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Title:
ULTRASONIC IMAGING APPARATUS
Document Type and Number:
Japanese Patent JPS6092744
Kind Code:
A
Abstract:
An ultrasound transducer (110) having an annular acoustic aperture is utilized in combination with an echo- ultrasound imaging system having an FM detector (160). 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.

Inventors:
KIYASUPAA UIRIAMU BAANESU
Application Number:
JP20069984A
Publication Date:
May 24, 1985
Filing Date:
September 27, 1984
Export Citation:
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Assignee:
PHILIPS CORP
International Classes:
A61B8/00; A61B8/14; G01S15/89; (IPC1-7): A61B8/14
Domestic Patent References:
JP49108687B