Loop Type Patents (Class 343/788)
  • Patent number: 10439286
    Abstract: An antenna coil housed in a tubular case has a holder made from resin, which is fitted on a magnetic-material core. This holder has a core holding part, which holds the magnetic-material core, and a lead wire holding part, which holds lead wires. The lead wire holding part has first holding parts 22a, which hold the lead wires in the X direction, near the ends, and second holding parts 22b, which hold the ends of the lead wires in the Y direction, the ends of the coil being connected to conductors of the lead wires, which are led out via the second holding parts 22b.
    Type: Grant
    Filed: June 29, 2018
    Date of Patent: October 8, 2019
    Assignee: Tokyo Parts Industrial Co., Ltd.
    Inventor: Takahisa Kitahara
  • Patent number: 10430703
    Abstract: An article of manufacture comprises a wearable, stretchable article comprising stretchable material. The wearable, stretchable article is selected from a group comprising: clothing, a hat, a headband, a wristband, socks, footwear, handwear, shorts, or an undergarment. At least one RFID tag is mounted on the wearable, stretchable article and includes a stretch-activated switch on the at least one RFID tag. The stretch-activated switch has a first mode and a second mode. The first mode is associated with a first RFID tag state and the second mode is associated with a second RFID tag state. The stretch-activated switch comprises a ground contact, an RFID enable contact and a contact to slidably engage the ground contact and the RFID enable contact to transition between the first RFID tag state and the second RFID tag state.
    Type: Grant
    Filed: March 13, 2019
    Date of Patent: October 1, 2019
    Assignee: Motorola Mobility LLC
    Inventors: Scott DeBates, Douglas Lautner, Jagatkumar Shah, Mary Hor-Lao
  • Patent number: 10424837
    Abstract: The present invention provides, in alternative embodiments, high temperature transponders that can withstand high temperature shocks and can maintain their physical and electrical characteristics following high temperature exposure, and methods of making said transponders.
    Type: Grant
    Filed: May 5, 2017
    Date of Patent: September 24, 2019
    Assignee: Jamm Technologies, Inc.
    Inventor: Ezequiel Mejia
  • Patent number: 10386790
    Abstract: An electronic device includes a case with an opening portion; a cover member arranged in the opening portion so as to close the opening portion; a seal member provided between an outer circumferential surface of the cover member and an inner circumferential surface of the opening portion; a reinforcing portion made of a nonconductive material and provided, in the case, on a portion outside the inner circumferential surface in a direction orthogonal to an axial direction of the opening portion; an antenna; and an electronic component arranged in the case and configured to process a radio wave received by the antenna.
    Type: Grant
    Filed: November 7, 2017
    Date of Patent: August 20, 2019
    Assignee: CASIO COMPUTER CO., LTD.
    Inventors: Hiroshi Katsuda, Akira Suzuki, Akihisa Ohmura, Hiroki Nishiyama
  • Patent number: 10389007
    Abstract: There is disclosed a mobile terminal comprising a terminal body comprising a terminal body comprising a plurality of cases forming an external appearance of the mobile terminal; a waterproof member configured to prevent liquid from entering the mobile terminal between at least two of the plurality of cases; an air vent hole configured to allow air to pass between an interior and an exterior of the mobile terminal; a waterproof mesh disposed at the air vent hole and configured to allow air but not liquid to pass through the air vent hole; an antenna module provided in the plurality of cases and comprising an antenna radiator and a wireless integrated circuit; and a heat radiation unit having a first end adjacent to the antenna module and a second end adjacent to the air vent hole to allow heat from the antenna module to escape via the air vent hole.
    Type: Grant
    Filed: August 29, 2018
    Date of Patent: August 20, 2019
    Assignee: LG ELECTRONICS INC.
    Inventors: Dongjun Choi, Joseph Lee, Hangseok Kim, Minchul Shin, Youngwook Sohn
  • Patent number: 10374305
    Abstract: A multilayer substrate, in which flexible insulating base materials are laminated, includes first and second regions. The number of laminated insulating base materials in the second region is smaller than that in the first region. The multilayer substrate includes a coil antenna located in the first region, a magnetic member located in the first region, a mounting component located in the first region, a wiring pattern, and an external connection terminal. The mounting component entirely overlaps the magnetic member when viewed in a thickness direction and is located on a side opposite to the coil antenna across the magnetic member in the thickness direction. At least a portion of the coil antenna overlaps the magnetic member when viewed in the thickness direction.
