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公开(公告)号：US20180329058A1
公开(公告)日：2018-11-15
申请号：US16045256
申请日：2018-07-25
CPC分类号： G01S15/931 , G01S7/521 , G01S7/539 , G01S2015/932 , G01S2015/938
摘要： A sensor device for detecting at least one contact event on a vehicle, in particular a motor vehicle, with at least one impact sound sensor for detecting at least one impact sound signal. At least one impact sound sensor has at least one signal-transferring connection to at least one signal processing means already existing in the vehicle and associated with at least one other sensor means. With this arrangement, at least one impact sound sensor has an impact-sound-transmitting connection to a section of the outer shell of the vehicle. This allows contact events on the vehicle to be detected.
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公开(公告)号：US11706990B2
公开(公告)日：2023-07-18
申请号：US15988917
申请日：2018-05-24
CPC分类号： H10N30/302 , G01L25/00 , G01N29/30 , G01R35/005
摘要： In a method for calibrating at least one sensor, wherein the sensor includes at least one piezoelectric element with at least one electrode, and wherein at least one electrode is embodied as a measurement electrode, it is provided as essential to the invention that an electrical excitation voltage is applied to at least one further electrode of the piezoelectric element, embodied as a calibration electrode, to create a mechanical deformation of the piezoelectric element, that the voltage induced by the deformation of the piezoelectric element is captured with at least one measurement electrode, and that the applied excitation voltage and captured voltage are compared.
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公开(公告)号：US10359399B2
公开(公告)日：2019-07-23
申请号：US15069388
申请日：2016-03-14
IPC分类号： G01N29/07 , G01M17/013 , G01N29/36
摘要： In a method for determining the spatial position of damage on a glass body, in particular on a windshield of a vehicle, comprising at least one structure-borne sound sensor and at least one evaluation unit, it is provided according to the invention that the spatial position of a signal source of at least one structure-borne sound signal generated by means of the damage is detected, that the spatial position of the damage is concluded from the spatial position of the signal source, that the spatial position of the damage is checked for spatial overlapping with a predetermined region on the glass body, that this information goes into an information signal in the case of overlapping, and that the information signal is output.
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