发明名称 |
Electronic musical instrument keyboard |
摘要 |
A musical instrument keyboard consisting of a spring metal plate stamped into the shape of a comb with the back of the comb clamped in position and the teeth thereof mounting the keys, characterized by low cost, and including provision for comparable pressure of operation as between the long lever (white) keys and the short lever (black) keys, and requiring no soft side guides or the hardware to mount them.
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申请公布号 |
US4043244(A) |
申请公布日期 |
1977.08.23 |
申请号 |
US19740532427 |
申请日期 |
1974.12.13 |
申请人 |
HAMMOND CORPORATION |
发明人 |
SCHRECONGOST, RAY B.;PERUTIS, EDWARD J. |
分类号 |
G10C3/12;(IPC1-7):G10C3/12 |
主分类号 |
G10C3/12 |
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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