Patents Examined by Darling: John P.
  • Web supply/take-up tension arm feedback system
    Patent number: 5402957
    Abstract: A nonlinear feedback positioning system that maintains relatively uniform tension in a web that travels between a reel and a drive at a position that is between the reel and the drive. The feedback system is designed to maintain a web loop at relatively uniform length and regulate the tension that is applied to the web that is wound on the reel.
    Type: Grant
    Filed: November 9, 1993
    Date of Patent: April 4, 1995
    Assignee: Eastman Kodak Company
    Inventor: Stuart G. Evans