| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a remote control system that makes data communications and interphone speech compatible with each other through the same line without interference. SOLUTION: A polling selection system is adopted for data communications between the controller C of a combustion device and a plurality of remote controllers R1-R3 and when transmission reception of all the remote controllers is established, the polling is stopped for 3 minutes at maximum. However, on the occurrence of necessity of data communications during a speech, the polling is temporarily executed.</p> |
