×

Door opener control with adaptive limits and method therefor

  • US 5,278,480 A
  • Filed: 10/26/1992
  • Issued: 01/11/1994
  • Est. Priority Date: 10/26/1992
  • Status: Expired due to Term
First Claim
Patent Images

1. An electronic control for a garage door opener having adjustable open and closed position limits and adjustable opening and closing obstruction force sensitivity limits, the control having a learn mode for setting the limits and an operate mode for door opening and closing;

  • the control comprising;

    manually controlled learn switch means for entering a learn mode;

    manually controlled operate switch means for entering an operate mode to control door movement;

    means responsive to the learn switch means for establishing limits of the position and sensitivity;

    means responsive to the operate switch means for operating the control within the established limits; and

    the means for operating the control including limit enhancing means for establishing new limits while in the operate mode.

View all claims
  • 9 Assignments
Timeline View
Assignment View
    ×
    ×