Patents by Inventor Wigle F. Smits

Wigle F. Smits 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).

  • Patent number: 4638500
    Abstract: A method of determining the optimum values of voltage and current for operation of an X-ray source by choosing a point of intersection at the lowest voltage value of a curve representing an operating range limitation function of the X-ray source with a curve representing a current-voltage function that passes through a desired operating current value that is determined by means of one or more exposure measurements.
    Type: Grant
    Filed: February 19, 1976
    Date of Patent: January 20, 1987
    Assignee: U.S. Philips Corporation
    Inventors: Wigle F. Smits, Willem E. Spaak