Abstract: The disclosure is directed to semiconductor structures and, more particularly, to a three dimensional microstrip branchline coupler and methods of manufacture. The structure includes a plurality of through silicon vias and conductive lines electrically connected to a first end and a second end of respective ones of the plurality of through silicon vias. A first through silicon via of the plurality of through silicon vias forms a first port of a three dimensional (3D) branchline coupler. A second through silicon via of the plurality of through silicon vias forms a second port of the 3D branchline coupler. A third through silicon via of the plurality of through silicon vias forms a third port of the 3D branchline coupler. A fourth through silicon via of the plurality of through silicon vias forms a fourth port of the 3D branchline coupler.

Abstract: An inductor component is disposed outside a multilayer substrate, and thus a directional coupler defined by an internal wiring electrode and a coil electrode within the inductor component that is mounted on a pair of land electrodes, the multilayer substrate significantly reduces or prevents interference with other high-frequency circuit elements disposed in or on the multilayer substrate. Additionally, if a plurality of inductor components having different inductor characteristics are prepared, a high-frequency module including the multilayer substrate capable of defining the directional coupler whose characteristics are able to adjusted with ease is able to be provided simply by selecting the desired inductor component from the inductor components and replacing that inductor component.

Abstract: An antenna mount assembly disclosed herein provides for an efficient and elegant solution for installation of antenna equipment on existing wooden poles. An implementation of the antenna equipment mount includes one or more concave mounting plates, each of the plurality of concave mounting plates configured to be attached to a pole and a plurality of mount elements, each of the plurality of mount elements irremovably attached at a first end to one of the concave mounting plates and attached at another end to a C-channel bracket. Each of the concave mounting plates includes a threaded opening aligned with a threaded opening in the C-channel bracket.

Abstract: A sensor according to the present disclosure may include a substrate, an antenna pattern formed to transmit and receive a wireless signal to and from an external device, a sensing unit configured to be driven when the wireless signal is received through the antenna pattern and to generate a signal when in contact with a sensing target material, and a circuit line electrically connected between the antenna pattern and the sensing unit, wherein the antenna pattern and the circuit line are formed of a same material and on a same layer.

Abstract: The present subject matter relates to one or more devices, systems and/or methods for providing wireless telecommunication services. A Small Form Factor Pluggable Unit (SFP) incorporates wireless capabilities, and includes an integrated or an external antenna. The SFP comprises wireless circuitry for transmitting and receive multiple and distinct wireless signals, including Wi-Fi and Bluetooth for communicating with various equipment and/or devices.

Abstract: Provided is a chip antenna (1), including: an antenna pattern (3) formed through bending a conductive plate into a three-dimensional shape, the antenna pattern including an antenna part (31) and a terminal part (32) electrically connected to a circuit substrate (10); and a base body (2) formed through injection molding a resin with the antenna pattern (3) serving as an insert component, in which the base body (2) includes: a rectangular plate-like top wall (21) holding the antenna part (31) on a surface thereof; and a rectangular plate-like vertical wall (22) provided upright along a long-side direction of the top wall (21) with one end (upper end) thereof in a short-side direction being connected to the top wall (21) and with another end (lower end) thereof in the short-side direction holding the terminal part (32).

Abstract: Novel tools and techniques are provided for implementing telecommunications signal relays, and, more particularly, to methods, systems, and apparatuses for implementing telecommunications signal relays using radiating closures (either aerial, below grade, and/or buried, etc.), or the like. In various embodiments, a signal distribution system, which might be disposed within a radiating closure, might receive a first communications signal. A wireless transceiver of the signal distribution system might send the first communications signal, via one or more wireless communications channels, to one or more devices that are external to the radiating closure. In some embodiments, antennas—which might comprise first antennas disposed within the radiating closure or second antennas embedded in a housing material of the radiating closure, or both—might direct the first communications signal that is sent from the wireless transceiver to the one or more devices.

Abstract: Systems and methods for an antenna conformal to a sphere are provided. In certain implementations, an apparatus comprises a sphere having a recessed portion formed therein, the sphere enclosing instrumentation that produces a transmittable electronic signal; central conductor placed within the recessed portion, wherein the central conductor is coupled to the instrumentation to receive the transmittable electronic signal, wherein the transmittable electronic signal is emitted outside of the sphere; and an insulator cap located over the recessed portion, wherein locations on the external surface of the insulator cap and an external facing surface of the central conductor are substantially equidistant from a center point of the sphere.

