Abstract: Expansion compensation structures for an antenna are disclosed. In one embodiment, the antenna comprises: an array of antenna elements; and a structure coupled to the array of antenna elements, the structure having a plurality of components comprising materials having different coefficients of thermal expansion (CTEs), wherein first and second components of the plurality of components are pin bonded with one or more pins, and one or more components of the plurality of components other than the first and second components are between the first and second components and have one or more slots through which the one or more pins traverse and have CTEs different than CTEs of the first and second components.

Abstract: A rollable antenna mat for sports timing comprises one or more planar antenna structures connected to one or more transmission lines for conveying signals to and/or from the one or more planar antenna structures. Each of the one or more planar antenna structures comprises a conductive plate positioned above a conductive ground plane. A spacer element is positioned between the conductive ground plane and the conductive plate. The planar antenna structure is configured to generate a radiation field having a main axis that is substantially perpendicular to the conductive plate. The planar antenna structure and a transmission line is embedded in a flexible elongated sheet structure of one or more elastomeric materials, and comprises the embedded one or more planar antenna structures being suitable to be rolled up in a roll, the axis of the roll being substantially perpendicular to the longitudinal axis of the flexible elongated sheet structure.

Abstract: A wireless access point structure including an antenna housing configured to be mounted on top of a pole. The antenna housing may include a plurality of individual antenna bays. The antenna housing can include a plurality of individual antenna bays. In an arrangement, the housing includes an internal spire having an upper and lower end extending between upper and lower ends of the housing. The spire may be a single piece element or a multi-piece element. At least three dividers or panels are connected along the length of the spire (e.g., at selected spaced locations along a length of the spire). Each divider, when connected to the spire, is substantially transverse to the spire. One or more shrouds (e.g., RF transparent sidewalls) extend between and around adjacent panels and/or the upper and lower ends of the housing to define the antenna bays.

Abstract: The present invention relates to a clamping apparatus for an antenna. Particularly, the clamping apparatus comprises: an arm unit which is coupled to a support pole and has a mounting space formed in a tip portion thereof and open in a longitudinal direction; a rotation unit which is detachably mounted in the mounting space of the arm unit and has a tip portion coupled to be rotatable predetermined angle in the left and right directions with respect to a hinge point in the mounting space; a tilting unit which is coupled to the tip portion of the rotation unit so as to be tiltable in the up and down directions and mediates the coupling of an antenna device; and a mounting guide unit which is provided in the rotation unit, and is elastically pressed and then temporarily fixed to the hinge point of the mounting space when the rotation unit is mounted in the mounting space of the arm unit.

Abstract: The present disclosure relates to a transmission mechanism for a base station antenna, and a base station antenna including the transmission mechanism. The transmission mechanism includes a motor and at least one connecting rod, wherein a gear mechanism is provided on a first end of the connecting rod, and the motor drives the connecting rod to rotate via the gear mechanism; and wherein a worm gear unit is provided on a second end of the connecting rod opposite to the first end, and the worm gear unit is configured to drive a movable element of a phase shifter when the connecting rod rotates. The transmission mechanism according to the present disclosure can generate greater driving force through the worm gear unit, and has a shorter axial length and a smaller height, and thus is particularly suitable for a more compact and thinner 5G base station antenna.

Abstract: An adjustable antenna positioning system feed is disclosed herein. The adjustable antenna positioning system feed includes a feed base, a splash plate assembly, and a feed insert. The feed base is configured to be coupled to a reflector. The splash plate assembly is configured to be removably coupled to the feed base. The adjustable antenna positioning system feed is in a primary arrangement when directly coupled. The feed insert is positioned between the feed base and the splash plate. The adjustable antenna positioning system feed is in a secondary arrangement when the feed insert is coupled with the feed base and the splash plate.

