Abstract: A method of rewriting programs of first and second electronic controllers includes transmitting data for rewriting each of the programs to each of the first and second electronic controllers with a common identifier through a communication network, causing the first electronic controller to rewrite the program thereof when the first electronic controller determines to rewrite the program thereof, causing the first electronic controller not to rewrite the program thereof when the first electronic controller determines not to rewrite the program thereof, causing the second electronic controller to rewrite the program thereof when the second electronic controller determines to rewrite the program thereof, and causing the second electronic controller not to rewrite the program thereof when the second electronic controller determines not to rewrite the program thereof.

Abstract: A method of rewriting programs of first and second electronic controllers includes transmitting data for rewriting each of the programs to each of the first and second electronic controllers with a common identifier through a communication network when batch rewriting of the programs is determined to be executed with respect to each of the first and second electronic controllers, transmitting the data for rewriting each of the programs to the first electronic controller with a first identifier when the batch rewriting of the programs is determined not to be executed with respect to the first electronic controller, and transmitting the data for rewriting each of the programs to the second electronic controller with a second identifier when the batch rewriting of the programs is determined not to be executed with respect to the second electronic controller.

Abstract: A vessel propulsion system includes an on-board network, a plurality of propulsion apparatuses provided on a hull and connected to the on-board network, and a network connector to connect a diagnosis device to the on-board network. Each of the propulsion apparatuses includes a controller configured or programmed to transmit operating state information showing an operating state of the respective propulsion apparatus to the diagnosis device via the network connector.

Abstract: A vessel propulsion system includes an on-board network, a plurality of propulsion apparatuses provided on a hull and connected to the on-board network, and a network connector to connect a diagnosis device to the on-board network. Each of the propulsion apparatuses includes a controller configured or programmed to transmit operating state information showing an operating state of the respective propulsion apparatus to the diagnosis device via the network connector.

Abstract: A vessel touch panel device mounted on a vessel includes a touch panel, a first instruction output that outputs a first instruction when a first operation instruction is input to the touch panel, a second instruction output that outputs a second instruction when a second operation instruction is input to the touch panel, a non-touch panel type activation operator that is provided separately from the touch panel, and a controller. The activation operator is operated by a user in order that a state of the vessel touch panel device is transferred from a first state where the first instruction output is inactive to a second state where the first instruction output is active. The controller performs activation control based on when a predetermined first condition is satisfied when in the first state, and deactivation control when in the second state a predetermined second condition is satisfied.

Abstract: A vessel display device displays information on a vessel. The vessel display device includes an information acquirer that acquires the same type of information on a plurality of propulsion machines included in the vessel, a display information generator that generates, based on the information acquired by the information acquirer, display information which displays information on the plurality of propulsion machines on a single scale, and a display that displays the display information generated by the display information generator. The display information generator may generate display information which displays the same type of information on the plurality of propulsion machines in a different format on a single scale. The display information generator may generate display information which sequentially displays the same type of information on the plurality of propulsion machines on a single scale.

Abstract: A vessel display device displays information on a vessel. The vessel display device includes an information acquirer that acquires the same type of information on a plurality of propulsion machines included in the vessel, a display information generator that generates, based on the information acquired by the information acquirer, display information which displays information on the plurality of propulsion machines on a single scale, and a display that displays the display information generated by the display information generator. The display information generator may generate display information which displays the same type of information on the plurality of propulsion machines in a different format on a single scale. The display information generator may generate display information which sequentially displays the same type of information on the plurality of propulsion machines on a single scale.

Abstract: A vessel touch panel device mounted on a vessel includes a touch panel, a first instruction output that outputs a first instruction when a first operation instruction is input to the touch panel, a second instruction output that outputs a second instruction when a second operation instruction is input to the touch panel, a non-touch panel type activation operator that is provided separately from the touch panel, and a controller. The activation operator is operated by a user in order that a state of the vessel touch panel device is transferred from a first state where the first instruction output is inactive to a second state where the first instruction output is active. The controller performs activation control based on when a predetermined first condition is satisfied when in the first state, and deactivation control when in the second state a predetermined second condition is satisfied.

Abstract: A remote control device for a vessel is installed in a vessel and remotely controls a vessel propulsion device of the vessel. The remote control device includes an operation member, an operation load applying mechanism, a control section, and an actuator. The operation member is supported rotatably around a rotation axis, and is operated by an operator to switch the shift position of a forward-reverse switching mechanism in the vessel propulsion device according to the operation angle of the operation member. The operation load applying mechanism applies an operation load to the operation member. The control section controls the operation load. The operation load applying mechanism includes an actuator that adjusts the operation load. The control section is arranged to control the actuator based on a vessel speed of the vessel.

Abstract: A remote control device for a vessel is installed in a vessel and remotely controls a vessel propulsion device of the vessel. The remote control device includes an operation member, an operation load applying mechanism, a control section, and an actuator. The operation member is supported rotatably around a rotation axis, and is operated by an operator to switch the shift position of a forward-reverse switching mechanism in the vessel propulsion device according to the operation angle of the operation member. The operation load applying mechanism applies an operation load to the operation member. The control section controls the operation load. The operation load applying mechanism includes an actuator that adjusts the operation load. The control section is arranged to control the actuator based on a vessel speed of the vessel.

