ACCESS CONTROL TO PARTITIONED BLOCKS IN SHARED MEMORY
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United States of America Patent
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Issued Date -
Oct 8, 2009
app pub date -
Sep 22, 2005
filing date -
Mar 25, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method for controlling multiple access to partitioned areas of a shared memory and a portable terminal having the shared memory are disclosed. According to an embodiment of the present invention, the storage area of a shared memory is partitioned to a plurality of storage areas, and each control unit accesses a storage area through each access port to store data and transfers an authority to access the pertinent storage area to the other control unit, thereby allowing access by the other control unit. With the present invention, the data communication time between the plurality of control units can be minimized, and the process efficiency of each control unit can be optimized.
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