Abstract: An integrated connector-antenna assembly is provided, wherein an antenna is monolithically integrated with a radio frequency (RF) connector housing. The connector-antenna assembly may also include the RF signal element, wherein the connector center pin is monolithically integrated to the connector housing. Although part of the connector-antenna assembly, the connector housing and connector signal element still serve the connector function, which is essentially a channel for RF signal from the RF signal source to the antenna.

Abstract: An antenna structure includes: a metal plate disposed with a first accommodating groove; an antenna unit including a radiation piece and a coupling piece; and a radio frequency module disposed on a first side of the metal plate and electrically connected to the radiation piece. At least one of the radiation piece and the coupling piece is disposed in the first accommodating groove. The radiation piece is insulated from the metal plate, the coupling piece is insulated from the metal plate, the radiation piece is disposed opposite to the coupling piece and insulated from the coupling piece. The radiation piece is located between the coupling piece and the radio frequency module. The radiation piece is configured to generate a resonance in a first preset band, and the coupling piece is configured to expand the bandwidth of the resonance in the first preset band.

Abstract: An antenna module includes an antenna substrate including an antenna pattern; a semiconductor package disposed on a lower surface of the antenna substrate, electrically connected to the antenna substrate, and having a semiconductor chip embedded therein; and an electronic component disposed at a side of the antenna substrate, electrically connected to the antenna substrate, and spaced apart from the semiconductor package by a predetermined distance. The antenna module includes a connection substrate connected to a portion of the antenna substrate, the connection substrate having an extension portion extending outward from the side of the antenna substrate, and the electronic component is disposed on the extension portion of the connection substrate to electrically connect to an inner wiring layer of the antenna substrate.

Abstract: Systems and methods for AI assisted analysis of a user experience study are provided. A study objective (a goal of the study) and data relating to all possible navigation routes within a digital interface are received. Simulated clickstreams for navigating from any state of the digital interface to the study objective are generated. This simulated clickstream data is then used to train one or more machine learning models to determine a most efficient path to achieve the study objective from any state of the digital interface. Subsequently, study results from many different participants is received. Key events are then identified within the study results. Additionally, the likelihood of failure for each of the plurality of study results is predicted using the machine learning model, and information density of the plurality of study results is determined.

Abstract: An electronic device may be provided with a phased antenna array having a bent dielectric resonating element. The bent dielectric resonating element may have a first segment, a second segment nonparallel to the first segment, and an angled surface that couples the first segment to the second segment. One or more feed probes may be coupled to the first segment to excite the dielectric resonating element. A reflector may be provided on the angled surface to direct electromagnetic energy from the first segment to the second segment and vice versa. The bent dielectric resonating element may exhibit less overall height than dielectric resonators having straight columns of dielectric material, thereby allowing for a reduction in the thickness of the electronic device. The angled surface and the reflector may optimize the radio-frequency performance of the antenna despite the reduction in overall height.

Abstract: Base station antennas comprise a multi-column, multiband beamforming array that includes a first sub-array of first radiating elements, a second sub-array of second radiating elements and a third sub-array of third radiating elements. The first radiating elements are configured to operate in a first frequency band, the second radiating elements are configured to operate in a second frequency band, and the third radiating elements are configured to operate in both the first frequency band and the second frequency band. Each of the first through third sub-arrays has the same number of columns. A width of the first sub-array exceeds a width of the third sub-array, and a width of the third sub-array exceeds a width of the second sub-array.

Abstract: A base station antenna includes first and second arrays that include respective pluralities of first and second radiating elements arranged along the longitudinal direction of the base station antenna, the second array transversely adjacent the first array. A longitudinal position of each second radiating element is staggered from that of the corresponding first radiating element. The first array comprises first and second sub-arrays, each of which comprises one or a plurality of adjacent first radiating elements. A phase center of the combination of the first and second subarrays is basically aligned with a sub-phase center of the second array.

Abstract: The disclosure relates to antennas for use in satellite positioning systems and other wireless bands. An antenna may include a UV resistance treated Polymethylpentene housing having enhanced dielectric properties.

