Abstract: The present invention relates to ultra-wideband (UWB) directional circular-field-polarization antennae. The technical result consists in development of a UWB antenna in which a unidirectional radiation is naturally generated within a wide or ultra-wide frequency band and generally does not require the use of an absorber on a back side of a radiating element. The UWB antenna comprises: a dielectric substrate; at least one feed line formed on the dielectric substrate; a spiral radiating element formed on the substrate and coupled to said at least one feed line; at least one additional dielectric substrate arranged in parallel with and above said dielectric substrate, wherein a flat printed cavity of an axially-symmetric shape is formed on said at least one additional dielectric substrate, said cavity being arranged coaxially with the spiral radiating element.

Abstract: Grounding apparatus for mobile devices and methods of utilizing and manufacturing the same. In one embodiment, an outer metallized surface of a mobile device is configured to capacitively couple a metal back cover to the device ground. Specifically, in one implementation, an exterior surface of the mobile device is metalized and coupled to the device ground via galvanic contacts. The exterior metalized surface is configured to be capacitively coupled a metal back cover of a mobile device to the device ground when the back cover is installed on the mobile device. By capacitively coupling the back cover to the device ground via the exterior metalized surface, the need to otherwise ground the back cover through the use of galvanic contacts is obviated, thereby reducing the number of components needed.

Abstract: The invention relates to an improved antenna element. Such an antenna element comprises a substrate, a first conductor and a second conductor. The substrate has at least a first lateral surface. The first conductor is provided on the first lateral surface, and includes a feed line portion and a monopole portion. The second conductor is provided at least partially on the same, first lateral surface, and includes: two ground planes which are disposed on the first lateral surface adjacent to the feed line portion of the first conductor at opposite sides thereof, and two stubs which are disposed on the first lateral surface at opposite sides of the respective of the two ground planes, and which extend in a direction parallel to the feed line portion of the first conductor. The two ground planes and the two stubs of the second conductor are arranged to form a coplanar waveguide.

Abstract: Embodiments are provided for antenna assemblies. An example apparatus includes a first plate forming a first ground plane for an antenna; a second plate forming a second ground plane for a circuit, wherein a first edge of the first plate is orthogonally adjacent to a second edge of the second plate; and a coupler to form a capacitive coupling between the first ground plane and the second ground plane.

Abstract: Disclosed are exemplary embodiments of omnidirectional broadband antennas and capacitively grounded cable brackets. In an exemplary embodiment, an omnidirectional broadband antenna generally includes a ground element, an antenna element, an annular element, and a cable bracket capacitively grounded to the ground element. The cable bracket is configured to allow soldering of a cable braid to the cable bracket for feeding the antenna element without direct galvanic contact between the cable braid and the ground element.

Abstract: A communication device includes a system ground plane, a ground element, an antenna element, and a metal guide line. The ground element is coupled to the system ground plane. The ground element has a first edge, a second edge, and a connection point. The first edge and the second edge are opposite to each other. The connection point is positioned at the second edge. The antenna element is disposed adjacent to, or at, the first edge. One end of the metal guide line is coupled to the connection point, and another end of the metal guide line is open.

Abstract: Real-time calibration of a tunable matching network that matches the dynamic impedance of an antenna in a radio frequency receiver system. The radio frequency receiver system includes two non-linear equations that may be solved to determine the reflection coefficient of the antenna. The tunable matching network is repeatedly perturbed and the power received by the antenna is measured after each perturbation at the same node in the matching network. The measured power values are used by an optimizer in converging to a solution that provides the reflection coefficient of the antenna. The reflection coefficient of the antenna may be used to determine the input impedance of the antenna. The elements of the matching circuit are then adjusted to match the input impedance of the antenna.

Abstract: A method and apparatus for controlling an antenna is provided. A load on a second antenna of a device is determined, the device comprising at least one processor, a first antenna, a variable tuning circuit connected to the first antenna, and the second antenna, wherein the processor determines the load. The processor controls the variable tuning circuit based on the load on the second antenna to change a match of the first antenna.

