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:
Feb. 12, 2013
Filed:
Dec. 16, 2010
Yun-long Tun, Taoyuan County, TW;
Hsing-chiang Huang, Taoyuan County, TW;
Yun-Long Tun, Taoyuan County, TW;
Hsing-Chiang Huang, Taoyuan County, TW;
HTC Corporation, Taoyuan, TW;
Abstract
A mobile navigation device operating in a first mode and a second mode is provided. In the first mode, a satellite positioning module is activated while a dead reckoning module is disabled. A processor calculates the coordinates of the mobile navigation device based on the satellite navigation signals received by the satellite positioning module. In the second mode, the satellite positioning module is disabled while the dead reckoning module is activated, and the processor updates the coordinates based on displacements and rotations detected by the dead reckoning module.