.~> Phonon type (e.g., ultrasonic wave propagating device)
DEFINITION
Classification: 330/5
(under the class definition) Subject matter wherein the amplifying device comprises a solid-state element wave propagating means having associated means, such as a distributed parameter network, for coupling a signal wave to be amplified to the wave propagating means.
SEE OR SEARCH THIS CLASS, SUBCLASS:
4+, for amplifiers having amplifying devices of the maser type including those with solid element wave propagating means.
4.6, for travelling wave type parametric amplifiers which may utilize solid-state wave propagating means.
43, for traveling wave tube amplifiers.
45, for amplifiers having amplifier devices of the electron beam type which include an electrode coupled to a cavity resonator.
53+, for amplifiers with distributed parameter type coupling. 250+, for amplifiers having amplifying devices of the semiconductive type.
SEE OR SEARCH CLASS
327, Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems, appropriate subclasses for miscellaneous circuits which may include subject matter similar to the amplifiers classified in this subclass.
331, Oscillators,
94.1, for oscillators of the laser type which may include solid element wave propagating means.
332, Modulators, appropriate subclasses for modulators of the laser type which may include solid element wave propagating means.
333, Wave Transmission Lines and Networks, appropriate subclasses, particularly
24, for distributed parameter transmission coupling means including coupling means involving solid element wave propagating means.
372, Coherent Light Generators, appropriate subclasses for laser type oscillators.
