Invention Grant
- Patent Title: Positioning method, program, positioning device, and electronic apparatus
- Patent Title (中): 定位方法，程序，定位装置和电子装置
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Application No.: US12241725Application Date: 2008-09-30
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Publication No.: US08670927B2Publication Date: 2014-03-11
- Inventor: Ken Watanabe
- Applicant: Ken Watanabe
- Applicant Address: JP Tokyo
- Assignee: Seiko Epson Corporation
- Current Assignee: Seiko Epson Corporation
- Current Assignee Address: JP Tokyo
- Agency: Global IP Counselors, LLP
- Priority: JP2007-267485 20071015
- Main IPC: G01C21/00
- IPC: G01C21/00 ; G01S19/42
Abstract:
A positioning method in a positioning device includes: measuring a current position by receiving positioning signals transmitted from a plurality of positioning satellites and performing first positioning processing using a least square method; determining whether or not a result of the first positioning processing satisfies a positioning change condition set beforehand as a condition for change of positioning processing; and measuring the current position by receiving the positioning signals transmitted from the plurality of positioning satellites and performing second positioning processing using a Kalman filter after stopping the first positioning processing when it is determined that the result of the first positioning processing satisfies the positioning change condition.
Public/Granted literature
- US20090099773A1 POSITIONING METHOD, PROGRAM, POSITIONING DEVICE, AND ELECTRONIC APPARATUS Public/Granted day:2009-04-16
Information query
