| 发明名称 | Device for detecting a selvage of a material web | ||
| 摘要 | A device for detecting a selvage of a material web or the selvage position in one measuring direction. The device comprises at least one ultrasonic sensor, with the ultrasonic sensor comprising a transmitter element and a receiver element. The external contour of at least one of the transmitter elements and/or of the receiver elements comprises at least one arc segment side and at least one flattened side. | ||
| 申请公布号 | US8789421(B2) | 申请公布日期 | 2014.07.29 |
| 申请号 | US201113069550 | 申请日期 | 2011.03.23 |
| 申请人 | TexMag GmbH Vertriebsgesellschaft | 发明人 | Krauth Wolfgang;Zwerger Lars |
| 分类号 | H01L41/08;G01N29/24 | 主分类号 | H01L41/08 |
| 代理机构 | Fish & Richardson P.C. | 代理人 | Fish & Richardson P.C. |
| 主权项 | 1. A device for detecting a selvage of a material web or the selvage position in one measuring direction, the device comprising: at least one ultrasonic sensor operable to detect the selvage or the selvage position, wherein the ultrasonic sensor comprises a transmitter element and a receiver element, wherein the external contour of the transmitter element, the external contour of the receiver element, or the external contours of both the transmitter element and the receiver element comprises at least one arc segment side and at least one flattened side, wherein at least one of the transmitter element or the receiver element comprises a piezoelectric element surrounded by a sound transmission material, and wherein the external contour of the sound transmission material comprises at least one arc segment side and at least one flattened side. | ||
| 地址 | Thalwil CH | ||