Abstract: An antenna for improving an influence of surface waves and increasing a beamwidth includes: a substrate, a first metal ground, a second metal ground, an emitting end and a receiving module. The first metal ground and the second metal ground are disposed on a first surface of the substrate. The second metal ground is completely separated from the first metal ground by a first gap. The emitting end is disposed on the first metal ground and includes a transmission line and a plurality of radiating elements. The receiving module is disposed on the second metal ground and includes a first receiving end and a second receiving end. The first receiving end includes a transmission line and a plurality of radiating elements. The second receiving end includes a transmission line and a plurality of radiating elements.

Abstract: A leaning vehicle having a vehicle-to-everything (V2X) communication antenna mounted thereon, a body frame that leans in a vehicle leftward or rightward direction when the leaning vehicle turns left or right, and a V2X communication device configured to perform V2X communication. The V2X communication antenna has such a radiation pattern that a 3 dB beam width thereof in a horizontal mounting plane is larger than the 3 dB beam width thereof in a vertical mounting plane, the 3 dB beam width in the vertical mounting plane existing both in a vehicle upper region and in a vehicle lower region, and the 3 dB beam width in the horizontal mounting plane existing both in a vehicle left region and in a vehicle right region. The V2X communication device performs the V2X communication with another V2X communication device, at least when the leaning vehicle turns left or right and the body frame leans accordingly.

Abstract: A gradient permittivity film comprises (a) a first permittivity layer comprising a first continuous matrix of a first material having a first relative permittivity (?r1) and a second component having a second relative permittivity (?r2) dispersed in the first continuous matrix, the first permittivity layer having a first effective layer relative permittivity (?1) and a thickness (T1); And (b) a second permittivity layer having a second effective layer relative permittivity (?2) and a thickness (T2) disposed on the first permittivity layer. T1=0.8(t1) to 1.2(t1), where t 1 = c 4 ? f ? ? 1 ; ? T 2 = 0.8 ( t 2 ) ? to 1.2 ( t 2 ) , where ? t 2 = c 4 ? f ? ? 2 .

Abstract: A switch circuit includes an antenna port and at least one switch branch. Each branch includes a first, a second, and a third switches. The antenna port has one end connected with an antenna, and another end electrically connected with one end of the first switch of each branch respectively. The other end of the first switch of each branch is electrically connected with one end of the second switch corresponding to each branch and one end of the third switch corresponding to each branch respectively; the other end of each of the second switch corresponding to each branch is connected with a ground terminal; the other end of each of the third switch corresponding to each branch is electrically connected with one end of a load corresponding to each branch; and the other end of the load corresponding to each branch is connected with the ground terminal.

Abstract: A combined cellular/GNSS (global navigation satellite systems) antenna is provided. The combined cellular/GNSS antenna comprises an external area and an internal area delineated by a circumference of a circle. The combined cellular GNSS antenna further comprises a cellular antenna and a GNSS antenna. The cellular antenna comprises a set of cellular radiators disposed in the external area and connected to a cellular feeding network for excitation of the set of cellular radiators. The GNSS antenna comprises radiation elements disposed in the internal area and has a center located substantially at a center of the circle.

Abstract: An antenna device is disclosed, including an additively manufactured tubular body portion having a wall portion with a plurality of holes. The tubular body portion is configured to transmit electromagnetic radiation in a selected operating frequency range, and to have a mass below a maximum mass threshold. The plurality of holes reduce the mass of the tubular body below the maximum mass threshold without significantly adversely affecting electromagnetic radiation transmission capability of the tubular body in the selected operating frequency range.

Abstract: An assembly includes: a) a housing comprising a floor, a ceiling, a rear wall, a front wall, and opposed side walls that define a cavity, wherein the side walls include illuminable informational markings; an antenna; c) a radio residing in the cavity of the housing connected with the antenna; and d) a power source attached to the radio; wherein the power source is employed to illuminate the informational markings.

