US PATENT SUBCLASS 342 / 451
.~.~ By computer

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}
450  DF  .~ Position indicating (e.g., triangulation) {11}
451.~.~ By computer

DEFINITION

Classification: 342/451

By computers:

(under subclass 450) Subject matter including the use of a device capable of accepting the signal information and applying prescribed computational processes to this form of the information for the determination of the position indication.

(1) Note. Subject matter classified in this subclass must include significant details of the structure of the directional device or apparatus.

SEE OR SEARCH CLASS

701, Data Processing: Vehicles, Navigation, and Relative Location,

301, for computerized collision avoidance equipment.