Abstract: This disclosure provides systems, methods, and apparatus for antenna switching. In one embodiment, a wireless communication apparatus is provided. The wireless communication apparatus includes a plurality of antennas including a first antenna and a second antenna. The wireless communication apparatus further includes at least one receive circuit including a first receive circuit. The wireless communication apparatus further includes a controller configured to selectively switch the first receive circuit from receiving wireless communications via the first antenna to receive wireless communications via the second antenna if one or more performance characteristics of the first antenna are below a threshold in one or more measurement cycles, the one or more measurement cycles including a wake-up cycle outside of a predetermined wake-up cycle. Other aspects, embodiments, and features are also claimed and described.

Abstract: A system that incorporates the subject disclosure may include, for example, a circuit for initiating a first multiple-input and multiple-output (MIMO) communication session with a primary base station, and initiating a second MIMO communication session with a first secondary base station of a plurality of secondary base stations without terminating the first MIMO communication session with the primary base station. The primary base station can include a primary antenna system having a first communication range, while each of the plurality of secondary base stations can include a secondary antenna system having a second communication range that is a subset of the first communication range of the primary antenna system. The plurality of secondary base stations can correspond to a plurality of small cell sites distributed within the first communication range of the primary base station. Other embodiments are disclosed.

Abstract: A configurable segmented antenna is described herein. A monitor component can be configured to detect at least one parameter corresponding to one or more segments of an antenna integrated with a communications device. An antenna component can be configured to select at least one segment of the one or more segments in response to the at least one parameter. A control component can be configured to modify a quality of a signal according to the at least one parameter. Further, a transmission component can be configured to transmit the signal from the at least one segment based on the quality.

Abstract: A wireless communication device includes a metallic housing and an antenna structure. The metallic housing includes a bottom frame and a side frame spaced from the bottom frame. The antenna structure includes a feed end plate, a ground end plate, a main radiator, and a coupling section. The ground end plate is coupled to the bottom frame. The main radiator is coupled between the feed end plate and the side frame. The coupling section is coupled to the main radiator and extending parallel to the bottom frame. A first end of the coupling section is coupled to a distal end of the feed end plate, and a second end of the coupling section extends towards the ground end plate, current is coupled from the feed end plate to the ground end plate via the coupling section and is coupled from the coupling section to the bottom frame.

Abstract: A mobile device includes a ground plane, a first radiation branch, and a second radiation branch. The second radiation branch is coupled to the ground plane, and is disposed adjacent to the first radiation branch. An antenna structure is formed by the first radiation branch and the second radiation branch. The first radiation branch is fed from a signal source. The second radiation branch is excited by the first radiation branch through coupling therebetween.

Abstract: The multiple polarization loop antenna includes a circularly polarized loop antenna, which may utilize a loop electrical conductor and two signal feedpoints along the loop electrical conductor separated by one quarter of the length of the loop circumference for a signal feedpoint phase angle input difference of 90 degrees. Each of the signal feedpoints may include a loop discontinuity, so that at least one signal source coupled thereto provides circular polarization from the loop electrical conductor. The circularly polarized loop antenna provides an increase in gain and decrease in size relative to the dipole turnstile. It can provide two orthogonal polarizations from two isolated ports, and the polarizations may be dual linear or dual circular.

Abstract: A wireless power receiver includes a receiver resonator configured to be coupled to a source resonator to receive a power from the source resonator, the receiver resonator comprising: an inverted U-shaped dielectric layer whose distal ends are bent inward; an antenna patterned in the form of a loop in line with the shape of the dielectric layer; and a meta-structure arranged around the antenna on the dielectric layer, wherein the meta-structure is configured to reinforce at least one of the electric fields and magnetic fields that are formed in the receiver resonator.

Abstract: An antenna assembly having a pair of feed conductive elements directed in divergent directions, with each pair of conductive elements including a conical sheet conductor and a cylindrical sheet conductor, and radiating wire conductors extending away from each cylindrical sheet conductor. A balun feed system is defined between the pair of conical sheet conductors. A plurality of ferrite-cored inductors are provided on the wire conductors. A tubular radome assembly protects at least the radiating wire conductors from damage from external forces.

Abstract: An antenna apparatus is provided. The antenna apparatus includes a first section including at least one slit spaced apart from an outer edge of the antenna apparatus by a predetermined distance, a second section distinguished from the first section through the slit, and a feeding module for supplying a current to at least one of the first section and the second section.

Abstract: An modular reflector assembly may include a shell and a support frame. The modular reflector assembly may also include a plurality of support links that mechanically couple the shell to the support frame. The shell may be thermally decoupled from the support frame by the plurality of support links.

