US PATENT SUBCLASS 342 / 378
.~ Utilizing correlation techniques

Current as of: June, 1999
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342 /   HD   COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION)

350  DF  DIRECTIVE {10}
378.~ Utilizing correlation techniques {3}
379  DF  .~.~> Side lobe elimination {3}
383  DF  .~.~> Sum of each antenna signal
384  DF  .~.~> Difference of each antenna channel signal

DEFINITION

Classification: 342/378

Utilizing correlation techniques:

(under subclass 350) Subject matter wherein the directive communication includes circuitry which provides a relationship between the signals from two or more antennas.

(1) Note. Generally, this subclass does not provide for correlation between transmitted and received signals of the radar or sonar type.

SEE OR SEARCH THIS CLASS, SUBCLASS:

1, through 205+, for radar devices using correlation techniques.

SEE OR SEARCH CLASS

367, Communications, Electrical: Acoustic Wave System And Devices, appropriate subclass for sonar devices using correlation techniques.

708, Electrical Computers: Arithmetic Processing and Calculating,

422+, for correlation techniques involving the use of an electrical digital computer.