    Type: Grant
    Filed: January 29, 2018
    Date of Patent: August 6, 2019
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Nobou Ikemoto, Jun Sasaki
  • Patent number: 10333196
    Abstract: An antenna apparatus includes a structure configured to mount within a stock race to permit animals to pass therethrough. One or more antenna coils are attached to or within the structure and provide a magnetic field laterally across the structure. The coils may be arranged in a Helmholtz configuration to provide a substantially uniform field in a read zone. The structure may have an open top and the side walls of the structure may be slanted forwards.
    Type: Grant
    Filed: May 2, 2016
    Date of Patent: June 25, 2019
    Assignee: ALEIS PTY LTD
    Inventors: Benjamin Thomas John Wilkinson, Patrick Bernard Gunston
  • Patent number: 10305187
    Abstract: An antenna device includes: a plated magnetic body; a conductive wire that is wound around the magnetic body; and a substrate that relays the conductive wire and a connector.
    Type: Grant
    Filed: March 15, 2017
    Date of Patent: May 28, 2019
    Assignee: Ricoh Company, Ltd.
    Inventor: Naohiro Itoh
  • Patent number: 10282653
    Abstract: An article of manufacture comprises a wearable, stretchable synthetic or natural textile article. At least one RFID tag is mounted on the wearable, stretchable synthetic or natural textile article. A stretch-activated switch on the at least one RFID tag has a first mode and a second mode. The first mode is associated with a first RFID tag state and the second mode is associated with a second RFID tag state. The stretch-activated switch comprises a ground contact, an RFID enable contact and a contact to slidably engage the ground contact and the RFID enable contact to transition between the first RFID tag state and the second RFID tag state.
    Type: Grant
    Filed: December 18, 2018
    Date of Patent: May 7, 2019
    Assignee: Motorola Mobility LLC
    Inventors: Scott DeBates, Douglas Lautner, Jagatkumar Shah, Mary Hor-Lao
  • Patent number: 10256542
    Abstract: A chip antenna and a method of manufacturing the same are provided. A chip antenna includes connection terminals disposed on both ends of a core, and a coil wound around the core and having ends thereof connected to the connection terminals, in which the connection terminals include a metal plate, and at least a portion of the connection terminals has a thickness greater than a winding thickness of the coil.
    Type: Grant
    Filed: May 17, 2016
    Date of Patent: April 9, 2019
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Ha Ryong Hong, Sung Jun Park, Dae Kyu Lee, Sung Eun Cho, Ju Hyoung Park, Seung Hun Ryu
  • Patent number: 10249425
    Abstract: A coil device includes a core member, a bobbin, a coil portion, an outer case, and a potting resin. The core member extends in a longitudinal direction. The bobbin is provided with a longitudinal concave portion communicating with a side surface opening portion open to outside and housing the core member. The coil portion is provided with a wire wound around the bobbin. The outer case is provided with a housing concave portion configured to house the bobbin housing the core member and have the coil portion. The potting resin is filled in the housing concave portion and surrounds the bobbin with the coil portion. An opening port of the housing concave portion and the side surface opening portion are open in the same direction.
    Type: Grant
    Filed: June 21, 2017
    Date of Patent: April 2, 2019
    Assignee: TDK CORPORATION
    Inventor: Katsumi Kobayashi
  • Patent number: 10224596
    Abstract: The purpose of the present invention is to provide an antenna device that makes it possible to ensure satisfactory communication performance even when the antenna device is mounted in an electronic apparatus with limited mounting space. An antenna device, incorporated in an electronic apparatus, which communicates with an external device via an electromagnetic field signal, comprising: a metal plate provided inside a housing of the electronic apparatus and facing the external device, and an antenna coil provided by winding a conducting wire in a approximately rectangular shape so that parts of the conducting wire that face each other in a width direction via an opening of the antenna coil come close to each other, and inductively coupled to the external device, wherein the antenna coil is provided along a side face of the metal plate.
    Type: Grant
    Filed: May 2, 2016
    Date of Patent: March 5, 2019
    Assignee: DEXERIALS CORPORATION
    Inventor: Katsuhisa Orihara
  • Patent number: 10217042
    Abstract: A stretch-activated switch is incorporated in an RFID tag that can be mounted on a stretchable, wearable textile article. The stretch-activated switch can receive a stretch input to place the RFID tag in either an activated or an un-activated state. The stretch input can correspond to a user donning or doffing the stretchable, wearable textile article.
