Abstract: A module includes a first antenna that performs, with a wireless communication terminal, communication for determining whether unlocking or locking of a door of a vehicle is enabled, a first board being installed with the first antenna, and a housing that houses the first board. The housing is housed in a support frame of a body of the door that supports an open and close operation portion of the door outside in a width direction of the vehicle in such a way as to be operatable.

Abstract: A steering device includes: a sensor drive unit configured to drive a sensor element provided in a steering to detect a gripped state of the steering; and a heater drive unit configured to drive a heater provided in the steering, in which the sensor drive unit executes driving of the sensor element periodically at an interval, the heater drive unit executes heater driving alternately with sensor driving by the sensor drive unit, and the interval of sensor driving is expanded in a state where the steering is gripped, compared with a state where the steering is not gripped.

Abstract: A capacitance sensor detects proximity of a detection object based on changes in capacitances between the detection object and a first detection electrode and between the detection object and a second detection electrode. The capacitance sensor includes: a capacitor applied with a first potential; a first switch provided over terminals of the capacitor; a second switch connected to the capacitor; a third switch connected to the second switch and the first detection electrode, and applied with a second potential; a fourth switch connected to the capacitor; a fifth switch connectable to the second detection electrode and connected to the fourth switch, and applied with the second potential; and a determination unit determining a failure of the first detection electrode based on a potential difference between a potential of the terminal of the capacitor and a reference potential.

Abstract: A sensor module includes: a module side connection unit connected to a power source via a power source side connection unit; a control IC energized from the power source via the power source side connection unit and the module side connection unit and configured to control a sensor; a first power source line provided across the module side connection unit and the control IC; an increase instruction unit configured to issue an instruction to increase a current flowing through the power source side connection unit and the module side connection unit; and a current increase unit provided across the first power source line and a second power source line to which a potential lower than that of the first power source line is applied, and configured to increase the current in accordance with the instruction of the increase instruction unit.

Abstract: A door handle device provided on a door handle includes: a sensor electrode configured to detect locking and unlocking operations for locking and unlocking a lock of a door according to proximity of a user; a sensor IC configured to control the detection by the sensor electrode; an antenna configured to receive a radio wave propagated from a user terminal and containing an authentication key, and to transmit the radio wave to be propagated toward a periphery; a voltage induction coil configured to generate an induced electromotive force according to the radio wave; a detection unit configured to detect the induced electromotive force generated in the voltage induction coil; and an antenna driving determination unit configured to determine whether the radio wave has been transmitted to and received from the terminal via the antenna based on the induced electromotive force.

Abstract: A module includes a first antenna that performs, with a wireless communication terminal, communication for determining whether unlocking or locking of a door of a vehicle is enabled, a first board being installed with the first antenna, and a housing that houses the first board. The housing is housed in a support frame of a body of the door that supports an open and close operation portion of the door outside in a width direction of the vehicle in such a way as to be operatable.

Abstract: A door lock system includes a first circuit performing a first communication to request a response for determining availability of unlocking a door, a second circuit performing a second communication for determining availability of unlocking the door and transmitting a reception result of the second communication to an outside of the door lock system, and a control circuit controlling operations of the first circuit and the second circuit. The control circuit stops one of the first communication and the second communication from being performed in a case where the other one of the first communication and the second communication is performed.

Abstract: A capacitance sensor detects proximity of a detection object based on changes in capacitances between the detection object and a first detection electrode and between the detection object and a second detection electrode. The capacitance sensor includes: a capacitor applied with a first potential; a first switch provided over terminals of the capacitor; a second switch connected to the capacitor; a third switch connected to the second switch and the first detection electrode, and applied with a second potential; a fourth switch connected to the capacitor; a fifth switch connectable to the second detection electrode and connected to the fourth switch, and applied with the second potential; and a determination unit determining a failure of the first detection electrode based on a potential difference between a potential of the terminal of the capacitor and a reference potential.

Abstract: A vehicle human detection device includes: a conductive detection electrode provided in a sheet shape to cover a surface of a housing; an insulation layer stacked to cover the detection electrode; a capacitive coupling prevention electrode stacked on an area of the insulation layer that covers a non-detection area of the detection electrode other than a preset detection area; and a detection control unit configured to apply an AC voltage to the detection electrode and detect that a human touches the detection area based on a change in a capacitance of the detection electrode.

Abstract: A steering apparatus includes a steering structure including an outer surface, a groove portion provided on the outer surface, a surface cover covering the outer surface, and a conductive function member arranged in the groove portion along an extension direction of the groove portion.

Abstract: A steering apparatus includes a steering structure including an outer surface, a groove portion provided on the outer surface, a surface cover covering the outer surface, and a conductive function member arranged in the groove portion along an extension direction of the groove portion.

