Universal micro memory card
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United States of America Patent
Stats
-
Mar 4, 2008
Grant Date -
Sep 23, 2004
app pub date -
Aug 13, 2003
filing date -
Mar 21, 2003
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A universal micro memory card has a unique common transmission interface designed according to USB specifications, USB pins and data transmission pins. The universal micro card detects what type a system interface connected to it is and the initialization signals are sent from the system end via the USB pins (D+ and D-). Further, the universal micro card is switched to the corresponding working mode. In this way, the universal micro memory card enables signal transmission from/to different memory card systems via the common transmission interface.
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