| 发明名称 |
Electronic metronome |
| 摘要 |
An electronic metronome comprises a displaying means controlled by a down-beat signal and an up beat signal. And the displaying time of the down-beat signal is different from that of the up beat signal so that the down-beat signal is distinguished clearly from the up beat signal.
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| 申请公布号 |
US4204400(A) |
申请公布日期 |
1980.05.27 |
| 申请号 |
US19770846396 |
申请日期 |
1977.10.28 |
| 申请人 |
DAINI SEIKOSHA K K |
发明人 |
HASEGAWA, YOSHIO;MOROHOSHI, FUMIO |
| 分类号 |
G04F5/02;(IPC1-7):G04F5/02;G08B3/00 |
主分类号 |
G04F5/02 |
| 代理机构 |
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代理人 |
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| 主权项 |
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