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WO/1998/039817A1 |
A directional center-fed half wave dipole antenna is constructed from a multilayer substrate (100) having dipole antenna elements (112, 142) disposed on opposite surfaces (113, 141) of the multilayer substrate (100). An energy reflector ...
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WO/1998/038692A1 |
A directional antenna assembly (10) for a hand-held communications terminal includes a reflector (16) and a director (18) disposed on opposite sides of an antenna radiator element (12) to minimize body loading effects and thereby maximiz...
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WO/1998/035403A1 |
Disclosed is a microwave antenna array, consisting of a focusing means (11) and at least one supply element (10), in which at least one component support (14) comprising electronic or electrical components (16, 17) is arranged in an area...
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WO/1998/034295A1 |
An antenna for receiving and/or transmitting electromagnetic waves, comprising an array of antenna elements including at least one longitudinal row of antenna elements (7) located at a distance (d) from each other, each such row of anten...
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WO/1998/027608A1 |
A dish-reflector (2) is hooked to a fixing-bracket (1) by engaging slots (11) in the reflector (2) on ears (10) of the bracket (1). The ears (10) lie flat with the reflecting surface (13) within pressed-out pockets (12), and a fitting (1...
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WO/1998/024145A1 |
A microwave antenna wherein the microwaves are radiated from or received by a thin layer radiating receiving microwave guide section (28) in which a dielectric slab (9) is sandwiched between a metallic bottom plate (2) and a metallic rad...
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WO/1998/020579A1 |
Disclosed is a lens arrangement intended to focus radar waves for range finding sensors, especially for automotive vehicles, and characterized by a side-by-side arrangement of a plurality of lens-elements to form one assembly, which enab...
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WO/1998/016967A1 |
A satellite dish cover of the present invention is especially suited for protecting a satellite dish assembly of the type including a support, a dish mounted on the support, and a feeder horn mounted on the support in a position where th...
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WO/1998/015034A1 |
An apparatus for limiting shadowing of RF coverage areas around antennas and closely associated equipment housings is disclosed. The equipment housing and antenna are located in close proximity such that the RF coverage area of the anten...
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WO/1998/015033A1 |
A novel and improved dielectric lens assembly (100) includes a dielectric extension (108) on a hemispherical dielectric lens (104), to provide a dielectric lens which allows selective adjustment of the direction of focus for an antenna c...
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WO/1998/011625A1 |
An antenna system mounted in a mobile radio which is reduced in element length and increased in strength without causing any characteristic deterioration even when its antenna that can be housed in the main body of a telephone set used f...
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WO/1998/010305A1 |
A microwave radio frequency landing system includes an aircraft borne transmitter/receiver (transceiver) (56) and a ground unit. The ground unit comprises a dielectric material lens and a transponder module array. The transceiver (56) tr...
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WO/1998/010486A1 |
The invention discloses a reception antenna for picking up signals originating from a stationary satellite (15), comprising in particular a paraboloid reflector (10) capable of reflecting the signals received and concentrating them in a ...
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WO/1998/008270A1 |
A reflector antenna is disclosed for simultaneously receiving the radiation fields of n$m(G)2 satellites positioned on orbit at azimuthally offset positions with respect to one another. The reflector antenna has a reflector (1), in parti...
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WO/1998/007210A1 |
A feed system for an antenna has a set of inner and outer coaxial waveguides (70, 66) which apply, respectively, both higher and lower frequency radiations to a common radiating aperture provided by a horn (68) and a shroud (62) which en...
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WO/1998/007212A1 |
A feed system for an antenna has a set of inner an outer coaxial waveguides (70, 60) which apply, respectively, both higher and lower frequency radiations to a common radiating aperture provided by a horn (68) and a shroud (62). Lower fr...
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WO/1998/007209A1 |
A feed system for an antenna has a set of inner and outer coaxial waveguides (70, 66) which apply, respectively, both higher and lower frequency radiations to a common radiating aperture provided by a horn (68) and a shroud (62) which en...
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WO/1998/007211A1 |
A feed system for an antenna has a set of inner and outer coaxial waveguides (70, 60) which apply, respectively, both higher and lower frequency radiations to a common radiating aperture provided by a horn (68) and a shroud (62). Lower f...
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WO/1998/006147A1 |
An improved subreflector antenna with lower sidelobes than the prior art subreflector antenna is disclosed herein. A tapered, anisotropic, corrugated subreflector (11) is attached to a waveguide (3) and located at the focus of a near-par...
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WO/1998/001922A1 |
A system for establishing and utilizing a wireless communication system using a lens antenna having a dielectric material lens. The lens focuses output radio frequency (rf) signals into narrow beam rf signals which are directed to a spec...
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WO/1998/001771A1 |
A beam sharpened, low sidelobe antenna is obtained by segmenting the antenna to provide two sub-antennas (13, 15), one of which is arranged as an interferometer (15a, 15b). The output signals of the two antennas are added and subtracted ...
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WO/1997/047988A1 |
To minimise the length of connecting lines between at least one transmitting antenna element (3), at least one receiving antenna element (41, 42, 43) and a common oscillator (5), the receiving antenna element (41, 42, 43) is located outs...
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WO/1997/047055A1 |
An antenna arrangement (10) of the kind, which includes a reflector (11), preferably provided on supporting means (12, 13, 14, 15), a central unit (22) comprising means (31) for guiding collected electromagnetic waves by said reflector (...
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WO/1997/043662A1 |
An event detection device which comprises a microwave transmitter and a microwave receiver, the transmitter emitting microwave radiation at a defined frequency and the receiver measuring the Doppler shift in reflected radiation, the devi...
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WO/1997/042681A1 |
The disclosure relates to an antenna device for radio communications apparatus operating in the frequency range of 800-3000 MHz and including a radiator (14). A dielectric resonator (5) is connected to the supply line (2) of the antenna ...
