Patent ID: 7400947

Claim:
A seat status detecting device comprising: a seat slide portion provided at a seat; a magnetic sensor provided at the seat slide portion for detecting a seat status by way of a steel plate, the magnetic sensor comprising a first magnet, a second magnet, and a detection element, the detection element being arranged at a portion between the first magnet and the second magnet for detecting a change in the balance of magnetic force between the first and second magnets; a protective cover assembled onto the magnetic sensor for surrounding the magnetic sensor, the protective cover including a first wall portion provided above the magnetic sensor while keeping a first predetermined distance therefrom and a second wall portion provided on a side of the magnetic sensor while keeping a second predetermined distance therefrom and extending downwardly relative to the magnetic sensor for surrounding the magnetic sensor, the protective cover preventing foreign objects from deteriorating performance of the magnetic sensor; wherein when the seat slide portion moves in a predetermined direction, the first magnet is arranged close to the steel plate that is positioned opposite to the detection element.