| 发明名称 |
ULTRASONIC HORN |
| 摘要 |
PURPOSE:To improve a directional property by providing a partition having a slit in a cylinder which is integrally mounted in the gorge of a horn and setting the longitudinal direction of a slit at a right angle with the longitudinal direction of a horn caliber. |
| 申请公布号 |
JPS533811(A) |
申请公布日期 |
1978.01.13 |
| 申请号 |
JP19760078069 |
申请日期 |
1976.06.30 |
| 申请人 |
MATSUSHITA ELECTRIC WORKS LTD |
发明人 |
KATAYAMA SUSUMU;INOUE HIRONOBU;OOHASHI HIROSHI |
| 分类号 |
H04R1/30;B06B1/00;B06B1/02;G10K11/02;H04R7/00 |
主分类号 |
H04R1/30 |
| 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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