    Type: Grant
    Filed: November 23, 2016
    Date of Patent: February 26, 2019
    Assignee: Motorola Mobility LLC
    Inventors: Scott DeBates, Douglas Lautner, Jagatkumar Shah, Mary Hor-Lao
  • Patent number: 10170836
    Abstract: In a coil antenna device, a multilayer structure includes non-magnetic sheets and magnetic sheets stacked on each other. A coil conductor is provided in the multilayer structure such that a portion of the magnetic material defines a magnetic core and such that a coil axis extends along a principle surface of the multilayer structure. The coil conductor includes a plurality of line conductors each of which extends on one principle surface side of the magnetic material, a plurality of line conductors each of which extends on the other principle surface side of the magnetic material, and a plurality of via-hole conductors extending in a thickness direction of the multilayer structure so as to be surrounded with the magnetic material. The plurality of via-hole conductors defines a coiled structure together with the line conductors.
    Type: Grant
    Filed: February 26, 2014
    Date of Patent: January 1, 2019
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Kuniaki Yosui, Noboru Kato
  • Patent number: 10147998
    Abstract: An antenna of a communication terminal is disposed on a side on which a bottom surface of a reflective plate, which is included in a display, is present. When the reflective plate is irradiated by an LED light source, the antenna cannot be seen from the side on which a display screen of the display is disposed. Accordingly, an antenna coil of the antenna does not need transparent electrodes and can be made of various materials each having a high conductivity. Therefore, the antenna has high sensitivity, low manufacturing cost, and very efficiently performs near field communication with an external device located on the display screen side of the display.
    Type: Grant
    Filed: February 16, 2018
    Date of Patent: December 4, 2018
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Noboru Kato, Masahiro Ozawa, Nobuhito Tsubaki
  • Patent number: 10141650
    Abstract: An antenna module includes a multilayer body of laminated insulator layers, surface-mounted devices on a top surface of the multilayer body, an antenna coil with a coil winding axis extending in the laminating direction of the insulator layers or in a direction parallel or substantially parallel to the insulator layers, and wiring conductors electrically connected with the surface-mounted devices or the antenna coil. The antenna coil includes coil conductors on more than one of the insulator layers, and interlayer connection conductors, each of which electrically connects end portions of corresponding ones of the coil conductors to each other, to define a helical shape. The wiring conductors are within a space defined through formation of the antenna coil, in the laminating direction of the insulator layers.
    Type: Grant
    Filed: April 6, 2017
    Date of Patent: November 27, 2018
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventor: Nobuyuki Tenno
  • Patent number: 10122068
    Abstract: A wireless IC device including a coil antenna includes a first substrate, a first metal post, a second metal post, and a connection conductor. First conductor patterns are provided on a first principal surface of the first substrate. The first metal post and the second metal post extend in a normal direction to the first principal surface of the first substrate, and first ends thereof are connected to the first-principal-surface-side conductor patterns. A first end of second conductor pattern is connected to a second end of the first metal post, and a second end of the connection conductor is connected to a second end of the second metal post. A second end of the first-principal-surface-side conductor patterns are power supply ends.
    Type: Grant
    Filed: October 28, 2016
    Date of Patent: November 6, 2018
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventor: Noboru Kato
  • Patent number: 10116053
    Abstract: Provided is an antenna coil component including a bobbin around which a winding is wound, a base provided at least at one end side of the bobbin, and one or more metal terminals each fixed to the base, at least one metal terminal among these metal terminals including a fixing part for fixing the metal terminal to the base, a mounting part provided at a position away from the fixing part, and a neck part for connecting the fixing part and the mounting part to each other. The neck part has a length in a direction substantially orthogonal to a direction from the fixing part to the mounting part and substantially parallel to surfaces of the mounting part, which is narrower than that of the mounting part. Provided as well are an antenna unit using the antenna coil component, and a method of manufacturing the antenna coil component.
    Type: Grant
    Filed: July 13, 2017
    Date of Patent: October 30, 2018
    Assignee: SUMIDA CORPORATION
    Inventors: Kei Tanaka, Takanobu Rokuka, Hitoshi Moriya, Shigeru Mahara, Noriaki Iwasaki, Yoshinori Miura, Kei Nagabayashi, Yoshimasa Abe
  • Patent number: 10096903
    Abstract: Provided is an antenna that can facilitate favorable communications even if no metal body is located near the antenna and even if the antenna is located within a metal body. An antenna is characterized in that the antenna comprises: a core (11) having a plane; a coil winding part (area B) of the plane about which a coil is wound; and no-coil winding parts (areas A, C) of the plane about which no coil is wound, wherein the coil winding part is sandwiched between the no-coil winding parts in the axial direction of the coil on the plane, and the width of the plane in the axial direction of the coil is equal to or greater than the width of the plane in the winding direction of the coil.
