Method of inferring user' direction, direction inferring apparatus, and terminal apparatus
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United States of America Patent
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Jun 30, 2015
Grant Date -
Nov 8, 2012
app pub date -
Mar 21, 2012
filing date -
May 6, 2011
priority date (Note) -
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Abstract
A method of inferring a user's direction by a computer, the method includes: recording a relative azimuth angle obtained from an output of a direction sensor included in a terminal apparatus carried by the user; identifying the user's direction at a first point at which the user's direction is capable of being identified; and inferring the user's direction at a second point by using a relative azimuth angle corresponding to the first point and a relative azimuth angle corresponding to the second point different from the first point, and the user's direction that has been identified at the first point.
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