With Plural Antennas Patents (Class 343/853)
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Patent number: 8354973Abstract: A phased array antenna is disclosed where the transmit/receive modules are replaced by a series of separately packaged components. The components include, for example, a vector control component, a high power amplifier component, a low noise amplifier component, a transmit/receive duplexing component and ancillary supporting components. An advantage of this arrangement is that cheaper antenna arrays can be constructed without limiting the capability and/or performance of a system incorporating such an array when compared to known solutions.Type: GrantFiled: August 14, 2008Date of Patent: January 15, 2013Assignee: Selex Galileo LtdInventors: Anthony Kinghorn, Ronald Lyon, Angus David McLachlan, Graeme Dick Morrison
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Publication number: 20130009842Abstract: An electronic device (100) includes an antenna system (150) having two antennas (110, 120). A first antenna (110) has a first antenna element (111) positioned outside a first corner (191) of a planar, rectangular ground plane (165) and a second antenna element (115) positioned outside a second corner of the ground plane that is diagonally across from the first corner. A second antenna (120) has a third antenna element (121) positioned near a third corner (193) of the ground plane that is adjacent to the first corner and a fourth antenna element (125) positioned near a fourth corner (195) of the ground plane that is diagonally across from the third corner. At low-band frequencies, the antenna elements (111, 115) of the first antenna (110) are driven out-of-phase relative to each other. Similarly, at low-band frequencies, the antenna elements (121, 125) of the second antenna (120) are driven out-of-phase relative to each other.Type: ApplicationFiled: September 14, 2012Publication date: January 10, 2013Applicant: Motorola Mobility LLCInventors: Hugh K. Smith, Eric L. Krenz, Karan J. Jumani, Andrew A. Efanov
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Publication number: 20130009841Abstract: A broadband-operable impedance filter has capacitive elements of variable capacitance in the signal path, an inductive element in a parallel path connected in parallel to the signal path, and inductive elements in the ground path. The impedance filter allows communication in a first frequency band and the reception of HF signals in a second frequency band.Type: ApplicationFiled: February 16, 2011Publication date: January 10, 2013Applicant: EPCOS AGInventors: Edgar Schmidhammer, Pasi Tikka
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Patent number: 8351849Abstract: A wireless communication device includes a transceiver configured for communication using multiple radio access technologies. An antenna array is coupled to the transceiver, and includes a first antenna element and a second antenna element. A control circuit is operable to detect an available one of the radio access technologies based on a wireless signal received at the antenna array, and is operable to automatically alter a configuration of the antenna array by switching the first and/or second antenna elements between active and inactive states responsive to detection of the available one of the radio access technologies. Related methods of operation are also discussed.Type: GrantFiled: August 23, 2010Date of Patent: January 8, 2013Assignee: Sony Ericsson Mobile Communications ABInventor: Zhinong Ying
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Patent number: 8350767Abstract: Described are a notch antenna and an array antenna based on a low profile stripline feed. The notch antenna includes a planar dielectric substrate having upper and lower surfaces. Each surface has a conductive layer with an opening therein. A notch antenna element is disposed on the conductive layer of the upper surface at the opening. A stripline embedded in the planar dielectric substrate extends under the notch antenna element. The stripline is adapted to couple an RF signal between the stripline and the notch antenna element. A conductive via is electrically coupled to the stripline and extends from the stripline to the opening in the conductive layer on the lower surface so that the RF signal is accessible at the lower surface.Type: GrantFiled: May 23, 2008Date of Patent: January 8, 2013Assignee: Massachusetts Institute of TechnologyInventors: Glenn A. Brigham, Marat Davidovitz, Zhanna Davidovitz, legal representative, Sean M. Duffy, Jeffrey Herd
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Publication number: 20130002496Abstract: An apparatus for providing transdermal wireless communication includes medical implant circuitry; a transceiver coupled to the medical implant circuitry; a first metal surface having an end portion and a base portion; a second metal surface parallel to the first metal surface and connected to the first metal surface by a conductor, the second metal surface being separated from the first metal surface by a dielectric layer; a first radiating element tuned to a first frequency and disposed within the dielectric layer between the first metal surface and second metal surface; and a feed structure in electrical communication with the transceiver and the first radiating strip. The first radiating element has a first reactive portion at a first end thereof, a second reactive portion at a second end thereof, and a first radiating strip extending between the first reactive portion and the second reactive portion.Type: ApplicationFiled: September 11, 2012Publication date: January 3, 2013Applicant: MICROCHIPS, INC.Inventors: Vincent Utsi, Mark Norris, Jean-Daniel Richerd
