Impedance Matching Network Patents (Class 343/860)
  • Patent number: 11881647
    Abstract: The disclosure relates to an apparatus for connecting modules included in an electronic device, and the apparatus may comprise: a power source between a first module of an electronic device and a second module of the electronic device; at least one line unit including lines for transferring a control signal, an intermediate (IF) signal, or a radio frequency (RF) signal; a first connector unit for connecting at least one of the lines to the first module; a second connector unit for connecting at least one of the lines to the second module; and a connection unit for connecting at least one external apparatus and at least one line for transferring the IF signal or the RF signal from among the lines.
    Type: Grant
    Filed: June 11, 2019
    Date of Patent: January 23, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jaegon Ghim, Jeongho Kang, Youngmin Lee, Yunbum Lee, Seongbeom Hong
  • Patent number: 11856667
    Abstract: A self-regulating power supply (601, 901) for a led light source comprises a drive power input (602, 603) and a lighting output (604, 605, 904, 905), and therebetween a converter (606, 906) for generating a supply voltage and a supply current from drive power. In addition, it comprises voltage regulating means (607, 907), current regulating means (608, 908), and a control unit (609, 909) which controls said voltage and current regulating means (607, 608, 907, 908). The control unit (609, 909) is arranged to change (701, 802) the supply voltage in a controlled manner to detect where an operating voltage range of the led light source lies, and to measure (703, 803, 806) a value of the supply current in the operating voltage range. It deduces (702, 704) a nominal maximum value of the supply current at least partly on the basis of the measurement of the value of the supply current, and sets (705) the deduced nominal maximum value of the supply current as a target value of the supply current.
    Type: Grant
    Filed: March 17, 2022
    Date of Patent: December 26, 2023
    Assignee: TEKNOWARE OY
    Inventor: Matti Alava
  • Patent number: 11830831
    Abstract: Integration of a side-radiating waveguide launcher system into a semiconductor package beneficially permits the coupling of a waveguide directly to the semiconductor package. Included are a first conductive member and a second conductive member separated by a dielectric material. Also included is a conductive structure, such as a plurality of vias, that conductively couples the first conductive member and the second conductive member. Together, the first conductive member, the second conductive member, and the conductive structure form an electrically conductive side-radiating waveguide launcher enclosing shaped space within the dielectric material. The shaped space includes a narrow first end and a wide second end. An RF excitation element is disposed proximate the first end and a waveguide may be operably coupled proximate the second end of the shaped space.
    Type: Grant
    Filed: September 23, 2016
    Date of Patent: November 28, 2023
    Assignee: Intel Corporation
    Inventors: Georgios Dogiamis, Sasha Oster, Johanna Swan, Shawna Liff, Adel Elsherbini, Telesphor Kamgaing, Aleksandar Aleksov
  • Patent number: 11750239
    Abstract: A front end module includes a first radio frequency (RF) terminal, a second RF terminal, a third RF terminal, a transmission path and a reception path. The transmission path is formed between the first RF terminal and the third RF terminal. The reception path is formed between the first RF terminal and the second RF terminal. The reception path includes a first set of switches, a second set of switches, a third set of switches and an amplifier. An amplifier is coupled to the second set of switches and the second RF terminal. The third set of switches is coupled to the first set of switches and the second RF terminal. When a transmission signal is transmitted to the first RF terminal via the transmission path, the first set of switches, the second set of switches and the third set of switches are turned off.
    Type: Grant
    Filed: December 20, 2021
    Date of Patent: September 5, 2023
    Assignee: RichWave Technology Corp.
    Inventors: Chia-Wei Hsu, Chih-Sheng Chen, Yu-Hsuan Chao
  • Patent number: 11716110
    Abstract: Technologies for provided for a radio frequency input/output (RFIO) combiner/splitter. An example combiner/splitter can include an RFIO circuit including a receive path including first and second low noise amplifiers (LNAs), first switches, resistors, and capacitors, each of the first switches being in series with a respective one of the first capacitors and first resistors; a transmit path including a first power amplifier (PA) including second switches coupled to second resistors and third switches coupled to third resistors, and a second PA including fourth switches coupled to fourth resistors and fifth switches coupled to fifth resistors, each of the second switches, the third switches, the fourth switches, and the fifth switches being in series with one or more respective ones of the second resistors, the third resistors, the fourth resistors, and the fifth resistors; and a balun that couples the Rx and Tx path to an RFIO terminal.
    Type: Grant
    Filed: March 24, 2022
    Date of Patent: August 1, 2023
    Assignee: Space Exploration Technologies Corp.
    Inventors: Amir Agah, Eric Pepin, Kim W. Schulze
  • Patent number: 11704996
    Abstract: Impedance matching in tunable circuits promotes consistent, high-efficiency wireless communication signal despite changing environmental conditions.
