Patents Assigned to Avionic Displays Corporation
  • Night vision inclinometer
    Patent number: 5467533
    Abstract: An inclinometer which is compatible for use with night vision equipment on aircraft and other vehicles. The inclinometer includes a white zirconia sphere movable within a damping liquid of a liquid capsule.
    Type: Grant
    Filed: January 28, 1994
    Date of Patent: November 21, 1995
    Assignee: Avionic Displays Corporation
    Inventor: William R. Dunn
  • Display for electronic indicator
    Patent number: 5467085
    Abstract: The invention describes a liquid crystal display having an enlarged viewing area by moving the liquid crystal glass from the chassis portion of the assembly to the bezel portion of the assembly. In one preferred embodiment the viewing area of a horizontal situation indicator on an aircraft instrument panel may be increased by fifty percent or more.
    Type: Grant
    Filed: November 10, 1992
    Date of Patent: November 14, 1995
    Assignee: Avionic Displays Corporation
    Inventor: William R. Dunn
  • Soft start of lamp filament
    Patent number: 5451841
    Abstract: A method is provided in which a relatively cold lamp filament may be turned on for a brief period of time, then turned off, then turned on again, then off again, and this process repeated for successively longer periods of on time, until eventually the filament power is left on continuously. This "pulse starting" may be controlled by a programmable microcontroller in association with a power supply to the lamp filament. The result is a longer lasting lamp filament.
    Type: Grant
    Filed: January 28, 1994
    Date of Patent: September 19, 1995
    Assignee: Avionic Displays Corporation
    Inventors: William R. Dunn, James E. Strickling, III, Joseph W. Goode, III
  • Backlighting for liquid crystal display
    Patent number: 5440324
    Abstract: Described is a backlighting module that may be used in an electronic liquid crystal display device. The backlighting includes one or more lamps within a cavity of the module. The lamps are capable of a wide range of luminance including low-level luminance achieved by a unique burst modulation scheme for driving the lamps.
    Type: Grant
    Filed: December 30, 1992
    Date of Patent: August 8, 1995
    Assignee: Avionic Displays Corporation
    Inventors: James E. Strickling, III, Joseph W. Goode, III, William R. Dunn