Duplex central processing unit synchronization circuit
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United States of America Patent
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-
Feb 4, 1986
Grant Date -
N/A
app pub date -
Dec 22, 1983
filing date -
Dec 22, 1983
priority date (Note) -
Expired
status (Latency Note)
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Abstract
This circuit provides for synchronizing the internal clocks of at least two central processing unit process controllers. In order to synchronize the internal clocks of these central processing units (CPUs), the CPUs periodically execute a predetermined set of operating instructions which cause their internal clocks to coincide. This synchronization function is dynamic in that it is continually performed in an on-line fashion while the processors are performing their telecommunication process control function.
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