| 摘要 |
A motion-sensing sales display, which plays back video and/or audio programming whenever a bystander enters the area in front of the display, is provided. An electronic motion sensor detects the presence of a nearby bystander and electrically triggers a digital media playback device, which plays back video and/or audio program materials stored in the display's digital memory. A video monitor and speaker integrated into the face of the display allow the sales display to present the recorded programming without the need for external audiovisual components.
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