CN101718538B - 电磁超声测厚仪器信号接收放大装置 - Google Patents
电磁超声测厚仪器信号接收放大装置 Download PDFInfo
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- CN101718538B CN101718538B CN2009102423705A CN200910242370A CN101718538B CN 101718538 B CN101718538 B CN 101718538B CN 2009102423705 A CN2009102423705 A CN 2009102423705A CN 200910242370 A CN200910242370 A CN 200910242370A CN 101718538 B CN101718538 B CN 101718538B
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CN2009102423705A CN101718538B (zh) | 2009-12-14 | 2009-12-14 | 电磁超声测厚仪器信号接收放大装置 |
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CN2009102423705A CN101718538B (zh) | 2009-12-14 | 2009-12-14 | 电磁超声测厚仪器信号接收放大装置 |
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CN101718538A CN101718538A (zh) | 2010-06-02 |
CN101718538B true CN101718538B (zh) | 2012-11-14 |
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Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103308011B (zh) * | 2013-05-24 | 2016-08-10 | 南京航空航天大学 | 一种超声膜厚测量仪及其测量方法 |
CN105572232B (zh) * | 2016-02-29 | 2019-08-13 | 中国特种设备检测研究院 | 低频电磁超声导波接收信号的放大方法和装置 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4564810A (en) * | 1981-09-30 | 1986-01-14 | The Boeing Company | Aluminum cladding thickness measurement probe and instrument having an automatic calibration and readout circuit coupled to a differential amplifier circuit |
CN2140049Y (zh) * | 1992-10-31 | 1993-08-11 | 王新平 | 便携式电磁和压电超声合成测厚仪 |
JP2003065706A (ja) * | 2001-08-22 | 2003-03-05 | Nippon Steel Corp | 導電体の厚み測定装置 |
CN201359621Y (zh) * | 2009-02-20 | 2009-12-09 | 厦门红相电力设备股份有限公司 | 一种检测暂态对地电压信号的传感器 |
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4564810A (en) * | 1981-09-30 | 1986-01-14 | The Boeing Company | Aluminum cladding thickness measurement probe and instrument having an automatic calibration and readout circuit coupled to a differential amplifier circuit |
CN2140049Y (zh) * | 1992-10-31 | 1993-08-11 | 王新平 | 便携式电磁和压电超声合成测厚仪 |
JP2003065706A (ja) * | 2001-08-22 | 2003-03-05 | Nippon Steel Corp | 導電体の厚み測定装置 |
CN201359621Y (zh) * | 2009-02-20 | 2009-12-09 | 厦门红相电力设备股份有限公司 | 一种检测暂态对地电压信号的传感器 |
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Effective date of registration: 20160616 Address after: 100081 Beijing sorghum Bridge ramp street, No. 13, No. Patentee after: NCS Testing Technology Co., Ltd. Address before: 100081 Haidian District Institute of South Road, Beijing, No. 76 Patentee before: Central Iron & Steel Research Institute |
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Address after: No. 13, sorghum Bridge, Beijing, Beijing, Haidian District Patentee after: The detection technology of NCS Limited by Share Ltd Address before: No. 13, sorghum Bridge, Beijing, Beijing, Haidian District Patentee before: NCS Testing Technology Co., Ltd. |