US PATENT SUBCLASS 455 / 169.1
.~.~.~ With particular variable voltage or current tuning


Current as of: June, 1999
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455 /   HD   TELECOMMUNICATIONS

130  DF  RECEIVER OR ANALOG MODULATED SIGNAL FREQUENCY CONVERTER {24}
150.1  DF  .~ Signal selection based on frequency (e.g., tuning) {13}
161.1  DF  .~.~ Frequency scanning {9}
169.1.~.~.~ With particular variable voltage or current tuning {1}
169.2  DF  .~.~.~.~> With varactor diode


DEFINITION

Classification: 455/169.1

With particular variable voltage or current tuning:

(under subclass 161.1) Subject matter including particular means for providing a changeable voltage or current to a receiver oscillator for scanning.

(1) Note. Some significant detail of the voltage or current supply of receiver oscillator scanning must be claimed for classification in this subclass.

SEE OR SEARCH THIS CLASS, SUBCLASS:

195.1, for signal selection systems in general using variable voltage or current tuning.

SEE OR SEARCH CLASS

334, Tuners,

11+, for particular variable voltage or current responsive tuners.