Method and apparatus for making trombone slide positions

Details Method and apparatus for making trombone slide positions Method and apparatus for making trombone slide positions

1998-03-24

2000-12-19

Nappi, Robert E.

Music

Instruments

Wind

84387R, 84453, G10D 710

Patent

active

061629758

ABSTRACT:
An apparatus for marking slide positions on a conventional trombone having an inner hollow slide slidingly journalled in an outer hollow slide includes a magnet sensor mountable on the outer hollow slide for sensing proximity of a magnet mounted within the inner hollow slide. The magnet sensor may be first magnets mountable in longitudinally spaced apart slide positions on the outer hollow slide. A second magnet is mountable within the inner hollow slide. The magnet sensor indicates the proximity of the second magnet by feedback to a user sliding the outer hollow slide over the inner hollow slide.

REFERENCES:
patent: 2446378 (1948-08-01), Maxwell
patent: 3456062 (1969-07-01), Watson et al.
patent: 3895555 (1975-07-01), Peterson et al.
patent: 4286495 (1981-09-01), Roof

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