Including Balanced Doublet-type Antenna Patents (Class 343/730)
  • Patent number: 9912502
    Abstract: A wireless transmission system includes: a communication unit for transmission; and a communication unit for reception. The communication units for transmission and reception are housed in a housing of the same electronic apparatus, or the communication unit for transmission is housed in a housing of first electronic apparatus and the communication unit for reception is housed in a housing of second electronic apparatus and a wireless signal transmission path enabling wireless information transmission between the communication units is formed between the communication units when the first and the second electronic apparatus are disposed at given positions to be integrated with each other. The communication unit for transmission includes a first carrier signal generating unit and a first frequency converter, and the communication unit for reception includes a second carrier signal generating unit, and a second frequency converter.
    Type: Grant
    Filed: December 16, 2016
    Date of Patent: March 6, 2018
    Assignee: Sony Corporation
    Inventor: Kenichi Kawasaki
  • Patent number: 9864883
    Abstract: Provided are a scanner, a scanning apparatus, and a scanning method for a shelf, capable of scanning articles stored in accommodation spaces of a plurality of layers in the shelf. The scanning apparatus for a shelf is configured in that a scanner having an antenna scans the accommodation spaces in the shelf without a shadow zone while moving along the shelf, thus accurately acquiring location information on the articles in the accommodation spaces.
    Type: Grant
    Filed: January 25, 2013
    Date of Patent: January 9, 2018
    Assignee: HANMI IT CO., LTD.
    Inventor: Chulwoo Jun
  • Patent number: 9853350
    Abstract: An antenna module includes a holder, a first feed portion, a second feed portion, a first antenna unit, and a second antenna unit. The holder includes a top surface, an end surface, and a side surface. The first feed portion is positioned on the top surface. The second feed portion is positioned on the top surface and is spaced from the first feed portion. The first antenna unit is positioned on the top surface and the end surface, and is electrically connected to the first feed portion. The second antenna unit is spaced from the second antenna unit and is positioned on the top surface and the side surface. The second antenna unit is electrically connected to the second feed portion. The first feed portion and the second feed portion respectively feed current to the first antenna unit and the second antenna unit.
    Type: Grant
    Filed: March 29, 2016
    Date of Patent: December 26, 2017
    Assignee: Chiun Mai Communication Systems, Inc.
    Inventors: Jin-Bo Chen, Cheng-An Chen, Chih-Wei Liao
  • Patent number: 9812764
    Abstract: An RFID tag includes an antenna element and a feed device. The antenna element includes a base sheet and a coil conductor on the upper surface thereof. The feed device includes a feed element and an RFIC. The feed element includes a base sheet and a first coil conductor and a second coil conductor on the upper surface of the base sheet. The first coil conductor and the second coil conductor are arranged on the base sheet such that magnetic flux generated in the first coil conductor and the second coil conductor constitutes a closed magnetic circuit. The feed device is adhered to a coupling portion of the antenna element. As a result, the RFIC is strongly coupled to the antenna element.
    Type: Grant
    Filed: November 30, 2016
    Date of Patent: November 7, 2017
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventor: Noboru Kato
  • Patent number: 9755312
    Abstract: The present application discloses antenna device including first and second antenna elements which communicate radio waves; housing which stores processor for processing signals in response to the radio waves; first and second element covers for storing first and second antenna elements, respectively. First element cover includes first rotary cylinder, which is held by housing and rotatable around first rotational axis, and first protruding cylinder, which protrudes from first rotary cylinder, first rotary cylinder protruding from housing along first rotational axis. Second element cover includes second rotary cylinder, which is held by housing and rotatable around second rotational axis, and second protruding cylinder, which protrudes from second rotary cylinder, second rotary cylinder protruding from housing along second rotational axis.
    Type: Grant
    Filed: January 15, 2013
    Date of Patent: September 5, 2017
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventor: Yoshishige Yoshikawa
  • Patent number: 9521766
    Abstract: A telecommunications system (10/100) is disclosed herein. The telecommunications system (10/100) includes a chassis (12/112) defining a top end (14/114), a bottom end (16/116), and a generally pyramidal shape, wherein a transverse cross-sectional footprint (28) of the chassis (12/112) changes in outer dimension as the transverse cross-sectional footprint (28) extends from the top end (14/114) to the bottom end (16/116), the telecommunications chassis (12/112) further defining at least one sidewall (30/130, 32/132, 34/134, 36/136), the at least one sidewall (30/130, 32/132, 34/134, 36/136) extending at an angle to both the top end (14/114) and the bottom end (16/116), the at least one sidewall (30/130, 32/132, 34/134, 36/136) defining ports (38) defining connection locations for receiving telecommunications equipment.
