Display control system

Details Display control system Display control system

1989-09-20

1991-03-05

Oberley, Alvin E.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

340805, 340814, 358236, G09G 336

Patent

active

049981005

ABSTRACT:
A display control circuit system is disclosed which, while maintaining the compatibility of software perfectly, can realize various specifications of the software, provides for a gradation display in an LCD display to realize substantially the same level of access as in a CRT display, permits a configuration control, and, when one or more bits are expanded in the conventional software, can protect the function-expanded bit(s). The display control system includes a mode selector to select either a mode for controlling the display of CRT or a mode for controlling the display of LCD, a controller for controlling the CRT display, and a controller for controlling the LCD display control.

REFERENCES:
patent: 4388621 (1983-06-01), Komatsu et al.
patent: 4468662 (1984-08-01), Tanaka
patent: 4546350 (1985-10-01), Tanaka
patent: 4556879 (1985-12-01), Tanaka
patent: 4604615 (1986-08-01), Funahashi

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