US PATENT SUBCLASS 711 / 145
.~.~.~.~ Access control bit

Current as of: June, 1999
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711 /   HD   ELECTRICAL COMPUTERS AND DIGITAL PROCESSING SYSTEMS: MEMORY

100  DF  STORAGE ACCESSING AND CONTROL {6}
117  DF  .~ Hierarchical memories {1}
118  DF  .~.~ Caching {14}
141  DF  .~.~.~ Coherency {5}
145.~.~.~.~ Access control bit

DEFINITION

Classification: 711/145

Access control bit:

(under subclass 141) Subject matter wherein each unit or block of memory or cache includes associated identifier bit(s) to indicate ownership of or restricted access to the unit or block.

(1) Note. For this subclass, access control bits can indicate whether the associated cached location is exclusive, shared, read only, locked, etc.