CAPACITIVE SENSOR ASSEMBLY
First Claim
Patent Images
1. A capacitive sensor assembly for a motor vehicle comprising:
- a capacitive sensor element, which comprises at least one first electrical conductor element and which is to be connected to an evaluation unit, which detects and evaluates at least one measured value depending on the capacitive coupling of the capacitive sensor element to its surrounding, anda reference conductor element, which defines an electrical reference potential and which is being arranged with a distance from the first electrical conductor element,wherein the first electrical conductor element is designed as an outer conductor element which surrounds the reference conductor element as the inner conductor,wherein a second conductor element continues additionally between the first conductor element as outer conductor element and the reference conductor element as inner conductor, andwherein the first and the second conductor element as well as the reference conductor element form an n-axial cable design.
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Abstract
A capacitive sensor assembly for a motor vehicle is provided. The capacitive sensor assembly includes a capacitive sensor element which has at least one first electrical conductor element, and a reference conductor element defining an electrical reference potential and being interspaced from the first electrical conductor element. The first electrical conductor element is designed as an outer conductor surrounding the reference conductor element which represents the inner conductor.
9 Citations
29 Claims
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1. A capacitive sensor assembly for a motor vehicle comprising:
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a capacitive sensor element, which comprises at least one first electrical conductor element and which is to be connected to an evaluation unit, which detects and evaluates at least one measured value depending on the capacitive coupling of the capacitive sensor element to its surrounding, and a reference conductor element, which defines an electrical reference potential and which is being arranged with a distance from the first electrical conductor element, wherein the first electrical conductor element is designed as an outer conductor element which surrounds the reference conductor element as the inner conductor, wherein a second conductor element continues additionally between the first conductor element as outer conductor element and the reference conductor element as inner conductor, and wherein the first and the second conductor element as well as the reference conductor element form an n-axial cable design. - View Dependent Claims (2, 3, 4, 7, 8, 10, 11, 13, 15, 21, 22, 23, 25, 26, 27, 28, 29)
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Specification