    Type: Grant
    Filed: June 7, 2013
    Date of Patent: December 13, 2016
    Assignees: CommScope Connectivity Belgium BVBA, CommScope Asia Holdings B.V.
    Inventors: Didier Pierre W Claeys, Danny Ghislain Thijs, Sebastiaan Roger Neerincx
  • Patent number: 9450292
    Abstract: An antenna with a curved shape may be mounted behind a curved antenna window. The antenna may have an antenna resonating element such as an inverted-F antenna resonating element and may have an antenna ground. The antenna resonating element may be formed from patterned metal traces on a flexible printed circuit. The flexible printed circuit may have ground traces that run along a peripheral edge of the flexible printed circuit. The antenna ground may be formed from a metal can with walls surrounding a cavity having an opening. The metal can may have a lip formed from bent portions of the walls. The flexible printed circuit may be soldered to the lip so that the ground traces are shorted to the can. A cable connector may be mounted on a bent tab in the flexible printed circuit that extends through a notch in the lip.
    Type: Grant
    Filed: June 5, 2013
    Date of Patent: September 20, 2016
    Assignee: Apple Inc.
    Inventors: Erdinc Irci, Jerzy Guterman, Chun-Lung Chen, Mattia Pascolini
  • Patent number: 9225074
    Abstract: An active antenna system for receiving electromagnetic radiation at frequencies below 100 MHz. The system includes a vertical support mast; a front end electronics unit including an active balun, the front end electronics unit affixed to the support mast; two crossed-dipole antennas affixed oriented at about 90 degrees to each other, each crossed-dipole antenna having two arms formed of electrically conductive material, each arm having an isoceles triangular frame with an apex of the frame electrically connected to a feedpoint of the front end electronics unit, each arm also having a longitudinal member extending from the apex to the center of the base of the triangular shape and a cross member extending between sides of the triangular frame. The system can operate independently or as part of a long wavelength array for astronomical radio telescope applications.
    Type: Grant
    Filed: November 5, 2013
    Date of Patent: December 29, 2015
    Assignee: The United States of America, as represented by the Secretary of the Navy
    Inventors: Brian C. Hicks, Kenneth P. Stewart, Tracy Clarke, Nagini P. Dalal, Henrique Schmitt, Paul S. Ray, Stephen J. Burns, Namir E. Kassim, Emil J. Polisensky, Norman R. Mcglothlin, Jr.
  • Patent number: 9198227
    Abstract: In an electronic device in which an electronic component (e.g., an encoder) including an operation body is mounted on a circuit board and a process corresponding to an input operation of the operation body is performed by a control section, a wireless communication processing section and a matching circuit which are provided on the circuit board are connected to each other via a transmission line, and in order to cause a mounting member (a mounting plate and an outer casing) of the electronic component, which is made of metal and is ungrounded, to operate as an antenna, a predetermined position (a leg piece) in the mounting plate and the matching circuit are connected to each other via a transmission line to cause the predetermined position to serve as a power supply section. Thus, a wireless communication function-equipped electronic device for which a dedicated antenna is unnecessary is obtained.
    Type: Grant
    Filed: December 18, 2012
    Date of Patent: November 24, 2015
    Assignee: ALPS ELECTRIC CO., LTD.
    Inventors: Xi Li, Tomotaka Suzuki
  • Patent number: 9196969
    Abstract: A radiating element includes a supporting element and a plurality of radiating units formed at one end of the supporting element. Each of the radiating units has a lower surface facing towards the supporting element and an upper surface facing away from the supporting element. The radiating element further includes a first and second dividing pieces symmetrically disposed on each of the radiating units. The radiating element also includes a loading element formed on the lower surface of each of the plurality of radiating units, wherein the loading element extends outward from the supporting element and along an edge of the radiating unit. Moreover, the radiating element includes an electrical connecting element for connecting the radiating units to a feeding cable, the electrical connecting element being lower than the upper surfaces of the radiating units.
    Type: Grant
    Filed: March 13, 2012
    Date of Patent: November 24, 2015
    Assignee: TONGYU COMMUNICATION, INC.
    Inventors: Zhonglin Wu, Lei Shi, Gang Cheng, Mulin Liu, Zhuofeng Gao
  • Patent number: 9077085
    Abstract: A communication device including a ground element and an antenna system is provided. The antenna system is adjacent to the ground element. The antenna system includes at least a first antenna, a second antenna, a connection element, and a resistive element. The second antenna is adjacent to the first antenna. The connection element includes a first portion and a second portion, wherein the first portion is coupled to the first antenna, and the second portion is coupled to the second antenna. The resistive element is coupled between the first portion and the second portion of the connection element. The connection element and the resistive element increase the isolation between the first antenna and the second antenna.
