Abstract: The present invention pertains to a membrane for an electrochemical device, to a process for manufacturing said membrane and to use of said membrane in a process for manufacturing an electrochemical device.

Abstract: A manufacturing method of a battery structure is provided. A packing is provided, wherein the packing pre-forms an accommodating space. A first battery unit is disposed into the accommodating space, wherein the first battery unit includes at least one anode and at least one cathode alternately stacked with each other and a dielectric layer located between the anode and the cathode. A separation membrane is disposed into the accommodating space and located on the first battery unit. A second battery unit is stacked onto the separation membrane, located in the accommodating space and includes at least one anode and at least one cathode alternately stacked with each other and a dielectric layer located between the anode and the cathode. A dimension of the first battery unit is smaller than a dimension of the second battery unit. Electrolytes is injected into the accommodating space. The packing is sealed.

Abstract: A battery pack includes a first core pack and a second core pack each holding a plurality of unit cells. The unit cells of one of first cell groups (or second cell groups) in each of the first core pack and the second core pack are electrically connected to a connector through a positive-side connection busbar and a negative-side connection busbar, respectively. Vertically adjacent cell groups are electrically connected to each other through cell group interconnection busbars. Insulator is interposed between the mutually facing cell group interconnection busbars that present a largest potential difference.

Abstract: A method for manufacturing a laminated bus bar includes a first base member forming process of forming a plurality of first through-holes in a conductive flat plate-shaped first base member, a second base member forming process of forming a conductive flat plate-shaped second base member, a laminating process of forming a laminated body configured by laminating and fixing flat surfaces of the first base member and the second base member on and to each other, and a punching process of forming, in the second base member of the laminated body, second through-holes forming pairs with the first through-holes, the second through-holes being smaller than the first through-holes in portions overlapping with the first through-holes in a lamination direction of the first base member and the second base member.

Abstract: The disclosure relates to a secondary battery and a battery module. The secondary battery comprises: a case comprising a receiving hole having an opening; a cap assembly connected with the case to close the opening; an electrode assembly disposed in the receiving hole, wherein the electrode assembly comprises two end surfaces opposite to each other in a first direction and tabs extending from respective end surfaces, and there are two or more electrode assemblies stacked in the axial direction; and a current collector comprising an extending portion and a current collecting portion connected to the tab, wherein the extending portion extends in the axial direction, the current collecting portion comprises a connecting end extending in a second direction perpendicular to both the axial direction and the first direction, and is connected to an end of the extending portion away from the cap assembly through the connecting end.

Abstract: The present disclosure relates to a battery module comprising a first battery unit and a second battery unit, each of which comprises N secondary batteries, N is an integer greater than or equal to 2, and each secondary battery comprises a first electrode lead and a second electrode lead having opposite polarities. The first electrode lead has a melting point higher than that of the second electrode lead, and N first electrode leads of the first battery unit and N second electrode leads of the second battery unit are arranged to form a layered construction. The battery module has a plurality of connection points distributed in the layered construction, the number of which is greater than or equal to N, and each connection point is adapted to electrically connect one first electrode lead of the first battery unit to at least one second electrode lead of the second battery unit.

Abstract: An energy storage device includes: an electrode assembly; a case configured to store the electrode assembly; a conductive member electrically connected to the electrode assembly; a first insulating member disposed between a wall of the case and the conductive member; and a projection protrudingly provided on the wall on an opposite side to the first insulating member, wherein the first insulating member has a first engaging portion configured to engage with a limiting portion, the limiting portion being a portion of a recess formed on the wall on an opposite side to the projection.

Abstract: An electric storage device includes an electrode body including a plurality of first electrode plates and a plurality of second electrode plates, a first electrode output terminal, a second electrode output terminal, a first current collector, and a second current collector. The first electrode plates have first tabs that protrude from the electrode body and have conductivity and are connected to the first current collector. The first tabs are stacked to form a first tab stack, one surface of the first tab stack is in contact with the first current collector, and a first protective sheet is disposed on and in contact with the other surface on the side opposite to the one surface. On the periphery of the first protective sheet, there is a corner formed by two adjacent sides. At least the corner of the first protective sheet is joined to the first tab stack.

