Communications: radio wave antennas – Antennas – With means for moving directive antenna for scanning,...
Patent
1996-09-20
1998-11-10
Wong, Don
Communications: radio wave antennas
Antennas
With means for moving directive antenna for scanning,...
343882, 343892, H01Q 300
Patent
active
058350691
ABSTRACT:
A GPS antenna comprises an antenna body that can rotate between horizontal and vertical positions between the handle horns on the top of an optical total station. A GPS receiver embodiment comprises an integrated body and antenna that can similarly be rotated between horizontal and vertical positions between the handle horns on the top of an optical total station to avoid interference with the total station optics.
REFERENCES:
patent: 3421095 (1969-01-01), Hardway
patent: 4652890 (1987-03-01), Crean
patent: 5223845 (1993-06-01), Eguchi
patent: 5475395 (1995-12-01), Nakamura et al.
patent: 5526010 (1996-06-01), Plunk
patent: 5594460 (1997-01-01), Eguchi
patent: 5646638 (1997-07-01), Winegard et al.
Phan Tho
Schatzel Thomas E.
Trimble Navigation Limited
Wong Don
LandOfFree
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