Patent
1973-04-25
1976-05-25
Stewart, David L.
H04M 324
Patent
active
039595935
ABSTRACT:
A traffic analysis system is disclosed which utilizes a scanner to provide the identity of the trunk group within which a call attempt has occurred. The trunk group identity information from the scanner is supplied to a multiplexer which makes available four, 8-bit words based on the trunk identity information from the scanner. A micro-processor is coupled to the multiplexer and upon the occurrence of a call attempt the micro-processor adds the four words from the multiplexer, the sum of these words yielding the address of the proper storage location in a memory unit for storing the call attempt indication.
REFERENCES:
patent: 3761618 (1973-09-01), Alston
patent: 3825905 (1974-02-01), Allen
Telephony, Vol. 184, No. 23; "A Computerized System for Improved Data Collection," by Paul C. Dinger; pp. 37-40.
GTE Automatic Electric Laboratories Incorporated
Heid David W.
Stewart David L.
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