US PATENT SUBCLASS 342 / 370
.~.~ Retrodirective

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)

350  DF  DIRECTIVE {10}
368  DF  .~ Including a steerable array {8}
370.~.~ Retrodirective

DEFINITION

Classification: 342/370

Retrodirective:

(under subclass 368) Subject matter wherein a beam pattern is steered in the exact reverse direction of the direction of a received wave.