Abstract: A self-filtering, space-time coding, waveguide-driven metasurface antenna includes at least first and second metal layers, and first dielectric layer between the first and second metal layers. A series of vias is formed in the first dielectric layer. A substrate integrated waveguide (SIW) is formed from the first and second metal layers and from the metal vias in the first dielectric layer. A series of meta-atoms is formed in the first metal layer, each meta-atom including a slot cooperating with two switching elements for switching the meta-atom between an on and off state. Each meta-atom behaves as a magnetic dipole antenna element that radiates electromagnetic waves into free space. In this manner, the propagating guided waves inside the substrate integrated waveguide are converted and molded into arbitrary selected out-of-plane free-space waves in both a frequency domain and a momentum domain.

Abstract: A radio frequency antenna array uses lenses and RF elements, to provide ground-based coverage for cellular communication. The antenna array can include two spherical lenses, where each spherical lens has at least two associated RF elements. Each of the RF elements associated with a given lens produces an output beam with an output area. Each lens is positioned with the other lenses in a staggered arrangement. The antenna includes a control mechanism configured to enable a user to move the RF elements along their respective tracks, and automatically phase compensate the output beams produced by the RF elements based on the relative distance between the RF elements.

Abstract: A deployable membrane structure for an antenna comprises a membrane comprising a plurality of first regions of higher-stiffness material integrally connected via one or more second regions of lower-stiffness material, wherein the one or more second regions are formed from compliant material configured to permit the membrane to be folded into a collapsed configuration and subsequently unfolded into a deployed configuration, and are arranged so as to allow adjacent ones of the plurality of first regions to be folded so as to lie against one another. In some embodiments the membrane is formed of a composite material comprising a plurality of fibres in a compliant matrix, and the plurality of first regions comprise material with a higher fibre density than the one or more second regions. A deployable antenna comprising the deployable membrane structure is also disclosed.

Abstract: The present invention relates to a novel lens antenna with a 3D near-field focus-steering capability that operates at gigahertz and terahertz frequencies. The novel antenna includes a pair of discrete dielectric lenses fed by a stationary horn source. In-plane synchronous counter-rotation and co-rotation of the lens pair steers its near-field focus radially and azimuthally, respectively, while linear translation of the upper lens moves the focal point longitudinally. The steering focus beam enables fast imaging. In imaging applications, the radiated beam from the novel lens antenna focused in the target area can reduce undesired interference from neighboring structures and increase the system dynamic range and signal-to-noise ratio.

Abstract: An antenna array includes one or more antenna tiles which are arranged on an antenna plane. Each of the one or more antenna tiles includes one or more antenna units that are arranged together to form the respective antenna tile having a hexagonal shape and each antenna unit comprises an antenna circuit chip. In some embodiments, each antenna unit has a pentagonal shape and the antenna tile has a hexagonal shape formed by tessellating the one or more antenna units with one another.

Abstract: A modular radio frequency (RF) device includes N base units, each including a differential segmented array (DSA) tile with a support board and a two-dimensional (2D) array of electrically conductive tapered projections disposed on the support board. Neighboring pairs of the electrically conductive tapered projections form RF pixels. The N DSA tiles are arranged to form an RF aperture. The N base units are programmed to switch the RF aperture between a first operating mode and a second operating mode. In the first operating mode, the N base units are operated as at least two independent subsets with each subset operating as an RF transmitter or receiver independently of the other subsets. In the second operating mode all N base units coherently combine as a single phased array RF transmitter or receiver.

Abstract: Provided is an antenna. The antenna includes a first metal electrode, a second metal electrode, and a dielectric functional layer. The first metal electrode and the second metal electrode are located on two opposite sides of the dielectric functional layer, respectively; and the first metal electrode includes a plurality of transmission electrodes. The antenna further includes a flexible coplanar waveguide and a feed network. The flexible coplanar waveguide is electrically connected to the feed network and configured to feed an electrical signal to the feed network.

