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:
Sep. 06, 2011
Filed:
Feb. 12, 2009
Claude Arpin, Longueuil, CA;
William R. Duvall, Sudbury, MA (US);
Joseph T. Lipowski, Scituate, MA (US);
Arvind K. Ramadorai, Arlington, MA (US);
Thomas A. Wooters, Boston, MA (US);
Claude Arpin, Longueuil, CA;
William R. Duvall, Sudbury, MA (US);
Joseph T. Lipowski, Scituate, MA (US);
Arvind K. Ramadorai, Arlington, MA (US);
Thomas A. Wooters, Boston, MA (US);
LoJack Operating Company, LP, Westwood, MA (US);
Abstract
An asset location, tracking, and recovery system and method includes a network of VHF towers and a control center receiving signals from and transmitting signals to the VHF towers. Primary locating units each include a transmitter, a receiver, and a transponder activated when a signal is transmitted by the control center via the VHF towers to the receiver. Auxiliary locating units include at least a transmitter emitting a signal received by at least one primary locating unit receiver which relays that signal to the control center via the VHF towers from the primary locating unit transmitter.