Abstract: A hydroplaning determination device that determines occurrence of a hydroplaning phenomenon in a vehicle includes a tire mount sensor including a vibration detection unit, a signal process unit and a transmission unit, and a vehicle body system including a receiver, a condition determination unit and a hydroplaning determination unit. The vibration detection unit is attached to a rear surface of a tire provided in a vehicle and outputs a detection signal according to a magnitude of vibration of the tire. The signal process unit generates a vibration data based on the detection signal. The hydroplaning determination unit determines, based on the vibration data, whether a hydroplaning phenomenon has occurred when the condition determination unit determines that a road surface condition is a wet condition in which a water film exists between the tire and a road surface.

Abstract: An information providing system for a vehicle includes: first and second mobile terminals worn by a driver and fellow passenger, respectively of the vehicle, and an information providing device, which are communicated with each other. Further, the information providing device includes a control unit that executes information provision control for generating information indicating that the physical condition of the fellow passenger is the predetermined state and transmitting the generated information to the first mobile terminal, in a case where it is determined that the physical condition of the fellow passenger is the predetermined state.

Abstract: A vehicle communication device incudes: an information creation unit that creates information related to a plurality of users based on pieces of personal information of the plurality of users held by wearable terminals when the plurality of users respectively wearing the wearable terminals ride on a vehicle; and an information display unit that displays the information created by the information creation unit on the wearable terminals worn by the plurality of users.

Abstract: A detection apparatus includes: a transmitter transmitting an electric wave toward an inside of a vehicle; a receiver receiving the transmitted electric wave each time the transmitter transmits the electric wave, and performing output in accordance with reception strength of the received electric wave; and a determination portion, based on the reception strength of the electric wave received by the receiver, comparing a change mode of the electric wave received by the receiver changing over time to a predetermined reference mode and determining whether a person is present between the receiver and the transmitter.

Abstract: A tire side device is provided with a vibration detection unit that outputs a detection signal corresponding to the magnitude of tire vibration, a control unit that performs to generate road surface data indicating a road surface condition that appears in the waveform of the detection signal, and a first data communication unit that transmits the road surface data. Furthermore, a vehicle body side system is provided with a second data communication unit that receives the road surface data transmitted from the first data communication unit, and a road surface determination unit that determines the condition of the road surface that the vehicle is traveling on the basis of the road surface data.

Abstract: A tire-mounted sensor is mounted to a rear surface of a tread of a tire. the tire-mounted sensor includes: a vibration detector, a signal processor, a transmitter, and an activation controller. The vibration detector outputs a detection signal according to amplitude of a vibration of the tire. The signal processor extracts a ground contact section during which the portion of the tread provided with the vibration sensor is in contact with the ground, from the detection signal, and generates a road surface data based on the detection signal during the ground contact section. The transmitter transmits the road surface data. The activation controller starts an activation of the signal processor at a time in association with the ground contact starting time at which the portion of the tread provided with the vibration detector begins to be in contact with the ground.

Abstract: A road surface state determination device includes a tire-side device and a vehicle-body-side system. The tire-side device is attached to each of a plurality of tires included in a vehicle. The vehicle-body-side system is included in a body of the vehicle. The tire-side device may output a detection signal corresponding to a magnitude of vibration of the tire. The tire-side device may sense the detection signal and generate road surface data indicative of a road surface state appearing in a waveform of the detection signal. The tire-side device may transmit the road surface data. The vehicle-body-side system may perform bidirectional communication with the tire-side device and receive the road surface data. The vehicle-body-side system may determine the road surface state of a road surface on which the vehicle is traveling based on the road surface data.

Abstract: A tire system includes a tire-side device and a vehicle-body-side system. The tire-side device may be attached to a tire included in a vehicle. The vehicle-body-side system may be attached to a body of the vehicle. The tire-side device may output a detection signal corresponding to each of a plurality of types of detection targets. The tire-side device may perform processing of the detection signal and generate the data related to the detection target. The tire-side device may perform bidirectional communication with the vehicle-body-side system and transmit the data to the vehicle-body-side system. The vehicle-body-side system may perform bidirectional communication with the tire-side device and receive the data. The vehicle-body-side system may acquire the detection result for the detection target based on the data.

Abstract: A sound input/output device for a vehicle includes: microphones that are provided within a vehicle cabin; a plurality of directional speakers that are provided within the vehicle cabin, and that output sound to respective seats; an output position specifying section that specifies a seat that is an output destination from a voice collected by one or more of the microphones or from input from an utterer of a voice; and an output control section that outputs sound from one or more of the speakers to a seat specified by the output position specifying section.

Abstract: A tire mount sensor detects a road surface condition such as a type of a road surface and a road surface ?, and transmits road surface data indicating a detection result to a communication center. The communication center collects road surface data more precisely, and the vehicle receives the more precise road surface data from the communication center. Based on received more precise road surface data, the risk of the vehicle is determined. Thus, the road surface condition is detected using the tire mount sensor, so that the road surface condition is detected without braking. Accordingly, it is possible to detect the road surface condition with high frequency, so that the road surface condition is detected in wider area, and it is possible to perform the control more appropriately for avoiding the risk based on the road surface condition during a travel.

