KEYBOARD DEVICE FOR ELECTRONIC MUSICAL INSTRUMENT

摘要

PURPOSE:To provide a keyboard device for the electronic musical instrument which is corresponded to a similar musical performance to an acoustic piano. CONSTITUTION:Optimum relation is set between the opening/closing operation of key switches for keyboard performance detection and the timing of let-off effect, and the concrete timing between the key switch and let-off effect is set as follows. After the let-off effect starts, a 1st key switch for keyboard performance detection is turned ON and a keyboard performance begins to be detected. A 2nd key switch for keyboard performance detection is turned ON right before the let-off effect ends and the detection of the keyboard performance ends.