Abstract: A connector assembly includes a plurality of circuit boards and a bracket retaining the plurality of circuit boards. The circuit boards each have a plugging portion to be plugged into a mating connector and each have a first main face facing a second main face of an adjacent circuit board of the plurality of circuit boards. The bracket retains the plurality of circuit boards with the plugging portions facing downward and with each of the circuit boards capable of making a predetermined amount of independent movement in a pair of directions in a horizontal plane.

Abstract: A socket connector includes a socket assembly having a socket substrate and socket contacts. The socket substrate has first and second upper mating areas and a first lower mating area. The socket substrate has first and second socket substrate conductors at the first and second upper mating areas, respectively, and third socket substrate conductors at the first lower mating area electrically connected to corresponding first socket substrate conductors. The first socket substrate conductors are electrically connected to an electronic package, the second socket substrate conductors are electrically connected to an electrical component and the third socket substrate conductors are electrically connected to a host circuit board. The socket assembly is configured to electrically connect the electronic package with both the host circuit board and the electrical component.

Abstract: A communication system includes first and second circuit card assemblies mated such that first and second PCBs move relative to each other along a board mating axis parallel to a slot in the first PCB with the first PCB oriented perpendicular to the second PCB and with first and second mating ends of first and second electrical connectors oriented parallel to the board mating axis. The first and second circuit card assemblies are mated such that the first electrical connector and the second electrical connector move relative to each other along a connector mating axis perpendicular to the board mating axis. Mating interfaces the contacts are oriented at contact mating angles non-parallel to the board loading axis and non-parallel to the connector mating axis.

Abstract: A connector includes a housing and a connector position assurance device (CPA). The CPA is movable between a first position and a second position and assures that the connector is completely mated with a mating connector or maintains a completely mated state in the second position. The housing has a mating portion, a guiding portion, and an abutting portion. The CPA has a base portion guided by the guiding portion and a beam portion. The abutting portion abuts on the beam portion in the first position during non-mating with the mating connector to block movement of the CPA to the second position. The mating connector during complete mating deforms the beam portion to remove the abutment of the beam portion on the abutting portion to allow the CPA to move to the second position.

Abstract: A board-mounting type shield connector includes a contact, a housing supporting the contact and having a mating opening, a shield shell surrounding the housing and having a first board connection portion in a vicinity of a rear end portion of the shield shell, an enclosure having a plugging passage for plugging of a mating connector, and a ground member supported on the enclosure in a vicinity of a front end portion of the enclosure. The plugging passage opens in a frontward direction and communicates with the mating opening. The first board connection portion is connected to a ground pattern on a circuit board. The ground member has a second board connection portion connected to the ground pattern.

Abstract: An electrical connector comprises a first housing, a mating terminal retained in the first housing, a second housing mated with the first housing, a contact member disposed in the second housing, and an insertion/extraction assist protrusion. The contact member is electrically connected with the mating terminal by pinching the mating terminal with a plurality of spring pieces facing each other. The spring pieces each have a contact portion protruding inward. The insertion/extraction assist protrusion is adapted to expand a gap between the spring pieces when the first housing and the second housing move relative to one another in a mating direction. The insertion/extraction assist protrusion is arranged offset from the contact portions in a plane crossing the mating direction and is arranged nearer to a start point of the mating than the contact portions during the mating in the mating direction.

Abstract: A concentration measuring instrument includes a piezoelectric vibrator transmitting an ultrasonic wave into a solution contained in a cavity and detecting the ultrasonic wave reflected, a temperature sensor measuring a temperature of the solution, a drive circuit generating a drive signal driving the piezoelectric vibrator, a phase comparator performing a phase comparison between the drive signal and a detection signal, a frequency setting circuit making the drive circuit generate drive signals having sequentially different frequencies and monitoring a phase comparison result to detect a resonant frequency, and a Phase Locked Loop (PLL) circuit making a frequency of the drive signal follow the detected resonant frequency. A microcomputer determines a concentration of a solute in the solution on a basis of the frequency of the drive signal while the PLL circuit is being operated and a result of a temperature measurement by the temperature sensor.

Abstract: A lance of a connector housing includes a pressed portion disposed at a free end of the lance, a buckling portion disposed closer to a fixed end of the lance opposite the free end than the pressed portion, and a buckling resisting portion disposed between the pressed portion and the buckling portion. The buckling portion buckles when a force exceeding a predetermined tolerance limit is applied to the pressed portion and the buckling resisting portion permits the buckling portion to buckle while reducing buckling of the pressed portion.

Abstract: A contact includes a pair of side walls, a front end upper wall extending from the side walls, a rear end upper wall extending from the side walls, a lance extending in a rearward direction from a rear end of the front end upper wall, and an extension piece extending in the rearward direction from a rear end portion of the lance. The lance has a catch portion at the rear end portion of the lance. The catch portion is caught in a housing when the contact is inserted into the housing. The extension piece is positioned under the rear end upper wall.

