Yazaki Corporation

Jun Goto

Shuichi Ishibashi

Masashi Suzuki

Terumitsu Sugimoto

Kunihiko Yamada

Ryoma Toyoda

Kenichi Katsumata

Sadaharu Okuda

Hideo Takahashi

Takuya Endo

Mitsuhiro Sugimori

A switch module includes a master switch unit and a slave switch unit. The master switch unit includes a master substrate, a determination unit mounted on the master substrate and configured to determine an ON/OFF state of a switch portion connected to the determination unit, a master-side switch portion mounted on the master substrate and connected to the determination unit, and at least one master-side connector mounted on the master substrate and connected to the determination unit. The slave switch unit includes a slave substrate, a slave-side switch portion mounted on the slave substrate, and a first slave-side connector mounted on the slave substrate and connected to the slave-side switch portion. The master-side connector is connected to the first slave-side connector.

Switch module, master switch unit, and slave switch unit

An in-vehicle system includes a zone control unit and lower-level control units. The zone control unit includes: a power supply control unit configured to control power supply to each of the lower-level control units; a communication control unit configured to control communication with each of the lower-level control units; and an abnormality detection unit configured to detect presence or absence of an abnormality in each of the lower-level control units. In a case in which an abnormality for two or more of elements including a power supply current value, a communication response time, and a MAC address is detected in at least one of the lower-level control units, the abnormality detection unit is configured to recognize that the at least one of the lower-level control units is an unauthorized device.

In-vehicle system including abnormality detection unit configured to recognize lower lever control unit as unauthorized by monitoring plurality of elements of lower level control unit

There are provided an updating method for in-vehicle software and an in-vehicle system for updating a software, the updating method including: securing one area in a memory on a zone control unit included in the in-vehicle system, the one area being capable of storing one update data for updating the zone control unit and lower control units which are an update object; repeatedly checking whether the update data exists in a predetermined software supply source; downloading the update data from the software supply source to store the update data in the one area, when the update data satisfying one download condition exists in the software supply source; and preferentially selecting the one update data with the highest priority from a plurality of update data to execute the downloading, when the plurality of update data satisfying the one download condition exist concurrently in the software supply source.

Updating method for in-vehicle software and in-vehicle system

An in-vehicle software updating method includes: acquiring, after starting a software update, a voltage measurement value of an in-vehicle power source; and acquiring a progress rate in the software update in a case in which the voltage measurement value is equal to or less than a second threshold. In a case in which the progress rate is less than a set value, the software update is interrupted. In a case in which the progress rate is equal to or greater than the set value, an operation mode of the zone control unit is switched to a power saving mode, and a second predicted voltage value of the in-vehicle power source at the update completion time is calculated. The software update is continued in a case in which the second predicted voltage value is greater than a first threshold.

In-vehicle software updating method and in-vehicle system

A communication system includes a host control device and a vicarious inputting and outputting unit that controls an electric device by communicating with the host control device. The vicarious inputting and outputting unit includes a standard board provided with a first control circuit which controls the electric device and at least one of an input circuit and an output circuit for a standard electric device. The first control circuit has an extension terminal for connection to an extension board provided with at least one of an input circuit and an output circuit for an extended electric device and is provided so as to be able to operate in response to respective specifications of plural kinds of extension terminals, and a specification of the extension terminal is set through communication with the host control device.

Communication system and vicarious inputting and outputting unit

An electronic unit includes a first board and a second board which are stacked on each other, a first connector mounted on a surface of the first board which faces the second board, and a second connector mounted on a surface of the second board which faces the first board. Each of the first connector and the second connector has a fitting portion and a lock portion configured to lock a fitting of the fitting portion. The fitting portion and the lock portion of the first connector are provided between the first board and the second board in a stack direction in which the first board and the second board are stacked. The fitting portion and the lock portion of the second connector are provided between the first board and the second board in the stack direction.

Electronic unit

A switching module includes a switching unit and a determination unit configured to determine a function of the switching unit and an ON/OFF state of the switching unit. The switching unit is provided with a plurality of function determination resistors. The determination unit is configured to determine the function of the switching unit according to a combination of voltages applied to the plurality of function determination resistors corresponding to resistor values of the plurality of function determination resistors.

