| 摘要 |
PROBLEM TO BE SOLVED: To provide an automatic vending machine allowing adjustment of sound volume in time of door opening. SOLUTION: This automatic vending machine having a voice generation device has: a setting means setting the volume of voice; a door opening detection means detecting the door opening; and a control means changing the volume from the voice generation device into the volume set by the setting means in time of the door opening detection by the door opening detection means. COPYRIGHT: (C)2009,JPO&INPIT
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