发明名称 |
Method of and apparatus for producing spherical waves in the ultrasonic range |
摘要 |
A generator for spherical ultrasonic waves can replace a point source transducer and has a large-area transducer whose output ultrasonic waves are condensed in a funnel and fed to a monomodal waveguide, e.g. a tube at the output end of which phase-correct perfectly spherical waves are emitted.
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申请公布号 |
US5828627(A) |
申请公布日期 |
1998.10.27 |
申请号 |
US19960725351 |
申请日期 |
1996.09.26 |
申请人 |
SONIDENT ANSTALT LIECHTENSTEINISCHEN RECHTS |
发明人 |
BICZ, WIESLAW |
分类号 |
G01N29/24;A61B5/117;A61B8/00;A61B8/08;G01S7/521;G01S7/523;G10K11/08;G10K11/22;H04R1/30;H04R17/00;(IPC1-7):H04R17/00 |
主分类号 |
G01N29/24 |
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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