    Type: Grant
    Filed: April 3, 2014
    Date of Patent: October 9, 2018
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Shuichiro Yamaguchi, Masaaki Sano
  • Patent number: 10074888
    Abstract: An antenna for transmitting electromagnetic radiation. The antenna comprises a core further comprising at least one layer of contiguous core material and windings disposed on the core forming a plurality or winding segments. The windings define gaps between each winding segment, wherein parameters of the gaps and parameters of the windings are selected to generate a balanced magnetic field. A material of the core comprises an amorphous or annealed material, further comprising metal or alloys, comprising one or more of nickel or nano-crystalline or nano-materials.
    Type: Grant
    Filed: April 4, 2016
    Date of Patent: September 11, 2018
    Assignee: NXT-ID, INC.
    Inventors: David Tunnell, Jacob Zurasky, Brian Keen, John Camuso
  • Patent number: 10062956
    Abstract: An antenna device includes a conductive member and a wiring substrate including a coupling line that is conductive. The antenna device includes connecting conductors electrically connecting the conductive member and the coupling line. A feeding coil magnetic-field coupled to the coupling line is arranged on the wiring substrate.
    Type: Grant
    Filed: October 19, 2016
    Date of Patent: August 28, 2018
    Assignee: Murata Manufacturing Co., Ltd.
    Inventor: Hiromitsu Ito
  • Patent number: 10056687
    Abstract: The inductor comprises a winding arranged around a core formed by at least two rigid magnetic elements connected in an articulated manner forming an oblong assembly, each comprising: a head end A provided with a circular convex curved surface and a tail end B provided with a circular concave curved configuration, in relation to a transverse axis of the tail, parallel to the transverse axis of the head, and the configuration being complementary to said circular convex curved configuration. The head end A is coupled to the tail end B forming an articulated attachment, and the transverse axes of the head and tail coincide in the coupling area, providing a joint having a variable, adjustable angle, wherein the assembly of said two or more rigid magnetic cores is surrounded by a flexible polymer casing, including magnetic charges that work together to prevent magnetic flux dispersion in the coupling gaps or interstices between the magnetic cores.
    Type: Grant
    Filed: March 2, 2017
    Date of Patent: August 21, 2018
    Assignee: PREMO, S.L.
    Inventors: Antonio Rojas Cuevas, Francisco Ezequiel Navarro Perez, Claudio Cañete Cabeza
  • Patent number: 10038242
    Abstract: An antenna component providing a large output. The antenna component includes a magnetic core and a coil antenna including a first coil portion to an nth coil portion (n being an integer more than two) wound around the magnetic core. The first coil portion to the nth coil portion are electrically connected in series and are spaced apart from each other and arranged in the order from the first to nth coil portions. The number of turns of each of the second coil portion to the (n?1)th coil portion is smaller than the number of turns of each of the first coil portion and the nth coil portion.
    Type: Grant
    Filed: July 6, 2016
    Date of Patent: July 31, 2018
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Ryoji Imai, Takeshi Arai, Tsugumichi Nagaoka
  • Patent number: 10031487
    Abstract: A thin electronic timepiece can receive satellite signals and standard time signals. An electronic timepiece has a planar antenna for receiving satellite signals, a bar antenna for receiving standard time signals, a time display unit with a plurality of hands, a plurality of motors for driving the hands, a battery, and a timepiece case. In a plan view of the electronic timepiece, the planar antenna, bar antenna, and battery are disposed to positions not mutually superimposed; the plural motors are disposed inside the timepiece case at positions not superimposed in plan view with the planar antenna and bar antenna; and at least one of the plural motors is disposed superimposed in plan view with the battery inside the timepiece case.
    Type: Grant
    Filed: March 7, 2017
    Date of Patent: July 24, 2018
    Assignee: Seiko Epson Corporation
    Inventor: Teruhiko Fujisawa
  • Patent number: 9973666
    Abstract: A camera module includes a lens and an image sensor that converts an image formed by the lens into an electrical signal. The camera module is disposed such that the lens is exposed from an opening in a metal housing. A feeding coil to which a feeding circuit is directly or indirectly connected, is disposed, for example, in a space between the image sensor and the lens in a direction of an optical axis of the lens. The feeding coil is coupled to the metal housing by a magnetic field, so that the metal housing defines and functions as a radiating element for communication.
    Type: Grant
    Filed: March 14, 2016
    Date of Patent: May 15, 2018
    Assignee: Murata Manufacturing Co., Ltd.
    Inventors: Shinichi Nakano, Satoshi Ishino
  • Patent number: 9972909
    Abstract: A three-axis antenna including a first through a third antenna coils each of which has: a planar coil wound around a winding axis, and sheet cores inserted into the central hole of each the planar coils, wherein the three antenna coils are arranged in a manner that the respective antenna coils do not overlap each other, and the planes of the planar coils are coplanar, and the axial directions of the respective sheet cores of the first through third antenna coils cross and, in doing so, form angles of 120° with each other.
