Privacy communication method and system

Details Privacy communication method and system Privacy communication method and system

1970-09-10

1981-01-06

Birmiel, Howard A.

Telecommunications

Carrier wave repeater or relay system

Frequency or phase modulation

179 15FS, 455 26, H04K 100

Patent

active

042440530

ABSTRACT:
A privacy communication method and system which utilizes coherent, continuously changing frequencies for keyed, pulsed, and voice communications. A synthesized swept frequency or "chirp" signal imparts a privacy or secure communications capability to the communications signal by virtue of the random or pseudo-random nature of the transmitted signals which is programmed.

REFERENCES:
patent: 1571005 (1926-01-01), Hartley
patent: 2448055 (1948-08-01), Silver et al.
patent: 2998573 (1961-08-01), Beagles
patent: 3124748 (1964-03-01), Webb, Jr.
patent: 3155908 (1964-11-01), Berman
patent: 3204034 (1965-08-01), Ballard et al.
patent: 3283254 (1966-11-01), Hayne
patent: 3331035 (1967-07-01), Strickholm
patent: 3493865 (1970-02-01), Miller
patent: 3619802 (1971-09-01), Lohrmann
patent: 3681708 (1972-08-01), Olmstead
patent: 4066964 (1978-01-01), Costanza et al.

Affiliated with

Also associated with

Rating

Privacy communication method and system does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Privacy communication method and system, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Privacy communication method and system will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-288759