Patents Issued in November 2, 2017
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Publication number: 20170317381Abstract: A method for preparing a lithium ion conductive sulfide, which is capable of independently controlling the elemental ratio of lithium (Li), phosphorus (P), sulfur (S), etc, is provided. The method for preparing a lithium ion conductive sulfide can provide a lithium ion conductive sulfide having a crystal structure and an anion cluster distribution distinguished from those of existing ones.Type: ApplicationFiled: October 7, 2016Publication date: November 2, 2017Inventors: Hyoung Chul KIM, Hun Gi JUNG, Jong Ho LEE, Hae Weon LEE, Byung Kook KIM, Ji Won SON, Wo Dum JUNG
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Publication number: 20170317382Abstract: A solid-state lithium-ion battery may include an anode, a solid electrolyte layer of material, and a cathode. Each consist of the solid electrolyte material and are interspersed with a current collector material such that electrical conductivity is enabled between the anode and the cathode via the solid electrolyte layer to form a solid state lithium ion battery made from a single material in common to the anode, the solid electrolyte layer and the cathode. A method of manufacturing a solid-state lithium-ion battery includes cold pressing Li10GeP2S12/C anode composite layer, LGPS solid electrolyte layer, and Li10GeP2S12/C cathode composite layer to enable electrical conductivity between the anode and cathode composite layers via the LGPS solid electrolyte layer. The material may alternatively include Li3PS4, Li4GeS4, Li2S—SiS2, Li10SnP2S12, and LiVPO4F or other materials not specifically identified.Type: ApplicationFiled: May 1, 2017Publication date: November 2, 2017Inventors: Chunsheng Wang, Fudong Han
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Publication number: 20170317383Abstract: A lithium-ion secondary battery of the present invention includes a positive electrode, a negative electrode, a non-aqueous electrolytic solution, and a separator. The positive electrode includes, as a positive electrode active material, a lithium-containing oxide that contains at least one element selected from Co and Mn. The negative electrode includes, as a negative electrode active material, graphite having a d002 in X-ray diffraction of 0.338 nm or less and a carbonaceous material having a d002 in X-ray diffraction of 0.340 to 0.380 nm. The negative electrode active material contains the carbonaceous material in an amount of 5 to 15 mass %. The non-aqueous electrolytic solution contains LiBF4, a nitrile compound having one or more cyano groups, and LiPF6. The non-aqueous electrolytic solution contains the LiBF4 in an amount of 0.05 to 2.5 mass % and the nitrile compound in an amount of 0.05 to 5.0 mass %.Type: ApplicationFiled: October 23, 2015Publication date: November 2, 2017Applicant: HITACHI MAXELL, LTD.Inventors: Keisuke KAWABE, Hiroshi ABE, Daisuke GOTO, Takako SHIBA, Ryongtae HAN
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Publication number: 20170317384Abstract: An electrolyte for a non-aqueous electrolyte battery includes a non-aqueous organic solvent and at least lithium hexafluorophosphate as a solute, characterized by further including 10 to 1000 mass ppm of a phosphorus-containing acidic compound and 0.01 to 10.0 mass % of a difluorophosphate. The phosphorus-containing acidic compound is preferably at least one selected from the group consisting of HPF6, HPO2F2, H2PO3F and H3PO4. By the use of such an electrolyte, it is possible to provide the non-aqueous electrolyte lithium battery capable of maintaining high discharge capacity even after repeated charge/discharge cycles under a high temperature environment.Type: ApplicationFiled: September 17, 2015Publication date: November 2, 2017Inventors: Hitoshi OOMURO, Shoichi TSUJIOKA
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Publication number: 20170317385Abstract: One or more additives are selected from the group consisting of a) tertiary amines, b) amides, c) pyridine compounds, d) organophosphorus compounds, e) phosphonitrilic compounds, f) organoboron compounds, g) borate salts, h) anhydrides and i) nitrites are effective towards preventing color formation in electrolyte compositions for secondary Li ion batteries, which electrolyte compositions contain an organic solvent, one or more lithium salts and one or more cyclic sulfate additives. Advantageously, a combination of one or more compounds selected from the group consisting of a) tertiary amines, b) amides, c) pyridine compounds, d) organic phosphorus compounds and e) phosphonitrilic compounds is employed together with one or more compounds selected from the group consisting of f) organoboron compounds, g) borate salts, h) anhydrides and i) nitriles.Type: ApplicationFiled: December 17, 2014Publication date: November 2, 2017Applicant: BASF CORPORATIONInventors: Zhenghua Zhang, Xueshan Hu, Jianfei Zhang
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Publication number: 20170317386Abstract: A non-aqueous electrolytic solution comprising a non-aqueous solvent and an electrolyte, which further contains a combination of a nitrile compound and an S?O group-containing compound (or a dinitrile compound) in an amount of 0.001 to 10 wt. % imparts improved cycle performance and storage property to a lithium battery, particularly a lithium secondary battery.Type: ApplicationFiled: July 20, 2017Publication date: November 2, 2017Applicant: UBE INDUSTRIES, LTD.Inventors: Koji ABE, Takashi HATTORI, Yasuo MATSUMORI
