1
Kent D Vincent: Colorimeter and calibration system. Hewlett Packard Company, December 21, 1993: US05272518 (210 worldwide citation)

Apparatus for monitoring, converting and calibrating the spectra displayed by a colored object, using wavelength dispersion provided by a variable wavelength filter. The apparatus may serve as a spectrophotometer, as a colorimeter, or as a spectroradiometer or other device that monitors and calibrat ...


2
Kent D Vincent: Variable wavelength light filter and sensor system. Hewlett Packard Company, September 1, 1992: US05144498 (110 worldwide citation)

Light filter apparatus for receiving a light beam having wavelengths in a selected band and for dispersing the light into a plurality of rays, with each ray having a different wavelength for which the intensity peaks. The peak wavelength varies approximately continuously with displacement of spatial ...


3
Kent D Vincent, John P Ertel: Device to assure paper flatness and pen-to-paper spacing during printing. Hewlett Packard Company, November 12, 1991: US05065169 (79 worldwide citation)

A printer includes an inkjet pen to eject ink drops for printing on the surface of a sheet, a carriage mounted to carry the pen back and forth on the sheet, and a skid-like spacer to ride upon the printed surface. The spacer maintains a preselected spacing between the pen and the printed surface and ...


4
Kent D Vincent: Heated transfer line for capillary tubing. Hewlett Packard Company, Jeffery B Fromm, April 5, 1988: US04735259 (79 worldwide citation)

A heated transfer line for heating a small glass capillary tube is disclosed. The transfer line is small and removable yet highly efficient, capable of uniformly heating a glass capillary tube over a 5-inch length to more than 400 degrees with less than 30 watts of power. The power is applied to an ...


5
John Ertel, William D Holland, Kent D Vincent, Rueiming Jamp, Richard R Baldwin: Substrate advance measurement system using cross-correlation of light sensor array signals. Hewlett Packard Company, September 22, 1992: US05149980 (73 worldwide citation)

Method and apparatus for determining the distance a sheet of paper, or other reflective or transmissive substrate material with a suitable, approximately planar surface, has moved in a given direction. The substrate is illuminated by reflection or transmission of light at non-normal incidence, and a ...


6
Kent D Vincent, Hans D Neumann: Color combiner and separator and implementations. Hewlett Packard Company, William W Cochran II, September 26, 1989: US04870268 (72 worldwide citation)

The trichromatic beamsplitter consists of composited dichroic beamsplitter plates that separate a projected image into its three color components with spatial as well as spectral precision. The three linear array photosensor comprises a monolithic sensor having three parallel photodiode arrays space ...


7
Kent D Vincent: Color imager utilizing novel trichromatic beamsplitter and photosensor. Hewlett Packard Company, Saundra S Hand, November 24, 1987: US04709144 (56 worldwide citation)

The trichromatic beamsplitter consists of composited dichroic beamsplitter plates that separate a projected image into its three color components with spacial as well as spectral precision. The three linear array photosensor comprises a monolithic sensor having three parallel photodiode arrays space ...


8
Kent D Vincent, Carl A Myerholtz: Forensic sample tracking system and print station therefor. Hewlett Packard Company, Robert P Sabath, Edward Y Wong, August 8, 1989: US04855909 (55 worldwide citation)

A forensic sample and tracking system includes a computer system which operates a data base and a read/write station. The assignment of an identifier in the data base and an identification code to be printed on a sample bottle label are coordinated by the computer. An identification code can then be ...


9
Kent D Vincent, John P Ertel: Heater assembly for printers. Hewlett Packard Company, August 20, 1991: US05041846 (53 worldwide citation)

In an inkjet printer, heaters are mounted to travel with an inkjet pen to expose print lines on sheets to localized heat substantially simultaneously with printing. After printing, sheets are ironed with a heated roller member to further dry ink and to prevent cockling.


10
Kent D Vincent, Rueiming Jamp: Method and apparatus for extracting information from forms. Hewlett Packard Company, April 23, 1991: US05010580 (49 worldwide citation)

A system for extracting handwritten or typed information from forms that have been printed in colors other than the color of the handwritten or typed information. The information extraction system includes a detector for detecting color values for scanned pixel locations on a printed form; a compara ...