Abstract: An electronic device is described that is configurable to be transitioned from a first operating mode having a first form factor to a second operating mode having a second form factor. The electronic device includes a first device portion and a second device portion that is connected to the first device portion. The first device portion includes an RF antenna. The second device portion includes an antenna adaptation element. The antenna adaptation element is positioned more closely to the RF antenna in the second operating mode than in the first operating mode. The antenna adaptation element is configured to, in the second operating mode, passively counteract or mitigate a shifting of a resonant frequency of the RF antenna that would otherwise occur as a result of the electronic device being transitioned from the first operating mode to the second operating mode.

Abstract: An electronic device may be provided with wireless circuitry. The wireless circuitry may include one or more antennas. The antennas may include millimeter wave antenna arrays. Non-millimeter-wave antennas such as cellular telephone antennas may have conductive structures separated by a dielectric gap. In a device with a metal housing, a plastic-filled slot may form the dielectric gap. The conductive structures may be slot antenna structures, inverted-F antenna structures such as an inverted-F antenna resonating element and a ground, or other antenna structures. The plastic-filled slot may serve as a millimeter wave antenna window. A millimeter wave antenna array may be mounted in alignment with the millimeter wave antenna window to transmit and receive signals through the window. Millimeter wave antenna windows may also be formed from air-filled openings in a metal housing such as audio port openings.

Abstract: An antenna module suited for a portable electronic device is provided. The antenna module includes a heat dissipation unit, a first antenna and a second antenna. The heat dissipation unit contacts a heat source of the portable electronic device. The first antenna and the second antenna are disposed at different side portions of the heat dissipation unit. The heat dissipation unit has a slot with at least one bending portion. An orthogonal projection of at least one of the first antenna and the second antenna on a projection plane of the heat dissipation unit is partly overlapped with an orthogonal projection of the slot on the projection plane.

Abstract: Low-band radiators of an ultra-wideband dual-band dual-polarization cellular basestation antenna and ultra-wideband dual-band dual-polarization cellular base-station antennas are provided. The dual bands comprise low and high bands. The low-band radiator comprises a dipole comprising two dipole arms adapted for the low band and for connection to an antenna feed. At least one dipole arm of the dipole comprises at least two dipole segments and at least one radiofrequency choke. The choke is disposed between the dipole segments. Each choke provides an open circuit or a high impedance separating adjacent dipole segments to minimize induced high band currents in the low-band radiator and consequent disturbance to the high band pattern. The choke is resonant at or near the frequencies of the high band.

Abstract: An antenna apparatus includes an omni-directional antenna for omni-directionally transmitting or receiving a signal, and a directional antenna module including a plurality of directional antennae having different radiation angles, wherein each of the directional antennae includes a feed unit to provide a signal, at least one waveguide through which the provided signal is propagated, and at least one radiation slot designed to radiate the signal propagated through the waveguide.

Abstract: An ATC antenna device provided on a body of a lead car to receive signals from outside. In the ATC antenna device, a pair of ATC antenna coils is disposed symmetrically with respect to a center line of the body as viewed in a traveling direction of the body, and the paired ATC antenna coils are connected in series and are of opposite phase. An ATC antenna support device is attached to the body to support the paired ATC antenna coils, and is disposed asymmetrically with respect to the center line.

Abstract: An apparatus includes a first integrated circuit (IC) that includes a first radio-frequency (RF) circuit to process RF signals, a first antenna port to couple to one or more antennas, and a first switch integrated in the first IC and coupled to the first antenna port. The apparatus further includes a second IC that includes a second RF circuit to process RF signals, a second antenna port to couple to the one or more antennas, and a second switch integrated in the second IC and coupled to the second antenna port.

Abstract: Systems and methods for mode suppression in a cavity are provided. In certain implementations, an apparatus comprises a cavity for propagating electromagnetic signals therein, wherein the electromagnetic signals propagate multiple times through the cavity; and an absorbing material applied to a first side of the cavity, wherein the absorbing material absorbs the electromagnetic signals. Further, an apparatus includes at least one transmitting antenna configured to couple electromagnetic energy into the cavity; and at least one receiving antenna configured to couple electromagnetic energy from the cavity.