Abstract: An improved antenna reflector coating and a method for applying the coating is disclosed. A region of the reflector surface smaller than the entire reflective surface is identified and designated for hydrophobic treatment, and thereafter hydrophobically treated. Provision is made for identifying the region according to desired parameters and in consideration of multiple LNB embodiments.

Abstract: A proximity wireless communication device includes a first housing and a second housing, and they are provided with respective two antennas. In the first housing, a first antenna and a second antenna are configured to be disposed on different parallel planes, and in the second housing, a third antenna and a fourth antenna are configured to be disposed on different parallel planes. Then, the first antenna and the third antenna carry out non-contact near-field wireless communication facing in proximity and the second antenna and the fourth antenna carry out non-contact near-field wireless communication facing in proximity.

Abstract: A millimeter-wave radio frequency (RF) module is provided. The RF module includes a multilayer substrate having at least a front layer, a back layer, a plurality of middle layers, a first ground layer, and a second ground layer, wherein the first ground layer includes a graded-ground plane having a pair of non-overlapping ground lines connected at a single connection point through a graded connection, and wherein the second ground layer includes a double graded-ground plane having a pair of overlapping ground lines connected at a single connection point through a graded connection, wherein the first ground layer and the second ground layer provide a reference ground to a transmission line included in the multilayer substrate.

Abstract: A multi-antenna array system includes active antennas each of which includes an antenna element and an amplifier that includes a matching circuit, a failure detector, and a circuit controller. The failure detector detects a failure in each of the active antennas, and in a case where a failure is detected in any of the active antennas, the circuit controller performs control to change a matching condition of the matching circuit included in each of the active antennas not having a failure such that total output power of the multi-antenna array system is maintained.

Abstract: A ground-based antenna system includes a first phased array antenna to generate a first directional antenna beam at a first polarization, and a second phased array antenna to generate a second directional antenna beam at a second polarization. The first and second phased array antennas each include a lower antenna element row, an upper antenna element row, and medial antenna element rows therebetween. The ground-based antenna system further includes first and second antenna beam controllers cooperating with the first and second phased array antennas to generate a more steeply sloped phase taper associated with the lower antenna element row, a less steeply sloped phase taper associated with the medial antenna element rows, and a more steeply sloped phase taper associated with the upper antenna element row.

Abstract: In a terminal connection method of inserting a wire tip of an insulated wire, which is formed by stripping a front end of an insulating cover to expose an aluminum core wire, into a pressure-bonding section of a female crimp terminal to pressure bond the insulated wire to the female crimp terminal via the pressure-bonding section, signs are formed on the outer circumferential face of an insulated tip of the insulating cover at a distance of an internal length of the pressure-bonding section from a conductor tip face of the conductor tip, and the wire tip is inserted up to the signs in the pressure-bonding section to pressure-bond the wire tip to the pressure-bonding section.

Abstract: An electrical connector can include a connector housing including a housing body that can define an opening that is configured to receive a complementary electrically conductive component along a mating direction. The electrical connector can further include at least one contact member that is supported by the connector housing and is configured to contact the complementary electrically conductive component when the complementary electrically conductive component is received in the opening. The at least one contact member can include an arm having a proximate portion, a distal portion, and an intermediate portion between the proximal and distal portions. The intermediate portion can be spaced outward with respect to each of the proximate and distal portions, and the intermediate portion can bear against the retention rib so as to retain the at least one contact member with respect to the connector housing.

Abstract: A compact spring-biased connector includes a housing having a chamber containing a conductive bus bar, a clamping spring normally having an expanded clamping condition for biasing a conductor bare end toward electrical engagement with the bus bar, and a release lever pivotally connected with the housing for displacement from a normally closed clamping position toward an open position, such that a lateral projection on the clamping lever operates the clamping spring toward a compressed open condition, thereby permitting removal of the conductor bare end from the housing chamber. The clamping spring is a compression V-shaped leaf spring having a stationary support leg and a movable clamping leg, with the lateral operating projection extending within the chamber to engage the spring clamping leg adjacent its juncture with the support leg.