Abstract: An antenna device is formed by arranging radiation elements each radiating a circularly polarized wave in a matrix of three rows and four columns. The radiation elements include three sets of radiation elements of four types having a positional relationship rotationally symmetric with each other. The radiation elements are arranged such that adjacent elements are of different types.

Abstract: Provided herein are various magnetoelectric dipole antenna arrays and multi-array arrangements for handling radio frequency signals. In one example, an antenna array includes a baseplate conductively coupled to sets of plate elements by support members that position the plate elements at selected distances offset from a surface of the baseplate. Antenna probes are arranged in orthogonal pairs positioned within gaps between a corresponding set of plate elements, with each antenna probe comprising a conductive strip having a feed section coupled to a radio frequency connection through the baseplate, a transverse section generally parallel with the baseplate, and a terminal section directed back toward the baseplate. Dielectric structures for each pair of antenna probes comprise a dielectric material having channels that recess the conductive strips therein and a dielectric spacer positioned between overlapping transverse sections of the antenna probes.

Abstract: Radiating elements of first and second linear arrays of radiating elements have respective feed stalks that can reside at an angle to provide a balanced dipole arm with an inner end portion laterally offset to be closer to a right or left side of the base station antenna and reflector than an outer end portion that faces a radome of the base station antenna. The feed stalk can include sheet metal legs and printed circuit boards providing an RF transmission line(s).

Abstract: Provided is a moving object mounted radar antenna including an antenna substrate that includes a main flat surface facing an object, a first antenna element that is allowed to receive a polarization component in a first polarization direction parallel to the main flat surface, a second antenna element that is allowed to receive a polarization component in a second polarization direction perpendicular to the main flat surface, and a separation portion that electrically separates the first antenna element and the second antenna element. Each of the first antenna element, the second antenna element, and the separation portion being provided on the antenna substrate.

Abstract: A multibeam antenna including a substrate, and further includes an antenna element, a first guiding apparatus, and a second guiding apparatus disposed on the substrate. The antenna element includes a first pole configured to receive a feeding signal and a second pole that is grounded. The first guiding apparatus enables a first beam generated by the antenna element to radiate in a first direction, and the second guiding apparatus enables a second beam generated by the antenna element to radiate in a second direction. A phase center of the antenna element is at an intersecting point of a first axis and a second axis, the first axis passing through a phase center of the first guiding apparatus and parallel to the first direction, and the second axis passing through a phase center of the second guiding apparatus and parallel to the second direction.

Abstract: An electronic device having multiple antenna groups for data communication may determine a temperature of a first antenna group and determine a power gain of a second antenna group. The electronic device may communicate using the second antenna group in response to determining that the temperature of the first antenna group exceeds a temperature threshold and the power gain of the second antenna group exceeds a gain threshold. In some embodiments, the electronic device may receive communication link preferences, determine an antenna group that is disposed outside of thermal hotspots of the electronic device, and determine a beam that enables the communication link preferences via the antenna group. The electronic device may then transmit or receive data via the antenna group by forming the beam.

Abstract: An electronic device may be provided with wireless circuitry and control circuitry. The wireless circuitry may communicate with a wireless base station using a 5G New Radio (NR) communications protocol. The wireless circuitry may include a phased antenna array. The electronic device may perform antenna scaling operations in which the active antennas in the phased antenna array change over time to optimize wireless performance and power consumption. The electronic device may inform the base station when antenna scaling operations have occurred. This may allow the base station to compensate for power density discontinuities associated with the antenna scaling operations. If desired, the base station may break transmit and receive signal beam correspondence and the electronic device may use different antenna scaling settings for transmitting and receiving signals.

