Anti-pinch sensor
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United States of America Patent
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Jul 24, 2012
Grant Date -
Jun 11, 2009
app pub date -
Nov 28, 2008
filing date -
Nov 30, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
An Anti-pinch sensor, in particular for detecting an obstacle in the path of an actuator of a motor vehicle is provided. The anti-pinch sensor includes a first measurement electrode and a second electrically isolated measurement electrode spaced a distance from the first measurement electrode, wherein the first measurement electrode is designed to generate an external electric field with respect to the second measurement electrode, and wherein the first and second measurement electrodes are elastically supported relative to an electrically isolated ground electrode. In addition, a sensor device having such an anti-pinch sensor is disclosed. The anti-pinch sensor is suitable as both a contactless and a tactile sensor. Detection of surface deposits of contaminants or water is easily possible.
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