Abstract: Housing includes: insertion part into which a connection target is inserted; a plurality of first grooves provided inside insertion part so as to align along an alignment direction being perpendicular to the insertion direction of the connection target, first contact parts being respectively disposed in first grooves; a plurality of second grooves provided inside insertion part so as to oppose to first grooves, second contact parts being respectively disposed in second grooves; first partition wall partitioning adjacent first contact parts; and second partition wall partitioning adjacent second contact parts. At least one of first partition wall and second partition wall has a height dimension in a direction perpendicular to both the insertion direction and the alignment direction, the height dimension being smaller at least at one end in the alignment direction than at a portion between opposite ends in the alignment direction in order to reduce capacitance between contact parts.

Abstract: Housing includes: insertion part into which a connection target is inserted; a plurality of first grooves provided inside insertion part so as to align along an alignment direction being perpendicular to the insertion direction of the connection target, first contact parts being respectively disposed in first grooves; a plurality of second grooves provided inside insertion part so as to oppose to first grooves, second contact parts being respectively disposed in second grooves; first partition wall partitioning adjacent first contact parts; and second partition wall partitioning adjacent second contact parts. At least one of first partition wall and second partition wall has a height dimension in a direction perpendicular to both the insertion direction and the alignment direction, the height dimension being smaller at least at one end in the alignment direction than at a portion between opposite ends in the alignment direction.

Abstract: A device includes a light emitting element, a light receiving element, an electronic part capable of processing a signal output from the light receiving element, an optical member covering the light emitting element and the light receiving element, and a board on which the light emitting element, the light receiving element, the electronic part, and the optical member are mounted. The board includes conductor wiring electrically connected to the light receiving element.

Abstract: A connector having an insertion part into which a connection target is inserted; a plurality of first grooves provided inside insertion part so as to align along an alignment direction being perpendicular to the insertion direction of the connection target, first contact parts being respectively disposed in first grooves; a plurality of second grooves provided inside insertion part so as to oppose to first grooves, second contact parts being respectively disposed in second grooves; first partition wall partitioning adjacent first contact parts; and second partition wall partitioning adjacent second contact parts. At least one of the partition walls includes an elongated protrusion on its top surface in order to reduce capacitance between adjacent contact parts.

Abstract: A device includes a light emitting element, a light receiving element, an electronic part capable of processing a signal output from the light receiving element, an optical member covering the light emitting element and the light receiving element, and a board on which the light emitting element, the light receiving element, the electronic part, and the optical member are mounted. The board includes conductor wiring electrically connected to the light receiving element.

Abstract: A device includes a light emitting element, a light receiving element, an electronic part capable of processing a signal output from the light receiving element, an optical member covering the light emitting element and the light receiving element, and a board on which the light emitting element, the light receiving element, the electronic part, and the optical member are mounted. The board includes conductor wiring electrically connected to the light receiving element.

Abstract: Housing includes: insertion part into which a connection target is inserted; a plurality of first grooves provided inside insertion part so as to align along an alignment direction being perpendicular to the insertion direction of the connection target, first contact parts being respectively disposed in first grooves; a plurality of second grooves provided inside insertion part so as to oppose to first grooves, second contact parts being respectively disposed in second grooves first partition wall partitioning adjacent first contact parts; and second partition wall partitioning adjacent second contact parts. At least one of first partition wall and second partition wall has a height dimension in a direction perpendicular to both the insertion direction and the alignment direction, the height dimension being smaller at least at one end in the alignment direction than at a portion between opposite ends in the alignment direction.

Abstract: A device includes a light emitting element, a light receiving element, an electronic part capable of processing a signal output from the light receiving element, an optical member covering the light emitting element and the light receiving element, and a board on which the light emitting element, the light receiving element, the electronic part, and the optical member are mounted. The board includes conductor wiring electrically connected to the light receiving element.

Abstract: A semiconductor relay includes two MOSFETs; a light emitting element; a light-receiving drive element for switching on and off the two MOSFETs; two output and two input conductor plates electrically connected to the two MOSFETs and the light emitting element, respectively; and an encapsulating resin encapsulating the two MOSFETs, the light emitting element, the light-receiving drive element, the two output and the two input conductor plates. The two output and two input conductor plates includes terminal portions which protrude outside the encapsulating resin and are mounted on a common printed circuit board. Further, the two output conductor plates includes mount portions on which the two MOSFETs are mounted or on which drain electrodes of the two MOSFETs are connected, and the mount portions are encapsulated by the encapsulating resin in such an orientation that a thickness direction of the mount portions intersects that of the printed circuit board.

Abstract: A semiconductor relay of the invention includes first and second signal terminals, a substrate, a first switch circuit and a control circuit. The substrate includes signal patterns for forming a signal line between the first and second signal terminals. The first switch circuit has a semiconductor switch used to make or break the connection between the first and second signal terminals. The control circuit has a control IC for controlling the first switch circuit. The control IC is mounted on a land of the substrate. The land has a size corresponding to the control IC. A part or all of the land is included in a part of the signal patterns.

Abstract: A semiconductor relay includes two MOSFETs; a light emitting element; a light-receiving drive element for switching on and off the two MOSFETs; two output and two input conductor plates electrically connected to the two MOSFETs and the light emitting element, respectively; and an encapsulating resin encapsulating the two MOSFETs, the light emitting element, the light-receiving drive element, the two output and the two input conductor plates. The two output and two input conductor plates includes terminal portions which protrude outside the encapsulating resin and are mounted on a common printed circuit board. Further, the two output conductor plates includes mount portions on which the two MOSFETs are mounted or on which drain electrodes of the two MOSFETs are connected, and the mount portions are encapsulated by the encapsulating resin in such an orientation that a thickness direction of the mount portions intersects that of the printed circuit board.

