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:
Jan. 27, 2009

Filed:

May. 03, 2006
Applicants:

Adrian Kent, Cambridge, GB;

William J. Munro, Bristol, GB;

Timothy P. Spiller, Bristol, GB;

Raymond G. Beausoleil, Jr., Redmond, WA (US);

Inventors:

Adrian Kent, Cambridge, GB;

William J. Munro, Bristol, GB;

Timothy P. Spiller, Bristol, GB;

Raymond G. Beausoleil, Jr., Redmond, WA (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01B 9/02 (2006.01);
U.S. Cl.
CPC ...
Abstract

A security system uses a source capable of producing an entangled state of a sensing mode and a reference mode. The sensing mode has a path that enters an area around an object being secured. A state measurement system in the security system can measure a combination of the sensing mode after traversal of the sensing path and the reference mode after traversal of a reference path.


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Kent, Adrian. (2009). Security systems and monitoring methods using quantum states (U.S. Patent No. 7483142). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7483142

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