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ULTRASONIC MEASUREMENT APPARATUS AND ULTRASONIC IMAGING APPARATUS
专利权人:
セイコーエプソン株式会社
发明人:
新井 義雄
申请号:
JP2014222471
公开号:
JP6398616B2
申请日:
2014.10.31
申请国别(地区):
JP
年份:
2018
代理人:
摘要:
PROBLEM TO BE SOLVED: To provide an ultrasonic measurement apparatus, an ultrasonic imaging apparatus, etc. capable of removing a harmonic component of a transmission wave input in an ultrasonic transducer element and suppressing transient response of the transmission wave.SOLUTION: An ultrasonic measurement apparatus 100 includes: a pulse signal output circuit 110 for outputting a pulse signal of a rectangular wave based on a clock signal and a resonance circuit 120 connected to an output node of the pulse signal output circuit 110, and that includes an ultrasonic transducer element and has frequency characteristics of a low-pass filter. The pulse signal output circuit 110 outputs a plurality of pulse signals in which at least one of pulse voltage and pulse width of the pulse signal, and pulse output timing is different.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2016,JPO&INPIT
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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