Abstract: A vertical mounted battery terminal mounting assembly includes a battery having a terminal post. A post attachment structure including a contact portion shaped to engage the terminal post of the battery is provided. The post attachment structure includes a wedge translation portion having an angled slide surface. An internal wedge is positioned within the post attachment structure. The internal wedge includes an angled wall and terminal contacts. A core bolt is rotationally fixed and extends through the post attachment structure and the internal wedge. A nut is threaded on the core bolt and contacts an upper edge of the internal wedge wherein the angled wall of the internal wedge engages the angled slide surface of the post attachment structure.

Abstract: An electrical connection includes an elongate stud defining a central longitudinal axis, and having a patterned segment, a shoulder, and a flange. The shoulder is generally circular in cross-section having one or more outwardly directed curved surfaces. The shoulder may have an outer continuous curved surface, an outer continuous undulating curved surface, an outer continuous undulating curved surface including alternating sectors of concave and convex regions relative to the longitudinal axis of the elongate stud. Convex regions of the shoulder define corresponding flutes whose cross sections each form a fraction of a first circle, and concave regions define corresponding lobes whose cross sections each form a fraction of a second circle. A diameter or radius of the first and second circles are the same. In an aspect, the diameters or radii of the first and second circles are different. The shoulder may be multilobular, pentalobular, hexalobular or octalobular.

Abstract: Connectors including apertures for grounding outer conductors of conduits and connectors including grounding grooves for grounding outer conductors of conduits are disclosed. In some embodiments, a connector includes a bore, a gripping portion axially surrounding the bore, a generally cylindrical aperture for receiving a grounding wire, and a securing port for securing the grounding wire in the aperture. An exterior gripping surface of the gripping portion is symmetric. The generally cylindrical aperture extends along an aperture centerline through at least a portion of the gripping portion. The securing port extends along a securing port centerline and intersects the generally cylindrical aperture. In other embodiments, a connector includes a grounding groove extending at least partially around an outer diameter of the connector that is adapted to receive the grounding wire, and a securing port longitudinally offset from the grounding groove and extending along a securing port centerline.

Abstract: A flap is provided for closing off a cavity of a terminal, which includes a memory card reader. The flap includes at least one slot for inserting a memory card, and the slot is obtained by a difference in height between a base plane and an insertion plane, and the slot has a guiding profile.

Abstract: A card holding member is provided which is able to hold a card having terminal members and is able to be inserted into a card connector. The card holding member includes a card holding frame portion facing the side surfaces of the card, and a first portion including a first connecting portion. The card holding member further includes a main body portion, and a second portion including a second connecting portion connected to the first connecting portion. The card holding member further includes a first elastic member mounted on the outer periphery of the main body portion. The card holding member further includes a second elastic member mounted between the first connecting portion and the second connecting portion.

Abstract: A header apparatus for providing electrical connection between a daughter card and a printed circuit board. The header apparatus may include a body having a base and a backing portion extending outwardly from the base portion. The header apparatus may include at least one pin extending through the base in a direction substantially parallel to the backing portion, and a gap formed between opposing surfaces of the backing portion and the at least one pin. The header apparatus may be configured to receive at least a portion of the daughter card at the gap to connect the header apparatus and the daughter card. The header apparatus may be connected to a daughter card and/or main printed circuit board, and may communicatively couple the daughter card and main printed circuit board.

Abstract: A method and an electrical interconnect mechanism in which elastomeric pins are printed onto metal retainer tabs having at least one protrusion or tab extending laterally therefrom to engage a catch or recess of the laminated housing so as to locate each of the elastomeric pins and secure them within the housing. In one embodiment a champher may be employed with a catch or recess to engagely secure a second protrusion or tab extending laterally from another side of said elastomeric pin. In another embodiment the elastomeric pin may have a solid metal ring or a slide collar around the center of the pin wherein the ring has one or two tabs for engaging the recess in the housing and if preferred also the recess of a champfer.

Abstract: A tin-plated/silver-plated laminate which has excellent abrasion resistance, electrical conductivity and slidability and a low frictional property is provided, which prevents the embrittlement of a plating layer contained therein. A method for producing the laminate involves forming a silver plating layer on a tin plating layer that is formed on the surface of a metallic base material by subjecting an arbitrary region in the surface of a tin plating layer to a nickel plating treatment to form a nickel plating layer; subjecting an arbitrary region in the surface of the nickel plating layer to a silver strike plating treatment; and subjecting at least a part of the surface region of the nickel plating layer, which has been subjected to the silver strike plating treatment, to a silver plating treatment.

