Multi-frequency band antenna
DCFirst Claim
1. A multi-frequency band antenna comprising;
- a first radiating clement being shaped as an extended bent wire for functioning as an antenna element of a first frequency band, said first radiating element comprising a conductive material;
a second radiating element for functioning as an antenna element of a second frequency band, said second frequency band being different from said first frequency band, said second radiating element comprising a conductive material; and
a feed radiating element having a first end being used as a signal feed point for signals of said first and second frequency bands, and a second end being electrically connecting said first radiating element to said second radiating element and forming a top loaded structure;
wherein said feed radiating element is disposed on a plane neither containing nor in parallel with said first and second radiating elements, and said feed radiating element forms an angle in a range between 70°
to 180°
with a surface containing said first or second radiating element.
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Abstract
An antenna operable in multiple frequency bands used in a personal wireless communication device comprises a first radiating element, a second radiating element, and a feed radiating element. The first radiating element is shaped as an extended bent wire to function as an antenna for a first frequency band. The second radiating element functions as an antenna for a second frequency band. The feed radiating element has at least two ends. One end is used as a signal feed point so that first and second frequency signals can share the same signal feed point. The other end electrically connects the first radiating element to the second radiating element and forms a top loaded structure. The extended bent wire antenna effectively reduces the overall length of the antenna.
184 Citations
17 Claims
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1. A multi-frequency band antenna comprising;
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a first radiating clement being shaped as an extended bent wire for functioning as an antenna element of a first frequency band, said first radiating element comprising a conductive material;
a second radiating element for functioning as an antenna element of a second frequency band, said second frequency band being different from said first frequency band, said second radiating element comprising a conductive material; and
a feed radiating element having a first end being used as a signal feed point for signals of said first and second frequency bands, and a second end being electrically connecting said first radiating element to said second radiating element and forming a top loaded structure;
wherein said feed radiating element is disposed on a plane neither containing nor in parallel with said first and second radiating elements, and said feed radiating element forms an angle in a range between 70°
to 180°
with a surface containing said first or second radiating element.- View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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Specification