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| Number | Title | Issue Date |
| 7283103 | Compact broadband antenna A compact broadband antenna. The antenna includes a first mechanism for receiving input electromagnetic energy. A second mechanism provides radiated electromagnetic energy upon receipt of the input electromagnetic energy. The radiated electromagnetic energy is provi... | 10/16/2007 |
| 7245267 | Mobile radio antenna radome with integral reflector An improved radome comprises at least one conductive flat structure integrally incorporated in the material of the radome, which acts as a reflector for a mobile radio antenna at least partially enclosed within the radome. ... | 07/17/2007 |
| 7215294 | Antenna with reflector An antenna which includes a monoconical antenna feed assembly, where the feed assembly has a base and an apex, a ground plane adjacent to the monoconical antenna feed assembly near the apex, and an antenna reflector coupled to the ground plane, where the antenna ref... | 05/08/2007 |
| 7199926 | Diffraction grating device and optical apparatus A diffraction grating device for splitting or coupling light beams permits the divergence of the light beams to be minimized easily. A first light beam is incident on a diffraction grating from the side thereof facing the inside of the device, and a second light bea... | 04/03/2007 |
| 7123205 | Configurable omnidirectional antenna Configurable antenna, adapted to transmit or to receive at least one beam of electromagnetic radiation in a direction and over an angular width that are adjustable. The antenna includes an antenna that is omnidirectional about a given axis z. The omnidirectional ant... | 10/17/2006 |
| 7059765 | Temperature measuring apparatus and related improvements An apparatus for measuring the temperature of an object. The apparatus includes a device for establishing a standing wave pattern or radiation emanating from the object and a coupling device for coupling the radiation to a detector, such as a measuring radiometer. | 06/13/2006 |
| 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 (114) to a plurality of transmission line stubs (104... | 04/04/2006 |
| 6982678 | Apparatus and method using wavefront phase measurements to determine geometrical relationships An apparatus includes a microwave source that produces a microwave feed beam, and a first pair of microwave sensors that each intercept and receive a portion of the microwave feed beam. The two microwave sensors are spaced apart from each other along a first-pair ax... | 01/03/2006 |
| 6980168 | Ultra-wideband antenna with wave driver and beam shaper An antenna comprises an antenna feed line having first and second conductors. It also comprises an antenna driver section having a pair of opposing cones. Each of the cones has an apex region and the cones are arranged so that the apex regions are spaced apart and a... | 12/27/2005 |
| 6980169 | Electromagnetic lens In an exemplary apparatus implementation, an electromagnetic lens includes: an input section including multiple input probes and a curvilinear input reflector; an output section including multiple output probes and a curvilinear output reflector; and a coupling sect... | 12/27/2005 |
| 6933903 | Receiving signals from plural satellites in one antenna A device for receiving/transmitting electromagnetic signals from/to at least two satellites fixedly located at points at the geostationary path comprises an antenna, for example a lens (1) of waveguide nature. The antenna images remote points at a focal surfa... | 08/23/2005 |
| 6930648 | Satellite receiver In a satellite receiver a feeder element is provided that includes several feeder horns on a microwave head (low noise block downconverter (LNB)) for distributing satellite signals from different satellites to different channels in the different horns and means for ... | 08/16/2005 |
| 6876335 | Arrangement for feeding a centrally focused reflector antenna An arrangement for feeding a centrally focused reflector antenna includes a waveguide (1), a dielectric field transformer (2) arranged on the waveguide (1) and a mounting platform (3) for a series of modules (8) which is embodied o... | 04/05/2005 |
| 6864849 | Method and apparatus for creating an EH antenna An antenna system for transmitting and receiving, in association with a radio device that develops an H-field and an E-field corresponding to a radio frequency power signal having a voltage and a current, the voltage having a phase relationship to the current. The a... | 03/08/2005 |
| 6862000 | Reflector antenna having low-dielectric support tube for sub-reflectors and feeds An antenna exhibiting improved transmission and reception capabilities. The antenna does not make use of a solid support tube or solid support rods used by previous antennas to support a sub-reflector or other device above a main reflector of the antenna. Instead, t... | 03/01/2005 |
| 6859184 | Polarized wave separating structure, radio wave receiving converter and antenna apparatus The septum is extended through the opening to the radio wave receiving portion to separate respective polarized waves received by a pair of radio wave receiving portions, and a space between the septum and the radio wave receiving portion is set such that an end sur... | 02/22/2005 |
| 6686891 | System and method for a center fed reflector feed for a parabolic antenna A system and method for a center fed reflector feed for a parabolic antenna where the feed is configured to include an output portion that is curved in two directions to thereby enhance the E and H plane patterns of the signal directed rearwardly towards ... | 02/03/2004 |
