System and method for measuring pseudo pixel error rate

Details System and method for measuring pseudo pixel error rate System and method for measuring pseudo pixel error rate

2005-09-13

2005-09-13

Baker, Stephen M. (Department: 2133)

Error detection/correction and fault detection/recovery

Pulse or data error handling

Error count or rate

C714S705000, C714S707000

Reexamination Certificate

active

06944804

ABSTRACT:
A system and method for measuring and utilizing a pseudo pixel error rate in digital data transmission is disclosed. As an alternative to measuring actual pixel error rate measurement, the present invention uses a pseudo pixel error rate detection scheme where the errors occurred in the special character patterns used in data encoding are measured. A particular embodiment uses a de-glitch filter for filtering the glitches from an unfiltered data enable (DE), a delay for delaying the unfiltered DE to match the delay of the de-glitch filter, and a comparator for comparing the unfiltered DE and the filtered DE to determine the occurrence of an error. It further includes a counter to count the errors occurred.

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