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Publication number: 20130002505Abstract: The present invention relates to a multiband antenna specifically adapted for use with a Base Station Antenna (“BSA”). The present invention provides narrow azimuth or horizontal beamwidth (“HBW”) having 45 degrees and operational over four frequency bands. The composite antenna topology and associated circuitry described in embodiments achieves reduced antenna installation requirements and allows for ease of network deployment or reconfiguration at reduced cost. Embodiments employ an array of low band radiating elements and two sets of high band radiating elements. The first set is co-located within an array of low band radiating elements. The second set of is offset and outside the low band radiating elements. An RF feed network energizes the first and second set of high band radiating elements to compensate for interference between the high and low band elements.Type: ApplicationFiled: June 12, 2012Publication date: January 3, 2013Inventors: ANTHONY TEILLET, HING KAN
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Patent number: 8340619Abstract: In one embodiment, a local oscillator (LO) is configured to generate an LO signal. A transmission line receives the LO signal from the local oscillator and transmits the LO signal. A first set of taps and a second set of taps tap the transmission line to receive the LO signal. A plurality of transceiver blocks are configured to receive and transmit a plurality of phase-shifted radio frequency signals. Each transceiver block is coupled to a first tap and a second tap. Each LO signal received for a transceiver block is received with a different phase. However, the same reference phase may be calculated from a first LO signal received from the first tap and a second LO signal received from a second tap. Each transceiver block receives the reference LO signal having the reference phase determined from the first LO signal and the second LO signal.Type: GrantFiled: January 28, 2010Date of Patent: December 25, 2012Assignee: Marvell International Ltd.Inventors: Alireza Shirvani-Mahdavi, Saeed Chehrazi
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Patent number: 8339327Abstract: A circularly-polarized antenna is provided, and includes a conductive backplane with a plurality of panels, a vertical array of patch radiators disposed on one of the backplane panels, and a feed stripline disposed on the backplane panel. The backplane panels are vertical, planar, rectangular and form a right prism. The vertical array has a radiator spacing of one wavelength, each radiator has a face and four edges, and each edge has a length of approximately one half wavelength. The feed stripline includes an input coupled to a coaxial feed cable, and a pair of outputs, orthogonal in position and phase, coupled to each of the radiators.Type: GrantFiled: June 3, 2010Date of Patent: December 25, 2012Assignee: SPX CorporationInventors: John L. Schadler, Andre Skalina
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Publication number: 20120319920Abstract: The present invention relates to a node (1) in a wireless communication system, the node (1) comprising at least one antenna (2) which comprises an even number (A) of antenna ports (3, 4, 5, 6), at least four, where each antenna port (3, 4, 5, 6) is associated with a corresponding polarization (P1, P2), beam-width and phase center. The antenna ports (3, 4, 5, 6) are connected to a reconfiguration network (7) which is arranged for pair-wise linear combination of antenna ports (3, 4, 5, 6) of mutually orthogonal polarizations to a number (B) of virtual antenna ports (8, 9), which number (B) is equal to half the number (A) of antenna ports (3, 4, 5, 6). The virtual antenna ports (8, 9) correspond to virtual antennas and are connected to corresponding radio branches (10, 11). The present invention also relates to a corresponding method.Type: ApplicationFiled: February 25, 2010Publication date: December 20, 2012Applicant: Telefonaktiebolaget L M Ericsson (Publ)Inventors: Fredrik Athley, Sven Petersson
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Publication number: 20120319916Abstract: A distributed antenna system (DAS) is described, including a wide band antenna device having respective transmit and receive antennas disposed in a single package and arranged to provide mutual isolation so that in use noise from the transmit antenna is isolated from the transmit antenna, whereby reception is possible at a frequency the same as transmission.Type: ApplicationFiled: February 12, 2009Publication date: December 20, 2012Applicant: Zinwave LimitedInventors: Trevor Gears, Zafer Boz, Graham Ronald Howe, Emiliano Mezzarobba, Benedict Russell Freeman, Andrew Robert Bell
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Publication number: 20120319919Abstract: A PIFA (Planar Inverted-F Antenna) array antenna has multiple PIFAs. The PIFA array is used to provide different radiation patterns for communication. A signal being emitted by the PIFA array is manipulated. According to the manipulation, the PIFA array may emit the signal with an omni-directional radiation pattern or a directional radiation pattern; the same PIFA array (antenna) is used for both directional communication and omni-directional communication. The PIFA array may be used in mobile computing devices, smart phones, or the like, allowing such devices to transmit directionally and omni-directionally. The signal manipulation may involve splitting the signal into components that feed PIFAs, and before the components reach the PIFAs, changing properties of the components (e.g., phase) relative to each other.Type: ApplicationFiled: June 17, 2011Publication date: December 20, 2012Applicant: MICROSOFT CORPORATIONInventors: Darko Kirovski, Gerald DeJean, Miller Abel, Yingyi Zou, Craig Brenner
