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7619568 |
Patch antenna including septa for bandwidth control
A patch antenna element includes a parasitic patch which is positioned on a top surface of a substrate. Located beneath the parasitic patch is a driven patch. The driven patch is coupled either...
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7612728 |
Microwave antenna for flip-chip semiconductor modules
The invention relates to a microwave antenna for flip-chip semiconductor modules, comprising two semiconductor substrates which are metallized on the surface thereof. Patch antennas, i.e....
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7595765 |
Embedded surface wave antenna with improved frequency bandwidth and radiation performance
Embedded surface wave antenna elements incorporating different dielectric materials or other features are provided. The different dielectric materials can arranged adjacent a feed, to absorb energy...
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7592965 |
Decoupling arrays of radiating elements of an antenna
The present invention provides an antenna comprising at least two arrays comprising respective pluralities of radiating elements in alignment, disposed in parallel planes, and metal screens...
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7446725 |
Antenna structure assembly
An antenna structure including a ground plate, a hollow bolt, and a conductive conical dome is provided. The hollow bolt passes through the ground plate, and a signal wire is laid in the hollow...
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7439926 |
Planar antenna fitted with a reflector
A planar antenna fitted with a reflector of small shape and small depth. A reflector 21 of planar shape is provided at the rear face of a radiator 20 of planar shape made of a triangular loop...
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7436369 |
Cavity embedded meander line loaded antenna and method and apparatus for limiting VSWR
A wideband meander line loaded antenna is configured to be flush mounted to a conductive surface serving as a ground plane by embedding the meander line components within a conductive cavity...
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7408523 |
Antenna assembly
An antenna assembly is disclosed which can minimize interference of antennas for communication services. The antenna assembly is suitable to minimize side-lobes and back-lobes interfering with each...
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7372414 |
Apparatus for emission and/or reception of electromagnetic waves for aerodynes
This invention relates to an apparatus for emission and/or reception of electromagnetic waves for aerodynes, characterised in that it comprises a blade antenna on the top of the fuselage of the...
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7358920 |
Cavity embedded antenna
A nested cavity embedded loop mode antenna is provided with an ultra wide band response by nesting individual embedded cavity meander line loaded antenna modules, with the meander lines coupled to...
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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...
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7345648 |
Antenna unit
An antenna unit comprises a hollow cylindrical member obtained by forming a flexible insulating film member into a hollow cylinder and an antenna pattern composed of a plurality of conductors...
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7289079 |
Radiating element for radar array
A radiating element for a radar array has a conductive shell defining a cavity having an aperture; a dielectric material at least partially covering the aperture, and an excitation device coupled...
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7283096 |
Microstrip patch antenna for high temperature environments
A patch antenna for operation within a high temperature environment. The patent antenna typically includes an antenna radiating element, a housing and a microwave transmission medium, such as a...
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7250917 |
Directional wire antennas for radio frequency identification tag system
Directional wire antennas for use in article or personal tracking and/or inventory monitoring or control systems wherein the antennas are specifically configured to provide a tunable vertical beam...
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7224318 |
Antenna apparatus and method for mounting antenna
A planar antenna has a radiating element and a ground plate. A body of a vehicle has an internal edge that is formed by making a hole in the body. The planar antenna is located in the hole so that...
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7187328 |
Antenna device
In an antenna device having a substantially conical conductive member, having upper and lower sides made open, erected in a substantially vertical direction around a substantially circular...
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7098853 |
Conformal channel monopole array antenna
According to an embodiment of the present invention, a conformal channel monopole array antenna includes a base plate having a continuous electrically conducting channel formed therein, and a...
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7079078 |
Patch antenna apparatus preferable for receiving ground wave and signal wave from low elevation angle satellite
A patch antenna apparatus includes an antenna element and a metal frame, which are disposed on a ground plane. The antenna element has a dielectric substrate, which has a patch electrode on the top...
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7053835 |
Antenna unit having a non-feeding conductor wall so as to enclose a patch antenna
In an antenna unit including a patch antenna, the antenna unit is provided with a non-feeding conductor wall so as to enclose the patch antenna. The conductor wall is, for example, made of metal....
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7034768 |
Antenna system
An underground telemetry system having an antenna system having at least one metallic radiating element having a single or a dual top loaded folded monopole configuration and disposed within a...
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7030831 |
Multi-polarized feeds for dish antennas
A multi-polarized forward feed and dish configuration for transmitting and/or receiving radio frequency (RF) signals is disclosed. The configuration comprises a conductive reflector dish, having a...
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7023384 |
Beam steering with a periodic resonance structure
Method and apparatus for steering an antenna beam using a periodic resonance structure ( 300 ). The method can include the step of electrically and magnetically coupling a first fluid dielectric (...
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7019699 |
On-board antenna
An on-board antenna including a radiation element provided on a dielectric substrate, and a grounding conductor surrounding a periphery of an outer edge portion of the radiation element at a...
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7009571 |
Method and apparatus for forming symmetrical energy patterns in beam forming antennas
A method and apparatus by which electromagnetic wave energy is passed through a beam-forming antenna thereby forming a capacitive surface reactance which eliminates E-plane edge currents on the...
