Music – Instruments – Electrical musical tone generation
Patent
1987-11-03
1990-04-03
Witkowski, Stanley J.
Music
Instruments
Electrical musical tone generation
84404, 84DIG12, 84DIG21, G10H 314
Patent
active
049130234
ABSTRACT:
For detecting a difference in rendition, a bar incorporated in an electronic percussion system includes a supporting block having a surface portion, a top member having a first surface portion and a second surface portion located at the reverse side of the first surface portion, and a force sensitive unit intervening between the surface portion of the supporting block and the second surface portion of the top member and converting a force acting on the first surface portion into an electric signal, wherein the first surface portion is formed with a rugged surface which causes a striker to intermittently strike the first surface portion when the striker moves along the first surface portion.
REFERENCES:
patent: 1575961 (1926-03-01), Bartholomae
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patent: 1838502 (1931-12-01), Schluter
patent: 2581963 (1952-01-01), Langloys
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patent: 2898795 (1959-08-01), Kunz
patent: 3595119 (1971-07-01), Kuijpers
patent: 3684814 (1972-08-01), Neustadt
patent: 4281728 (1981-08-01), Dickason et al.
patent: 4488873 (1984-12-01), Bloomfield et al.
Kuroyanagi Hirohisa
Mizuguchi Masaaki
Witkowski Stanley J.
Yamaha Corporation
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