| 摘要 |
<p>PURPOSE:To effectively use temporal and human resources by automatically detecting the coming of a visitor to automatically start the demonstration and receiving visitor's questions through a line by an answerer to give answers and eliminating a need to always keep an explainer and the answerer on the alert. CONSTITUTION:A visitor detector 1 which detects coming of a visitor and a demonstration storage device 2 where contents of demonstration are stored are provided. When the visitor detector 1 detects a visitor, contents are read out from the demonstration storage device 2; but when the visitor detector 1 does not detect any visitor, contents are repeatedly read out and are outputted to a picture output device 3 and an audio output device 4.</p> |