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WO/1997/041622A1 |
The invention relates to an antenna system having increased capacity, easy assembly, fewer parts, high strength and the capability of enduring high windloads and low temperatures. This is accomplished by an antenna system comprising an o...
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WO/1997/039494A1 |
An antenna having improved front-to-back ratio, the antenna comprising a backplane (101), at least one driven antenna element (103) positioned on a forward side of the backplane, and first (102A) and second (102B) deflector plates dispos...
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WO/1997/038464A1 |
An apparatus for obtaining corrected antenna data includes a processor (40) and a compact range, the corrected antenna data containing co-polarization and cross-polarization properties of an antenna. The compact range defines a quiet zon...
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WO/1997/035358A1 |
A low cost, compact, electronically scanned millimeter wave (MMW) lens enables the projection of a highly directional beam of Ka band millimeter wave (MMW) electromagnetic energy, while eliminating the need for mechanical movement of the...
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WO/1997/035359A1 |
In the past, parabolic offset reflector antennas were fed a signal through a corrugated horn in order to optimise field distribution and polarisation at the reflector. It has been found that cost savings and other advantages are realised...
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WO/1997/032359A1 |
A broadband antenna of small size employs closely-spaced elongated conductive elements (230) forming a loop, the conductive loop having a pair of feeding points located on the mid point of the loop in length, and the conductive loop form...
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WO/1997/032353A1 |
A switching circuit for switching VHF/UHF signals. The switching circuit includes an amplifier (520, 530) for amplifying an input signal, a switching device (D1, D2) for coupling the amplified signal to an output, a control circuit (510)...
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WO/1997/032360A1 |
A single antenna assembly receives both direct broadcast satellite signals (DBS) and terrestrial broadcast signals, such as local VHF and UHF television channel broadcasts. The assembly includes an electromagnetic signal reflector for re...
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WO/1997/029525A1 |
An antenna system for providing radiation over substantially 360� in azimuth by illuminating a conical reflector with a radiation beam having a frequency distribution with a local minimum which is coincident with the point of the refle...
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WO/1997/022158A1 |
A device for scanning in a scanning axis (110) in a scanning plane includes a periodic array of conductive plates (170) disposed along the scanning axis, each conductive plate being substantially rectangular and substantially perpendicul...
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WO/1997/022158A2 |
A device for scanning in a scanning axis (110) in a scanning plane includes a periodic array of conductive plates (170) disposed along the scanning axis, each conductive plate being substantially rectangular and substantially perpendicul...
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WO/1997/014192A1 |
A data transmitting/receiving satellite terminal for transmitting to and receiving from a geosynchronous satellite (11) employs an antenna (15A, 15B) having nulls in its antenna receiving pattern at a first frequency corresponding to sat...
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WO/1997/012211A1 |
A level sensor assembly (14) is mounted on a flange (24) surrounding a port (16) of a tank (10), and has a waveguide adapter (30, 40) for transmitting microwave energy from a source of microwave energy to an aperture (50) of an antenna (...
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WO/1997/002496A1 |
The invention concerns a monostatic FMCW radar sensor for a vehicle for detecting objects, wherein at least one antenna feed in conjunction with a dielectric lens is designed both to emit and receive a corresponding echo signal. At least...
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WO/1996/041397A1 |
An antenna is disclosed that has windings that are contrawound in segments on a toroid form and that have opposed currents on selected segments. An antenna is disclosed that has one or more insulated conductor circuits with windings that...
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WO/1996/041398A1 |
An antenna is disclosed that has windings that are contrawound in segments on a toroid form and that have opposed currents on selected segments. An antenna is disclosed that has one or more insulated conductor circuits with windings that...
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WO/1996/039729A1 |
The manufacturing process has the following steps: the terminal part of a waveguide section (1) is processed by a controlled cold deformation process to achieve a radiant opening (2); by means of a positioning template there is fixed to ...
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WO/1996/039612A1 |
A "laser tape measure" for measuring distance which includes a transmitter such as a laser diode (43) which transmits a sequence of electromagnetic pulses in response to a transmit timing signal. A receiver samples reflections from objec...
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WO/1996/036088A1 |
The invention relates to an antenna device for emitting and/or receiving electromagnetic radiation, such as radar radiation in a car radar apparatus. Sweeping is realized by means of a fixed feeder (15) and a rotatable reflector (6). The...
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WO/1996/034426A1 |
A microstrip antenna having a radiating conductor plate (11) and a grounding conductor plate (12) which are so disposed as to oppose each other. A metal plate (21) is disposed on the grounding conductor plate in the proximity of at least...
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WO/1996/029758A1 |
A variable capacitance antenna allows individual adjustment of linear resonators on a beam antenna. A linear resonator is associated with each dipole element on a common support boom. A variable capacitance is positioned inside the boom ...
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WO/1996/025775A1 |
Multi-beam antennas (10) with relatively large effective apertures for high antenna gain are provided for tower or pole mounting for cellular and other uses. Low wind resistance is achieved by use of thin cylindrical radiating units (11,...
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WO/1996/021164A1 |
A microwave RF landing system having an airborne transmitter/receiver unit which transmits a pulsed interrogation signal toward a ground based transponder unit which receives the pulsed signal through its non-rotating luneberg lens anten...
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WO/1996/021254A1 |
An improved antenna for a portable radio communication device including a first elongate electrically conductive member (10) having opposed first and second ends, the first end adapted to be mounted in electrical communication to a radio...
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WO/1996/019737A1 |
A radar range finder and hidden object locator is based on ultra-wide band radar with a high resolution swept range gate. The device generates an equivalent time amplitude scan with a typical range of 4 inches to 20 feet, and an analog r...
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