Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Driven diverse static structure
Patent
1988-10-07
1992-05-19
Dwyer, James L.
Electrical audio signal processing systems and devices
Electro-acoustic audio transducer
Driven diverse static structure
40455, 310324, 310800, 381150, 381188, 381192, H04R 2500, G09F 2700, H01L 4104
Patent
active
051154722
ABSTRACT:
Electroacoustic novelties are disclosed having a piezoelectric polymer film which functions as a speaker or microphone. The novelties include flags, banners, posters or articles of headwear. The piezoelectric polymer film may be attached to a portion of the flexible substrate forming the novelty, or it may be used as an integral part of the novelty structure. An audio output or recording device is electrically coupled to the piezoelectric polymer film. Both the piezoelectric polymer film and the electrodes may be transparent so that the adjoining portion of the novelty is visible.
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Park Kyung T.
Radice Peter F.
Cummng William D.
Dwyer James L.
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