| 摘要 |
PROBLEM TO BE SOLVED: To provide a transmission system that is improved so that data transmission efficiency and delivery security are raised. SOLUTION: The transmission system is configured to transmit a data frame between a transmitting-side device and a receiving-side device, the transmitting-side device transmits the data frame after setting data indicating presence/absence of a response request thereto and stores the transmitted data frame in a storage means and when data indicating presence of a response request are set to a data frame transmitted from the transmitting-side device, the receiving-side device redirects information of the data frame to the transmitting-side device. Further, unless the information of the data frame redirected from the receiving-side device meets the information of the data frame, stored in the storage means, transmitted after setting the data indicating the presence of the response request thereto, the transmitting-side device retransmits the data frame. COPYRIGHT: (C)2010,JPO&INPIT
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