Patent ID: 7032968
Filing Date: 2006-04-25
Classification: B60R

Abstract:
1. An occupant judging device for a vehicle seat provided with a seatbelt and mounted in a vehicle that includes a door, the occupant judging device comprising: a load sensor for detecting a load applied to the vehicle seat; a controller for calculating a detected load value based on an output from the load sensor and determining an occupant on the vehicle seat by comparing the detected load value and a predetermined threshold value; a first detecting means for detecting whether the seatbelt is fastened or not; and a second detecting means for detecting whether the door is opened or closed, wherein the controller judges that a child restraint device on the seat is installed by detecting a decrease state of the detected load value after the seatbelt is fastened being maintained for a first predetermined time when the seatbelt is fastened and the door is opened and the decrease state being maintained for a second predetermined time when the seatbelt is fastened and the door is closed.