    Type: Grant
    Filed: April 22, 2021
    Date of Patent: July 18, 2023
    Assignee: Medtronic, Inc.
    Inventors: Ashutosh Mehra, Trevor D. Webster
  • Patent number: 11695211
    Abstract: An antenna module of a wireless communication system is provided. The antenna module includes a radiator comprising a top face to which a radio wave is radiated, a dielectric material disposed on a bottom face of the radiator, the bottom face of the radiator being opposite to the top face of the radiator, a feeding unit disposed on a bottom face of the dielectric material, the feeding unit being configured to supply an electric signal to the radiator through the dielectric material, and a support unit disposed on the bottom face of the dielectric material, the support unit comprising a metallic material.
    Type: Grant
    Filed: May 10, 2021
    Date of Patent: July 4, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yoongeon Kim, Seungtae Ko, Hyunjin Kim, Jungmin Park, Junsig Kum, Youngju Lee
  • Patent number: 11658382
    Abstract: Embodiments of the present invention provides an antenna and an antenna system. The antenna includes a body member, a head member integrally connected to a first edge of the body member, wherein the head member forms a fold having a first angle towards the front face of the body member, and a first arm member and a second arm member, wherein the first arm member and the second arm member are integrally connected to the body member corresponding to the second edge and the third edge of the body member, and wherein the set of arm members each form a fold having a second angle towards the front face of the body member.
    Type: Grant
    Filed: March 21, 2022
    Date of Patent: May 23, 2023
    Assignee: Parsec Technologies, Inc.
    Inventors: Michael A. Neenan, Richard Loy Smith, Jr., George Alexander Bednekoff
  • Patent number: 11647588
    Abstract: A circuit substrate (3) is provided with first and second rigid parts (11, 12) having six metal foil layers, and a thin flexible part (13) having two metal foil layers connecting the two rigid parts. A ground wiring (51) which is shaped like a wide strip is formed on the surface metal foil layer, and a plurality of inter-rigid-part wirings (55) are formed on the inner metal foil layer in parallel lines. Outer edges (51a) of the ground wiring (51) are positioned closer to side edges (13a) of the flexible part (13) than to the inter-rigid-part wirings (55). The ground wiring (51) protects the inter-rigid-part wirings (55) from cracks.
    Type: Grant
    Filed: July 1, 2020
    Date of Patent: May 9, 2023
    Assignee: HITACHI ASTEMO, LTD.
    Inventors: Hideyuki Hara, Takuro Kanazawa, Narutoshi Yamada
  • Patent number: 11631938
    Abstract: Systems and methods for operating an antenna assembly. The methods comprise: receiving a first command for tuning the antenna assembly to a first frequency selected from a plurality of different frequencies to which a strip antenna of the antenna assembly is tunable; selectively connecting ground to the strip antenna at a first location along an elongated length of the strip antenna; and connecting a transceiver to the strip antenna at a second location along the elongated length of the strip antenna using a first tank circuit of a plurality of tank circuits provided with the antenna assembly. The tank circuits are respectively associated with the different frequencies to which the strip antenna is tunable. The first tank circuit is associated with the first frequency to which the strip antenna is to be tuned.
    Type: Grant
    Filed: October 13, 2020
    Date of Patent: April 18, 2023
    Assignee: Eagle Technology, LLC
    Inventor: Uma S. Jha
  • Patent number: 11626892
    Abstract: A multi-band radio frequency (RF) front-end circuit is provided. The multi-band RF front-circuit includes multiple RF circuits configured to amplify RF signals received and/or to be transmitted in multiple RF bands and/or polarizations via an antenna circuit. The antenna circuit includes multiple antenna tap points each coupled to a respective one of the RF circuits. Since each of the RF circuits has a respective impedance that can vary based on the RF bands, the antenna tap points are so positioned on the antenna circuit to each present a respective drive impedance that matches the respective impedance of a coupled RF circuit. Further, the antenna tap points are also positioned on the antenna circuit to cause desired RF isolations between the RF bands and/or the polarizations. Consequently, the multi-band RF front-end circuit can achieve optimal RF performance across a wide range of RF bands with reduced footprint and insertion losses.
    Type: Grant
    Filed: February 7, 2022
    Date of Patent: April 11, 2023
    Assignee: Qorvo US, Inc.
