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.

Abstract: A connector and a connector device that are small and have a drainage function are provided. A connector includes: a contact; a first insulator; a first shield member; a second shield member having a tubular portion; and a second insulator. A first communicating portion that is in communication with the outside is formed in a lower wall of the tubular portion of the second shield member, the lower wall facing the second insulator. A second communicating portion that is in communication with the outside and the first communicating portion is formed in the second insulator. The first shield member has a facing wall that faces the first communicating portion, and a bent wall that is bent toward the second insulator from an end portion of the facing wall on an opposite side to the opening side.

Abstract: A seat belt fastened/unfastened state detection switch includes: a printed substrate that includes a circuit for detecting a fastened/unfastened state of a seat belt; a rotor that is rotatably attached to the printed substrate, includes a contact portion, the contact portion coming into contact with a tongue of the seat belt, and rotates in a forward direction in accordance with pushing of the tongue into a buckle; a spring that makes the rotor, the rotor being in a rotated state in the forward direction, rotate in a reverse direction in accordance with pulling of the tongue from the buckle; and an electric brush that is attached to a surface of the rotor, the surface facing the printed substrate, and includes a leg portion whose contact/non-contact state with respect to a conductive part of the circuit changes depending on a rotation state of the rotor.

Abstract: A connector mounted on a substrate includes: a plurality of contacts; and a housing, wherein the plurality of contacts include a plurality of first contacts arranged next to one another in a first row and a plurality of second contacts arranged next to one another in a second row parallel to and apart from the first row, the connector further including: for the first row, at least one electrically conductive first bar-shaped member which is present further outward than a first outermost one of the first contacts, which is fixed to the substrate, and which is supported by the housing; and for the second row, at least one electrically conductive second bar-shaped member which is present further outward than a first outermost one of the second contacts, which is fixed to the substrate, and which is supported by the housing.

Abstract: A microphone unit including a tubular case having an opened top and an opened bottom, a waterproof film made of metal that has a thickness of 0.01 mm or more and 0.05 mm or less, a hardness of 100 HV or more, a proof stress of 70 N/mm2 or more, and a tensile strength of 350 N/mm2 or more, the waterproof film being fixed to the bottom of the case so as to block an opening part of the bottom of the case, a substrate arranged in the case, a microphone mounted on the substrate, and a sealing member that seals an opening part of the top of the case.

Abstract: A sound collecting device that is located in a first space and collects sounds generated in a second space isolated from the first space by a predetermined plate, comprising a metal plate, a piezoelectric element fixed on an upper surface of the metal plate, a housing that has a tubular shape having opened upper and lower surfaces, and has an upper end surface adhesively attached to a lower surface of the metal plate and a lower end surface adhesively attached to the predetermined plate, and a vibration pickup terminal that is accommodated in the housing, and comprises a leg part adhesively attached to the lower surface of the metal plate, a shaft part extending downward from the leg part, and a tip part which is formed at a tip of the shaft part in the downward direction and comes into contact with the predetermined plate when the housing is adhesively attached to the predetermined plate.

Abstract: An electromagnetic actuator including an attractor to exert a magnetic attractive force in one side in a first direction, a frame, and a lever. The frame includes a frame body fixed to the attractor, and a support on an oblique-direction side relative to the attractor. The lever includes a fulcrum portion pivotally supported by the support, a first displaceable portion arranged on the other side in the second direction relative to the fulcrum portion and on the other side in the first direction relative to the attractor and magnetically attractable by the attractor to be displaced to the one side in the first direction, and a second displaceable portion arranged on the one side in the first direction relative to the fulcrum portion and on the one side in the second direction relative to the attractor and/or the frame and displaceable away from the attractor and/or the frame by the pivot of the lever.

Abstract: To provide a waterproof cable that is easily manufactured and improves waterproofness. The waterproof cable includes: a first cable; a second cable, an end of which is connected with an end of the first cable; a first resin member that coats a connecting part and is formed by insert-molding; a second resin member that coats the first resin member and is formed by insert-molding; and a third resin member that coats the second resin member and is formed by insert-molding.