Abstract: Systems, apparatuses and methods provides for technology that generates, with a phased array of elements of an antenna system, an array element radiation pattern over a scan angle range, where the phased array of elements is spaced at a predetermined wavelength spacing. The technology reflects, with a reflector of the antenna system, the array element radiation pattern emitted from the phased array of elements to Earth, and establishes, based on a shape of the reflector, a predetermined magnification as a function of scan angle range so as to increase the field-of-view of the antenna system. The technology adjusts, based on the shape of the reflector, the array element radiation pattern, by increasing magnification relative to the scan angle range, to have a gain that increases with increases in scan angle relative to a boresight of the antenna system, and reflects, with the reflector, radiation from Earth to the phased array of elements.

Abstract: A reference signal generator generates a reference signal having high auto-correlation. A delay unit delays the reference signal to generate delayed reference signals and outputs the reference signal and the delayed reference signals to the transmission units, respectively. A calibration network combines the output signals of the transmission units. An analyzer analyzes a correlation between a demodulated signal and the reference signal to determine variations of timing, amplitude and a phase of the output signal of each transmission unit. Each transmission unit calibrates the timing, amplitude and phase of the output signal based on a corresponding determination result.

Abstract: An electronic device includes a substrate, plurality of electrodes disposed on the substrate, a plurality of metal elements disposed on the substrate, a plurality of first lines disposed on the substrate, and a radio frequency signal processor. One of the plurality of metal elements is overlapped one of the plurality of electrodes. The radio frequency signal processor provides a signal to the one of the plurality of electrodes through one of the plurality of first lines.

Abstract: System including a dual-fed antenna element is designed to present 2×2 port impedances that guarantee high efficiency operation of the main- and auxiliary transistors at peak- and backed off power. The proposed solution eliminates the need for lossy power combining, such as PCB based circuit combining or impedance matching networks between the antenna element and the main- and auxiliary amplifiers. The power from the main- and auxiliary transistors are combined at the circuit level by the antenna element.

Abstract: An antenna structure includes a first antenna radiator, a second antenna radiator, and a first impedance matching circuit. The first antenna radiator and the second antenna radiator are disposed in a laminated or opposite manner, and a gap exists between the first antenna radiator and the second antenna radiator. The length of the first antenna radiator is greater than that of the second antenna radiator, and the resonant frequency band of the first antenna radiator is smaller than that of the second antenna radiator. The first end of the first antenna radiator is grounded, a first feeding point is provided on the first antenna radiator. The first end of the second antenna radiator is grounded, a second feeding point is provided on the second antenna radiator, and the second feeding point is connected to a second signal source.

Abstract: A resonance structure includes a first conductor; a second conductor that faces the first conductor in a first direction; one or more third conductors that are positioned between the first conductor and the second conductor, and that extend along a first plane including the first direction; and a fourth conductor that is connected to the first conductor and the second conductor, and that extends along the first plane. The first conductor and the second conductor extend along a second direction that intersects with the first plane. The first conductor and the second conductor are configured to be capacitively coupled via the one or more third conductors. The one or more third conductors have asymmetry with respect to a third direction that intersects with the first direction in the first plane.

Abstract: A printed circuit board (PCB) adopting an edge antenna which designs an antenna pattern in an edge region of the PCB to generate a beam pattern generated from the antenna pattern not in a vertical direction to an antenna plane but in a lateral direction of the PCB, thereby enabling face-to-face communication between large-area battery packs laterally adjacent to each other, and a battery including battery packs having the PCB.

Abstract: A dielectrically loaded printed antenna element is described. The antenna element includes at least one conductive arm supported on a substrate. The conductive arm is dielectrically loaded with at least one high dielectric material that is configured to provide spatial coverage of the conductive arm. An antenna array structure is also described that includes at least a first dielectrically loaded antenna element for transmitting and a second dielectrically loaded antenna element for receiving. The transmitting antenna element is aligned orthogonal to the receiving antenna element to further reduce interference.