Abstract: A road surface condition identification apparatus for identifying a road surface condition is provided. The road surface condition identification apparatus includes a vibration detector unit configured to output a detection signal being an analog signal according to magnitude of vibration of the tire. For identifying the road surface condition, the road surface condition identification apparatus performs A-D conversion of converting the detection signal of the vibration detector unit into a digital signal. Based on data on vehicle speed, the road surface to condition identification apparatus sets a conversion range of the magnitude of the vibration of the tire used in the AD conversion from the detection signal into the digital signal.

Abstract: An operation circuit contains a parallel operation circuit including operators storage circuits. Each storage circuit has an input storage circuit that stores elements of an input vector in an order based on an index of each element; and a coefficient storage circuit including a ring buffer that stores elements of a row or column vector of a coefficient matrix in an order based on an index of each element. Each operator sequentially multiplies the elements of the coefficient matrix in the storage circuit by a corresponding one of the elements of the input vector, and adds a result of multiplication to a corresponding one of elements of the output vector based on the index thereof.

Abstract: A vehicle input-operation assistance device includes: a traveling state detection section that detects a traveling state of a vehicle; an operation state detection section that detects an operation state of an operation member gripped by an occupant during operation; a support section that is capable of being stowed in an interior component of the vehicle, and that is capable of projecting from the interior component to a support position where the support section is capable of supporting an elbow of the occupant when the occupant is operating the operation member; and a controller that determines whether or not the elbow of the occupant operating the operation member needs to be supported based on information detected by the traveling state detection section and the operation state detection section and, in cases in which support is determined to be needed, controls the support section to project to the support position.

Abstract: In a tire-mounted sensor attached to a tire, the rotation direction of which is predetermined with respect to the direction of forward movement, a left/right determination as to which of a right wheel or a left wheel has the tire-mounted sensor attached thereto is made on the basis of a detection signal of an acceleration sensor. The result of left/right determination is transmitted to a receiver. In this way, without requesting an operator's manual operation or equipment for bidirectional communication, which of the right wheel or the left wheel has the tire-mounted sensor attached thereto can be determined.

Abstract: A road surface condition assessing device includes a tire-side device disposed in a tire and a vehicle-body-side system disposed on a vehicle body side. The tire-side device generates a detection signal corresponding to a magnitude of vibration of the tire, produces road surface data based on the detection signal, and performs data communication with the vehicle-body-side system. The vehicle-body-side system performs the data communication with the tire-side device and assesses a road surface condition based on the road surface data received from the tire-side device.

Abstract: A tire-mounted sensor fixed to an inner wall of a tire includes: a sensor holding member including a sensor as a built-in sensor for detecting a physical amount applied to the tire and having a sensor terminal being exposed, a base portion as an attachment surface attached to the tire; and a sensor device being detachable from the sensor holding member including a controller receiving an input of a detection result of the sensor and performing signal processing, a transmitter transmitting information according to the detection result of the sensor acquired by the signal processing at the controller, and a terminal inputting the detection result of the sensor to the controller which is being exposed to have an electrical connection to the sensor terminal when the sensor device is attached to the sensor holding member.

Abstract: A display control device for a vehicle include: an acquisition unit that acquires information of an object located at a progress path of the vehicle; and a display control unit that, on the basis of the information acquired by the acquisition unit, causes information of the object to be displayed at a display unit of a spectacles-form wearable terminal, the wearable terminal being provided with the display unit and being configured to be worn by an occupant of the vehicle.

Abstract: A vehicle cabin airflow forming device includes an airflow forming unit. The airflow forming unit is configured to form airflows circulating around seating space of a seat and form, as part of the airflows, an ascending airflow on one lateral side of the seating space, and a descending airflow on the other lateral side of the seating space. The seat is provided inside a vehicle cabin, and the airflows circulate around the seating space as viewed from a front side of the seat.

Abstract: A protruding portion is provided on a molded resin portion of a tire mount sensor, and the longitudinal direction of the protruding portion is aligned with the longitudinal direction of an antenna. Further, the longitudinal direction of the antenna is set at a predetermined angle with respect to the acceleration detection direction of the G sensor. For example, with a predetermined angle of 0°, the longitudinal direction of the antenna may be matched with the acceleration detection direction of the G sensor.

Abstract: A sound input/output device for a vehicle includes: microphones that are provided within a vehicle cabin; a plurality of directional speakers that are provided within the vehicle cabin, and that output sound to respective seats; an output position specifying section that specifies a seat that is an output destination from a voice collected by one or more of the microphones or from input from an utterer of a voice; and an output control section that outputs sound from one or more of the speakers to a seat specified by the output position specifying section.