Abstract: An electrical connector includes: an insulative base; a fixed terminal secured to the insulative base; and a movable terminal including a securing portion fixed to the insulative base, a connecting portion, a contacting portion in touch with the fixed terminal, a first and a second beams at two opposite sides of the connecting portion, and a tail, wherein at least one of the first and second beams has a first portion substantially perpendicular to the connecting portion and a second portion substantially parallel to the connecting portion.

Abstract: A card reader for data exchange uses a chip card inserted into a card reader housing up to a data exchange position having an electrical contact arranged fixedly in the card reader housing or displaceably in the card insertion direction. In the data exchange position, projecting into the card path of the inserted chip card by way of a contact area, includes a detector device. In the case of a contact fixedly arranged in the card reader housing, the detector device is directed at the contact face of the contact or at the region around said contact face or which, in the case of a contact that is displaceably arranged in the card reader housing in the card insertion direction, is directed at the position in the card reader at which the contact face is located in the data exchange position, or is directed at the region around this position.

Abstract: An electronic unit includes a first case made of metal; a second case made of metal; a frame made of synthetic resin arranged inside an assembly of the first case and the second case; a relay member made of metal that is separate from the frame and includes a first connection portion electrically connected to the first case, a second connection portion electrically connected to the second case, and a coupling portion coupling the first connection portion and the second connection portion; a first screw that passes through the first case and the first connection portion from the outside of the first case and is fixed to the frame; and a second screw that passes through the second case and the second connection portion from the outside of the second case and is fixed to the frame.

Abstract: An antenna connector for a portable communication device including, in one implementation, a housing bracket, a core mounting member, a front mounting member, and a back mounting member. The housing bracket includes an antenna barrel that is configured to engage a ferrule antenna connector. The core mounting member includes a radio-frequency (RF) switch that includes a ground barrel, a first electrical contact, and a second electrical contact. The second electrical contact is configured to disconnect from the first electrical contact when a coaxial connector engages completely with the ground barrel. The front mounting member includes a front guiding section that is configured to connect with the core mounting member. The front guiding section is further configured to align the ground barrel with the antenna barrel. The back mounting member includes a back guiding section to keep the core mounting member connected to the front guiding section.

Abstract: A terminal, including: a conductor made of a metal material, the conductor being in a form of a plate and being provided with a contact point to be conductively connected to a mating terminal; and a spring formed to be thinner than the conductor and resiliently deformable and provided with a mount mounted on the conductor and a cantilever cantilevered from the mount and relatively displaceable with respect to the conductor, the mating terminal being resiliently held in contact with the contact point by being pressed by the cantilever, a tip of the mating terminal being disposed between the mount and the contact point.

Abstract: A multipolar connector capable of easily assembling components thereof without requiring high positional accuracy for portions of the components that are to be fixed to each other. A multipolar connector is a multipolar connector for use in electrically connecting circuit boards to each other. The multipolar connector includes an external terminal that is fixed to a circuit board, an insulating member that is fixed to the external terminal, and internal terminals that are respectively fitted to grooves, which are formed in the insulating member, so as to be partially exposed through the insulating member. The insulating member is placed such that the bottom surface thereof is in contact with an outer frame portion of the external terminal and fixed to the external terminal as a result of the top surface thereof being pressed by bending portions of the external terminal toward the outer frame portion.

Abstract: A high speed connector assembly and an electrical connector thereof are provided. The electrical connector includes an insulating housing and a plurality of signal terminals fixed in the insulating housing. The insulating housing is in an elongated shape defining a longitudinal direction, and defines an insertion direction perpendicular to the longitudinal direction. The signal terminals are arranged in two rows each parallel to the longitudinal direction, and the signal terminals in one of the two rows respectively face that in the other row. Each of the signal terminals includes a signal fixing segment engaged with the insulating housing, a signal contacting segment, and a signal soldering segment. The signal contacting segment has a main transmission point and a secondary transmission point, which are spaced apart from each other along the insertion direction. The main transmission point is closer to the signal fixing segment than the secondary transmission point.

Abstract: Connectors that support high-speed data transfers and have a high signal quality, good reliability, and are readily manufactured. One example can provide a connector receptacle that supports high-speed data transfers and has a high signal quality by employing connector contacts that include multiple structures.

