Abstract: A projection optical system includes a laser diode; a laser diode module having a plurality of the laser diodes one-line arranged; a light projecting lens to adjust spread of light emitted from the respective laser diodes; and an optical deflector to deflect light passing through the light projecting lens and irradiate a target with the deflected light. The laser diodes emit light such that the light spreads at a first angle in a first direction and spreads at a second angle being wider than the first angle in a second direction being perpendicular to the first direction. The laser diode modules are disposed such that an arrangement direction thereof coincides with the first direction and they are placed along the second direction and shifted in position relative to each other in the first direction. The light projecting lenses are disposed with corresponding to the laser diode modules.

Abstract: A vehicle communication system includes a vehicle-mounted device and a portable device. In the vehicle communication system, a transmission unit transmits a first to third radio signals having intensities weaker in this order, a measurement unit measures an intensity of each of the radio signals, and a determination unit that determines whether an intensity difference between any two of the radio signals among the radio signals measured by the measurement unit is larger than a threshold value. Control of a target mounted on the vehicle is permitted if the intensity difference is larger than the threshold value.

Abstract: A circuit board includes a first insulating layer having an upper surface on which mounting regions of electronic components and wiring patterns are provided, a metal core provided on the lower surface of the first insulating layer, in such a way as to vertically overlap with the mounting regions, and a second insulating layer provided on the lower surface of the first insulating layer, around the metal core. The lower surface of the metal core is exposed from the second insulating layer, the thermal conductivities of the first insulating layer and the metal core are higher than the thermal conductivity of the second insulating layer, and the hardness of the first insulating layer is higher than the hardness of the second insulating layer. Through holes that penetrate the insulating layers and that connect wiring patterns of the insulating layers are provided.

Abstract: A printed board includes: a base member; a recess portion provided in the base member; a heat dissipation member fitted into the recess portion; and a wiring pattern provided on an upper side of the base member and the heat dissipation member via an insulator. A contact portion in which an inner circumferential surface of the recess portion and an outer circumferential surface of the heat dissipation member contact each other and a separation portion in which those do contact each other are formed. A gap between the recess portion and the heat dissipation member is filled with thermosetting resin of the base member melted by heating. At least a partial portion in a width direction of the wiring pattern passes through a position vertically overlapping the separation portion while an entire portion thereof does not pass through a position vertically overlapping the contact portion.

Abstract: A voltage conversion device includes a first conversion circuit configured to switch a DC voltage at a DC power supply to convert the DC voltage into an AC voltage, a second conversion circuit configured to rectify the AC voltage converted with the first conversion circuit to convert the AC voltage into a DC voltage, a controller configured to control switching operation of the first conversion circuit, and emergency power supply circuits (a clamp circuit and a constant-voltage circuit) provided between a connection point of an auxiliary switching element and a capacitor and the controller. When an input voltage at the DC power supply decreases due to start-up of a starter motor in releasing idling stop of a vehicle, the emergency power supply circuits obtain a power supply voltage necessary for operation of the controller from a voltage at the connection point, and supply the power supply voltage to the controller.

Abstract: A biological information detection apparatus includes a vehicle opening detector, a riding detector, a radio wave transmitter-receiver, a biological information detector, and a correction value setting unit. The radio wave transmitter-receiver transmits a radio wave and receive a reflected wave of the radio wave, and the correction value setting unit sets a correction value for detecting biological information based on the receiving result after detection of opening of a vehicle by the vehicle opening detector and before detection of riding of a driver in the vehicle by the riding detector. The radio wave transmitter-receiver transmits a radio wave and receives a reflected wave reflected by the body surface of the driver, and the biological information detector detects biological information of the driver based on the receiving result and the correction value after the detection of riding of the driver in the vehicle by the riding detector.

Abstract: A switch device includes a button, a slider, and a holder in which the button and the slider are slidably held. The slider includes first guide portions. The holder includes: a first holding portion which holds the button; a second holding portion which holds the slider; and second guide portions engaged with the first guide portions. The button includes: a protrusion wall interposed between the second holding portion and the slider; and engaging portions provided in the protrusion wall and engaged with guide projection portions. At least one guide projection portion is provided to extend in a sliding direction of the slider, and a fitting-in portion into which an end portion of the protrusion wall is fitted is provided on a side surface of the guide projection portion extending in the sliding direction.

