Antenna for use with radio device
AssigneeUniden Corporation
InventorAkio Horibe
Life of this patent
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Abstract
The present invention provides an antenna for a radio device that has sufficient mounting strength with little deterioration in antenna property. A first antenna 1a and a second antenna 1b are provided substantially parallel to each other at both ends of a circuit board 3. Feeding points 2a, 2b are provided at one end of first antenna 1a and second antenna 1b, and are fed in equiphase. As radio-frequency currents 100a, 100b are in equiphase, vertically polarization are radiated, but horizontal radio-frequency currents 101a, 101b are in antiphase, so horizontally polarization are not radiated. Furthermore, antennas 1a, 1b may be formed by the mounting portions of the circuit board on the housing.
Claims7
An antenna for a radio device, comprising:
- a circuit board arranged within a radio device body;
- a first radiating element and a second radiating element arranged in axial symmetry to each other on said circuit board;
- and
- a single feeding point provided on each of said first radiating element and said second radiating element, respectively for feeding in equiphase, wherein said first radiating element and said second radiating element are respectively provided at the ends of said circuit board, the feeding points of said first radiating element and said second radiating element are respectively provided in the vicinity of the corners of said circuit board, and said first radiating element and said second radiating element are both set to the same frequency.
Dependencies are inferred from the claim text.