| 摘要 |
<p>The drive device (100) has an electric motor (105), a gearbox (110) with a drive shaft (115) for connection with the wiper arm, and a switching device for generating a signal with falling signal flank. The switching device has a switching recess (135) coupled with the drive shaft, and a contact spring (155), which is removed from a contact surface (150) through the switching recess. The electrical connection between a contact portion (165) of the contact spring and the contact surface is interrupted depending on the position of the drive shaft.</p> |