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Publication number: 20120319921Abstract: A communication device is disclosed that includes an antenna apparatus including a feeding portion, a looped antenna element connected to the feeding portion, and a resistor inserted into the looped antenna element, and a communication circuit configured to process data that is transmitted and received via the antenna apparatus.Type: ApplicationFiled: August 23, 2012Publication date: December 20, 2012Inventors: Masahiro Yanagi, Shigemi Kurashima, Takashi Arita
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Patent number: 8330668Abstract: An antenna adapted for wireless networks and having a variably controlled stagger antenna array architecture is disclosed. The antenna array contains a plurality of driven radiating elements that are spatially arranged having each radiating element or element groups orthogonally movable relative to a main vertical axis so as to provide a controlled variation of the antenna array's azimuth radiation pattern.Type: GrantFiled: April 3, 2008Date of Patent: December 11, 2012Assignee: Powerwave Technologies, Inc.Inventors: Gang Yi Deng, Bill Vassilakis, Matthew J. Hunton, Alexander Rabinovich, Nando Hunt
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Publication number: 20120306718Abstract: A first connection circuit (108) is controlled so as to cancel mutual coupling impedance existing between a first antenna element (106) and a second antenna element (107) at a first frequency band, thereby lessening deterioration of coupling between the antenna elements. A second connection circuit (111) is controlled so as to cancel mutual coupling impedance existing between a first passive element (109) and a second passive element (110) at a second frequency band, thereby lessening deterioration of coupling between the passive elements. By means of the configuration, it is possible to implement a low-coupling antenna that operates at two frequency bands in a wireless mobile terminal.Type: ApplicationFiled: February 18, 2011Publication date: December 6, 2012Applicant: PANASONIC CORPORATIONInventors: Yoshio Koyanagi, Hiroshi Satou, Tomoaki Nishikido
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Publication number: 20120306698Abstract: An apparatus, system, and method are disclosed for wireless communications. A planar antenna element is disposed on a surface of a substrate. The planar antenna element comprises an electrically conductive material. The substrate comprises a dielectric material. The planar antenna element may be arranged in a planar antenna array as a feed for a reflector antenna or as an aperture array. The planar antenna element may comprise a slot patch antenna element with a slot in the electrically conductive material of the planar antenna element circumscribing the planar antenna element. The slot exposes the dielectric material of the substrate. A ground plane may be disposed on the surface of the substrate. The ground plane comprises an electrically conductive material. The slot may be disposed between the ground plane and the patch antenna element. The substrate may include electronic components for beam steering, upconversion, downconversion, amplification, or other functions.Type: ApplicationFiled: June 4, 2012Publication date: December 6, 2012Applicant: BRIGHAM YOUNG UNIVERSITYInventors: Karl F. Warnick, Zhenchao Yang
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Patent number: 8325092Abstract: A microwave antenna having an electrically nonconductive substrate with a top and bottom side. A radiator array having a plurality of rows of radiator patches is disposed on the top side of the substrate while an input feed line and power divider network are disposed on the bottom side of the substrate. The power divider network includes a plurality of ends wherein each end is adapted for electrical connection through a via formed through the substrate to the end of its associated row in the radiator array. An electrically conductive layer is disposed over a portion of the top side of the substrate so that the electrically conductive layer overlies the power divider network and shields the power divider network from the radiator array.Type: GrantFiled: July 22, 2010Date of Patent: December 4, 2012Assignees: Toyota Motor Engineering & Manufacturing North America, Inc., Georgia Tech Research CorporationInventors: Jae Seung Lee, Paul D. Schmalenberg, Amin Rida, Ronglin Li, Emmanouil M. Tentzeris
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Patent number: 8325632Abstract: A front end circuit for coupling a plurality of antennas to a multi-channel time domain duplex RF transceiver is disclosed. The front end circuit has a first transmit port, a first receive chain primary port, a first receive chain secondary ports, and a first antenna port connectible to a first one of the plurality of antennas. The front end circuit also has a second transmit port, a second receive chain primary port, and a second receive chain secondary port connectible to a second one of the plurality of antennas. A first switch has terminals connected to the first transmit port, the first receive chain primary port, and the second receive chain secondary port, as well as a common terminal that is connected to the first antenna port. Additionally, the front end circuit has a second switch that has terminals connected to the second transmit port, the second receive chain primary port and the first receive chain secondary port, and a common terminal connected to the second antenna port.Type: GrantFiled: July 7, 2009Date of Patent: December 4, 2012Assignee: RFaxis, Inc.Inventor: Oleksandr Gorbachov
