US PATENT SUBCLASS 379 / 131
.~.~.~ Time controlled


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

111  DF  WITH USAGE MEASUREMENT (E.G., CALL OR TRAFFIC REGISTER) {3}
114  DF  .~ Call charge metering or monitoring {5}
130  DF  .~.~ At subscriber station {1}
131.~.~.~ Time controlled {1}
132  DF  .~.~.~.~> Paystation (e.g., escrow control)


DEFINITION

Classification: 379/131

Time controlled:

(under subclass 130) Subject matter which modifies the call charge determination in accordance with time or elapsed duration.