Article checkout system with security parameter override capacity
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United States of America Patent
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Aug 23, 1994
Grant Date -
N/A
app pub date -
Mar 17, 1992
filing date -
Mar 17, 1992
priority date (Note) -
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Abstract
A system of the so-called 'operator-unassisted' type, for processing articles selected for purchase and bearing an identification code, includes a code reader generating output signals indicative of the article identification codes, a sensor generating output signals indicative of measurable characteristics of the articles, a memory for storage, for each of the articles, of a signal indicative of the measurable characteristic thereof correlated with the article identification code, an article rejector for rejecting the selection of an article for purchase on failure of correspondence of the sensor output signal and the corresponding stored measurable characteristic signal and a control unit operable selectively on such rejection of the article purchase selection for substituting the output signal generated by the sensor for the stored measurable characteristic signal. The control unit effectively introduces an 'override capacity' to heretofore known systems.
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