Electronic keyboard display device

Details Electronic keyboard display device Electronic keyboard display device

G - Physics

09

B

35/31

G09B 15/08 (2006.01) G09B 15/00 (2006.01)

Patent

CA 1096609

ABSTRACT OF THE DISCLOSURE A small lightweight electronic devise to indicate the note of a keyboard instrument represented by any musical interval in any key. The device has a serious of on-off switches represent- ing each of the desired musical keys and a series of switches representing the individual values of musical interval's over a desired range, preferably two octaves. The necessary circuitry is provided between these switches and a keyboard display such that any particular note represented by a musical interval of selected value in a selected key is indicated on the keyboard display. Students and teachers of music for keyboard instruments can, using this device, visualize the location of notes or chords in any key and transpositions of notes or chords from one key to another.

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