Abstract: A method for increasing the speed at which characters may be written onto a liquid crystal display of the type in which a plurality of write cycles must be applied to each picture element that is to become visible. The character writing operation is divided into two or more stages each of which preferably includes an equal number of write cycles. During at least those times when an operator is entering characters more rapidly than they can be fully written, the different stages of the writing operations for two or more successive characters are performed simultaneously to increase the apparent writing speed of the display.

Abstract: A flat panel liquid crystal display for use in providing single or multi-color display images. The display comprises one or more ultraviolet light sources, a light pipe assembly which includes a plurality of liquid crystal cells that may be addressed via an array of transparent row and column electrodes, and a viewing screen having a plurality of phosphor elements that are located in close proximity and in registry with respective liquid crystal cells. Those phosphor elements and only those phosphor elements that are associated with liquid crystal cells that are in their scattering states are illuminated to form the image to be displayed.

Abstract: The method of tuning a flyback transformer in a cathode ray tube control system, for minimum ringing, which comprises the steps of adjusting the lateral position of the center plane of the high voltage or secondary coil, with respect to the center plane of the low voltage or primary coil, placing an electric sensor in the vicinity of the high voltage coil to pick up a signal, which is a function of the current in the high voltage coil, and applying that signal to an oscilloscope, and noting the change in amplitude of the ringing component of the signal as a function of the lateral displacement between the two coils. By this means, the selected relative position of the two coils which provides a minimum amplitude of ringing is found and the coils are locked in that relative position to each other and to the magnetic core.