Apparatus for rapid reference to musical scales

Details Apparatus for rapid reference to musical scales Apparatus for rapid reference to musical scales

1990-12-19

1992-12-22

Gellner, Michael L.

Music

Accessories

Teaching devices

235 78R, G09B 1502

Patent

active

051735660

ABSTRACT:
Disclosed are various embodiments of a musical reference apparatus for use by musicians to rapidly and easily transpose or modulate music. The invention is preferably formed of two or three disc-shaped members which are rotatable relative to one another about a single axis. These disc-shaped members have musical indicia marked on upper surfaces thereof near their peripheries. The outer of the disc-shaped members has symbols thereon which represent musical tones, as does the inner of the disc-shaped members. An intermediate member which has symbols representing musical indexes can also be provided. Alternatively, the inner member can have two sets of symbols marked thereof, one representing musical tones, and the other representing musical indexes. Any of the various embodiments of the musical reference apparatus can be mounted on a reference card or on a wristwatch type device.

REFERENCES:
patent: 3318085 (1967-05-01), Lee
patent: 3431722 (1969-03-01), Mass
patent: 3472117 (1969-10-01), Iverson, Jr. et al.
patent: 3728932 (1973-04-01), Leonard
patent: 3841192 (1974-10-01), Leonard
patent: 4037518 (1977-07-01), Lorenzen
patent: 4961362 (1990-10-01), Gunn

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