| 摘要 |
An improved vehicle position monitoring system for a carwash bay of the type having an overhead spray type carwash comprising an optical switch establishing a beam path across the wash bay at the forward end thereof, a second optical switch establishing a beam path across the bay at the rear or entry end thereof, the first and second beam paths being longitudinally spaced apart by substantially more than the longitudinal length of a standard passenger vehicle such that a vehicle may be positioned therebetween and allow both beam paths to be fully established. A logic system within the controller interprets the input information to determine whether or not a vehicle is properly positioned within the wash bay and adjust the wash parameters accordingly.
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