Patents by Inventor Donald C. Bowles

Donald C. Bowles 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).

  • Display apparatus
    Patent number: 5181013
    Abstract: A cathode ray tube is used to address a spatial light modulator. The light used to read the spatial light modulator is preferably passed through an acoustic optical tunable filter to enable the wavelength and intensity to be rapidly controlled to provide, for example, a multicolor display of variable intensity. This finds particular application in head-up displays for use by pilots of aircrafts.
    Type: Grant
    Filed: October 5, 1989
    Date of Patent: January 19, 1993
    Assignee: GEC-Marconi Limited
    Inventors: John M. Bagshaw, Donald C. Bowles