| 摘要 |
A pressure sensor, in particular for pneumatic tire of a wheel, including two chambers and a flexible membrane between them, whereas the membrane is fitted with an electrically conductive component that co-operates with electric contacts included in the electronic signal transmitter circuit, characterized in that at least one of the chambers (A, B) includes at least one wall (32, 132, 152, 178, 232, 240, 242, 278) made of an air-pervious material.<IMAGE>
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