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:
Sep. 30, 2014
Filed:
Jul. 22, 2009
Alan J. Michaels, West Melbourne, FL (US);
David B. Chester, Palm Bay, FL (US);
Alan J. Michaels, West Melbourne, FL (US);
David B. Chester, Palm Bay, FL (US);
Harris Corporation, Melbourne, FL (US);
Abstract
Systems () and methods for selectively controlling access to data streams communicated from a first communication device (FCD) using a timeslotted shared frequency spectrum and shared spreading codes. Protected data signals () are modulated to form first modulated signals (). The first modulated signals are combined with first chaotic spreading codes to form digital chaotic signals. The digital chaotic signals are additively combined to form a protected data communication signal (PDCS). The PDCS () and a global data communication signal (GDCS) are time division multiplexed to form an output communication signal (OCS). The OCS () is transmitted from FCD () to a second communication device (SCD) over a communications channel. The SCD () is configured to recover (a) only global data from the OCS, or (b) global data and at least some protected data from the OCS.