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Publication number: 20120293390Abstract: A converged network is described. The converged network includes a distributed antenna system hub coupled to the communication lines for wireless communications, horizontal cabling to carry communication lines for wired communications and wireless communications and a remote socket. The horizontal cabling is a duct that carries the wired and wireless communication lines to convey the telecommunication signals within the building. The remote socket connects the wireless communication lines with a remote electronics unit. In addition, one or more antennas can also be coupled to the remote socket to convey analog RF electrical radiation from the remote socket over adhesive backed coaxial cabling to the indoor environment.Type: ApplicationFiled: May 14, 2012Publication date: November 22, 2012Inventors: Curtis L. Shoemaker, Paul H. Benson, Stephen Paul LeBlanc, Laylonie L. Le Van-Etter, Kurt H. Petersen
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Publication number: 20120293385Abstract: The present disclosure discloses an antenna device, which comprises an array antenna and a power divider. The array antenna comprises a plurality of antenna units, and each of the antenna units comprises a conductive sheet engraved with a groove topology pattern, conductive feeding points and a feeder line. The power divider is adapted to divide a baseband signal into a plurality of weighted signals and then transmit the weighted signals to the antenna units arranged in an array via the conductive feeding points respectively. By arraying the antenna units and using the beam forming method, the directionality of the antenna can be designed as needed through phase superposition between the antenna units; and then, a reflective metal plate is provided on the back side of the antenna so that a back lobe of the antenna is compressed. In this way, the miniaturized antenna array can obtain a high directionality.Type: ApplicationFiled: September 30, 2011Publication date: November 22, 2012Inventors: Ruopeng Liu, Guanxiong Xu, Songtao Yang, Yuefeng Li
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Patent number: 8314749Abstract: A wireless device having vertically and horizontally polarized antenna arrays can operate at multiple frequencies concurrently. A horizontally polarized antenna array allows for the efficient distribution of RF energy in dual bands using, for example, selectable antenna elements, reflectors and/or directors that create and influence a particular radiation pattern. A vertically polarized array can provide a high-gain dual band wireless environment using reflectors and directors as well. The polarized horizontal antenna arrays and polarized vertical antenna arrays can operate concurrently to provide dual band operation simultaneously.Type: GrantFiled: September 22, 2011Date of Patent: November 20, 2012Assignee: Ruckus Wireless, Inc.Inventors: Victor Shtrom, William Kish, Bernard Baron
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Patent number: 8314748Abstract: An antenna system includes a heptagonal antenna array having one center antenna element and seven circumferentially surrounding antenna elements offering improved near and far sidelobe rejection, which is well suited for mechanically-gimbaled and time delayed electrical steering antenna applications.Type: GrantFiled: March 9, 2010Date of Patent: November 20, 2012Assignee: The Aerospace CorporationInventors: David A. Ksienski, Walter L. Bloss, Eric K. Hall, II, James P. McKay
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Publication number: 20120287011Abstract: An electronic device (100) includes an antenna system (150) having two antennas (110, 120). A first antenna (110) has a first antenna element (111) positioned near a first corner (191) of a planar, rectangular ground plane (165) and a second antenna element (115) positioned near a second corner of the ground plane that is diagonally across from the first corner. A second antenna (120) has a third antenna element (121) positioned near a third corner (193) of the ground plane that is adjacent to the first corner and a fourth antenna element (125) positioned near a fourth corner (195) of the ground plane that is diagonally across from the third corner. At low-band frequencies, the antenna elements (111, 115) of the first antenna (110) are driven out-of-phase relative to each other. Similarly, at low-band frequencies, the antenna elements (121, 125) of the second antenna (120) are driven out-of-phase relative to each other.Type: ApplicationFiled: May 13, 2011Publication date: November 15, 2012Applicant: MOTOROLA MOBILITY, INC.Inventors: Hugh K. Smith, Eric L. Krenz, Karan J. Jumani, Andrew A. Efanov
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Publication number: 20120287012Abstract: A multi-band compatible multi-antenna device which is miniaturized by reducing a distance between antenna elements includes a first antenna element corresponding to a 1.5 GHz band and a 2.0 GHz band, a second antenna element corresponding to the 1.5 GHz band and the 2.0 GHz band, a first passive element which is arranged between the first antenna element and the second antenna element and which resonates at a frequency corresponding to the 1.5 GHz band, and a second passive element which is arranged between the first antenna element and the second antenna element separately from the first passive element and which resonates at a frequency corresponding to the 2.0 GHz band.Type: ApplicationFiled: May 10, 2012Publication date: November 15, 2012Applicant: FUNAI ELECTRIC CO., LTD.Inventor: Daisuke AIZAWA
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Publication number: 20120280884Abstract: Antennas that include an inner set of four helical antenna elements and a co-axially arranged outer set of four helical antenna elements. The helical winding directions of the two sets of elements may have the same handedness or opposite handedness. Certain embodiments provide for switch handedness of circularly polarized radiation of the antennas and certain embodiments provide for shifting the directivity of the antenna pattern in polar angle. Systems in which the antennas are used and methods of use are also taught.Type: ApplicationFiled: November 16, 2011Publication date: November 8, 2012Applicant: MAXTENAInventors: Carlo DiNallo, Stanislav Licul, Nathan Cummings