    Type: Grant
    Filed: May 13, 2015
    Date of Patent: May 15, 2018
    Assignee: Murata Manufacturing Co., Ltd.
    Inventor: Kachiyasu Sato
  • Patent number: 9948005
    Abstract: An antenna device that includes a planar conductor with a first side and a second side. The antenna device includes multiple coil antennas that each includes a coil conductor wound around a winding axis that extends in a direction of the planar conductor. Moreover, two or more of the coil antennas have respective coil openings positioned adjacent to the first side of the planar conductor.
    Type: Grant
    Filed: June 8, 2016
    Date of Patent: April 17, 2018
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Teppei Miura, Jun Sasaki, Hiroyuki Kubo, Katsumi Taniguchi, Noboru Kato, Masahiro Ozawa, Satoshi Ishino
  • Patent number: 9947995
    Abstract: An antenna device includes a conductor surface in which an opening having an open edge portion in communication with the outside is provided, a feed element including a first coil connected to the feed element and a second coil magnetically coupled to the first coil, a first mounting portion disposed in the open edge portion and connected to a first end of the second coil, and a second mounting portion disposed in the open edge portion in a state isolated from the first mounting portion and connected to a second end of the second coil. The first mounting portion and the conductor surface are directly or indirectly conducted to each other, and the second mounting portion and the conductor surface are directly or indirectly conducted to each other. A loop is defined around the opening through the first mounting portion, the second mounting portion, and the second coil.
    Type: Grant
    Filed: September 22, 2016
    Date of Patent: April 17, 2018
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Shinichi Nakano, Kuniaki Yosui, Noboru Kato
  • Patent number: 9912058
    Abstract: According to one embodiment, a hybrid antenna is described comprising a plurality of windings wherein each winding comprises a loop antenna portion arranged in a plane and a ferrite antenna portion arranged at least partially outside of the plane.
    Type: Grant
    Filed: October 21, 2014
    Date of Patent: March 6, 2018
    Assignee: Infineon Technologies AG
    Inventors: Petteri Palm, Martin Buchsbaum, Josef Gruber, Juergen Hoelzl, Frank Pueschner, Peter Stampka
  • Patent number: 9905926
    Abstract: An antenna device includes a feeding coil antenna and a booster coil antenna electromagnetically coupled to the feeding coil antenna. The feeding coil antenna includes a plurality of coil portions including at least one magnetic body and each including a coil conductor wound around the at least one magnetic body. The plurality of coil portions are connected to one another in an in-phase mode, and are arranged near one another such that winding axes of the coil conductors are oriented approximately in the same direction and at least portions of respective openings of the coil conductors face one another.
    Type: Grant
    Filed: November 1, 2016
    Date of Patent: February 27, 2018
    Assignee: Murata Manufacturing Co., Ltd.
    Inventors: Nobuhito Tsubaki, Noboru Kato
  • Patent number: 9905924
    Abstract: An antenna device is provided with a magnetic core having a winding core, an antenna coil having a wire wound around the winding core, and a metal layer crossing a coil axis direction of the antenna coil. The metal layer has a slit and an edge of the slit crosses an inner diameter portion of the antenna coil in a plan view.
    Type: Grant
    Filed: April 14, 2016
    Date of Patent: February 27, 2018
    Assignee: TDK CORPORATION
    Inventors: Toshifumi Komachi, Hirohumi Asou, Toshio Tomonari
  • Patent number: 9859906
    Abstract: Methods and devices for an energy efficient digital to analog conversion are disclosed. With the achievable sampling rates and output voltage levels, high power RF signals can be synthesized. A plurality of pulses are generated and coupled onto transmission lines. On the other end of the transmission line the pulses are either reflected or transmitted to a load line depending on the status of a termination element. In one embodiment the reflected pulses are collected and sent to a load. The energy in the transmitted pulses can be recovered and reused. In another embodiment the transmitted pulses are collected and transmitted to a load and the energy in the reflected pulses is recovered and reused.
    Type: Grant
    Filed: August 11, 2015
    Date of Patent: January 2, 2018
    Assignee: S9ESTRE, LLC
    Inventor: Bernd Schafferer
  • Patent number: 9819079
    Abstract: Described herein are techniques related to near field communication and wireless power transfers. A portable device may include a modular antenna that offers consistent characteristics independent of integration environment. The modular antenna may include a continuous loop of coil antenna and a ferrite material that are encapsulated by a shield. The shield may form a “U” shape configuration to encapsulate the top layer coil antenna and the middle layer ferrite material in all three sides, which are defined by a bottom portion, an outer wall, and an inner wall. Furthermore, the shield may include an outer rim and an inner rim to maintain the same coil antenna characteristics in the modular antenna.