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Publication number: 20170317387Abstract: Provided is a secondary battery which uses a heat generating reaction of the redox shuttle agent to achieve stopping a function of fee battery by blocking ion conduction and rapidly increasing an internal resistance by means of volatilized non-aqueous solvent when an abnormality such as overcharge occurs. A secondary battery 1 comprises a battery element comprising a positive electrode 11, a negative electrode 12, a separator 13, and an electrolytic solution, and a casing sealing the battery element. The electrolytic solution comprises a redox shuttle agent and an organic solvent having a boiling point of 125° C. or less. The separator 13 comprises aramid fiber assembly, aramid microporous structure, polyimide microporous structure or polyphenylenesulfide microporous structure, and polyphenylenesulfide, and has an average void size of 0.1 ?m or more.Type: ApplicationFiled: October 19, 2015Publication date: November 2, 2017Inventors: Kazuhiko INOUE, Kenichi SHIMURA, Noboru YOSHIDA
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Publication number: 20170317388Abstract: A surface-enabled, metal ion-exchanging battery device comprising a cathode, an anode, a porous separator, and a metal ion-containing electrolyte, wherein the metal ion is selected from aluminum (Al), gallium (Ga), indium (In), tin (Sn), lead (P), or bismuth (Bi), and at least one of the electrodes contains therein a metal ion source prior to the first charge or discharge cycle of the device and at least the cathode comprises a functional material or nano-structured material having a metal ion-capturing functional group or metal ion-storing surface in direct contact with the electrolyte. This energy storage device has a power density significantly higher than that of a lithium-ion battery and an energy density dramatically higher than that of a supercapacitor.Type: ApplicationFiled: July 12, 2017Publication date: November 2, 2017Applicant: Nanotek Instruments, Inc.Inventors: Aruna Zhamu, Bor Z. Jang
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Publication number: 20170317389Abstract: An electrode body includes: a positive electrode that includes a positive electrode active material layer; a negative electrode that includes a negative electrode active material layer; and a separator that electrically separates the positive electrode and the negative electrode from each other, in which the positive electrode active material layer and the separator contain N-methylpyrrolidone (NMP). A N-methylpyrrolidone (NMP) content in the positive electrode active material layer is 54 ppm to 602 ppm with respect to a total solid content of the positive electrode active material layer, and a N-methylpyrrolidone content (NMP) in the separator is 10 ppm to 26 ppm with respect to the total solid content of the positive electrode active material layer.Type: ApplicationFiled: October 26, 2015Publication date: November 2, 2017Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: TakumI TAMAKI, Satoru TAKEHARA
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Publication number: 20170317390Abstract: The present invention relates to a production method of an electrode for a secondary battery which has an electrode laminated assembly that has a configuration in which electrodes and a separator are laminated. An insulating member is formed on border portion (4) between an application portion and a non-application portion by attaching insulating solution (40a) which contains a solid insulating material to border portion (4) and then solidifying the insulating solution (40a).Type: ApplicationFiled: August 7, 2015Publication date: November 2, 2017Applicant: NEC ENERGY DEVICES, LTD.Inventor: Tetsuya SATO
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Publication number: 20170317391Abstract: The invention relates to a method for recovering lithium from lithium-sulfur accumulators, wherein the accumulators are discharged, shredded, and pre-cleaned by sieves or screens to separate housing and electricity collector parts, the remaining material is dispersed in an aqueous medium, the insoluble components are removed by filtration and the electrolyte by phase separation, followed by a method for separating the lithium from the remaining filtrate.Type: ApplicationFiled: November 2, 2015Publication date: November 2, 2017Inventors: Marc-Christian Müller, Sebastian Pietzner, Hannes Vitze, Vera Nickel, Martin Steinbild, Johannes Willems
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Publication number: 20170317392Abstract: An exemplary method includes circulating a fluid along a fluid circuit that extends through a heat exchanger and a battery pack, and, during the circulating, heating the fluid with a flow of exhaust gas and using the fluid to heat the battery pack. An exemplary vehicle system includes a battery pack, a heat exchanger, a fluid circuit configured to circulate a fluid between the battery pack and the heat exchanger, and a valve moveable back and forth between a heating position and a cooling position. The valve in the heating position permits more flow along an exhaust circuit to heat the fluid in the fluid circuit than the valve in the cooling position.Type: ApplicationFiled: April 27, 2016Publication date: November 2, 2017Inventors: Steven Michael Cyr, Ray C. Siciak, Allen Dennis Dobryden, Michael Reibling
