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:
Nov. 08, 2011

Filed:

Oct. 13, 2009
Applicants:

Sandor Holly, Woodland Hills, CA (US);

Donald Elliot Harrington, Moorpark, CA (US);

Nicholas Koumvakalis, Thousand Oaks, CA (US);

Inventors:

Sandor Holly, Woodland Hills, CA (US);

Donald Elliot Harrington, Moorpark, CA (US);

Nicholas Koumvakalis, Thousand Oaks, CA (US);

Assignee:

The Boeing Company, Chicago, IL (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01S 13/88 (2006.01); G01S 7/38 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method and apparatus for transmitting beams of electromagnetic energy. A plurality of beams having a first number of frequencies and a number of beams having a second number of frequencies are transmitted. The plurality of beams and the number of beams overlap each other at an area with a pattern of intensities in the area. Difference frequency signals having a number of difference frequencies equal to a difference between the first number of frequencies and the second number of frequencies are monitored. The difference frequency signals are generated by an object having non-linear electrical characteristics in response to receiving the plurality of beams and the number of beams.


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