Connection device, connection method and program

专利名称：Connection device, connection method and

program

发明人：渥美 清隆,木田 良一申请号：JP2019171287申请日：20190920公开号：JP6788717B1公开日：20201125

摘要：PROBLEM TO BE SOLVED: To provide a connection device for suppressingunauthorized communication from an additional device to a control system when anadditional device is attached to a CAN control system via a port such as OBD-II.SOLUTION: A first connection target for outputting a frame signal of a CAN which is aframe signal of a CAN communicated using a first value and a second value and includesan ACK slot, and the frame signal are transmitably connected to each other. When thesecond connection target that returns an ACK signal to the frame signal and the framesignal are transmitably connected and the frame signal output from the first connectiontarget is output to the second connection target, 1 When it is determined that the firstvalue is output by 2 bits or more from the second connection target in the frame signal,the transmission of the signal from the second connection target to the first connectiontarget is blocked. apparatus. [Selection diagram] Fig. 1

申请人：株式会社ラック

地址：東京都千代田区平河町２丁目１６番１号 平河町森タワー

国籍：JP

代理人：棚井 澄雄,佐伯 義文,松本 裕幸

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