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| Number | Title | Issue Date |
| 7408521 | Low profile bicone antenna An antenna that includes, in at least one embodiment, first and second radiating elements each having a substantially conical radiating surface. Each radiating surface may be substantially linearly conical or nonlinearly conical. The radiating surfaces are substanti... | 08/05/2008 |
| 7395093 | Noncontact recording medium reader/writer The object of the invention is to provide a noncontact IC card reader/writer integrated with an antenna that does not require the limitation of an installation location and the adjustment of a resonance frequency of the antenna, is convenient in installation, is pro... | 07/01/2008 |
| 7348933 | Compact multi-polarized antenna for portable devices A compact multi-polarized antenna for transmitting and/or receiving radio frequency (RF) signals, and a method for constructing same, is disclosed. The antenna comprises at least two radiative antenna elements each having a first end and a second end. The second end... | 03/25/2008 |
| 7313127 | Method and apparatus for synchronizing a radio telemetry system by way of transmitted-reference, delay-hopped ultra-wideband pilot signal A time-division-multiplexed radio communication system and method uses transmitted-reference, delay-hopped (TR/DH) ultra-wideband (UWB) broadcast signal to provide a pilot signal to all mobile devices in a coverage area from which time synchronization is derived. Us... | 12/25/2007 |
| 7243477 | Packaging diaper with deceptive size including vacuum-sealing A method of disguisedly packaging an absorbent article includes the steps of: volumetrically reducing an absorbent article such that the volume of the absorbent article is less than a nominal volume of the absorbent article; and disposing the volumetrically reduced ... | 07/17/2007 |
| 7231751 | Packaging diaper with deceptive outward appearance A method of disguisedly packaging a diaper includes: disposing a diaper within a substantially air impermeable encasement; creating a vacuum state within an interior space defined by the encasement; and sealing the encasement such that the diaper is completely enclo... | 06/19/2007 |
| 7102574 | Antenna device and method for manufacturing the same An antenna device comprising: a substrate; a radiation portion including a dielectric block arranged on one principal face of said substrate and a first conductor layer formed in a stereoscopic shape on a surface of said dielectric block; and a grounding conductor i... | 09/05/2006 |
| 7042401 | Trapezoid ultra wide band patch antenna A micro-miniature, light weighted and low cost trapezoid ultra wide antenna having an ultra wide band characteristics and a notch characteristic in 5 GHz WLAN band (5.15–5.35 GHz) is disclosed. The trapezoid ultra wide antenna includes: a dielectric substrate; a t... | 05/09/2006 |
| 7034764 | Antenna device An antenna device has a circular radiation plate with a diameter of substantially ½ wavelength in electric length faced to a ground plate with a first power supply port and a second power supply port in its periphery. The power supply ports are disposed at position... | 04/25/2006 |
| 6995732 | Broadband antenna having a three-dimensional cast part An antenna (10) having an emitter element which is positioned in front of a conductive reflector (13) and has a three-dimensional cast part. The cast part is implemented as conductive and has a closed peripheral structure (11) having alternating... | 02/07/2006 |
| 6980168 | Ultra-wideband antenna with wave driver and beam shaper An antenna comprises an antenna feed line having first and second conductors. It also comprises an antenna driver section having a pair of opposing cones. Each of the cones has an apex region and the cones are arranged so that the apex regions are spaced apart and a... | 12/27/2005 |
| 6933898 | Antenna for tire pressure monitoring wheel electronic device An antenna system for a radio frequency (RF) electronic device includes a printed circuit board (PCB), a ground plane, and an active element. The PCB has a top surface and a bottom surface. The ground plane is on the bottom surface. The active element is mounted on ... | 08/23/2005 |
| 6909113 | Three-dimensional photonic band structures in solid materials A method of forming a periodic index of refraction pattern in a superlattice of a solid material to achieve photonic bandgap effects at desired optical wavelengths is disclosed. A plurality of space group symmetries, including a plurality of empty-spaced buried patt... | 06/21/2005 |
