| Document |
Document Title |
|
WO/2000/022696A1 |
A Rotman lens (12, 13) includes a first insulating layer (26) having a high dielectric constant and a second insulating layer (46) having a low dielectric constant. Metalization provided on the first insulating layer includes a lens port...
|
|
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...
|
|
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...
|
|
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...
|
|
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...
|
|
WO/1999/060666A1 |
An antenna suited for receiving/transmitting electromagnetic signals from/to at least two satellites, which are fixedly placed at points on the geostationary path, is waveguide or lens type, formed by a multitude of waveguiding channels ...
|
|
WO/1999/056348A1 |
The invention concerns an antenna system for tracking moving satellites (2¿1?, 2¿2?) along predetermined trajectories, characterised in that said system comprises at least first (11) and second (12) transmitting/receiving elements movi...
|
|
WO/1999/054955A2 |
The invention relates to a centrally fed antenna system whose effective reflector surface is formed in such a way that a maximum of the copolar far field is located on the illuminated coverage surface in line with far field requirements ...
|
|
WO/1999/054958A1 |
The invention concerns a frequency converter arrangement for parabolic antennae receiving vertical and horizontal linear polarisation signals, transmitted by two geostationary satellites not far from each other. The arrangement comprises...
|
|
WO/1999/054961A1 |
The invention concerns a transparent plate (1), in particular a partition glass provided with a coating reflecting radiation and at least one window permeable to high frequency radiation provided with a non-coated surface, the window bei...
|
|
WO/1999/050929A1 |
A two dimensional periodic pattern of capacitive and inductive elements (12, 14) defined in the surface of a metal sheet are provided by a plurality of conductive patches (62) each connected to a conductive back plane sheet (30) between ...
|
|
WO/1999/048045A1 |
Apparatus for the identification of articles (5) endowed with means for changing the polarisation properties of the radiation, comprising a source (1) of non-randomly polarised microwave radiation, and means (3) for detecting the change ...
|
|
WO/1999/043049A1 |
A reflector antenna for polarised microwaves has a primary radiator, a subreflector transparent to microwaves of a desired polarisation and a main reflector for reflecting bundled microwaves with a polarisation rotated in the desired dir...
|
|
WO/1999/043047A1 |
The invention relates to a polarizer (1) for electromagnetic radiation. The polarizer (1) has electrically conductive elements (5, 24) arranged in parallel and at a given distance from each other. The elements (5, 24) are held in positio...
|
|
WO/1999/032740A1 |
Disclosed is a facing panel (1) for the façade of a building wall, comprising a resistive coating (6) arranged in the area of the facing panel (1). In order to improve such a facing panel, said panel (1) consists of a front (2) and a re...
|
|
WO/1999/028993A1 |
The invention relates to a device for changing the polarization of an incident electromagnetic wave. Existing devices to change the polarization of an incident electromagnetic wave preserve signal decoupling, i.e. the relation between us...
|
|
WO/1999/028988A2 |
One aspect of the invention relates to a reflective mat useful to provide an electromagnetically reflective surface on a high-frequency radio antenna. In one version of the invention, the reflective mat includes a conductive mat shaped t...
|
|
WO/1999/019938A1 |
A satellite communications antenna (2) includes a low windload reflector (10) so that the antenna (2) may be used on high windload locations, such as on a ship (4). The reflector (10) has a support structure which includes a grid like st...
|
|
WO/1999/017918A1 |
In accordance with the present invention, a store covering for reducing the radar observability of an externally mounted store is provided with a non-rigid body covering. The body covering is provided with a radar reflective material. Th...
|
|
WO/1999/018631A1 |
An antenna subsystem (120) which comprises an electronic scanning reflector antenna (400) is used for the formation of single and multiple beams. Reflecting surface (420) is covered with at least one dielectric layer (430) which is used ...
|
|
WO/1999/014045A1 |
Disclosed is a composite material adapted for mechanical fastener use as the loop component complementary to a hook component. The composite material is made by laminating a film (10, 116) with an amorphous polymer layer to a prebonded n...
