Method and apparatus for storing data to facilitate price look-up
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United States of America Patent
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-
Jun 14, 1988
Grant Date -
N/A
app pub date -
Dec 22, 1986
filing date -
Dec 22, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method and apparatus for storing and retrieving data so as to facilitate performing a price look-up (PLU) function. A scanner and a retail terminal at a checkout counter are used in conjunction with a U.P.C. number on an article to be sold. An EPROM at the scanner is used to store a compressed article description which is stored by U.P.C. number. The EPROM address for a 'matched' U.P.C. number is used to obtain the corresponding price data in a RAM located at the scanner itself, thereby reducing the time required to effect a PLU function.
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