    Type: Grant
    Filed: May 3, 2012
    Date of Patent: November 14, 2017
    Assignee: Intel Corporation
    Inventors: Songnan Yang, Anand S. Konanur, Hao-Han Hsu, Changsong Sheng, Ulun Karacaoglu
  • Patent number: 9812772
    Abstract: The antenna device comprises: a magnetic core; one or more windings (W1) wound around the magnetic core; an electrically insulating base (1), on which the magnetic core wound with the one or more windings (W1) is arranged, and which comprises electrically conductive elements (11, 12, 13), which are electrically connected to the one or more one windings (W1); and an adaptor (A) is arranged over the magnetic core and comprising an electrically insulating piece (140) having an upper surface comprising electrically conductive platings (121, 122, 123) following a specific PCB layout and at least part of which are connected to the electrically conductive elements (11, 12, 13) of the electrically insulating base (1). The adaptor is suitable for its use as the adaptor of the antenna device of the present invention.
    Type: Grant
    Filed: December 20, 2013
    Date of Patent: November 7, 2017
    Inventors: Antonio Rojas Cuevas, Francisco Ezequiel Navarro Perez, Maria Mar Villarrubia Garcia, Sergio Cobos Reyes, Claudio Canete Cabeza
  • Patent number: 9806421
    Abstract: An antenna system is described for implementation in devices enclosed in a metallic enclosure, where a small opening is introduced in the metallic enclosure and a magnetic field is generated external to the metallic enclosure for use in near field communication applications. An antenna structure is described that is internal to the metallic enclosure that generates a magnetic field on the axis of the opening in the metallic enclosure.
    Type: Grant
    Filed: February 4, 2016
    Date of Patent: October 31, 2017
    Assignee: ETHERTRONICS, INC.
    Inventors: Olivier Pajona, Laurent Desclos, Seng Thail Sron, Jaakko Kyllonen
  • Patent number: 9786989
    Abstract: Disclosed is an NFC antenna that facilitates a touch operation of a portable electronic instrument. An NFC antenna includes insulating substrates and an antenna coil having a front surface pattern and a back surface pattern formed on antenna surfaces that are present on the same planes. The insulating substrates are molded into an L shape together with a magnetic sheet sandwiched therebetween. The antenna coil is also arranged in the L shape in a similar manner. When the NFC antenna is arranged at a corner of a smart phone, a coil opening faces to a position of a touch corner. NFC can be started in a short time by a touch operation using the touch corner.
    Type: Grant
    Filed: November 19, 2014
    Date of Patent: October 10, 2017
    Assignee: Lenovo (Singapore) PTE. LTD.
    Inventors: Hideto Horikoshi, Hideaki Hasegawa
  • Patent number: 9779353
    Abstract: An antenna device or a communication terminal device including the antenna device includes ground conductor, which serves as a plate-shaped conductor and is provided in an inner layer of a circuit board. An antenna coil is mounted so that a first main surface of a magnetic core faces the circuit board. The antenna coil is arranged so that a first conductor portion of a coil conductor is at a position that is closer to the ground conductor than a second conductor portion. The antenna coil is arranged so that the first conductor portion of the coil conductor is positioned in the vicinity of a longitudinal direction end portion of a casing, and the first conductor portion of the coil conductor is bent in a direction toward the ground conductor.
    Type: Grant
    Filed: March 4, 2016
    Date of Patent: October 3, 2017
    Assignee: Murata Manufacturing Co., Ltd.
    Inventors: Hiroyuki Kubo, Hiromitsu Ito, Kuniaki Yosui
  • Patent number: 9774088
    Abstract: An embodiment of an antenna system comprising a radio frequency (RF) current-sensing and current injecting antenna device for coupling RF energy, wherein the antenna device comprises an outer conducting non-magnetic housing, a magnetic core having a central aperture, said core insulated from said housing, and a first winding wound about said core, said first winding having a first end receiving said RF energy and a second end, said first winding insulated from said housing between said first end and said second end, wherein a conductor is positioned within said aperture, and said conductor has a length of at least 0.1 wavelength of said RF energy. Wherein, in a transmitting mode said antenna device couples RF energy, created in an RF transmitter, to the conductor. In a receiving mode said antenna device couples RF energy, developed in the conductor intercepting an RF field, to the input of an RF receiver.
    Type: Grant
    Filed: November 20, 2015
    Date of Patent: September 26, 2017
    Assignee: FISCHER CUSTOM COMMUNICATIONS, INC.