    Inventors: George Maxim, Baker Scott, Ali Tombak
  • Patent number: 11482772
    Abstract: A wireless device comprises a radiating system that comprises: an antenna system, a ground plane, and a matching network. The antenna system comprises an antenna component including a first multi-section antenna component comprising two sections, each comprising a conductive element. The matching network connected to the antenna system for impedance matching to a first frequency range. The radiating system operates in a frequency range of operation including the first frequency range, the first frequency range comprising a first highest frequency and a first lowest frequency. The first antenna component has a maximum size larger than 1/30 times and smaller than ? times a free-space wavelength corresponding to the lowest frequency of operation. The conductive elements in the different sections of the first antenna component are spaced apart from each other.
    Type: Grant
    Filed: December 31, 2019
    Date of Patent: October 25, 2022
    Assignee: Ignion, S.L.
    Inventors: Jaume Anguera, Aurora Andujar, Carles Puente, Rosa E. Mateos Navarro
  • Patent number: 11476563
    Abstract: An under-roof antenna module for a vehicle includes a metallic frame with at least one perforation, and at least one transceiver. The at least one transceiver is arranged at portions of the frame proximal to the at least one perforation.
    Type: Grant
    Filed: June 28, 2019
    Date of Patent: October 18, 2022
    Assignee: ADVANCED AUTOMOTIVE ANTENNAS, S.L.U.
    Inventor: Enrique Martinez Ortigosa
  • Patent number: 11469502
    Abstract: An ultra-wideband mobile mount antenna with a capacitive ground structure-based matching structure. The antenna has a return loss better than 10 dB over an operating frequency range of 250 MHz to 1220 MHz.
    Type: Grant
    Filed: June 25, 2019
    Date of Patent: October 11, 2022
    Assignee: VIAVI SOLUTIONS INC.
    Inventors: Dexin Sun, Raleigh B. Stelle, IV
  • Patent number: 11444652
    Abstract: Various embodiments disclosed herein enable steerable, time division duplex (“TDD”) communications channels at millimeter-wave frequency bands. Among other things, embodiments disclosed herein provide improved steering accuracy and power distribution, lower power consumption, and potentially longer service life than previous transceiver systems.
    Type: Grant
    Filed: May 22, 2019
    Date of Patent: September 13, 2022
    Assignee: Starry, Inc.
    Inventors: Joseph A. Kaiser, Jr., Joseph T. Lipowski
  • Patent number: 11271314
    Abstract: An antenna device includes first and second radiating elements, and an antenna coupling element. The antenna coupling element includes a primary coil electrically connected between the first radiating element and a feed circuit and a secondary coil inductively coupled to the primary coil and electrically connected between the second radiating element and a ground. A capacitor is provided between the primary coil and the secondary coil, thus causing current to flow from the primary coil to the secondary coil or the second radiating element via the capacitor even at an anti-resonant frequency of the first radiating element.
    Type: Grant
    Filed: January 16, 2020
    Date of Patent: March 8, 2022
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventor: Kenichi Ishizuka
  • Patent number: 11264717
    Abstract: A dual-band antenna, a wireless local area network (WLAN) device, and a method for manufacturing a dual-band antenna, where the dual-band antenna includes a conductive plane, a smooth curved-surface assembly joined onto the conductive plane, and a feed pin connected to the smooth curved-surface assembly. The conductive plane is configured to function as a first antenna, for receiving and sending a radio frequency signal of a first frequency band, and the smooth curved-surface assembly is configured to function as a second antenna, for receiving and sending a radio frequency signal of a second frequency band. Hence, a curved surface of a surface of the curved-surface assembly that is used as the second antenna transits smoothly. Therefore, a current is distributed relatively evenly, and radiation efficiency is relatively high.
    Type: Grant
    Filed: June 12, 2018
    Date of Patent: March 1, 2022
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Xiao Zhou, Bo Yuan, Xingfeng Jiang, Kun Zhang
  • Patent number: 11223134
    Abstract: An antenna module of a wireless communication system is provided. The antenna module includes a radiator comprising a top face to which a radio wave is radiated, a dielectric material disposed on a bottom face of the radiator, the bottom face of the radiator being opposite to the top face of the radiator, a feeding unit disposed on a bottom face of the dielectric material, the feeding unit being configured to supply an electric signal to the radiator through the dielectric material, and a support unit disposed on the bottom face of the dielectric material, the support unit comprising a metallic material.
    Type: Grant
    Filed: October 5, 2020
    Date of Patent: January 11, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yoongeon Kim, Seungtae Ko, Hyunjin Kim, Jungmin Park, Junsig Kum, Youngju Lee
  • Patent number: 11223135
    Abstract: An antenna module of a wireless communication system is provided. The antenna module includes a radiator comprising a top face to which a radio wave is radiated, a dielectric material disposed on a bottom face of the radiator, the bottom face of the radiator being opposite to the top face of the radiator, a feeding unit disposed on a bottom face of the dielectric material, the feeding unit being configured to supply an electric signal to the radiator through the dielectric material, and a support unit disposed on the bottom face of the dielectric material, the support unit comprising a metallic material.
