Method of constructing trumpet or other brass instrument

Details Method of constructing trumpet or other brass instrument Method of constructing trumpet or other brass instrument

1979-05-24

1981-06-16

Franklin, Lawrence R.

Music

Instruments

Wind

84387R, G10D 710

Patent

active

042730201

ABSTRACT:
A method of constructing a trumpet or other brass instrument is disclosed wherein a zone of increased taper is formed on the cylindrical inner surface of the mouthpipe to provide an improved air column between the mouthpiece and valve sections of the instrument. The zone of increased taper is critically positioned along the length of the mouthpipe to coincide with the pressure maximum points of selected notes in the upper octave of the normal playing range of the instrument to yield a chromatic scale that is nominally true to desired pitch.

REFERENCES:
patent: 1385202 (1921-07-01), Couturier
patent: 2987950 (1961-06-01), Kent

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