Method and apparatus for repeating the output of an optical scanner
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United States of America Patent
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Aug 11, 1992
Grant Date -
N/A
app pub date -
Dec 5, 1988
filing date -
Dec 5, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
There is disclosed a method and apparatus for enabling a checkout system to repeat the price of a previously processed purchased merchandise item which includes mounting a pair of photodetector members in a pair of apertures located in the checkout counter which is exposed to ambient light and enabling the photodetector members to generate a pair of control signals in response to positioning a finger of the checkout operator over one of the apertures and alternately covering and uncovering the second aperture with a second finger of the checkout operator.
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