US PATENT SUBCLASS 455 / 63
.~ Distortion, noise, or other interference prevention, reduction, or compensation
Current as of:
June, 1999
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455 /
HD
TELECOMMUNICATIONS
39
DF
TRANSMITTER AND RECEIVER AT SEPARATE STATIONS
{14}
63
.~ Distortion, noise, or other interference prevention, reduction, or compensation {2}
64
DF
.~.~
> Plasma source or barrier
65
DF
.~.~
> Anti-multipath
DEFINITION
Classification: 455/63
Distortion, noise, or other interference prevention, reduction, or compensation:
(under subclass 39) Subject matter with provision for reduction or elimination of distortion, noise, interference, etc.
SEE OR SEARCH THIS CLASS, SUBCLASS:
8, for failure compensation in a repeater.
10, for fading compensation in repeaters.
78+, for transceivers with transmitter receiver interaction prevention.
119, for transmitters with carrier frequency stabilization.
134, and 135, for plural receivers with output selecting according to signal strength or quality.
222+, for noise controlled squelch in a receiver. 234.1+, for automatic gain or volume control in a receiver.
255+, for local oscillator frequency control in a receiver.
267, for tone control in a receiver.
268, for fidelity control in a receiver.
278.1+, for receiver plural wave collector noise or interference elimination.
283+, for receiver wave collector interference or noise elimination.
296+, for receiver noise or interference elimination.
501+, for similar subject matter in plural transmitter/receiver systems.