Optical code reader and methods and articles therefor
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United States of America Patent
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Oct 17, 2000
Grant Date -
N/A
app pub date -
Jun 17, 1998
filing date -
Jun 4, 1998
priority date (Note) -
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Abstract
A method comprises steps of sensing a first user action, transmitting a first optical message in response to the first user action, and performing at least one optical code reading step in response to non-receipt of a valid response to the first optical message. An apparatus to perform the aforementioned steps and an article of manufacture to direct the aforementioned steps are disclosed.
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