Patent ID: 6819067
Filing Date: 2004-11-16
Classification: B60S,H01H,Y10S

Abstract:
A contact-disk system for controlling a windshield wiper motor, comprising:a control unit; a rotatable contact disk having a plurality of paths, the plurality of paths including electrically conductive segments and electrically insulating segments, a plurality of logic states being encoded by the plurality of paths and by the electrically conductive segments and the electrically insulating segments; and a plurality of contact elements, each of the contact elements being associated with one of the plurality of paths; wherein the plurality of logic states includes more than 2n logic states, n representing a number of the plurality of paths; and wherein the plurality of logic states include a first state corresponding to an upper reversing position, a second state corresponding to a wiping field, a third state corresponding to a state before a park position, a fourth state corresponding to a park position, a fifth state corresponding to a state after the park position, and a sixth state corresponding to an extended park position.