221735 ⎘
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 for dc voltages or currents
Sub-classes:SEMICONDUCTOR RELAY DEVICE
#2FAULT CURRENT BYPASS BASED SOLID STATE CIRCUIT BREAKERS AND ACTIVE CLAMPING SNUBBERS FOR DC CIRCUIT BREAKERS
#3Semiconductor relay device
#4Semiconductor relay device
#5Apparatus for switching a direct current in a pole of a DC voltage network
#6IMPROVEMENTS IN OR RELATING TO GATE DRIVERS FOR GAS TUBES
#7Defibrillator comprising ladder bridge circuit
#8Switch device, control method of the same, and control method of transfer switch system using the same
#9Rapid cutoff device and operation method for SCR AC switches
#10Rapid cutoff device and operation method for SCR DC switches
#11Gate drive unit and method for controlling a gate drive unit
#12Circuit interruption device
#13METHODS AND SYSTEMS FOR IMPLEMENTING AN SCR TOPOLOGY IN A HIGH VOLTAGE SWITCHING CIRCUIT
#14Electronic circuit comprising thin-film transistors
#15Alternating current overload protection apparatus and method
#16Semiconductor device having function of thyristor
#17High-voltage pulse generating circuit
#18Loaded triac output system