(under the class definition) Subject matter wherein the frequency determining means or resonator of the oscillator is of the distributed network type, the capacitance, inductance and resistance of which cannot be isolated into separate lumped capacitors, inductors or resistors and wherein the time factor of propagation of wave energy in the network is appreciable. Examples of such a network are an open-circuited or short-circuited wave transmission line a quarter wave length long at the desired resonant frequency. Included are transmission lines wherein the principal wave may be of TEM mode (e.g., parallel wire and coaxial lines) or E or H mode having longitudinal as well as transverse wave components (e.g., hollow conductors, dielectric rods, single wire surface-wave mode wave guides).
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5, for magnetron type oscillators having automatic frequency control and which utilize distributed parameter resonators.
6+, for beam tube type (e.g., Klystron) oscillators having automatic frequency control and which utilize cavity resonators.
9, for microwave oscillators having automatic frequency stabilization and which utilize distributed parameter resonators as discriminator means in the A.F.S. loop.
79+, for beam tube oscillators utilizing distributed parameter resonators.
86+, for oscillators having a magnetically controlled active element (e.g., magnetron) and which utilize distributed parameter resonators.
93, Retarding field type oscillators with distributed parameter resonators.
95, for oscillators wherein the frequency determining network is of the so-called "butterfly" type.
154+, for oscillators utilizing electromechanical resonators whose frequency may be determined by distributed physical parameters of mass, stiffness and mechanical friction.
167+, for LC oscillators in general wherein the parameters L and C are separate and distinct lumped elements.
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315, Electric Lamp and Discharge Devices: Systems,
4+, for cathode-ray tube circuits and wherein the cathode-ray tube includes distributed parameter resonator structure and subclasses 39+ for space discharge device load with distributed parameter type transmission line (e.g., wave guide, coaxial cable) which line may act as a resonator.
330, Amplifiers,
45, for a linear amplifier having an electron beam vacuum tube coupled to a cavity resonator; subclass 49 for a linear amplifier having a vacuum tube amplifying device which has distributed parameter characteristics which may involve a resonator; and subclass 56 for linear amplifiers involving wave guide, cavity, of concentric line resonator coupling, generally.
333, Wave Transmission Lines and Networks,
219+, for resonators of the distributed parameter type, per se. 334, Tuners,
41+, for tuners of the distributed parameter type.