    Type: Grant
    Filed: October 5, 2020
    Date of Patent: January 11, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yoongeon Kim, Seungtae Ko, Hyunjin Kim, Jungmin Park, Junsig Kum, Youngju Lee
  • Patent number: 11063364
    Abstract: An antenna module of a wireless communication system is provided. The antenna module includes a radiator comprising a top face to which a radio wave is radiated, a dielectric material disposed on a bottom face of the radiator, the bottom face of the radiator being opposite to the top face of the radiator, a feeding unit disposed on a bottom face of the dielectric material, the feeding unit being configured to supply an electric signal to the radiator through the dielectric material, and a support unit disposed on the bottom face of the dielectric material, the support unit comprising a metallic material.
    Type: Grant
    Filed: October 5, 2020
    Date of Patent: July 13, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yoongeon Kim, Seungtae Ko, Hyunjin Kim, Jungmin Park, Junsig Kum, Youngju Lee
  • Patent number: 11005183
    Abstract: An antenna module of a wireless communication system is provided. The antenna module includes a radiator comprising a top face to which a radio wave is radiated, a dielectric material disposed on a bottom face of the radiator, the bottom face of the radiator being opposite to the top face of the radiator, a feeding unit disposed on a bottom face of the dielectric material, the feeding unit being configured to supply an electric signal to the radiator through the dielectric material, and a support unit disposed on the bottom face of the dielectric material, the support unit comprising a metallic material.
    Type: Grant
    Filed: October 5, 2020
    Date of Patent: May 11, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yoongeon Kim, Seungtae Ko, Hyunjin Kim, Jungmin Park, Junsig Kum, Youngju Lee
  • Patent number: 10998618
    Abstract: Coaxial helix antennas in accordance with embodiments of the invention are disclosed. In one embodiment, a coaxial helix antenna includes an inner element having an inner element radius and an inner element length and an outer element having an outer element radius and an outer element length, wherein the outer element radius is greater than the inner element radius, wherein the inner element is driven by a first conductor, wherein the outer element is driven by a second conductor, and wherein the outer element is disposed outside of the inner element such that a portion of the inner element extends beyond the outer element and includes an inner radiating element.
    Type: Grant
    Filed: October 28, 2019
    Date of Patent: May 4, 2021
    Assignee: CalAmp Wireless Networks Corporation
    Inventor: Orest Fedan
  • Patent number: 10977884
    Abstract: A method and apparatus includes a processor that receives information corresponding to a first signal strength of a communication link between a remote device and a communication gateway of a vehicle. The information corresponding to the first signal strength is associated with a first antenna of a sensor and the first antenna includes a first peak main lobe magnitude oriented in a first direction. The processor also receives information corresponding to a second signal strength of the communication link. The information corresponding to the second signal strength is associated with a second antenna. The second antenna includes a second peak main lobe magnitude oriented in a second direction. The processor executes a first boundary line determination that includes determining whether the remote device is located on a first side of a boundary line based on the first signal strength and the second signal strength.
    Type: Grant
    Filed: June 28, 2019
    Date of Patent: April 13, 2021
    Assignees: DENSO International America, Inc., DENSO CORPORATION
    Inventors: Kyle Golsch, Raymond Michael Stitt, Eric Smith
  • Patent number: 10916161
    Abstract: The present invention comprises a plug-bolt set with a circuit board and a detection antenna on a bolt-piece and a lock-seat set with a main antenna. The circuit board is set with a chip, a main circuit, and a secondary circuit. When the lock-seat and the bolt-piece are engaged and locked; the chip, the main circuit, and the main antenna are electrically connected to emit a first signal for providing the identification host to monitor, and controlling the secondary circuit to be electrically connected with the chip and the detection antenna to emit a second signal. The second signal can be used for the mobile phone software to do the quality control of the first signal. The first and second signals can be cut-off simultaneously when the plug-bolt is broken. This allows the end customer to do the actual test and quality control using the mobile phone.
    Type: Grant
    Filed: August 25, 2019
    Date of Patent: February 9, 2021
    Inventor: Chih-Chuan Chen
  • Patent number: 10878306
    Abstract: An antenna for a Radio Frequency Identification (RFID) transponder, including: an inductive loop with terminals for connection with an RFID chip; and an electromagnetically resonant structure positioned in a same plane as the inductive loop; wherein a resonant frequency of the resonant structure corresponds to a designed operating frequency in a frequency band of the RFID transponder; and wherein the electromagnetically resonant structure is electrically and physically separated from the inductive loop and capacitively coupled to the inductive loop; and the electromagnetically resonant structure includes one or more electrical discontinuities within the electromagnetically resonant structure; wherein the antenna is adapted and configured to have a non-omni directional radiation pattern and with an input impedance substantially conjugate matches an input impedance of the RFID chip at the designed operating frequency.
