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)
06/1997
06/10/1997US5638265 Low line harmonic AC to DC power supply
06/10/1997US5638264 Parallelized power supply system providing uninterrupted operation
06/10/1997US5638023 Charge pump circuit
06/10/1997US5637992 Voltage regulator with load pole stabilization
06/10/1997US5637991 Power supply including a detection and switch system for uni-plane and split-plane devices
06/10/1997US5637989 Energy savings apparatus
06/05/1997WO1997020375A2 Apparatus and method for interline power flow control
06/05/1997WO1997020262A1 Dual source for constant and ptat current
06/04/1997EP0776540A1 Hybrid filter for reducing distortion in a power system
06/04/1997EP0708939B1 Optimization circuit
06/04/1997CN2255626Y High-precision full-isolation ultra-mini voltage-stabilizing mould of AC convertable to DC
06/03/1997US5635826 Input waveform follow-up AC power source system
06/03/1997US5635824 Power supplying circuit
06/03/1997US5635822 Safeguard for integrated power stages employing multiple bond-wires to a current lead of the package
06/03/1997CA2127834C Control system for power converter
05/1997
05/28/1997CN2255060Y High voltage dc voltage-regulated power supply
05/28/1997CN2255059Y AC voltage stabilizing and regulating device
05/27/1997US5633789 Failure-free power source device
05/27/1997US5633580 Direct load current sensing for predicted regulator tap position
05/22/1997DE19543226A1 Inverter current source
05/21/1997EP0746808A4 Switchmode ac power controller
05/21/1997CN2254564Y Ultra-wide serial voltage-stabilized source apparatus
05/21/1997CN1150506A Switch with controlled rise and fall characteristics
05/21/1997CN1150486A High precision voltage regulation circuit for programming multievel flash memory
05/21/1997CN1150351A Off-line phase control low-power dissipation power supply
05/20/1997US5631598 Frequency compensation for a low drop-out regulator
05/20/1997US5631549 Linear regulator power supply with an overcurrent protection device
05/20/1997US5631548 Power off-loading circuit and method for dissipating power
05/20/1997US5631546 Power supply for generating at least two regulated interdependent supply voltages
05/20/1997US5631504 AC/DC power supply
05/15/1997WO1997017795A1 Energy monitoring and control system using reverse transmission on ac line
05/14/1997CN1149784A Power supply control and its method
05/13/1997US5629891 Writable analog reference voltage storage device
05/13/1997US5629642 Power supply monitor
05/13/1997US5629614 Voltage-to-current converter
05/13/1997US5629610 Dual threshold current mode digital PWM controller
05/13/1997US5629609 Method and apparatus for improving the drop-out voltage in a low drop out voltage regulator
05/13/1997US5629608 Power regulation system for controlling voltage excursions
05/07/1997EP0772298A1 Delay circuit and method for generating a delay
05/07/1997EP0772182A2 Display-driving voltage generating apparatus
05/07/1997EP0771518A1 Electrical power control system
05/07/1997CN2253887Y Outdoor on pole type power factor automatic compensation capacitor cabinet
05/07/1997CN2253840Y Shunt type ac compensation voltage stabilizer
05/06/1997USH1644 Method and apparatus for providing continuous cathodic protection by solar power
05/06/1997US5627494 High side current sense amplifier
05/06/1997US5627493 Semiconductor device having supply voltage deboosting circuit
05/06/1997US5627460 DC/DC converter having a bootstrapped high side driver
05/06/1997US5627459 DC/DC converter
05/06/1997US5627457 Power supply device, liquid crystal display device, and method of supplying power
05/06/1997US5627454 Method for stabilizing a power supply network against reactive load fluctuations, and a power factor compensation device
05/02/1997EP0770318A1 Low voltage power control
04/1997
04/30/1997CN1148912A Device for converting a resistance value into a control signal which depends on the resistance value, and electrical apparatus comprising such device
04/29/1997US5625278 Ultra-low drop-out monolithic voltage regulator
04/24/1997WO1997008823A3 Circuit arrangement provided with a voltage - current converter
04/24/1997DE19517373C2 Spannungserzeugungs-Schaltung zum Testen integrierter Schaltungen Voltage generating circuit for testing integrated circuits
04/22/1997US5623198 Apparatus and method for providing a programmable DC voltage
04/17/1997DE19641857A1 Safety fuse circuit for semiconductor integrated circuit in VHS video recorder
04/17/1997DE19537920A1 Integrated circuit with diode characteristics e.g. for contactless identification system
04/16/1997EP0768593A2 Reference current generating circuit
04/16/1997EP0625273A4 Load programmable output buffer.
04/16/1997CN1147726A Regulating method for stepping switch
04/15/1997US5621634 Power converter
04/15/1997US5621631 AC to DC boost switching power converters
04/15/1997US5621601 Over-current protection apparatus for transistor
04/15/1997US5621439 Voltage compensation circuit and display apparatus
04/15/1997US5621306 Temperature compensation voltage-generating circuit
04/15/1997US5621305 Overload management system
04/10/1997WO1997013308A1 Circuit for rationalizing polarity of power source
04/10/1997WO1997013187A1 Analogue function network for selecting a characteristic curve
04/10/1997DE19635289A1 Current supply control circuit for mobile radio/communications system
04/09/1997CN2251836Y Electronic voltage stabilizer for premanent-magnet generator
04/09/1997CN2251739Y Digital controlled compensating ac voltage stabilizer
04/09/1997CN1147165A Low current voltage regulator circuit
04/08/1997US5619164 Pseudo ground line voltage regulator
04/08/1997US5619126 Circuit arrangement for automatically decreasing the load current
04/08/1997US5619123 Power supply circuit for non-threshold logic circuit
04/08/1997US5619121 Load voltage based tap changer monitoring system
04/08/1997US5619120 In an electrical power control and distribution system
04/03/1997DE19536644A1 Analoges Funktionsnetzwerk zur Vorgabe einer Kennlinie The same function network for presetting a characteristic
04/02/1997EP0766374A2 DC power supply device
04/02/1997EP0766164A2 Voltage regulator with load pole stabilization
04/02/1997EP0766162A2 Circuit for improved load transient response in power supplies
04/02/1997EP0375687B2 Thyristor on-load change-over switch
04/02/1997CN2251158Y Combined compensated type ac voltage stabilizer
04/02/1997CN1146658A Controller for inverter and generating system using same
04/01/1997US5617447 Method of stabilizing a power supply network against reactive load fluctuations, and a reactive power compensation device
04/01/1997US5617306 One cycle control of bipolar switching power amplifiers
04/01/1997US5617016 Buck converter with operating mode automatically determined by the load level
04/01/1997US5617015 Multiple output regulator with time sequencing
04/01/1997US5617014 Multifunction voltage regulator
04/01/1997US5617012 Power converter protecting apparatus for electric power system
04/01/1997CA2063250C Power supply and oscillator for a computer system providing automatic selection of supply voltage and frequency
03/1997
03/26/1997EP0765022A2 Uninterruptive switching regulator
03/26/1997EP0764297A1 High-efficiency power supply
03/26/1997EP0764296A1 Load tap changer
03/26/1997CN2250536Y Fully automatic three phase ac value-added device
03/25/1997CA2102466C High-frequency power unit for neon tubes
03/19/1997EP0763878A2 Off-line phase control low-power power supply
03/19/1997EP0763790A2 Level shifter capable of stably producing a level shifted voltage
03/19/1997EP0763224A1 Voltage regulator