Communication security method and system

Details Communication security method and system Communication security method and system

1956-04-16

1980-01-15

Buczinski, S. C.

179 15S, 179 15R, 325 49, 325 61, 325370, 325435, H04K 100

Patent

active

041841174

ABSTRACT:
6. A communication security system including a transmitting system having a lurality of sources of carrier frequencies, a source of prescheduled noise, a suppressed carrier modulator and transmitter responsive to said carrier frequencies and to said prescheduled noise for transmitting only the resultant sidebands, and means for connecting said respective carrier sources to said modulator in accordance with a schedule to be communicated, and a receiving system having a synchronized source of identical prescheduled noise, a receiver multiplier responsive to said sidebands and said prescheduled noise to restore said carrier frequencies, and a plurality of filters each corresponding to one carrier frequency, whereby the outputs of said filters reproduce at said receiving system the schedule communicated from said transmitting system.

REFERENCES:
patent: 2405500 (1946-08-01), Guanella
patent: 2510338 (1950-06-01), Guanella
patent: 3054857 (1962-09-01), Weiss

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