    Type: Grant
    Filed: December 4, 2018
    Date of Patent: December 29, 2020
    Assignee: STAR Systems International Limited
    Inventor: Chi Lun Mak
  • Patent number: 10840873
    Abstract: A coil device includes a first coil wound around a winding axis, and a second coil substantially overlapping the first coil when viewed from a winding axis direction of the first coil. The second coil includes first and second portions adjacent to each other in the winding axis direction. The first and second portions extend so that the directions of electric current flowing through the first and second portions are opposite to each other, and a coil opening is provided between the first and second portions.
    Type: Grant
    Filed: January 17, 2018
    Date of Patent: November 17, 2020
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventor: Kenichi Ishizuka
  • Patent number: 10794969
    Abstract: According to one embodiment, an RF circuit includes a directional coupler, processing circuitry, and an adjuster. The directional coupler includes a first port for outputting at least a part of a traveling wave and a second port for outputting at least a part of a reflected wave. The processing circuitry is configured to calculate impedance of a load side that is viewed from the directional coupler, by using a voltage standing wave ratio based on respective outputs from the first port and the second port and a phase of the reflected wave based on an output from the second port. The adjuster is configured to adjust an output from at least one of the first port and the second port based on the impedance calculated by the processing circuitry.
    Type: Grant
    Filed: February 14, 2019
    Date of Patent: October 6, 2020
    Assignee: CANON MEDICAL SYSTEMS CORPORATION
    Inventors: Masaki Tanji, Hajime Tanaka, Hiroaki Murakoshi
  • Patent number: 10797397
    Abstract: An antenna module of a wireless communication system is provided. The antenna module includes a radiator comprising a top face to which a radio wave is radiated, a dielectric material disposed on a bottom face of the radiator, the bottom face of the radiator being opposite to the top face of the radiator, a feeding unit disposed on a bottom face of the dielectric material, the feeding unit being configured to supply an electric signal to the radiator through the dielectric material, and a support unit disposed on the bottom face of the dielectric material, the support unit comprising a metallic material.
    Type: Grant
    Filed: March 29, 2019
    Date of Patent: October 6, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yoongeon Kim, Seungtae Ko, Hyunjin Kim, Jungmin Park, Junsig Kum, Youngju Lee
  • Patent number: 10516206
    Abstract: Disclosed is an antenna structure configured to be provided in a headset to be worn. The antenna structure has a radiator and ground plate. The radiator is arranged in a first plane, and the ground plate in a second plane. The first plane, in which the radiator is arranged, is configured to be arranged substantially parallel to the surface of the head of the user, when the user wears the headset in its intended position on the head. The radiator and the ground plate are connected by a first ground connector, a second ground connector and a feed connector. The radiator has an opening between the first ground connector and the second ground connector. The opening between the first ground connector and the second ground connector provides that an object is configured to be arranged between the first plane and the second plane.
    Type: Grant
    Filed: June 20, 2018
    Date of Patent: December 24, 2019
    Assignee: GN AUDIO A/S
    Inventor: Alexander Riisberg
  • Patent number: 10461410
    Abstract: Coaxial helix antennas in accordance with embodiments of the invention are disclosed. In one embodiment, a coaxial helix antenna includes an inner element having an inner element radius and an inner element length and an outer element having an outer element radius and an outer element length, wherein the outer element radius is greater than the inner element radius, wherein the inner element is driven by a first conductor, wherein the outer element is driven by a second conductor, and wherein the outer element is disposed outside of the inner element such that a portion of the inner element extends beyond the outer element and includes an inner radiating element.
    Type: Grant
    Filed: February 1, 2017
    Date of Patent: October 29, 2019
    Assignee: CalAmp Wireless Networks Corporation
    Inventor: Orest Fedan
  • Patent number: 10340963
    Abstract: Aspects of this disclosure relate tuning an impedance presented to a common port of a multi-throw switch and a tunable notch filter coupled to the common port. The impedance presented to the common port can be tuned based on an impedance associated with a throw of the multi-throw switch that is activated. According to embodiments of this disclosure, a shunt inductor in parallel with a tunable capacitance circuit can tune the impedance presented to the common port of the multi-throw switch. In certain embodiments, the tunable notch filter includes a series LC circuit in parallel with a tunable impedance circuit.
    Type: Grant
    Filed: June 15, 2017
    Date of Patent: July 2, 2019
    Assignee: Skyworks Solutions, Inc.