|
|
WO/1999/014821A1 |
A reflecting material for antennas containing a three-axis woven fabric usable for high frequency band ranging from 20 to 60 [GHz]. A reflecting material (1) for high-frequency band is fabricated by adjusting the weave density n, volume ...
|
|
WO/1999/010950A2 |
The invention consists of improvements of reflector antennas with self-supported feeds. The feed consists of a waveguide tube, a dielectric joint and a sub-reflector. The tube is attached to the center of the rotationally symmetric refle...
|
|
WO/1999/001907A1 |
The device provided to equip the telephone receiver portion of a protable telephone powered by electromagnetic radiation reduces or event totally prevents the outgoing or received electromagnetic radiation from penetrating into the human...
|
|
WO/1998/054788A1 |
The invention relates to an antenna (6) for transmission of high frequency signals in a confined space (3, 4), the emission cone (5) being determined by a dielectric lens (12) around the primary transmitter (13), which dielectric lens (1...
|
|
WO/1998/054787A1 |
The invention relates to an enhanced dual polarized antenna system for transmitting and receiving electromagnetic waves whose cruciform transmitter module is directed at an angle of + 45� and -45� in relation to the vertical and cons...
|
|
WO/1998/049750A1 |
Twist reflector antenna comprises a metallised plastics reflector (1), which is preferably moulded and a sub-reflector (2). The reflector (1) has a reflective surface having a plurality of generally parallel corrugated projections (5) ex...
|
|
WO/1998/047020A1 |
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...
|
|
WO/1998/038696A1 |
Three respective reflectors, which comprise a widthwise reflector composed of two half plates facing each other with a rotating support shaft therebetween, a lengthwise reflector composed of two half plates facing each other with the rot...
|
|
WO/1998/038695A1 |
A transverse reflection plate comprising two rotatable half plates opposing each other through a rotary support shaft and a longitudinal plate comprising two half plates opposing each other through the rotary support shaft are so dispose...
|
|
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...
|
|
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...
|
|
WO/1998/026471A2 |
An antenna element (108) is provided that includes a frequency selective surface portion (110) on its primary radiating/receiving surface. The antenna element (108) is conductively or capacitively coupled to an RF feed structure (112) th...
|
|
WO/1998/026316A1 |
A nonlinear dielectric material is incorporated within a photonic crystal as a means of changing the refractive index of a defect (110). In this way, the resonant frequency can be easily adjusted, after fabrication, by external mechanism...
|
|
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...
|
|
WO/1998/023970A1 |
In order to increase the focusing of a direction finder device which has at least two identical transducers or groups of transducers (W�L?, W�R?), on the one hand a cumulative signal (b), and on the other hand a differential signal (...
|
|
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...
|
|
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...
|
|
WO/1998/014923A1 |
A passive marker (9) is placed adjacent to a structure (58) in order to locate that structure after burial. The marker has a tuned circuit arrangement (29) contained within a housing (31). The tuned circuit arrangement has plural tuned c...
|
|
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...
|
|
WO/1998/009490A1 |
A windowpane which can be treated for electromagnetic shielding by selecting radio waves of a required frequency band only and, even when the glass plate is installed, the pane can be easily treated for electromagnetic shielding without ...
|
|
WO/1998/006509A1 |
Applications of a metallized textile. The textile is activated by precipitating noble metal nucleation sites on the fibers of the textile. Immersing the activated textile in a suitable prepared solution of a metal cation, and adding a re...
|
|
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...
|
|
WO/1998/001921A1 |
A dual-frequency array antenna having an essentially planar structure with electronic beam steering capability in both a low and high frequency band independently of each other, constructed, in a layered formation, from a top planar arra...
|
|
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...
|
|
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...
|
|
WO/1997/041620A1 |
As the number of satellite dishes increases, the invention proposes a film sticker for satellite dishes with individual designs to improve the visual environment. The ornamental design is to be protected separately by design copyright. T...
|
|
WO/1997/034337A1 |
The invention concerns a method and device for adaptive polarization conversion. According to the invention, an electromagnetic wave is received from a polarization-invariant antenna and transformed by a controlled polarization converter...
|
|
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...
|
|
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)...
|
