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WO/2000/059071A1 |
An antenna system comprises an antenna element (42; 104; 204) and at least one feed unit (44, 46, 50, 52; 92, 94; 192, 194; 142, 144) coupled to the antenna element so as to allow passage of a signal therebetween, wherein the system incl...
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WO/2000/057514A1 |
The invention relates to an improved multiband antenna for transmission and reception in which the combiner circuit, which is necessary under the state of the art, is simplified. According to the invention no separate band-pass filters a...
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WO/2000/055941A1 |
An easily installable signal enhancement addition (1) for a satellite dish and method for using an installed dish (2) as a reference, and allowing installation of the enhancement without re-acquiring the satellite signal or re-aiming the...
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WO/2000/054369A1 |
An antenna apparatus for generating transmit signals, receiving return signals based on the transmit signals, and/or receive transmitted signals from other sources is provided. The antenna apparatus includes a beam forming system and a b...
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WO/2000/054088A1 |
A telescope capable of canceling an inertia force generated when it is operated so as to eliminate the effect of the inertia on an installation side such as a space station or an artificial satellite, wherein, when a telescope main body ...
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WO/2000/051203A1 |
Antenna radiator, consisting of two plate-like or film-like parts (1, 2) connected by their foot ends (11) to each other and to the supply connection of the antenna. To reduce especially current and voltage losses, the radiator parts are...
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WO/2000/049681A1 |
The invention relates to a parabolic antenna for receiving and sending electromagnetic waves, especially for receiving radio and television programs broadcast by satellites, comprising a bowl-shaped reflector (1) circumscribing an openin...
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WO/2000/048269A1 |
A combination antenna and radio communication device comprises a dielectric base (10) on which a multislot antenna (101) made of conductor, a coplanar transmission line (102), a power supply line, and a high-frequency unit (104) are prov...
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WO/2000/048270A1 |
A lens antenna which is formed integrally with the appearance shape (surface shape) of a mobile unit without impairing the appearance of the mobile unit, which is relatively cheap and easily manufactured, and which is easily assembled an...
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WO/2000/045464A1 |
All the first antenna elements (24) of a secondary radiation part (20) and a phase shifter (26) are built into a single monolithic or laminated substrate. This structure provides a lightweight phased-array antenna.
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WO/2000/045461A1 |
A portable telephone has an antenna structure that directs radiated energy away from the user's head. In one embodiment, the telephone employs an internal transmission antenna, and a metallic surface is interposed between the antenna and...
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WO/2000/045462A1 |
The invention relates to a housing for an electronic apparatus in microwave technology comprised of three parts (2, 8, 11) that are not connected to each other. A central part (2) is formed by a metal plate on which at least one circuit ...
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WO/2000/041269A1 |
The performance of a microwave antenna is improved by incorporating a fine wire dielectric material (16) which has a dielectric constant $g(e) of less than unity at microwave frequencies. The effect of the dielectric material (16) is to ...
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WO/2000/041268A1 |
A 'box-kite', loop antenna system (100) with a detector loop (120) fed at the corner and provided on a substrate. The loop antenna may be employed with a parabolic reflector (130), a Faraday shield and fed with a transmission line, imped...
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WO/2000/041267A1 |
A sectored antenna system has one or more dielectric lenses, each having a surface and two or more antenna feed devices tilted non-parallel to the lens surface and preferably angled in a V pattern. At least one of the feed devices radiat...
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WO/2000/039889A1 |
An antenna assembly is disclosed that comprises a terrestrial antenna (14) and a support (32) that mounts the antenna assembly on a satellite dish antenna (12). The satellite dish antenna has a convex/concave configuration, a periphery, ...
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WO/2000/039894A1 |
The invention relates to a dual-polarized dipole antenna which consists of several separate dipoles. Said dipoles are preferably arranged in front of a reflector (33) and form a dipole square when viewed from above, whereby each dipole (...
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WO/2000/039888A1 |
An antenna assembly is disclosed that comprises a terrestrial antenna (14) and a support that mounts the antenna assembly on a satellite dish antenna (12). The satellite dish antenna has a convex/concave configuration, a periphery, a fro...
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WO/2000/038079A1 |
The present invention introduces a new approach to optimization problems based on a previous theoretical work on extinction patterns in macroevolution. We name them Macroevolutionary Algorithms (MA). Unlike population-level evolution, wh...
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WO/2000/036704A1 |
A high frequency quad antenna includes a full wavelength driven element, a director element spaced from one side of the driven element by a distance equivalent to between 0.12 and 0.50 of the wavelength at the operating frequency of the ...
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WO/2000/031827A1 |
A feeder horn intended particularly for two-way satellite communications equipment and including a central transceiver horn (10) and at least three separate measuring horns (11, 12, 13) placed symmetrically in relation to the feeder horn...
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WO/2000/030215A1 |
The invention concerns a reflector forming a parabolic antenna characterised in that it consists on n contiguous blades made of dielectric material defined by n+1 surfaces of separate parabolic equations configured to define a common ele...
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WO/2000/030207A1 |
A pan-shaped small reflection board (9) provided below a rod-like satellite communication antenna (7) stored facing downward on standby and held, in order to improve a signal receiving capability of a portable terminal device on standby ...
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WO/2000/030212A1 |
A magnetic device (10) is provided for scanning a beam (12) of microwave radiation. The device (10) has a magnetisable body (14) having an aperture and an axis (24) perpendicular to the aperture. A plurality of coils (30, 32) located on ...
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WO/2000/028622A1 |
A Cassegrain antenna system (50) includes a flat dielectric plate radome (52) having a thickness of one-half wavelength at a frequency of operation. The plate has an electrically conductive grid (54) disposed on an inside surface thereof...