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Patent number: 8305052Abstract: A controlled power supply comprising: a) an array of low voltage current sources; b) a plurality of switch power supplies coupled to each of the storage capacitors and respective ones of the pulse loads being coupled to each of the switch power supplies; c) each of the storage capacitors being configured for storing energy during an inactive portion of a load switching cycle of the respective switch power supply to which the corresponding storage capacitor is coupled when the pulse loads are inactive; d) a respective output capacitor in association with each of the switch power supplies for feeding voltage to the respective pulse loads during an active portion of the load switching cycle; and e) the respective storage capacitor being configured for supplying the stored energy via the respective to the respective switch power supply to which the storage capacitor is coupled to each of the pulse loads coupled to switch power supply during an active portion of the load switching cycle.Type: GrantFiled: December 24, 2008Date of Patent: November 6, 2012Assignee: Elta Systems Ltd.Inventors: Enrique Batikoff, Robert Zelig
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Patent number: 8305275Abstract: A mobile wireless communications device has a portable handheld housing. A circuit board is carried by the portable handheld housing. RF circuitry is carried by the circuit board. A diversity antenna and main antenna are carried by the portable handheld housing and coupled to the RF circuitry and operative together. The RF circuitry tunes the diversity antenna into a diversity communications frequency band to achieve a diversity mode of operation with the main antenna and tunes the diversity antenna into a non-diversity communications frequency band when cross-coupling has occurred from the diversity antenna to the main antenna when operating in the diversity communications frequency band. A switch is carried by the portable handheld housing and connected to the RF circuitry and coupled between the diversity and main antennae and disconnects the diversity antenna when operating in the non-diversity band to prevent cross-coupling from the diversity antenna to the main antenna.Type: GrantFiled: December 27, 2011Date of Patent: November 6, 2012Assignee: Research In Motion LimitedInventors: Ying Tong Man, Adrian Cooke, Yihong Qi, Joshua Wong
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Publication number: 20120274536Abstract: A Multiple-Input Multiple-Output (MIMO) antenna on a substrate includes first and second antennas defined in axial symmetry, a coupling portion, and a grounding portion. The substrate includes a first surface and an opposite second surface. Each of the antennas includes a feeding portion, a radiating portion, and a matching portion. The feeding portion feeds electromagnetic signals to the antenna. The radiating portion radiates the electromagnetic signals, and is in a meandering “S” pattern. A length of the radiating portion is substantially equal to a quarter wavelength of the electromagnetic signals. The matching portion implements impedance matching between the feeding portion and the radiating portion. The coupling portion is located between the first antenna and the second antenna and is serpentine shape. A length of the coupling portion is substantially equal to a half wavelength of the electromagnetic signals. The grounding portion is located on both the first and second surface.Type: ApplicationFiled: April 26, 2012Publication date: November 1, 2012Applicant: HON HAI PRECISION INDUSTRY CO., LTD.Inventor: CHUN-JUI PAN
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Patent number: 8295774Abstract: Methods and apparatuses for determining uplink receive signal path characteristics in a wireless communication system are disclosed. In one embodiment, a tower-top noise source (TTNS) is provided such that it is permanently affixed in close proximity to a receive antenna. The TTNS preferably has an output that includes a wideband noise signal having predetermined characteristics. The TTNS output is selectively connected to a receive signal path that includes a tower-top low-noise amplifier (TTLNA). An altered version of the wideband noise signal is received at the output of the receive signal path, and a characteristic of the altered wideband noise signal is measured.Type: GrantFiled: December 19, 2007Date of Patent: October 23, 2012Assignee: Clearwire IP Holdings LLCInventors: Walter F. Rausch, Douglas A. Hyslop, David A. Maples, Ivy Y. Kelly
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Patent number: 8295799Abstract: Aspects of a method and system for identifying a radio frequency identification (RFID) tag location using a switchable coil are presented. Aspects of the systems may include one or more processors that enable selection of an inductor coil from a plurality of inductor coils. The selection of the inductor coil may be based on a change in an electromagnetic field, with respect to an initial electromagnetic field, as detected by the selected inductor coil. The processors may enable transmission of a signal, having a transmitter frequency in the UHF frequency band, via the selected inductor coil.Type: GrantFiled: March 22, 2012Date of Patent: October 23, 2012Assignee: Broadcom CorporationInventors: Ahmadreza Rofougaran, Amin Shameli
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Patent number: 8289219Abstract: An antenna arrangement including a first element operable in a first resonant mode at a first resonant frequency band; and a second element arranged to couple with the first element to enable the first element to resonate in a second resonant mode having a second resonant frequency band, the second element having an impedance at the first resonant frequency band which substantially suppresses coupling between the first element and the second element.Type: GrantFiled: May 2, 2007Date of Patent: October 16, 2012Assignee: Nokia CorporationInventor: Richard Breiter
