Abstract: To allow the driver to identify a notification vibration even in a situation in which the notification vibration may be masked depending on the road conditions. A vehicle notification device (1) randomly extract one of a plurality of pieces of signal data by the number of vibrators (exciters EX1 to EX4), each of the pieces of signal data being different in a combination of an initial frequency and a target frequency and generates a plurality of sweep signals by changing the frequency from the initial frequency to the target frequency of the extracted piece of signal data in cycles. A plurality of notification vibrations whose frequencies change in different frequency ranges are outputted by outputting the generated sweep signals, individually from the vibrators (exciters EX1 to EX4).

Abstract: Attenuation of output levels is suppressed while interference due to a plurality of vibrators is reduced. An acoustic control device 30 performs correction processing of correcting phase delay characteristics including transmission systems from exciters 21L and 21R which are first and second vibrators connected with a rigid body, on acoustic signals SR and SL. Thereafter, the acoustic control device 30 controls the exciters 21L and 21R on the basis of the corrected acoustic signals SL1 and SR1.

Abstract: To provide a a glass composition which can be used for a dental porcelain or a dental ceramics coloring material, and has low temperature meltability, acid resistance and preservation stability under the humid environment which are required for a dental porcelain or a dental ceramics coloring material, and a dental porcelain and dental ceramics coloring material which contain the glass composition of the present disclosure. To provide a low melting glass composition with softening point (Ts) less than 600° C. comprising as a component; SiO2: 55.0 to 75.0 wt. %, B2O3: 6.1 to 12.0 wt. %, Al2O3: 2.0 to 8.0 wt. %, ZnO: 2.0 to 8.5 wt. % and two or more kinds of alkali metal oxide: 10.5 to 20.0 wt. %.

Abstract: A tactile sensation providing apparatus 1 includes a contact detection unit 20 for detecting a contact, pressing detection units 42 and 44 for detecting pressing to the contact detection unit 20, a plurality of vibration units 52, 54, 56, and 58 for vibrating the contact detection unit 20, and a controller 10 for controlling such that, when data based on the pressing detected by the pressing detection units 42 and 44 satisfy a predetermined criterion, each of the plurality of vibration units 52, 54, 56, and 58 vibrates in respective modes and an intended tactile sensation is provided to a contact object pressing the contact detection unit 20 at a position where the contact object is in contact with the contact detection unit 20.

Abstract: For providing a tactile sensation regardless of an input position of a user when receiving a pressure at which the tactile sensation is to be provided, The tactile sensation providing apparatus includes: a load detection unit configured to detect a different pressure load depending on a pushed position even when an object presses by a uniform pressure a touch face of a touch sensor to detect a touch input; a tactile sensation providing unit which provides the tactile sensation to the object pressing the touch face of the touch sensor; and a control unit which controls according to the pushed position on the touch face such that the tactile sensation providing unit provides the tactile sensation to the pressing object when the pressing object, applying the uniform pressure, presses any position on the touch face for providing the tactile sensation.

Abstract: A vibration generator includes a vibration transmission member and an exciter. The vibration transmission member is disposed in a seat beneath a seat surface of the seat so as to extend longitudinally in a horizontal direction of the seat surface and is able to transmit a vibration in an extending direction of the vibration transmission member in which the vibration transmission member extends longitudinally. The exciter includes a voice coil, a permanent magnet disposed in the vicinity of the voice coil, a yoke supporting the permanent magnet. The exciter transmits the vibration to the vibration transmission member as the yoke and the voice coil approach or leave to each other. The yoke and the voice coil approach or leave in the same direction as the extending direction of the vibration transmission member.

Abstract: A tactile sensation providing apparatus includes a touch sensor configured to detect a touch input, a load detection unit configured to detect a pressure load on a touch face of the touch sensor, a tactile sensation providing unit configured to vibrate the touch face, and a control unit configured to adjust a drive signal of the tactile sensation providing unit based on a pushed position when the pressure load detected by the load detection unit satisfies a standard to provide a tactile sensation.

Abstract: Provided is a vibration generator that even if a vibration is generated in the seat surface of a seat, allows a seated person to easily feel the vibration. A vibration generator (1) includes a vibration transmission member (10) and an exciter (20). The vibration transmission member (10) is disposed in a seat surface (2a) of a seat (2) so as to extend in the horizontal direction of the seat surface (2a) and is able to transmit a vibration in the extending direction. The exciter (20) is able to transmit a vibration to the vibration transmission member (10) in the extending direction of the vibration transmission member (10).

Abstract: A semiconductor device includes a plurality of switching devices and a semiconductor substrate. The switching devices are connected in parallel to be driven. The switching devices are at the semiconductor substrate. Each of the switching devices, in a plan view of the semiconductor substrate, includes: a cell region as an IGBT that is provided with an active trench gate to be applied with a gate voltage; a periphery region as a contour of the switching device; and a non-cell region configured to isolate the cell region from the periphery region and arranged with a pad to provide an electrical connection to the cell region. The non-cell region is also provided with an active trench gate that is at a position without overlapping the pad.

Abstract: A semiconductor device includes IGBT devices; and a freewheeling diode provided for each IGBT device. The IGBT devices are connected in parallel to be driven. Each IGBT device includes: a collector region; a drift region; a body region; a trench gate penetrating the body region; and an emitter region surrounded by the body region and in contact with the trench gate. Each IGBT device further includes an active cell with the emitter region; a dummy cell without the emitter region; and an active dummy cell without the emitter region. The active dummy cell has a float cell where the body region is in electrically-floating condition. A ratio of the number of float cell to the total number of the active cell and the active dummy cell is larger than or equal to 5% and is smaller than or equal to 35%.

