221730 ⎘
Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices having more than two PN junctions; having more than three electrodes; having more than one electrode connected to the same conductivity region
Sub-classes:NO-ARC ON-LOAD TAP CHANGER, SWITCHING CONTROL METHOD AND ELECTRICAL EQUIPMENT
#2Start-up protection using inrush current control
#3Start-up protection using inrush current control
#4Addressable ignition stage for enabling a detonator/ignitor
#5Wireless Voltage link
#6Rapid turn-off circuit in static transfer switch
#7Power semiconductor switch clamping circuit
#8Addressable Ignition Stage for Enabling a Detonator/Ignitor
#9System and method for monitoring the polarization and conduction of a thyristor
#10Neuron circuit using p-n-p-n diode without external bias voltages
#11CIRCUIT STRUCTURE FOR SWITCHING PLURAL POWER SUPPLY UNITS BETWEEN SERIES-CONNECTED AND PARALLEL-CONNECTED CONFIGURATIONS
#12High reliability AC load switching circuit
#13Control of an anode-gate thyristor
#14Line control circuit configuration
#15Thyristor assembly radiator for DC converter valve
#16Power line communication smart relay
#17Reactive power compensation system and method thereof
#18Circuit and device for power switching
#19Semiconductor circuit interruption devices using current filtering to improve device coordination
#20Device and method for controlling insulation switch
#21Auxiliary commutated silicon-controlled rectifier circuit methods and systems
#22High-voltage, high-current, solid-state closing switch
#23Thyristor, a method of triggering a thyristor, and thyristor circuits
#24Circuit arrangement for protection against electrostatic discharges and a method for operating same
#25Integrated thermistor and metallic element device and method
#26Electronic power-saving device
#27THYRISTOR GATE PULSES IN STATIC VAR COMPENSATOR
#28Integrated circuit with a radiation-sensitive thyristor structure
#29Electronic power-saving device
#30Circuit arrangement for protection from electrostatic discharges and method for operating same
#31Semiconductor integrated circuit device and radio frequency module
#32Low current thyristor-based dimming
#33Thyristor Starting Circuit
#34Safety device for a semiconductor switch
#35Switching circuit
#36Excessive temperature detecting system of electric motor controller
#37INTEGRATED THERMISTOR AND METALLIC ELEMENT DEVICE AND METHOD
#38SEMICONDUCTOR INTEGRATED CIRCUIT DEVICE AND RADIO FREQUENCY MODULE
#39Apparatus for driving a load
#40Thyristor power converter filter for excitation applications
#41Half bridge inverter with dual N-MOS
#42Integrated circuit that emits light, optical head that incorporates the integrated circuit, and image forming apparatus that uses the optical head
#43Quasi-resonant thyristor current interrupter
#44Delta connected resonant turn off circuits
#45System and methods for using thyristors to conduct surge currents away from critical infrastructure
#46Power switch circuit
#47Low conducted emission solid state switch