摘要 |
PROBLEM TO BE SOLVED: To enable a master station to speedily collect confirm signals in the case of simultaneous command even when there are a large number of slave stations. SOLUTION: Slave station information for collecting confirm signals is transmitted while being superimposed on the simultaneous command (command contents) from the master station, and transmitted to the base station only by a slave station, to which the output of the confirm signal is requested.
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