Clock loss detection and switchover circuit

Details Clock loss detection and switchover circuit Clock loss detection and switchover circuit

2005-05-10

2005-05-10

Lam, Tuan T. (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Specific signal discriminating without subsequent control

By presence or absence pulse detection

C327S020000, C327S298000

Reexamination Certificate

active

06891401

ABSTRACT:
In one aspect, an embodiment provides a clock loss sense and switchover circuit and method in which clock switchover is responsive to loss of a primary signal and to additional switch command signaling. In another aspect, an embodiment provides a clock loss sense circuit and method that utilizes counters and reset signals to compare a primary clock and secondary clock signal.

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International Search Report mailed on Mar. 9, 2004, for PCT patent application No. PCT/US02/24893 filed on Aug. 5, 2002, 6 pages.

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