    Type: Grant
    Filed: February 26, 2013
    Date of Patent: July 7, 2015
    Assignee: ACER INCORPORATED
    Inventors: Kin-Lu Wong, Wun-Jian Lin
  • Patent number: 8907857
    Abstract: A compact multi-antenna, multi-antenna system, and wireless device comprising same are provided. The multi-antenna comprises first, second and third antennas. The second antenna contains the first antenna, and the third antenna contains at least part of the second antenna. The first antenna may be a slot-in-slot or other antenna, the second antenna may be a dipole, and the third antenna may be a dipole or monopole. The multi-antenna system comprises the multi-antenna plus first, second and third transmission systems operatively coupled thereto. The antennas of the multi-antenna and system may be concurrently operated, substantially independently, and may have mutually orthogonal polarizations. Particular antenna and system configurations are also disclosed.
    Type: Grant
    Filed: September 28, 2011
    Date of Patent: December 9, 2014
    Assignee: NETGEAR Inc.
    Inventor: Paul A. Nysen
  • Patent number: 8878727
    Abstract: A hybrid circuit with an integral antenna module, including an electronic circuit that includes circuit elements; and an antenna module including a dielectric material shaped to form a void enclosed by the dielectric material, a conducting patch on one side of the dielectric material. Wherein the circuit elements are enclosed by the dielectric material, so that the elements of the circuit are positioned inside the void formed by the dielectric material.
    Type: Grant
    Filed: February 9, 2010
    Date of Patent: November 4, 2014
    Assignee: Origin GPS Ltd.
    Inventor: Haim Goldberger
  • Patent number: 8860617
    Abstract: A multiband antenna includes one or more first antennas embedded within a second antenna. The one or more first antennas can include a folded dipole, and the second antenna can include a monopole. The folded dipole and the monopole may operate at different resonant frequencies. Because the folded dipole is embedded in the monopole, rather than being a separate antenna, near-field coupling between the antennas may be reduced, resulting in enhanced radiation patterns by one or both antennas. More complex antenna structures can also be constructed having multiple antennas embedded within one or more antennas.
    Type: Grant
    Filed: July 8, 2011
    Date of Patent: October 14, 2014
    Assignee: Trivec-Avant Corporation
    Inventor: John E. Fenick
  • Publication number: 20140266940
    Abstract: An antenna arrangement 10 comprises a first elongate limb 12 and a second elongate limb 14. The first and second elongate limbs converge towards one another at a first electrical connection point 16 and a spaced second anti-phase electrical convection point 18. The first and second limbs collectively forming a closed FIG. 20 with a first appendage 22, a second appendage 24, a third appendage 26 and a fourth appendage 28 to the closed figure.
    Type: Application
    Filed: October 23, 2012
    Publication date: September 18, 2014
    Inventor: Christopher Alfred Wolfgang Vale
  • Patent number: 8818457
    Abstract: A compact antenna includes a main antenna patch. A first feed point and a second feed point connect with the main antenna patch to provide current in the main antenna. Excitation of the first feed point produces polarization in a first direction along the main antenna patch and excitation of the second feed point produces polarization in a second direction different from the first direction.
    Type: Grant
    Filed: September 21, 2011
    Date of Patent: August 26, 2014
    Assignee: Broadcom Corporation
    Inventors: Alfred Grau Besoli, Nick Alexopoulos, Jesus Alfonso Casteneda
  • Patent number: 8786503
    Abstract: A dual purpose antenna is provided with the UHF antenna in the form of a pair of copper tubes to provide an off center fed dipole, with a pair of quadrafiler helix L1 and L2 GPS antennas stacked on top of the UHF antenna, and with the top section of the UHF dipole providing a ground plain for the GPS antenna. The antennas are fed internally by two coaxial feeds, one feeding the UHF antenna, the other passing through the UHF antenna to feed the GPS antennas. In one embodiment, a tuning coil is provided at the base of the UHF antenna by the coiling of the two coaxial feeds around a non-conductive mandrel, with copper taping placed on top of the coiled coaxial sections to provide an LC circuit to lower the resonant frequency of the UHF antenna to 225 MHz.
    Type: Grant
    Filed: May 17, 2012
    Date of Patent: July 22, 2014
    Assignee: BAE Systems Information and Electronic Systems Integration Inc.
