摘要 |
PURPOSE:To provide the electronic keyboard musical instrument which can detect fast and weak key operation as to an electronic keyboard musical instrument which can detect an initial touch. CONSTITUTION:This electronic keyboard musical instrument has a key 4 which rotates around the fulcrum of a rear part by depressing operation, a key support member 3 which supports the rear end part of the key, an actuator 4a which projects to before and below the key and formed integrally with the key, and a depression detecting means 6 consisting integrally of ON/OFF detecting means 65A and 65B which detect the ON/OFF state of the key and pressure detecting means 65C and 66 which detect the pressure applied to operate the key. |