Abstract: A method of manufacturing a cellulose nanofiber compact includes a supporting step of supporting a plate-like first precursor containing cellulose nanofibers in a heating vessel, a preliminary molding step of heating the first precursor supported in the heating vessel with infrared rays to obtain a plate-like second precursor and a molding step of molding the second precursor, with heating and pressurizing the second precursor in a mold.

Abstract: A multiple coaxial connector includes a contact pair that is composed of a first contact and a second contact, a body that accommodates each contact, a shell that accommodates the body, a shield cover that covers a portion of the shell, and a board mounting portion. The first contact includes a first main body portion that is extended in a first direction, a first contact portion that is formed on one end of the first main body portion and is to be brought into contact with a contact of the mating multiple coaxial connector, and a first leading portion that is extended from the other end of the first main body portion in a direction that is orthogonal to the first direction and directs toward a second direction. A plurality of the contact pairs are arranged in a third direction.

Abstract: A shell assembly includes a shell including a depression and a flange, which go around a circumference of the shell, and the shell assemblies are arranged in N rows×M columns and fixed to a housing. The housing includes: N×M pieces of insertion holes into which respective ends of the shell assemblies are inserted; an engagement portion that is formed on an inner surface of each of the insertion holes on a position, which is closer to an obliquely-adjacent insertion hole of the insertion holes, and is engaged with the depression; and a slit that is formed by cutting the housing in a direction orthogonal to an extension direction of the insertion holes and includes a first groove and a second groove formed on an inner surface thereof.

Abstract: A plug includes a housing, a plurality of plug shells that are accommodated in the housing in a manner to protrude from the housing by a predetermined length A, a plurality of plug bodies that are accommodated in the plug shells respectively, and a plurality of plug contacts that are fixed to the plug bodies respectively. A receptacle includes a receptacle shell, a receptacle body, and a receptacle contact. The receptacle shell includes: an accommodation portion that entirely accommodates ends of the plurality of plug shells protruding from the housing, and whose insertion-direction length B satisfies B<A.

Abstract: Provided is a connector module that is highly durable and that also allows easy position alignment with a connection target instrument while maintaining high shielding performance. The connector module includes a connector case and a connector inserted in the connector case. The connector includes a contact, a holder, a conductive tubular shell, a housing and a conductive shield case. The shield case includes a first member having an elastic portion and a second member in the form of a bottomed tube. The first member forms an elastic piece contactable with the second member. Fixing of the connector case to a main body case via a fastener member causes, in the connector, elastic deformation of the elastic piece, resulting in decrease in a gap between the first member and the second member, consequently in establishment of electrical connection between the first member and the second member.

Abstract: A unidirectional microphone includes: a case having a shape of a bottomed cylinder and including a sound hole in a bottom thereof; a ring-shaped diaphragm fixed to the bottom in the case; a vibrating membrane stretched on the diaphragm; a backplate which has a shape of a bottomed cylinder and is housed in the case in a nested manner such that an air gap to serve as a sound propagation path is formed between the backplate and an inner surface of the case, the backplate including an aperture serving as a sound propagation path in a side face thereof; a spacer positioned between the diaphragm and the backplate to fix the diaphragm and the backplate, and including a notch serving as a sound propagation path in a portion thereof; and a base plate covering a top opening of the case and including a hole serving as a sound propagation path.

Abstract: A capacitive sensor including a substrate, detection and drive electrodes, and a controller. The substrate includes one or a plurality of insulating layers including first and second faces. The detection electrode includes mutually electrically connected detection lines arrayed at spaced intervals on the first face. The drive electrode includes mutually electrically connected drive lines each arranged on the first or second face and located between adjacent two of the detection lines. When a target approaches the detection electrode being charged and discharged by the controller, the approach causes a change in a first capacitance between the detection electrode and the target. When a target approaches the detection and drive electrodes while the controller is supplying drive pulses to the drive electrode, the approach causes a change in a second capacitance between the detection electrode and the drive electrode. The controller detects the target referring to changes in the first and second capacitances.

Abstract: A seat belt attachment/detachment detection switch comprises: 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.