Method and apparatus for displaying images when an analog-to-dig

Details Method and apparatus for displaying images when an analog-to-dig Method and apparatus for displaying images when an analog-to-dig

1997-06-18

2000-01-04

Saras, Steven J.

Computer graphics processing and selective visual display system

Display peripheral interface input device

Light pen for fluid matrix display panel

345213, 348439, 348581, G09G 500

Patent

active

060115386

ABSTRACT:
A digital display unit including an analog to digital converter (ADC). When the optimal sampling frequency for sampling an analog display signal is greater than the maximum sampling frequency of the ADC, the analog display signal is sampled using 2:1' interleaved sampling. A smaller image represented by the sampled values is then upscaled prior to being displayed. Such upscaling compensates for the decreased number of samples that would be generated by sampling at lower sampling frequency during 2:1 interleaved sampling.

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