US PATENT SUBCLASS 455 / 259
.~.~.~.~.~ Reference oscillator or source

Current as of: June, 1999
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455 /   HD   TELECOMMUNICATIONS

130  DF  RECEIVER OR ANALOG MODULATED SIGNAL FREQUENCY CONVERTER {24}
230  DF  .~ Local control of receiver operation {7}
255  DF  .~.~ Local oscillator frequency control {2}
257  DF  .~.~.~ Automatic {2}
258  DF  .~.~.~.~ Utilizing particular local oscillator control {4}
259.~.~.~.~.~ Reference oscillator or source {1}
260  DF  .~.~.~.~.~.~> Phase lock loop or frequency synthesizer

DEFINITION

Classification: 455/259

Reference oscillator or source:

(under subclass 258) Subject matter wherein the control means comprises a reference oscillator or source.

SEE OR SEARCH CLASS

331, Oscillators, particularly

18+, for automatic frequency stabilized oscillators with reference oscillator or source.