Impact sensor
First Claim
Patent Images
1. An impact sensor for a vehicle, comprising:
- at least one strain-sensitive sensor element which comprises a sensor material disposed as a layer on a carrier element, said sensor material being a nickel-containing hydrogenated amorphous carbon material, andat least two terminals disposed at opposite ends of the carrier element, between which the sensor material is electrically connected.
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Accused Products
Abstract
An impact sensor for a vehicle. The impact sensor includes at least one strain-sensitive sensor element which comprises a sensor material, and at least two terminals, between which the sensor material is electrically connected. The sensor material is a metal-containing carbon material.
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Citations
17 Claims
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1. An impact sensor for a vehicle, comprising:
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at least one strain-sensitive sensor element which comprises a sensor material disposed as a layer on a carrier element, said sensor material being a nickel-containing hydrogenated amorphous carbon material, and at least two terminals disposed at opposite ends of the carrier element, between which the sensor material is electrically connected. - View Dependent Claims (2, 3, 4, 5, 6)
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7. An impact detection system for a vehicle, comprising at least one impact sensor, said impact sensor comprising:
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at least one strain-sensitive sensor element which comprises a sensor material disposed as a layer on a carrier element, said sensor material being a nickel-containing hydrogenated amorphous carbon material, and at least two terminals disposed at opposite ends of the carrier element, between which the sensor material is electrically connected. - View Dependent Claims (8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. A method for impact detection for a vehicle, with at least one impact sensor, said impact sensor comprising:
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at least one strain-sensitive sensor element which comprises a sensor material disposed as a layer on a carrier element, said sensor material being a nickel-containing hydrogenated amorphous carbon material, and at least two terminals disposed at opposite ends of the carrier element, between which the sensor material is electrically connected; the method comprising the steps of; measuring the electrical resistance of the at least one impact sensor; and identifying an impact situation based on a variation said electrical resistance.
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Specification