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:
Aug. 30, 2011
Filed:
Sep. 21, 2007
Robert A. Hirschfeld, Austin, TX (US);
Michael K. Cation, Austin, TX (US);
Robert A. Hirschfeld, Austin, TX (US);
Michael K. Cation, Austin, TX (US);
Abstract
A method of controlling access to a restricted area including receiving location information from at least one supplemental tracking source which tracks location of an authorized user, and controlling access by the authorized user to a restricted area based on the location information. The method may further include maintaining a muster based on the location information. A physical access control system for controlling access to a restricted area including a user location information system and an access system which controls access based on the location information. The user location information system may further maintain a muster based on the location information. The user location information system receives location information indicating location of an authorized user from at least one supplemental tracking source.