Abstract: A notification system including an electrical receptacle and a notification control unit. The electrical receptacle includes an outlet configured to receive an electrical device and a switch. The switch is configured to determine when the electrical device is received and output a signal when the electrical device is received. The notification control unit is configured to receive the signal, determine a state of the electrical receptacle based on the signal, and output the state of the electrical receptacle.

Abstract: A power cord disconnect apparatus and methods of disconnecting a power cord. An ejection mechanism may include a scotch yoke assembly, the scotch yoke being reciprocatable to engage and eject a power cord plug out of a receptacle. The apparatus may include a power circuit with a normally-open first switch closing in response to the plug being inserted into the receptacle and a normally-closed second switch opening in response to a signal, power being transferred between the power cord and the power circuit when the first switch and second switch are closed, power being prevented if either the first or second switch opens.

Abstract: A technique is provided for detecting decoupling of a first connector part, connected to a first device, of an electrical plug connector from a second connector part, connected to a second device, of the electrical plug connector. A corresponding method, a corresponding apparatus, a corresponding electrical plug connector as well as the first connector part and the second connector part of the plug connector, a corresponding device and a computer program product are stated.

Abstract: A shorting block includes a first shorting contact having a first contact portion, a second shorting contact having a second contact portion, the first contact portion and the second contact portion may electrically couple the first shorting contact and the second shorting contact in a shorting position of the shorting block, a first activation, and a second activation contact, the first activation contact and the second activation contact may be inserted into the first shorting contact and the second shorting contact, respectively, such that the first activation contact and the second activation contact direct the first contact portion and the second contact portion away from one another to form a gap between the first contact portion and the second contact portion in an operating position of the shorting block.

Abstract: Adapter plates for mounting accessories to a gearbox of a turbine engine are described herein. The adapter plates may be inverted to mount with various equipment, such as a variable frequency generator, oil pump, a fuel pump, a hydraulic pump, an alternator, an electrical generator, and a starter. Gear shafts may comprise splines in a particular form/shape for mating with the gears. The gears may be inverted to expose a desired spline configuration.

Abstract: A sparkless socket including a socket, a sensing module, a controller, a switching module, a pressing stick and a mechanical switch is provided. The sensing module includes an emitter and a receiver. The receiver receives an infrared light emitted by the emitter through a light guide element module and holes on slots of the socket and generates a sensing result accordingly. The pressing stick is pressed by a plug if the plug is plugged into the socket. The mechanical switch is controlled by the pressing stick to generate a first signal. The switching module is controlled by the controller to transmit an AC power provided by a city power system from the controller to the socket. The controller determines whether the plug is plugged into the socket according to the sensing result and the first signal and thereby enables or disables the switching module.

Abstract: An electrical connector adapted to be mated with a mating electrical connector comprises a housing including a cylinder having a receiving passage extending in an axial direction of the electrical connector, a conductive terminal disposed in the receiving passage, and a locking device. The locking device includes a body portion, a locking portion disposed at a first end of the body portion and configured to engage with a mating locking portion of the mating electrical connector to lock the electrical connector with the mating electrical connector, a releasing portion disposed at a second end of the body portion opposite the first end of the body portion and configured to release the engagement between the locking portion and the mating locking portion, and a flexible connecting arm formed in a curved shape and connecting the body portion to an outer surface of the cylinder.

Abstract: A connector-assembly includes a housing, a terminal-position-assurance device, and a resistor-assembly. The housing includes a plurality of electrical-terminals. The terminal-position-assurance device is configured to retain the plurality of electrical-terminals within the housing. The resistor-assembly is disposed within the terminal-position-assurance device and includes a first-spring-terminal, a second-spring-terminal, and a resistor disposed between the first-spring-terminal and the second-spring-terminal. The first-spring-terminal and the second-spring-terminal are in separate electrical-communication with at least one of the plurality of electrical-terminals. The resistor has connection-leads disposed within slots formed in both the first-spring-terminal and the second-spring-terminal, and is disposed within channels formed in the terminal-position-assurance device.

Abstract: A system comprises a first plug connector module and a second plug connector module. The plug connector modules each have at least two contact elements. The first plug connector module has at least one spring link. In the unplugged state, the at least one spring link connects the at least two contact elements of the first plug connector module electrically conductively to each other. A method for plugging a first plug connector module with a second plug connector module is based on the first and the second plug connector modules being guided toward each other in the plug-in direction. A sliding element of the second plug connector module presses against at least one spring link of the first plug connector module and, as a result, the at least one spring link is brought out of touching contact with at least two associated socket contacts.

