Music – Instruments – Electrical musical tone generation
Patent
1992-01-22
1993-06-08
Shoop, Jr., William M.
Music
Instruments
Electrical musical tone generation
G10H 318
Patent
active
052181596
ABSTRACT:
An elastic pickup saddle for the bridge of a stringed musical instrument uses the anti-nodal area of a flexible elastic member therein to support an elastic vibratable string. The elastic member may be a beam, a span, a plate, a diaphragm, or a composite structure acting mechanically in a similar manner. The loaded anti-nodal area of the elastic member flexes between at least two nodal points of support. The elastic member is pre-stressed and deformed by a relatively static string pressure proportional to the string's tension. When string and/or body vibrations modulate this relatively static pressure, the pre-stressed elastic member interacts mechanically with the string, thus disturbing those vibrations. A piezoelectric strain sensor monitors the flexions of the elastic member and produces an enriched tone signal in response to the disturbed string and/or body vibrations. The flexible member is supported by a massive element typically including the bridge and a portion of the instrument body.
REFERENCES:
patent: 4211139 (1980-07-01), Murakami
patent: 4314495 (1982-02-01), Baggs
patent: 4491051 (1985-01-01), Barcus
patent: 4750397 (1988-06-01), Ashworth-Jones
patent: 4903566 (1990-02-01), McClish
patent: 4911054 (1990-03-01), McClish
patent: 4916350 (1990-04-01), Madden et al.
Donels Jeffrey W.
Shoop Jr. William M.
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