Abstract: A force sensor device includes a first stage, a second stage disposed behind the first stage with a gap therebetween, a plurality of beams fixed to the second stage and the first stage, and strain gauges attached on the plurality of beams. The first stage is configured to move relatively to the second stage in response to a force applied from the front. The plurality of fixed beams are configured to deform with the movement of the first stage. Each of the plurality of beams includes a decreasing region where at least either the width or the thickness monotonically decreases from a first fixing point to one of the first stage and the second stage toward a second fixing point to the other one of the first stage and the second stage. Each strain gauge is attached within the decreasing region.

Abstract: A user interface device includes a knob device having a mechanical structure that presents a tactile stimulus in response to every predetermined amount of knob operation, a panel on which the knob device is mounted, a controller, and a vibration generator configured to vibrate the knob device, the vibration generator being controllable by the controller. The controller controls the vibration generator to make the knob device vibrate synchronously with the predetermined amount of knob operation for the knob device to present a tactile stimulus in addition to the tactile stimulus by the mechanical structure.

Abstract: A tactile presentation device includes a panel including a region touchable by a user, vibrators disposed outside the touchable region, and a driving controller to supply driving signals to the vibrators. At least a part of the entire outer end of the panel is an absorber end region. Each point closest to one of the vibrators on the entire outer end of the panel is included in the absorber end region. The driving controller supplies driving signals to the vibrators to generate a standing wave on the touchable region. Each of the driving signals is a synthetic wave of a carrier and a modulating wave at a frequency lower than a frequency of the carrier. The driving controller is configured to control location of a node of the standing wave in the touchable region with phase differences among carriers of the driving signals for the vibrators.

Abstract: A user interface device includes a knob device having a mechanical structure that presents a tactile stimulus in response to every predetermined amount of knob operation, a panel on which the knob device is mounted, a controller, and a vibration generator configured to vibrate the knob device, the vibration generator being controllable by the controller. The controller controls the vibration generator to make the knob device vibrate synchronously with the predetermined amount of knob operation for the knob device to present a tactile stimulus in addition to the tactile stimulus by the mechanical structure.

Abstract: A piezoelectric device has a multilayer structure on a support member and includes a piezoelectric element layer including a piezoelectric element, a thin-film transistor layer located between the piezoelectric element layer and the support member, and a seat disposed between the support member and the thin-film transistor layer. The piezoelectric element includes an upper electrode, a lower electrode, and a piezoelectric film between the upper electrode and the lower electrode. The seat includes a void region inside the seat, the void region overlapping the piezoelectric element in a layering direction.

Abstract: A tactile presentation device includes a panel including a region touchable by a user, vibrators disposed outside the touchable region, and a driving controller to supply driving signals to the vibrators. At least a part of the entire outer end of the panel is an absorber end region. Each point closest to one of the vibrators on the entire outer end of the panel is included in the absorber end region. The driving controller supplies driving signals to the vibrators to generate a standing wave on the touchable region. Each of the driving signals is a synthetic wave of a carrier and a modulating wave at a frequency lower than a frequency of the carrier. The driving controller is configured to control location of a node of the standing wave in the touchable region with phase differences among carriers of the driving signals for the vibrators.

Abstract: An ultrasonic sensor device includes a plurality of pixels each including an ultrasonic transducer, and a control circuit configured to control the plurality of pixels. Each of the plurality of pixels is configured to hold a signal received by the ultrasonic transducer therein and send the signal to the control circuit as a response signal. The control circuit is configured to acquire an excitation response signal, which is a response signal sent from a pixel after the ultrasonic transducer therein is excited, acquire a non-excitation response signal, which is a response signal sent from a pixel when the ultrasonic transducer therein is not excited, and correct the excitation response signal based on the non-excitation response signal.

Abstract: A tactile presentation device includes a panel, a first supporting member that secures and supports a first end of the panel, a vibration generator disposed at a position facing the first supporting member across a target area to be touched by a user on the panel, and a driving control device that provides the vibration generator with a driving signal. The driving control device makes only the vibration generator vibrate to form a standing wave in an area including the target area between the vibration generator and the first end. A first vibration reflection rate at the first end for a carrier wave from the vibration generator is negative. A second vibration reflection rate for the carrier wave from the vibration generator at a second end of the panel that is opposing to the first end across the vibration generator is greater than the first vibration reflection rate.

Abstract: An ultrasonic sensor device includes a plurality of pixels each including an ultrasonic transducer, and a control circuit configured to control the plurality of pixels. Each of the plurality of pixels is configured to hold a signal received by the ultrasonic transducer therein and send the signal to the control circuit as a response signal. The control circuit is configured to acquire an excitation response signal, which is a response signal sent from a pixel after the ultrasonic transducer therein is excited, acquire a non-excitation response signal, which is a response signal sent from a pixel when the ultrasonic transducer therein is not excited, and correct the excitation response signal based on the non-excitation response signal.

Abstract: A method of manufacturing a piezoelectric element array board includes fabricating a plurality of piezoelectric element control circuits including one or more thin-film transistors on a substrate, fabricating a plurality of piezoelectric elements on the substrate, and poling a piezoelectric material by applying an electric field to a piezoelectric material layer of the plurality of piezoelectric elements while maintaining the one or more thin-film transistors in a state of generating higher leakage current, after fabricating the plurality of piezoelectric elements and the plurality of piezoelectric element control circuits.

