Abstract: A watercraft share-ride system includes a cloud server, an owner terminal, and a user terminal. The owner terminal provides first share-ride condition information of an owner to the cloud server. The user terminal provides second share-ride condition information of a user to the cloud server. The cloud server provides watercraft information of the owner to the user terminal when the first share-ride condition information and the second share-ride condition information match. The cloud server acquires share-ride request information corresponding to the watercraft information when the watercraft information is selected by the user terminal.

Abstract: To provide a water-soluble chelating polymer that can rapidly trap a trace amount of heavy-metal ions to reduce the amount of heavy-metal ions to a ppm level or lower in a short time. Use a water-soluble chelating polymer comprising an anionic polymer having a carboxy group, a sulfonate group and/or a sulfate group bonded through an ionic bond to a chelating functional group having a cationic functional group, wherein the water-soluble chelating polymer contains 0.2 to 6 mmol/g of the chelating functional group and has a weight-average molecular weight in the range of 30,000 to 1,000,000.

Abstract: A system for co-owning a watercraft having a unique watercraft ID includes a computer configured or programmed to obtain and store information regarding co-owning the watercraft, and a communication module having a unique communication module ID. The communication module is attachable to the watercraft and operable to communicate with the computer and store information regarding the watercraft. The computer is configured or programmed to store the watercraft ID and the communication module ID in association with each other, to communicate with communication terminals used by co-owners of the watercraft, and provide one of the communication terminals with the information regarding the watercraft received from the communication module in response to a request from the one of the communication terminals.

Abstract: A ferry controlling system for controlling a ferry in a marina where a watercraft of a user is moored and stored includes a controller and a storage. The storage stores identification information identifying the user, first location information regarding a first location where a ferry is docked/undocked, and second location information regarding a second location on the water where the watercraft of the user is moored and stored. Upon receiving the identification information, the controller is configured or programmed to allow driving of the ferry and set the second location as a destination of the ferry based on the second location information.

Abstract: A communication system includes a vehicle including a control device configured to store a control program, a terminal configured to give a notification about predetermined information, and a server configured to communicate with the vehicle and the terminal. The server is configured to transmit update data for the control program. The processor is configured to reduce a data amount of information to be transmitted to the terminal about a transmission status of the update data when the server transmits the update data to the vehicle via the terminal, as compared to a data amount of information to be transmitted to the terminal about the transmission status when the server transmits the update data to the vehicle without intermediation of the terminal.

Abstract: A watercraft share-ride system includes a cloud server, an owner terminal, and a user terminal. The owner terminal provides first share-ride condition information of an owner to the cloud server. The user terminal provides second share-ride condition information of a user to the cloud server. The cloud server provides watercraft information of the owner to the user terminal when the first share-ride condition information and the second share-ride condition information match. The cloud server acquires share-ride request information corresponding to the watercraft information when the watercraft information is selected by the user terminal.

Abstract: A sensor unit is disposed outside a lamp housing of a vehicle to detect information in an outside area of the vehicle. An actuator is configured to be able to change at least one of a position and a posture of the sensor unit with respect to the lamp housing. A processor is configured to control an operation of the actuator.

Abstract: A selection unit configured to select, when receiving a first request in which a first power amount requested to be supplied and a timing when the first power amount is needed are specified, a group with a supply characteristic that enables power supply at the timing, among a plurality of groups into which a plurality of power supply sources are classified in accordance with power supply characteristics, and a request unit configured to transmit, to each of one or more of the power supply sources classified into the group selected by the selection unit or a device that controls power supply of the power supply source, a second request in which a second power amount to be supplied by the power supply source and the timing are specified.

Abstract: A management device that includes: a memory; and a processor coupled to the memory, wherein: the memory is configured to store communication information corresponding to versions of a protocol of a digital key that implements a key operation of a vehicle from a terminal registered at the vehicle; and the processor is configured to, in response to receiving a communication request in accordance with a predetermined version of the communication information from the terminal, delete communication information corresponding to a version preceding the predetermined version from the memory.

Abstract: A position locating system to determine relative position information between a marine vessel and a trailer includes a first GNSS receiver located on one of a marine vessel and a trailer to receive a positioning signal from a positioning satellite, a second GNSS receiver located on the other of the marine vessel and the trailer to receive the positioning signal from the positioning satellite, a registering unit to register a current position of the trailer based on the positioning signal received by the first GNSS receiver when the trailer is stationary, a direction obtaining unit to obtain a direction of the marine vessel, a generating unit to generate correction information in real time based on the current position and the positioning signal received from the positioning satellite by the first GNSS receiver, and a position locator to determine relative position information between the marine vessel and the trailer.

