Display data generating device

Details Display data generating device Display data generating device

2005-10-11

2005-10-11

Bella, Matthew C. (Department: 2676)

Computer graphics processing and selective visual display system

Computer graphics display memory system

Addressing

C345S530000, C345S543000, C345S544000, C711S001000, C711S147000, C711S173000

Reexamination Certificate

active

06954210

ABSTRACT:
An address converting unit receives pixel coordinates of a display screen in sequence and converts the received pixel coordinates to addresses and offsets. The addresses and offsets obtained from the conversions are stored in buffers in sequence respectively. A buffer controlling unit detects that one of the buffers is full. In response to the detection by the buffer controlling unit, a pixel processing unit modifies pixel data corresponding to the plural addresses read from the memory device according to pixel information. The pixel data stored in the memory device are rewritten according to the pieces of pixel information inputted in correspondence with the pixel coordinates. Therefore, the pieces of pixel data corresponding to the plural addresses are rewritten at a time.

REFERENCES:
patent: 6202180 (2001-03-01), Nose
patent: 6282141 (2001-08-01), Muranaka et al.
patent: 6570687 (2003-05-01), Araki et al.
patent: 06-119437 (1994-04-01), None

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