| 摘要 |
PROBLEM TO BE SOLVED: To provide a mobile information terminal and a position display system capable of displaying a current position even at a location where a GPS signal sent from a GPS satellite cannot be received. SOLUTION: A position information server 1 sequentially acquires position information stored in a storage section 11, decides a beam direction of a phased array antenna according to the position information, and uses the phased array antenna to distribute the position information to the mobile information terminal 3. COPYRIGHT: (C)2004,JPO |