| 6593893 | Multiple-beam antenna employing dielectric filled feeds for multiple and closely spaced satellites An approach for providing a multiple-beam antenna system for receiving and transmitting electromagnetic signals from a plurality of closely spaced satellites is disclosed. Dielectric inserts are selectively coupled to the feedhorn bodies to alter the radi... | 07/15/2003 |
| 6486846 | E H antenna In an antenna system for transmitting and receiving, in association with a radio device, electromagnetic radiation has an E-field component and an H-field component. The electromagnetic radiation corresponds to a radio frequency power signal having a curr... | 11/26/2002 |
| 6434384 | Non-uniform multi-beam satellite communications system and method A satellite broadcast system and method, particularly useful for television signals, allows for local as well as nationwide broadcast service by allocating greater satellite resources to the more important local service areas. This is accomplished by broa... | 08/13/2002 |
| 6426729 | Conductive transmission line waveguide converter, microwave reception converter and satellite broadcast reception antenna A conductive-transmission-line waveguide converter comprising a waveguide for transmitting an electromagnetic wave, a wiring board brought into contact with a side of the waveguide opposite to a side of the waveguide for inputting an electromagnetic wave,... | 07/30/2002 |
| 6208309 | Dual depth aperture chokes for dual frequency horn equalizing E and H-plane patterns A horn antenna is provided which is capable of operating at a plurality of separate frequencies while providing substantially equalized E and H-plane patterns for each of the separate frequencies. The antenna includes a coupling portion to permit coupling... | 03/27/2001 |
| 6181293 | Reflector based dielectric lens antenna system including bifocal lens A bifocal lens for use in a multiple beam antenna system including a reflector that is at least partially parabolic in one dimension and a pair of waveguides. Multiple received beams are received and reflected by the reflector into an orthogonal mode junc... | 01/30/2001 |
| 6160520 | Distributed bifocal abbe-sine for wide-angle multi-beam and scanning antenna system A multiple beam antenna system including a reflector that is at least partially parabolic in one dimension, a pair of dielectric lenses (or optionally at least one shaped reflector to perform functionality otherwise performed by the lens(es)), and a pair ... | 12/12/2000 |
| 6130649 | Polarizer for exciting an antenna A polarizer for exciting the parabolic reflector of a directional antenna includes a profile section (7) which is formed as a waveguide and is adapted to simultaneously transmit two linearly polarized orthogonal electromagnetic waves. Two rectangular wave... | 10/10/2000 |
| 6097348 | Compact waveguide horn antenna and method of manufacture A parabolic rectangular horn antenna includes a source aperture, a parabolic reflector, and an output aperture. The source aperture has a first port for receiving a planar wavefront signal and a second port for providing a substantially cylindrical wavefr... | 08/01/2000 |
| 6052099 | Multibeam antenna When a converter 14 is rotated via a rotation mechanism 17, the arrangement inclination angle of two primary radiators 15a and 15b can be adjusted in the range of 0 to 20 deg. with respect to an axis which is in parallel with the ground. Also the receptio... | 04/18/2000 |
| 6043789 | Satellite broadcast receiving converter According to the present invention, there is provided a satellite broadcast receiving converter which comprises a waveguide in which the broadcast wave travelling therein travels as a first TE11 mode linearly polarized wave and as a second TE mode linearl... | 03/28/2000 |
| 5526004 | Flat stripline antenna An antenna (10) having a plurality of stripline antennas (12). Each stripline antenna (12) is comprised of a plurality of radiating elements (14). The plurality of stripline antennas (12) are arranged in a flat array. The shape of each radiating element (... | 06/11/1996 |
| 5359336 | Circularly polarized wave generator and circularly polarized wave receiving antenna A circularly polarized generator for transmitting circularly polarized transmitted electromagnetic waves and a circularly polarized wave reception antenna for receiving the electromagnetic waves is disclosed. A crank-shaped conductor pattern composed of a... | 10/25/1994 |
| 4901369 | Microwave transmitter/receiver apparatus The invention eliminates polarization problems and feeder waveguide loss in a miniature microwave transmitter/receiver. This is done by providing a massive heat sink, metal housing with a primary radiator which is rotatably mounted on the end of the housi... | 02/13/1990 |
| 4689631 | Space amplifier The present invention relates to a high-power solid state amplifier arrangement comprising a large number of solid state amplifiers disposed in a waveguide array. The waveguide array is disposed in the aperture of an antenna feed arrangement at the image ... | 08/25/1987 |
| 4109253 | Method and apparatus for substantially reducing cross polarized radiation in offset reflector antennas The polarization properties of the field radiated from a polarization grid have been found to be similar to those in the aperture of an offset curved focusing reflector. Therefore, broadband cancellation of the polarization rotation in a large offset refl... | 08/22/1978 |
