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US 7,679,564 B2Granted
Multi-band antenna
AssigneeWistron Neweb Corp.
InventorsHung-Yue Chang, Chen-Hsing Fang, Wei-Li Cheng, Chih-Lung Chen
Life of this patent
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Abstract
The present invention provides a multi-band antenna to which the arrangement of Koch fractal antenna is applied. The multi-band antenna is designed in triangular shape whose area is smaller than the general antenna structure. By using the arrangement of Koch fractal antenna, the area of the inverted-F dual-band antenna can be reduced efficiently, so as to enhance more usability.
Claims7
A multi-band antenna, comprising:
- a radiation element;
- a grounding element, located at one side of the radiation element;
- a conductive pin, comprising:
- a first branch arm, having a first end coupled to the radiation element;
- a second branch arm, isolated from the first branch arm, and having a second end coupled to the grounding element;
- and
- a third branch arm, having a first end coupled to a second end of the first branch arm, and the second end of the third branch arm being coupled to a first end of the second branch arm, wherein the third branch arm of the conductive pin is vertical to the first branch arm and the second branch arm of the conductive pin, and the first branch arm of the conductive pin is parallel to the second branch arm of the conductive pin;
- and
- a signal wire coupled to the conductive pin, for receiving and transmitting signals;
- wherein the radiation element is equally divided into a plurality of predetermined lengths having the same length, and is subject to a fractal evolution within the predetermined lengths.
7 more elements
Dependencies are inferred from the claim text.