Abstract: An edge connector includes a first row of golden fingers and a second row of golden fingers. The first row of golden fingers is adjacent to a plugging end of the edge connector, and the second row of golden fingers is adjacent to the first row of golden fingers. In a plugging direction of the edge connector, each golden finger in the first row of golden fingers has a first end proximate to the plugging end and a second end opposite to the first end. A first end of a grounded golden finger in the first row of golden fingers is protruded from other golden fingers, and second ends of two or more than two golden fingers in the first row of golden fingers are not aligned with each other.

Abstract: The present invention provides a USB plug with fixing structure for convenient installation, and tends to provide a USB plug with better integrity, simple structure and practicability, the key point of the technical solution of the present invention is that a USB plug body includes an upper housing, a lower housing and circuit boards disposed in the upper housing and the lower housing, the USB plug further includes a plug portion including an extending plate integrally connected with the lower housing, a contact pad structure integrally connected with the circuit board and abutting the extending plate, and a metal housing sleeved outside the extending plate and the contact pad structure, and the present invention is applied to the technical field of USB plugs.

Abstract: A connector, having a shunt structure, includes an insulating housing, a shunt socket and a plurality of electrical terminals. The insulating housing has a first side surface and a second side surface. The first side surface has an input interface provided for insertion of a power supply component along a first direction. The input interface is a rectangle, having a longitudinal direction parallel to a second direction. The first direction is perpendicular to the second direction. The second side surface has an output interface. The shunt socket is located on a third side surface and has a clamping portion on a side wall. Each electrical terminal has a contact portion and a leg. Each contact portion extends into the input interface, and each of the legs extends to the output interface. Some electrical terminals have a shunt contact portion, extending into the shunt socket and electrically connected therewith.

Abstract: A connector for a flat flexible cable includes a housing defining a receptacle receiving the flat flexible cable, and an actuator movably mounted to the housing. A conductive terminal is positioned within the receptacle and includes a first portion arranged in contact with the actuator, and a surface mounting tab extending through the housing and having an end positioned on an exterior surface of the housing. The first portion of the terminal is biased between an open position and a clamping position by the actuator.

Abstract: A terminal includes a male terminal and a female terminal to be connected to each other. The male terminal includes a tab having a circular cross-section. The female terminal includes a body portion having a connecting space S formed inside, the tab being arranged in the connecting space S. The body portion includes a resiliently deformable resilient contact piece and a pair of receiving portions. The resilient contact piece has a variable connection surface arranged toward a center SO of the connecting space S when viewed from a connecting direction. The pair of receiving portions are arranged on a side opposite to the resilient contact piece across the connection space S and have a pair of flat fixed connection surfaces inclined to spread toward the variable connection surface. An opening angle of the pair of fixed connection surfaces is constant in the connecting direction.

Abstract: Housings have blade receiving portions for blade insertion formed in a peripheral wall by two side walls facing each other in the through-thickness direction of the blades and two end walls; the multiple connecting units include end connecting units located at the opposite ends in the through-thickness direction of the blades and intermediate connecting units located between the end connecting units; engagement grooves engaging with counterpart connect bodies formed in the intermediate connecting units between the side walls and the end walls of the housing to extend in the through-thickness direction of the blades and be open toward the counterpart connect bodies; and no grooves are formed in end connecting units to an extent equal to or greater than the depth of the engagement grooves of the intermediate connecting units between the end walls and the outer side walls located on the outside in the through-thickness direction of the blades.

Abstract: An electrical connector assembly includes a female connector, which includes a female connector housing defining a cavity having an hourglass shape and a first array of electrically-conductive pins disposed within the cavity. The electrical connector assembly further includes a male connector that includes a male connector housing having an hourglass-shaped protrusion dimensioned to be inserted into and fit tightly within the cavity and a second array of electrically-conductive sockets, which are contained within the protrusion and are dimensioned and aligned so that upon insertion of the protrusion into the cavity, each of the pins is introduced into and makes electrical contact with a respective one of the sockets.