Abstract: A battery module according to the present disclosure includes a plurality of battery cells, each including an electrode lead which extends in horizontal direction from a front side, the electrode lead having at least one bent part, wherein the electrode leads disposed adjacent to each other in up-down direction are stacked in up-down direction in surface contact with each other, and a plurality of lead cartridges, each including two post parts disposed at each of an outer side of one end of the electrode lead and an outer side of the other end, a partition part formed in a shape of a plate which stands erect in up-down direction between the two post parts and having a receiving space in which the electrode leads in surface contact are individually received inside, and a first spacer part which protrudes forward from top of the partition part to space the electrode lead which protrudes out of the receiving space apart from a different electrode lead.

Abstract: A rechargeable battery includes an electrode assembly in a case, and a cap assembly coupled to the case, the cap assembly having a cap plate sealing the case, the cap plate including a short-circuit hole and a conductive groove surrounding the short-circuit hole, an inversion plate in the conductive groove of the cap plate, a connection plate covering the short-circuit hole of the cap plate, and a short-circuit member between the connection plate and the inversion plate, the short-circuit member at least partially passing through the short-circuit hole and contacting the connection plate.

Abstract: A cap assembly and a secondary battery including the cap assembly including a cap-down, and at least a portion thereof is configured to open when pressure is applied to the cap-down, a vent portion, and at least a portion thereof is configured to open when pressure is applied to the vent portion, and a cap-up electrically connected to the vent portion.

Abstract: An iris bridge for coupling two radio frequency resonators includes: a body of dielectric material having an exposed first surface area, having a predetermined length, width and thickness, and having an elongate shape along the length of the body; a hole disposed through the body along the width of the body, the hole having a wall forming a second surface area of the body; and a conductive coating covering the exposed first surface area of the body and a first portion of the second surface area of the body. A second portion of the second surface area is free of conductive coating forming a non-conductive section of the wall of the hole. Such bridge may be tuned for coupling radio frequency resonators.

Abstract: A multimode radio frequency resonator is provided. The multimode radio frequency resonator comprises: a monoblock of dielectric material having an initial shape that allows for multimode resonance, the initial shape comprising surfaces areas and edges between the surface areas. The multimode radio frequency resonator also comprises a conductive layer covering the whole surface of the monoblock, and a split chamfer disposed at one of the edges of the monoblock. The split chamfer includes two symmetrical cut-outs at the outer-most sides of the edge of the monoblock, and a central portion that is intact with respect to the initial shape of the monoblock and separates the symmetrical cut-outs. A method for tuning such a multimode radio frequency resonator is also described.

Abstract: An apparatus is provided. In the apparatus, there is an antenna package and an integrated circuit (IC). A circuit trace assembly is secured to the IC. A coupler (with an antenna assembly and a high impedance surface (HIS)) is secured to the circuit trace assembly. An antenna assembly has a window region, a conductive region that substantially surrounds the window region, a circular patch antenna that is in communication with the IC, and an elliptical patch antenna that is located within the window region, that is extends over at least a portion of the circular patch antenna, and that is in communication with the circular patch antenna. The HIS substantially surrounds the antenna assembly.

Abstract: The invention compensates for abnormal operating temperatures and/or abnormal behaviors of a holographic metasurface antenna (HMA) that is generating a beam based on a holographic function. The HMA is characterized with different holographic functions for a plurality of operating temperatures and a plurality of behaviors during the manufacturing process. The characterization of the HMA identifies different hologram functions that cause the HMA to generate more or less heat or exhibit more or less abnormal behavior while generating equivalent beams. Further, or more characterizations of a hologram function may be performed remotely after the HMA is installed in a real world environment. An operating temperature and/or a temperature gradient may be detected by temperature sensors physically located on a circuit board for the HMA.

