发明名称 |
Keyboard musical instrument having variable contact point between jack and regulation button |
摘要 |
A piano has a regulating button mechanism so as to cause a jack to escape from a hammer assembly, and the regulating button mechanism has a first regulating button and a second regulating button with which the jack is selectively brought into contact; and the jack imparts a force variable in dependence on the regulating button to the hammer assembly so as to generate loud or soft tones.
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申请公布号 |
US5557052(A) |
申请公布日期 |
1996.09.17 |
申请号 |
US19950413632 |
申请日期 |
1995.03.30 |
申请人 |
YAMAHA CORPORATION |
发明人 |
HAYASHIDA, HAJIME;INOUE, SATOSHI |
分类号 |
G10F1/02;G10C1/04;G10C3/16;G10H1/34;(IPC1-7):G10C3/18 |
主分类号 |
G10F1/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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