Apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity, namely, electric wires and cables for electricity mains, semiconductors, printed circuits, electric conductors, optical semiconductor amplifiers, electrical transformers, electrical distribution boxes, switch boxes, circuit testers, junction boxes, electric converters, electric switches, electricity limiters, electrical plugs and sockets, electric contacts plugs, current rec...

RADIO FREQUENCY CONVERTERS COMPRISING AMPLIFIERS, TUNERS, AND ASSOCIATED ELECTRIC CIRCUITS