221744 ⎘
Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used using opto-electronic devices, i.e. light-emitting and photoelectric devices electrically- or optically-coupled controlling bipolar transistors
Sub-classes:Induction memory cell
#2Safe switching device
#3Semiconductor module and power conversion device
#4Construction and Optical Control of Bipolar Junction Transistors and Thyristors
#5Over-current and/or over-voltage protection circuit
#6Electronic device for acquiring specific information of respective switching elements
#7Terminal circuit in inverter
#8Performance and isolation improvements for digitally controlled AC attenuation and protection circuits
#9Low power isolated output circuit
#10Discharge device and discharge method for the active discharge of a capacitor for use in the electric-power system of an electric-drive vehicle
#11High power, high speed solid state relay
#12Switching device and switching arrangements for switching at high operating voltage
#13Bidirectional switch and method for driving the same
#14Optical coupler with first and second division connector portion
#15Semiconductor photosensor device with sensitivity region for wide dynamic range and information apparatus
#16Semiconductor photosensor device and information apparatus with sensitivity region for wide dynamic range
#17Optically controlled electrical switching device based on wide bandgap semiconductors
#18Relay adaptive to alternative current and direct current input signals