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| Number | Title | Issue Date |
| 7440758 | Cell planning methods and apparatus, and networks configured based on same Coverage areas for wireless networks are divided into a plurality of cells that are arranged in rows. Channel frequencies are assigned to cell sectors and associated with respective antenna axes. The antenna axes of adjacent rows are alternatingly rotated, thereby r... | 10/21/2008 |
| 7086207 | Antenna sector frame An antenna sector frame that can collapse for easy transport and storage. The antenna frame can be packaged with all of its loose parts in a single container on a relatively flat single skid capable of being stacked in storage. The antenna frame can include a pair o... | 08/08/2006 |
| 7027008 | Antenna ground system An antenna system includes an electrical grounding system for a low power radio transmitter of a traveler's information station. The antenna system includes an elongated metal tube having a lower portion configured to be received in the ground and an upper portion a... | 04/11/2006 |
| 7015861 | Coating applied antenna and method of making same An antenna (100) applied to a structure (200), the antenna (100) comprising a series of conductive and dielectric coatings. A conductive coating backplane or ground plane (110) is applied to a substrate structure (200), a non-condu... | 03/21/2006 |
| 7010304 | Cell planning methods and apparatus, and networks configured based on same Coverage areas for wireless networks are divided into a plurality of cells that are arranged in rows. Channel frequencies are assigned to cell sectors and associated with respective antenna axes. The antenna axes of adjacent rows are alternatingly rotated, thereby r... | 03/07/2006 |
| 7003322 | Architecture for digital shared antenna system to support existing base station hardware A legacy support block interfaces a shared antenna system with existing base station equipment of a service provider. Processing circuitry includes digital-to-analog converter circuitry, analog-to-digital converter circuitry, a local oscillator, and mixers. A shared... | 02/21/2006 |
| 6940471 | Helical antenna This invention relates to antennae and in particular to antennae of the multi-element helically wound type. An helical antenna according to the invention has at least one conductive helix having a vertically orientated central longitudinal axis wherein the helix is ... | 09/06/2005 |
| 6532700 | Flange with cut for wind tower A flange for making a tower for a wind generator made up of a plurality of cylindrical segments, at least one conical transition rings, a plurality of L-shaped flanges having L cuts and a T-shaped flange.... | 03/18/2003 |
| 6361237 | Coupling device A coupling device includes first and second relatively rotating members mounted about a common axis and first and second lines fixed between the first and second members. The first line is adapted to wrap around the first member in a first direction and a... | 03/26/2002 |
| 6266026 | Multiple band antenna An antenna system characterized by decoupling the antenna mast for multiple bands by use of a quarter wave decoupling stub or by the use of a frequency relative trap. As a result the antenna has multiple resonances simultaneously. The foregoing also can b... | 07/24/2001 |
| 4772894 | Device for wind bracing the members of a lattice mast and lattice mast provided with said devices The invention relates to a device for wind bracing of the vertical members of a lattice mast. It is characterized in that it is provided at its ends (5, 6) with detachable means (8, 9) for joining it to its vertical members, which in turn are provided wit... | 09/20/1988 |
| 4769959 | Temporary power line tower assembly and method of installing same A temporary power line tower assembly and method of installing the same to serve emergency needs in restoring power service when a permanent tower is damaged or in need of repair. The temporary tower assembly includes a plurality of prefabricated sections... | 09/13/1988 |
| 4099184 | Directive antenna with reflectors and directors An antenna system of the type wherein the radiating pattern may be controlled to direct the radiation of a signal in a selected direction. The system includes a plurality of radiating elements which are affixed to a coplanar in planes which are equiangula... | 07/04/1978 |
| 4001833 | Whole wave vertical antenna A whole wave antenna is placed on an insulating support and has its feed input located a little above its middle. In order to reduce secondary lobes inductive reactances are serially inserted in the antenna on each side of its feed input so as to produce ... | 01/04/1977 |
| 4001832 | Vertical antenna having an off-center supply A vertical grounded antenna is supplied at one third of its height. The antenna is substantially a whole wave antenna and, in order to reduce the secondary lobes of the vertical pattern of said antenna, its height is so determined as to produce an inversi... | 01/04/1977 |