Abstract: In accordance with embodiments of the present disclosure, a connector may include a housing and an electrically-conductive pin housed in the housing and configured to electrically couple to a corresponding electrically-conductive conduit of an information handling resource comprising the connector. The pin may include a beam extending from the housing and a stub terminating the pin, the stub having a per-unit-length surface area greater than that of the beam.

Abstract: A multistage signal transmission connector for connecting with a multi-signal plug and a plurality of signal lines includes a socket, a signal terminal unit, and an insertion space. The signal terminal unit is mounted to a side of the socket. The socket includes an axial insertion hole into which the multi-signal plug is inserted. The insertion space is surrounded and defined by the signal terminal unit and extends axially to intercommunicate with the axial insertion hole. The signal terminal unit includes a plurality of signal terminals. Each of the plurality of signal terminals includes a body having an elastic contact portion and an external signal portion. The elastic contact portion protrudes inwards into the insertion space and bends. The external signal portion axially extends towards an outer edge of the insertion space and is electrically connected to the elastic contact portion.

Abstract: A short-canceling projection (35) has a support (36) and two plate-shaped insulating parts (37). With housings (10, 30) mated, the support (36) partitions two elastic contact pieces (24) of a short terminal (22). Plate-shaped insulating portions (37) protrude in opposite directions relative to the support (36), and, with the housings (10, 30) mated, enter between two female terminal fittings (12) and the elastic contact pieces (24) and cancel shorting between the female terminal fittings (12). Correction parts (41, 42, 43) are formed on the support (36) and the plate-shaped insulating portions (37) and make contact with the first housing (10) to displace the short-canceling projection (35) in the direction of approaching the short terminal (22).

Abstract: A power cord disconnect apparatus and methods of disconnecting a power cord. An ejection mechanism may include a scotch yoke assembly, the scotch yoke being reciprocatable to engage and eject a power cord plug out of a receptacle. The apparatus may include a power circuit with a normally-open first switch closing in response to the plug being inserted into the receptacle and a normally-closed second switch opening in response to a signal, power being transferred between the power cord and the power circuit when the first switch and second switch are closed, power being prevented if either the first or second switch opens.

Abstract: A rotating socket comprises a wiring assembly, a rotating assembly, an elastic member, a locking mechanism, and a housing. The wiring assembly comprises a fixing base and lugs, the fixing base comprises a substrate and a side wall. The rotating assembly comprises a panel, a rotating base, conductive tabs and conductive rings. The locking mechanism controlling whether the rotating base is separated from the fixing base. When the locking mechanism is in a locked state, the rotating base compresses the elastic member, and one end of the rotating base away from the panel abuts against the substrate and is limited by the side wall; when the locking mechanism is in a unlocked state, the rotating base is separated from the fixed base by resilient force of the elastic member and free to be rotated.

Abstract: The present disclosure relates to a card socket for an electronic device and, more particularly, to a card socket for an electronic device having an improved card insertion confirmation structure, wherein the structure of a card insertion confirmation terminal, which senses full insertion of a card or a tray into a card socket, is changed so as to improve stability of insertion of the card or the tray.

Abstract: A bicycle component can be attached to a bicycle body. The bicycle component basically includes a receiving part, a lid part and an electrical operating unit. The receiving part includes an opening that can receive an electrical connector. The lid part is configured to be capable of covering at least a portion of the opening. The electrical operating unit is provided to the lid part.

Abstract: A card socket for use in electronic devices is disclosed that can prevent the pushing of the card tray via vertical contact action of the detect terminal and switch terminal. The card socket includes a detection switch that is activated when a card tray has been inserted into the card tray insertion space of a housing in an insertion direction. The detection switch includes a detect terminal that is installed within the insertion space so that when the card tray is inserted into the insertion space the detection switch is activated. The detect terminal is configured to exert a force on the card tray in a direction that is perpendicular to the insertion direction.

Abstract: The connector device includes a first connector in which a first conductive member is housed in a first housing chamber, a second connector including a second housing chamber, and a cover, wherein the second housing chamber has a first housed position of the holding member of when an energization circuit is in an energized state, and a second housed position of the holding member of when the energization circuit is in a broken state, the holding member includes a non-contact portion that does not come into contact with a protruded body of the cover in a case of the first attachment state, and a pushed portion pushed by the protruded body to the second housed position in a case of the first housed position and in a case where the cover is attached in the second attachment state to the second opening.

