Key signaling system with multiple pulse generators

Details Key signaling system with multiple pulse generators Key signaling system with multiple pulse generators

1945-05-10

1976-04-27

Farley, Richard A.

H04K 102

Patent

active

039536777

ABSTRACT:
1. In a secret signaling system, means at a station for providing a plurality of different keys for use one at a time for enciphering signals to be sent from said station, means at said station when transmitting for sending a concomitant indication identifying the particular key that is in use in transmitting, means at a station when receiving secret signals and key indications from another station for providing a plurality of different keys which are duplicates of those provided at the distant sending station, means responsive to the received key indication for automatically selecting the appropriate key for deciphering the received secret signals, and means for deciphering said received secret signals by means of said selected key.

REFERENCES:
patent: 1598673 (1936-09-01), Blackwell
patent: 2098956 (1937-11-01), Dudley
patent: 2262838 (1941-11-01), Deloraine
patent: 2406347 (1946-08-01), Buhrendorf
patent: 2406350 (1946-08-01), Harrison
patent: 2406881 (1946-09-01), Young, Jr.
patent: 2419568 (1947-04-01), Labin

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