发明名称 ELECTRONIC KEYBOARD MUSICAL INSTRUMENT
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.
申请公布号 JPH04361295(A) 申请公布日期 1992.12.14
申请号 JP19910163641 申请日期 1991.06.08
申请人 YAMAHA CORP 发明人 TANIWAKI TOMU
分类号 G10H1/00;G10H1/053;G10H1/34;H01L29/84 主分类号 G10H1/00
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