    Inventors: David Steven Ripley, Edward F. Lawrence, Joshua Kawika Ellis
  • Patent number: 10229354
    Abstract: An apparatus comprising: one or more cells, each cell comprising: a proton conductor (25) configured to conduct proton charge carriers; an electron conductor region (26) configured to conduct electrons; a first electrode (27) associated with one of the proton conductor region (26) and the electron conductor region (26); and a second electrode (28) associated with the other of the proton conductor region (25) and the electron conduction region (26); an antenna (50), wherein at least a portion of the antenna (50) is configured to provide at least some of the first electrode(s) (27) of the one or more cells; and circuitry (80) configured to be powered via second electrode(s) (28) of the one or more cells in electrical parallel, wherein the circuitry (80) is configured to operably connect to the antenna (50).
    Type: Grant
    Filed: August 13, 2015
    Date of Patent: March 12, 2019
    Assignee: Nokia Technologies Oy
    Inventors: Mark Allen, Di Wei
  • Patent number: 10141652
    Abstract: An antenna apparatus includes: an antenna radiator, at least one antenna cable trough, a feedpoint, and at least one first protruding metal strip; where the at least one antenna cable trough is disposed on the antenna radiator; the at least one antenna cable trough extends along a top edge to a bottom edge of the antenna radiator; the feedpoint is further disposed on the antenna radiator, and the feedpoint is disposed at an end of the bottom edge of the antenna radiator and is near a side edge of the antenna radiator; and the at least one first protruding metal strip is inserted in the antenna cable trough and is separated from the antenna radiator.
    Type: Grant
    Filed: August 28, 2014
    Date of Patent: November 27, 2018
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Qing Liu, Yuzhen Zhang, Yao Lan, Dingjie Wang
  • Patent number: 10122086
    Abstract: In an antenna device including a high-band antenna element and a low-band antenna element that are connected to a common feed point and feeding electric power using one feed point, influence by unnecessary resonance of the low-band antenna element in a high band is suppressed. The antenna device includes a high-band antenna element and a low-band antenna element that are connected to a common feed point, an antenna-shortening inductor that is connected to between the low-band antenna element and the feed point, and a capacitor that is connected to the antenna-shortening inductor in parallel.
    Type: Grant
    Filed: May 3, 2017
    Date of Patent: November 6, 2018
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Katsuhito Kuroda, Kengo Onaka
  • Patent number: 10122058
    Abstract: An antenna module includes a resin multilayer substrate including a plurality of base materials that are flexible. The resin multilayer substrate includes a rigid portion at which a first number of stacked layers of the base materials is relatively large and a flexible portion at which a second number of stacked layers of the base materials is relatively small. A radiating element including a conductor pattern is provided at the rigid portion. A transmission line including a conductor pattern and electrically connected to the radiating element is provided at the flexible portion. A frame-shaped conductor that surrounds the radiating element when viewed in a direction in which the base materials are stacked is provided at either the rigid portion or the flexible portion, or both the rigid portion and the flexible portion.
    Type: Grant
    Filed: June 9, 2017
    Date of Patent: November 6, 2018
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Shinya Oguri, Wataru Tamura, Fumie Matsuda, Takahiro Baba
  • Patent number: 10049641
    Abstract: The present disclosure provides a driving circuit, comprising a plurality of transmission lines in one-to-one correspondence to a plurality of gate driving circuits and configured to transmit a control signal to the corresponding gate driving circuit; and a compensating resistor coupled to the corresponding transmission line so as to compensate for a resistance difference among the plurality of transmission lines.
    Type: Grant
    Filed: June 18, 2014
    Date of Patent: August 14, 2018
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Xiao Wang
  • Patent number: 9979074
    Abstract: A mobile device includes a ground plane, a first antenna, a second antenna, a first metal element, and a second metal element. The first antenna has a first feeding point coupled to a first signal source. The second antenna has a second feeding point coupled to a second signal source. The first metal element has a connection end and an open end. The connection end of the first metal element is coupled to the ground plane, and is adjacent to the first feeding point. The second metal element has a connection end and an open end. The connection end of the second metal element is coupled to the ground plane, and is adjacent to the second feeding point.
    Type: Grant
    Filed: October 6, 2016
    Date of Patent: May 22, 2018
    Assignee: QUANTA COMPUTER INC.
