US PATENT SUBCLASS 714 / FOR 117
TRANSMISSION FACILITY TESTING (371/20.1)

Current as of: June, 1999
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714 /   HD   ERROR DETECTION/CORRECTION AND FAULT DETECTION/RECOVERY

FOR 117TRANSMISSION FACILITY TESTING (371/20.1) {4}
FOR 118  DF  .~> For channel having repeater (371/20.2)
FOR 119  DF  .~> By tone signal (371/20.3)
FOR 120  DF  .~> Test pattern with comparison (371/20.4) {1}
FOR 122  DF  .~> Loop or ring configuration (371/20.6)

DEFINITION

Classification: 714/FOR.117

TRANSMISSION FACILITY TESTING:

Foreign art collections including subject matter in which the diagnostic testing is performed upon a channel of a transmission medium with a device for supplying digital data thereto.