Communication device
AssigneeWistron Corporation
InventorsCheng-Chieh Yang, Yi Shien Chen
Life of this patent
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Abstract
A communication device includes an RF (Radio Frequency) module, an antenna structure, a first switch element, a second switch element, a plurality of first impedance elements, and a plurality of second impedance elements. The antenna structure is coupled to the RF module. The antenna structure includes a first radiation element and a second radiation element. The first switch element is coupled to the first radiation element. The first switch element is switchable between the first impedance elements. The second switch element is coupled to the second radiation element. The second switch element is switchable between the second impedance elements.
Claims17
A communication device, comprising:
- an RF (Radio Frequency) module;
- an antenna structure, coupled to the RF module, wherein the antenna structure comprises a first radiation element and a second radiation element;
- a first switch element, coupled to the first radiation element;
- a plurality of first impedance elements, wherein the first switch element is switchable between the first impedance elements;
- a second switch element, coupled to the second radiation element;
- and
- a plurality of second impedance elements, wherein the second switch element is switchable between the second impedance elements;
- wherein the antenna structure further comprises a feeding connection element, and the feeding connection element is coupled between the first radiation element and the second radiation element;
- wherein a thickness of the first radiation element is greater than a thickness of the second radiation element;
- wherein the thickness of the first radiation element is from 2 mm to 4 mm, and the thickness of the second radiation element is from 0.5 mm to 1.5 mm;
- wherein the first radiation element and the second radiation element are respectively disposed on two different planes which are substantially parallel to each other;
- wherein a vertical projection of the second radiation element at least partially overlaps the first radiation element.
Dependencies are inferred from the claim text.