Matrix coding secret signalling system

Details Matrix coding secret signalling system Matrix coding secret signalling system

1945-05-10

1976-03-16

Hubler, Malcolm F.

H04K 102

Patent

active

039447448

ABSTRACT:
1. In a scrambling system for translating input message values into output currents of substantially random occurrence of values, separate message input circuits for each message value, separate output control circuits for determining each output current value, a plurality of key circuits crossing said message input circuits, means to apply key currents to respective key circuits on a substantially random basis, and means at each cross-over point between said message input circuits and key circuits for setting up a current condition in a corresponding one of said output control circuits to determine the value of output current.

REFERENCES:
patent: 2136441 (1938-11-01), Karolus
patent: 2195864 (1940-04-01), Knoup
patent: 2308778 (1943-01-01), Prince

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