    Inventors: John T. Apostolos, Benjamin G. McMahon
  • Publication number: 20140125534
    Abstract: According to an embodiment, an antenna apparatus include a ground plate; a first element disposed along the ground plate; a second element disposed along the first element at an opposing side of the ground plate; a connecting part to connect first and second terminal parts of the first element with first and second terminal parts of the second element, respectively, or to connect the first and second terminal parts of the first element with the ground plate; a first power feeding portion to feed power at a midpoint of the first or second element in a longitudinal direction when the first and second elements are connected together by the connecting part; and a second power feeding portion to feed power to the first element or the ground plate when the first element and the ground plate are connected together by the connecting part.
    Type: Application
    Filed: August 12, 2013
    Publication date: May 8, 2014
    Applicant: FUJITSU LIMITED
    Inventor: Shohei ISHIKAWA
  • Publication number: 20140071006
    Abstract: An antenna is disclosed as including at least one dipole connected with at least one shorted patch antenna, and at least two feeding sources.
    Type: Application
    Filed: September 12, 2012
    Publication date: March 13, 2014
    Applicant: CITY UNIVERSITY OF HONG KONG
    Inventors: Chi Hou CHAN, Hang WONG, Hau Wah LAI, Kwok Kan SO, Kwai Man LUK, Quan XUE
  • Publication number: 20140062812
    Abstract: An interconnection medium for connecting circuitry, including a ground plane; a first balanced antenna located in a first plane, the first plane being parallel to the ground plane; a second balanced antenna located in a second plane, the second plane being parallel to the first plane; wherein the first balanced antenna and the second balanced antenna are configured such that the magnetic field radiated by the first balanced antenna is orthogonal to the magnetic field radiated by the second balanced antenna, and the electrical field radiated by the first balanced antenna is orthogonal to the electric field radiated by the second balanced antenna.
    Type: Application
    Filed: August 30, 2012
    Publication date: March 6, 2014
    Applicant: Cambridge Silicon Radio Limited
    Inventors: Leslie David Smith, Johan Lucas Gertenbach
  • Patent number: 8659500
    Abstract: A multi-antenna for a multi-input multi-output wireless communication system includes a substrate, a first planar antenna formed on the substrate along a first direction, a second planar antenna formed on the substrate along a second direction, and a vertical antenna including a conductor formed on the substrate and between the first planar antenna and the second planar antenna, and a radiator perpendicular to the substrate and coupled to the conductor.
    Type: Grant
    Filed: December 8, 2009
    Date of Patent: February 25, 2014
    Assignee: Ralink Technology Corp.
    Inventor: Min-Chung Wu
  • Patent number: 8604985
    Abstract: The present invention is directed to an antenna system which may serve as a common antenna for multiple avionics systems implemented on-board an aircraft. The antenna system provides horizontal and vertical polarization functionality, while providing high isolation between a first input port of a coupler of the antenna system (the first input port being connected to a first avionics system) and a second input port of the coupler (the second input port being connected to a second avionics system).
    Type: Grant
    Filed: September 13, 2011
    Date of Patent: December 10, 2013
    Assignee: Rockwell Collins, Inc.
    Inventors: Jeremiah D. Wolf, Mark M. Mulbrook, James B. West, Lee M. Paulsen
  • Publication number: 20130215832
    Abstract: A broadband dual-polarized omni-directional antenna and a feeding method using the same are provided. By setting a vertically polarized antenna and a horizontally polarized antenna each in co-axial, the horizontally polarized antenna is attached to an upper surface and a lower surface of the attaching plate respectively by two arms of a folded dipole and the two arms connect to an inner conductor and an outer conductor of a feed line so that the dual-polarized antenna may have a comparatively broad bandwidth. At the same time, since the dual-polarized ceiling antenna has a good isolation effect and coverage balance, it may work as the MIMO antenna in the LTE and WLAN systems effectively and may be used in the 2G and 3G networks to improve the data transmission rate.
    Type: Application
    Filed: October 8, 2011
    Publication date: August 22, 2013
    Inventors: Feng Gao, Huaxing Ma, Peng Gao, Yuan Jiang, Jiwei He, Wentao Zhu, Xu Liu, Dongchen Zhang
  • Patent number: 8493183
    Abstract: The wireless tag includes an antenna conductor; a first power-supply conductor which is electromagnetic-inductively coupled with the antenna conductor; and a second power-supply conductor which is loop-shaped and which is electrically coupled with the first power-supply conductor.
    Type: Grant
    Filed: December 29, 2009
    Date of Patent: July 23, 2013
    Assignee: Fujitsu Limited
    Inventors: Takashi Yamagajp, Toru Maniwa
  • Patent number: 8487821
    Abstract: An antenna includes a dipole radiator region forming a series resonant tank having a first quality factor value Q1, and a loop compensator/radiator region integral with the dipole region and forming a parallel resonant tank having a second quality factor value Q2 that is substantially equal to Q2. The antenna may be a conductive sheet antenna (e.g., comprising copper tape) having a generally “A” shaped structure with a discontinuity in a middle segment.