Abstract: A tactile presentation device includes a panel, a first supporting member that secures and supports a first end of the panel, a vibration generator disposed at a position facing the first supporting member across a target area to be touched by a user on the panel, and a driving control device that provides the vibration generator with a driving signal. The driving control device makes only the vibration generator vibrate to form a standing wave in an area including the target area between the vibration generator and the first end. A first vibration reflection rate at the first end for a carrier wave from the vibration generator is negative. A second vibration reflection rate for the carrier wave from the vibration generator at a second end of the panel that is opposing to the first end across the vibration generator is greater than the first vibration reflection rate.

Abstract: An installation system has a laser range finder set at a reference position to measure a distance to a target, an installation cart which performs operation for laying a magnetic marker in a road, and an arithmetic unit which identifies a position relation of a laying position where the magnetic marker is laid with respect to the reference position. When operation for laying the magnetic marker in a road is performed, by taking the installation cart during performing the operation of laying the magnetic marker in the road as a target, based on a distance to the installation cart measured by the laser range finder, the position relation of the laying position with respect to the reference position is identified by the arithmetic unit.

Abstract: Installation cart for laying a magnetic marker in a road to achieve driving assist control on a vehicle side has boring drill at each of front and rear of vehicle body, the boring drill boring accommodation hole as a laying position for the magnetic marker in road surface, is capable of boring accommodation holes at two locations with a predetermined space without moving in a state of being parked at any position, and is capable of performing efficient laying operation without requiring, for example, positioning of installation cart for enhancing accuracy of a space between these accommodation holes at two locations forming the laying positions.

Abstract: Installation cart for laying a magnetic marker in a road to achieve driving assist control on a vehicle side has boring drill at each of front and rear of vehicle body, the boring drill boring accommodation hole as a laying position for the magnetic marker in road surface, is capable of boring accommodation holes at two locations with a predetermined space without moving in a state of being parked at any position, and is capable of performing efficient laying operation without requiring, for example, positioning of installation cart for enhancing accuracy of a space between these accommodation holes at two locations forming the laying positions.

Abstract: An installation system has a laser range finder set at a reference position to measure a distance to a target, an installation cart which performs operation for laying a magnetic marker in a road, and an arithmetic unit which identifies a position relation of a laying position where the magnetic marker is laid with respect to the reference position. When operation for laying the magnetic marker in a road is performed, by taking the installation cart during performing the operation of laying the magnetic marker in the road as a target, based on a distance to the installation cart measured by the laser range finder, the position relation of the laying position with respect to the reference position is identified by the arithmetic unit.

Abstract: A recovery evaluation apparatus includes a display that displays an image, an evaluating unit that evaluates balance of a subject who is viewing the image, a controller that, in accordance with temporal variation of an evaluation value of the balance, varies a degree of a visual stimulus provided by the image, and a recovery evaluation unit that evaluates balance recovery, the balance recovery representing balance recovery of the subject upon varying of the degree of the visual stimulus.

Abstract: An image reading apparatus includes: a light source that irradiates light; a switching unit that switches a direction of the light irradiated by the light source to one of a plurality of predetermined directions; a light guiding unit that guides the light whose direction is switched by the switching unit and that travels in one of the plurality of directions to a position predetermined for each of the directions; and a light sensor that, in a case where an object is in the predetermined position, measures light reflect by the object out of the light guided to the position by the light guiding unit.

Abstract: An input device includes: a main body portion having one surface; a movable portion having a contact surface formed in the one surface of the main body portion, is operated through the contact surface and is movable relative to the main body portion; a supporting portion that is provided in the main body portion and movably supports the movable portion; an applying portion that applies a force to move the movable portion; a determining unit that detects whether there is a contact with the contact surface of the movable portion and determines a state-of-contact whether the contact surface is in contact state or in non-contact state; a controller that controls the applying portion to move the movable portion to a predetermined position when the determined state-of-contact changes from contact state to non-contact state; and an output unit that detects and outputs the amount of movement of the movable portion relative to the main body portion while the determined state-of-contact, and does not output the amount

Abstract: The electronic writing instrument is provided with: a writing unit that writes down on a medium where a code indicating identity information and location information of the medium is formed; an emitting unit that emits light to the medium; a photoelectric conversion unit that includes photoelectric conversion element receiving a reflected light from the medium by the light emitted by the emitting unit and outputting an electronic signal after converting the reflected light by photoelectric conversion; a receiving unit that receives a user operation; and a condition changing unit that changes at least any one of an emitting condition of the emitting unit to the medium and an output condition of the photoelectric conversion unit when the receiving unit receives an operation.

Abstract: A reading device comprises: an irradiating unit that irradiates light onto a medium; an image forming unit that forms an image from irradiated light reflected from the medium; and an adjusting unit that causes an optical axis of irradiated light to be adjusted, under influence of weight of the irradiating unit, with respect to an optical axis of reflected light that occurs when the image forming unit forms an image of the reflected light.