(under subclass 61) Subject matter wherein the amplifying device resistive means is of a type whose resistance value varies in response to a magnetic field or a change in magnetic field, and includes means for applying such magnetic field to the resistive means.
SEE OR SEARCH THIS CLASS, SUBCLASS:
6, for amplifiers having Hall Effect type amplifying devices.
60, for amplifiers having magnetostrictive means.
63, for amplifiers having an amplifying device with magnetic means, generally.
SEE OR SEARCH CLASS
327, Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems, 511, for miscellaneous circuits using the Hall effect.
338, Electrical Resistors,
32, for electrical resistors whose resistance value changes in response to a magnetic field or a change in magnetic field.