    Type: Grant
    Filed: June 8, 2009
    Date of Patent: July 16, 2013
    Assignee: Symbol Technologies, Inc.
    Inventors: Mark Duron, Richard Knadle
  • Patent number: 8410982
    Abstract: A unidirectional wireless antenna with a front-to-back ratio of 20 dB comprises a loop antenna and a dipole antenna interconnected by a metallic element and printed on a printed circuit board. The antenna is small in size but provides good unidirectional transmission.
    Type: Grant
    Filed: October 23, 2008
    Date of Patent: April 2, 2013
    Assignee: City University of Hong Kong
    Inventors: Edward Kai Ning Yung, Pak Wai Chan, Hang Wong
  • Publication number: 20130078935
    Abstract: A compact multi-antenna, multi-antenna system, and wireless device comprising same are provided. The multi-antenna comprises first, second and third antennas. The second antenna contains the first antenna, and the third antenna contains at least part of the second antenna. The first antenna may be a slot-in-slot or other antenna, the second antenna may be a dipole, and the third antenna may be a dipole or monopole. The multi-antenna system comprises the multi-antenna plus first, second and third transmission systems operatively coupled thereto. The antennas of the multi-antenna and system may be concurrently operated, substantially independently, and may have mutually orthogonal polarizations. Particular antenna and system configurations are also disclosed.
    Type: Application
    Filed: September 28, 2011
    Publication date: March 28, 2013
    Inventor: Paul A. Nysen
  • Publication number: 20130009832
    Abstract: A dual purpose antenna is provided with the UHF antenna in the form of a pair of copper tubes to provide an off center fed dipole, with a pair of quadrafiler helix L1 and L2 GPS antennas stacked on top of the UHF antenna, and with the top section of the UHF dipole providing a ground plain for the GPS antenna. The antennas are fed internally by two coaxial feeds, one feeding the UHF antenna, the other passing through the UHF antenna to feed the GPS antennas. In one embodiment, a tuning coil is provided at the base of the UHF antenna by the coiling of the two coaxial feeds around a non-conductive mandrel, with copper taping placed on top of the coiled coaxial sections to provide an LC circuit to lower the resonant frequency of the UHF antenna to 225 MHz.
    Type: Application
    Filed: May 17, 2012
    Publication date: January 10, 2013
    Inventors: John T. Apostolos, Benjamin G. McMahon
  • Patent number: 8350768
    Abstract: The invention concerns a multi-layer film element (1) and a process for the production of such a film element. The multi-layer film element (1) has at least one flexible dielectric layer (16) and one or more electrically conductive layers (15, 17) each comprising an electrically conductive material. The layer thickness of the electrically conductive layer or layers is in each case less than 20 ?m. The electrically conductive layer or layers are shaped in pattern form for forming two or more conductor structures which are coupled together to afford an antenna structure galvanically connected to an electric circuit (19).
    Type: Grant
    Filed: June 2, 2008
    Date of Patent: January 8, 2013
    Assignee: Leonhard Kurz Stiftung & Co. KG
    Inventor: John Anthony Peters
  • Publication number: 20130002497
    Abstract: An antenna apparatus includes a dipole antenna, a first monopole antenna and a second monopole antenna, each formed in a form of a conductor pattern on an insulating substrate. A fifth portion of the first monopole antenna and a seventh portion of the second monopole antenna are formed to be adjacent to and to be substantially parallel to a grounding conductor provided outside the antenna apparatus. The fifth portion includes a loop portion, and the seventh portion includes a loop portion.
    Type: Application
    Filed: August 28, 2012
    Publication date: January 3, 2013
    Inventor: Taichi HAMABE
  • Patent number: 8330666
    Abstract: A multiband antenna includes a first radio unit closed loop and a second radio unit connected to the first radio unit and symmetrical structure. When the multiband antenna functions, the first radio unit functions as a balanced loop antenna, and the second radio unit functions as a dipole antenna.
    Type: Grant
    Filed: January 26, 2010
    Date of Patent: December 11, 2012
    Assignee: Chi Mei Communications Systems, Inc.
