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| Number | Title | Issue Date |
| 7369050 | Curtain for isolating radio propagation zones A curtain for a radio frequency identification (RFID) system including a transponder, an antenna, and a reader, the antenna coupled to the reader, the antenna and the reader for transmitting a radio signal to the transponder and for receiving a response radio signal... | 05/06/2008 |
| 7369051 | Method for isolating radio propagation zones A method for using a radio frequency identification (RFID) system including a transponder, an antenna, and a reader, the antenna coupled to the reader, the antenna and the reader for transmitting a radio signal to the transponder and for receiving a response radio s... | 05/06/2008 |
| 7369049 | System for isolating radio propagation zones A radio frequency identification (RFID) system including a transponder, an antenna, and a reader, the antenna coupled to the reader, the antenna and the reader for transmitting a radio signal to the transponder and for receiving a response radio signal from the tran... | 05/06/2008 |
| 7109935 | Combined optical and electromagnetic communication system and method An antenna system for communicating electromagnetic and optical signals using a common aperture is provided. The system includes at least one optical phased array terminal integrated with an optically transparent electromagnetic antenna such that the optically trans... | 09/19/2006 |
| 6885352 | Wireless communications antenna assembly generating minimal back lobe radio frequency (RF) patterns An antenna assembly for wireless communications has various components to minimize signal influence when transmitting signals to minimize undesirable loop formation phenomena caused by (positive) feedback of signals. Signal wave scattering and diffraction causing ba... | 04/26/2005 |
| 6809695 | Secondary reflector for SHF antennae of the Cassegrain type The invention concerns the secondary reflectors of SHF antennae of the Cassegrain type. It consists of providing the secondary basic reflector (103) of this antenna with a first circular ring (104) in the shape of a cylinder directed toward the ... | 10/26/2004 |
| 6088002 | Antenna system An antenna system including a support structure and an antenna assembly having an open grid reflector structure in a closed ring and dipole elements. The antenna assembly includes a number of antenna panels, each including a number of the dipole elements,... | 07/11/2000 |
| 4626863 | Low side lobe Gregorian antenna A microwave antenna comprising the combination of a paraboloidal main reflector; a subreflector located such that the paraboloidal main reflector and the subreflector have a common focal point lying between the main reflector and the subreflector; a feed ... | 12/02/1986 |
| 4342036 | Multiple frequency band, multiple beam microwave antenna system A single microwave-reflective antenna "dish" can be used in combination with a plurality of multiple-beam microwave feed arrays to generate or receive multiple-beam-path microwave radiation in several different frequency bands. Each of the feed arrays may... | 07/27/1982 |