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WO2000001031A9 |
Varying the azimuth and elevation beam patterns for an antenna. For a horn-type antenna implemented by a parallel-plate waveguide structure, an input port can accept an electromagnetic signal and an output slot can transmit the electroma...
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WO/2000/027174A1 |
The invention relates to an electrical component (CO) as well as a device (DEV) comprising such an electrical component (CO) and an electric circuit module (MO). A ground plane (4) of the component (CO) and a ground plane (2) of the circ...
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WO/2000/026993A1 |
An antenna used as voltage and power source is designed to operate with arbitrary load, or front end, the antenna has one or more loading bars (950) that are placed adjacent to the elements (400) of the antenna at a spacing distance (940...
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WO/2000/025387A1 |
A planar antenna that includes a high dielectric constant superstrate lens (30) having a plurality of air holes (64) that vary the actual dielectric constant of the lens to provide an effective dielectric constant superstrate lens. The h...
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WO/2000/025388A1 |
A wideband receiver antenna (20) that utilizes a right-circular cylinder-based reflector (24) which is positioned one arc segment away from a di-pole receiving element (22) for use with high definition television signal reception as well...
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WO/2000/025385A1 |
A broadband antenna (50) incorporating both electric and magnetic dipole radiators includes a tapered feed (100), such as a bow-tie feed, having a central feedpoint and first and second outer regions (104a, 104b) displaced from the centr...
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WO/2000/025386A1 |
A circularly polarized reflect array antenna having a plurality of antenna elements, where each antenna element has an electrically conductive patch, at least two electrically conductive stubs positioned along the periphery of the patch,...
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WO/2000/024084A1 |
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 outer conductor positioned coaxial with t...
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WO/2000/019559A1 |
A planar antenna having a simple thin structure, a small transmission loss in a high frequency band including sub-millimeter and millimeter waves, and a high aperture efficiency, produced with high productivity and at low cost, and reali...
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WO/2000/016441A1 |
A sectored antenna system has one or more dielectric lenses (20), each having a surface and two or more low profile antenna feed devices (21). At least one of the feed devices radiate signals into said lenses that emerge as separate dire...
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WO/2000/016438A1 |
The invention concerns a wave reception device (1) comprising an antenna (16) in particular a satellite dish antenna. Said device is characterised in that said antenna (16) is arranged inside a rigid or semirigid case (3) comprising at l...
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WO/2000/014587A1 |
Scanning apparatus which may be used in a real-time passive millimetre wavelength imaging system or in other radiometry systems. The apparatus scans input radiation from a scene and output radiation is transmitted to a receiver system, f...
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WO/2000/014824A1 |
The present invention relates to a mobile transmission antenna (1) for vehicles that comprises a monopole (8) having a reflector (15) associated therewith. The unit thus formed is mounted on or adjacent to the inner surface of members of...
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WO/2000/013261A1 |
An antenna mirror surface measuring/adjusting device comprises a plane mirror larger than the aperture of the main reflecting mirror and parallel to the aperture, an actuator for driving mirror panels of the main reflecting mirror, and a...
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WO/2000/011752A1 |
An efficient multi-beam antenna system (10) for use with a high capacity communications satellite or spacecraft (11) that maximizes frequency re-use of the allocated frequency spectrum. The antenna system (10) has first and second offset...
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WO/2000/011751A1 |
An antenna system (30) includes a lens (40, 50) and a plurality of non-uniform feed elements (42, 52). The non-uniform feed elements (42, 52) are coupled to the lens system and operable to shape each of a plurality of beams (32) to match...
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WO/2000/011754A1 |
A two-dimensionally steered antenna system (40) includes a planar lensing system (64, 94) operable to focus signals received from a plurality of ground-based cells (20). A first steering system (66) is operable to steer a beam (32) for e...
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WO/2000/001032A1 |
A dual band antenna with dual antenna elements, each including a first and a second antenna element (5b, 6b), for transmitting and/or receiving radio frequency radiation in a first, relatively low frequency band and a second, relatively ...
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WO/1999/066593A1 |
An antenna device (10) having reflector elements (35) disposed behind the ground plane (20) of a printed slot or aperture coupled microstrip antenna (12).
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WO/1999/065108A1 |
The radiation efficiency of a radio antenna device is improved by changing the antenna directivity into a direction where obstacles are avoided. A whip antenna (102) is connected through a feeder (105) with a transmitting/receiving secti...
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WO/1999/065251A2 |
Apparatus and method for detecting calling location of radio signal using short pulses from a calling station. The apparatus for detecting calling location of radio signal, comprising: a plurality of antenna systems (101, 102 and 103), e...
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WO/1999/063617A1 |
The main object of the present invention is to provide a wide band antenna device integrated in a vehicle (101) for receiving and transmitting RF signals, without transmitting electromagnetic radiation into the compartment of said vehicl...
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WO/1999/063624A1 |
The present invention relates to antenna feeds (10, 30, 70, 78, 94) for use in linear or circularly polarised systems. In one embodiment of the invention, a cross-type antenna feed (30) comprises a cylindrical metal waveguide housing (12...
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WO/1999/062137A1 |
The present invention relates to the use of a planar graded index superstrate lens in combination with a planar antenna to reduce the antenna size without sacrificing its radiation efficiency. By combining this type of planar superstrate...
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WO/1999/060656A2 |
A low-cost spherical reflector and a mechanically scanned antenna system utilizing such reflectors. The system employs one or more (substantially similar) primary spherical reflectors (each a truncated spherical surface), each having an ...
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