| 发明名称 |
ALARM ELECTRONIC WATCH WITH AUTOMATIC SOUND VOLUME ADJUSTMENT FUNCTION |
| 摘要 |
PURPOSE:To make the sound volume of alarm always easy to listen by changing the sound volume of an alarm device in proportion with the magnitude of the noises produced in the surroundings. |
| 申请公布号 |
JPS5352164(A) |
申请公布日期 |
1978.05.12 |
| 申请号 |
JP19760126883 |
申请日期 |
1976.10.22 |
| 申请人 |
SEIKO INSTR & ELECTRONICS |
发明人 |
SATOU KATSUHIKO |
| 分类号 |
G04G13/02;G04G99/00;G10K15/04 |
主分类号 |
G04G13/02 |
| 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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