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Publication number: 20170317393Abstract: A cooling system is provided for a traction battery of an electrified motor vehicle. That cooling system includes a cooling circuit, a refrigerant circuit, a plurality of flow control valves and a control system. That control system includes a controller configured to (a) control operation of the plurality of flow control valves, including a coolant proportional valve, and (b) prioritize cabin cooling over traction battery cooling.Type: ApplicationFiled: April 29, 2016Publication date: November 2, 2017Inventors: Timothy Noah Blatchley, Angel Fernando Porras
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Publication number: 20170317394Abstract: The invention relates to a heat exchanger for a battery, in particular for a hybrid drive, with connections for the inflow and outflow of a heat exchange medium and with a frame which is connected on both sides with film walls to form a pouch through which a flow can pass, wherein the frame comprises flow guiding elements The invention is characterised in that the frame comprises a separating plate with two parallel lateral surfaces, wherein the separating plate divides the pouch into a first chamber and a second chamber which are delimited in a fluid-tight manner by the lateral surfaces and the respective film walls, wherein in each of the lateral surfaces a channel field of parallel flow channels is formed, the inflow side of which is fluidically connected via a distributor channel and the outflow side of which is fluidically connected via a collecting channel to the respective connections.Type: ApplicationFiled: September 22, 2015Publication date: November 2, 2017Inventors: Frank Obrist, Martin Graz, Joachim Georg Roth, Peter Giese
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Publication number: 20170317395Abstract: An electromagnetic coupler includes a dielectric layer with a first transmission line connecting an input port to an output port. A second transmission line on another surface of the dielectric layer forms a coupled port and an isolation port. The electromagnetic coupler provides a coupled signal at the coupled port, which is representative of an input signal at the input port. The amplitude of the coupled signal is related to the amplitude of the input signal by a coupling factor. A tuning element on the dielectric layer is configured to stabilize the coupling factor over a range of variations in thickness of the dielectric layer.Type: ApplicationFiled: April 27, 2017Publication date: November 2, 2017Inventors: Nuttapong Srirattana, Sriram Srinivasan, Zhiyang Liu
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Publication number: 20170317396Abstract: An electromagnetic coupler includes a first transmission line connecting an input port to an output port. A second transmission line adjacent the first transmission line connects a coupled port and an isolation port. The electromagnetic coupler provides a coupled signal at the coupled port, which is representative of an input signal at the input port. The amplitude of the coupled signal is related to the amplitude of the input signal by a coupling factor. A tuning element is provided adjacent to the first or second transmission line and is coupled to an impedance. Varying impedance values cause an adjustment to the coupling factor and reactive impedance values provide frequency filtering effects.Type: ApplicationFiled: April 27, 2017Publication date: November 2, 2017Inventors: Nuttapong Srirattana, Sriram Srinivasan, Zhiyang Liu
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Publication number: 20170317397Abstract: An antenna system. The antenna system includes a central antenna, and a plurality of peripheral antennas positioned symmetrically around the central antenna. A first coupler provides a first radio connection and a second radio connection. A first 180 degree hybrid coupler is coupled to a first two diametrically opposed antennas of the plurality of peripheral antennas. A second 180 degree hybrid coupler is coupled to a second two diametrically opposed antennas of the plurality of peripheral antennas. A third 180 degree hybrid coupler coupled to the first and second 180 degree hybrid couplers, and having a third radio connection and a fourth radio connection. The first, second, third, and fourth radio connections are decoupled from each other, and the first, second, and third system radio connections are also decoupled from the central antenna.Type: ApplicationFiled: May 2, 2016Publication date: November 2, 2017Inventors: Antonio Faraone, Giorgi G. Bit-Babik
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Publication number: 20170317398Abstract: According to an aspect, an antenna mount includes a pole canister and an assembly. The assembly includes a first bracket coupled in a fixed position to the pole canister. The assembly also includes a second bracket coupled to the first bracket at a pivot. The assembly also includes a third bracket movably coupled to the second bracket. The assembly further includes a first cam adapted to pivot the second bracket about the pivot in relation to the first bracket along a horizontal axis. The assembly also includes a second cam adapted to slide the third bracket in relation to the second bracket.Type: ApplicationFiled: May 2, 2017Publication date: November 2, 2017Inventors: Hamid Moheb, Arpita Soni, Kyle Williamson
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Publication number: 20170317399Abstract: An electrically heatable antenna pane includes a transparent pane and an electrical heating layer extending over a portion of a pane surface. The pane serves at least section-wise as a planar antenna for receiving and/or transmitting electromagnetic waves. A first busbar and a second busbar electrically connectable to a voltage source and electrically conductingly connected to the heating layer are also described.Type: ApplicationFiled: December 2, 2015Publication date: November 2, 2017Inventors: Stefan DROSTE, Bernd STELLING, Guillaume FRANCOIS