Abstract: A system for flushing a cooling water pathway in a marine propulsion device includes a water control device, an electric power control device, a data communication module, and a controller. The controller controls the water control device to supply the water from a water source to the cooling water pathway to flush the cooling water pathway. The controller controls the electric power control device to supply electric power to the marine propulsion device during the flushing. The controller determines whether to end the flushing or not. When it is determined to end the flushing, the controller controls the electric power control device to stop the supply of electric power to the marine propulsion device, and controls the data communication module to notify the end of the flushing to a terminal of a user of the marine propulsion device.

Abstract: OTA master mounted on the vehicle is configured as an in-vehicle device that manages updating of the software of the vehicle. The OTA master determines whether user consent is necessary based on the type of software. Then, when determining that user consent is necessary, the OTA master makes an inquiry to the user as to whether to execute a process for the update of the software.

Abstract: A watercraft running system includes a propulsion device, a steering device, a course changing operator, a port-side attitude control plate and a starboard-side attitude control plate, a port-side actuator and a starboard-side actuator, and a controller. The controller is operable in a first control mode in which the steering device is controlled according to the operation of the course changing operator and a second control mode in which the port-side actuator and the starboard-side actuator are controlled according to the operation of the course changing operator. The controller is configured or programmed to prohibit shifting from the first control mode to the second control mode if the steering position of the steering device is not a neutral position, and to permit the shift from the first control mode to the second control mode if the steering position is the neutral position.

Abstract: The OTA master downloads data from the OTA server via the off-vehicle network. The processing circuit of the OTA master determines whether the communication speed when downloading data via the external network is less than the determined communication speed. When the processing circuit determines that the communication speed will be less than the determined communication speed, the processing circuit proposes to the user to change the communication plan to a communication plan that allows the communication speed to be higher than or equal to the determined communication speed.

Abstract: A vehicle is equipped with an OTA master. A processing circuit of the OTA master predicts whether a prohibition period occurs when an activation process of activating software in a storage device of a target ECU is performed the next time the vehicle is started, the prohibition period being a period during which the vehicle is prohibited from starting to move or the use of a specific function in the vehicle is prohibited. When the processing circuit predicts that the prohibition period occurs when the activation process is performed the next time the vehicle is started, the processing circuit notifies a user of the vehicle of the length of the prohibition period.

Abstract: A control system for a watercraft includes an outboard motor, a tilt mechanism, a sensor, and a computer. The outboard motor is attached to the watercraft. The tilt mechanism includes a tilt shaft and a tilt actuator to cause the outboard motor to pivot about the tilt shaft. The tilt mechanism is attached to the watercraft and supports the outboard motor such that the outboard motor is pivotable about the tilt shaft. The sensor is operable to detect tilt status data indicating a status of the tilt mechanism. The computer is configured or programmed to store a decision logic to determine whether or not a malfunction or trouble of the tilt mechanism has occurred, obtain the tilt status data, and determine whether or not the malfunction or trouble of the tilt mechanism has occurred based on the tilt status data with reference to the decision logic.

Abstract: A control system for a watercraft includes a marine propulsion device, a load sensor, and a computer. The load sensor is operable detect load data regarding a drive source of the marine propulsion device. The computer is configured or programmed to store a decision logic to determine whether or not a malfunction or trouble of the watercraft has occurred, obtain the load data, and determine whether or not the malfunction or trouble of the watercraft has occurred based on the load data with reference to the decision logic. The load logic includes at least one of a foreign object attachment decision logic, a propeller matching decision logic, a damper slippage decision logic, or a water landing decision logic.

Abstract: A control system for a watercraft includes a device on or in the watercraft, a sensor, and a computer. The sensor is operable to detect status data indicating a status of the device. The computer is configured or programmed to store a decision logic to determine whether or not a malfunction or trouble of the watercraft has occurred, and determine whether or not the malfunction or trouble has occurred based on the status data with reference to the decision logic.

Abstract: A vehicle configured to obtain update data via a wireless LAN and updates software of an in-vehicle device using the update data includes one or more processors. The one or more processors are configured to determine whether an update of the software is in an executable state in a situation where the update of the software is requested and the vehicle is located in a position where the vehicle is connectable to the wireless LAN. The one or more processors are configured to connect the vehicle to the wireless LAN on a condition that the one or more processors determine that the update of the software is in the executable state.

Abstract: A software updating device includes a central processing unit (CPU), the CPU being configured to execute: obtaining schedule information, the schedule information including information regarding whether a scheduled event is scheduled for a user and information regarding a time slot of the scheduled event; predicting a blank period in the future in which the scheduled event will not occur, based on the schedule information that is acquired; deciding a scheduled update date-and-time that is a date and time when an update of software for an information processing device is performed, within the blank period; and performing the update of the software at the scheduled update date-and-time.