Apparatus and method for detecting faults in outdoor display

Details Apparatus and method for detecting faults in outdoor display Apparatus and method for detecting faults in outdoor display

1999-05-03

2000-11-14

Lieu, Julie

Communications: electrical

Condition responsive indicating system

Specific condition

340635, 340652, 324556, G08B 2100

Patent

active

06147617&

ABSTRACT:
The present invention is to provide an apparatus for detecting errors due to cutoff of a unit pixel and short between the unit pixel and the ground voltage level in a lighting-off state, and also a method for checking in a real time whether information data outputted from a remote host computer is normally represented on a display and detecting all the errors due to cutoff of a unit pixel, short between a unit pixel and the ground voltage level, and short between unit pixels.

REFERENCES:
patent: 5406213 (1995-04-01), Henley

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