Patents Assigned to Minnesota Mining and Manufacturng Company
  • Digital motor control system
    Patent number: 4218735
    Abstract: A digital motor control system is provided to regulate the speed of a variable speed motor. Information concerning the speed and acceleration of the variable speed motor is used to generate a correction signal which causes the measured speed of the variable speed motor to approach the desired target speed.
    Type: Grant
    Filed: October 5, 1978
    Date of Patent: August 19, 1980
    Assignee: Minnesota Mining and Manufacturng Company
    Inventor: James T. McCutcheon