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Publication number: 20170317400Abstract: One exemplary embodiment provides a node for use in a mesh network. The node includes a set of printed circuit boards and a radiating element coupled to a printed circuit board of the set of printed circuit boards. The radiating element is raised above the plane of the printed circuit board.Type: ApplicationFiled: April 24, 2017Publication date: November 2, 2017Inventor: Frantz Emmanuel ROBINSON
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Publication number: 20170317401Abstract: An antenna device includes a coil including first linear conductors on a first principal surface side of a multilayer body, second linear conductors on a second principal surface side, first end-surface conductors and second end-surface conductors disposed on end surfaces. Each of the first linear conductors includes a first main portion, a first end portion, and a second end portion. Each of the second linear conductors includes a second main portion, a third end portion, and a fourth end portion. The width of each of the first end-surface conductors is smaller than the width of the first main portion and the width of the second main portion. The width of each of the second end-surface conductors is smaller than the width of the first main portion and the width of the second main portion.Type: ApplicationFiled: July 18, 2017Publication date: November 2, 2017Inventor: Nobuyuki TENNO
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Publication number: 20170317402Abstract: Disclosed is a wideband patch antenna module where two feeding points are formed on a lower patch at a preset angle therebetween, whereby ultra-wideband characteristics receiving both a GPS signal and a GLONASS signal may be realized, and antenna size and manufacturing costs may be minimized. The wideband patch antenna module includes a base layer; a radiation patch provided on a top surface of the base layer; a lower patch provided at a bottom surface of the base layer; a first feeding point provided at a bottom surface of the lower patch; and a second feeding point provided at the bottom surface of the lower patch, wherein an imaginary line connecting the first feeding point and a center point of the lower patch intersects with an imaginary line connecting the second feeding point and the center point of the lower patch.Type: ApplicationFiled: December 10, 2014Publication date: November 2, 2017Inventors: Chul HWANG, In-Jo JEONG, Sang-O KIM, Ki-Hwan YOU, Dong-Hwan KOH
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Publication number: 20170317403Abstract: An antenna unit includes an antenna prepared by winding conducting wire around a magnetic body. The antenna unit also includes a metal housing to accommodate the antenna. The metal housing includes a first cut-out to allow a magnetic field generated by the antenna to pass through the metal housing.Type: ApplicationFiled: April 5, 2017Publication date: November 2, 2017Inventor: Naohiro ITOH
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Publication number: 20170317404Abstract: Provided is a touch screen and a terminal. The touch screen includes a touch layer, a conducting layer and a substrate layer which are laminated and matched in sequence, wherein an antenna radiating body, and an antenna signal line and a ground feeder line which are connected with the antenna radiating body are arranged on the conducting layer. The terminal includes the touch screen.Type: ApplicationFiled: June 3, 2015Publication date: November 2, 2017Inventor: Qun LI
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Publication number: 20170317405Abstract: There is disclosed a mobile terminal including a first case comprising a battery loading portion, a battery loaded in the battery loading portion, a second case coupled to the first case and configured to cover the battery, a coil antenna module arranged between the second case and the battery, and a controller electrically connected to the coil antenna module and configured to transmit and receive a signal or receive an electric power, wherein the coil antenna module includes an insulating sheet, a first coil arranged in a surface of the insulating sheet, a second coil arranged in the first coil, a third coil arranged in the second coil, and a magnetic sheet disposed on the surface of the insulating sheet, and ends of the first, second and third coils are arranged in the surface of the insulating sheet or dividedly arranged in both surfaces of the insulating sheet.Type: ApplicationFiled: July 13, 2017Publication date: November 2, 2017Applicant: LG ELECTRONICS INC.Inventors: Kiwon HAN, Youngtae KIM, Gwanghoon LEE
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Publication number: 20170317406Abstract: A wireless wearable device comprises a radiating system that contains at least a non-resonant element disposed in different arrangements within a radiating structure in the radiating system, featuring compact dimensions and an adequate performance when operating on a carrier living body.Type: ApplicationFiled: April 27, 2017Publication date: November 2, 2017Inventors: Jaume ANGUERA PROS, Aurora ANDUJAR LINARES