Abstract: An electric connector terminal body defines an interior space that extends along an axis. An electric contact located within the interior space includes a contact base and a plurality of contact arms that extend from the contact base toward an outer end of the terminal body. An end cap located on the outer end of the terminal body includes a cap base that defines a cap opening that is co-axial with the interior space. The end cap also includes a flange that extends from the cap base in an inner direction into the interior space of the terminal body. The flange includes an engagement tab that extends from the flange in a radial direction generally perpendicular to the axis of the interior space and engages a terminal groove located in a wall of the interior space.

Abstract: A hybrid plug connector is disclosed in this invention. The hybrid plug connector includes a plug housing, a row of signal terminal assemblies and a row of power terminals. Each power terminal includes two independent and symmetrical conductive plates, which are combined together. Each conductive plate has a first protrusion and a second protrusion located below the first protrusion. When the power terminal is mounted on the plug housing, the first and second protrusions can clamp a beam located in a corresponding power terminal-receiving passage to prevent the power terminal from falling off when being shook up and down.

Abstract: An enclosure for an AC to DC adapter has a continuous and seamless exterior surface. The enclosure includes a housing and a front wall that are joined by a bonded interface. The front wall is formed from a metallic interface plate and an exterior layer of plastic that is formed over the metallic interface plate and bonded to the housing.

Abstract: Method and apparatus for supplying external power through a sealed light enclosure that includes a lens portion and a back portion, a first electrical connector mounted through the back portion; a light source inside the enclosure connected to the first electrical connector such that when electrical power is applied to the first electrical connector, the light source illuminates. A second electrical connector has a connection interface exposed on the outer face of the lens portion, wherein the second connector is electrically connected to the first electrical connector, optionally through a series-connected fuse. The second connector is mounted on the back portion and sealed to the lens portion. Some embodiments include a rubber plug that can be plugged into the second connector to keep moisture out, wherein the plug includes an indicator light for indicating whether power is available through the second connector (i.e., that the fuse is not blown).

Abstract: A cable for connecting to a connector of a high-voltage device includes an integral yield sensor. The yield sensor may be a pressure or force sensor, or a displacement sensor, including a stator part and a mobile part, and a spring for maintaining a compression force on the end portion of the cable towards the connector of the high-voltage device. The displacement sensor can include a Hall effect sensor and a linear array of magnetic elements arranged such that the Hall effect sensor moves relative to the linear array if there is any movement between the stator and mobile parts of the sensor, The magnetic field readings are interpreted in order to determine the amount of movement. A system for controlling a high voltage device in response to pressure and other information received from sensors in the cable is also provided.

Abstract: A connector pair comprises a connector and a mating connector. A movement of the connector to a first position along a first direction and a subsequent movement of the connector from the first position to a second position along a second direction perpendicular to the first direction completes a connection between the connector and the mating connector. The connector comprises a magnetic portion, and the mating connector comprises a mating magnetic portion. When the connector is located at the first position, the magnetic portion receives a force, which urges the connector to be moved toward the second position, from the mating magnetic portion. When the connector is located at the second position, the magnetic portion receives a force, which binds the connector at the second position, from the mating magnetic portion.

Abstract: An example electronic device is provided in accordance with an aspect of the present disclosure. The electronic device includes a housing having at least a front section and a rear section that is opposite to the front section, a connector embedded in a center of the rear section, wherein the connector includes a connection portion to electronically connect the electronic device to an external system and an attachment portion to mechanically attach the connector to an external system.

Abstract: A connector includes a holding member which is formed with two accommodation portions, a middle portion and regulating portions. Flat plate portions which form a mid-plate are accommodated by the accommodation portions, respectively. Each of the flat plate portions has a base portion, a press-fit portion, a spring portion, a lock portion and a regulated portion. The press-fit portion protrudes from the base portion in a pitch direction and is pressed against the holding portion. The spring portion extends forward from the base portion and has resilience. The spring portion is apart from the regulating portion in the pitch direction. The lock portion is supported by the spring portion and protrudes outside the mating portion in the pitch direction. The regulated portion extends forward from the base portion and is situated inward of the regulating portions in the pitch direction.

