Method and apparatus for rearranging and displaying line data

Details Method and apparatus for rearranging and displaying line data Method and apparatus for rearranging and displaying line data

1993-05-10

1995-01-03

Oberley, Alvin E.

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

345196, G09G 336

Patent

active

053790510

ABSTRACT:
A display control apparatus of a display device which uses a ferroelectric liquid crystal as an operational medium to display or update image data comprises a data storage unit to store data which is displayed on a display device, a supplying unit to supply data to the data storage unit, a detector to detect a difference between the data supplied to the supplying unit and the data displayed at present on the display device, a memory to store data indicative of the result of the detection by the detector, a controller to supply the data stored in the data storage unit to the display device on the basis of the result of the detection stored in the memory, and a counter to count the number of different bits of the line detected by the detector. The detector detects such a difference for every line of the display device. The controller preferentially supplies the data to the display device in descending order of the number of bits counted for each line.

REFERENCES:
patent: 4236228 (1980-11-01), Nagashima et al.
patent: 4693563 (1987-09-01), Harada et al.
patent: 5091723 (1992-02-01), Kanno et al.

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