| 发明名称 |
ULTRASONIC IMAGING DEVICE |
| 摘要 |
The waveform of an ultrasonic wave transmitted by a capacitive micro-machined ultrasonic transducer is controlled to improve transmitted sound pressure. The asymmetric waveform of the transmitted ultrasonic wave is made variable according to the voltage value. |
| 申请公布号 |
WO2009063964(A1) |
申请公布日期 |
2009.05.22 |
| 申请号 |
WO2008JP70738 |
申请日期 |
2008.11.14 |
| 申请人 |
HITACHI, LTD.;HITACHI MEDICAL CORPORATION;TANAKA, HIROKI |
发明人 |
TANAKA, HIROKI |
| 分类号 |
A61B8/00 |
主分类号 |
A61B8/00 |
| 代理机构 |
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