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:
Oct. 21, 2014
Filed:
Jan. 14, 2011
Michael Wengrovitz, Concord, MA (US);
Tom Janiszewski, Andover, NJ (US);
Qiru Zhou, Scotch Plains, NJ (US);
Michael Wengrovitz, Concord, MA (US);
Tom Janiszewski, Andover, NJ (US);
Qiru Zhou, Scotch Plains, NJ (US);
Alcatel Lucent, Boulogne-Billancourt, FR;
Abstract
Area tracking systems including a plurality of short range sensors that are communicatively connected to a server and methods of tracking electronic devices. The electronic devices are tracked by polling for the electronic devices, the polling including transmission of electronic addresses corresponding to the electronic devices and determining whether a reply to the poling is received. The electronic addresses are each stored on one of a plurality of lists. Each of the lists may be polled at a different frequency and may include a different number of electronic device addresses.