Patents by Inventor Robert J. Duncen

Robert J. Duncen 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).

  • Lead sensing system
    Patent number: 4549087
    Abstract: A system is disclosed for checking on the presence or absence of inserted leads of a component into the openings of a printed circuit board. The system is utilized within a component insertion machine wherein a plurality of optical lead sensors are preferably located within the cut and clinch mechanism. A computer system associated with the optical lead sensors compares the optical readings of the lead sensors with predefined data relating to the presence or absence of leads for each particular component being inserted.
    Type: Grant
    Filed: December 27, 1982
    Date of Patent: October 22, 1985
    Assignee: USM Corporation
    Inventors: Robert J. Duncen, Richard B. Maxner, Jean A. McLean, William H. Mirley, Jr.