Weight sensing device for motor vehicle seat, has optical fiber integrated in flexible spaced interlaced yarn provided for seat ventilation, and transmission value determining unit for determining active transmission value of optical fiber

摘要

The device has an optical fiber (2) exhibiting relocation in a plane parallel to a surface of a vehicle seat. A transmission value determining unit (4) determines the active transmission value of the optical fiber. The optical fiber is integrated in a flexible spaced interlaced yarn (3) provided for ventilating the seat. The relocation plane produces a meander shaped pattern in the yarn. The device is arranged inside the seat. An independent claim is also included for a vehicle seat with a weight sensing device.