Abstract: A compact antenna with a single beam comprises a main reflector, a secondary reflector, and a controlled actuator assembly acting on the secondary reflector to manage the beam aperture.

Abstract: Aspects of the subject disclosure may include, for example, a method for adjusting an operational parameter of electromagnetic waves supplied to a feed point of a dielectric antenna to modify a beamwidth of far-field wireless signals generated by the dielectric antenna, the electromagnetic waves propagating along the feed point without an electrical return path, detecting that the beamwidth of the far-field wireless signals needs to be adjusted to improve a reception of the far-field wireless signals by a remote system, and adjusting the operational parameter of the electromagnetic waves to adjust the beamwidth of the far-field wireless signals. Other embodiments are disclosed.

Abstract: A passive radio frequency identification (RFID) sensor is provided. This passive RFID sensor includes an inductive loop, a processing module, and a wireless communication module. The inductive loop has an inductive loop impedance that may vary with an environment in which the inductive loop is placed. The processing module couples to the inductive loop and has a tuning module that may vary a reactive component impedance coupled to the inductive loop in order to change a system impedance. The system impedance includes both the inductive loop impedance and the reactive component impedance. The tuning module then produces an impedance value representative of the reactive component impedance. A memory module may store the impedance value which may then later be communicated to an RFID reader via the wireless communication module.

Abstract: A surface card antenna apparatus comprises a single circuit board having a major side surface. The surface card antenna apparatus further comprises a horizontal polarization antenna portion mounted on the major side surface of the single circuit board. The surface card antenna apparatus also comprises a vertical polarization antenna portion mounted on the major side surface of the single circuit board.

Abstract: High radiation-efficiency antenna apparatus, and methods of manufacturing and utilizing the same. In one embodiment, an intentionally “loaded” antenna configuration is used within a handheld mobile device (e.g., cellular telephone) in order to enhance radiation efficiency for a given size antenna, or conversely allow for a reduction in size of the antenna for the same electrical performance. In one implementation, the antenna (and optionally chassis of the mobile device) is loaded through use of a magnetically permeable structure to increase propagation of surface currents, thereby increasing the electrical length of the antenna (and enhancing radiation efficiency) without any significant modification to the form factor of the antenna/chassis.

Abstract: In a general aspect, an antenna array system includes an array of monopole antennas. In some implementations, the antenna array system includes a planar substrate having a substrate surface, a ground plane residing on the substrate surface, feeds residing on the substrate surface and elliptical patches. The ground plane has an outer boundary and slots extending inwardly from the outer boundary. Each of the slots includes slot sides that define an interior region of the slot. The feeds reside in the slots and are separated from the ground plane by a gap. Each of the feeds extends from a first end in the interior region of a respective one of the slots to a second end in an exterior area beyond the outer boundary of the ground plane. Each of the elliptical patches is coupled to a respective one of the plurality of feeds.

Abstract: The present disclosure discloses an ultra-wideband miniaturized crossed circularly-polarized antenna, comprising a plurality of radiation sheets, a substrate, a reflecting plate and a phase shifting 90-degree equal power divider, all of which are disposed in order. The front side of the substrate faces the radiation sheets and is provided with an excitation slot. The back side of the substrate faces the reflecting plate and is provided with a first power divider and two first transmission lines, as well as a second power divider and two second transmission lines. Input ends of the first power divider and the second power divider are connected to two input ends of the phase shifting 90-degree equal power divider, respectively. The two first transmission lines and the two second transmission lines orthogonally intersect with the excitation slot and are connected to a metal surface of the front side of the substrate, respectively.

Abstract: A radio-frequency transceiver system includes a first plane, a second plane perpendicular to the first plane, a third plane perpendicular to the first plane and the second plane, a first antenna element and a plurality of second antenna elements. The first antenna element includes a first radiation plate disposed on the first plane, a second radiation plate disposed on the first plane, a third radiation plate disposed on the second plane and a fourth radiation plate disposed on the second plane. The plurality of second antenna elements form an antenna array structure. The antenna array structure is symmetric with respect to the first plane and the second plane. Each of the second antenna elements is dual-polarized dipole antenna.

