| 摘要 |
<p>PURPOSE:To prevent a group of golf players from nearing a preceding group and ensure the safety of the golf play by detecting the position of a golf cart and generating an alarm, when the cart is judged to be within the predetermined range on the basis of a reference position. CONSTITUTION:A distance sensor 1 mounted on a golf cart detects the travel distance of the cart, and a magnetic sensor 2 detects a magnetic change on the ground. A transmitter 10 sends the prescribed frequency of a carrier from an antenna 12 after pulse code modulation, corresponding to data sent from CPU 6 and stored in a buffer 11. For displaying a course guide, a receiver 33 performs the demodulation of data received with an antenna 34 and sends the demodulated data to a buffer 24. A CPU 21 reads the data in the buffer 24 and sends a speech instruction for play prohibition to a speech synthesis device 30, when the data corresponds to alarm data. The device 30 reads corresponding speech data from ROM, converts the data to an analog audio signal, and drives a speaker 42 via an audio amplifier 41.</p> |
