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. 08, 2011
Filed:
Sep. 25, 2008
Khalil W. Yacoub, Boca Raton, FL (US);
Anshuman Sinha, Boca Raton, FL (US);
Khalil W. Yacoub, Boca Raton, FL (US);
Anshuman Sinha, Boca Raton, FL (US);
UTC Fire & Security Americas Corporation, Inc., Bradenton, FL (US);
Abstract
An improved physical access control system has an online portion and an offline portion. A smartcard is configurable to transport access control information between the online portion and offline portion. The smartcard is further configurable to receive an offline reader identifier from an offline reader, and to control access of the smartcard holder to an offline entry/exit point. The smartcard is further configurable to carry a revoked list that is transmitted to each offline reader accessed. Methods of operating the improved physical access control system are also disclosed.