Telephone line monitoring apparatus and method

Telephonic communications – Telephone line or system combined with diverse electrical... – To produce visual-graphic copy

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Details

379 96, 379 35, 358400, 358442, H04M 1100, H04N 100

Patent

active

053475720

ABSTRACT:
A fax monitoring apparatus comprises one or more line interface circuits to simultaneously detect and analyze audio signals produced on any given telephone line by two connected fax machines, analyzing circuitry to analyze and interpret the audio signals to form a compressed fax image, expansion circuitry to expand the compressed fax image into a bit-mapped image, memory to store the compressed fax image and/or the bit-mapped image, and display to display the bit-mapped image of the original fax transmission.

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