Abstract: A semiconductor relay of the invention includes first and second signal terminals, a substrate, a first switch circuit and a control circuit. The substrate includes signal patterns for forming a signal line between the first and second signal terminals. The first switch circuit has a semiconductor switch used to make or break the connection between the first and second signal terminals. The control circuit has a control IC for controlling the first switch circuit. The control IC is mounted on a land of the substrate. The land has a size corresponding to the control IC. A part or all of the land is included in a part of the signal patterns.

Abstract: To provide a multi-pole coaxial connector that can be made more compact. More specifically, to provide a multi-pole coaxial connector in which a pitch between members is reduced to reduce a connecting body in size. In a multi-pole coaxial connector in which when a housing block and a receptacle are coupled to each other, a signal post and a signal contact are brought into conduction, a ground contact and a ground case are brought into conduction, an internal conductor and a signal SMD terminal are brought into conduction, and an external conductor and a ground SMD terminal are brought into conduction, and a cross section of the ground contact is formed into substantially U-shape in which adjacent ground contact side is opened.

Abstract: To provide a multi-pole coaxial connector that can be made more compact. More specifically, to provide a multi-pole coaxial connector in which a pitch between members is reduced to reduce a connecting body in size. In a multi-pole coaxial connector in which when a housing block and a receptacle are coupled to each other, a signal post and a signal contact are brought into conduction, a ground contact and a ground case are brought into conduction, an internal conductor and a signal SMD terminal are brought into conduction, and an external conductor and a ground SMD terminal are brought into conduction, and a cross section of the ground contact is formed into substantially U-shape in which adjacent ground contact side is opened.

Abstract: A shunt resistor of the present invention has a configuration including a substantially planar resistor (10) having a predetermined resistance value; a first fixed terminal plate (20) that has one end portion (21) connected to an edge of the resistor (10); and a second fixed terminal plate (30) that has one end portion (31) connected to the other edge of the resistor (10), that has a portion in the vicinity of the end portion (31) which is bent substantially in the shape of the letter “U”, and that opposes at least a portion of the first fixed terminal plate (20), wherein a plurality of terminal tabs (12) for taking a voltage drop in the resistor (10) as a voltage signal is provided protrusive from a side edge of the resistor (10), and lead wires (40) are connected to the terminal tabs (12).

Abstract: A connector has a connector plug and a connector receptacle for connecting a cable and a substrate. The connector plug has a shell made of a conductive material with both sides open, and an insulator made of a resin molding. The insulator has a first fitting part on a first side for mating with the connector receptacle, a second fitting part on the other side for mating with the cable, and a plurality of contacts disposed on the second fitting part side. The shell has flexible parts for flexibly contacting a connector receptacle shell mated with the first fitting part. The insulator is fit into the shell from an opening on one side of the shell.

Abstract: A connector with switching function, for example, used for testing an internal circuit of a mobile telecommunication equipment comprises a stationary contact and a movable contact which are ordinarily contacted, a housing with a contact storage cavity into which the stationary contact and the movable contact are inserted. The housing has an opening through which a center conductor of the probe is inserted so as to contact to the movable contact for switching the connection of the internal circuit. The movable contact is formed in a manner so that a plate spring portion is obliquely elongated toward a lower space of the stationary contact, an extension of the plate spring portion is roundly bent about 180 degrees so as to form a third contacting portion to which the center conductor of the probe is contacted.

Abstract: A connector has a connector plug and a connector receptacle for connecting a cable and a substrate. The connector plug has a shell made of a conductive material with both sides open, and an insulator made of a resin molding. The insulator has a first fitting part on a first side for mating with the connector receptacle, a second fitting part on the other side for mating with the cable, and a plurality of contacts disposed on the second fitting part side. The shell has flexible parts for flexibly contacting a connector receptacle shell mated with the first fitting part. The insulator is fit into the shell from an opening on one side of the shell.

Abstract: A shunt resistor of the present invention has a configuration including a substantially planar resistor (10) having a predetermined resistance value; a first fixed terminal plate (20) that has one end portion (21) connected to an edge of the resistor (10); and a second fixed terminal plate (30) that has one end portion (31) connected to the other edge of the resistor (10), that has a portion in the vicinity of the end portion (31) which is bent substantially in the shape of the letter “U”, and that opposes at least a portion of the first fixed terminal plate (20), wherein a plurality of terminal tabs (12) for taking a voltage drop in the resistor (10) as a voltage signal is provided protrusive from a side edge of the resistor (10), and lead wires (40) are connected to the terminal tabs (12).

Abstract: A compact receptacle for mating connection with a complementary coaxial plug connector. The receptacle is in use to be mounted on a mobile phone for switching a signal line from an internal antenna to a vehicle's external antenna when placed on a cradle in a vehicle in mating connection with the plug connector on the cradle. The receptacle has a dielectric mold carrying an outer conductor shield fitted on top of the mold, a single spring member, and a single fixed contact member. The conductor shield includes an electrode socket for connection with an outer conductor tube of the plug. The spring member integrally carries a center electrode for connection with a center conductor post of the plug, and a movable contact which forms a normally-closed switch with a fixed contact on the fixed contact member for the above signal switching.