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Antenna

An antenna and path technology, applied in antennas, resonant antennas, independent antenna unit combinations, etc., can solve the problems of increasing the difficulty and complexity of antennas, not easy to use mobile phones, and difficult to operate antennas

Inactive Publication Date: 2013-07-10
SUNPLUS MMOBILE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] U.S. Patent No. 7,307,591 discloses a loop antenna for multi-band operation. However, the antenna is not easy to adjust the second and third operating modes, which makes it difficult for the antenna to operate at the desired frequency point and frequency band.
U.S. Patent No. US 7,265,726 discloses a multi-frequency antenna design that integrates a loop antenna and a folded dipole antenna. However, this antenna has the disadvantage of a large area. In addition, the distance between the antenna feed point and the ground point of this invention is too large far, it is not easy to actually use it on mobile phones
US Patent Application Early Publication Nos. US 2006 / 0232477, US 2007 / 0115200, and US 2007 / 0222699 and US Patent No. 7,042,402 all disclose three-dimensional (3D) loop and folded dipole antennas. Although these technologies can operate in multiple frequency bands, the three-dimensional design method will increase the manufacturing cost and structural complexity of the antenna
In addition to the disadvantages mentioned above, the disclosed technologies all face the disadvantage that the operating frequency of the antenna is not easy to fine-tune, which will increase the difficulty and complexity of the antenna during the development stage

Method used

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Examples

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no. 1 example

[0030] Figure 1A versus Figure 1B Shown are the side view and the top view of the antenna provided according to the first embodiment of the present invention. Reference Figure 1A versus Figure 1B , The antenna 100 includes: a feeding element 120, a ground element 130, and M conductive antenna paths (for example, the first conductive antenna path 140, the second conductive antenna path 150, and the third conductive antenna path 160 in this embodiment), wherein M is a positive integer greater than or equal to 2. In addition, the ground plane 110 is used to connect to the ground element 130, and the ground plane 110 can be a metal plane with a large metal area such as a system ground plane or a backplane of a liquid crystal display, which is not limited here. The number of conductive antenna paths is just an example, and the number can be more or less, so the number of conductive antenna paths is not used to limit the present invention. The first conductive antenna path 140, th...

no. 2 example

[0037] Figure 2A versus Figure 2B Shown are the side view and the top view of the antenna provided according to the second embodiment of the present invention. Reference Figure 2A versus Figure 2B The antenna 200 includes: a feeding element 220, a ground element 230, and two conductive antenna paths, for example, a first conductive antenna path 240 and a second conductive antenna path 250. Another ground surface 210 is used to connect to the ground element 230, and the ground surface 210 may be a metal surface with a large metal area such as a system ground surface or a backplane of a liquid crystal display, which is not limited here. The first conductive antenna path 240 and the second conductive antenna path 250 extend from the feed element 220 and return to the ground element 230, and the first conductive antenna path 240 and the second conductive antenna path 250 are distributed between the feed element 220 and the ground element 230 The separation space 270 formed ther...

no. 3 example

[0041] image 3 Shown is a side view of an antenna provided according to the third embodiment of the present invention. Reference image 3 , The antenna 400 includes: a feeding element 420, a ground element 430, a first conductive antenna path 440, and a second conductive antenna path 450. In addition, the ground plane 410 is used to connect to the ground element 430, and the ground plane 410 can be a metal plane with a large metal area such as a system ground plane or a backplane of a liquid crystal display, which is not limited here. The component configuration relationship and working principle of this embodiment are the same as Figure 1A with Figure 1B The embodiments are similar, and will not be repeated here.

[0042] However, this embodiment is different from Figure 1A as well as Figure 1B The biggest difference of the embodiment is that the plane where the first conductive antenna path 440 is located is the same plane as the plane where the ground plane 410 is located. ...

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Abstract

The invention relates to an antenna with a plurality of operating frequencies, which comprises a feed element, a grounding element and a plurality of conducting antenna paths. The conducting antenna paths extend from the feed element and return to the grounding element, and also respectively correspond to a plurality of resonance frequencies to from a plurality of frequency bands. When two conducting antenna paths are positioned on an identical plane, the planes formed by the two conducting antenna paths are not mutually overlapped. When parts of the conducting antenna paths are positioned ondifferent planes, a projecting plane formed by the plane formed by the surface formed by any conducting antenna path orthogonally projecting on the surface of another conducting antenna path is not completely overlapped with the plane formed by another conducting antenna path.

Description

Technical field [0001] The present invention relates to an antenna, and particularly relates to a multi-band antenna. Background technique [0002] With the advancement of technology, the current public communication methods have gradually changed to wireless communication, such as mobile phones (Cell Phone), Personal Digital Assistant (PDA) with wireless Internet access, and Global Positioning System (GPS). ) And so on, all belong to the category of wireless communication, but usually wireless communication requires the use of antennas to transmit messages. [0003] There are different types of antenna architectures, such as Dipole Antenna, Bow-Tie Antenna, Horn Antenna and so on. They have their own characteristics and performance. Among them, the dipole antenna has The omnidirectional field type and bow tie antenna have a wider operating frequency band and the horn antenna has a larger gain. However, various antennas also have their relative shortcomings. For example, the gain...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01Q19/00H01Q5/00H01Q9/42H01Q21/30H01Q5/20H01Q5/328
Inventor 叶世晃卢子豪
Owner SUNPLUS MMOBILE
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