| 6859180 | Gravity-actuated submarine antenna An antenna including a feed tube with radial fins and circular plates at the ends of the tube and fins thereby forming a boundary for a plurality of resonant cavities. Curved plates, connected to the tube by switches of a switching system, partially encompass and su... | 02/22/2005 |
| 6662028 | Multiple frequency inverted-F antennas having multiple switchable feed points and wireless communicators incorporating the same Compact, planar inverted-F antennas are provided that radiate within multiple frequency bands for use within communications devices, such as radiotelephones. Multiple signal feeds extend from a conductive element in respective spaced-apart locations. A re... | 12/09/2003 |
| 6633744 | Ground-based satellite communications nulling antenna A ground-based antenna for use with a satellite communications (SATCOM) system that reduces interference from geosynchronous earth orbit (GEO) satellites. Because GEO satellites that provide coverage of the continental United States (CONUS) are uniformly ... | 10/14/2003 |
| 6075997 | Automatic configuration of antenna near parts equipment Each transmitter/receiver pair of a radio base station is connected via an antenna bus and radio frequency feeder to antenna near parts equipment such as active antennas, boosters and tower mounted amplifiers. Automatic configuration and calibration of th... | 06/13/2000 |
| 6045652 | Method of manufacturing an enclosed transceiver The present invention teaches a method of manufacturing an enclosed transceiver, such as a radio frequency identification ("RFID") tag. Structurally, in one embodiment, the tag comprises an integrated circuit (IC) chip, and an RF antenna mounted on a thin... | 04/04/2000 |
| 5347291 | Capacitive-type, electrically short, broadband antenna and coupling systems An electrically short antenna for transmitting or receiving radiation has first and second electrode forming a capacitor radiator. The antenna is short in the sense that the gap distance between the electrodes and the dimension of the electrodes themselve... | 09/13/1994 |
| 4949094 | Nearfield/farfield antenna with parasitic array A parasitic array for use on a transmission/reception antenna which comprises a cylindrical dielectric support having plural conductive, ring-like parasitic elements spaced along the support. The support is an elongate, hollow structure with closed ends a... | 08/14/1990 |
| 4878059 | Farfield/nearfield transmission/reception antenna A nearfield/farfield transmission/reception antenna formed with a body of revolution having a somewhat saucer-like outside appearance. The body includes three main functional portions--a converter portion wherein farfield radiation is converted to "appear... | 10/31/1989 |
| 4743916 | Method and apparatus for proportional RF radiation from surface wave transmission line In a system for launching RF energy as a traveling surface wave onto a single wire transmission line and causing such energy to be radiated away from the line at a downstream location, a series of window radiators of annular shape are spaced along the lin... | 05/10/1988 |
| 4725475 | Multi-octave thick dielectric radome wall A multi-octave thick dielectric radome wall which includes a dielectric slab having a pair of surfaces and a plurality of pyramidal-shaped dielectric elements mounted on at least one of the surfaces of the dielectric slab. The dielectric constant of the e... | 02/16/1988 |
| 4701763 | Small antenna A small antenna including a dielectric plate, upper and lower conductive plates provided on upper and lower faces of the dielectric plate, respectively, a plurality of conductive reactance posts for connecting, at first positions of the dielectric plate, ... | 10/20/1987 |
| 4701764 | Miniature high-gain antenna An antenna is adapted to be connected to a coaxial cable having a central conductor and a conductive sheath. The antenna is adapted for operation at a wavelength λ and comprises two loops disposed in substantially parallel planes the distance between whi... | 10/20/1987 |
| 4689631 | Space amplifier The present invention relates to a high-power solid state amplifier arrangement comprising a large number of solid state amplifiers disposed in a waveguide array. The waveguide array is disposed in the aperture of an antenna feed arrangement at the image ... | 08/25/1987 |
