Methods and apparatus for testing image processing apparatus
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United States of America Patent
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-
May 3, 1994
Grant Date -
N/A
app pub date -
Oct 18, 1991
filing date -
Oct 18, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Test equipment, for testing that an image processing apparatus is operating correctly, is coupled to the output port of the image processing apparatus. A predetermined group of signals corresponding to a portion of an image from the image processing apparatus is stored in a memory in the test equipment. The signals are then analysed either by an operator using a monitor or by electronic comparison of the signals with reference signals corresponding to the portion of the image, from a reference store.
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