Communications: radio wave antennas – Antennas – Microstrip
Patent
1994-06-17
1995-11-14
Wimer, Michael C.
Communications: radio wave antennas
Antennas
Microstrip
343846, H01Q 138
Patent
active
054670950
ABSTRACT:
An antenna has a ground plane and a radiating element supported in electrically insulated, closely spaced-apart relation to the ground plane. Electrical energy is fed to the radiating element for radiation therefrom. The radiating element is constructed so as to lengthen at least one effective electrical dimension of the radiating element relative to a corresponding dimension of an orthogonal projection of the radiating element onto a plane parallel to the ground plane. In the preferred embodiment, the radiating element has a central plane portion substantially parallel to the ground plane, an outer flange portion extending towards the ground plane, and a square cutout centered with respect to the central plane portion.
REFERENCES:
patent: 4320401 (1982-03-01), Schiavone
patent: 4771291 (1988-09-01), Lo et al.
patent: 4907006 (1990-03-01), Nishikawa et al.
patent: 5200756 (1993-04-01), Feller
Parker Reed A.
Rodal Eric B.
Dowden Donald S.
Pelton William E.
Wimer Michael C.
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