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7619577 |
Open-slot antenna
The open-slot antenna contains a rectangular main metallic plate having a similarly shaped slot, first and second auxiliary metallic plates extended perpendicularly from the main metallic plate for...
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7612730 |
Antenna system and antenna thereof
An antenna system and an antenna thereof are provided. The antenna system comprises an antenna array including a plurality of antennas and at least one plate. The at least one plate is used for...
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7612729 |
VHTR TSA for impedance matching method
A VHTR TSA For Impedance Matching Method (NC#098835). The method includes providing a first antenna element of a tapered slot antenna pair, providing a second antenna element of the tapered slot...
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7605769 |
Multi-ban U-slot antenna
In a multi-band U-slot planar antenna, a limited ground plane is provided. A connector includes a ground terminal connected to the ground plane and a feeding terminal for feeding a signal. A planar...
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7598918 |
Tubular endfire slot-mode antenna array with inter-element coupling and associated methods
The tubular slot-mode antenna includes an array of slot antenna units carried by a tubular substrate, e.g. a cylindrical substrate, and each slot antenna unit having a pair of patch antenna...
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7592963 |
Multi-band slot resonating ring antenna
A multi-band slot resonating ring antenna (SRRA) is suitable to be manufactured on a circuit board. A first conductive plane includes concentric slots corresponding to different frequency bands....
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7589692 |
Planar inverted F antenna tapered type PIFA with corrugation
A planar inverted F antenna having a radiation patch having an asymmetric shape of linearly-tapered rectangle with a plurality of corrugated hollows is disclosed. The planar inverted F antenna...
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7583233 |
RF Receiving and transmitting apparatuses having a microstrip-slot log-periodic antenna
A log-periodic antenna having a layer of dielectric media interposed between a microstrip log-periodic portion and a slot log-periodic portion where an array of two or more log-periodic antennas...
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7570225 |
Antenna and non-contact tag
An RFID antenna that can be disposed in a space-saving manner. The RFID antenna comprises an outermost peripheral conductive line that is bent in a manner extending along sides of a generally...
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7561046 |
Radio tag reading apparatus
A reader antenna is connected to an interrogator. Conductors are arranged at two places at the opposed marginal edge portions of a radiation plane of the reader antenna along a radiation direction...
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7557765 |
Smart antenna with adjustable radiation pattern
A smart antenna with an adjustable radiation pattern is described. A plurality of slot antennas are formed at a metal layer which is grounded, wherein openings of the slot antennas point to...
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7554491 |
Low profile distributed antenna
This invention provides low profile distributed antenna which comprises a first and second elongated continuous conductors being kept parallel to each other and forming a transmission line, a...
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7551145 |
Slot antenna
An antenna ( 10 ) having a top ( 14 ), a bottom ( 16 ), and a longitudinal axis ( 20 ). An outer shell ( 12 ) of electrically conductive material is provided which is coaxial with the longitudinal...
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7548167 |
RF tag and method of manufacturing the RF tag
An RF tag to accompany a conductive object is disclosed that includes an antenna and an integrated circuit connected to the antenna. The antenna includes a first radiating element, a second...
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7545335 |
Small conformable broadband traveling-wave antennas on platform
The invention is a novel solution to circumvent the fundamental gain bandwidth limitations of an antenna of a given size by using a traveling-wave (TW) antenna and strongly coupling it with the...
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7545334 |
Antenna and receiver
It is an object of the present invention to provide an antenna capable of reducing a backside gain while keeping the sensitivity of overall antenna to a certain level. Particularly, in the case of...
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7542004 |
Parasitic dipole for azimuth uniformity in broadband antennas apparatus and method
A horizontally polarized, substantially omnidirectional broadband transmitting antenna uses parasitic dipoles to increase azimuthal circularity over frequency. Because the magnitude of nulls in the...
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7541999 |
Polarization switching/variable directivity antenna
A polarization switching/variable directivity antenna according to the present invention includes a ground conductor plate 12 on a surface of a dielectric substrate 11 , and has a radiation...
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7538736 |
Variable slot antenna and driving method thereof
A variable slot antenna includes: ground conductors 101 a and 101 b , which are divided by a slot region 109 both of whose both ends are open ends 111 a and 111 b ; a feed line 115 for...
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7532172 |
Differentially-fed variable directivity slot antenna
With a differential feed line 103 c , open-ended slot resonators 601, 603, 605 , and 607 are allowed to operate in pair, a slot length of each slot resonator corresponding to a ¼ effective...
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7525498 |
Antenna array
An antenna array includes a folded thin flexible circuit board with a thin dielectric layer and a conductor layer pattern formed on a first surface of the dielectric layer. The circuit board may be...
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7518565 |
Tapered slot antenna cylindrical array
A Tapered Slot Antenna Cylindrical Array (NC#97194). The apparatus includes a base and a tapered slot antenna array. The base is capable of retaining a plurality of tapered slot antenna pairs. The...
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7511674 |
Shunt antenna for aircraft
A shunt antenna mountable on an aircraft comprises a lower plate, an antenna element formed above the lower plate and integrated within a dorsal fin of the aircraft where the antenna element is...
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7505011 |
Antenna apparatus
An antenna apparatus capable of main beam direction switching is provided that achieves high gain with a small, planar configuration. Rhombic antenna sections composed of linear elements 101 a ...
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7501990 |
Dual band slot array antenna above ground plane
A multiple frequency directional antenna is provided. The antenna includes a radiating array aligned over a ground plane. The radiating array has at least two first elongated slots and two second...
