Abstract: A module and system are provided for reducing or suppressing ringing occurring in a digital signal to be transmitted. A transmission module Ma includes a transmitter 200a configured to transmit a digital signal, a transmission antenna 100a constituted by a metal plate, or by a conductor formed on an insulator, the transmission antenna 100a being configured to be electromagnetically or magnetically coupled to a reception antenna 100b of a non-contact reception module Mb for digital communication, and a resistor 400a connected in series between the transmitter 200a and the transmission antenna 100a. The resistor 400a has such a resistance value that the resistor 400a entirely blunts a waveform of the digital signal outputted from the transmitter 200a so as to reduce or suppress ringing occurring in the digital signal. The blunted digital signal is to be inputted into the transmission antenna 100a.

Abstract: A microphone assembly comprises a circuit board, a microphone element connected to the circuit board, an external connection interface connected to the circuit board, and hot melt that is formed to cover the circuit board, the microphone element, and the external connection interface and has a hole formed to expose a part of the back side of the circuit board or the sound receiving part of the microphone element.

Abstract: A multi-directional input device includes an operating member that protrudes from a case and can be tilted, a compression coil spring that returns the operating member to an initial state before a tilting operation, a magnet holding member that is relatively movable with respect to the operating member only in a direction along a protruding direction and is interlocked only in a tilting direction, a magnet arranged in the magnet holding portion, and magnetic sensors that are each disposed at a position facing the magnet and detect a movement of the magnet. The magnetic sensors are each disposed on a side of the magnet and can detect magnetic components in three axial directions orthogonal to one another.

Abstract: A method for manufacturing a three-dimensional structure including: preparing a first structure including a fixing face; fixing a plastic layer to the fixing face of the first structure; preparing a conductive wire; and operating an ultrasonic head to apply ultrasonic waves to the conductive wire and to press the conductive wire against the plastic layer, and thereby partly embedding the conductive wire into the plastic layer.

Abstract: A connector including a body having an insulating property, at least one terminal, a circuit board fixed to the body, and at least one current sensor mounted on the circuit board. The or each terminal includes a distal portion, an externally connectable lead portion, and a body portion therebetween. The distal portion protrudes from the body to one side in the first direction or is exposed from the body. The body portion is at least partly held by the body, and includes a measurement target extending in first and second directions and being disposed inside the body. The circuit board is spaced from the measurement target or targets of the at least one terminal in a third direction. The or each current sensor is disposed near the or a corresponding measurement target and configured to perform a non-contact detection of a current flowing through the or a corresponding terminal.

Abstract: A sensor unit attachable to a hole of a housing, closed by an overlay on one side in the first direction, from the other side in the first direction. The sensor unit includes a body, a sensor, a vibration generator, a vibration damper, and a fixable part. The body includes a first portion and a second portion on the other side in the first direction relative to the first portion. The sensor provided at the body detects a contact of a detection target with the overlay. The vibration generator can vibrate the body and sensor. The fixable part is provided at the second portion of the body. With the first portion accommodated in the hole, the fixable part is fixed to the housing from the other side in the first direction via the vibration damper, and the vibration damper is at least partly interposed between the fixable part and housing.

Abstract: A lens including a lens body and a support. The lens body includes at least one lens portion and at least one holding hole for holding at least one optical fiber. A central axis of the or each holding hole is positioned on a phantom line extending through an optical axis of the or a corresponding lens portion. The support includes a support body fixed to the lens body. With a first portion of the or each optical fiber securely received in the or a corresponding holding hole, a bottom face of the or each holding hole abuts an end face of the first portion of the or a corresponding optical fiber, a peripheral face of the or each holding hole partly abuts an outer peripheral face of the first portion of the or a corresponding optical fiber, and the support body supports a second portion of the or each optical fiber.

Abstract: A sound producing device in which an adhesive layer between a piezoelectric element and a metal plate has sufficient electrical conductivity includes: a metal plate; a piezoelectric ceramic including a first adhesion surface, the first adhesion surface being a surface bonded to the metal plate; an alternating current power supply that applies an alternating voltage to the piezoelectric ceramic; and an adhesive layer formed from conductive adhesive and thermosetting adhesive which are spread over the first adhesion surface, the conductive adhesive being applied in a center portion of the first adhesion surface and the thermosetting adhesive being applied at three or more locations in a periphery of the first adhesion surface. An adhesion surface of the metal plate that is bonded to the piezoelectric ceramic is a second adhesion surface, and the first adhesion surface and the second adhesion surface are bonded together by the adhesive layer.