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Publication number: 20170317407Abstract: An antenna assembly generally includes an antenna module mountable to a vehicle body wall. The antenna base module may include a base, an inner (e.g., environmental protective cover, etc.) cover coupled to the base, at least one antenna element disposed within an enclosure defined by the inner cover and the base, and one or more latching members. An outer (e.g., cosmetic, styled, and/or aerodynamic, etc.) cover may include one or more snap clip members engageable with the one or more latching members when the outer cover is positioned over the inner cover. The snap clip members may include curved portions and flex points.Type: ApplicationFiled: May 18, 2016Publication date: November 2, 2017Inventors: Hasan Yasin, Hela Loudhaief
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Publication number: 20170317408Abstract: A roof module includes an antenna that is provided in a planar shape along a roof panel on a cabin inner side of the roof panel and transmits and receives electromagnetic waves. The roof panel is formed of a resin material in a planer shape and defines an exterior of a vehicle. The roof module also includes a metal panel that is formed of a metal material in a planar shape and provided along the antenna on the cabin inner side of the antenna. In this manner, the roof module can stabilize electromagnetic environments by the metal panel intentionally provided on the cabin inner side of the antenna in the vehicle the roof panel of which is formed of a non-metal material but a resin material.Type: ApplicationFiled: April 17, 2017Publication date: November 2, 2017Inventors: Ryo Hamada, Akira Norizuki, Kunihiko Yamada, Yoshikazu Nagashima, Goro Nakamura
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Publication number: 20170317409Abstract: An antenna device includes a flat base body and a flat conductive body which is disposed on the base body and which has a polygonal shape such that a lower side opposed to a ground is shorter than an upper side. The conductive body includes a feeding point on the lower side and a slit which comprises an open end on the lower side in a vicinity of the feeding point. The slit includes a first slit portion which extends from the open end, a second slit portion which extends from an end of the first slit portion such that the second slit portion is turned to a perpendicular direction with respect to the first slit portion, and a third slit portion which extends from an end of the second slit portion such that the third slit portion is turned to a perpendicular direction with respect to the second slit portion.Type: ApplicationFiled: April 26, 2017Publication date: November 2, 2017Applicant: MITSUMI ELECTRIC CO., LTD.Inventors: Mina AYATOLLAHI, Bruce FUESTER, Takeo WATANABE
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Publication number: 20170317410Abstract: A headlight socket with an antenna includes a base, cover, first antenna device and connection stand. The base includes a mounting portion. The cover is mounted on the base through the mounting portion and has a sidewall for annularly defining a receiving space. The first antenna device is received in the cover and includes a conductive end. The connection stand is coupled to the sidewall. The connection stand includes a connection port in contact and connection with the conductive end. The headlight socket is mounted on a vehicle. The first antenna device for receiving signals is disposed at the front of the vehicle, thereby enhancing the quality of signal reception. Conventional vehicular antennas are integrated into the headlight socket to manifest advantages of modularization so that an automobile assembly process is simplified, allowing internal circuits to be readily integrated.Type: ApplicationFiled: April 27, 2016Publication date: November 2, 2017Inventor: CHIH-YUAN HSUEH
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Publication number: 20170317411Abstract: An antenna device and an antenna module having the antenna device are provided and adapted to receive and transmit signals. The antenna device includes a first medium layer, a conductive ground hole, a first antenna circuit, a second antenna circuit and first conductive hole. The conductive ground hole penetrates the first medium layer. The first antenna circuit is disposed on a first surface of the first medium layer to surround the conductive ground hole. The second antenna circuit is disposed on a second surface of the first medium layer which is positioned distal to the first antenna circuit to surround the conductive ground hole. The first conductive hole penetrates the first medium layer. The first conductive hole has one end electrically connected to a second end of the first antenna circuit. The first conductive hole has the other end electrically connected to a first end of the second antenna circuit.Type: ApplicationFiled: April 27, 2016Publication date: November 2, 2017Inventor: Yen Ching Lee
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Publication number: 20170317412Abstract: A dual band printed antenna that includes a substrate including a first and a second surfaces opposite to each other and conductive holes, a first and a second drivers, a first and a second reflectors and a transmission line is provided. The first driver is disposed on the first surface to generate a radiation pattern of a first frequency band. The first reflector is disposed on the first surface and apart from the first driver. The second driver is disposed on the second surface to generate a radiation pattern of a second frequency band and electrically coupled to the first driver through the conductive holes. The reflector is disposed on the second surface, corresponding to a position of the first driver and apart from the second driver. The transmission line is disposed on the first surface and coupled to a feeding point and a ground point of the first driver.Type: ApplicationFiled: January 20, 2017Publication date: November 2, 2017Inventors: Chien-Yi WU, Shih-Keng HUANG, Chao-Hsu WU, Ya-Jyun LI, Chia-Chi CHANG
