Alliedsignal Inc.

The Bendix Corporation

Lansing B Evans

Chris J Walter

William R Seitz

Gerald A Brumm

Robert W Brown

Harry R Farrah

Display apparatus and method having window shade heating. The display has an active matrix LCD with a plurality of elements and a backlight having a variable brightness. During warm-up of the display, the operating temperature will be below the normal operating temperature. To decrease warm-up time, the LCD elements are darkened and the brightness of the backlight is increased.

Liquid crystal display with a fast warm up

Disclosed is a moving map display having a mass memory storing a complete map of the terrain to be traversed by a vehicle, a scan memory storing a portion of the complete map corresponding to the area immediately surrounding the vehicle, a computer for controlling the updating of the portion of map stored in the scan memory and for controlling the refreshing of the map data displayed on a cathode ray tube display, a scan memory address generator receiving parameters computed by the computer for generating addresses sequential outputting the digital map data stored in the scan memory in a predetermined sequence, a video display generator for converting the map data output from the scan memory for utilization by the cathode ray tube display, and a timing generator for synchronizing the generation of the addresses by the scan memory address generator with the scan field of the cathode ray tube display.

Moving map display

Growing community of inventors

Boca Raton, FL, United States of America

Lansing B Evans