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.

Date of Patent:
Jun. 20, 2017

Filed:

Aug. 18, 2014
Applicant:

Trimble Navigation Limited, Sunnyvale, CA (US);

Inventors:

Prakash Iyer, San Jose, CA (US);

Lea Ann McNabb, San Jose, CA (US);

Assignee:

Trimble Inc., Sunnyvale, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01C 21/00 (2006.01); G01C 21/34 (2006.01); G01C 21/20 (2006.01);
U.S. Cl.
CPC ...
G01C 21/3415 (2013.01); G01C 21/206 (2013.01);
Abstract

An evacuation navigation device disclosed. In one embodiment, the evacuation navigation device comprises a position determining component configured to determine a position of a handheld device within a selected environment having access to at least one positioning system. The device further comprises a display device configured to display the position of the handheld device on a digital map of the selected environment and at least one evacuation route from the position to an evacuation position. The device further comprises a wireless communication component configured to receive a real-time update of safety conditions along the at least one evacuation route. The device further comprises logic implemented by a processor for dynamically revising the digital map based upon the real-time update.


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