Electrode for an Occupant Sensing System Having Fault Detection and Method of Operating the Same
First Claim
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1. An electrode formed of electrically conductive material configured for use in an occupant sensing system, said electrode comprising:
- an antenna portion configured to provide an electrical impedance indicative of an occupant presence; and
a diagnostic loop portion configured to provide an electrical conductivity indicative of a condition of the electrode.
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Abstract
An electrode formed of electrically conductive material and configured for use in an occupant sensing system. The electrode includes an antenna portion and a diagnostic portion. The antenna portion is configured to provide an electrical impedance indicative of an occupant presence. The diagnostic loop portion is configured to provide an electrical conductivity indicative of a condition of the electrode.
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Citations
18 Claims
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1. An electrode formed of electrically conductive material configured for use in an occupant sensing system, said electrode comprising:
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an antenna portion configured to provide an electrical impedance indicative of an occupant presence; and a diagnostic loop portion configured to provide an electrical conductivity indicative of a condition of the electrode. - View Dependent Claims (2, 3, 4, 5, 6)
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7. An occupant sensing system having fault detection, said system comprising:
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an electrode formed of electrically conductive material for sensing an occupant presence proximate thereto, said electrode comprising an antenna portion configured to provide an electrical impedance indicative of the occupant presence, and a diagnostic loop portion configured to provide an electrical conductivity indicative of a condition of the electrode; and a controller coupled to the electrode, said controller configured to measure the electrical impedance to determine the occupant presence based on the electrical impedance and measure the electrical conductivity to determine the condition of the electrode based on the electrical conductivity. - View Dependent Claims (8, 9, 10, 11, 12, 13)
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14. A method of detecting a fault in an occupant sensing system comprising an electrode formed of electrically conductive material configured to provide an electrical impedance indicative of an occupant presence, said method comprising the steps of:
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configuring the electrode to have a diagnostic loop to provide an electrical conductivity indicative of a condition of the electrode; measuring the electrical conductivity of the diagnostic loop; and determining the condition of the electrode based on the electrical conductivity. - View Dependent Claims (15, 16, 17, 18)
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Specification