Musical information apparatus providing visual and audible outpu

Details Musical information apparatus providing visual and audible outpu Musical information apparatus providing visual and audible outpu

1977-03-21

1978-10-10

Hix, L. T.

Music

Accessories

Teaching devices

G09B 1504

Patent

active

041190114

ABSTRACT:
Display apparatus provides for concurrent visual display and audible reproduction of musical notes individually or in plural. In one embodiment, a top octave generator operates responsively to an input signal having a characteristic which is variable in accordance with the relative positioning of visual display components of the apparatus. In a second embodiment a tone generator provides top octave and lower octave signals and selection is made for audible reproduction by a switching arrangement responsive to relative positioning of visual display components.

REFERENCES:
patent: 255979 (1882-04-01), Hauschel
patent: 3460425 (1966-04-01), Kiepe
patent: 3795989 (1974-03-01), Greenberg
patent: 3969973 (1976-07-01), Pandapas

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