Abstract: Embodiments disclosed herein relate to using cobalt (Co) to fine tune the magnetic properties, such as permeability and magnetic loss, of nickel-zinc ferrites to improve the material performance in electronic applications. The method comprises replacing nickel (Ni) with sufficient Co+2 such that the relaxation peak associated with the Co+2 substitution and the relaxation peak associated with the nickel to zinc (Ni/Zn) ratio are into near coincidence. When the relaxation peaks overlap, the material permeability can be substantially maximized and magnetic loss substantially minimized. The resulting materials are useful and provide superior performance particularly for devices operating at the 13.56 MHz ISM band.

Abstract: Provided is an NFC antenna module which connects a side cover (i.e. metal frame), which is formed at one side of a portable terminal, to the antenna pattern so that the side cover is operated as an auxiliary radiator of an antenna pattern. The presented NFC antenna module comprises: a side cover made of a metal material and coupled to one side of the portable terminal; an antenna pattern having one end connected to a short-range communication chipset embedded in the portable terminal; a first terminal portion of the antenna pattern, the first terminal portion having one end connected to the short-range communication chipset and the other end connected to the side cover; and a second terminal portion having one end connected to the other end of the antenna pattern and the other end connected to the side cover.

Abstract: An electronic device includes a housing comprising a first surface, a second surface, and a side surface, a touch screen display positioned inside the housing, wherein the display comprises a display panel and a touch panel that is separated from or integrated with the display panel, a conductive member (conductor) forming at least a portion of the side surface, at least one substantially transparent conductive pattern that is integrated into the display, a ground member (ground) interposed between the first surface and the second surface, a wireless communication circuit including a port electrically coupled to the conductive member, and a processor electrically coupled to the display and the wireless communication circuit. The substantially transparent conductive pattern is electrically coupled to the port of the wireless communication circuit and/or the ground member.

Abstract: An electronic device is provided.

Abstract: A mobile device includes a main antenna structure and a detachable antenna structure. The main antenna structure includes a feeding radiation element, a grounding radiation element, a dielectric substrate, and an iron element. The grounding radiation element is adjacent to the feeding radiation element. The feeding radiation element and the grounding radiation element are disposed on the surface of the dielectric substrate. The iron element is coupled to the grounding radiation element. The detachable antenna structure includes a first radiation element, a second radiation element, a third radiation element, and a magnetic element. The third radiation element is coupled between the first radiation element and the second radiation element. The magnetic element is coupled to the third radiation element. When the magnetic element is attracted to the iron element, the detachable antenna structure can enhance the radiation gain of the main antenna structure.

Abstract: An apparatus may include a protective screen overlay configured to couple with a screen of a wireless device. The protective screen overlay may be optically transparent. A conductive element is positioned in the protective screen overlay and configured to parasitically couple with an antenna of the wireless device when the antenna is energized. The conductive element may be optically transparent.

Abstract: In one embodiment, an antenna system is described. The antenna system includes a primary antenna on an aircraft. The primary antenna is mechanically steerable and has an asymmetric antenna beam pattern with a narrow beamwidth axis and a wide beamwidth axis at boresight. The antenna system also includes a secondary antenna on the aircraft, the secondary antenna including an array of antenna elements. The antenna system also includes an antenna selection system to control communication of a signal between the aircraft and a target satellite via the primary antenna and the secondary antenna. The antenna selection system switches communication of the signal from the primary antenna to the secondary antenna when an amount of interference with an adjacent satellite reaches a threshold due to the wide beamwidth axis of the asymmetric antenna beam pattern.

Abstract: An antenna system capable of operating among all LTE bands, and also capable of operation among all remote side cellular applications, such as GSM, AMPS, GPRS, CDMA, WCDMA, UMTS, and HSPA among others. The antenna system provides a low cost alternative to active-tunable antennas suggested in the prior art for the same multi-platform objective.

Abstract: An antenna device includes a dielectric layer and a radiation electrode on an upper surface of the dielectric layer. The radiation electrode includes a plurality of electrode lines therein. The radiation electrode has a visibility index in a range from ?1.4 to 1.9. An electrode visibility is suppressed and a signaling sensitivity is enhanced from the radiation electrode. A display device including the antenna device is also provided.

