Burns, Doane, Swecker & Mathis, LLP
Seat belt warning device
 A seat belt warning device includes a sitting detection switch which is adapted to be in an on-state when a person sits on a vehicle seat and in an off-state when a person is not sitting on the vehicle seat, and a fastening detection switch which is connected to the sitting detection switch in series and adapted to be in an on-state when a seat belt is not fastened and in an off-state when the seat belt is fastened. A warning member is connected to the sitting detection switch and the fastening detection switch in series and is supplied with electric current in the on-state of the sitting detection switch and the on-state of the fastening detection switch to issue a warning. 
Aisin Seiki Kabushiki Kaisha
B B B B
B60R B60R B60R B60R
additional inventional additional additional
Hitoshi Yasuaki Shoji
Takayanagi Suzuki Okada