发明名称 Positioning device, method of controlling positioning device, positioning control program, and computer-readable recording medium having positioning control program recorded thereon
摘要 A positioning device includes a moving amount determination section which determines a moving amount of the device in a period between a preceding positioning time and a present positioning time; a moving amount evaluation section which determines whether or not the moving amount is within a predetermined allowable moving range; a positioning section which locates a position of the device based on a satellite signal which is a signal from a positioning satellite; an average position calculation section which calculates an average position by averaging a preceding located position and a present located position when the moving amount evaluation section has determined that the moving amount is within the predetermined allowable moving range; and a position output section which outputs the average position.
申请公布号 US7720602(B2) 申请公布日期 2010.05.18
申请号 US20070711649 申请日期 2007.02.28
申请人 SEIKO EPSON CORPORATION 发明人 KURATA TOMOYUKI
分类号 G01C21/00;G01S19/14;G01S19/49 主分类号 G01C21/00
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