Trumpet and synthesizer apparatus capable of polyphonic operatio

Details Trumpet and synthesizer apparatus capable of polyphonic operatio Trumpet and synthesizer apparatus capable of polyphonic operatio

1979-06-04

1980-05-20

Witkowski, S. J.

Music

Instruments

84 124, 84445, G10H 302

Patent

active

042033381

ABSTRACT:
There is disclosed a trumpet incorporating rotary potentiometers which are controlled by means of circular wheels coupled to the shaft of the potentiometers. By rotating the wheel, the musician can vary the resistance of the potentiometer to thereby control the modulation and pitch characteristics of a synthesizer. The pitch of the trumpet is transduced by means of a pickup located in the mouthpiece of the instrument. The signal produced by the pickup is coupled to a pitch follower circuit whose output is coupled to the external input of a synthesizer module to hence use the actual pitch of the trumpet to vary the characteristics of the synthesizer. A transposition switch is located on the rear valve assembly and operates to control the transposition mode of the pitch follower. A glide switch is positioned beneath the transposition switch and is employed to control the portamento input of the synthesizer module. The instrument, when operating in conjunction with a conventional synthesizer, produces a polyphonic output which presents to a listener, the sound of a multiplicity of instruments.

REFERENCES:
patent: 2138500 (1938-11-01), Miessner
patent: 2984140 (1961-05-01), Barron
patent: 3429976 (1969-02-01), Tomcik
patent: 3482026 (1969-12-01), Babicky
patent: 3507971 (1970-04-01), Feddersen
patent: 3510564 (1970-05-01), Wetsell et al.
patent: 3543629 (1970-12-01), Barcus et al.
patent: 3767833 (1973-10-01), Noble et al.
patent: 3938419 (1976-02-01), De Rosa

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