Abstract: A detection sensor according to an aspect of the invention includes a vibratable film constituted by a piezoelectric film, a case accommodating the vibratable film, and a circuit board. The vibratable film is configured to be irradiated with infrared rays and thereby generate first electric signals through a pyroelectric effect, and configured to be vibrated by sound waves and thereby generate second electric signals through a piezoelectric effect. The case includes a transmissive part. The transmissive part is configured to transmit at least infrared rays and disposed on one side in a first direction relative to the vibratable film to face the vibratable film. The first direction is a thickness direction of the vibratable film. The circuit board is fixed to the case and disposed on the other side in the first direction relative to the vibratable film. The circuit board has a sound hole to input therethrough sound waves.

Abstract: A polycrystal having a physical property that enables an AC resistance value to drop sharply is used to reduce transmission loss of a high frequency signal being transmitted. A high frequency transmission device D1 is provided that includes a dielectric 100 and a transmission line 200 adapted for transmitting therethrough high frequency signals. At least part of the transmission line 200 is located on or inside the dielectric 100. At least part of the transmission line 200 is composed of a polycrystal composed of conductor fine particles. The polycrystal has a physical property such that, when a high frequency signal to be transmitted through the transmission line 200 is of frequencies within one or more specific frequency bands, the AC resistance value drops sharply.

Abstract: A sensor unit is attachable to an attachment target so as to be partly accommodated, from one side in a first direction, in a hole opening out at least in the one side in a first direction of the attachment target. The unit includes a detection sensor capable of detecting approach of a detection target from the other side in the first direction, and at least one cushion covering the detection sensor at least partly from the other side in the first direction and may be at least partly accommodated in the hole. The at least one cushion is at least partly accommodated in the hole of the attachment target in a state where the sensor unit is attached to the attachment target from the one side in the first direction.

Abstract: A multi-directional input device includes an operating member that can be tilted and pushed in, a metal dome that functions as a push-in operation detector that detects a push-in operation of the operating member, a magnet holding member that is relatively movable with respect to the operating member only in a direction along a push-in direction and is interlocked only in a tilting direction, a magnet held by the magnet holding member, and a magnetic sensor that is disposed at a position facing the magnet and detects a movement of the magnet.

Abstract: The shield member includes a plurality of first elastic portions made of a conductive material and arranged annularly in a plate shape at an inner circumferential part of the shield member; a plurality of second elastic portions arranged annularly at an outer circumferential part of the shield member; and an intermediate portion between the plurality of first elastic portions and the plurality of second elastic portions. The plurality of first elastic portions are defined by a plurality of first slits each extending from an inner circumferential edge of the shield member in a radial direction of the shield member. The plurality of second elastic portions are defined by a plurality of second slits each extending from an outer circumferential edge of the shield member in the radial direction.

Abstract: A touch sensing device including a sensor and a water shielding layer. The sensor is a capacitive, resistive, or optical touch sensor and is configured to detect a detection target approaching the sensor from one side in a first direction. The first direction is a thickness direction of the sensor. The water shielding layer is composed of waterproof elastic substance, is disposed on the one side in the first direction relative to the sensor, and covers at least part of the sensor.

Abstract: A seat belt attachment/detachment detection switch including a printed circuit board including a circuit for detecting attachment/detachment of a seat belt; a movable plate configured to slidably move along with insertion of a tongue plate of the seat belt; a rotor including a lever coupled to the movable plate, the rotor being rotatably attached to the printed circuit board to rotate as the tongue plate is pushed into a buckle; and an electric brush attached to the surface of the rotor that faces the printed circuit board, the electric brush having leg parts that change a state of contact/non-contact with a conductive part of the circuit in accordance with a rotating state of the rotor.

Abstract: A connector includes: a contact batch that is composed of two or more groups of contacts; an inner shield that electrically separates the two or more groups of contacts from each other; a body in which the contact batch and the inner shield are press-fitted and fixed; and a shell that covers the contact batch, the inner shield, and the body.

Abstract: An ultrasonic speaker comprises a case that has an opened top surface and includes a plurality of protrusions protruding inward on an inner side surface of the case, a piezoelectric element fixed to a bottom surface in the case, and a substrate that is inserted in the case and placed on upper surfaces of the plurality of protrusions.

Abstract: A microphone includes a tubular case having a bottom surface, a side surface and an opened top, a substrate which is fixed so as to block an opening portion of the opened top of the case, and has an electrode portion on an upper surface thereof, and a side-surface sound hole formed in the side surface of the case.

Abstract: A connector including an insulating body, at least one terminal, and a shell. Each terminal of the at least one terminal includes a main body partly held at least by the body, a distal portion, and a mounting portion. The distal portion extends from the main body to the one side in the first direction. The mounting portion extends from the main body to the other side in the first direction or to the one side in the second direction, and is located outside the body. The shell includes a generally tubular shell body securely accommodating the body and accommodating the main body(s) and the distal portion(s) of the at least one terminal. The shell includes two legs, which are ridges elongated in the first direction, extend from the shell body to the one side in the second direction, and are disposed on one and the sides, respectively, in a third direction relative to the at least one terminal.