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Publication number: 20120256805Abstract: An array antenna apparatus includes a radio circuit; an array antenna that includes a plurality of antenna elements; feeder lines that connect the radio circuit to the respective antenna elements; and a delay circuit provided at each of one or more of the feeder lines. An amount of delay of the delay circuit is set so that the sum of a phase delay by the delay circuit and a phase delay due to a difference between a length of the corresponding feeder line and a predetermined reference length is an integer multiple of 360 degrees.Type: ApplicationFiled: December 15, 2010Publication date: October 11, 2012Inventor: Naoyuki Orihashi
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Publication number: 20120249389Abstract: An antenna system comprises a plurality of conductors, a combiner, and a plurality of loads. The combiner has an output port. The plurality of loads connects the plurality of conductors to each other in line. The plurality of loads has an impedance equal to a desired impedance for the output port. The combiner combines power received by the plurality of loads at the output port of the combiner.Type: ApplicationFiled: August 28, 2008Publication date: October 4, 2012Inventors: Thomas Peter Delfeld, Matthew Gregory Rivett
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Patent number: 8279131Abstract: A mixed-signal, multilayer printed wiring board fabricated in a single lamination step is described. The PWB includes one or more radio frequency (RF) interconnects between different circuit layers on different circuit boards which make up the PWB. The PWB includes a number of unit cells with radiating elements and an RF cage disposed around each unit cell to isolate the unit cell. A plurality of flip-chip circuits are disposed on an external surface of the PWB and a heat sink can be disposed over the flip chip components.Type: GrantFiled: June 15, 2009Date of Patent: October 2, 2012Assignee: Raytheon CompanyInventors: Angelo M Puzella, Joseph A. Licciardello, Patricia S. Dupuis, John B. Francis, Kenneth S. Komisarek, Donald A. Bozza, Roberto W. Alm
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Patent number: 8279132Abstract: Provided is an antenna for a base station and a repeater capable of electrically or mechanically controlling the individual operation of an element antenna constituting an array antenna or a sub-array antenna so as to adaptively cope with the change in the communication environment, and having an economic and high performance transmitting and receiving function, and a method of controlling a mode of the antenna. The multi-mode antenna includes a radiation portion having one or more array antenna and capable of selectively changing an antenna effective opening surface and changing a resistance direction of an antenna beam pattern, an active channel portion connected to the array antennas and including switches, transmission and receiving channels, and a signal combiner and splitter, and a modem and control portion connected to the active channel portion and having a control portion and a modem.Type: GrantFiled: March 5, 2008Date of Patent: October 2, 2012Assignee: Electronics and Telecommunications Research InstituteInventors: Young-Bae Jung, Soon-Young Eom, Soon-Ik Jeon, Chang-Joo Kim
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Patent number: 8280466Abstract: A reach back secure communications terminal capable of GSM network connectivity includes a GSM fixed cellular terminal, and a single whip antenna adapted for user selectable use at any of four distinct frequency bands, e.g., 850, 900, 1800, or 1900. Immediate and secure voice, data and video connectivity is provided to multiple telecommunications networks. Integrated components simplify access to varied networks allowing deployed users to select and connect quickly to a network that best supports their present mission. Networking options include any of PSTN, PBX, GSM (or CDMA or other cell telephone standard), SAT, IP and WiFi. During secure call setup, the reach-back communications terminal exchanges public keys with a remote terminal using FNBDT signaling. Traffic encryption is performed using the NIST approved Advanced Encryption System (AES) standard (Rijndael) and a 128-bit random key (2^128 possible keys).Type: GrantFiled: December 10, 2004Date of Patent: October 2, 2012Assignee: TeleCommunication Systems, Inc.Inventors: Fiona S. Best, Dorothy A. McClintock, William Jeremy Lee, Wesley R. Hartwell, Eric Reed
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Publication number: 20120242559Abstract: The present invention provides a substrate type antenna having resonant frequencies different in a simple configuration. At least one loop-like another joint pattern one spot of which is divided is formed at a position opposite to a second joint pattern having common feeding points. Antennas are respectively connected to both end terminals of both of a first joint pattern and another joint pattern referred to above at their divided positions. The antennas connected to the first joint pattern and the antennas connected to another joint pattern referred to above are respectively made different in resonant frequency.Type: ApplicationFiled: March 22, 2012Publication date: September 27, 2012Applicants: Faverights, Inc., NISSEI LimitedInventors: Tutomu KANEKO, Takahisa KARAKAMA