Abstract: An electronic device can effectively transmit sound even if a force is applied to a panel by an ear. The electronic device includes a panel (10) and a vibration unit (30) that vibrates the panel (10) to generate air-conducted sound and vibration sound that is transmitted through a portion of a human body. The intensity of vibration of the vibration unit (30) changes in accordance with the force applied to the panel (10).

Abstract: A tactile sensation providing apparatus capable of providing a constant tactile sensation to a user regardless of a position of a touch input is provided. According to the present invention, the tactile sensation providing apparatus has a touch sensor configured to detect the touch input, a load detection unit configured to detect a pressure load on a touch face of the touch sensor, a tactile sensation providing unit configured to vibrate the touch face, and a control unit configured to control drive of the tactile sensation providing unit based on a pushed position, when the pressure load detected by the load detection unit satisfies a standard to provide a tactile sensation, such that the tactile sensation is provided to an object pressing the touch face by vibration with certain amplitude independent of the pushed position.

Abstract: A stereo camera apparatus 10 includes: a first imaging unit 11R including an imaging optical system 14R provided with a plurality of lens groups, and an actuator 16R configured to change a focal length by driving at least one of the plurality of lens groups of the imaging optical system 14R; a second imaging unit 11L including an imaging optical system 14L provided with a plurality of lens groups, and an actuator 16L configured to change a focal length by driving at least one of the plurality of lens groups of the imaging optical system 14L; a focal length controller 21 configured to output synchronized driving signals to the actuators 16R and 16L; and an image processing unit 22 configured to calculate a distance to a subject by using images captured by the first imaging unit 11R and the second imaging unit 11L.

Abstract: To make a notification to the driver so that the driver can distinguish or recognize the notification. A vehicle notification device (1a) inputs a first sweep signal whose frequency is changed in a predetermined frequency range, to a vibrator (4), calculates frequency characteristics of a vibration in the vehicle interior, detects a frequency range in which the signal level of vehicle-travel-time frequency characteristics is higher than the signal level of vehicle-stop-time frequency characteristics by a predetermined level amount or more, generates a second sweep signal whose frequency is changed in a range obtained by excluding the detected frequency range from the predetermined frequency range of the first sweep signal, and outputs the second sweep signal from the vibrator (4).

Abstract: To make a notification to the driver so that the driver can distinguish or recognize the notification. A vehicle notification device (1a) inputs a first sweep signal whose frequency is changed in a predetermined frequency range, to a vibrator (4), calculates frequency characteristics of a vibration in the vehicle interior, detects a frequency range in which the signal level of vehicle-travel-time frequency characteristics is higher than the signal level of vehicle-stop-time frequency characteristics by a predetermined level amount or more, generates a second sweep signal whose frequency is changed in a range obtained by excluding the detected frequency range from the predetermined frequency range of the first sweep signal, and outputs the second sweep signal from the vibrator (4).

Abstract: To allow the driver to identify a notification vibration even in a situation in which the notification vibration may be masked depending on the road conditions. A vehicle notification device (1) randomly extract one of a plurality of pieces of signal data by the number of vibrators (exciters EX1 to EX4), each of the pieces of signal data being different in a combination of an initial frequency and a target frequency and generates a plurality of sweep signals by changing the frequency from the initial frequency to the target frequency of the extracted piece of signal data in cycles. A plurality of notification vibrations whose frequencies change in different frequency ranges are outputted by outputting the generated sweep signals, individually from the vibrators (exciters EX1 to EX4).

Abstract: Dual chips exchange a signal indicating a pressing load detected for providing the tactile sensation such that application process based on the pressing load is performed. A tactile sensation providing apparatus according to the present invention includes a touch sensor, a load detection unit configured to detect the pressing load on the touch sensor for providing the tactile sensation, a tactile sensation providing unit configured to vibrate a touch face of the touch sensor, a tactile sensation provision control unit configured to control drive of the tactile sensation providing unit, and a main control unit configured to control an application. The tactile sensation provision control unit transmits the pressing load to the main control unit. The main control unit, based on an output of the touch sensor and the pressing load received from the tactile sensation provision control unit, performs the application process.

Abstract: An exciter (1) includes a vibrator (2) including a yoke and a magnet, a frame (3) incorporating the vibrator (2) with a damper (4) therebetween, and a voice coil bobbin (5) disposed inside the frame (3) and having another end (5b) that extends to near the vibrator (2) and is provided with a voice coil (11). The frame (3) has an opening (3b), and the voice coil bobbin (5) is mounted on the edge of the opening (3b). One end (5a) of the voice coil bobbin (5) is opened to the outside of the frame (3). The voice coil bobbin (5) is provided with a vibrating member (10) that covers the opened portion.

Abstract: A notification device (1) includes a sweep signal generator (3) that generates a sweep signal by changing the frequency of a predetermined wave at a constant speed in a frequency band which allows exciters (EX1, EX2, EX3, EX4) to generate a vibration, a sweep signal divider (4) that divides the sweep signal into a higher-band sweep signal in a higher-frequency band including an overlap frequency band and a lower-band sweep signal in a lower-frequency band including the overlap frequency band, a signal output determination unit (2) that determines from which exciters the higher-band sweep signal and lower-band sweep signal should be outputted, and an output signal adjuster (9) that makes an adjustment for outputting the higher-band sweep signal and lower-band sweep signal from the exciters determined.

Abstract: A parallax calculation apparatus (12) includes an input interface (15) configured to acquire a stereo image including a first image and a second image and a controller (16) configured to calculate parallax by performing sequential matching of a block that is a portion of the second image with the first image while sequentially shifting the block from an initial position in a baseline length direction. The controller (16) varies the pitch at which the block is shifted next in accordance with the shift amount of the block from the initial position.