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To suppress communication failure when data is transmitted intermittently.SOLUTION: A second control unit includes normal data transmission means for transmitting normal data indicating that communication data has been received normally at the time of normal reception of the communication data, and...

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Bibliographic Details
Main Authors TSUTSUMI KENICHI, MATSUMOTO KEIGO, SEKIMOTO SHIGERU, KIKUKAWA AKINOBU
Format Patent
LanguageEnglish
Japanese
Published 02.08.2021
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Summary:To suppress communication failure when data is transmitted intermittently.SOLUTION: A second control unit includes normal data transmission means for transmitting normal data indicating that communication data has been received normally at the time of normal reception of the communication data, and retransmission request data transmitting means for transmitting retransmission request data for retransmitting the communication data when the communication data cannot be received normally. The retransmission request data transmitting means, when first time elapses before receiving second data following first data, after receiving the 1-byte first data constituting the communication data, transmits the retransmission request data after second time elapses, after the first time elapses.SELECTED DRAWING: Figure 71 【課題】断続的にデータが送信されるときの通信不良を抑制する。【解決手段】第2制御部は、通信データを正常に受信した場合に、正常に受信したことを示す正常データを送信する正常データ送信手段と、通信データを正常に受信できなかった場合に、当該通信データを再送させるための再送要求データを送信する再送要求データ送信手段と、を有し、再送要求データ送信手段は、通信データを構成する1バイトの第1データを受信してから、第1データに続く第2データを受信するまでに第1の時間が経過した場合、第1の時間が経過してから第2の時間が経過した後で再送要求データを送信する。【選択図】図71
Bibliography:Application Number: JP20200000066