DE102013205365A1 Linearer spannungsregler Linear voltage regulators
10/17/2013	DE102013102709A1 Verfahren zur Überwachung eines Stufenschalters A method of monitoring a tap changer
10/16/2013	EP2650747A1 Power-gated electronic device and method of operating the same
10/16/2013	EP2649716A1 Power supply control system and device
10/16/2013	CN203243237U Power supply device of electrophoresis system
10/16/2013	CN203241850U Undervoltage locking circuit
10/16/2013	CN203241849U AC (Alternating Current) constant-current source circuit
10/16/2013	CN203241848U Tapped type self-coupling alternating-current voltage regulator based on segmented variable cross-section winding
10/16/2013	CN203241847U Voltage control system of solar power generation system
10/16/2013	CN103353782A Low-power-voltage band gap reference circuit and method
10/16/2013	CN103353781A Intelligent voltage-stabilizing electromagnetic eddy current brake driller switch controller
10/16/2013	CN103353780A Data reproduction circuit and data transmission device
10/16/2013	CN102360235B Power supply
10/15/2013	US8560869 Dynamic power reduction
10/15/2013	US8559996 Power control subsystem with a plurality of current limit values
10/15/2013	US8559260 Regulator circuit and semiconductor memory device including the same
10/15/2013	US8559199 Power factor correction circuit for three-phase power supply
10/15/2013	US8558577 Systems and methods for bidirectional signal separation

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