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APPAREIL DE DIAGNOSTIC À ULTRASONS ET PROCÉDÉ DE FONCTIONNEMENT DE L'APPAREIL DE DIAGNOSTIC À ULTRASONS
专利权人:
Fujifilm Corporation
发明人:
申请号:
EP19174171.9
公开号:
EP3586979A1
申请日:
2019.05.13
申请国别(地区):
EP
年份:
2020
代理人:
摘要:
An ultrasound transducer unit including a plurality of ultrasound transducers transmits and receives ultrasound waves to and from an inside of a subject. In a case where a checking operation unit is operated, a controller controls a driving voltage supply unit such that a driving voltage is supplied with all of the plurality of ultrasound transducers as driving target transducers. In a case where the checking operation unit is operated, a depolarization determination unit calculates, for each ultrasound transducer, a reception sensitivity in a case where an ultrasound wave is received by driving all of the plurality of ultrasound transducers as the driving target transducers, and determines whether or not a depolarization determination value calculated from the reception sensitivity of each ultrasound transducer satisfies numerical conditions. If the numerical conditions are satisfied, a polarization voltage supply unit supplies a polarization voltage to each of the plurality of ultrasound transducers.
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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