Famous Patents
William F. Semple, a dentist, was awarded the first US Patent on chewing gum in 1869. His recipe contained powdered chalk.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8154467 | Antenna apparatus and wireless communication terminal Disclosed is an antenna apparatus which can control directivity of a plurality of radiation elements using one parasitic element. The antenna apparatus includes two radiation elements arranged on a base parallel to each other, and a parasitic element disposed betwee... | 04/10/2012 |
| 8059056 | Directional antenna and portable electronic device using the same A directional antenna and a portable electronic device using the same are provided. The directional antenna includes L-shaped radiator, L-shaped oscillator, and L-shaped reflector and it is preferred that the directional antenna is positioned at corners of the subst... | 11/15/2011 |
| 7911406 | Modular digital UHF/VHF antenna The invention relates to Radio Frequency (RF) antennas suitable for receiving and/or transmitting digital signals in the Ultra High Frequency (UHF) and/or Very High Frequency (VHF) ranges. The invention comprises a modular driven DUV antenna comprising a driven DUV ... | 03/22/2011 |
| 7864132 | Active photonic forbidden band antennae The present invention relates to an active photonic band gap antenna. In this case, the photonic band gap structure is constituted by metal rods, some of which are discontinuous, namely composed of sections of rods connected by a switching element such as a PIN diod... | 01/04/2011 |
| 7746286 | Antenna device having good symmetry of directional characteristics An antenna device suitable for short distance wireless communication is provided which can have a good symmetry of directional characteristics and increase a gain at both end sides in a longitudinal direction of a ground pattern. An antenna device is formed by patte... | 06/29/2010 |
| 7719478 | Optimisation of forbidden photo band antennae The present invention relates to photonic band gap antennas. This antenna comprises according to a plane of directions x, y, a radiating source and a photonic band gap structure constituted by parallel metal rods, the rods repeating themselves nx times in the direct... | 05/18/2010 |
| 7705797 | Antenna arrangement There is provided an antenna arrangement for use in an ultra-wideband network, the antenna arrangement comprising an active element; and a plurality of passive elements arranged around the active element; each passive element being controllable to selectively reflec... | 04/27/2010 |
| 7696943 | 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... | 04/13/2010 |
| 7652633 | Antenna for GPS This invention relates to an antenna for GPS. The antenna of the invention comprises a ground metal plate, a parasitic metal plate, a radiation metal plate and at least one supporting element. The parasitic metal plate is disposed above the ground metal plate and co... | 01/26/2010 |
| 7515113 | Antenna with parasitic rings A quadrifilar helix antenna comprises a flexible substrate, four conductive elements with a feed network etched on a first portion of the flexible substrate, parasitic metallic lines etched on a second portion of the flexible substrate and a ground plane for the fee... | 04/07/2009 |
| 7439916 | Antenna for mobile communication terminals An antenna comprising: a first substantially planar ground plate; a first substantially planar resonator positioned in a plane substantially parallel to the first ground plate; a second substantially planar ground plate positioned in a plane substantially parallel t... | 10/21/2008 |
| 7425928 | Method and apparatus for frequency selective beam forming A directive antenna having plural antenna elements is arranged in a parasitic antenna array. Frequency selective components are connected to an active antenna element. Weighting structures are connected to passive antenna elements positioned substantially equidistan... | 09/16/2008 |
| 7423605 | Mobile wireless communications device including an electrically conductive director element and related methods A mobile wireless communications device may include a portable housing, a printed circuit board (PCB) carried by the portable housing, a wireless transceiver carried by the PCB, and an antenna connected to the transceiver and carried by the PCB. The mobile wireless ... | 09/09/2008 |
| 7423606 | Multi-frequency RFID apparatus and methods of reading RFID tags A portable/handheld device is provided having a processing module configured to selectively operate a reading mode selected from a far-field mode and a near-field mode, and a directional antenna array coupled to the processing module. The directional antenna array i... | 09/09/2008 |
| 7420513 | Circularly polarized antenna device First and second monopole conductive elements are disposed so as to be approximately mutually perpendicular and so that respective open ends are adjacent, and with respect to a straight line that passes between open ends of the first and second monopole conductive e... | 09/02/2008 |
| 7420521 | Wideband segmented dipole antenna A wideband antenna comprised of two or more conductive segments that are parasitically coupled. ... | 09/02/2008 |
| 7411557 | Antenna device and radio communication terminal A switching unit which switches the sub antenna, which is for performing diversity reception in cooperation with the main antenna for transmission and reception, from functioning as an antenna to functioning as a parasitic element, or from functioning as a parasitic... | 08/12/2008 |
| 7403160 | Low profile smart antenna for wireless applications and associated methods A low profile smart antenna includes an active antenna element carried by a dielectric substrate, and active antenna element has a T-shape. Passive antenna elements are carried by the dielectric substrate, and they have an inverted L-shaped portion laterally adjacen... | 07/22/2008 |
| 7391386 | Array antenna control device and array antenna device An array antenna apparatus (100) includes a radiating element (A0) for receiving a transmitted radio signal, two parasitic elements (A1, A2), and two variable reactance elements (12-1, 12-2) connected to the respectiv... | 06/24/2008 |
| 7388556 | Antenna providing downtilt and preserving half power beam width A panel antenna is provided having one or more radiating elements and a series of directors associated with each radiating element. Each series of directors is angled with respect to a direction of maximum radiation of the associated radiating element, in order to t... | 06/17/2008 |
