US PATENT SUBCLASS 342 / 190
.~ With recording

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

175  DF  WITH PARTICULAR CIRCUIT {13}
190.~ With recording {1}
191  DF  .~.~> Mapping

DEFINITION

Classification: 342/190

With recording:

(under subclass 175) Subject matter including circuit means for making and storing a copy of the returned radar signal.