发明名称 Musical keyboard system for electronic musical instrument
摘要 A musical keyboard system for an electronic musical instrument, the keyboard system including a sensor arrangement for determining the amplitude of a note produced by a key of the musical keyboard, the sensor arrangement including a first sensor for providing an indication of a first time when movement of the key activates the first sensor, a second sensor for providing an indication of a second time when movement of the key activates the second sensor, a calculating device for determining the time difference between the second time and the first time, and an amplitude determining device for determining into which range of a plurality of ranges of time differences the time difference falls, and which amplitude of a plurality of amplitudes corresponds to the range. A corresponding method is also disclosed.
申请公布号 US2004173085(A1) 申请公布日期 2004.09.09
申请号 US20030382284 申请日期 2003.03.04
申请人 SEOW PHOEI MIN;LIM KOK LIANG;SIM WONG HOO 发明人 SEOW PHOEI MIN;LIM KOK LIANG;SIM WONG HOO
分类号 G10H1/34;(IPC1-7):G10H1/32;G10H3/00 主分类号 G10H1/34
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