Patents Assigned to Process Automation Business, Inc.
  • Patent number: 4801809
    Abstract: Disclosed are sheet inspection apparatus and methods for rapid, repetitive measurement of a quality attribute in each of a plurality of measurement zones of a continuously-manufactured sheet of material, wherein measurement is based on the interaction of one or more radiation wavelength bands with one or more constituents of the sheet. Simultaneous resolution of measurement zones is provided in both scanning and non-scanning applications.
    Type: Grant
    Filed: July 13, 1987
    Date of Patent: January 31, 1989
    Assignee: Process Automation Business, Inc.
    Inventors: Gary N. Burk, Paul Williams