    Inventors: Allen W. Fischer, Joseph F. Fischer, Bruce L. Harlacher, Eric B. Crittenden, Peter G. Drembelas
  • Patent number: 9774080
    Abstract: The present invention relates to an electromagnetic wave shielding sheet for an antenna, to a method for manufacturing same, to an antenna comprising same, and to a battery pack for a portable terminal having said antenna. The method for manufacturing the electromagnetic wave shielding sheet for the antenna may reduce a frequency variation, provide a heat-dissipating function, and prevent peel-off. The method comprises: a step of preparing a ferrite sheet; and step of placing a heat-dissipating layer on one side of the ferrite sheet. The present invention has advantages in that the adhesive forces of the ferrite sheet and the heat-dissipating layer are excellent and the heat-dissipating effects are excellent, the electromagnetic wave shielding sheet can be applied to various antenna products, and the frequency variation can be reduced when the antenna having the electromagnetic wave shielding sheet is mounted on the battery pack.
    Type: Grant
    Filed: October 11, 2013
    Date of Patent: September 26, 2017
    Assignee: AMOTECH CO., LTD.
    Inventors: Hyung-Il Baek, Joo-Seung Maeng, Seung-Chul Lee, Beom-Jin Kim
  • Patent number: 9728340
    Abstract: A variable capacitance capacitor element according to an embodiment of the present invention comprises: a supporting substrate; a first electrode layer provided on the supporting substrate; a second electrode layer provided opposite to the first electrode layer; and a dielectric layer positioned between the first electrode layer and the second electrode layer. In accordance with an aspect, a main component of the dielectric layer is represented by a composition formula Ba1?xSrxTiO3 (0.5?x?0.8), and the first thin film dielectric layer has a thickness of 200 nm or smaller.
    Type: Grant
    Filed: June 11, 2013
    Date of Patent: August 8, 2017
    Assignee: TAIYO YUDEN CO., LTD.
    Inventors: Daiki Ishii, Tomokazu Ikenaga, Kentaro Nakamura
  • Patent number: 9705186
    Abstract: The invention is a modular buoyant cable antenna that is towed on the surface of a body of water by a submerged underwater vehicle to allow communication coverage in an omnidirectional pattern that is also compatible with existing buoyant cable antenna deployment and retrieval systems. The antenna of the present invention comprises a floating cable having four identical antenna elements that are arranged in a cross configuration. The antenna uses the sea surface as a ground plane providing good antenna gain levels. The antenna is designed with an integrated impedance matching network to maximize radiation efficiency.
    Type: Grant
    Filed: April 13, 2015
    Date of Patent: July 11, 2017
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Pablo Lozada-Ortiz, Isaac A Wheeler
  • Patent number: 9679240
    Abstract: An antenna device includes a multilayer body including magnetic layers or dielectric layers that are stacked, a first coil conductor that has a winding axis extending in a direction perpendicular or substantially perpendicular to a stacking direction of the multilayer body, the first coil conductor being provided in the multilayer body, and a second coil conductor that has a winding axis extending in a direction perpendicular or substantially perpendicular to the winding axis of the first coil conductor, the second coil conductor being provided in the multilayer body.
    Type: Grant
    Filed: May 21, 2014
    Date of Patent: June 13, 2017
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Nobuo Ikemoto, Kuniaki Yosui
  • Patent number: 9673524
    Abstract: An antenna apparatus including a core member having a support part and first protrusion portions disposed on one surface of the support part, and a coil portion wound around the core member, wherein the core member further includes second protrusion portions disposed on the other surface of the support part, opposite to one surface of the support part, and the second protrusion portions have end surfaces provided as mounting surfaces, respectively.
    Type: Grant
    Filed: April 7, 2015
    Date of Patent: June 6, 2017
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Sergey Stakanov, Jong Lae Kim, Dae Seong Jeon, Sung Youl Choi, Ju Hyoung Park
  • Patent number: 9515382
    Abstract: An antenna device includes a feeding coil antenna and a booster coil antenna electromagnetically coupled to the feeding coil antenna. The feeding coil antenna includes a plurality of coil portions including at least one magnetic body and each including a coil conductor wound around the at least one magnetic body. The plurality of coil portions are connected to one another in an in-phase mode, and are arranged near one another such that winding axes of the coil conductors are oriented approximately in the same direction and at least portions of respective openings of the coil conductors face one another.
    Type: Grant
    Filed: March 18, 2014
    Date of Patent: December 6, 2016
    Assignee: Murata Manufacturing Co., Ltd.