Abstract: A theft deterrent apparatus is used in a marine vessel which includes a propulsion device. The theft deterrent apparatus includes an authentication unit, a fault detection unit arranged to detect a fault of the authentication unit, and an operation control unit arranged to control operation of the propulsion device. When the authentication unit is normal, the operation control unit controls the operation of the propulsion device in accordance with an authentication result of the authentication unit. When a fault has occurred in the authentication unit, the operation control unit controls the operation of the propulsion device without referring to the authentication result of the authentication unit.

Abstract: A theft deterrent apparatus in a marine vessel including a propulsion device having an engine coupled to a starter and a power generator, includes an authentication unit arranged to operate by receiving power from a battery that is arranged to supply power to the starter and accumulate power generated by the power generator, an operation control unit arranged to allow operation of the propulsion device if authentication by the authentication unit does succeed and prohibit operation of the propulsion device if authentication by the authentication unit does not succeed, a fault detection unit arranged to detect a fault of the authentication unit, and a fault detection control unit arranged to make a provisional fault judgment when the fault detection unit detects the fault of the authentication unit before completion of engine starting by the starter, and then make the fault detection unit perform the fault detection again after the completion of engine starting by the starter.

Abstract: In engine temperature display device for a watercraft, an engine temperature data value is calculated based on a detection signal of a temperature of an engine of an outboard motor. The engine temperature data value is sent to an engine state display device installed in a watercraft by a LAN. A control portion of the engine state display device computes the engine temperature data value based on a plurality of threshold temperatures of a standard engine model stored in a nonvolatile memory, and converts the data value into a display data for indicating a temperature level among a plurality of temperature levels. The display data is displayed on a display device on the watercraft. An engine temperature data value calculating and sending device computes using a plurality of threshold values on an engine block wall temperature specific to an engine, and sends the appropriately converted engine temperature data value.

Abstract: A marine vessel control apparatus is arranged to start and stop engines that are respectively provided in multiple propulsion devices. The marine vessel control apparatus includes multiple individual start/stop switches arranged to correspond to the respective multiple propulsion devices and arranged to be operated by an operator to individually start and stop the engines in the respective multiple propulsion devices, an all-device start/stop switch arranged to be operated by the operator to collectively start and stop the engines in the multiple propulsion devices, an operating state acquiring unit arranged to acquire operating states of the engines in the respective multiple propulsion devices, and a control unit. The control unit includes multiple input ports corresponding to the respective multiple individual start/stop switches. Each of the input ports is connected with the corresponding individual start/stop switch. All of the input ports are connected commonly with the all-device start/stop switch.

Abstract: A marine vessel propulsion system includes a plurality of propulsion devices, each including a motor and a propeller rotated by the motor.

Abstract: A theft deterrent apparatus in a marine vessel having a propulsion device includes a key unit arranged to transmit a user authentication code, a first authentication unit disposed apart from the propulsion device, a second authentication unit, and an operation control unit disposed in the propulsion device. The first authentication unit is arranged to receive the user authentication code transmitted by the key unit, execute an authentication process on the user authentication code, and generate a unit authentication code. The second authentication unit is arranged to receive the unit authentication code generated by the first authentication unit and execute an authentication process on the unit authentication code. The operation control unit is arranged to allow operation of the propulsion device if authentication by the second authentication unit does succeed, and prohibit operation of the propulsion device if the authentication by the second authentication unit does not succeed.

Abstract: A marine vessel power supply system supplies power to a plurality of propulsion devices each provided with an engine. The system includes a plurality of switching units arranged to turn on and off power supplies to the propulsion devices individually, an operation judgment unit arranged to judge whether the engine of each propulsion device is in an operating state or in a stopped state, and a power supply control unit arranged to turn off a switching unit of the plurality of switching units, when a switching unit is in the ON state and if the engine of the propulsion device corresponding to the switching unit is in a stopped state for not less than a predetermined time.

Abstract: A marine vessel control apparatus is arranged to start and stop engines that are respectively provided in multiple propulsion devices. The marine vessel control apparatus includes multiple individual start/stop switches arranged to correspond to the respective multiple propulsion devices and arranged to be operated by an operator to individually start and stop the engines in the respective multiple propulsion devices, an all-device start/stop switch arranged to be operated by the operator to collectively start and stop the engines in the multiple propulsion devices, an operating state acquiring unit arranged to acquire operating states of the engines in the respective multiple propulsion devices, and a control unit. The control unit includes multiple input ports corresponding to the respective multiple individual start/stop switches. Each of the input ports is connected with the corresponding individual start/stop switch. All of the input ports are connected commonly with the all-device start/stop switch.

Abstract: A marine vessel propulsion system includes a plurality of propulsion devices, each including a motor and a propeller rotated by the motor.

Abstract: A theft deterrent apparatus in a marine vessel including a propulsion device having an engine coupled to a starter and a power generator, includes an authentication unit arranged to operate by receiving power from a battery that is arranged to supply power to the starter and accumulate power generated by the power generator, an operation control unit arranged to allow operation of the propulsion device if authentication by the authentication unit does succeed and prohibit operation of the propulsion device if authentication by the authentication unit does not succeed, a fault detection unit arranged to detect a fault of the authentication unit, and a fault detection control unit arranged to make a provisional fault judgment when the fault detection unit detects the fault of the authentication unit before completion of engine starting by the starter, and then make the fault detection unit perform the fault detection again after the completion of engine starting by the starter.