Appeal No. 1997-2899
Application No. 08/385,574
redundant combining means 50 which detects the fault
indication signal from the active link and replaces the signal
received from the active link with the fault-free signal
received from the spare link.
With respect to claim 37, Hochstein in Figure 2 and col.
2, line 63 through col. 3, line 60, discloses a method for
transmitting information from first terminal 11 to second
terminal 13 over two parallel communication links 12 wherein
the first link is operable to transmit a fault indication
signal through fault detector 44. The first terminal
simultaneously transmits duplicate information through sender
means 28 over both links. Hochstein further discloses in col.
5, line 64 through col. 6, line 21, fault detector 44 for
detecting failure on the first link and transmitting a fault
signal corresponding to that link. Additionally, Hochstein
teaches receiving the information from both links, monitoring
the information received from the first link in a second
terminal 13, and replacing the information from the first link
with that received from the second link by redundant combining
means 50.
12
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