| 摘要 |
PCT No. PCT/EP89/01076 Sec. 371 Date Feb. 14, 1992 Sec. 102(e) Date Feb. 14, 1992 PCT Filed Sep. 26, 1989 PCT Pub. No. WO90/03711 PCT Pub. Date Apr. 5, 1990.An electromechanical transducer made of a piezo-polymer film is presented. The film is transparent and is applied to a television screen, glass pane of a framed picture, or the like. The piezo-polymer film is arranged to provide a plurality of loudspeakers of a television apparatus which can be controlled by a digital audio signal.
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