    Inventors: Tun-Yuan Tsou, Yi-Chieh Lee
  • Publication number: 20120218156
    Abstract: An on-frequency repeater includes: an electrical conductor groundplane having first and second opposing surfaces on first and second sides of the groundplane, respectively; and an antenna system including directional antennas of different types, the antenna system including: a donor antenna array including donor dipoles disposed on the first side of the groundplane and displaced a first distance from the first surface, the donor dipoles being disposed parallel to each other; a coverage antenna array including a plurality of coverage dipoles disposed on the second side of the groundplane and displaced a second distance from the second surface, the coverage dipoles being disposed parallel to each other and transverse to the donor dipoles; a quantity of baluns and a corresponding quantity of feed conductors extending away from the groundplane and configured to electromagnetically feed respective ones of the donor dipoles and coverage dipoles.
    Type: Application
    Filed: August 31, 2011
    Publication date: August 30, 2012
    Applicant: QUALCOMM Incorporated
    Inventor: Alireza Hormoz Mohammadian
  • Patent number: 8253638
    Abstract: An easily transportable multiband antenna array. The antenna array is fabricated on a multi-sided structure, such as a four-sided cube, made from a wire frame and fabric. The multi-sided structure is constructed so that it may be folded by first folding the faces against each other, and then twisting them to form a stack of loops. The antenna elements are fabricated on the faces, and comprise at least a loop antenna around the perimeter of each face, and a bow-tie antenna attached to each face. The antenna elements are fabricated and attached so that they do not inhibit the folding of the structure.
    Type: Grant
    Filed: May 26, 2010
    Date of Patent: August 28, 2012
    Assignee: Southwest Research Institute
    Inventors: Patrick J. Siemsen, Robert R. King
  • Patent number: 8217846
    Abstract: The present invention is directed to a dielectric radiating element. The dielectric element may include a ground plane connected to a dielectric superstrate. The dielectric superstrate includes multiple dipole layers which include metamaterials and dipoles. The ground plane is configured with a horizontal polarization slot and a plurality of vertical polarization slots. The ground plane is further configured for receiving electrical signals from a power transmission assembly and radiating electromagnetic waves via the polarization slots based upon the received electrical signals. The electromagnetic waves may be transmitted or radiated from the ground plane, may pass through the dielectric superstrate and may then be radiated from the dielectric radiating element. The dielectric radiating element is a dual-polarized radiating element configured with coincident phase centers.
    Type: Grant
    Filed: December 21, 2009
    Date of Patent: July 10, 2012
    Assignee: Rockwell Collins, Inc.
    Inventor: Michael J. Buckley
  • Patent number: 8179329
    Abstract: A composite antenna achieves favorable radiation characteristics and favorable communication performance, and can be used in short distance communication as well as long distance communication. The composite antenna includes a dipole antenna having an elongated shape, a loop antenna including at least one pair of opposing end portions, and a connection portion arranged to connect the dipole antenna and a point of the loop antenna at which the amplitude of a current flowing in the loop antenna has a maximum value. The dipole antenna performs long distance communication utilizing an electric field, and the loop antenna performs short distance communication utilizing a magnetic field. This composite antenna may be used as a wireless IC device in RFID systems.
    Type: Grant
    Filed: July 29, 2010
    Date of Patent: May 15, 2012
    Assignee: Murata Manufacturing Co., Ltd.
    Inventor: Noboru Kato
  • Publication number: 20110291900
    Abstract: An easily transportable multiband antenna array. The antenna array is fabricated on a multi-sided structure, such as a four-sided cube, made from a wire frame and fabric. The multi-sided structure is constructed so that it may be folded by first folding the faces against each other, and then twisting them to form a stack of loops. The antenna elements are fabricated on the faces, and comprise at least a loop antenna around the perimeter of each face, and a bow-tie antenna attached to each face. The antenna elements are fabricated and attached so that they do not inhibit the folding of the structure.
    Type: Application
    Filed: May 26, 2010
    Publication date: December 1, 2011
    Applicant: SOUTHWEST RESEARCH INSTITUTE
    Inventors: Patrick J. SIEMSEN, Robert R. KING
  • Patent number: 8059046
    Abstract: A diversity antenna for use with a portable host device such as a laptop computer, for example as part of a PCMCIA card pluggable into the laptop computer to enable wireless computer by the laptop computer, includes a main antenna and a diversity antenna. Various configurations for these antennas are possible, including the use of a balanced dipole as the main antenna element and a split diversity antenna for the diversity antenna element. The diversity antenna provides high isolation between the antenna elements and isolation from interfering self-noise generated by the host device.
    Type: Grant
    Filed: September 3, 2008
    Date of Patent: November 15, 2011
    Assignee: Sierra Wireless, Inc.
    Inventor: Paul A. Nysen
  • Patent number: 8049671
    Abstract: A diversity antenna for use with a portable host device such as a laptop computer, for example as part of a PCMCIA card pluggable into the laptop computer to enable wireless computer by the laptop computer, includes a main antenna and a diversity antenna. Various configurations for these antennas are possible, including the use of a balanced dipole as the main antenna element and a split diversity antenna for the diversity antenna element. The diversity antenna provides high isolation between the antenna elements and isolation from interfering self-noise generated by the host device.