Abstract: A waveguide device includes: a first conductive member having an electrically conductive surface; a second conductive member having a plurality of electrically conductive rods arrayed thereon, each conductive rod having a leading end opposing the conductive surface; and a waveguide member having an electrically conductive waveguide face opposing the conductive surface, the waveguide member being disposed among the conductive rods and extending along the conductive surface. The waveguide member includes at least one of a bend and a branching portion. A measure of an outer shape of a cross section of at least one of the plurality of conductive rods that is adjacent to the bend or the branching portion, taken perpendicular to an axial direction of the at least one conductive rod, monotonically decreases from a root that is in contact with the second conductive member toward a leading end.

Abstract: A reflectarray antenna comprises panels connected by rotating hinges. The panels are stowed folded around a satellite body and deploy by actuating the spring loaded hinges to extend and form a reflectarray for operation in the K/Ka or X-band. The feed deploys from the satellite body to allow formation of a high gain reflectarray antenna that occupies limited space in small satellite operations.

Abstract: Aspects of the subject disclosure may include, for example, an antenna structure that includes a feed point that facilitates coupling to a dielectric core that supplies electromagnetic waves to the feed point, and a dielectric antenna coupled to the feed point for receiving the electromagnetic waves, the dielectric antenna including an antenna lens that operates as an aperture of the dielectric antenna, the antenna lens having a structure that adjusts a propagation of the electromagnetic waves in the dielectric antenna to reduce a cross section of far-field wireless signals generated by the dielectric antenna. Other embodiments are disclosed.

Abstract: A fixing method for fixing a terminal to a conductive pattern with a brazing filler metal disposed therebetween includes: a first step of disposing the brazing filler metal on the conductive pattern; a second step of bringing the terminal into contact with the brazing filler metal; and a third step of forming a penetrating hole in the terminal by irradiating a laser beam onto the terminal. In the third step, the laser beam is irradiated onto the terminal in such a manner that the penetrating hole is filled with the brazing filler metal melted by the irradiation of the laser beam.

Abstract: An anisotropic conductive film has an insulating binder layer, conductive particles arranged in a regular pattern on a surface of the insulating binder layer, and an insulating adhesion layer layered on the surface of the insulating binder layer. In the insulating binder layer of the anisotropic conductive film, insulating fillers are arranged in a regular pattern so as not to be overlapped with the conductive particles. This anisotropic conductive film is produced by arranging the conductive particles and the insulating fillers in regular patterns using a transfer mold having openings. The anisotropic conductive film can suppress linking of the conductive particles during anisotropic conductive connection without an increase in connection resistance, to largely suppress occurrence of short circuit.

Abstract: A single element wire to board connector terminal for clamping a conductor, includes: a base, side plates and hanging elastic arms. A hollow passage is formed on the base, for allowing the conductor to pass through the hollow passage. The side plates are bent and provided on two opposite sides of a front part of the base. The hanging elastic arms are extended backwardly and inwardly from the side plates respectively. An elastic arm restricting portion is extended from one of the hanging elastic arms and bent transversely, for protecting the elastic arm and providing access for the conductor. A conductor positioning portion is provided on a rear part of the base.

Abstract: A connector includes a first connector body and a second connector body configured to be coupled to one another. The first connector body has a through hole and a cavity. The through hole and the cavity are configured to receive an aluminum shield of a hardline coaxial cable. A first washer is disposed in the first connector body and is configured to permit the aluminum shield to be pushed in a first direction through the through hole and into the cavity while resisting movement of the aluminum shield in a second direction opposite to the first direction. The second connector body has a through hole and a cavity. The through hole and the cavity of the second connector body are configured to receive a tubular member.

Abstract: A terminal metal fitting, includes: a first terminal extended in a first direction on a first plane; a second terminal extended in a second direction on the first plane; a first flat plate part of a flat plate type, the first flat plate part being contacted with the first terminal, and having a first broad width face parallel to the first plane; a second flat plate part of a flat plate type, the second flat plate part being contacted with the second terminal, and having a second broad width face parallel to the first plane; a first articulated part of a flat plate type, the first articulated part being contacted with the first flat plate part in the first direction, and having a third broad width face parallel to a second plane including a third direction perpendicular to the first plane, and the first direction; a second articulated part of a flat plate type, the second articulated part being contacted with the second flat plate part in the second direction, and having a fourth broad width face parallel to a

Abstract: A terminal block connection structure for a rotary electric machine includes: a plurality of power lines configured such that respective first end portions are joined to stator coils of a plurality of phases of the rotary electric machine; terminal metal fittings provided in respective second end portions of the plurality of power lines; a terminal block to which the terminal metal fittings are fixed by respective fastening members; and a resin member integrated with an end part of at least one of the terminal metal fittings relative on an opposite side to the power lines across its corresponding fastening member. The terminal block is configured such that a plurality of power-source lines is connected to the terminal block and the terminal metal fittings are fixed to the terminal block by the respective fastening members so that the plurality of power lines is connected to the plurality of power-source lines, respectively.