| 7385563 | Multiple antenna array with high isolation A high-isolation multiple in, multiple out (MIMO) antenna array includes, in one configuration, a ground plane, and a plurality of antenna transmitting/receiving elements arranged near the periphery of the ground plane, wherein each of the antenna transmitting/recei... | 06/10/2008 |
| 7385558 | Capacitive feed antenna An antenna including a first monopole radiating element having a galvanic connection to an antenna feed and second and third monopole radiating elements having a capacitive connection to the antenna feed. ... | 06/10/2008 |
| 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 |
| 7366464 | Access point operating with a smart antenna in a WLAN and associated methods An access point operates in an 802.11 wireless communication network communicating with a client station, and includes a smart antenna for generating directional antenna beams and an omni-directional antenna beam. An antenna steering algorithm scans the directional ... | 04/29/2008 |
| 7342552 | Antenna device for compound portable terminal In a compound portable terminal which supports two communication standards using different frequencies when an antenna is prepared for each communication standard, radio interference occurs in two antennas, and there is a possibility that bit errors increase. To avo... | 03/11/2008 |
| 7340254 | Measurement opportunities for a mobile unit operating with a switched beam antenna in a CDMA system Measurement opportunities are provided to a wireless transmit/receive unit (WTRU) operating with a switched beam antenna in a CDMA wireless communication system. The switched beam antenna is a smart antenna generating a plurality of directional beams and an omni-dir... | 03/04/2008 |
| 7339528 | Antenna for mobile communication terminals An antenna including: a first substantially planar ground plate; a first substantially planar resonator positioned in a plane substantially parallel to the first ground plate; a second substantially planar ground plate positioned in a plane substantially parallel to... | 03/04/2008 |
| 7324817 | Wireless communication method and apparatus for selecting and reselecting cells based on measurements performed using directional beams and an omni-directional beam pattern A wireless communication method and apparatus for selecting and reselecting cells used by a wireless transmit/receive unit (WTRU) in a wireless multi-cell communication system. The WTRU includes a switched beam antenna configured to form a plurality of directional b... | 01/29/2008 |
| 7295811 | Method for performing measurements for handoff of a mobile unit operating with a switched beam antenna in a wireless communication system, and corresponding system Measurements for handoff are made by a wireless transmit/receive unit (WTRU) operating with a switched beam antenna in a wireless communication system. The switched beam antenna is a smart antenna generating a plurality of directional beams and an omni-directional b... | 11/13/2007 |
| 7292201 | Directional antenna system with multi-use elements Systems and methods for a wireless communication device having a switched multi-beam antenna and methods for manufacturing the same are described. One system and method includes a plurality of antenna of elements. Groups of the antenna elements cooperate to form act... | 11/06/2007 |
| 7292202 | Range limited antenna Range limited antenna includes first and second pair of antenna elements, and an RF signal processing network connected to both pair of antenna elements. The network has a function, F(Ξ,x)≈ΦA(x)−ΦB(x), where x is a signal, ΦA... | 11/06/2007 |
| 7289827 | Method and apparatus for performing directional re-scan of an adaptive antenna An antenna for use with a receiver in a wireless communications system includes antenna elements for generating antenna patterns, and a first module for applying weights to a signal received at each of the antenna elements to generate a selected one of the antenna p... | 10/30/2007 |
| 7289828 | Method for steering a smart antenna for a WLAN using a periodic re-scan A smart antenna steering algorithm performs a periodic re-scan at an end of a sustained use period and before a next sustained use period. During a sustained use period, a re-scan of the other antenna beams is not performed. The periodic re-scan is performed on alte... | 10/30/2007 |
| 7286098 | Circular polarization antenna and composite antenna including this antenna When configuring a film antenna for receiving a circular polarized wave, at least one loop antenna is formed on a transparent plastic film and, at the same time, a non-powered element constituted by a wire-shaped conductor independent from the antenna conductor conf... | 10/23/2007 |
| 7286087 | Dual-band inverted-F antenna A dual-band inverted-F antenna includes a first radiating unit, a second radiating unit and a third radiating unit. The first radiating unit has a first long side and a first short side. The second radiating unit has a second long side and a second short side. The s... | 10/23/2007 |
| 7280075 | Wireless communication terminal device A wireless communication terminal device has a circuit board with a plurality of electronic components arranged thereon and a conductive shielding case attached to the circuit board so that the shielding case covers the plurality of electronic components. At least o... | 10/09/2007 |
| 7276990 | Single-pole multi-throw switch having low parasitic reactance, and an antenna incorporating the same A switch arrangement comprises a plurality of MEMS switches arranged on a substrate about, and close to, a central point, each MEMS switch being disposed on a common imaginary circle centered on the central point. Additionally, and each MEMS switch is preferably spa... | 10/02/2007 |
| 7274340 | Quad-band coupling element antenna structure An antenna module has a substrate, first and second coupling elements, and first and second resonant circuits disposed on the substrate. The first and second coupling elements are mounted to the substrate and particularly adapted to couple respective first and secon... | 09/25/2007 |
| 7274330 | Beam switching antenna system and method and apparatus for controlling the same A beam switching antenna system and method and apparatus for controlling the same is provided, by which optimal antenna characteristics can be maintained according to a peripheral environment, the necessary time and power consumption of searching an optimal beam-dir... | 09/25/2007 |
| 7268738 | Beamforming using a backplane and passive antenna element An active antenna element to transmit and/or receive RF (Radio Frequency) signals is positioned in relation to a backplane that reflects RF signals. One or more passive antenna elements can be disposed on a similar side of the backplane as the active antenna element... | 09/11/2007 |
