COMPOSITE MEMORY CARD AND DEDICATED READER
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United States of America Patent
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Issued Date -
Sep 26, 2013
app pub date -
Mar 26, 2012
filing date -
Mar 26, 2012
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Abandoned
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Abstract
A composite memory card has 4-bit and 1-bit data transfer modes; in which, when the composite memory card plugs in a general reader, it operates in the 4-bit data transfer mode to form 4-bit format information signal linking with the external transfer through four data pins; and when it plugs in a dedicated reader, it operates in the 1-bit data transfer mode to form 1-bit format data signal linking with the external transfer through one data pin, while it starts the internal audio processing module to read the internal audio file streaming and to transform into voice output signal output to the dedicated reader through the other data pins for broadcast, and to receive the voice input signal of the dedicated reader through data pins to transform into audio file streaming to import for storage; thus, the composite memory card combines the standard memory card and the audio processing function.
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