Multi-layered patch antenna

Details Multi-layered patch antenna Multi-layered patch antenna

1998-12-23

1999-11-23

Wong, Don

Communications: radio wave antennas

Antennas

Microstrip

343829, H01Q 138

Patent

active

059908360

ABSTRACT:
An antenna structure is formed of a first patch plane, a first ground plane, a feed member plane, a second ground plane, and a second patch plane all spaced apart by layers of laminated dielectric substrate. A horn transmits energy upon the second patch plane. The energy is controlled in terms of phase and frequency, and is further electromagnetically coupled to the first patch plane which transmits in the form of shaped or pencil beams. The coupling between patch planes is accomplished by an array of slots located through the ground planes and an array of feed members interposed between the ground planes. The phase differences are established by utilization of feed members with different lengths.

REFERENCES:
patent: 5453751 (1995-09-01), Tsukamoto et al.
patent: 5510803 (1996-04-01), Ishizaka et al.
patent: 5661494 (1997-08-01), Bondyopadhyay

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