Scrambler bypass system

Details Scrambler bypass system Scrambler bypass system

1996-07-11

1998-12-22

Cangialosi, Salvatore

Cryptography

Cryptanalysis

380 49, H04L 900

Patent

active

058526625

ABSTRACT:
A cordless phone configured to operate in both a scrambling mode and non-scrambling mode comprises a base station and a cordless handset terminal. Both the base station and the cordless handset terminal include voice scrambler circuits for scrambling and descrambling audio signals. Each of these voice scrambler circuits includes a bypass switch that when activated is adapted to couple audio signals from the input terminal of each scrambler circuit to the output terminal of each scrambler circuit via a bypass route. When the cordless phone operates in its non-scrambling mode, the audio signals are not affected by the internal circuitry of the voice scrambler circuits, leading to a substantially improved voice quality.

REFERENCES:
patent: 4368357 (1983-01-01), Gurak
patent: 4914696 (1990-04-01), Dudczak et al.
patent: 4972479 (1990-11-01), Tobias, Jr. et al.

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