75320513
Jul 7, 1997
Non-reciprocal device used to discriminate and/or divert oppositely directed signals electromagnetic energy transmitted through a network, namely, isolators, hybrids, circulators, radio frequency ferrite devices, intermodulation limiting/controlling devices, couplers and combiners; filters, multiplexers, power dividers, amplifiers, receivers and transmitters, coaxial resonators
Electrical and Scientific Apparatus