专利名称：Position determination发明人：Sladen, Peter申请号：EP01308596.4申请日：20011009公开号：EP1203966A3公开日：20030129
专利附图：
摘要：Dead reckoning is used to solve a location problem when a user is out of rangeof GPS coverage. A starting position is determined by tracking movements from a firstposition where GPS coverage is not available to a second position where GPS coverage isavailable. The starting position is then determined by backtracking from this known
position.
申请人：Nokia Corporation
地址：Keilalahdentie 4 02150 Espoo FI
国籍：FI
代理机构：Haws, Helen
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