Antenna apparatus

Details Antenna apparatus Antenna apparatus

1997-05-07

1999-07-20

Tokar, Michael

Communications: radio wave antennas

Antennas

Microstrip

343873, 343872, H01Q 302

Patent

active

059261366

ABSTRACT:
In an antenna apparatus in which n dielectric layers with .epsilon..sub.r1 -.epsilon..sub.rn in dielectric constants are respectively stacked between a ground plate and a major radiating conductor, the thickness t.sub.1 -t.sub.n of the dielectric layers are determined so as to satisfy substantially the following equations:

REFERENCES:
patent: 4401988 (1983-08-01), Kaloi
patent: 4623893 (1986-11-01), Sabban
patent: 5155493 (1992-10-01), Thursby et al.
patent: 5187490 (1993-02-01), Ohta et al.
patent: 5315753 (1994-05-01), Jensen et al.
patent: 5438697 (1995-08-01), Fowler et al.
patent: 5646633 (1997-07-01), Dahlberg

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