Abstract: The invention relates to a terminal assembly and in particular a series terminal assembly for medium-voltage switchgears. The assembly includes at least two input-side connectors and at least two output-side connectors in addition to a configuration location. The input-side connectors and the output-side connectors are not interconnected in a fixed pre-configured manner. Each of the configuration locations for each input-side connector location and for each output-side connector location has a configuration connector location.

Abstract: A receptacle electrical connector has an insulative mounting bracket, a first terminal set, a second terminal set, a shielding plate and a shell. The shield plate has two connection portions formed respectively on two opposite sides of the shielding plate and each connection portion 53 has a strip cross section. The strip cross section is formed on the connection portion, and the two strip cross sections of the connection portions are exposed out of two opposite sides of the insulative mounting bracket. During the insert-molding processes of insulative mounting brackets, connecting arms of strips are connected to the strip cross sections of multiple shielding plates for simultaneously forming multiple insulative mounting brackets. Therefore, production efficiency and production rate of the receptacle electrical connectors are enhanced.

Abstract: An Iridium 9603/9603N SBD Transceiver is provided. The improvement comprises a MOLEX 501591-2011 user connector replacing a SAMTEC ST4-10-2.50L-D-P-TR user connector. Furthermore, a method for replacing the SAMTEC ST4-10-2.50L-D-P-TR user connector of the Iridium 9603/9603N SBD Transceiver with the MOLEX 501591-2011 user connector is provided.

Abstract: A board connector has a housing (11) with legs (16) on a lower surface (13) facing a surface side of a circuit board (30). A locking portion (21) is provided on a tip end of the leg (16) and protrudes in a direction intersecting with a projecting direction from the lower surface (13) and can be locked to an underside of the circuit board (30). A base end of the leg portion (16) is defined by a displacement allowing space (25) recessed in from the lower surface (13) of the housing (11).

Abstract: A pressing member is used for downwardly pressing on a chip module. The pressing member has a main body and a central opening going through the main body. The main body has an upper surface and a lower surface opposite to the upper surface. The central opening is provided for a part portion of the chip module going through. The pressing member has a pressing portion protrudes upwardly from the upper surface and provided for an external device pressing downwardly on to make the main body press downwardly on the chip module so as to prevent the chip module from warping.

Abstract: A clip is used for carrying a chip module to assemble to an electrical connector along a vertical direction. The clip includes a retaining mechanism retaining the chip module and a central opening provided for a part portion of the chip module going through. The clip has an anti-mismating member. When the clip is assembled to the electrical connector by itself disposed in a right-to-left direction perpendicular to the vertical direction or reversely relative to a front-to-back direction perpendicular to the vertical direction, the anti-mismating member stops the clip to be assembled to the electrical connector.

Abstract: A reinforced electrical receptacle connector has an insulative mounting bracket, a first terminal set, a second terminal set, a shielding plate and a shell. The insulative mounting bracket has a base and a tongue formed on the base. The shielding plate is embedded in the insulative mounting bracket and has two corner reinforcing tabs are formed on respectively on two front corners of the shielding plate. Each corner reinforcing tab has a front edge being flush with the front edge of the tongue and an outside edge being flush with one of the outside edges of the tongue. The shell accommodates the insulative mounting bracket. The front corners of the shielding plate are substantially hidden in the front corners of the tongue, which prevents inadvertent rupture at the front corners.

Abstract: An electrical connector assembly includes an electrical connector, a printed circuit board, and an electrical device. The electrical connector includes an insulative housing defining a tongue portion, a number of first contacts and second contacts, and a shielding shell. The tongue portion has an exposed part exposed from a front edge of the shielding shell to receive in a mating hole of the electrical device. The electrical device has an installing portion assembling the electrical connector. The electrical connector is mated with a mating connector through the mating hole, the exposed part of the tongue portion is received in the mating hole of electrical device, and the electrical connector except the exposed part is exposed our of the installing portion of the electrical device.

