Research/Patents/US 6104517
US 6104517

SECURE COMMUNICATIONS SYSTEM

Assignee

Filed

Dec 26, 1974

Granted

Aug 15, 2000

Location

VA US

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.

Source: Google Patents

35 USC §181 Secrecy Order

Imposed

Oct 28, 1981

Rescinded

May 19, 1999

Duration

17 years, 6 months

Inventor

  • 1JERRY A. BLODGETT

Technology Domains

Click a domain to browse all patents in this category.

Back to patent indexSource: USPTO 35 USC §181 secrecy order records