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Publication number: 20120235877Abstract: Distributed band reject filters are disclosed. A band reject filter includes a first acoustic resonator and a second acoustic resonator, each of which has either shunt resonators adapted to resonate substantially at respective resonance frequencies defining a rejection frequency band or series resonators adapted to anti-resonate substantially at respective anti-resonance frequencies defining the rejection frequency band. These resonators are connected through a phase shifter which imparts an impedance phase shift of approximately 45° to 135°. Exemplary applications of the band reject filters disclosed herein include implementation as an inter-stage band reject filter for a base station power amplifier for a wireless communication system, as a radio frequency band reject filter in a duplexer for a wireless communication terminal, and in a low noise amplifier input stage.Type: ApplicationFiled: June 4, 2012Publication date: September 20, 2012Inventors: STEVE BEAUDIN, CHUN-YUN JIAN, SOMSACK SYCHALEUN
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Patent number: 8269671Abstract: A radio-frequency integrated circuit chip package has N integrated patch antennas, N being at least one. The package includes a cover portion with N generally planar patches, and a main portion coupled to the cover portion. The main portion in turn includes at least one generally planar ground plane spaced inwardly from the N generally planar patches and parallel thereto. The ground plane is formed without any coupling apertures therein. The main portion also includes N feed lines spaced inwardly from the N generally planar patches and parallel thereto, and spaced outwardly from the generally planar ground plane and parallel thereto. Furthermore, the main portion includes at least one radio frequency chip coupled to the feed lines and the ground plane. The cover portion and the main portion cooperatively define an antenna cavity, and the N generally planar patches and the chip are located in the antenna cavity. The package is formed without reflectors. Fabrication techniques are also described.Type: GrantFiled: January 27, 2009Date of Patent: September 18, 2012Assignees: International Business Machines Corporation, Media TekInventors: Ho Chung Chen, Brian A. Floyd, Duixian Liu
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Publication number: 20120229359Abstract: A feeding system for feeding power using slow wave structure is disclosed. The feeding system includes a first substrate, a first pattern disposed on the first substrate, being a conductor, a second substrate separated from the first substrate, and a second pattern configured to locate on the second substrate, being a conductor. Here, the first pattern and the second pattern are connected electrically, and at least one of the first pattern and the second pattern has a slow wave structure.Type: ApplicationFiled: November 22, 2010Publication date: September 13, 2012Applicant: ACE TECHNOLOGIES CORPORATIONInventor: Seung-Cheol Lee
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Publication number: 20120218166Abstract: The disclosure discloses a dual-mode terminal antenna, comprising a main antenna comprising a main antenna of a first mode and a main antenna of a second mode, an auxiliary antenna comprising an auxiliary antenna of the first mode and an auxiliary antenna of the second mode, and an antenna bracket. The main and auxiliary antennas are fixed on a same antenna bracket, each of which is configured with a spring lea. When the antenna bracket is clasped on a main board, four spring leaves of the main and auxiliary antennas contact with four antenna feeding points on the main board respectively, An LC resonant circuit is disposed ahead of each antenna feeding point, and four LC resonant circuits resonate at a working frequency band of the antenna corresponding to the antenna feeding point with which each said LC resonant circuits connects, respectively.Type: ApplicationFiled: May 7, 2010Publication date: August 30, 2012Applicant: ZTE CORPORATIONInventor: Hui Jiang
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Patent number: 8253645Abstract: An antenna system comprising at least two antenna radiating elements and respective reference ports the ports being defined by a symmetrical antenna scattering N×N matrix. The system further comprises a compensating network connected to the reference ports. The compensating network is arranged for counteracting coupling between the antenna radiating elements. The compensating network is defined by a symmetrical compensating scattering 2N×2N matrix comprising four N×N blocks, the two blocks on the main diagonal containing all zeros and the other two blocks of the other diagonal containing a unitary N×N matrix and its transpose. The product between the unitary matrix, the scattering N×N matrix and the transpose of the unitary matrix equals an N×N matrix which essentially is a diagonal matrix. The present invention also relates to a method for calculating a compensating scattering 2N×2N matrix for a compensating network for an antenna system.Type: GrantFiled: April 28, 2006Date of Patent: August 28, 2012Assignee: Telefonaktiebolaget LM Ericsson (Publ)Inventors: Anders Derneryd, Anders Stjernman
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Patent number: 8254944Abstract: A method for coordinating beam forming between two communicating entities includes obtaining cell loading information and adjusting a number of used beam-sets at a specific scheduling time according to the cell loading information. The method further includes transmitting a common pilot that is not beam-formed together with feed-forward information according to the cell loading. A wireless communication system employing conventional CL-MIMO protocols can be adapted to employ the methodology.Type: GrantFiled: January 13, 2009Date of Patent: August 28, 2012Assignee: FutureWei Technologies, Inc.Inventors: Young Hoon Kwon, Anthony C. K. Soong, Cornelius Van Rensburg