Abstract: A method of receiving a plug at a receptacle is disclosed. The method may include receiving a plug at a receptacle, the receptacle including contacts disposed with a rotational symmetry about a center point of the receptacle. The method may also include determining, via detection circuitry, any orientation of the plug inserted into the receptacle. The method may also include changing, via selection control circuitry, a connection path coupled to the contacts based on the orientation of the plug.

Abstract: A coaxial frequency-separating connector of the present invention applies a first conducting element to receive a multi-frequency signal from a multi-frequency transmission element, and applies a multi-frequency dividing circuit to divide the multi-frequency signal to a plurality of different frequency signals such that the different frequency signals are respectively transmitted to the first coaxial cable and the second coaxial cable of a second conducting element. Furthermore, a first frequency contacting end to which a first RF element is connected and a second frequency contacting end to which a second RF element is connected are respectively connected on one end of the first coaxial cable and one end of the second coaxial cable. Accordingly, two RF elements with two different frequency bands can use only one coaxial frequency-separating connector to connect to a transmission element.

Abstract: In one embodiment, an apparatus includes a contact contained within a connector configured to couple with a mating connection to provide a communications data path through the connector, a ground shroud extending over a portion of the contact, and a self-terminating element connected to one of the contact and the ground shroud and configured for engagement with the other of the contact and the ground shroud when in an engaged position with the connector uncoupled from the mating connection to terminate signals transmitted to the connector, and disengagement when in a disengaged position with the connector coupled with the mating connection.

Abstract: A modular system, including a plurality of modules that can be electrically connected to one another, wherein at least two first modules from amongst the modules can be connected to one another in series, wherein, in the connected state of the first modules, a first contact-making means is arranged between the first modules, wherein a second of the modules has a second contact-making means, wherein the first contact-making means and the second contact-making means are configured to make electrical contact with one another, wherein the first contact-making means and the second contact-making means are configured, when making electrical contact with one another, firstly to connect the first modules to the second module and then to isolate the connection of the first modules to one another.

Abstract: A connector includes a connector housing that includes a plurality of terminal accommodation chambers, a terminal that is accommodated in the terminal accommodation chamber, a retainer portion that holds the accommodated terminal in the terminal accommodation chamber, a short circuit terminal that makes at least two of the accommodated terminals be in a short-circuited state by coming into contact with the two accommodated terminals, and a sub-housing on which the short circuit terminal is mounted. The connector housing includes a fitting portion to which the sub-housing is fitted in a direction orthogonal to a fitting direction of the connector housing to a counterpart connector housing, and the retainer portion is formed at a position of holding the terminal and the short circuit terminal is mounted at a position at which the short circuit terminal comes into contact with the terminals.

Abstract: It is aimed to provide a connector capable of reliably suppressing rattling by both of a pair of press-fit projections entering one press-fit groove. A connector includes a shorting terminal (10) configured to short a pair of terminal fittings (T) by resilient contact pieces (11) resiliently contacting the pair of terminal fittings (T), and a housing (30) configured to accommodate the terminal fittings (T) and the shorting terminal (10). The shorting terminal (10) includes a pair of press-fit projections (20) to be press-fit into one press-fit groove (36) provided in the housing (30) and separated on front and rear sides in a press-fitting direction into the press-fit groove (36). The pair of press-fit projections (20) are formed such that a height of the press-fit projection located on the front side in the press-fitting direction is smaller than that of the press-fit projection located on the rear side.

Abstract: A card holding member able to be inserted into a card connector via an insertion slot in an outer member and able to hold a card equipped with terminal members, the card holding member comprising a card accommodating portion able to accommodate the card, a connecting base portion connected to the card accommodating portion, a movable sleeve mounted on the connecting base portion slidably in the insertion and ejection directions of the card holding member, a first sealing member forming a seal between the connecting base portion and the movable sleeve, and a second sealing member forming a seal between the insertion slot and the movable sleeve. The use of the two sealing members helps to absorb displacement of the card holding member in case of misalignment between the card connector and the insertion slot.

