发明名称 GPS RECEIVING APPARATUS AND GPS POSITIONING SYSTEM
摘要 PROBLEM TO BE SOLVED: To provide a GPS receiving apparatus and a GPS positioning system for reducing a usage of waste power during storage, and enabling rapid positioning without requiring a cumbersome operation during storage and reuse when they are activated. SOLUTION: The GPS positioning system includes: determining means (20, 21) for detecting an operating state of the GPS receiving apparatus, and determining whether an apparatus body is in a moving state or a static state; a power supply control means (16) for turning on a GPS power supply if the apparatus body enters into the static state, and turning off the GPS power supply if the apparatus body enters into the moving state; and navigation message obtaining means (10-12) for obtaining a navigation message through a communication network, and obtains the navigation message through a navigation data obtaining means if the apparatus body enters into the moving state, and updates the navigation message stored in a storage means (19) by using the obtained navigation message. COPYRIGHT: (C)2010,JPO&INPIT
申请公布号 JP2010038798(A) 申请公布日期 2010.02.18
申请号 JP20080203683 申请日期 2008.08.07
申请人 CASIO COMPUT CO LTD 发明人 SANHONGI MASAO
分类号 G01S19/34;G01S19/05 主分类号 G01S19/34
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