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. 19, 2015
Filed:
Jun. 24, 2013
Applicants:
Jonathan Louis Tolstedt, Fargo, ND (US);
Maxwell Louis Tolstedt, Fargo, ND (US);
Inventors:
Jonathan Louis Tolstedt, Fargo, ND (US);
Maxwell Louis Tolstedt, Fargo, ND (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01C 21/20 (2006.01); A61H 3/06 (2006.01);
U.S. Cl.
CPC ...
A61H 3/061 (2013.01); G01C 21/206 (2013.01);
Abstract
A navigational aid for use primarily by the visually impaired in the form of a virtual walking stick, comprising a location sensor and an inertial measurement unit, which can provide angle-dependent navigation directions to a user, and which can be used to record the three-dimensional locations of new objects of interest for later uploading and integration into a global map set of the region.