Fault-tolerant clock system

Details Fault-tolerant clock system Fault-tolerant clock system

1983-12-30

1986-07-15

Zazworsky, John

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307219, 307511, 307527, 328 63, 328155, H03K 500, H03K 3017

Patent

active

046008454

ABSTRACT:
A clock generator source, a plurality of which can be used as redundant clock sources in a fault tolerant clock system. The input and output clock signals of said source being formed of a plurality of pulses having a frequency substantially higher than the frequency of the input and output signals, one pulse being omitted in each cycle thereof to form a "dead interval" therein when the input and output signals are in phase. When the output signal is not in phase with the input signal at the start of a cycle the length of the cycle of the output signal is either lengthened or shortened by inserting a second dead interval or omitting the dead interval, respectively, to bring the input and output signals in phase by the end of the cycle.

REFERENCES:
patent: 2980858 (1961-04-01), Grondin et al.
patent: 3440547 (1969-04-01), Houcke
patent: 3671776 (1972-06-01), Houston
patent: 4309662 (1982-01-01), Baudoux
patent: 4373204 (1983-02-01), Brooks

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