| 摘要 |
PURPOSE: A golf ball with a GPS tracking unit is provided to clearly identify the track of the golf ball. CONSTITUTION: A phase information via an artificial satellite(1) is transmitted by a GPS satellite receiving equipment embedded in a flying golf ball(10). A base station(20) receives the phase information transmitted from the golf ball(1), and converts the phase information into position information according to a section of a golf course, displays the same and transmits the same. A user module(30) having received the position information transmitted from the base station(20) informs of the present position of the golf ball by image and voice.
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