    Type: Grant
    Filed: September 3, 2008
    Date of Patent: November 1, 2011
    Assignee: Sierra Wireless, Inc.
    Inventor: Paul A. Nysen
  • Publication number: 20110215156
    Abstract: A security tag incorporating a hybrid clamp that combines an attachment clamp with an RFID component. The attachment clamp is used to secure an item, such as an article of clothing, to the tag. The RFID component, e.g., an RFID antenna, transmits data signals to an RFID reader where the data signals are encoded with information stored about the security tag. By combining the attachment features and RFID features of the security tag in one hybrid clamp, more tag space can be freed up for other components and manufacturing cost savings can be realized.
    Type: Application
    Filed: March 1, 2011
    Publication date: September 8, 2011
    Applicant: SENSORMATIC ELECTRONICS, LLC
    Inventors: William JOHNSON, II, Thomas Patrick SOLASKI, Danhui LUO
  • Patent number: 7961148
    Abstract: A circuit with an integral antenna, including a hybrid circuit on a substrate, a patch antenna that is adapted to be positioned at a pre-selected distance above the hybrid circuit and coupled to the hybrid circuit to form a single physical unit, a feeder that electronically connects between the hybrid circuit and the patch antenna.
    Type: Grant
    Filed: March 29, 2007
    Date of Patent: June 14, 2011
    Inventor: Haim Goldberger
  • Patent number: 7956815
    Abstract: A low-profile antenna structure can control its directivity with great flexibility. Excited elements 11 and 12 are symmetrically arranged on a y-axis, whereas parasitic elements 13 and 14 are symmetrically arranged on an x-axis, with respect to an origin. The excited elements, as well as the parasitic elements, each have an inverted-F antenna structure and are a distance of ?/4 apart from each other. Feed circuits 21 and 22 are respectively connected to and feed signals to the excited elements 11 and 12, such that phases of the signals to be fed are different from each other by a desired degree. Variable reactors 23 and 24 (i) are respectively connected to the parasitic elements 13 and 14, and (ii) in accordance with reactance values thereof, can each change an electrical length of the corresponding one of the parasitic elements.
    Type: Grant
    Filed: January 4, 2008
    Date of Patent: June 7, 2011
    Assignee: Advanced Telecommunications Research Institute International
    Inventors: Masataka Ohira, Wuqiong Luo, Makoto Taroumaru, Amane Miura, Shigeru Saito, Masazumi Ueba, Takashi Ohira
  • Patent number: 7956816
    Abstract: The invention relates to a portable compact antenna formed from a first dipole type radiating element operating in a first frequency band and comprising a first and at least one second conductive arm, differentially supplied, the first arm, referred to as cold arm, forming at least one cover for an electronic card and the second arm, referred to as hot arm, being linked to the cold arm at the level of the supply. According to the invention, the hot arm comprises at least one slot resonating in a second frequency band such as the GSM band.
    Type: Grant
    Filed: May 4, 2007
    Date of Patent: June 7, 2011
    Assignee: Thomson Licensing
    Inventors: Philippe Minard, Jean-Francois Pintos, Ali Louzir
  • Publication number: 20110006960
    Abstract: A tripolar antenna is described having at least two electromagnetic signal transmitting/receiving elements arranged such that their axes of signal transmission/reception sensitivity are not parallel, wherein said elements are provided on or at least partially in a substrate of dielectric material so portions of said at least two elements are coplanar and dielectrically isolated from one another. In a preferred arrangement, two dipoles are provided on the substrate in perpendicular orientation and in the plane containing of the surface of said dielectric material. Most preferably a further third element is provided so as to render the antenna tripolar, said third element comprising a first circular disk element secured to an upper surface of the dielectric material, and a second slightly larger circular disk element, concentrically positioned on the corresponding opposite and lower surface of the dielectric.
    Type: Application
    Filed: January 2, 2008
    Publication date: January 13, 2011
    Inventors: David J. Edwards, Tong Hao, Wasim Q. Malik, Christopher J. Stevens
  • Publication number: 20110006956
    Abstract: The invention is a passive parabolic antenna system for use with conventional subscriber module radio antennas. The passive parabolic antenna system includes a microwave feed assembly that forms a resonant cavity coupling device for coupling to an internal patch antenna of a conventional subscriber module radio antenna. A method of boosting signal strength of a conventional subscriber module radio antenna and a wireless communication system are also disclosed.
