Music – Instruments – Electrical musical tone generation
Patent
1991-09-16
1992-04-21
Shoop, Jr., William M.
Music
Instruments
Electrical musical tone generation
84DIG12, G10D 1302
Patent
active
051057107
ABSTRACT:
A floating metallic striker plate with a transducer positioned by selective antinode alignment at the resonance point of the striker plate, i.e., the point of greatest vibration. A thin disk made from a plastic laminate or wood veneer is positioned at the bottom of a metallic shell and held in place by a locking rim. A metallic bottom plate is placed on top of and attached to the disk. An isolation ring and isolation foam disk are attached to the bottom plate. The metallic striker plate is attached to the isolation ring and interior surface of the shell by silicon adhesive. A flat transducer with electrical connections to a jack in the side of the shell is attached to the striker plate undersurface at the plate's resonance point. A pure gum rubber disk is attached to the striker surface of the striker plate.
REFERENCES:
patent: 3509264 (1970-04-01), Green
patent: 3956959 (1976-05-01), Ebihara et al.
patent: 4279188 (1981-07-01), Scott
patent: 4479412 (1984-10-01), Klynas
patent: 4570522 (1986-02-01), May
patent: 4581972 (1986-04-01), Hoshino
patent: 4581973 (1986-04-01), Hoshino
patent: 4679479 (1987-07-01), Koyamoto
patent: 4947725 (1990-08-01), Nomura
patent: 5010803 (1991-04-01), Donnell
patent: 5042356 (1991-08-01), Karch
Modern Drummer, Sep., 1991, vol. 15, No. 9, pp. 46-47.
McGonagle John P.
Shoop Jr. William M.
Sircus Brian
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