Communications: radio wave antennas – Antennas – Microstrip
Patent
1982-06-21
1984-12-18
Lieberman, Eli
Communications: radio wave antennas
Antennas
Microstrip
343770, H01Q 138, H01Q 1310
Patent
active
044893280
ABSTRACT:
A microwave antenna has three rectangular conductive elements on the surface of an insulative board. The elements are arranged side-by-side and are separated from one another by longitudinal slots formed of non-conductive regions. Each element has a lateral slot that divides the element into two identical pads. The central element is fed at its slot with microwave energy, either by electrical contact with the periphery of the slot or capacitively from behind the slot. Microwave energy is supplied to the side elements from the central element by means of the longitudinal slots. In operation, microwave energy is propagated or received by the lateral slots to reinforce energy propagated or received by the conductive elements.
REFERENCES:
patent: 3757344 (1973-09-01), Pereda
patent: 4191959 (1980-03-01), Kerr
patent: 4242685 (1980-12-01), Sanford
Greiser, "Coplanar Stripline Antenna", Microwave Journal, 10-76, pp. 47-49.
Lieberman Eli
Wimer Michael C.
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