Abstract:
A DEVICE FOR GENERATING ELECTRICAL SINE AND COSINE FUNCTION SIGNALS CORRESPONDING TO THE ANGLE OF MOVEMENT OF A ROTATABLE INPUT SHAFT WHEREIN A SPINDLE IS FORMED INTEGRAL WITH ONE END OF THE SHAFT AND AT AN ACUTE ANGLE THERETO. THE SPINDLE ROTATABLY SUPPORTS A BRUSH CARRIER CARRYING TWO WIPER BRUSHES LOCATED AT 90 DEGREES TO EACH OTHER. THE BRUSHES WIPE ALONG RESPECTIVE ONES OF A PAIR OF LINEARLY WOUND POTENTIOMETER WINDINGS TO PRODUCE OUTPUT SIGNALS WHICH ARE 90 DEGREES OUT OF PHASE WITH EACH OTHER.