Computer graphics processing and selective visual display system – Plural physical display element control system – Display elements arranged in matrix
Patent
1996-01-16
1997-07-08
Brier, Jeffery
Computer graphics processing and selective visual display system
Plural physical display element control system
Display elements arranged in matrix
G09G 336
Patent
active
056466455
ABSTRACT:
A dot matrix LCD system able to provide a flashing effect having a control unit to output a signal indicative of a symbol to be displayed and a reversal signal indicative of whether the symbol is to be displayed in the reverse. A first memory unit connected to the control unit stores the symbol to be displayed, and a second memory unit connected to the control unit stores an indication of whether the symbol is to be displayed in the reverse. A character generator connected to the first memory unit generates a pattern of dots based on the indication stored in the first memory unit, while a pattern memory unit connected to the character generator stores the pattern of dots. An LCD display unit having a plurality of display dots, is driven by a driver to illuminate the display dots, corresponding to the pattern. A temperature detection circuit detects ambient temperature. A reversal operation unit connected between the pattern memory unit and the driver transmits the pattern from the pattern memory unit to the driver. The reversal operation unit reverses the pattern based on the indication stored in the second memory unit and reverses the pattern at a rate which is dependent upon the ambient temperature detected.
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Brier Jeffery
Nikon Corporation
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