| 摘要 |
<p>The invention relates to an acoustic and/or optical electronic device which is incorporated or attached to a cap or a plug of a food or non-food product, having a prerecorded acoustic signal intended for the enhancement of the product appeal to the clients and for sales growth. According to the invention, the device comprises a micro chip (5) connected to a loudspeaker (2), a micro contactor (4) actuated by a membrane (6) of different density, upon removal of the plug or cap which equalize the pressure, and a motion detector (10) which detects the presence of a motion and, by means of the loudspeaker (2) and the micro chip (5) emits an acoustic signal.</p> |
