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公开(公告)号：US20220021563A1
公开(公告)日：2022-01-20
申请号：US17335370
申请日：2021-06-01
发明人： Yoshiroh HIRATA
摘要： A communication device for a vehicle includes: a transmitting section that transmits differential signals from a first control section to a second control section via a transmission path; a receiving section that receives the differential signals that were transmitted to the second control section by the transmitting section; a skew measuring section that measures a signal difference of the differential signals on the transmission path; and a transmitting/receiving skew correcting section that, based on the signal difference measured by the skew measuring section, corrects both transmitting time differential signals that are transmitted from the first control section and receiving time differential signals that are received at the second control section.
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公开(公告)号：US20180131538A1
公开(公告)日：2018-05-10
申请号：US15785585
申请日：2017-10-17
发明人： Hiroya ANDO , Shu ISHIZUKA , Taichi MATSUMURA , Masashi AMESARA , Yutaka UEDA , Yoshifumi OHMORI , Toshio KAWAMURA , Tomomi KAWAMURA , Toshio SHIMADA , Yoshiroh HIRATA
CPC分类号： H04L12/40163 , G07C5/008 , G07C5/0808 , G07C2205/02 , H04L12/40019 , H04L41/06 , H04L67/12
摘要： An in-vehicle network system includes a plurality of relay devices that is connected to control devices of a vehicle, and communicates with each other and is configured such that each of a plurality of request devices that transmits a response request to the control device is connected to any one of the relay devices, a storage unit that stores a priority of the request devices, a master setter that sets, as the master, the relay device to which the request device having the highest priority has been connected among the relay devices to which any one of the request devices has been connected, and an arbitrator that performs arbitration to prioritize a response request from the request device having the highest priority when the response requests are transmitted from at least two of the request devices when the relay device in which the arbitrator is included is the master.
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3.发明公开公开(公告)号：US20230145493A1
公开(公告)日：2023-05-11
申请号：US17943951
申请日：2022-09-13
发明人： Hiroya MATSUMOTO , Yoshiroh HIRATA , Hiroshi OTA
IPC分类号： H04L41/0686 , H04L1/00
CPC分类号： H04L41/0686 , H04L1/0002
摘要： A relay device that is configured to: perform reset processing in relation to wired communication with a first device in response to a change in a communication rate of the wired communication with the first device; and in response to performing the reset processing, make a request to a second device to suppress processing relating to fault detection that detects cases in which communication between the second device and the first device is not possible.
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4.发明公开公开(公告)号：US20230142524A1
公开(公告)日：2023-05-11
申请号：US17943549
申请日：2022-09-13
发明人： Hiroya MATSUMOTO , Yoshiroh HIRATA , Hiroshi OTA
CPC分类号： H04L41/06 , H04L1/0002
摘要： A relay device that performs reset processing in relation to wired communication with a first device in response to a change in a communication rate of the wired communication with the first device; and in response to performing the reset processing, start control to transmit a predetermined message to a second device even though there is no transmission from the first device, the predetermined message being expected to be transmitted from the first device to the second device.
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