US PATENT SUBCLASS 455 / 254-- .~.~ Sensitivity control

US PATENT SUBCLASS 455 / 254
.~.~ Sensitivity control

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}
254		.~.~ Sensitivity control

DEFINITION

Classification: 455/254

Sensitivity control:

(under subclass 230) Subject matter including significant means whereby the input signal to a receiver system is controlled in such a manner as to produce a predetermined specified output signal having a specified signal to noise ratio.

SEE OR SEARCH THIS CLASS, SUBCLASS:

232.1, for gain, level, or volume control systems.

SEE OR SEARCH CLASS

343, Communications: Radio Wave Antennas,

5+, for radar systems including receivers which may include sensitivity control; and subclasses 100+ for directive systems which may include sensitivity control.