Patents by Inventor Peter E. Schmidt

Peter E. Schmidt 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).

  • Optical system
    Patent number: 6552783
    Abstract: An optical system for use in an inspection system is described. The optical system includes an imaging system which may be provided as a multi-spectral band pass image recording system and a lighting system which includes at least one coaxial light and at least one side light to provide spectral discrimination and to provide contrast between a first surface made from a first material and a second surface made from a second different material.
    Type: Grant
    Filed: June 28, 2000
    Date of Patent: April 22, 2003
    Assignee: Teradyne, Inc.
    Inventors: Peter E. Schmidt, Pamela R. Lipson, John C. Bowman