Communications: radio wave antennas – Antennas – Antenna components
Reexamination Certificate
2007-10-09
2007-10-09
Nguyen, Hoang V. (Department: 2821)
Communications: radio wave antennas
Antennas
Antenna components
C343S909000
Reexamination Certificate
active
11095526
ABSTRACT:
Multifrequency reflecting antenna (AR), for example for a telecommunication satellite that comprises a reflector (R) with a front face (FA) for reflecting beams of electromagnetic waves belonging to at least two different frequency bands. The front face (FA) of the reflector (R) comprises a structure (ST) defining a three-dimensional pattern with symmetry of revolution, chosen so as to shape the beams such that they have approximately identical radiofrequency characteristics.
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patent: 7065379 (2006-06-01), Kim et al.
patent: 2004/0036661 (2004-02-01), Chang et al.
patent: 1 020 953 (2000-07-01), None
patent: 1 083 625 (2001-03-01), None
Wu T K et al: “Multi-ring element FSS for multi-band applications.” Proceedings of the Antennas and Propagation Society International Symposium (APSIS). Chicago, Jul. 20-24, 1992, New York, IEEE, US, vol. vol. 2, Jul. 18, 1992, pp. 1775-1778, XP010066047.
Ueno K et al: Characteristics of frequency selective surfaces for a multi-band communication satellite Proceedings of the Antennas and Propagation Society Annual Meeting. 1991. Venue and Exact Date not Shown, New York, IEEE, US, vol. vol. 2, Jun. 24, 1991, pp. 735-738, XP010050653.
David Jean-François
Judasz Thierry
Maurel Jacques
Alemu Ephrem
Nguyen Hoang V.
Sughrue & Mion, PLLC
Thales
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