Digital display unit in a computer system with an improved metho

Details Digital display unit in a computer system with an improved metho Digital display unit in a computer system with an improved metho

1998-03-05

2000-02-22

Wu, Xiao

Computer graphics processing and selective visual display system

Plural display systems

Diverse systems

345132, G09G 500

Patent

active

060285710

ABSTRACT:
A digital display unit which accurately determines a graphics source mode using which an analog display signal has been generated. Accurate determination of the source mode enables images encoded in the received display signal to be reproduced properly on a digital display screen. Some of the display signal parameters are measured by examining the display signal. The measured parameters are compared with corresponding stored parameters for each stored mode. A match of parameters is deemed to exist if the compared values are within an associated tolerance level. A source mode matching with all matching parameter is selected to process a display signal. The tolerance level is adaptively varied to select a suitable source mode.

REFERENCES:
patent: 5430457 (1995-07-01), Zenda
patent: 5742261 (1998-04-01), Yuki et al.
patent: 5841430 (1998-11-01), Kurikko

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