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Publication number: 20170317413Abstract: Various arrangements for protecting a low-power sensor from electromagnetic interference are presented. A device may have an antenna that is used to transmit a radio signal and have an on-board low-power sensor. A tuned grounding arm may be capacitively coupled with a ground plane of the antenna. The tuned grounding arm can provide a lower energy return path to a feed point of the antenna than through circuitry of the low-power sensor, thus decreasing near-field interference on the low-power sensor.Type: ApplicationFiled: April 27, 2016Publication date: November 2, 2017Inventors: Vincent Mei, Raemond Bergstrom-Wood
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Publication number: 20170317414Abstract: Disclosed are devices configurable with, for example, the location and motion of satellites can be configured to drive actuators connected to the motion of a steerable device. A steerable device may be augmented, for example, with gears or drivers to drive orientation, sensors to report current position and a mechanism to lock the device in place for the duration of the steering process such that power gears from the device mesh and can drive gears in the steerable device. Signals from the device intelligently guide the actuators to steer the orientation of the steerable device towards a satellite selected by a person or algorithm. Upon completion of the steering of steerable device by the device, the device can be detached, leaving the steerable device locked in place and fully functional as a steerable device, while also leaving the device capable if engaging with another similarly steerable device.Type: ApplicationFiled: July 19, 2017Publication date: November 2, 2017Inventor: Christopher M. ANDERSON
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Publication number: 20170317415Abstract: A transmit antenna system configured to steer an electromagnetic beam includes an antenna and an electronic steering module. The antenna includes a first electric antenna element oriented parallel to a first plane, a second electric antenna element oriented orthogonally to the first electric antenna element and parallel to the first plane, and a first magnetic antenna element oriented orthogonally to the first electric antenna element and the second electric antenna element. The electronic steering module is in electrical communication with each of the first electric antenna element, the second electric antenna element, and the first magnetic antenna element. The electronic steering module includes at least one amplifier configured to control the amplitude of a current to each of the first electric antenna element, the second electric antenna element, and the first magnetic antenna element.Type: ApplicationFiled: November 5, 2015Publication date: November 2, 2017Applicant: Massachusetts Institute of TechnologyInventor: Robert Galejs
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Publication number: 20170317416Abstract: An example method of designing a multi-band antenna includes specifying a first portion of the multi-band antenna in a tangible medium, where the first portion corresponds to an existing design of a single-band monopole antenna for operating in a first frequency band, and specifying in the tangible medium a second portion of the multi-band antenna that is added to the first portion, where the second portion includes a dipole parasitic resonator that is resonant in a second frequency band.Type: ApplicationFiled: April 29, 2016Publication date: November 2, 2017Inventors: James W. Jervis, Fanfan He
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Publication number: 20170317417Abstract: A dual-band antenna array may be provided. The dual-band antenna array may comprise a trace split, a first frequency branch, and a second frequency branch. The trace split may feed the first frequency branch and the second frequency branch. The first frequency branch may comprise a first frequency branch geometry that may cause a majority of a current of a signal fed into the trace split to feed the second frequency branch when the signal comprises a second frequency. The second frequency branch may comprise a second frequency branch geometry that may cause the majority of the current of the signal fed into the trace split to feed the first frequency branch when the signal comprises a first frequency.Type: ApplicationFiled: April 27, 2016Publication date: November 2, 2017Inventors: Erin Patrick McGough, Stephen V. Saliga, Thomas G. Lutman, Edward C. Kuhar
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Publication number: 20170317418Abstract: Package structures are provided having antenna-in-packages that are integrated with semiconductor RFIC (radio frequency integrated circuit) chips to form compact integrated radio/wireless communications systems that operate in the millimeter wave (mmWave) frequency range with radiation in broadside and end-fire directions.Type: ApplicationFiled: July 12, 2017Publication date: November 2, 2017Inventors: Alberto V. Garcia, Xiaoxiong Gu, Duixian Liu
