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Capacitance sensing in motor vehicles allows for protection in power windows, sunroofs, liftgates and sliding doors. It also provides greater design freedom of operator interfaces that include switch entry and fingerprint sensing. Fingerprint sensing adds new levels of security for the access and starting of a vehicle thus allowing for the elimination of keys. This paper describes the design and operation of various systems that could employ capacitive sensing technology including keyless entry, operator controls, and safety related sensing. Also discussed are vehicle installation, safety enhancement, and ergonomic benefits.

Sir Galahad™ anti-trap windows prevent injury and death, creating a new standard of care for automotive power closures. NHTSA estimates 500 people, approximately 50% of which are children, are treated in hospital emergency rooms each year for injuries related to power windows [11]. Sir Galahad™ technology is easy to install and works on all applications, independent of window shape or geometry. The system is ideally suited for power windows, sunroofs, tailgates, sliding doors, trunks and any other power closures. This paper describes the design and operation of Sir Galahad™ anti-trap windows, including experience of sensitivity response to both animate and inanimate objects. Also discussed are vehicle installation, performance test results, and competitive performance comparisons.