| 摘要 |
The invention relates to an ultrasonic sensor (2) in particular a motor vehicle ultrasonic sensor, comprising a housing (4), and a diaphragm (6) which is supported in or on a section (12) of the housing (4) and which has a diaphragm base (8) and a substantially cylindrical wall section (18) adjoining the diaphragm base (8), at least one stabilizing and/or attenuating auxiliary element (22, 30, 32) being arranged on or in the wall section (18) of the diaphragm (6).
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