| 摘要 |
Matrix sensor (1, 11) having a laminar body (2, 12) and two families (5, 6) of electrode strips (51, 52, ..., 61, 62, ...) which are aligned orthogonally with respect to one another and disposed on the opposite surfaces (3, 4). For an embodiment (12) which does not have a centre electrode, an evaluation circuit (19) is provided which has switch functions (119, 219) which have to be driven alternately. <IMAGE>
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