G - Physics – 10 – H
Patent
G - Physics
10
H
84/3, 84/1.1
G10H 1/00 (2006.01) G10H 1/34 (2006.01)
Patent
CA 1227073
ABSTRACT OF THE DISCLOSURE An electrical musical instrument includes an electrical tone generator and an electrical selector and controller for shaping music from the tone generator. A keyboard with piano action feel com- prises an array of keys movable between initial and depressed positions. The key depression action and feel is limited and controlled by an array of action assemblies. Each action assembly includes a pivotal action arm and a weighting for each action arm. A spring extension of the action arm (a key) with one such spring constructed to yield initially on key depression and then restore so that the action arm pivots. The action arm movement is convertible to a key-movement-related sign.
479972
Kurzweil Music Systems Inc.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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