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| Number | Title | Issue Date |
| 8130159 | Electromagnetic field generation antenna for a transponder An antenna generating an electromagnetic field for an electromagnetic transponder and a terminal provided with such an antenna. The antenna comprises a first inductive element designed to be connected to two terminals employing an energizing voltage, and a parallel ... | 03/06/2012 |
| 8085208 | Configurable radio frequency element Implementations related to configurable strip-line quarter wavelength and/or antenna structures are described herein. ... | 12/27/2011 |
| 8081129 | Memristive antenna An energy responsive device. The device includes a memristor and at least one antenna. The memristor is coupled to the at least one antenna. ... | 12/20/2011 |
| 8059047 | Capacitively loaded dipole antenna optimized for size A capacitively loaded magnetic dipole antenna is provided with a portion that comprises a length that is longer than a straight line distance between a first end and a second end of the third portion such that antenna with a tower profile and/or smaller form factor ... | 11/15/2011 |
| 7961152 | Electronic device having helical resilient member serving as electric inductance element An electronic device includes a helical resilient member serving as an electrical inductance element. The electronic device also includes an antenna, a signal feeding line, and a transmitting/receiving module. The helical resilient member has first and second ends w... | 06/14/2011 |
| 7834814 | Antenna arrangement An antenna arrangement for radio communication in a first radio communication band and for communication in a second radio communication band including a multiple-resonance antenna element having a feed for connection to radio frequency circuitry; and a load connect... | 11/16/2010 |
| 7804457 | Multi-band antenna with inductor and/or capacitor A multi-band antenna is adapted to operate in a first frequency band and a second frequency band which is lower than the first frequency band. In the multi-band antenna, an antenna element has an electrical length of ¾ wavelength of the first frequency band. The an... | 09/28/2010 |
| 7583231 | Printed antenna with band rejection filter An antenna having a band rejection filter. The antenna includes: a radiator formed of a single plate, a grounding part formed of a single plate, a dielectric substrate including a surface on which the radiator is attached and another surface on which the grounding p... | 09/01/2009 |
| 7439914 | Antenna unit An antenna unit has a first antenna operating at wireless telecommunication bands and a second antenna operating at wireless local area network bands. The first antenna has a first radiating conductor with a first feeding point defining opposite sides, a second, a t... | 10/21/2008 |
| 7414533 | System for placing radio frequency identification (RFID) antennas, tags and interrogators A system and method for optimally placing radio frequency identification (RFID) antennas. The system varies the placement of RFID tag and interrogator antennas with respect to each other and a stationary object or objects. A signal generator sends a known reference ... | 08/19/2008 |
| 7398054 | Spatially selective UHF near field microstrip coupler device and RFID systems using device A system having a UHF RFID transceiver is adapted to communicate exclusively with a single electro-magnetically coupled transponder located in a predetermined confined transponder operating region. The system includes a near field coupling device comprising a plural... | 07/08/2008 |
| 7369096 | Impedance matched passive radio frequency transmit/receive switch A Radio Frequency (RF) structure services an antenna having a characteristic impedance and includes a differential Power Amplifier (PA), a differential Low Noise Amplifier (LNA), and a balun transformer. The differential PA has a differential PA output with a PA dif... | 05/06/2008 |
| 7369089 | Antenna with multiple-band patch and slot structures A multiple-band antenna having a plurality of operating frequency bands is provided. The antenna includes a plurality of structures configured for operation in respective ones of the plurality of operating frequency bands, and a plurality of structures configured fo... | 05/06/2008 |
| 7365701 | System and method for generating a genetically engineered configuration for at least one antenna and/or frequency selective surface An optimal configuration for at least one antenna and/or at least one frequency selective surface is generated. A configuration of elements is generated by selecting a simple configuration of at least one element and applying a genetic algorithm to the simple config... | 04/29/2008 |
| 7358911 | System and method for providing a distributed loaded monopole antenna A method of operating a distributed loaded antenna system including a monopole antenna is disclosed. The method includes the steps of providing a radiation resistance unit coupled to a transmitter base, providing a current enhancing unit coupled to the radiation res... | 04/15/2008 |
| 7352264 | Electronically tunable dielectric resonator circuits In order to permit electronic tuning of the frequency of a circuit including dielectric resonators, such as a dielectric resonator filter, tuning plates are employed adjacent the individual dielectric resonators. The tuning plates comprises two separate conductive p... | 04/01/2008 |
| 7342546 | Antenna in a wireless system The present invention provides apparatuses and methods for an antenna in a wireless receiving system. The antenna includes an opened segmented component that is electrically coupled to a printed circuit board and a capacitive top loaded component that provides a cap... | 03/11/2008 |
| 7310031 | Dielectric resonators and circuits made therefrom A dielectric resonator having variable cross-section, preferably varying monotonically, and, most preferably, the resonator being in the shape of a truncated cone. Such shapes displace the H11 mode from the TE mode in the longitudinal direction of the con... | 12/18/2007 |
| 7304611 | Antenna system with high gain for radio waves polarized in particular direction In an antenna system, a short-circuiting conductive plate and a power-supply conductive plate are bent at the center region of a metal plate so as to be perpendicular to the planar surface of the metal plate. The remaining metal plate excluding the short-circuiting ... | 12/04/2007 |
| 7301502 | Antenna arrangement for a cellular communication terminal An antenna arrangement operable to transmit/receive in a first communications band and a second communications band, including a ground plane; a first conductive element for transmitting/receiving; a second conductive element separate from the first conductive eleme... | 11/27/2007 |
