Music – Instruments
Patent
1982-04-12
1983-04-05
Witkowski, Stanley J.
Music
Instruments
84 116, 84DIG24, 252 629, 310357, 310358, 310800, G10H 318
Patent
active
043787215
ABSTRACT:
A pickup for an electric string type instrument comprising an elongated piezo-electric member formed by mixing a high molecular material with piezo-electric ceramic powder and a vulcanizing or cross-linking agent and then vulcanizing or cross-linking the mixture. In order to complete the pickup a pair of electrodes are mounted on the elongated member and the member is then subjected to a polarization treatment. The piezo-electric member can be formed as a flat belt-shaped member with the electrodes mounted on both surfaces thereof or it can be formed as a cylinder in which one of the electrodes extends axially in the piezo-electric member and the other electrode is mounted on the outer periphery of the piezo-electric member. A plurality of the pickups can be joined in parallel relation within an elastic support and the latter can be mounted between the strings and the frame of the string instrument through the intermediary of a bridge member.
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Goshima Takayuki
Hakamada Kensaku
Hayashi Satoru
Kaneko Kenkichi
Matsumoto Masakazu
Kabushiki Kaisha Kawai Seisakusho
Witkowski Stanley J.
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