Patent ID: 6727823
Filing Date: 2004-04-27
Classification: B60N,B60R

Abstract:
A passenger detection system comprising:a weight detecting device arranged and configured to detect weight on a seat; a door status detecting device arranged and configured to detect open/closed door status of a vehicle door; a storage device arranged and configured to store a reference weight, said reference weight being set to a subsequent detected weight if said subsequent detected weight is lighter than a prior detected weight by an amount greater than or equal to a prescribed value after a first condition has been established indicating that the door status detected by said door status detecting device has changed from a door closed state to a door open state, and a second condition has been established indicating that the weight detected by said weight detecting device has changed from said prior detected weight to said subsequent detected weight; and a determining device arranged and configured to determine if an object is present on the seat based on a difference between current detected weight by said weight detecting device and said reference weight stored in said storage device.