| 7277677 | Control device for antenna matching circuit A control device for an antenna matching circuit is configured to output an adjusting signal for changing impedance of an element in the antenna matching circuit based on change over time in signal power ratio of a reflected signal from the antenna matching circuit ... | 10/02/2007 |
| 7277057 | Providing integrated chassis antenna for processor-based devices In one embodiment of the present invention, the antenna is punched out and formed from a front surface of a chassis. The antenna may be connected to a wireless device by a coaxial cable. The center conductor of the coaxial cable may be coupled to the feed point of t... | 10/02/2007 |
| 7265727 | Top loaded disk monopole antenna In an exemplary aspect of the invention, an antenna is disclosed that includes a ground plane and a disk disposed adjacent to the ground plane. The disk has a perimeter. The antenna further includes a loading reflector having an underside. At least a portion of the ... | 09/04/2007 |
| 7256741 | Antenna with multiple-band patch and slot structures A multiple-band antenna having a plurality of operating frequency bands is provided. The antenna includes a plurality of structures configured for operation in respective ones of the plurality of operating frequency bands, and a plurality of structures configured fo... | 08/14/2007 |
| 7253737 | Automated antenna trim for transmitting and receiving semiconductor devices A radio frequency communication device and methods of testing and tuning an antenna attached thereto are disclosed. A radio frequency communication device comprises internal circuitry and an antenna having a plurality of antenna segments associated therewith. Each a... | 08/07/2007 |
| 7253783 | Low cost multiple pattern antenna for use with multiple receiver systems An antenna assembly includes at least two active or main radiating omni-directional antenna elements arranged with at least one beam control or passive antenna element used as a reflector. The beam control antenna element(s) may have multiple reactance elements that... | 08/07/2007 |
| 7242367 | Coded antenna A free standing antenna extending longitudinally to present a base and a free end, comprising a helical conductor disposed over an insulated metallic tube. ... | 07/10/2007 |
| 7233292 | Antenna device having rotatable structure An antenna device includes a coupler rotatably attaching to a support device, a connector rotatably attached to the coupler with a pivot axle and having an extension, and having a stop. An antenna member includes a bore formed in one end for rotatably receiving the ... | 06/19/2007 |
| 7230572 | Low cost antenna devices comprising conductive loaded resin-based materials with conductive wrapping Antennas are formed of a conductive loaded resin-based material with conductive wrapping, embedding, and/or center-fusing. The conductive loaded resin-based material comprises micron conductive powder(s), conductive fiber(s), or a combination of conductive powder an... | 06/12/2007 |
| 7224316 | Retractable stubby antenna A retractable stubby antenna is movable relative to a housing along a longitudinal axis. In a retracted position, at least a portion of the retractable stubby antenna is positioned within the housing. In an extended position at least a portion of the retractable stu... | 05/29/2007 |
| 7209096 | Low visibility dual band antenna with dual polarization A low visibility, field-diverse, dual band antenna provides cross-polarized fields enhancing signal communications. A generally flat, but helical, antenna is achieved in conjunction with a core substrate about which the antenna is wrapped, wound, or fixed. The core ... | 04/24/2007 |
| 7202820 | Wide band antenna Disclosed is a wideband antenna with a lowered standing wave ratio. The wideband antenna interposes a substance whose conductivity is about 0.1 through 10.0 as an interposition between a reference conductor and a radiation conductor; and thereby, the antenna reduces... | 04/10/2007 |
| 7202829 | Broadband mobile antenna with integrated matching circuits A wide band mobile antenna assembly having a whip, a base defining a housing, an adaptor extending on top of the base above the housing, and a mounting element extending in the housing. The mounting element has two opposite PCB mounting side surfaces and two opposit... | 04/10/2007 |
| 7196626 | Radio frequency identification RFID tag The RFID TAG includes a conducting antenna affixed to the surface of the substrate. And, wireless telecommunication IC is electrically linked to antenna. The antenna is provided with a conductor plane and a conductor pressing section, such that wireless telecommunic... | 03/27/2007 |
| 7187335 | System and method for providing a distributed loaded monopole antenna A distributed loaded antenna system including a monopole antenna is disclosed. The antenna system includes a radiation resistance unit coupled to a transmitter base, a current enhancing unit for enhancing current through the radiation resistance unit, and a conducti... | 03/06/2007 |
| 7183992 | Ultra-wideband V-UHF antenna A wideband antenna system is capable of radiating or receiving radio-frequency signals in a given frequency band, comprising at least two substantially collinear radiating elements, wherein each element radiates in one frequency band, a first radiating element worki... | 02/27/2007 |
| 7183881 | Cross-coupled dielectric resonator circuit A cross-coupled dielectric resonator circuit. Resonator circuits in accordance with the invention may be used to build low-loss compact filters, oscillators, and other circuits, particularly microwave circuits. The resonators are arranged relatively to each other wi... | 02/27/2007 |
| 7180464 | Multi-mode input impedance matching for smart antennas and associated methods A smart antenna includes a ground plane, an active antenna element adjacent the ground plane and having a radio frequency (RF) input associated therewith, and passive antenna elements adjacent the ground plane. Impedance elements are connected to the ground plane an... | 02/20/2007 |
| 7170465 | RF diversity antenna coupling structure AN RF diversity antenna coupling structure includes a differential low noise amplifier, a differential power amplifier, a first switch coupled to a first antenna, a second switch coupled to a second antenna, a first transformer, a second transformer, a transformer b... | 01/30/2007 |
| 7167135 | MEMS based tunable antenna for wireless reception and transmission An antenna for a wireless device may be kept dynamically tuned to a desired center frequency to compensate for detuning which may be caused by environmental influences. A sensor provides a feedback signal to a controller to select an appropriate capacitance value fr... | 01/23/2007 |
