| 摘要 |
Working with an information system operating an application-are an imager, a coded data source, and a computer-readable signal-bearing medium signal connected to the information system where light from the coded data source-which represents data-is detected by the imager which inputs a signal-which represents the light-to the information system; where a use component of the medium causes the data to be made available to the application with the application being specified by the data; and where: the imager can be from a plurality of imagers signal connected to the information system; the coded data source can be from a plurality of coded data sources; the application can be from a plurality of applications operated by the information system; and the medium can have a plurality of components which cause uses of data, management of imagers, and output signals.
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