发明名称 |
MULTI-MODE PIPE PROJECTOR |
摘要 |
An underwater acoustic projector comprising a pair of spaced apart end plates with an acoustic driver positioned between the end plates, the driver having smaller cross-sectional dimensions than the end plates. Each end plate close one end of an open ended tubular pipe waveguide and that plate is mechanically connected to one end of a piezoelectric drive unit with a tubular waveguide extending inwards and surrounding the end portion of the acoustic driver.
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申请公布号 |
CA2432048(C) |
申请公布日期 |
2010.07.20 |
申请号 |
CA20032432048 |
申请日期 |
2003.06.12 |
申请人 |
HER MAJESTY IN RIGHT OF CANADA AS REPRESENTED BY THE MINISTER OF NATIONA L DEFENCE |
发明人 |
FLEMING, RICHARD ALFRED G.;PURCELL, CHRISTOPHER JOHN A. |
分类号 |
G10K11/22;B06B1/06;G01S7/52;G10K13/00;H04R1/44 |
主分类号 |
G10K11/22 |
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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