Note sensing in M.I.D.I. guitars and the like

Details Note sensing in M.I.D.I. guitars and the like Note sensing in M.I.D.I. guitars and the like

1990-02-02

1991-07-23

Witkowski, Stanley J.

Music

Instruments

Electrical musical tone generation

84731, 84743, 84DIG130, G10H 318

Patent

active

050333534

ABSTRACT:
In a guitar or the like where fretting is detected by ultrasonic signals emitted by a transducer bridge and reflected at a point of each string held against a fret, and the same transducer bridge is responsive to audible frequency string vibration induced by a player, a damper bridge selectively dampens propagation of lower frequency vibrations from a note triggering string section adjacent to the bridge to a note selecting string section extending over the fretted neck, thereby minimizing intereference between fret detection and note triggering functions using a single set of string and a single acoustic transducer for each string.

REFERENCES:
patent: 3456063 (1969-07-01), Teranishi et al.
patent: 4135426 (1979-01-01), Rickard
patent: 4165670 (1979-08-01), Cahn
patent: 4712463 (1987-12-01), Kubicki et al.
patent: 4723468 (1988-02-01), Takabayashi et al.
patent: 4748887 (1988-06-01), Marshall
patent: 4873904 (1989-10-01), Norimatsu

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