(under the class definition) Subject matter wherein the amplifying device includes a magnetic means to control the power supply energy or is involved in the structure of the amplifying device in some other manner and which is not provided for above.
SEE OR SEARCH THIS CLASS, SUBCLASS:
6, for amplifiers including Hall effect type amplifying devices.
41, for amplifiers including gaseous or vapor type amplifying devices which may have magnetic means for deflection or other purposes.
44+, for amplifiers having electron beam tube amplifying devices which may have magnetic means for beam deflection, focusing or other purposes.
47+, for amplifiers having magnetically influenced discharge devices including magnetrons. 60, for amplifiers having magnetostrictive means.
62, for amplifiers having magnetoresistive type amplifying devices.
