Method and apparatus of automatically tuning output line...

Computer graphics processing and selective visual display system – Display driving control circuitry

Reexamination Certificate

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Details

C345S545000, C345S556000, C345S560000, C345S698000, C348S441000, C348S459000, C348S511000, C375S240010

Reexamination Certificate

active

07034812

ABSTRACT:
A method and apparatus for automatically tuning the output line rate thereof and a display controller provided with the same. The display controller of the present invention provides a display controller having a line buffer, an input means, an output means, a status detector, and an auto-tune control means. The input means is employed to write line data into the line buffer at an input line rate, and the output means is employed to read the written line data from the line buffer at an output line rate. The status detector is coupled to the input means and the output means for generating a status signal indicating whether the input line rate and the output line rate are unbalanced. The auto-tune control means is used to adjust the output line rate in response to the status signal so as to balance the input line rate and the output line rate.

REFERENCES:
patent: 5739867 (1998-04-01), Eglit
patent: 6317523 (2001-11-01), Miura et al.
patent: 6636222 (2003-10-01), Valmiki et al.
patent: 2002/0078317 (2002-06-01), Yasoshima
patent: 2003/0156639 (2003-08-01), Liang
patent: 2003/0164897 (2003-09-01), Chen et al.

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