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:
Nov. 19, 2013
Filed:
May. 25, 2005
Applicants:
William D. Denison, Lake Zurich, IL (US);
Bradley S. Silvers, Oswego, IL (US);
Lawrence Brownfield, Downers Grove, IL (US);
Inventors:
William D. Denison, Lake Zurich, IL (US);
Bradley S. Silvers, Oswego, IL (US);
Lawrence Brownfield, Downers Grove, IL (US);
Assignee:
O.S. Security, Plano, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 9/32 (2006.01);
U.S. Cl.
CPC ...
Abstract
An electronic access control device is disclosed comprising two microprocessors. The first microprocessor receives a wirelessly transmitted that is compared to a stored access code. If those two codes match, the first microprocessor transmits a special communication code to the second microprocessor. The second microprocessor opens the lock if the transmitted communication code matches a stored communication code.