Abstract: A terminal connection structure includes a male terminal; and a female terminal having an elasticity and configured to have the male terminal fitted therein such that the female terminal sandwiches the male terminal from opposite sides; wherein the male includes a base material, a first primary coat coated on the base material, a second primary coat coated on the first primary coat, and a surface layer coated on the second primary coat, and the first primary coat and the second primary coat have different hardnesses.

Abstract: A compressible contact pin. The contact pin includes a first contact element and a second contact element. A compressible member is coupled between the first contact element and the second contact element to compress when one or more external forces are applied between the first contact element and the second contact element. In addition, the compressible member maintains a separation distance between the first and second contact elements when no external forces are applied. A plurality of conductive particles is bounded by the compressible member to form an electrical connection between the first contact element and the second contact element. The conductive particles are configured to compress with one another when the compressible member is compressed.

Abstract: A connector, which can mate with an opposing connector in a mating direction, is provided with a first alignment member, a second alignment member, a plurality of first contacts, a plurality of second contacts, a ground member, and a holding member. The first alignment member aligns the first contacts in a pitch direction, and the second alignment member aligns the second contacts in said pitch direction. The ground member has a main section, a locking spring section, and a connecting section. The locking spring section has a locking part that locks to a locking-target part on the opposing connector. The connecting section connects the main section to the locking spring section. The holding member holds the first alignment member, the second alignment member, and the ground member together such that the main section of the ground member is positioned between the first alignment member and the second alignment member.

Abstract: A printed circuit board is fixed to a resin insulation plate by using a first metal screw, and a metal casing is fixed to the resin insulation plate by using a second metal screw. The cuboid insulation plate is arranged to match the shapes of the long sides of the printed circuit board and the metal casing necessary for screw fixation. The first and second metal screws are attached to the resin insulation plate with a lateral shift. This makes it possible to reduce the insulation distance around the first metal screw on the printed circuit board and to increase the wiring pattern area and the component mounting space, realizing a reduction in the size of an electronic device.

Abstract: A belt connector is provided. The belt connector is configured to electrically connect a conductor of an electrode belt to a male portion of a snap connector electrode connected to a biometric device. The belt connector includes a frame, a fastener, and an engaging member. The frame includes a receiving hole having radial flexibility. The receiving hole is configured to receive and fasten the frame to a protrusion of the male portion of the snap connector electrode. The fastener is configured to fasten the frame to a first end of the electrode belt. The engaging member is adjacent to the receiving hole and engages the conductor of the electrode belt by the conductor passing through the receiving hole. When the male portion of the snap connector electrode penetrates the receiving hole, the conductor is forced into contact with a lateral surface of the male portion of the snap connector electrode.

Abstract: Provided is a plug to be mechanically and electrically connected to a corresponding mating plug, comprising a housing, a protective conductor bridge, a retaining frame, and a plug insert; the retaining frame is mounted on the housing and includes at least one connecting section to be connected to the plug insert, and the plug insert is mounted on the at least one connecting section; the protective conductor bridge is laterally inserted into the retaining frame.

Abstract: A protective, waterproof cover for a standard Nexus type U-174 audio connector that has an outer cover on a male plug that seals over an outer surface of a female type U-92 A/U jack. The cover has an over jacket mold to cover and protect the jack at the connection. In addition the cover has a silicone O-ring at a base of the plug.

Abstract: A sealing member includes a wire insertion hole in which an electric wire is to be arranged, and a plurality of lip parts having. a protruding shape provided at intervals in an axial direction on an inner circumferential surface of the wire insertion hole. Each of the lip parts has the protruding shape along an inclined direction with respect to an orthogonal direction to the axial direction of the wire insertion hole, and adjacent ones of the lip parts are arranged in regions that do not overlap in the axial direction of the wire insertion hole.

Abstract: Various connection interfaces are disclosed. In some embodiments, the connection interface includes a receptacle and a connector. The receptacle can be configured to be positioned in the wall of an electrical device. The receptacle can comprise a first set of electrical contacts and a channel. The connector can be configured to be matingly engaged with the receptacle in an engaged state and to be separated from the receptacle in a disengaged state. The connector can comprise a second set of electrical contacts. Some embodiments are configured such that angled surfaces of the channel and boss interact as the connector is moved into engagement with the receptacle. This can guide the connector into the receptacle such that the first and second sets of electrical contacts are in electrical communication with each other.