| US 7,492,322 B2 | ||
| Multi-satellite access antenna system | ||
| Young-Bae Jung, Daejon (Korea, Republic of); Soon-Ik Jeon, Daejon (Korea, Republic of); and Chang-Joo Kim, Daejon (Korea, Republic of) | ||
| Assigned to Electronics and Telecommunications Research Institute, Daejeon (Korea, Republic of) | ||
| Filed on Dec. 08, 2005, as Appl. No. 11/298,000. | ||
| Claims priority of application No. 10-2004-0109398 (KR), filed on Dec. 21, 2004. | ||
| Prior Publication US 2006/0132372 A1, Jun. 22, 2006 | ||
| Int. Cl. H01Q 3/00 (2006.01); H01Q 3/02 (2006.01) | ||
| U.S. Cl. 343—757 [343/766; 343/882] | 8 Claims |
| 1. A multi-satellite access antenna system for accessing a plurality of satellites having different polarization characteristics,
comprising:
a plurality of first subarray antennas disposed on a first surface of the antenna system, each first subarray antenna having
circular polarization radiation means, having both left handed and right handed polarization electric characteristics relative
to each other;
a plurality of second subarray antennas disposed on a second surface of the antenna system, each second subarray antenna having
linear polarization radiation means having both vertical and horizontal polarization electrical characteristics relative to
each other, wherein the first and second surfaces are, segregated from each other on separate opposite sides of the antenna
system; and
an active module interposed between the first and second subarray antennas wherein the active module is operatively configured
to substantially correct a phase difference artifact of a received satellite signal brought about by an elevation angle of
anyone of the subarray antennas when inputting the received satellite signal.
|