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Publication number: 20170317419Abstract: A dual-band antenna includes a substrate, a first antenna assembly, an isolation metal sheet, and a second antenna assembly. The first antenna assembly includes a first and a second planar inverted-F antennas, which are symmetric with each other and disposed on the first side of the substrate. The first planar inverted-F antenna includes a first radiation portion and a first ground portion. The second planar inverted-F antenna includes a second radiation portion and a second ground portion. The isolation metal sheet is coupled between the first ground portion and the second ground portion. The second antenna assembly includes a third and a fourth antennas, which are coupled to the first and the second ground portions, respectively, and are symmetric with each other and are disposed on the second side of the substrate. The first and the second antenna assemblies are operated at a first and a second frequencies, respectively.Type: ApplicationFiled: February 15, 2017Publication date: November 2, 2017Inventors: Min-Chi Wu, Kuo-Chang Lo
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Publication number: 20170317420Abstract: A dipole antenna array element using crossed dipoles is provided. The arms of the crossed dipoles are spaced apart from a ground plane. The length of the arms of the crossed dipoles, as well as the height of the array element, is dependent on the lowest wavelength of signal for which the element is to be used with. To adjust the impedance of the antenna array element, a strip of conductive material is used to enclose an area about the arms of the dipoles. A patch component can also be used with the arms being between the patch component and the ground plane.Type: ApplicationFiled: April 27, 2017Publication date: November 2, 2017Inventors: Sadegh FARZANEH, Jacob VAN BEEK, Minya GAVRILOVIC, Nasrin HOJJAT
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Publication number: 20170317421Abstract: An antenna assembly for use in a tile architecture antenna system. The antenna assembly comprises: i) a first substrate layer having a first surface and a second surface; ii) a plurality of electromagnetic band gap (EBG) patches disposed on a first surface of the first substrate layer; iii) a second substrate layer having a first surface and a second surface, wherein the second surface of the second substrate layer is disposed on the first surface of the first substrate layer and on the plurality of EBG patches; iv) an antenna disposed on the first surface of the second substrate layer; and v) a transceiver circuit disposed proximate the second surface of the first substrate layer, wherein the transceiver circuit provides an output signal to be transmitted by the antenna.Type: ApplicationFiled: April 29, 2016Publication date: November 2, 2017Applicant: L-3 Communications CorporationInventors: Maurio Batista GRANDO, Heath KEENE
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Publication number: 20170317422Abstract: An antenna assembly for use in a tile architecture antenna system. The antenna assembly comprises: i) a first substrate layer having a first surface; ii) a first antenna disposed in an X-Y plane on the first surface of the first substrate layer; iii) a second substrate layer having a first surface, the second substrate layer displaced in the Z-direction with respect to the X-Y plane on the first surface of the first substrate layer; and iv) a first tuning balun disposed on the first surface of the second substrate layer and coupled to the first antenna by means of a first feed via. The antenna assembly further comprises a first transmission line disposed on the first surface of the second substrate layer. The first transmission line is coupled to the first antenna by means of a second feed via.Type: ApplicationFiled: April 29, 2016Publication date: November 2, 2017Applicant: L-3 Communications CorporationInventors: Maurio Batista GRANDO, George Zohn HUTCHESON
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Publication number: 20170317423Abstract: The invention relates to a multifilar helix antenna (1) comprising a wave feed and polarizing section (2) comprising a cover portion (3) comprising a through opening (4). The antenna (1) comprises a helix radiator (5) comprising three or more resonant helical elements (6) evenly distributed about an imaginary circle. Each helical element (6) extends in a longitudinal direction (Z) from the feed and polarizing section (2) through the opening (4) in the cover portion (3) and wound to form the helix radiator (5). Each helical element (6) comprises one or a plurality of wave perturbations (7) separated in the longitudinal direction (Z) and that each set of perturbations are positioned at the same level in the longitudinal direction (Z) to yield an equivalent array of stacked helical radiators, wherein the cover portion (3) comprises a rotationally symmetric corrugated assembly (8).Type: ApplicationFiled: October 20, 2014Publication date: November 2, 2017Inventors: Mikael OHGREN, Joakim JOHANSSON, Patrik DIMMING
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Publication number: 20170317424Abstract: A structure of absorbing multi-band electromagnetic waves, having an effective function of absorbing electromagnetic waves while maintaining a precise alignment of two or more films includes a first dielectric portion, a first resistive pattern portion, a second dielectric portion, and a second resistive pattern portion. An apparatus and method for freely controlling an electromagnetic wave absorbance area, which has an effect of efficiently absorbing or reducing electromagnetic waves of various frequency bands, thereby leading to ease in maintenance and repair.Type: ApplicationFiled: August 22, 2016Publication date: November 2, 2017Inventors: Dong Uk SIM, Sang Il KWAK, Jong Hwa KWON
