Antenna and frequency modulation method thereof
First Claim
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1. An antenna comprising:
- a plastic body comprising at least a hallow portion; and
a metal element, disposed inside the plastic body, wherein the metal element is flat and comprises a planar radiation portion and two extending portions,wherein a shape and a size of the hallow portion are adjustable.
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Abstract
An antenna and a method for modulating an operating frequency band of the antenna are provided. The present antenna includes a plastic body comprising at least a hallow portion, and a metal element disposed inside the plastic body, wherein the metal element is flat and comprises a planar radiation portion and two extending portions, wherein a shape and a size of the hallow portion are adjustable. The operating frequency band of the antenna is modulated according to a shape and a size of the hallow portion.
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12 Claims
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1. An antenna comprising:
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a plastic body comprising at least a hallow portion; and a metal element, disposed inside the plastic body, wherein the metal element is flat and comprises a planar radiation portion and two extending portions, wherein a shape and a size of the hallow portion are adjustable. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A method for modulating an operating frequency band of an antenna, comprising steps of:
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providing a metal element, wherein the metal element is flat and comprises a planar radiation portion and two extending portions; forming a plastic body for enclosing the metal element; and forming a hallow portion in the plastic body, wherein an operating frequency band is modulated according to a shape and a size of the hallow portion. - View Dependent Claims (8, 9, 10, 11, 12)
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Specification