Antenna with single or double reflectors, with shaped beams and

Details Antenna with single or double reflectors, with shaped beams and Antenna with single or double reflectors, with shaped beams and

1997-03-10

1999-11-23

Wong, Don

Communications: radio wave antennas

Antennas

With polarization filter or converter

343753, H01Q 1900

Patent

active

059908424

ABSTRACT:
Shaped beam antenna, with single or double reflector, gridded or non-gridded, the shaped beams, which can rotate the polarisation, independent of the polarisation of the feed cluster, for use preferably aboard satellites and in micro-wave antennas. The antenna includes a reflector (1), one or more polarisers (2), (2a), one or more feed clusters (3), (3a) , microwave circuits (4), (4a) to set-up the BFN, input port (5), (5a), and connections (C) and (C1).

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E. Orleansky et al., "A Broadband Meanderline Twistreflector for the Inverse Cassegrain Antenna", pp. 185-192, Microwave Journal, vol. 30, No. 10, Oct. 1987.
Te-Kao Wu, "Meander-Line Polarizer for Arbitrary Rotation of Linear Polarization", pp. 199-201, IEEE Microwave and Guided Wave Letters, vol. 4, No. 6, Jun. 1, 1994.

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