    Inventors: Nobuhito Tsubaki, Noboru Kato
  • Patent number: 9490529
    Abstract: This disclosure provides an antenna device and a mobile terminal equipped with the antenna device. The antenna device includes a coil conductor spirally wound to have a conductor opening portion at the center of winding and is formed on a flexible substrate. A magnetic sheet is disposed near, or proximal to the flexible substrate and between the coil conductor and a flat conductor of a circuit board. A side of the antenna coil that is near an edge of the flat conductor is bent toward the circuit board.
    Type: Grant
    Filed: April 15, 2015
    Date of Patent: November 8, 2016
    Assignee: Murata Manufacturing Co., Ltd.
    Inventors: Hiroyuki Kubo, Hiromitsu Ito, Kuniaki Yosui
  • Patent number: 9407009
    Abstract: An antenna coil device including: a connector unit mounted with a connector of an external circuit detachably by being plugged-in; and a base unit provided with an antenna body including a coil, in which the connector unit and the base unit are constituted by separate members and are used by being combined integrally each other, wherein for the connector unit and the base unit, there are formed a connector fitting portion and a base fitting portion which are formed with a concave and a convex in a direction intersecting with respect to the plug-in direction of the connector unit, and by fitting the connector fitting portion and the base fitting portion, the connector unit and the base unit are combined in a state in which the antenna body is positioned with respect to the connector unit.
    Type: Grant
    Filed: May 27, 2014
    Date of Patent: August 2, 2016
    Assignee: SUMIDA CORPORATION
    Inventor: Shigeru Mahara
  • Patent number: 9280143
    Abstract: A sensitivity adjustment device adjusts radio wave sensitivity of an antenna which wirelessly transmits/receives a signal to/from an external device. The sensitivity adjustment device includes: a sensitivity adjuster and an adjuster moving section. The sensitivity adjuster includes (a) a shielding part which shields a radio wave and (b) a penetration part which allows penetration of a radio wave. The adjuster moving section moves the sensitivity adjuster with respect to the antenna in such a way as (a) to change a position of the shielding part and a position of the penetration part with respect to the antenna, and (b) to adjust a covered area of the antenna covered with the sensitivity adjuster, so as to adjust the radio wave sensitivity of the antenna.
    Type: Grant
    Filed: March 23, 2012
    Date of Patent: March 8, 2016
    Assignee: Casio Computer Co., Ltd
    Inventors: Yuta Saito, Hideo Takenawa, Hiroyasu Kawaoka, Masaaki Kitahara
  • Patent number: 9252489
    Abstract: A circuit board and a circuit module more accurately provide impedance matching between an antenna coil and an electronic component electrically connected to the antenna coil, and include a board body including board portions and a plurality of laminated insulating material layers made of a flexible material. An antenna coil includes coil conductors provided in the board portion. Wiring conductors are provided in the board portion and electrically connected to the antenna coil. The board portion has a structure that is less likely to deform than the board portion. An integrated circuit electrically connected to the wiring conductors is mounted on the board portion.
    Type: Grant
    Filed: July 14, 2015
    Date of Patent: February 2, 2016
    Assignee: Murata Manufacturing Co. Ltd.
    Inventors: Noboru Kato, Jun Sasaki
  • Patent number: 9252488
    Abstract: The present invention provides an antenna apparatus which can realize favorable communication properties while achieving downsizing of a casing of an electronic device when incorporated in an electronic device. An antenna module (1a) which is incorporated in a mobile phone (130) and which is enabled to perform communication by receiving a magnetic field transmitted from a reader/writer (120) comprises an antenna coil (11a) which is wound in a clearance (132) between an end portion (133b) of a metallic plate (133a) opposing the reader/writer (120) within a casing (131) of the mobile phone (130) and an inner peripheral wall (131a) of the casing (131) so as not to surround an outer peripheral portion of the metallic plate (133a) and which is inductively coupled with the reader/writer (120).
    Type: Grant
    Filed: March 23, 2012
    Date of Patent: February 2, 2016
    Assignee: DEXERIALS CORPORATION
    Inventors: Katsuhisa Orihara, Yoshito Ikeda, Norio Saito, Satoru Sugita
  • Patent number: 9223370
    Abstract: A near field communication device includes an RF power unit that generates an RF power supply voltage through wireless communication with an external communication device, a power detecting unit that detects an output level of a battery connected to the near field communication device, a driving control unit that controls the near field communication device, and a switching control unit that controls a supply of a power supply voltage to the driving control unit from the RF power unit or the battery. The switching control unit controls the supply of the power supply voltage based on at least one of the output level of the battery, a power on/off state of an electronic apparatus including the near field communication device, whether the electronic apparatus is connected to the battery, and whether the RF power supply voltage is generated.
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: December 29, 2015
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Myunggun Kim, HyukJun Sung