| 4684954 | Electromagnetic energy shield A radome shutter structure for preventing the transmission of electromagnetic energy within a selected frequency range and for permitting the transmission of energy outside such frequency range during a first mode of operation and for permitting the trans... | 08/04/1987 |
| 4675691 | Split curved plate antenna An antenna for detecting or transmitting polarized radiation. The antenna is small in size (i.e., less than one quarter the wavelength of radiation at its resonant frequency) and is formed by a split-cylindrical capacitor which comprises of a pair of curv... | 06/23/1987 |
| 4646101 | Antenna support An antenna support is provided by a molded plastic member comprising a block having a vertical passage therein, a horizontal guideway on the top of the block, and detent instrumentalities associated with such guideway. The support is designed for use with... | 02/24/1987 |
| 4520363 | Omnidirectional vertical antenna with improved high-angle coverage An antenna structure includes a radiator element secured at one end to a ground plane. Two conducting plates separated by an axial spacer are secured to the opposite end of the radiator element.... | 05/28/1985 |
| 4491850 | Antenna formed of series of metallic and non-metallic conductive sections A new and improved antenna having a body portion which is either constructed from a substantially non-metallic conductor such as carbon or graphite and the like to provide bandwidths, within tolerable standing wave ratios, much wider than is presently obt... | 01/01/1985 |
| 4468675 | Shortened antenna with coaxial telescoping cylinders An antenna comprising a plurality of axially extending, radially spaced, electrically conductive coaxial cylinders and mechanism electrically coupling opposite ends of said cylinders to the adjacent opposite ends of alternate adjacent cylinders.... | 08/28/1984 |
| 4384281 | Theft detection apparatus using saturable magnetic targets An electronic theft detection apparatus for detection of saturable magnetic targets has transmitter and receiver antennas formed of single turn loops of rigid metal pipe. The antennas are rectangular and have a width, in the direction of passage, through ... | 05/17/1983 |
| 4318108 | Bidirectionally focusing antenna A transmission/reception antenna for electromagnetic energy of a selected wavelength. The antenna features a central radiation-effective expanse which, in the case of transmission, functions as a driven element, and in the case of reception, functions as ... | 03/02/1982 |
| 4201988 | Wideband VHF antenna A wideband VHF antenna operable simultaneously on multiple frequencies hag an instantaneous bandwidth greater than one octave and having a total length less than one-quarter wavelength at the lowest operating frequency. A wideband impedance transformer i... | 05/06/1980 |
| 4131897 | TV Antenna The present invention discloses an antenna for broad-band radio wave receivers comprising a plurality of conductive elongated members, each being attached at one end to a planar conductive base, the other ends converging at and forming the apex of an encl... | 12/26/1978 |
| 4109255 | Omnidirectional broadband circularly polarized antenna A circularly polarized antenna providing an omnidirectional pattern over an extremely broad band of frequencies. A pair of arcuate dipoles are mounted at an angle relative to each other and at about 45° to the horizontal plane and fed 180° out of phase ... | 08/22/1978 |
| 4107691 | Antenna for phase front homing A VHF radio frequency antenna for a homing receiver suited for airborne aications and comprising a pair of right angled antenna elements of like configuration terminating in a common non-conductive joint of insulator material while their opposite ends te... | 08/15/1978 |
| 4087824 | Asymmetrically fed antenna arrays A means for reducing ripple in omnidirectional radiation patterns produced by asymmetrically fed antennas arranged around a tower are disclosed. The means comprises antenna mounting panels spaced from the faces of the tower.... | 05/02/1978 |
| 3964051 | Electrostatic communication system A pair of concentric conducting spheres separated by a dielectric layer form a monopole radiator which serves as an antenna for electrostatic waves. Corresponding signal voltages of opposite polarity are placed on the two spheres. At the receiver, variati... | 06/15/1976 |
