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:
Jul. 30, 2013
Filed:
Feb. 09, 2011
Christian Lundquist, Linköping, SE;
Per Skoglar, Linköping, SE;
Fredik Gustafsson, Linköping, SE;
David Törnqvist, Linköping, SE;
Jonas Callmer, Linköping, SE;
Christian Lundquist, Linköping, SE;
Per Skoglar, Linköping, SE;
Fredik Gustafsson, Linköping, SE;
David Törnqvist, Linköping, SE;
Jonas Callmer, Linköping, SE;
Senionlab AB, Linkoping, SE;
Abstract
The present invention relates to a method for positioning a user inside a building, wherein the user has a user carried device () and the user carried device () is provided with a direction sensor () and a movement sensor (). The method comprises the steps of providing the user carried device with a vector map () of the building, wherein the vector map () comprises vectors and nodes representing possible movement paths for the user in the building; determining a starting point in the vector map representing a first position of the user; receiving movement information from the movement sensor () regarding movement of the user in the building; receiving direction information from the direction sensor () regarding the direction of the movement of the user; and estimating a new position of the user based on the vector map, the movement information and the direction information.