Abstract: A voltage conversion device includes a first conversion circuit, a second conversion circuit, a voltage detection circuit, and a CPU (failure detector). The first conversion circuit switches a DC voltage at a DC power supply to convert the DC voltage into an AC voltage. The second conversion circuit rectifies the AC voltage converted with the first conversion circuit to convert the AC voltage into a DC voltage. The voltage detection circuit detects voltage at a connection point of an auxiliary switching element and a first capacitor. The CPU monitors a change in voltage at the connection point in a predetermined period, the voltage being detected with the voltage detection circuit, and detects failure that occurs in one of or both a main switching element and the auxiliary switching element during operation based on the change in the voltage.

Abstract: A vehicle control system includes a vehicle control apparatus mounted on a vehicle for controlling the vehicle, an electronic key carried by a user for performing communication with the vehicle control apparatus, and a portable device carried by the user for performing communication with the electronic key. When detecting user's getting in or out of the vehicle, the vehicle control apparatus determines a location of the electronic key based on communication with the electronic key. When the location of the electronic key is in the vehicle and the user has no intention of getting out of the vehicle, communication between the electronic key and the portable device is brought into a connected state. When the location of the electronic key is outside the vehicle and the user has no intention of getting in the vehicle, communication between the electronic key and the portable device is brought into a disconnected state.

Abstract: A biological information detection device is installed in equipment including a body support portion, and detects biological information of a user of the equipment. The device includes: a detection unit including: a transmitter which transmits a radio wave toward a part of the body supported by the body support portion; and a receiver which receives a reflected wave obtained as the radio wave transmitted by the transmitter and then reflected on a part of the body; and a detection support portion which forms a part of the body support portion, and which supports a part of the body to which the transmitter transmits the radio wave. Hardness with respect to a part of the body at the detection support portion is softer than hardness with respect to a part of the body at the body support portion excluding the detection support portion.

Abstract: A multiphase electric motor control device includes: a bridge circuit including phase circuits each including a high potential side switching element, a low potential side switching element, and a current detector, a PWM control unit that outputs PWM signals to the switching elements; a control unit that acquires phase current values at a timing synchronized with a triangle wave; and a current value estimation unit that estimates a phase current value of one phase based on phase current values of other phases. In a case where an ON time of the PWM signal output to the low potential side switching element of the one phase from the PWM control unit is shorter than a predetermined time, the control unit acquires the phase current values which are detected by shifting the timing by using the current detectors of at least the other phases.

Abstract: An electric wave type biosensor includes: an electromagnetic wave irradiation unit; and a reflected wave receiving unit which receives a reflected wave and obtains an I signal obtained by multiplying the irradiated electromagnetic wave signal and the received reflected signal, and a Q signal obtained by delaying the I signal only by a predetermined phase. The electric wave type biosensor further includes: a differentiation calculation unit which differentiates the I signal and the Q signal and calculates an I signal differential value and a Q signal differential value; and an angular velocity calculation unit which calculates an angular velocity of the I signal and the Q signal, based on the I signal and the Q signal and the I signal differential value and the Q signal differential value.

Abstract: An electric wave type biosensor includes: an electromagnetic wave irradiation unit; and a reflected wave receiving unit which receives a reflected wave and obtains an I signal and a Q signal. The electric wave type biosensor further includes: an I-Q norm angular velocity calculation unit which calculates an angular velocity and an IQ norm of the I signal and the Q signal, based on the I signal and the Q signal; a bio-information extract unit which extracts bio-information of the living body, based on the calculated angular velocity; and an output determination unit which determines whether the bio-information extracted by the bio-information extract unit is to be output based on whether a size of the calculated angular velocity is within a first threshold value.

