Loudspeaker
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 21, 1995
Grant Date -
N/A
app pub date -
Feb 14, 1992
filing date -
Sep 26, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
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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Family
International Classification(s)
Cited Art Landscape
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