Apparatus for identifying switch of switching module

An objective of the present invention is to provide an in-vehicle device, an arrival notification system and an arrival notification method which can enable an arrival of the vehicle to be easily recognized by a user. The objective is achieved by causing a notification device with a communication function to generate a notification sound when the vehicle arrives at a delivery target, which can enable an arrival of the vehicle to be easily recognized by the user. I.e., this can cause the notification device to generate the notification sound more easily and it can be recognized by users more easily than an arrival notification method by merely sending an electronic mail.

In-vehicle device, arrival notification system, and arrival notification method

An in-vehicle communication system including independent communication hub devices each incorporating a function of relaying communication and a function of controlling a communication path among a plurality of communication connectors, in which each of the communication hub devices includes an internal power supply unit configured to generate, based on input power supply power supplied from a main power supply on a vehicle side, stabilized power supply power necessary for operation of an internal circuit, and a backup power supply output unit configured to supply the input power supply power or the stabilized power supply power generated by the internal power supply unit to the other communication hub device as backup power, in which a backup power supply line is provided which connects the backup power supply output units of the plurality of communication hub devices.

In-vehicle communication system

An in-vehicle communication system includes a master control unit mounted on a vehicle, a plurality of slave devices mounted on the vehicle, a plurality of buckles provided in association with each of a plurality of seats mounted on the vehicle, and at least one switch unit configured to generate a signal in accordance with an attachment and detachment state of at least one of the plurality of buckles. The master control unit is communicably connected to each of the slave devices. The master control unit controls the plurality of slave devices based on the signal generated by the at least one switch unit.

A monitoring system includes an imaging unit configured to capture a depth image including a distance to a monitoring target person in a vehicle cabin, an estimation unit configured to estimate a three-dimensional human body model of the monitoring target person from the depth image captured by the imaging unit, and a monitoring unit configured to detect a get-off motion by monitoring a motion of a monitoring target portion of the human body model approaching the monitoring coordinate regarding a door manipulation in the cabin on the basis of the human body model estimated by the estimation unit.

Monitoring system

A monitoring system includes: a monitoring device that outputs a warning when detecting abnormality of a monitoring target person in an interior of a vehicle; a housing arranged on a surface on the interior side of a roof of the vehicle; and a release operation unit arranged being exposed to an outer face of the housing, the release operation unit being able to receive an input of a warning release operation. The monitoring device, in a state of outputting the warning, releases the warning when the warning release operation is input to the release operation unit. As a result, the monitoring system can appropriately monitor the monitoring target person in the interior of the vehicle.

An in-vehicle equipment control system includes a ceiling side controller installed in a ceiling of a vehicle and configured to control equipment installed at least in the ceiling; and a vehicle internal communication device configured to enable the ceiling side controller and a lower side controller to transmit and receive information signals to and from each other, the lower side controller having been installed in a part lower than the ceiling. The ceiling side controller is capable of receiving ceiling side detection signals regarding pieces of ceiling side detection information detected by at least one ceiling side detection device in the ceiling, as ceiling side information signals regarding pieces of ceiling side information, from the at least one ceiling side detection device.

In-vehicle equipment control system

An electric connection box includes: the housing, or a plurality of communication connectors provided therein; a communication switch circuit, which is provided inside the housing, has a communication relay function and controls a communication path between the plurality of communication connectors; and a common power supply circuit, which is provided inside the housing and capable of supplying common power generated based on the power from the input side power supply line to a plurality of electric circuits including the communication switch circuit.

Electric connection box

A vehicular interior lighting device includes a main body portion fixed to an inside surface of a roof, a light source accommodated in the main body portion, a light shielding cover portion constituting a housing with the main body portion and covering the light source from below, and a light guide member having a protruding portion protruding along the inside surface from a gap between the main body portion and the cover portion. The light guide member has a diffusion portion formed on a surface of the protruding portion facing downward and diffusing light, a first light guide portion guiding light emitted from the light source to the protruding portion, and a reflecting portion reflecting light guided by the first light guide portion toward the diffusion portion.

Growing community of inventors

Makinohara, Japan

Jun Goto