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US 6,150,981 AGranted
Plane antenna, and portable radio using thereof
AssigneeKYOCERA Corporation
InventorsAkihiro Suguro, Takahito Morishima
Life of this patent
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Abstract
Of four sides of a quadrilateral conductor to be used as a radiating element, at least three sides are made different in length from each other.
Claims5
A microstrip plane antenna comprising:
- a dielectric substrate plate,
- a patch conductor provided on one side of said dielectric substrate plate, and
- a ground conductor provided on the other side of said dielectric substrate plate and which feeds electric power to said patch conductor by means of a back feeding method, wherein
- said patch conductor has a quadrilateral shape and at least three different-sized sides.
1 more element
A portable radio comprising:
- a microstrip plane antenna which includes a dielectric substrate plate,
- a quadrilateral patch conductor provided on one side of said dielectric substrate plate, and
- a ground conductor provided on the other side of said dielectric substrate plate and which feeds electric power to said patch conductor by means of a back feeding method,
- wherein
- said quadrilateral patch conductor has
- at least three different-sized sides;
- and
- a helical antenna electrically connected to a lower portion of said plane antenna.
5 more elements
Dependencies are inferred from the claim text.