超音波診断装置
- 专利权人:
- 日立アロカメディカル株式会社
- 发明人:
- 金子 琢哉,曹 景文
- 申请号：
- JP2009200663
- 公开号：
- JP5345481B2
- 申请日:
- 2009.08.31
- 申请国别(地区):
- JP
- 年份:
- 2013
- 代理人:
- 摘要：
PROBLEM TO BE SOLVED: To reduce a side lobe and simplify constitution and control when two-dimensionally scanning ultrasonic beams using a two-dimensional array transducer in a three-dimensional ultrasonograph.
SOLUTION: A sub array pattern set on the two-dimensional array transducer 16 has four sub array groups A-D. Each sub array group A-D includes a plurality of X-directional connection bodies (vertically-long pairs) Px and a plurality of Y-directional connection bodies (laterally-long pairs) Py and those are closely and mixedly formed. Each X-directional connection body Px consists of a plurality of vertically-long sub arrays aligned in the X direction, while each Y-directional connection body Py consists of a plurality of laterally-long sub arrays aligned in the Y direction. Each sub array has a rectangular shape and the plurality of sub arrays with the same shape are aligned to constitute a square connection body, thereby attaining the diversity and closeness on the sub array pattern.
COPYRIGHT: (C)2011,JPO&INPIT
- 来源网站：
- 中国工程科技知识中心
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