US PATENT SUBCLASS 370 / 449
.~ Polling

Current as of: June, 1999
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370 /   HD   MULTIPLEX COMMUNICATIONS

431  DF  CHANNEL ASSIGNMENT TECHNIQUES {12}
449.~ Polling {1}
450  DF  .~.~> Passing a signal identifying the idle or busy state of a channel (e.g., token passing) {2}

DEFINITION

Classification: 370/449

Polling:

(under subclass 431) Subject matter in which individual terminals are queried to determine if access to the transmission medium is needed for the transfer of information.

SEE OR SEARCH THIS CLASS, SUBCLASS:

346, for polling in wireless communications.