US PATENT SUBCLASS 379 / 407
.~.~ Disable or inhibit

Current as of: June, 1999
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379 /   HD   TELEPHONIC COMMUNICATIONS

399  DF  SUBSCRIBER LINE OR TRANSMISSION LINE INTERFACE {5}
406  DF  .~ Echo suppression, antisinging, or reverse path blocking {4}
407.~.~ Disable or inhibit

DEFINITION

Classification: 379/407

Disable or inhibit:

(under subclass 406) Subject matter wherein the undesirable signal prevention device includes signal blocking.