Antenna with a main reflector and a subreflector

Details Antenna with a main reflector and a subreflector Antenna with a main reflector and a subreflector

1986-08-07

1989-05-02

Sikes, William L.

Communications: radio wave antennas

Antennas

Wave guide type

343914, H01Q 1914

Patent

active

048272779

ABSTRACT:
The antenna has a main reflector (1), a subreflector (4a, 4b, 5a, 5b), and a feed radiator (2) which are all rotationally symmetric about a common axis (10). In a section in the direction of this axis of symmetry (10), the subreflector has the shape of two curves meeting in the axis of symmetry. Seen from the feed radiator, these curves are concave. Each of the two curves has at least one step (6a, 6b) for matching the feed radiator to the transmitter or receiver.

REFERENCES:
patent: 2695958 (1954-11-01), Lewis
patent: 3096519 (1963-07-01), Martin
patent: 4464666 (1984-08-01), Watanabe et al.
Erukhimovitch et al., "Two-Reflector Antenna", IEE AP Conference, 1978, pp. 205-207.
Aizenberg et al., "Antennas for Radio Communications, Broadcasting and Television", Telecommunications, vol. 24, No. 4, 1970, pp. 29-38.

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