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Publication number: 20120212389Abstract: This multiantenna unit includes a first antenna element, a second antenna element and a non-grounded passive element arranged between the first and second antenna elements. The passive element includes a first portion arranged on a front surface of a substrate and an extensional portion, connected to the first portion, extending perpendicularly to the front surface of the substrate.Type: ApplicationFiled: February 16, 2012Publication date: August 23, 2012Applicant: Funai Electric Co, Ltd.Inventors: Daisuke AIZAWA, Naoyuki Wakabayashi
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Patent number: 8248317Abstract: A system includes a first radio frequency (RF) lens having array ports and beam ports, and a second RF lens having array ports and beam ports. At least two of the second RF lens array ports are connected to at least two of the first RF lens array ports by phase-matched connectors. The RF lenses may be continuously steerable RF lenses, Rotman lenses, or discretely steerable RF lenses. The system may include first, second, third, and fourth RF switches, at least one transmitter with an associated controller, at least one receiver with associated controller, and an environment controller. The system may also include long-distance simulators connected between the RF switches of the directional simulator and the receiver or the transmitter and controlled by an environment controller. Other system embodiments include multi-pair RF lenses, as well as an RF lens connected to an antenna array system.Type: GrantFiled: May 5, 2009Date of Patent: August 21, 2012Assignee: The United States of America as represented by the Secretary of the NavyInventors: Christopher J. Meagher, Randall B. Olsen, Christopher C Cirullo
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Patent number: 8249524Abstract: A near field communication (NFC) transceiver contains a transmitter portion to generate a transmit wireless signal, and a receiver portion to receive and process a receive wireless signal. The circuit further contains a shunt capacitor, a switch, and an antenna interface to couple the transmitter portion and the receiver portion to an antenna designed to communicate with external antennas by inductive coupling. The switch couples the shunt capacitor in parallel with the antenna in one operational mode, and decouples the shunt capacitor from the antenna in another operational mode. Transmit and receive performance of the NFC transceiver are enhanced as a result.Type: GrantFiled: September 10, 2010Date of Patent: August 21, 2012Assignee: Texas Instruments IncorporatedInventors: Yogesh Darwhekar, Alok Prakash Joshi, Gireesh Rajendran, Subhashish Mukherjee, Apu Sivadas
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Patent number: 8242967Abstract: A multiple-input multiple-output (MIMO) device includes a substrate, a shielding cover and a MIMO antenna. The shielding cover is positioned on the substrate, and includes a plurality of sidewalls. The MIMO antenna includes a first solid antenna, a second solid antenna, and a plane antenna. The first solid antenna and the second solid antenna are electrically connected to two ends of one sidewall of the shielding cover, respectively. The first plane antenna is configured on the substrate, and disposed between the first solid antenna and the second solid antenna.Type: GrantFiled: October 21, 2009Date of Patent: August 14, 2012Assignees: Ambit Microsystems (Shanghai) Ltd., Hon Hai Precision Industry Co., Ltd.Inventors: Xue-Dong Jiang, Su-Qin Li, Jian-Feng Xiao, Ming-Jiang Fan
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Patent number: 8237615Abstract: The present invention refers to an antennaless wireless handheld or portable device comprising: a user interface module, a processing module, a memory module, a communication module and a power management module. The communication module including a radiating system capable of transmitting and receiving electromagnetic wave signals in a first frequency region and in a second frequency region, wherein the highest frequency of the first frequency region is lower than the lowest frequency of the second frequency region.Type: GrantFiled: July 31, 2009Date of Patent: August 7, 2012Assignee: Fractus, S.A.Inventors: Jaume Anguera, Aurora Andujar, Carles Puente, Josep Mumbru
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Patent number: 8238824Abstract: A communication system includes the following elements: a transmitter including a transmission circuit unit configured to generate an RF signal for transmitting data and an electric-field-coupling antenna configured to transmit the RF signal as an electrostatic field; a receiver including an electric-field-coupling antenna and a reception circuit unit configured to receive and process the RF signal received by the electric-field-coupling antenna; and a surface-wave propagation medium configured to provide a surface-wave transmission line to transmit a surface wave emanating from the electric-field-coupling antenna of the transmitter with low propagation loss.Type: GrantFiled: January 12, 2011Date of Patent: August 7, 2012Assignee: Sony CorporationInventor: Takanori Washiro
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Publication number: 20120194403Abstract: The invention proposes a radio frequency circuit which comprises a transformer with a first primary circuit, a second primary circuit, and a secondary circuit, the secondary circuit comprising an integrated first inductor, this first inductor being positioned, on an axis orthogonal to a surface of the circuit, between an integrated second and third inductor respectively comprised in the first primary circuit and second primary circuit.Type: ApplicationFiled: October 12, 2010Publication date: August 2, 2012Applicants: ST-ERICSSON SA, ST-ERICSSON (FRANCE) SASInventors: Christophe Cordier, Thomas Francois, Olivier Tesson