Abstract: A door lock system includes a first circuit performing a first communication to request a response for determining availability of unlocking a door, a second circuit performing a second communication for determining availability of unlocking the door and transmitting a reception result of the second communication to an outside of the door lock system, and a control circuit controlling operations of the first circuit and the second circuit. The control circuit stops one of the first communication and the second communication from being performed in a case where the other one of the first communication and the second communication is performed.

Abstract: A steering device includes: a sensor drive unit configured to drive a sensor element provided in a steering to detect a gripped state of the steering; and a heater drive unit configured to drive a heater provided in the steering, in which the sensor drive unit executes driving of the sensor element periodically at an interval, the heater drive unit executes heater driving alternately with sensor driving by the sensor drive unit, and the interval of sensor driving is expanded in a state where the steering is gripped, compared with a state where the steering is not gripped.

Abstract: A vehicle human detection device includes: a conductive detection electrode provided in a sheet shape to cover a surface of a housing; an insulation layer stacked to cover the detection electrode; a capacitive coupling prevention electrode stacked on an area of the insulation layer that covers a non-detection area of the detection electrode other than a preset detection area; and a detection control unit configured to apply an AC voltage to the detection electrode and detect that a human touches the detection area based on a change in a capacitance of the detection electrode.

Abstract: An electrostatic capacitance detection device includes: an electrostatic capacitance sensor; and a control device that controls the electrostatic capacitance sensor, wherein the control device has a plurality of detection modes for detecting a capacitance change amount corresponding to a change amount of electrostatic capacitance of the electrostatic capacitance sensor, detects the capacitance change amount in each of the plurality of detection modes, and determines presence or absence of contact or approach of an object to the electrostatic capacitance sensor based on the capacitance change amount.

Abstract: A door handle device for a vehicle includes: an antenna and a DC driving detection member capable of detecting approach or contact of a person, the antenna and the DC driving detection member being electrically connected to a drive control portion via a first connection line and a second connection line, and being connected in parallel to each other. The antenna is driven by an AC voltage supplied from the drive control portion, the first connection line and the second connection line are respectively connected to a positive DC power source and a ground, and thereby the detection member is driven by a DC voltage supplied from the drive control portion, the antenna includes a resonance capacitor and an antenna coil which are connected in series. The detection member includes a power source terminal, and a ground terminal.

Abstract: An antenna driving apparatus includes: a direct current power source supplying direct current power to a human detecting IC detecting contact to a human detecting area by a user, the power source outputting a power source voltage to a first connecting line connected to a power source terminal of the IC and outputting a reference potential to a second connecting line connected to a GND terminal of the IC; an antenna driving circuit driving an antenna transmitting a signal to a portable device, the antenna driving circuit outputting a first antenna drive signal to the first connecting line and outputting an antenna drive signal; and a control unit performing switching control of the power source voltage and the antenna drive signal to be output to the first and second connecting lines and switching control of the antenna driving circuit.

Abstract: A vehicle door locking system includes: a sensor device that is mounted in a door handle or a vehicle door of a vehicle, detects presence or absence of an object approaching or being in contact with the sensor device, and outputs a signal for locking or unlocking the vehicle door; and a sensor controller that controls the sensor device, wherein the sensor controller changes a control state of the sensor device or changes a processing state of the signal output from the sensor device on the basis of new information which includes at least one of information output from the sensor device and information output from a device other than the sensor device.

Abstract: A piezoelectric device is a fired body including a body part 10 and external electrodes 21 and 22. A surface of the side electrode 22 is comprised only of a material for the side electrode 22. On a surface of the surface electrode 21 or a surface of a connection portion where the surface electrode 21 and the side electrode 22 are connected to each other, a protrusion h extending along a direction along which the connection portion extends and sticking out in a thickness direction of the surface electrode 21 is provided. A region, on the surface of the surface electrode 21, farther from the connection portion than the protrusion h is interspersed with a plurality of exposed portions in each of which a surface of a ceramic material having lower solder wettability than a material for the surface electrode 21 is exposed.

Abstract: A door handle device for a vehicle includes: an antenna and a DC driving detection member capable of detecting approach or contact of a person, the antenna and the DC driving detection member being electrically connected to a drive control portion via a first connection line and a second connection line, and being connected in parallel to each other. The antenna is driven by an AC voltage supplied from the drive control portion, the first connection line and the second connection line are respectively connected to a positive DC power source and a ground, and thereby the detection member is driven by a DC voltage supplied from the drive control portion, the antenna includes a resonance capacitor and an antenna coil which are connected in series. The detection member includes a power source terminal, and a ground terminal.