Importance

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Abstract

In a communication network, a ring network is formed with switches connected to a number of parallel channels. Terminal devices are also connected to the parallel channels and supply an input signal. The switches receive the input signal from each of the channels and output it to other channels. The network is configured so that the input signal passes through the switches not less than twice before the signal reaches a destination terminal device. A signal passed through a switch once will reach its destination if that switch designates a channel. Instead, that signal is output using an arbitrary channel in place of being output using the designated channel. Once the signal has made its journey around the ring once, it is output by designating a channel. Since the last switch receives the signal from an arbitrary channel, a broad communication band can be assured.

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First Claim