    Inventors: Chun-I Chen, Chi-Hsuan Lee, Chung-Ting Hung
  • Patent number: 9961173
    Abstract: An antenna and a mobile terminal are provided. The antenna may include a radiation unit and at least one parasitic unit. The radiation unit includes a first radiation sub-unit and a second radiation sub-unit. A first terminal of the first radiation sub-unit is connected to a bottom edge of a rear cover of the mobile terminal. A second terminal of the first radiation sub-unit is provided with a feed point, a first terminal of the second radiation sub-unit is connected to the bottom edge. A second terminal of the second radiation sub-unit is provided with a ground point. A distance from the feed point to the ground point is greater than zero and less than a preset value. The at least one parasitic unit is coupleable with the radiation unit via the feed point.
    Type: Grant
    Filed: January 20, 2017
    Date of Patent: May 1, 2018
    Assignee: Beijing Xiaomi Mobile Software Co., Ltd.
    Inventors: Zonglin Xue, Linchuan Wang, Xiaofeng Xiong
  • Patent number: 9887460
    Abstract: A near-field communication device includes: a processing module and a first antenna arranged in a first near-field communication area and connected to the processing module; a first presence detector arranged in the first area; a second antenna arranged in a second near-field communication area, the first antenna and the second antenna being electrically in series and forming a circuit of antennae; a second presence detector arranged in the second area; and a control circuit designed to place the circuit of antennae into at least two different operating modes: a) a first mode, termed ‘functional mode’, in which the circuit of antennae allows near-field communication, and b) a second mode, termed ‘dysfunctional mode’, in which the circuit of antennae does not allow near-field communication.
    Type: Grant
    Filed: May 15, 2017
    Date of Patent: February 6, 2018
    Assignees: CONTINENTAL AUTOMOTIVE FRANCE, CONTINENTAL AUTOMOTIVE GMBH
    Inventors: Mohamed Cheikh, Guillaume Vigneau, Said Bouguern
  • Patent number: 9871487
    Abstract: A harmonic translational filter includes a first path, a second path and a signal combiner. The first path has a first translational filter that is driven by a plurality of first oscillation signals, and is arranged to generate a first output signal according to an input signal. The second path has a second translation filter that is driven by a plurality of second oscillation signals that are different from the first oscillation signals in phase. The second path is coupled to the first path and arranged to generate a second output signal according to the input signal. The signal combiner is coupled to the first path and the second path, and arranged to combine the first output signal and the second output signal to generate a filtered signal.
    Type: Grant
    Filed: March 13, 2015
    Date of Patent: January 16, 2018
    Assignee: MEDIATEK INC.
    Inventors: Ying-Tsang Lu, Chih-Ming Hung, Meng-Chang Lee
  • Patent number: 9871286
    Abstract: A mobile terminal comprises: a terminal body; and a first antenna device and a second antenna device disposed at one side of the terminal body in an adjacent manner, and formed to operate at different frequency bands, wherein the first antenna device and the second antenna device are provided with conductive members each having a slit at one side thereof, and wherein the conductive members form part of an appearance of the terminal body.
    Type: Grant
    Filed: August 27, 2013
    Date of Patent: January 16, 2018
    Assignee: LG ELECTRONICS INC.
    Inventors: Yunmo Kang, Kangjae Jung, Sungjoon Hong, Byungwoon Jung, Sungjung Rho
  • Patent number: 9860050
    Abstract: Dynamic tuning of antennas towards a receive channel carrier frequency, a transmit channel carrier frequency, or between the receive channel and transmit channel carrier frequencies in frequency division duplex (FDD) communications systems is disclosed. A user device, such as a mobile communications device may be configured to dynamically tune its antenna based at least in part on the amount of data to transmit, data to receive, a receive channel quality, and/or a transmit channel quality. The antenna may be tuned to one of the transmit or receive channels or a frequency between the transmit and receive channels based at least in part on which channel, if any, may benefit from greater antenna efficiency.
    Type: Grant
    Filed: December 16, 2014
    Date of Patent: January 2, 2018
    Assignee: Amazon Technologies, Inc.
    Inventors: Rama Diwakara Rao Noolu, Saranya Chandrasekaran, Adrian Napoles
  • Patent number: 9825656
    Abstract: RF communications circuitry, which includes a first tunable RF filter and an RF power amplifier (PA), is disclosed. The first tunable RF filter includes a pair of weakly coupled resonators, and receives and filters a first upstream RF signal to provide a first filtered RF signal. The RF PA is coupled to the first tunable RF filter, and receives and amplifies an RF input signal to provide an RF output signal.
    Type: Grant
    Filed: August 1, 2014
    Date of Patent: November 21, 2017
    Assignee: Qorvo US, Inc.
    Inventors: George Maxim, Dirk Robert Walter Leipold, Baker Scott
  • Patent number: 9825365
    Abstract: An antenna device that includes a coil antenna with a coil conductor wound around a winding axis. The device further includes a planar conductor with a surface and an edge end portion, where the surface extends in the direction of the winding axis and the edge end portion is adjacent to a coil opening of the coil conductor. A booster antenna is also provided and includes a looped or spiral coil conductor and is coupled to the planar conductor and/or the coil antenna.