Abstract: Pick-up devices (1-9) for picking-up signals from first cables (21, 22) in electrically contactless manners comprise first arrangements (31) for picking-up power signals from the first cables (21, 22) in inductive manners and second arrangements (35, 36) for picking-up data signals from the first cables (21, 22) in capacitive manners. The first arrangements (31) may comprise inductive couplings such as magnetic cores (61, 62) with first openings for surrounding parts of first conductors (21) of the first cables (21, 22) and with second openings for surrounding parts of second conductors (22) of the first cables (21, 22). The second arrangements (35, 36) may comprise capacitive couplings such as first and second electrodes (71-74). The pick-up devices (1-9) may be pick-up and transfer devices (3) for transferring the signals to second cables (23, 24) in electrically contactless manners.

Abstract: A modular electrical connector assembly and method of assembly. The modular electrical connector assembly includes a first housing, a second housing and a third housing. The first housing has first electrical contacts inserted therein. The first housing has first contact isolation walls positioned between adjacent first electrical contacts. The second housing has second electrical contacts inserted therein. The second housing has second contact isolation walls positioned between adjacent second electrical contacts. The third housing has a first opening for positioning the first housing therein and a second opening for positioning the second housing therein. The third housing has third contact isolation walls. Respective first contact isolation walls, second contact isolation walls and third contact isolation walls align to provide separation between adjacent first electrical contacts and separation between adjacent second electrical contacts.

Abstract: An object is to provide an electrical connector for a flat conductor that does not leave behind plastic deformation on a pressing arm part of a terminal pressing a flat conductor. A metal plate terminal, housing, and movable member are provided, where the terminal has a pressing arm part extending such that an insertion-and-removal direction of a flat conductor is in a longitudinal direction, and a supporting arm part extending in the longitudinal direction, which is connected with the pressing arm part by a connecting part. The pressing arm part has a pressing part for pressing one surface of the flat conductor on a rear end side which is an insertion side of the flat conductor, and a pressure receiving part receiving a force from a cam part on a position more forward than the pressing part.

Abstract: An electrical connector includes a housing internally defining a receiving passage having a front installation hole and a rear stop hole; an inner cap assembled to an inner side of the stop hole and internally defining a mounting passage; a pad assembled to an inner side of the installation hole and internally defining a holding passage; a conductor extended through and held in the holding passage with a forward exposed conducting pin section; and a flat spring member having a rear abutting end mounted in the mounting passage and a front clamping end riveted to a rear end of the conductor and forward pressed against a rear end surface of the pad, such that a spacing chamber is defined between an inner wall surface of the housing and the flat spring member. Therefore, the electrical conductor has fewer parts than conventional electrical connectors to enable reduced assembling complexity and time.

Abstract: A fuel cell system is disclosed that comprises a fuel cell unit operable to store at least one of water and hydrogen. At least one membrane is provided at one or more ends of the fuel cell unit. The membrane is operable to enable a flow of oxygen through the at least a portion of fuel cell unit. Further, the membrane is further operable to prevent water from flowing through at least a portion of the fuel cell. Moreover, an electrical source in operative engagement with the fuel cell unit. The fuel cell operates in a first mode to collect the hydrogen when receiving voltage from the electrical source, and further the fuel cell operates in a second mode to generate electricity using the hydrogen. The fuel cell unit is preferably stackable via a combination of conductible studs and receptacles.

Abstract: A coaxial connector has a selectively engageable radio frequency interference shield.

Abstract: A male connector includes a male body and a male conductor. The male body includes an outer face including a first curved surface and a housing space on an inner side of the first curved surface of the male body. The male conductor is provided inside the housing space and includes a functional part. The functional part is a male communication antenna, a male power-transmission antenna, or a male power-reception antenna. A female connector includes a female body and a female conductor. The female body includes a connection hole, an inner wall surface of the connection hole, the inner wall surface including a first curved surface, a housing space on an outer side of the first curved surface of the connection hole of the female body. The female conductor is provided inside the housing space and includes a functional part. The functional part is a female communication antenna, a female power-reception antenna, or a female power-transmission antenna.

Abstract: An uninterruptible power/CATV signal coupler includes a base, a cover, and a bridge connection device. The base forms an accommodation chamber. A cover is detachably connected to the base, and includes a circuit board and two sleeves. The sleeves are connected to one surface of the circuit board. The bridge connection device is contained inside the accommodation chamber and includes a first housing, a second housing, two conductive terminals inserted into the two sleeves respectively, two press elements pressed by the circuit board, a bridge connection element disposed between the first housing and the second housing, and two seesaw elements contact with the bridge connection element. The two seesaw elements are pivotally connected to the second housing. When the bridge connection element are elastically pressed by the press elements respectively, the bridge connection element is disconnected from the conductive terminals and contacts the base.