Abstract: A dielectric substrate has a first surface formed with a base plate and a second surface formed with an antenna part. The antenna part has one or more antenna patterns. An additional function part has a plurality of conductor patterns arranged around the antenna part. The plurality of conductor patterns resonate in one or more resonance directions to incident waves having an operating frequency of the antenna part, thereby generating emitted waves having polarized waves different from those of electromagnetic waves transmitted/received by the antenna part. For each of the resonance directions, at least one of the conductor patterns includes at least one line pattern having a width which is narrower than the total width of the conductor patterns in the direction perpendicular to the resonance direction.

Abstract: An antenna assembly with compact layout traces includes a circuit board and at least one wireless antenna unit, wherein the circuit board is provided with an antenna module, the at least one wireless antenna unit can be located at the same edge or at different edges of the circuit board, each of the at least one wireless antenna unit includes two antennas of the planar inverted-F antenna (PIFA) structure and a neutralization line, and the two antennas are spaced apart from each other and the two ends of the neutralization line are electrically connected to and overlap the two antennas respectively. By arranging antennas of the same working band along the same edge of the circuit board, the corresponding layout traces can be effectively shortened.

Abstract: Disclosed are systems and methods for improving the quality and strength of a wireless signal connecting a mobile station and a base station, in situations where the mobile station is able to utilize a directional antenna. The system for improving system quality comprise, for example, a directional antenna; an antenna power level detector which detects a signal strength; a signal inverter wherein the signal inverter generates a conditioned signal from the detected signal strength; an indicator wherein the indicator provides an indicator of a signal quality level from the detected signal strength; a reorientation decision logic wherein the reorientation decision logic communicates an instruction for movement of the directional antenna, wherein the detected signal strength is correlated to a projected orientation of the directional antenna at a time the signal strength is detected, and further wherein an antenna orientation control loop communicates a reorientation instruction for the directional antenna.

Abstract: A system includes a base station. The base station includes: a laser assembly that transmits an optical control beam to a phased array antenna external to and remote from the base station; and a radio frequency (RF) transceiver that transmits a radio signal to the phased array antenna. The phased array antenna deflects the radio signal arriving at the phased array antenna in a particular direction indicated by the optical control beam. The particular direction of the deflected radio signal is toward a particular user device.

Abstract: Various methods and systems for combining the capabilities of beam-forming networks together with the benefit of using spatially multiplexed wireless signals.

Abstract: A battery management system includes a primary module in wireless communication with a plurality of sensing, or secondary, modules over a range of frequencies within a predetermined frequency band. Each of the primary module and the sensing modules can be configured to transmit with an antenna polarization setting chosen from a plurality of polarization settings. Each of the sensing modules is configured to communicate with the primary with a predetermined one of its polarization settings for each channel. The primary module is also configured to communicate with a respective secondary module with a predetermined polarization setting for each channel.

Abstract: Disclosed is an antenna module for near field communication, which stacks laminates on which a vertical winding radiation pattern and a horizontal winding radiation pattern are formed, respectively, thereby improving communication performance on the side surface and one surface of a portable terminal while minimizing a mounting space. The disclosed antenna module for near field communication includes a first magnetic member; a vertical winding radiation pattern winding the outer circumference of the first magnetic member; a second magnetic member stacked on the lower surface of the first magnetic member; a horizontal winding radiation pattern formed on one surface of the second magnetic member; a dielectric stacked on the lower surface of the second magnetic member; and a terminal portion formed on the dielectric to be connected to at least one of the vertical winding radiation pattern and the horizontal winding radiation pattern.

Abstract: An antenna segment and a multi segment antenna are disclosed. In an embodiment an antenna segment includes a coil carrier comprising a first end section and a second end section, a wire coil arranged around the coil carrier and a magnetic core arranged in the coil carrier, wherein the magnetic core and the wire coil are arranged such that in the first end section the magnetic core and the coil carrier extend beyond the wire coil and in the second end section the coil carrier and the wire coil extend beyond the magnetic core.

