Communications: radio wave antennas – Antennas – Wave guide type
Reexamination Certificate
2011-04-26
2011-04-26
Owens, Douglas W (Department: 2821)
Communications: radio wave antennas
Antennas
Wave guide type
C343S761000, C343S763000, C343S7810CA
Reexamination Certificate
active
07932868
ABSTRACT:
A reflector network antenna (A) comprising i) a source (S) delivering wave signals; ii) at least two reflector networks (RR1-RR9) which are different and independent and which both comprise at least two phase shifter cells which selectively phase shift the waves delivered by the source (S) and bring about a selected frequency phase dispersion thereof, said selective phase shifting and selective dispersion varying from one reflector network to another; and iii) a charging device (DC) which is coupled to the reflector networks (RR1-RR9) and which is used to place one of them in a selected position in relation to the source (S) such that the waves that it delivers are phase shifted and phase dispersed at a frequency imposed by said phase shifter cells in order to be reflected in a selected direction.
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J. A. Encinar et al, Three-Layer Printed Reflectarrays for Contoured Beam Space Applications, IEEE Transactions on Antennas and Propagation, IEEE, Inc. New York, US, vol. 52, No. 5, May 2004, pp. 1138-1148, XP001195822.
H. Legay et al, “A steerable relflectarray antenna with mems controls”, IEEE International Symposium on Phased Array Systems and Technology 2003, Oct. 14-17, 2003, pp. 494-499, XP010676736.
Caille Gerard
Gayrard Jean-Didier
Jacquet Yoann
Legay Herve
Salome Béatrice
Duong Dieu Hien T
Owens Douglas W
Sughrue & Mion, PLLC
Thales
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