COMBINATION CAPACITIVE AND RESISTIVE OBSTACLE SENSOR

An obstacle sensor for a closure panel of a vehicle includes an elongate non-conductive case which encloses a first, second, and third elongate conductive electrodes. The first and second electrodes are separated by a portion of the case, with a capacitance between the first and second electrodes ch...

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Bibliographische Detailangaben
Hauptverfasser:	Porat Alex, Mellary Thomas, Dezorzi Timothy, Bolbocianu Liviu, Nayani Anjan, Schattenmann Erik, Pribisic Mirko, Corner Allan
Format:	Patent
Sprache:	eng
Schlagworte:	ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVEREDIN A SINGLE OTHER SUBCLASS BASIC ELECTRONIC CIRCUITRY CHECKS FOR WINGS DETECTING MASSES OR OBJECTS DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION ELECTRICITY FIXED CONSTRUCTIONS GEOPHYSICS GRAVITATIONAL MEASUREMENTS KEYS LOCKS MEASURING MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR PHYSICS PULSE TECHNIQUE SAFES TARIFF METERING APPARATUS TESTING WINDOW OR DOOR FITTINGS WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THEFUNCTIONING OF THE WING
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Beschreibung
Zusammenfassung:	An obstacle sensor for a closure panel of a vehicle includes an elongate non-conductive case which encloses a first, second, and third elongate conductive electrodes. The first and second electrodes are separated by a portion of the case, with a capacitance between the first and second electrodes changing when an obstacle approaches the first electrode. The changed capacitance of the obstacle sensor provides a proximity indication of the obstacle to the obstacle sensor. The second and third electrodes are separated by an air gap formed in the case, with a resistance between the second and third electrodes changing when the second and third electrodes come into contact upon compression of the case by the obstacle. The changed resistance of the obstacle sensor provides a contact indication of the obstacle with the obstacle sensor.