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Publication number: 20170317425Abstract: An antenna device includes a power supply coil coupled to a first power supply circuit operating in a first frequency band, a first conductive member including a first main surface, a second conductive member including a second main surface, a third conductive member, and first connections. The second main surface of the second conductive member is disposed with at least a portion thereof opposing the first main surface. The third conductive member has an area that is smaller than an area of the first conductive member when viewed in a direction perpendicular or substantially perpendicular to the first main surface. The first conductive member, the third conductive member, and the first connections define a loop of a magnetic field antenna in the first frequency band. The power supply coil is closer to the third conductive member than to the first conductive member when viewed in the Z-direction.Type: ApplicationFiled: July 18, 2017Publication date: November 2, 2017Inventor: Hiromitsu ITO
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Publication number: 20170317426Abstract: A multi-beam antenna array system according to an exemplary embodiment of the present disclosure includes: a grounding surface; a plurality of multi-beam antennas which each includes a dielectric substrate and a radiating part formed on the dielectric substrate so as to radiate electromagnetic waves, and is disposed above the grounding surface so as to be spaced apart from each other; and a feed circuit which is formed on a lower portion of the grounding surface, and supplies electric power to the plurality of multi-beam antennas so that the electromagnetic waves are radiated in different directions from the plurality of multi-beam antennas.Type: ApplicationFiled: April 25, 2017Publication date: November 2, 2017Applicant: AJOU UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATIONInventors: Ikmo PARK, Tran Huy HUNG
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Publication number: 20170317427Abstract: A slot array antenna includes: an electrically conductive member having an electrically conductive surface and slots therein, the slots being arrayed in a first direction which extends along the conductive surface; a waveguide member having an electrically conductive waveguide face which opposes the slots and extends along the first direction; and an artificial magnetic conductor extending on both sides of the waveguide member. At least one of the conductive member and the waveguide member includes dents on the conductive surface and/or the waveguide face, the dents each serving to broaden a spacing between the conductive surface and the waveguide face relative to any adjacent site. The dents include a first, second, and third dents which are adjacent to one another and consecutively follow along the first direction. A distance between centers of the first and second dents is different from a distance between centers of the second and third dents.Type: ApplicationFiled: July 13, 2017Publication date: November 2, 2017Inventors: Hideki KIRINO, Hiroyuki KAMO
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Publication number: 20170317428Abstract: Disclosed are exemplary embodiments of multiband WiFi directional antennas. In an exemplary embodiment, an antenna generally includes a base plate, a plurality of vertically polarized antenna element modules on the base plate, and a plurality of horizontally polarized antenna element modules on the base plate. Each antenna element module includes a radiating element and a ground plane/reflector. The antenna may be operable within at least a first WiFi frequency range and a second WiFi frequency range different than the first WiFi frequency range.Type: ApplicationFiled: April 29, 2016Publication date: November 2, 2017Inventor: Athanasios Petropoulos
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Publication number: 20170317429Abstract: An electrical connector assembly includes a first electrically conductive contact member and a second electrically conductive contact member. Both contact members have non-planar interface surfaces. The second interface surface is complimentary to the first interface surface. The first interface surface may include a plurality of elongated first ridges and a plurality of elongated first valleys, and the second interface surface may include a plurality of elongated second ridges and a plurality of elongated second valleys. A first ridge is received by a second valley and a second ridge is received by a first valley.Type: ApplicationFiled: April 29, 2016Publication date: November 2, 2017Inventors: Thomas Roan, Brij N. Singh, Andrew D. Wieland
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Publication number: 20170317430Abstract: A terminal includes a sheath crimping portion having a bottom plate and a pair of sheath crimp tabs standing upright from two side portions of the bottom plate, the sheath crimping portion being crimped to an end portion of a sheath of a wire; and a core wire connection portion continuous with an end portion of the sheath crimping portion and connected to an exposed core wire of the wire. The sheath crimping portion includes a first crimped portion where a terminal edge portion on a side of the sheath crimping portion from which the sheath extends is crimped to the sheath, and a second crimped portion which is crimped to the sheath at a position closer to the exposed core wire than the first crimped portion. The second crimped portion is crimped to the sheath at a higher compression than the first crimped portion.Type: ApplicationFiled: April 18, 2017Publication date: November 2, 2017Applicant: SUMITOMO WIRING SYSTEMS, LTD.Inventors: Masayuki KAWAMURA, Naoyuki UEDA