| 摘要 |
PROBLEM TO BE SOLVED: To miniaturize with low-cost configuration, for lower power consumption, by relating to a system for rapidly and surely fined a dormant wanderer, etc. SOLUTION: A dormant wanderer 1 is provided with a small transmitter 2, and the transmitter 2 automatically transmits an intrinsic data signal intermittently. When the wanderer 1 moves, the power source of a data repeater 3 near its movement is turned on, and the data signal from the transmitter 2 is received, and its discrimination information is transferred to a center 5 through a base station 4. At the center 5, the wanderer 1 and its position are specified from the transferred information, and required information is transmitted. |
