# US 2019/0173952 A1 · In-vehicle relay device, information processing device, relay device, information processing method, non-transitory storage medium storing program executable by relay device, information processing system, vehicle, and external device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2019/0173952 A1 - Document ID: US20190173952A1 - Status: Published application - Kind: A1 - Application number: 16/175,169 - Filed: 2018-10-30 - Published: 2019-06-06 - Earliest claimed: 2017-12-04 - Assignees: Toyota Jidosha Kabushiki Kaisha - Applicants: Toyota Jidosha Kabushiki Kaisha - Inventors: Jun TAUCHI - Web page: https://patentgrep.com/patent/US20190173952A1 ## CPC - H04L 67/12: specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks - H04L 67/564: Enhancement of application control based on intercepted application data - H04W 4/40: for vehicles, e.g. vehicle-to-pedestrians [V2P] - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) ## Abstract An in-vehicle relay device, an information processing device, a relay device, an information processing method, a non-transitory storage medium storing a program executable by a relay device, an information processing system, a vehicle, and an external device are disclosed. The in-vehicle relay device relays communication between a plurality of in-vehicle devices connected to an in-vehicle network mounted on a vehicle. The in-vehicle relay device includes a transmission part configured to transmit, based on a signal from an external device disposed outside the vehicle, first data stored in a first device that is one of the plurality of in-vehicle devices, and second data transmitted and received between the plurality of in-vehicle devices, to the external device. ## Claims ### Claim 1 An in-vehicle relay device configured to relay communication between a plurality of in-vehicle devices connected to an in-vehicle network, each of the plurality of in-vehicle devices being mounted on a vehicle, the in-vehicle relay device comprising: a transmission part configured to transmit, based on a signal from an external device disposed outside the vehicle, first data stored in a first in-vehicle device that is one of the plurality of in-vehicle devices, and second data transmitted and received between the plurality of in-vehicle devices, to the external device. ### Claim 2 (depends on 1) The in-vehicle relay device according to claim 1, wherein the first data includes data that is not transmitted and received between the plurality of in-vehicle devices. ### Claim 3 (depends on 1) The in-vehicle relay device according to claim 1, wherein the transmission part is configured to transmit, at a timing specified by the external device, a most-recently-acquired first data and a most-recently-acquired second data to the external device for each type of the first data and the second data. ### Claim 4 (depends on 1) The in-vehicle relay device according to claim 1, wherein: the signal includes an indication of a cycle of data transmission; the first data is acquired from the first in-vehicle device at a cycle of a length equal to or shorter than a half of the cycle of data transmission; and the transmission part is configured to transmit the first data and the second data to the external device at the cycle of data transmission. ### Claim 5 (depends on 1) The in-vehicle relay device according to claim 1, wherein: the signal includes information on a memory address of the first in-vehicle device; and the first data is data stored in the memory address of the first in-vehicle device. ### Claim 6 (depends on 1) The in-vehicle relay device according to claim 1, wherein: the signal includes identification information on a type of a message transmitted from the first in-vehicle device and information specifying an item of data included in the message; and the second data is data of the item, the data of the item being included in the message transmitted and received between the plurality of in-vehicle devices. ### Claim 7 An information processing device connected to an internal network to which a plurality of devices and a relay device are connected, the relay device being configured to relay communication between the plurality of devices, the information processing device comprising: a transmission part configured to, based on a signal transmitted from an external device by wireless communication, transmit first data stored in one of the plurality of devices connected to the internal network, and second data transmitted and received between the plurality of devices, to the external device. ### Claim 8 A relay device configured to relay communication between a plurality of devices connected to an internal network, the relay device comprising: a transmission part configured to, based on a signal transmitted from an external device by wireless communication, transmit first data stored in one of the plurality of devices connected to the internal network, and second data transmitted and received between the plurality of devices, to the external device. ### Claim 9 An information processing method, comprising: receiving, by a relay device configured to relay communication between a plurality of devices connected to an internal network, a signal transmitted from an external device by wireless communication; and transmitting, by the relay device, first data stored in one of the plurality of devices connected to the internal network and second data transmitted and received between the plurality of devices, to the external device based on the signal. ### Claim 10 A non-transitory storage medium storing a program executable by a relay device, the relay device being configured to relay communication between a plurality of devices connected to an internal network, wherein when the program is executed by the relay device, the program causes the relay device to perform, based on a signal transmitted from an external device by wireless communication, a process of transmitting first data stored in one of the plurality of devices connected to the internal network and second data transmitted and received between the devices to the external device. ### Claim 11 An information processing system, comprising: a plurality of devices connected to an internal network; a wireless communication device; and a relay device configured to relay communication between the plurality of devices, wherein: the relay device includes a transmission part configured to transmit, based on a signal transmitted from an external device by wireless communication, first data stored in one of the plurality of devices connected to the internal network and second data transmitted and received between the plurality of devices, to the external device via the wireless communication device; the wireless communication device is configured to relay communication between the relay device and the external device; a first device included in the plurality of devices is configured to transmit the first data stored in the first device to the relay device according to a request from the relay device; and a second device included in the plurality of devices is configured to transmit the second data to another one of the plurality of devices via the relay device. ### Claim 12 (depends on 1) A vehicle comprising the in-vehicle relay device according to claim 1. ### Claim 13 (depends on 11) A vehicle comprising the information processing system according to claim 11. ### Claim 14 An external device disposed outside a vehicle, comprising: a transmission part configured to transmit a signal to an in-vehicle relay device that is configured to relay communication between a plurality of in-vehicle devices connected to an in-vehicle network mounted on the vehicle; and an acquisition part configured to acquire first data stored in one of the plurality of in-vehicle devices connected to the in-vehicle network and second data transmitted and received between the plurality of in-vehicle devices, the first data and the second data being acquired by the in-vehicle relay device based on the signal.