US PATENT SUBCLASS 342 / 83
.~.~ Signal phase or frequency other than pulse repetition frequency (PRF)

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


342 /   HD   COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION)

73  DF  RETURN SIGNAL CONTROLS RADAR SYSTEM {3}
82  DF  .~ Transmitter {2}
83.~.~ Signal phase or frequency other than pulse repetition frequency (PRF) {2}
84  DF  .~.~.~> Function of doppler frequency
85  DF  .~.~.~> Function of distance {2}

DEFINITION

Classification: 342/83

Signal phase or frequency other than pulse repetition frequency (PRF):

(under subclass 82) Subject matter including control of the radar signal phase or frequency other than pulse repetition frequency.

SEE OR SEARCH THIS CLASS, SUBCLASS:

81, for return signal control of antenna beam direction by frequency control.