Communications: radio wave antennas – Antennas – With means for moving directive antenna for scanning,...
Patent
1997-09-17
1999-09-14
Wong, Don
Communications: radio wave antennas
Antennas
With means for moving directive antenna for scanning,...
343766, 343765, 318352, H01Q 303, H01Q 308
Patent
active
059529806
ABSTRACT:
A low profile antenna positioning system is disclosed which has a carriage, an antenna, a first member pivotally secured to the antenna and slidably secured to the carriage and a second member pivotally secured to the antenna and pivotally secured to the carriage. The antenna is movable through a wide range of elevation angles and maintains a relatively low profile as it moves back and forth between an elevation angle of from approximately 15.degree. to approximately 69.degree.. In that regard, an upper portion of the antenna moves downwardly and rearwardly in a linear path and a lower portion of the antenna moves upwardly in an arcuate path as the elevation angle increases. Similarly, the upper portion of the antenna moves upwardly and forwardly in a linear path and the lower portion of the antenna moves downwardly in an arcuate path as the elevation angle decreases. The carriage may be pivotally secured to a base for movement about an azimuth axis.
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BEI Sensors & Motion Systems Company
Clinger James
Henry Mark M.
Rogers Mark
Speed Gary N.
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