| 摘要 |
A reader (112) for reading a plurality of data, wherein each data in the plurality of data is associated with a respective source (16) and is carried by a respective data signal originating from the respective source (16), the reader (112) comprising processing means (118) and a storage means, the storage means having instructions stored thereon, whereby the processing means (118) is operable, under control of the instructions, to: receive and store in the storage means a representation of a combination of the respective data signals; process the representation to determine one or more data signals of the combination of the respective data signals of the representation; and to read the data of the determined one or more data signals.
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