US PATENT SUBCLASS 342 / 454
.~.~ Traffic

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}
454.~.~ Traffic {2}
455  DF  .~.~.~> Having collision avoidance
456  DF  .~.~.~> Having traffic control

DEFINITION

Classification: 342/454

Traffic:

(under subclass 450) Subject matter wherein the positions of a plurality of vehicles or objects are continuously monitored either with respect to each other or to a common reference point of both.

SEE OR SEARCH CLASS

340, Communications: Electrical,

22+, for traffic and vehicle systems having position indicators.

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

1+, for computerized vehicle collision systems.