Asynchronous memory card
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Jul 1, 2003
Grant Date -
N/A
app pub date -
Jul 27, 2000
filing date -
Jan 27, 1998
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A memory card fitted with contacts contains a memory and its access circuits. The memory access circuits are modified to allow recording or reading the memory via electric signals supplied by a terminal according to an asynchronous-type communication protocol with integrity check of the codes transmitted. The signals received on the contacts are analysed by an analysis circuit, then switched to address and data registers by a switch circuit. The analysis circuit and a control circuit transmit messages and codes to the terminal via a transmission circuit.
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