Analog scrambler

Cryptography – Communication system using cryptography – Frequency shift or inversion

Reexamination Certificate

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Details

C380S044000, C455S203000

Reexamination Certificate

active

06973188

ABSTRACT:
A method for scrambling/descrambling an analog signal includes receiving an analog signal and converting the signal into an intermediate frequency signal. A Gaussian pseudo-random noise signal is generated and then multiplied with the intermediate frequency signal to scramble/descramble the received analog signal.

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