| 摘要 |
<p>A sensor ( 8 ) for the backrest of the seat of a motor vehicle, designed to control the position of the back of the occupant, is made up of a shell ( 9 ) of contained thickness, preferably made of plastic material, connectable via wire means ( 5 ) to the supporting bars ( 3 ) of the headrest ( 2 ), and provided at the front with a part ( 12, 15 ) associated to means ( 16, 19 ) for activation of an alarm device ( 18, 21 ).</p> |
