Broadband or multiband antenna

Details Broadband or multiband antenna Broadband or multiband antenna

2005-12-13

2005-12-13

Nguyen, Hoang V. (Department: 2821)

Communications: radio wave antennas

Antennas

Microstrip

C343S846000

Reexamination Certificate

active

06975269

ABSTRACT:
A broadband or multiband antenna for microwaves, optical transmission or mobile telephones in which a reflector plane and at least one radiating element disposed in the vicinity of the reflector plane are provided. An assembly of defective PFB material elements is superposed on the reflector plane and the radiating element. Each defective PFB material element is substantially plane, parallel to the reflector, and presents at least one characteristic of magnetic permeability, of dielectric permittivity, and/or of thickness in the direction perpendicular to the reflector that differs from one defective PFB material element to another. The assembly forms a leaky resonant cavity.

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Contopanagos H et al:, “Thin Frequency-Selective Lattices Integrated in Novel Compact MIC, MMIC, and PCA Architectures”, IEEE Transactions on Microwave Theory and Techniques, IEEE Inc. New York, US, vol. 46, No. 11, Part 2, Nov. 1, 1998, pp. 1936-1947, XP000785383, ISSN: 0018-9480, p. 144, left-hand column, paragraphs 1, 2; figure 11.

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