| 摘要 |
<p>An advertising device including an enclosure (12) with a translucent front panel (16) for receiving advertising material. Electric lamps (24) are positioned within the enclosure and operable to illuminate the panel and the advertising material. A recorder sound device (39) is provided operable to produce an audible advertising message. The device includes control means (28) having sensing means (32) for sensing approach of a person to the vicinity of the device and operable to cause said electric lamps to be illuminated and said audible sound producing means to be operated.</p> |
