The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 15, 2000
Filed:
Dec. 26, 1974
Applicant:
Inventors:
Jerry A Blodgett, Annandale, VA (US);
Raymond A Patten, Oxon Hill, MD (US);
Assignee:
The United States of America as represented by the Secretary of the Navy, Washington, DC (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04B / ; H04B / ; H04B / ;
U.S. Cl.
CPC ...
359183 ; 359168 ; 359190 ;
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.