Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Koichi Hikida0
Toru Kitamura0
Masaya Yamashita0
Date of Patent
May 20, 2008
Patent Application Number
10583870
Date Filed
December 17, 2004
Patent Primary Examiner
Patent abstract
An azimuth measuring device is provided that can obtain offset information when the direction of the azimuth measuring device is arbitrarily changed. The offset information is calculated based on coordinates of a reference point obtained by a reference point estimating system. The azimuth measuring device can obtain the offset information without obtaining erroneous offset information when changing direction.
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