Patents by Inventor Peter B. Jamieson

Peter B. Jamieson 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).

  • Industrial X-ray system
    Patent number: 4707435
    Abstract: Industrial radiographic systems having low grainines and high information density may be constructed with intensifying screens sandwiching radiation sensitive elements having emulsions wherein the average size of the silver halide grains is less than 0.4 micrometers.
    Type: Grant
    Filed: April 13, 1983
    Date of Patent: November 17, 1987
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Thomas D. Lyons, Peter B. Jamieson
  • Continuous tone recording system incorporating feedback control circuit
    Patent number: 4583128
    Abstract: A continuous tone image recording system comprises a solid state laser diode capable of sending out an analog signal-controlled pulsed beam of light, a continuous feedback circuit for stabilizing the laser diode light output, and an optical system for changing the path of the beam of light. The laser beam scans across a photosensitive receptor surface to provide scanned lines, which are positioned along the length of the receptor surface so as to provide images containing at least 64 levels of gray on transparent recording media or at least 32 levels of gray on opaque media.
    Type: Grant
    Filed: August 27, 1984
    Date of Patent: April 15, 1986
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Walter F. Anderson, Jr., Gary R. Ashton, Peter B. Jamieson
  • Light-handleable photographic materials
    Patent number: 4232116
    Abstract: Ultraviolet radiation sensitive photographic film material comprising a silver halide emulsion of at least 50 mole % silver chloride and a yellow filter dye over said silver halide emulsion layer.
    Type: Grant
    Filed: January 31, 1979
    Date of Patent: November 4, 1980
    Assignee: Minnesota Mining and Manufacturing Company
    Inventor: Peter B. Jamieson
  • Light-handleable photographic materials
    Patent number: 4140531
    Abstract: Ultraviolet radiation sensitive photographic film material comprising a silver halide emulsion of at least 50 mole % silver chloride and a yellow filter dye over said silver halide emulsion layer.
    Type: Grant
    Filed: August 31, 1976
    Date of Patent: February 20, 1979
    Assignee: Minnesota Mining and Manufacturing Company
    Inventor: Peter B. Jamieson