Abstract: A voltage conversion apparatus includes connection terminals to which a battery, a capacitor, and a protected load are respectively connected, a first DC-DC converter having input/output terminals, a second DC-DC converter having input/output terminals, a first power path having one end connected to the first connection terminal and the other end connected to the first input/output terminal, a second power path having one end connected to the second input/output terminal and the other end connected to the third input/output terminal, a third power path having one end connected to the fourth input/output terminal and the other end connected to the second connection terminal, and a fourth power path having one end connected to a midway part of the second power path and the other end connected to the third connection terminal.

Abstract: A transformer includes a stacked structure in which a plurality of coils is stacked through insulation layers. The stacked structure includes: a primary coil stacked layer including a plurality of primary coil layers connected in parallel with one another; and a secondary coil stacked layer including a plurality of secondary coil layers connected in parallel with one another. One of the primary coil layers is disposed as an outermost layer in the stacked structure, and another is disposed between at least two layers of the plurality of secondary coil layers. The primary coil layer includes a plurality of primary coils connected in parallel with one another. The secondary coil layer includes one or more secondary coils thicker than the primary coil.

Abstract: An on-vehicle apparatus control system includes: an on-vehicle control device; and a portable machine. The on-vehicle apparatus control system includes: a mode switching unit that selects a permission mode or a prohibition mode; and an illegality recording portion that records transmission or reception of a response request signal as illegality history in a case where the response request signal is transmitted from the on-vehicle control device or is received by the portable machine during the prohibition mode. If the response request signal is received by the portable machine during the permission mode, the portable machine transmits the response signal. If the response request signal is received by the portable machine during the prohibition mode, the portable machine transmits an illegality notification signal instead of the response signal, and the on-vehicle control device does not control an on-vehicle apparatus if the illegality notification signal is received.

Abstract: In a manipulation assisting control apparatus, a manipulation assistance controller causes a switch unit to be in an on-state and which executes control of a motor drive circuit to apply an assisting force, in a case where a manipulation target object is moved in a predetermined direction. A first stop controller causes the switch unit to be in an off-state and stops the control of the motor drive circuit, in a case where the manipulation target object moved in the predetermined direction stops at an end position. A second stop controller causes the switch unit to be in the on-state and stops the control of the motor drive circuit, in a case where the manipulation target object moved in the predetermined direction stops at an intermediate position or in a case where the manipulation target object moves in a direction opposite to the predetermined direction.

Abstract: A motor control device includes: an inverter circuit including a semiconductor switching element for drive which drives a motor; a cut-off circuit including a semiconductor switching element for cut-off which cuts off an electric connection between the motor and the inverter circuit; a failure detection unit; a rotation number detection unit; and a control unit. In a case where the failure detection unit detects a failure of the semiconductor switching element for drive, the control unit turns off the semiconductor switching element for drive, and in a case where the number of rotations of the motor which is detected by the rotation number detection unit is less than a predetermined first threshold, the control unit further turns off the semiconductor switching element for cut-off.

Abstract: A vehicle control device includes a plurality of LF transmitters transmitting response request signals that reach an area around a vehicle and an interior of a vehicle chamber, and a UHF receiver receiving a signal transmitted from a portable machine. The portable machine includes an LF receiver receiving the response request signal and a UHF transmitter transmitting a response signal. The LF receiver in the portable machine has a reception region in which the response request signals transmitted from at least two of the LF transmitters are receivable when the portable machine approaches the vehicle. Door locking/unlocking is permitted if the LF receiver in the portable machine receives the response request signals transmitted from at least two of the LF transmitters within a predetermined time period. In contrast, door locking/unlocking is inhibited if the LF receiver receives the response request signal transmitted from one of the LF transmitters.

Abstract: A control device of the present disclosure includes a receiver configured to receive a function enabling signal transmitted from a portable machine used to manipulate a vehicle, a determination unit configured to measure a predetermined time since the receiver receives the function enabling signal and determine whether the predetermined time elapses, and an opening and closing body controller configured to control opening and closing of an opening and closing body of the vehicle. The opening and closing body controller controls an opening operation of the opening and closing body based on user's action detected by a sensor, which is provided in or around the opening and closing body to detect the user's action, before the determination unit determines that the predetermined time elapses and after the receiver receives the function enabling signal from the portable machine.