Abstract: A plug-in connector includes a latching system, for being received in and latched to an additional plug-in connector. The latching system is arranged on a connector housing and comprising at least one latching tab having a latching lug. The latching tab includes a pressure tab that can be positioned against the connector housing in order to exert a spring force.

Abstract: An electrical connector includes a housing and a connector position assurance (CPA) element. The CPA element includes a beam that is deflected from a blocked position to a clearance position by a mating connector that is loaded into a cavity of the housing. When the beam is in the blocked position, movement of the CPA element from an extended position to an inserted position is mechanically blocked by a protrusion of the housing that abuts the beam. The beam of the CPA element, when moved to the clearance position, clears the protrusion to allow the CPA element to move from the extended position to the inserted position. The housing may include a pair of such deflectable beams, each with a slot having an opening at its distal end. The opening of one of the beams aligns with the protrusion when the beam is deflected to its clearance position.

Abstract: A card holding member is provided which is able to hold a card having terminal members and which is able to be inserted into a card connector. The card holding member includes a frame portion, side frame portions, and a movable lock portion. The frame portion includes a front frame portion positioned forward in the insertion direction of the card holding member into the card connector. The side frame portions are connected at both ends to the front frame portion. The movable lock portion is positioned on a side frame portion and is able to engage and disengage from a lock portion on the card connector. The movable lock portion receives force from the lock portion of the card connector forward in the insertion direction when engaging the lock portion of the card connector.

Abstract: A plug (1) for electrical equipment, the plug comprising a pin (2) and the pin comprising an electrical terminal contact, the plug further comprising a housing (3), the plug arranged to be received in a socket (10), wherein the pin and the housing configured to enable the pin to be pivoted out of the socket by way of a force applied to a cable entry region of the plug by a cable attached to the plug.

Abstract: An electrical connector for transmitting data signals between the insulated conductors of a first data cable and corresponding insulated conductors of a second data cable, including a first part having a socket shaped to at least partially receive a plug of said first data cable; a second part having a plurality of insulation displacement contact slots shaped to receive end sections of the conductors of the second data cable; and a plurality of electrically conductive contacts including resiliently compressible spring finger contacts extending into the socket for electrical connection with corresponding conductors of the first cable; insulation displacement contacts seated in corresponding insulation displacement contact slots for effecting electrical connection with corresponding conductors of the second data cable; and mid sections extending therebetween, wherein relative movement between the mid sections of the contacts is inhibited by a fastener.

Abstract: A cable connector assembly including: an electrical connector including an insulative housing, a number of contacts retained in the insulative housing and arranged in two rows apart from each other along a vertical direction, and a latch retained in the insulative housing, wherein the contacts arranged in an upper row include a pair of high-frequency signal contacts and the contacts arranged in a lower row include a pair of high-frequency signal contacts, the two pairs of high-frequency signal contacts disposed relative to each other along the vertical direction; and a cable including a number of wires electrically connected with the contacts of the electrical connector; wherein the electrical connector further includes a grounding plate, the grounding plate including a shielding sheet extending between the two pairs of high-frequency signal contacts.

Abstract: An intrinsic safe in-line adaptor with an integrated capacitive barrier for connecting a wireless module with an antenna. The in-line adaptor (e.g., N-type to N-type) can be designed to include an intrinsic safe circuit and the integrated capacitive barrier. The intrinsic safe circuit further includes a multi-layer PCB and the PCB can be potted and sealed with a mechanical metal casing. The intrinsic safe capacitive barrier can be integrated with a coaxial connector and mounted as part of a flameproof enclosure to meet an explosion safety standard and an intrinsic safety requirement. The mechanical metal casing can be isolated by the enclosure (e.g., rubber) to meet isolation requirements. The wireless module can be directly connected with the antenna utilizing the in-line adaptor via the coaxial connector and without any specific cable assembly.

Abstract: A spool apparatus is described to include in one particular example a cable spool with a first cylindrical lip and a second cylindrical lip on an opposite side of the cable spool. A center of the spool includes a clutch bearing in the center of both the first cylindrical lip and the second cylindrical lip that provides a rotational axis for the cable spool to rotate around. The apparatus may also include a feed slot near the first cylindrical lip that provides a passage for cable to pass from the second cylindrical lip to the first cylindrical lip.