| 摘要 |
<p>PROBLEM TO BE SOLVED: To make an answer-back function switchable. SOLUTION: A transmitter 10 is composed of a control part 15 for performing control so that a transmission part 14 outputs a prescribed signal by detecting the selection of switches 11 and 12. A receiver 20 is composed of a control part 21 for performing prescribed processing by identifying that signal, a reception part 22 for receiving that signal, a driving part 25 to be controlled for driving a drive unit 26 on the basis of an instruction from the control part 21 and a driving part 27 for answer-back means for driving a horn 28 or various lamps 29. Plural answer-back means are switched by the operation of the switches 11 and 12.</p> |
