Patents by Inventor Nicolaas J. Visser

Nicolaas J. Visser has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Control system
    Patent number: 4980628
    Abstract: An electronic processing circuit 17 compares digital signals representing the position of a number of mutually connected control members to the contents of an electronic memory 18. On detecting a difference indicating the displacement of the position of one of the control members, the circuit 17 actuates those motors of motors 4, 5, 6 which are associated with the non-actuated control members in order to make them folllow the displacement. Excessive displacements indicating a fault are shown on an indicator 19.
    Type: Grant
    Filed: June 27, 1989
    Date of Patent: December 25, 1990
    Assignee: Stork Kwant B.V.
    Inventor: Nicolaas J. Visser