US PATENT SUBCLASS 455 / 512
.~.~.~.~ Based on priority

Current as of: June, 1999
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455 /   HD   TELECOMMUNICATIONS

39  DF  TRANSMITTER AND RECEIVER AT SEPARATE STATIONS {14}
500  DF  .~ Plural transmitters or receivers (i.e., more than two stations) {4}
507  DF  .~.~ Central station (e.g., master, etc.) {6}
509  DF  .~.~.~ Channel allocation {5}
512.~.~.~.~ Based on priority

DEFINITION

Classification: 455/512

Based on priority:

(under subclass 509) Subject matter wherein an order of importance is assigned to certain communication channels requested from different subscriber stations attempting to gain access to the system at the same time.