| 摘要 |
PURPOSE:To decrease the handshake frequency on a reception terminal side by comparing received numeric data with the last numeric data and sending the data only when they are different. CONSTITUTION:When one packet transmitting signal PS is transmitted repeatedly by plural times in such a way that specific numeric data CN is added in one packet transmitting signal PS, the contents of the numeric data CN are made equal when control data CD is the same, and made different from the last one when the control data CD different from the last one is used. The numeral of the numeric data is stored on the reception terminal side every time the data is received, and compared with the preceding transmitted numeral to control a load on the basis of the control data CD only when they are different. Thus, the received numeric data CN is compared with the preceding numeric data CN and transmitted only when they are different to decrease the handshake frequency of the terminal equipment, saving the memory. |