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6975276 |
System and low-loss millimeter-wave cavity-backed antennas with dielectric and air cavities
A cavity backed millimeter-wave antenna comprises a dielectric cavity within a semiconductor substrate having walls defined by a plurality of vias through the substrate, and a gas cavity external...
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6967628 |
Dynamically reconfigurable wire antennas
An antenna ( 100 ) includes an antenna radiating element ( 108 ) that is at least partially comprised of a conductive fluid ( 104 ). A dielectric structure ( 102 ) defines at least one cavity ( 110...
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6947005 |
Low cost antennas and electromagnetic (EMF) absorption in electronic circuit packages or transceivers using conductive loaded resin-based materials
Low cost antennas and electromagnetic absorbing parts formed of a conductive loaded resin-based material. The conductive loaded resin-based material comprises conductive fibers, conductive powders,...
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6927731 |
Antenna of small volume for a portable radio appliance
The present invention provides a very small volume and broad band antenna for a portable appliance including a transceiver module with an independent ground and an antenna feed conductor, the...
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6906677 |
Antenna, antenna device, and radio equipment
An antenna has a conductive bottom member;
a conductive side member; and a conductive member arranged in a space surrounded by the bottom member and the side member, wherein the conductive...
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6900772 |
Systems and methods for wireless telecommunications
An antenna having an antenna cup and a helical element mounted in the antenna cup. The antenna cup has a side wall extending from a base thereof towards an open end thereof, the side wall having a...
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6879288 |
Interior patch antenna with ground plane assembly
The present invention provides an antenna unit that eliminates the need for an EMI shield to protect the sensitive components of the antenna unit's circuit board from EMI. The antenna unit includes...
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6859186 |
Flush-mounted antenna and transmission system
An apparatus mounted beneath or behind a surface and being operable to transmit or receive wireless communication signals for transmitting information from one location to a remote location. The...
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6809691 |
Directivity controllable antenna and antenna unit using the same
A top conductor 11, a ground conductor 12, and side conductors 13 form an antenna box having two openings 22 and 23. Antenna elements 14 and 15 are placed inside of the antenna box,...
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6806839 |
Wide bandwidth flat panel antenna array
A cavity-backed wideband slimline flat panel antenna array for providing a steerable beam includes an array of slot antennas, each of which fed by its own individual dipole radiator, with the wide...
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6795024 |
Antenna for satellite reception
An antenna for receiving electromagnetic waves, the antenna including a resonator having an electrically conductive bottom, an electrically conductive top, and an electrically nonconductive section...
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6756942 |
Broadband communications antenna
A broad band communications antenna includes a baseplate which has a conductive layer that includes at least one coupler opening. A stripline network is provided adjacent the conductive layer in...
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6731243 |
Planar antenna device
A planar antenna device comprises a ground plane, a planar antenna element having a principal plane mounted above the ground plane, and a cavity, having an opening partially exposing the antenna...
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6680712 |
Antenna having a conductive case with an opening
An antenna, has a box conductive case having at least a single opening on an upper part, an internal conductor which is stored in the case, is disposed at a bottom, and is shaped like a letter “...
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6643989 |
Electric flush-mounted installation unit with an antenna
A flush mounted installation unit in which an operating portion of the installation unit such as the supporting plate, the covering or switch unit is designed as an antenna so that the unit can...
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6593894 |
Highly directional receiver and source antennas using photonic band gap crystals
A directional antenna made with photonic band gap structures has been presented. The directional antenna is formed with two photonic band gap structures oriented back to back and separated from...
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6577283 |
Dual frequency coaxial feed with suppressed sidelobes and equal beamwidths
An antenna feed in a satellite system that provides substantially equal E-plane and H-plane patterns. The feed includes outer and inner conductive walls that are coaxial, and define an outer...
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6567053 |
Magnetic dipole antenna structure and method
The spiral sheet antenna allows a small efficient antenna structure that is much smaller than the electromagnetic wavelength. It achieves the small size by introducing a high effective dielectric...
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6486847 |
Monopole antenna
The ground conductor, the side conductor, and the ceiling conductor surround the antenna element, which is connected to the coaxial power supply part arranged on the surface of the ground...
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6433750 |
Reception antenna for radio wave marker
Disclosed is a radio wave marker reception antenna which is not easily affected by disturbance noises, such as a broadcast wave, which are set to the same frequency band as the radio wave signal...
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6356241 |
Coaxial cavity antenna
A coaxial cavity antenna including a cylindrical inner conductor sized for propagation of electromagnetic signals in a preselected frequency range. The coaxial antenna also includes a cylindrical...
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6351248 |
Directional antenna
A directional antenna designed to reduce the occurrence of side lobes, thus reducing the possibility of interference with other radio frequencies is disclosed. The directional antenna includes an...
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6323824 |
Dielectric resonator antenna
A dielectric resonator antenna has a dielectric layer and a conducting layer formed on a main surface of the dielectric layer. An electrical contact is formed on the main surface for connecting the...
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6320533 |
Electronic switching interface for use in radar systems
A switching interface for routing RF signals. The interface comprises a buffer decoder which receives first, second and third control signals and then decodes the signals to selectively turn on...
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6317097 |
Cavity-driven antenna system
An electromagnetic wave is transmitted from and received by an antenna system having a cavity member, a passive antenna element and a driver element. The cavity member has a back portion and a wall...
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