Secure communications system

Details Secure communications system Secure communications system

1974-12-26

2000-08-15

Buczinski, Stephen C.

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359168, 359190, H04B 1004, H04B 1000, H04B 1006

Patent

active

061045179

ABSTRACT:
A secure communications system which comprises a laser-sending system and a light receiver. The laser light is divided into two beams, one beam is modulated to add the signal thereto, then the beams are recombined and directed to the receiver. The receiver then separates and demodulates the signal.

REFERENCES:
patent: 3508060 (1970-04-01), Boykin
patent: 3755676 (1973-08-01), Kinsel
Skolnik; Radar Handbook; McGraw-Hill; 1970; pp. 37-14, 15, 43; TK 6575 S5r.
Born & Wolf; Principles of Optics; MacMillan Co., 1964; pp. 319, 320; QC B57.

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