Abstract: An electronic device may be provided with a phased antenna array. Each antenna in the array may include a patch element having first, second, third, and fourth positive antenna feed terminals. The first and second terminals may convey first signals with a first polarization. The third and fourth terminals may convey second signals with a second polarization. Phase shifting components such as phase shifting transmission line segments or phase shifter circuits may ensure that the first signals at the first terminal are out of phase with respect to the first signals at the second terminal and may ensure that the second signals at the third terminal are out of phase with respect to the second signals at the fourth terminal. This may allow antenna current density for both polarizations to be symmetrically distributed about a normal axis of the patch element.

Abstract: Technologies directed to vertical coupling structures for antenna feeds of phased array antennas are described. One circuit board includes a first layer with a first portion of a RF coupling structure, a second layer with a second portion of the RF coupling structure, and a first insulation layer located between the first layer and the second layer. The RF coupling structure is configured to electromagnetically couple a first conductive trace on the first layer and a second conductive trace on the second layer at RF frequencies. The circuit board also includes a third layer with a first antenna element and a second insulation layer located between the third layer and the first layer, the second insulation layer including a first via through which the first antenna element is coupled to the first conductive trace.

Abstract: A dipole antenna is disclosed. The dipole antenna includes a first arm, a second arm, and a first conductive plate. The first conductive plate is placed inside one of the first arm or the second arm. The first conductive plate creates a cavity inside the one of the first arm or the second arm.

Abstract: An antenna may include a ground plane, a tuning stub, and a shorted spiral antenna element connected to the tuning stub. The shorted spiral antenna element may include a plurality of spiral traces shorted together by a shorting element extending radially outward to contact each of the spiral traces.

Abstract: The system and method for an additively manufactured radome for a cavity backed notch comprising at least one lattice structure wherein the antenna works over any 4:1 bandwidth, from VHF to mmW. In some cases, the radome lattice has a density that changes with distance from the antenna. In some cases multiple antennas are used for direction finding. The radome may be additively manufactured from glass-loaded polymer or other materials having a low dielectric constant. In some cases, the radome has a dielectric contract that approaches that of air.

Abstract: An antenna system includes a first substrate, a plurality of chips and a waveguide antenna element based beam forming phased array that includes a plurality of radiating waveguide antenna cells for millimeter wave communication. Each radiating waveguide antenna cell includes a plurality of pins where a first pin is connected with a body of a corresponding radiating waveguide antenna cell and the body corresponds to ground for the pins. The first pin includes a first and a second current path, the first current path being longer than the second current path. A first end of the radiating waveguide antenna cells is mounted on the first substrate, where the plurality of chips are electrically connected with the plurality of pins and the ground of each of the plurality of radiating waveguide antenna cells to control beamforming through a second end of the plurality of radiating waveguide antenna cells for the communication.

Abstract: A microstrip antenna is disclosed. The microstrip antenna includes a dielectric substrate with a first relative permittivity, a metal patch, and a magneto-dielectric superstrate. The metal patch is printed on the dielectric substrate, and the magneto-dielectric superstrate is placed above the metal patch.

Abstract: Examples reflectors for an antenna is provided. One example reflector comprises a support structure for supporting radiating elements and for providing mechanical stiffness of the reflector, and a separate conductive member acting as an electrically reflective surface attached to the support structure and covering at least a portion of the support structure.

Abstract: According to an aspect, there is provided an antenna arrangement. Said antenna arrangement comprises two or more feed antennas adapted to transmit and receive radio signals. The two or more feed antennas comprise at least a first feed antenna adapted to operate in a first frequency band and a second feed antenna adapted to operate in a second frequency band, where the first and second frequency bands being discontiguous with each other. Moreover, the antenna arrangement comprises an antenna radome arranged around the two or more feed antennas. Said antenna radome comprises a metallic section implementing an antenna reflector for the two or more feed antennas and a nonmetallic section penetrable by radio waves.

Abstract: The present invention provides a petal reflector antenna that comprises a main reflector having a paraboloid shape and a plurality of identical petals, a feed assembly that includes a horn, a wideband junction, a holder, and a hybrid coupler connected to a diplexer and a multiplexer. The petal reflector antenna further comprises a protective radome cover, a horn, a subreflector, and a support station member for quickly and conveniently set up over a desired ground location. The petal reflector antenna can operate simultaneously in the K, Ka, Ku receive, and Ku transmit frequency bands.

