Key position computing apparatus and computing method therefor
Key range dividing type electronic musical instrument
Key signature actuator for a musical keyboard
Key signature actuator for a musical keyboard
Key structure
Key structure
Key structure and keyboard apparatus
Key structure and keyboard apparatus
Key structure and keyboard apparatus
Key support device
Key switch information assignor
Key switch system
Key system for controlling the rate of attack in electronic musi
Key to switch for electronic musical instrument
Key touch adjuster for a keyboard musical instrument
Key touch data generation circuit of an electronic musical instr
Key touch detector for an electronic musical instrument
Key transposing electronic organ
Key-driving/detecting mechanism for keyboard instrument
Key-pad operating mechanism of saxophone