Data verifier

Details Data verifier Data verifier

1977-08-05

1979-05-22

Stewart, David L.

H04J 314

Patent

active

041561104

ABSTRACT:
A data verifier for verifying the operation of a multiplexing system. The data verifier generates test information as an input to the multiplexing system. The multiplexing system processes the test information in the same manner as normal data. The data verifier then detects demultiplexed output information and compares it with reference information to determine if the multiplex system has functioned properly. The multiplex system is typically a metering system for metering the use of trunk lines of a telephone switching exchange.

REFERENCES:
patent: 3062918 (1962-11-01), Williford
patent: 3499994 (1970-03-01), Lord
patent: 3683115 (1972-08-01), Schellenberg
patent: 3745561 (1973-07-01), VAN Dijk
patent: 3787628 (1974-01-01), VAN Dijk
patent: 3892923 (1975-07-01), Ranner
patent: 3959594 (1976-05-01), Srivastava
patent: 4022979 (1977-05-01), Smith

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