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:
May. 14, 2013
Filed:
Dec. 02, 2010
Patrick S. Gonla, Maplewood, MN (US);
Soumitri Kolavennu, Blaine, MN (US);
Cleopatra Cabuz, Eden Prairie, MN (US);
Patrick S. Gonla, Maplewood, MN (US);
Soumitri Kolavennu, Blaine, MN (US);
Cleopatra Cabuz, Eden Prairie, MN (US);
Honeywell International Inc., Morristown, NJ (US);
Abstract
A method and apparatus are provided for estimating the location of a portable device. The method includes providing a plurality of location anchor and enhanced location anchor transceivers within a region, each operating from respective predetermined locations, a portable transceiver measuring a signal parameter from the transceivers, a location engine determining a location of the portable transceiver based upon the signal measurements and the respective predetermined locations of the transceivers, each of the enhanced transceivers measuring a signal parameter from some of the location and other enhanced transceivers, the location engine calculating an estimated location for each of the plurality of enhanced transceivers and calculating a location error based upon the estimated location and predetermined location of the enhanced location anchor transceiver.