Time-of-day clock synchronization among multiple processing unit

Details Time-of-day clock synchronization among multiple processing unit Time-of-day clock synchronization among multiple processing unit

1973-11-06

1976-01-13

Shaw, Gareth D.

Communications: electrical

Digital comparator systems

G06F 104

Patent

active

039328473

ABSTRACT:
Circuits and method for synchronizing and checking a plurality of time-of-day (TOD) clocks in a multiprocessing system. Unique hardware synchronizes the low order part of the TOD clocks and a unique method synchronizes the high order part in the same clocks by using carry pulses derived from an intermediate bit position in each TOD clock. The carry pulses from all TOD clocks are combined in an OR circuit with each clock to provide common carry pulses for synchronizing each TOD clock in the system.

REFERENCES:
patent: 3715729 (1973-02-01), Mercy
patent: 3761884 (1973-09-01), Ausan et al.

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