Channel switching system

Details Channel switching system Channel switching system

1987-09-11

1988-09-20

Griffin, Robert L.

Pulse or digital communications

Repeaters

Testing

455 8, 34082501, H04L 102

Patent

active

047730811

ABSTRACT:
A channel switching system includes a synchronizing switch circuit including: two converters for monitoring input data signals respectively supplied through a regular channel and a stand-by channel, and when continuation of a predetermined number of bits having the same value is detected, outputting data signals for comparison in accordance with a predetermined rule; and a bit comparator for reading out the comparison data signals in response to a common clock signal, comparing bits of the data signals, sequentially changing the order of signal lines of either of the regular channel and the stand-by channel when a bit noncoincidence is detected, and supplying a control signal which instructs channel switching when a bit coincidence is detected.

REFERENCES:
patent: 4143321 (1979-03-01), Norsworthy
patent: 4380814 (1983-04-01), Shinmyo
patent: 4395772 (1983-07-01), Trested, Jr.
patent: 4656645 (1987-04-01), Kaneko
patent: 4680776 (1987-07-01), Ikeuchi et al.

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