| 摘要 |
A switching device include a buffer for temporarily storing a signal sent by a corresponding input terminal; variable channel transmission units, one of which is provided for each input terminal, for outputting a received signal with one of N different channels; fixed channel reception units, one of which is provided for each output terminal, for receiving the signal carried with a given channel and for outputting a signal with the given channel to a corresponding output terminal, with the given channel not overlapping any other; a variable channel control unit for synchronously altering, in consonance with predetermined patterns, channels with which the variable channel transmission unit outputs a signal, so that two or more variable channel transmission units do not simultaneously output signals with the same channel; and a buffer control unit for synchronously reading from the buffer a signal that is to be output, while altering the channel with which the variable channel transmission unit transmits a signal. Provided for the buffer is a function for sorting signals for output terminals at which the signals are to be output, and weighting of predetermined patterns is performed with a time at which one variable channel transmission unit outputs signals with the individual channels during one pattern cycle.
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