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.

Date of Patent:
May. 25, 2004

Filed:

Jun. 27, 2000
Applicant:
Inventor:

Adam Lender, Palo Alto, CA (US);

Assignee:

Lockheed Martin Corporation, Bethesda, MD (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04B 1/69 ; H04K 1/00 ;
U.S. Cl.
CPC ...
H04B 1/69 ; H04K 1/00 ;
Abstract

A system and method of modulation of digital data to create a low probability of intercept communication system. The method comprises the steps of receiving digital data (or analog data and converting it into digital data), modulating the digital data signal, scrambling the digital data signal using here an eight position shift register with appropriately positioned feedback elements, converting the modulated-scrambled signal into a direct-sequence pseudo noise spread spectrum signal, converting the spread spectrum signal into a gaussian type signal, resulting in a white and gaussian noise-like characteristics. The system and method employ proved and innovative correlative techniques in converting data into a noise-like waveform. This insures a higher degree of immunity to interception, and provides an unmatched level of privacy and security over all types of communication media.


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