Abstract: Technologies are generally described for a pocket junction box system. In an example, a pocket junction box is configured to fit inside a meter collar. The pocket junction box includes a first set of electrical terminals on a rear surface of the pocket junction box for interfacing with wire leads inside the meter collar, and a second set of electrical terminals on a front surface of the pocket junction box for interfacing with field wire leads outside the meter collar. The pocket junction box may further include at least one current transducer and at least one microprocessor for monitoring the power flow through the pocket junction box. A front casing is attached to the front surface of the pocket junction box and connected to the second set of electrical terminals. The front casing may include a communications circuit board for communicating with a meter data management system.

Abstract: A method of receiving a plug at a receptacle is disclosed. The method may include receiving a plug at a receptacle, the receptacle including contacts disposed with a rotational symmetry about a center point of the receptacle. The method may also include determining, via detection circuitry, any orientation of the plug inserted into the receptacle. The method may also include changing, via selection control circuitry, a connection path coupled to the contacts based on the orientation of the plug.

Abstract: An apparatus is described. In an embodiment, the apparatus comprises a housing, wherein the housing comprises a circular cavity; and at least two longitudinal grooves placed in separate corner portions of the housing and around the circular cavity. Further, the apparatus comprises an electric contact associated with each longitudinal groove.

Abstract: Power strips are provided having voice message playback capabilities, which enable a user to selectively playback stored voice messages or verbal memorandum identifying the particular electronic devices plugged into the power strip outlets. In this manner, a user need only trigger playback of a voice message to determine the identity of an electronic device plugged into a given outlet. This may be particularly beneficial when several electronic devices are plugged into the power strip, which is located underneath a desk, behind an entertainment center, or in another difficult-to-access area. In certain embodiments, the power strip enables the user to record personalized voice messages identifying the electronic devices plugged into the power strip outlets, possibly along with additional information pertaining to the plugged-in devices and considered pertinent by the user. Embodiments of the power strips described herein may also be beneficially used by the blind and visually impaired.

Abstract: The present invention relates to squib connectors, for instance for airbag ignition systems, which allow the electrical or electronic monitoring of the correct coupling of a squib plug connector with its corresponding counterpart. According to the invention, a squib connector has at least two terminals having corresponding signal lines. In order to allow an electrical monitoring of the correct coupling of the plug connector, the terminals are in electrical contact with each other in the uncoupled or incorrectly coupled condition of the plug connector. This electrical contact between the terminals is configured to be separated upon correct coupling to a corresponding counter-connector either automatically or by an actuating action. The disconnecting of the terminals may then be monitored by any suitable monitoring means.

Abstract: The present invention relates to a connector assembly in particular for airbag connection systems, including a connector housing and a secondary lock. The housing is further provided with a spring, such that the secondary lock is movable between a first and a second position and the spring forces the secondary lock into its second position when the connector housing is fully mated with a corresponding mating connector.

Abstract: A coaxial connector has a selectively engageable radio frequency interference shield.

Abstract: A switchable modular jack assembly includes a housing which defines a receptacle for receiving an RJ14 modular plug, and a socket for receiving a pre-wired adapter plug. Each of the RJ14 modular plug and the adapter plug has electrical contacts on an exposed surface thereof. The jack assembly also includes leaf spring electrical contacts which extend into the receptacle and socket. When no RJ14 modular plug is received by the receptacle, the leaf spring electrical contacts contact the electrical contacts of the adapter plug. When an RJ14 modular plug is received by the receptacle, the leaf spring electrical contacts contact the electrical contacts of the RJ14 modular plug, but not the electrical contacts of the adapter plug.

Abstract: An electric connector includes a housing to be fit into a second electric connector, a lock arm resiliently deforming when the lock arm makes contact with an engagement part of the second electric connector, and thereafter, returning back to its original position, when the electric connector and the second electric connector are coupled to each other, a first detection terminal for detecting whether the electric connector and the second electric connector are electrically connected to each other, and a unit for assisting the lock arm to return back to the original position, the lock arm, the first detection terminal, and the unit being arranged in the housing, the detection terminal including a first portion to be fixed relative to the lock arm, and a second portion to make contact with a second detection terminal of the second electric connector.