    Type: Application
    Filed: September 21, 2010
    Publication date: January 13, 2011
    Inventor: James Charles McCown
  • Publication number: 20100309068
    Abstract: An antenna includes a dipole radiator region forming a series resonant tank having a first quality factor value Q1, and a loop compensator/radiator region integral with the dipole region and forming a parallel resonant tank having a second quality factor value Q2 that is substantially equal to Q2. The antenna may be a conductive sheet antenna (e.g., comprising copper tape) having a generally “A” shaped structure with a discontinuity in a middle segment.
    Type: Application
    Filed: June 8, 2009
    Publication date: December 9, 2010
    Applicant: SYMBOL TECHNOLOGIES, INC.
    Inventors: Mark Duron, Richard Knadle
  • Publication number: 20100302112
    Abstract: An antenna for circular polarization having an electrical dipole radiator which is oriented essentially parallel to an electrically conductive base surface in a plane of symmetry SE oriented perpendicular to the electrically conductive base surface. The dipole is in connection with a slot radiator which is configured in an electrically conductive base surface, with its longitudinal expanse along the intersection line between the plane of symmetry SE and the electrically conductive base surface. The slot radiator connection location is formed by means of connection points situated at the longitudinal edges and lying opposite one another. The electrical dipole radiator and the slot radiator are tuned to one another in their resonance frequencies.
    Type: Application
    Filed: May 24, 2010
    Publication date: December 2, 2010
    Applicant: DELPHI DELCO ELECTRONICS EUROPE GMBH
    Inventors: Stefan LINDENMEIER, Heinz LINDENMEIER, Jochen HOPF, Leopold REITER
  • Publication number: 20100283694
    Abstract: A composite antenna achieves favorable radiation characteristics and favorable communication performance, and can be used in short distance communication as well as long distance communication. The composite antenna includes a dipole antenna having an elongated shape, a loop antenna including at least one pair of opposing end portions, and a connection portion arranged to connect the dipole antenna and a point of the loop antenna at which the amplitude of a current flowing in the loop antenna has a maximum value. The dipole antenna performs long distance communication utilizing an electric field, and the loop antenna performs short distance communication utilizing a magnetic field. This composite antenna may be used as a wireless IC device in RFID systems.
    Type: Application
    Filed: July 29, 2010
    Publication date: November 11, 2010
    Applicant: MURATA MANUFACTURING CO., LTD.
    Inventor: Noboru KATO
  • Publication number: 20100259456
    Abstract: A multi-layer reactively loaded isolated magnetic (IMD) dipole with improved bandwidth and efficiency characteristics to be used in wireless communications and other applicable systems. The multi-layer IMD antenna comprises a first element positioned above a ground plane, a second element positioned above a ground plane and coupled to the first portion. Reactive components are integrated into one or both elements to optimize the frequency response of the antenna. The range of frequencies covered to be determined by the shape, size, and number of elements in the physical configuration of the components. Portions of or the entire ground plane can be removed beneath the elements.
    Type: Application
    Filed: April 12, 2010
    Publication date: October 14, 2010
    Applicant: ETHERTRONICS, INC
    Inventors: Laurent Desclos, Sebastian Rowson, Jeffrey Shamblin, Young Cha, Chulmin Han, Byoeng Sug Kwak
  • Publication number: 20100194651
    Abstract: A multi-input multi-output antenna according to the present invention comprises a dipole antenna and a multi-slot antenna for inputting and outputting signals; wherein the multi-slot antenna has at least one metal sheet having an L-shaped section, which has a bend formed in the middle part thereof and has a vertical section and a horizontal section provided on the both sides respectively, and a slot which connects the vertical section and the horizontal section is disposed on the metal sheet, and the vertical section and the horizontal section have a notch having an opening formed therein respectively; thereby to make up an antenna capable of effectively isolating an input frequency from an output frequency without interfering with signals.
    Type: Application
    Filed: May 6, 2008
    Publication date: August 5, 2010
    Inventor: Shi-Lin Huang
  • Publication number: 20100182211
    Abstract: The invention concerns a multi-layer film element (1) and a process for the production of such a film element. The multi-layer film element (1) has at least one flexible dielectric layer (16) and one or more electrically conductive layers (15, 17) each comprising an electrically conductive material. The layer thickness of the electrically conductive layer or layers is in each case less than 20 ?m. The electrically conductive layer or layers are shaped in pattern form for forming two or more conductor structures which are coupled together to afford an antenna structure galvanically connected to an electric circuit (19).
    Type: Application
    Filed: June 2, 2008
    Publication date: July 22, 2010
    Applicant: LEONHARD KURZ STIFTUNG & CO. KG
    Inventor: John Anthony Peters