Method and system for making bipolar switching to protection cha

Details Method and system for making bipolar switching to protection cha Method and system for making bipolar switching to protection cha

1991-12-13

1994-05-10

Yusko, Donald J.

Communications: electrical

Continuously variable indicating

With meter reading

34082503, 340827, 455 8, H04L 100

Patent

active

053111702

ABSTRACT:
A method is used to switch a channel which is used for a communication between a transmitting end and a receiving end from a main channel to a protection channel. The method of the present invention allows automatic compensation for the loss caused by the switching of the channel to the protection channel. Furthermore, the level difference of the baseband signal outputs from each of the main channels can be automatically controlled to zero regardless of the main channel from which the channel is switched to the protection channel.

REFERENCES:
patent: 3878463 (1975-04-01), Lanigan
patent: 4395772 (1983-07-01), Trested, Jr.
patent: 4837780 (1989-06-01), Grover

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