Patents Assigned to RPM Detection, Inc.
  • Zero-motion detection proximity switch
    Patent number: 5341129
    Abstract: An apparatus for detecting of the loss of motion in a transporting system regardless of the position in which the system stops. The apparatus incorporates one or more detection switches coupled with two timers operating in series or parallel and determines when motion has ceased.
    Type: Grant
    Filed: November 7, 1991
    Date of Patent: August 23, 1994
    Assignee: RPM Detection, Inc.
    Inventors: Robert L. Wilson, David P. Minter