发明名称 |
AN IMPROVEMENT IN OR RELATING TO SONAR APPARATUS |
摘要 |
A side looking sonar transducer which has sound absorbing material extending forwardly of the active surface of the transducer elements to diminish the acoustic response over a predetermined zone for reducing the effect of erroneous reflection signals. |
申请公布号 |
ZA7105457(B) |
申请公布日期 |
1972.04.26 |
申请号 |
ZA19710005457 |
申请日期 |
1971.08.16 |
申请人 |
WESTINGHOUSE ELECTRIC CORP |
发明人 |
DORR J |
分类号 |
B06B1/06;G10K11/34 |
主分类号 |
B06B1/06 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|