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7498995 |
UWB antenna having 270 degree coverage and system thereof
An ultra wide band antenna having a 270° coverage and a system thereof. The ultra wide band antenna includes a dielectric substrate, two Vivaldi horn radiators attached to the dielectric substrate...
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7498994 |
Dual band antenna aperature for millimeter wave synthetic vision systems
A dual band antenna system for synthetic vision systems including a slotted waveguide antenna having rows of slots on a front surface, a microstrip patch array antenna overlying the front surface...
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7498906 |
Radiating coaxial cable having spaced periodic aperture arrays
A radiated mode coaxial cable comprising an outer conductor provided with a periodic aperture array, comprising a plurality (n) of apertures or aperture sets, repeated along the length of said...
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7486248 |
Microwave demulsification of hydrocarbon emulsion
Recovery of hydrocarbons, such as petroleum products, from a liquid or solid substrate is facilitated by the use of microwave energy to energize and separate molecular bonds between the...
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7486247 |
Millimeter and sub-millimeter wave detection
In accordance with one embodiment of the present invention, an antenna assembly comprising an antenna portion and an electrooptic waveguide portion is provided. The antenna portion comprises at...
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7471254 |
Triplate planar slot antenna
A triplate planar slot antenna formed by laying a ground plate, a lower layer side dielectric layer, a lower layer side copper-clad film substrate, an upper layer side dielectric layer, a slot...
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7471246 |
Antenna with one or more holes
The invention refers to a new type of multihole antenna which is mainly suitable for mobile communications or in general to any other application where the integration of telecom systems or...
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7446728 |
Method and apparatus for constructing general wireless antenna systems
An antenna system of any three dimension (3D) geometry and method for constructing said system with an array of basic antenna elements are described. An antenna system beam pattern is specified....
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7443344 |
Antenna arrangement and a module and a radio communications apparatus having such an arrangement
An antenna arrangement for a radio communications apparatus such as a mobile phone, comprises a substantially planar patch conductor having a first feed connection point for connection to radio...
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7439924 |
Offset overlapping slot line antenna apparatus
An offset overlapping slot line comprises a first metallization on a first side of a dielectric substrate and a second metallization on a second side of a dielectric substrate cooperating to yield...
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7436371 |
Waveguide crescent slot array for low-loss, low-profile dual-polarization antenna
A low-loss, low-profile dual-polarization slotted waveguide antenna includes one or more waveguides having a characteristic wavelength. Radiation apertures comprised of a waveguide slot pairs are...
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7432870 |
Planar antenna
A planar antenna includes first and second radiation elements. A first partial periphery of the first radiation element and a second partial periphery of the second radiation element face each...
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7432861 |
Dual-band antenna
A dual-band antenna ( 10 ) is provided. The dual-band antenna printed on a substrate ( 30 ) includes a transmission portion ( 120 ), a first radiator ( 140 ), a second radiator ( 160 ), a first...
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7429959 |
Process and device for the radio transmission of signals generated near the body
A process and a device for the radio transmission of signals generated near the body via an array of at least two antennas arranged in different positions near the body. At least one antenna, which...
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7429933 |
Bracket system and method for use with remote-reading water meters
A bracket and method for use in mounting a transducer/antenna unit in an underground meter box of the type which contains a remote-reading water meter. The box has a peripheral ledge defining an...
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7427957 |
Patch antenna
A patch antenna for achieving a vertically-polarized radiation pattern is described. The patch antenna includes a closed-curve slot within which a signal feed point is located. Parasitic slots are...
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7420519 |
Single polarization slot antenna array with inter-element coupling and associated methods
The slot-mode antenna includes an array of slot antenna units carried by a substrate, and each slot antenna unit having a pair of patch antenna elements arranged in laterally spaced apart relation...
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7414590 |
Dual polarised antenna device for an antenna array and method for manufacturing the same
An antenna device has a sheet-shaped support which is folded along various fold-lines. The support includes a first support plane adjacent to one of the fold-lines and a second support place...
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7408519 |
Dual polarization antenna array with inter-element capacitive coupling plate and associated methods
The dual-polarization antenna with a slot pattern can produce vertical polarized energy near the horizon and can scan to near grazing angles. The dual-polarization, slot-mode antenna includes an...
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7408518 |
Radiating slit antenna system
The invention relates to an antenna system comprising a first type of antenna and second and third antennas of a second type. The first to third antennas are slots which are excited by longitudinal...
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7405699 |
Multiple input multiple output antenna
A MIMO antenna ( 20 ) disposed on a substrate ( 10 ) including a first surface ( 102 ) and a second surface ( 104 ). The MIMO antenna includes a first antenna ( 20 a ) and a second antenna ( 20 b )...
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7403170 |
Differential-feed slot antenna
With a differential feed line 103 c , slot resonators 601, 603, 605 , and 607 are allowed to operate in pair, a slot length of each resonator corresponding to a ½ effective wavelength during...
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7403169 |
Antenna device and array antenna
The present invention relates to a broadband non-resonant antenna device for wireless transmission of information using electromagnetic signals, comprising a metal sheet layer, forming a plane,...
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7403159 |
Microstrip antenna having a hexagonal patch and a method of radiating electromagnetic energy over a wide predetermined frequency range
An electrically conductive hexagonal patch element for a patch antenna. The hexagonal patch element comprising a hexagonal shape with a first angle and a second angle opposite the first angle, a...
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7397440 |
Extended phase center tapered slot antenna
A Extended Phase Center Tapered Slot Antenna (NC#97529). The apparatus includes a first antenna element capable of transmitting and receiving radio frequency energy; a second antenna element...
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