Abstract: An interposer includes a housing and a contact disposed in the housing. The housing has a first face, a second face opposite the first face, and a passageway penetrating the first face and the second face. The contact has a base portion press-fitted in the passageway, a first contact beam extending obliquely with respect to the first face from the base portion, and a second contact beam extending obliquely with respect to the second face from the base portion. The first contact beam extends outward beyond the first face and has a first contact point portion. The second contact beam extends outward beyond the second face and has a second contact point portion. The first contact point portion and the second contact point portion both extend beyond a penetrated region of the passageway in a direction perpendicular to an insertion direction in which the contact is inserted into the passageway.

Abstract: An electrical connector assembly comprises a first connector including a first housing having a mating opening, a second connector including a second housing configured to be mated with the mating opening of the first connector, and a drainage structure provided on and corresponding to a boundary portion between the first housing and the second housing. The boundary portion faces the mating opening. The drainage structure includes a convex region having a top at the boundary portion, a first concave region continuous with the convex region and formed in the first housing, and a second concave region continuous with the convex region and formed in the second housing.

Abstract: An integrated circuit socket includes a housing having a flat plate portion and a plurality of contacts disposed in the housing. The contacts each have a contact beam projecting outwardly from a first surface of the housing and a retained portion disposed in a passageway in the flat plate portion. The contact beam extends from the retained portion. The retained portion has a base portion with a flat-plate shape and a pair of side portions extending at an angle with respect to the base portion on a pair of opposite sides of the base portion. A cross-section of the retained portion parallel to the first surface has a U-shape.

Abstract: An electrical apparatus includes an electrical connector having a plurality of terminals and a connector housing retaining the terminals, a case containing the electrical connector, a circuit board electrically connected with the terminals, and an entrapping structure corresponding to at least a portion of a gap between the connector housing and the case. The entrapping structure has a dead end with an opening facing the gap.

Abstract: A plug connector is detachably matable with a cap connector. The plug connector includes a lever performing mating with and unmating from the cap connector. The lever includes a cam groove for receiving a first boss of the cap connector, a boss rotation hole for receiving a second boss of an outer housing of the plug connector, and a catching protrusion sliding hole for receiving a catching protrusion of an inner housing of the plug connector. A first turning operation of the lever during unmating from a fully mated state extracts an interlock busbar of the plug connector from the cap connector to remove a short circuit of first conducting wires of the cap connector. A second turning operation of the lever during unmating moves a releasing protrusion into a clip spring of the plug connector to open the clip spring.

Abstract: A connector includes a plurality of contacts each having a distal end portion, a housing having a cavity, a plurality of coil springs exposed in the cavity, and a seal member positioned at the distal end portions of the contacts and sealing the housing. The contacts are positioned in the cavity. The distal end portion of each of the contacts is slidable in a projecting direction and in a direction opposite to the projecting direction. Each of the coil springs independently biases the distal end portion of one of the contacts in the projecting direction. The seal member allows the contacts to slide in the projecting direction and in the direction opposite to the projecting direction.

Abstract: A relay adapter includes a first mating portion matable with a first connector positioned in an equipment enclosure, a second mating portion matable with a second connector, and a seal portion positioned between the first mating portion and the second mating portion. The second mating portion forms a watertight connection with the second connector. The seal portion forms a watertight connection with the equipment enclosure.

Abstract: A seal member includes a main body portion, an easily-deformable portion formed integrally with the main body portion and being more easily deformable than the main body portion, and a pair of lip portions. The lip portions are formed on an outer peripheral side of the seal member in a loading direction in which a compressive load elastically deforming the seal member acts.

Abstract: A connector assembly comprises a first connector and a second connector matable with the first connector in a mating direction. The first connector includes a housing and a slider held by the housing and slidable with respect to the housing in a direction intersecting the mating direction. The slider has a slider backlash restraining device disposed on an inner wall. The slider slides in a first direction to cause the second connector to move in the mating direction and slides in a second direction opposite to the first direction to cause the second connector to move in a direction opposite to the mating direction. The second connector has a connector backlash restraining device disposed on an outer wall of the second connector. The slider backlash restraining device abuts the connector backlash restraining device when the first connector is mated with the second connector.

Abstract: A shielded connector comprises an inner housing accommodating a contact and a shield shell surrounding the inner housing. The inner housing has a catch protrusion. The shield shell has a shell main body formed with an opening extending through the shield shell and a cover tab supported by the shell main body. The catch protrusion is inserted from an inside of the shield shell into the opening and the cover tab covers the opening while being set back from the catch protrusion toward an outside of the shield shell.

Abstract: A connector housing comprises a mating portion including a plurality of mating hoods that are arranged in a width direction on a front side of the connector housing that is configured to be mated with a mating connector and a rear structure portion disposed posterior to the mating portion. The rear structure portion includes a plurality of structure parts each disposed between two mating hoods adjacent to each other of the plurality of mating hoods and a plurality of notches each disposed between two structure parts adjacent to each other of the plurality of structure parts.