发明名称 |
UNA INSTALACION DE FORMACION DE IMAGENES MEDIANTE ULTRASONIDOS |
摘要 |
<p>An ultrasound transducer having an annular acoustic aperture is utilized in combination with an echo-ultrasound imaging system having an FM detector. The off-axis transfer function characteristics of the annular transducer substantially improve the lateral resolution of the imaging system as compared with prior art systems which utilized round or rectangular transducer apertures.</p> |
申请公布号 |
ES536294(D0) |
申请公布日期 |
1986.04.01 |
申请号 |
ES19940005362 |
申请日期 |
1984.09.27 |
申请人 |
NORTH AMERICAN PHILIPS CORPORATION |
发明人 |
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分类号 |
A61B8/14;A61B8/00;G01S15/89;(IPC1-7):H04N5/31 |
主分类号 |
A61B8/14 |
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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