    Type: Grant
    Filed: January 17, 2017
    Date of Patent: November 21, 2017
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Teppei Miura, Jun Sasaki, Hiroyuki Kubo, Katsumi Taniguchi, Noboru Kato, Masahiro Ozawa, Satoshi Ishino
  • Patent number: 9806418
    Abstract: An antenna structure for an electronic device includes a first portion, a number of radiating sections, and a number of branch sections. The first portion receives an electric current from a printed circuit board of the electronic device and couples the electric current to the number of radiating sections and the number of branch sections of the antenna structure.
    Type: Grant
    Filed: October 27, 2015
    Date of Patent: October 31, 2017
    Assignee: Chiun Mai Communication Systems, Inc.
    Inventor: Yen-Hui Lin
  • Patent number: 9728857
    Abstract: An antenna structure includes a feed end plate, a ground end plate, a first radiator, a second radiator, and a metallic plate. The first radiator is coupled to the feed end plate. The second radiator is coupled to the ground end plate. The metallic plate is spaced from the first radiator and is couple the second radiator. The metallic plate includes a main sheet and at least one side sheet connected to the main sheet, a gap is defined between the main sheet and the first radiator, and the second radiator is coupled to the at least one side sheet.
    Type: Grant
    Filed: December 19, 2014
    Date of Patent: August 8, 2017
    Assignee: Chiun Mai Communication Systems, Inc.
    Inventors: Geng-Hong Liou, Yen-Hui Lin
  • Patent number: 9705478
    Abstract: RF communications circuitry, which includes a first tunable RF filter and a first RF low noise amplifier (LNA) is disclosed. The first tunable RF filter includes a pair of weakly coupled resonators, and receives and filters a first upstream RF signal to provide a first filtered RF signal. The first RF LNA is coupled to the first tunable RF filter, and receives and amplifies an RF input signal to provide an RF output signal.
    Type: Grant
    Filed: August 1, 2014
    Date of Patent: July 11, 2017
    Assignee: Qorvo US, Inc.
    Inventors: George Maxim, Dirk Robert Walter Leipold, Baker Scott
  • Patent number: 9685706
    Abstract: The disclosure provides a full-band antenna system including a metal backing and a main antenna module. The metal backing includes a header, a middle cover and a lower head. The main antenna module includes a circuit board, a feed part on the circuit board, a ground point and a matching circuit. The circuit board includes a substrate and an earth plate. The feed part and the matching circuit are located on the substrate, and the ground point is on the earth plate. The matching circuit is connected with the feed part, including a variable capacitance. By the variable capacitance of the matching circuit, it is beneficial to adjust the performance of antenna of all range of frequency conveniently and optimize the antenna's radiant efficiency up to the utmost extent.
    Type: Grant
    Filed: November 2, 2015
    Date of Patent: June 20, 2017
    Assignee: AAC TECHNOLOGIES PTE. LTD.
    Inventors: Tan Yew Choon, Ng Guan Hong, Tay Yew Siow
  • Patent number: 9666939
    Abstract: Disclosed is an antenna bandwidth expander capable of improving transmission/reception performance of a wireless communication device by expanding a bandwidth of an antenna in which broadband frequency characteristics including various communication bands are necessary like an LTE smartphone. The antenna bandwidth expander may improve the transmission and reception performance of a terminal by easily and conveniently expanding a bandwidth of an antenna in first and second resonant frequency bands.
    Type: Grant
    Filed: January 4, 2016
    Date of Patent: May 30, 2017
    Assignees: Joinset Co., Ltd.
    Inventors: Jong-Cheol Yoon, Sun-Ki Kim, In-Yeup Song
  • Patent number: 9654162
    Abstract: The invention relates to a method for radio communication using multiple antennas and localization variables, and to an apparatus for radio communication using multiple antennas and localization variables. An apparatus for radio communication of the invention comprises: 4 antennas, the 4 antennas forming an antenna array; a radio device; a sensor unit estimating a plurality of localization variables; an antenna tuning apparatus having 4 antenna ports, each of the antenna ports being coupled to one of the antennas through a feeder, the antenna tuning apparatus having 4 radio ports, each of the radio ports being coupled to the radio device through an interconnection; and a tuning control unit, the tuning control unit receiving a tuning instruction generated automatically within the apparatus for radio communication, the tuning control unit delivering a plurality of tuning control signals to the antenna tuning apparatus.
    Type: Grant
    Filed: October 15, 2015
    Date of Patent: May 16, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Frédéric Broyde, Evelyne Clavelier