| 摘要 |
<p>PROBLEM TO BE SOLVED: To solve the problem that music reproduction irrespective of oscillation is stopped when power is cut since it is considered that a radio wave of a music reproducing unit with radio function adversely affects a medical unit at a place congested with people such as a full-housed train. SOLUTION: The radio equipment is provided with a mechanism for stopping only the oscillator of RF, a call means and a radio information exchange means by using a control means.</p> |
