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Arrangement for operating a wiper

  • US 5,789,888 A
  • Filed: 05/28/1996
  • Issued: 08/04/1998
  • Est. Priority Date: 05/27/1995
  • Status: Expired due to Fees
First Claim
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1. An arrangement for operating a wiper, comprising:

  • a sensor for detecting a wetting state of a pane and outputting a sensor signal based thereon;

    an evaluator for receiving the sensor signal from the sensor, and evaluating the sensor signal; and

    an actuator for actuating the wiper, the actuator being actuated by the evaluator to produce one of a plurality of wiping modes, the wiping modes including a predetermined wiping mode for a heaving wetting state,wherein the evaluator includes;

    evaluation means for determining whether the heavy wetting state occurs after a wiping breaks, andprocessing means, actuated by the evaluation means, for causing the actuator to change-over to the predetermined wiping mode within a first time period if the heaving wetting stage occurs after a wiping break, andwherein the evaluator causes the actuator to change-over to the predetermined wiping mode in a second time period if the heavy wetting state is not preceded by a wiping break, the second time period being longer than the first time period.

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