Abstract: Provided are examples of removable circularly polarized antenna fitment and methods of fabrication. In one aspect, a fitment comprises a plurality of conductive elements spaced radially around a central point contained with a housing. The elements may have an included angle of between 8 and 71 degrees from horizontal. The plurality of conducting elements may be straight, bent, or curved and may be comprised of between 3 and 12 conductors. The fitment may contain a housing which is removable from a linear antenna.

Abstract: A system and method provide simultaneous dual polarization operation using a linearly-polarized planar antenna and a polarizer spaced apart from the linearly-polarized planar antenna, the polarizer including a first polarization state having primarily one of left-hand circular polarization (LHCP) or right-hand circular polarization (RHCP), and a third polarization state having linear polarization from which a combination of both LHCP and RHCP is simultaneously derived. The polarizer is placed in the first polarization state to at least one of transmit or receive a signal having primarily one of LHCP or RHCP, and the polarizer is placed in the third polarization state to simultaneously transmit and/or receive two different signals, where a first signal of the two different signals has primarily LHCP and a second signal of the two different signals has primarily RHCP.

Abstract: A slot array antenna includes: first and second conductive members; and a ridge-shaped waveguide member on the second conductive member and conductive rods surrounding it. The waveguide member has a waveguide face which is opposed to a conductive surface of the first conductive member and which extends along a first direction. The first conductive member includes first and second slot groups each arranged along the first direction. The second conductive member has a throughhole which splits the waveguide member into first and second ridges. Some slots in the first and second slot groups are connected to a waveguide within the throughhole via a waveguide extending between the waveguide face of the first ridge and the conductive surface, and the remaining slots are connected to the waveguide within the throughhole via a waveguide extending between the waveguide face of the second ridge and the conductive surface.

Abstract: A unit cell of for a phased array antenna includes a base plate, a first dielectric layer projecting from the base plate, and a first conductive layer disposed on a side of the first dielectric layer, the first conductive layer includes a ground pillar, a first ground member spaced apart from a first edge of the ground pillar, and a first signal member disposed between the ground pillar and the first ground member, wherein: the first signal member is electrically insulated from the ground pillar and the first ground member, and an edge of the first signal member is configured to capacitively couple to the first edge of the ground pillar.

Abstract: An antenna structure includes a first conductive element including a first planar portion, and an extension portion that extends away from the first planar portion at a center of the first planar portion. The antenna structure may include a second conductive element spaced apart from the first planar portion and electrically connected to the extension portion.

Abstract: In one aspect, a unit cell of a phased array antenna includes a printed wiring board (PWB). The PWB includes a first layer comprising a radiator, a second layer comprising a feed circuit configured to provide excitation signals to the radiator, a plurality of vias connecting the feed circuit to the radiator, a signal layer, an active component layer comprising an active component bonded to the signal layer and a radio frequency (RF) connector connecting the signal layer to the feed circuit.

Abstract: An antenna module including two or more substrates stacked and having different flexibility, a patch antenna disposed above or within an uppermost substrate from among the two or more substrates, and an IC disposed below or within a lowermost substrate from among the two or more substrates, and electrically connected to the patch antenna through the substrates, wherein the two or more substrates comprise a first substrate and a second substrate, and wherein the second substrate is more flexible than the first substrate, and extends in a lateral direction to have an overlap region overlapping the first substrate and an extension region not overlapping the first substrate.

Abstract: A common antenna assembly and a common antenna structure are provided. The common antenna assembly includes a substrate, a plurality of patch antenna disposed on the substrate, a matching network disposed on the plurality of patch antennas, and a plurality of phase shifters electrically connected to the matching network. The substrate defines a first direction and a second direction that are perpendicular to each other. The patch antennas are defined into a plurality of antenna units. Each of the antenna units has four of the patch antennas. In each of the antenna units along the first direction, any one of the antenna units shares a longitudinal common antenna unit with each of the adjacent antenna units. In each of the antenna units along the second direction, any one of the antenna units shares a horizontal common antenna unit with each of the adjacent antenna units.