Increasing values of a read and a trigger pointers when a write pointer reaches the read pointer in a circular FIFO (first-in-first-out) store

Granted: Oct 22, 2002 Filed: Oct 29, 1999

This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.