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Antenna system

An antenna system, antenna technology, applied in the direction of the antenna, electrical components, radiating element structure, etc., can solve problems such as large size and inability to apply

Active Publication Date: 2014-06-25
HTC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This kind of antenna design is often too large to be applied to ordinary mobile phones

Method used

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Embodiment Construction

[0025] In order to make the purpose, features and advantages of the present invention more comprehensible, specific embodiments of the present invention are listed below, together with the accompanying drawings, for detailed description as follows.

[0026] Figure 1A is a top view showing the antenna system 100 according to an embodiment of the present invention. Figure 1B is a side view showing the antenna system 100 according to an embodiment of the present invention. The antenna system 100 is applicable to a mobile communication device, such as a smart phone (Smart Phone), a tablet computer (Tablet Computer), and a notebook computer (Notebook Computer). In a preferred embodiment, the antenna system 100 at least includes: a ground plane 110 , a microstrip line coupler (Microstrip Line Coupler) 120 , a metal cover 130 , and a main antenna 140 . The ground plane 110 may be disposed on a dielectric substrate (not shown), such as a FR4 (Flame Retardant4) substrate, or a Low T...

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Abstract

An antenna system includes a ground plane, a microstrip-line coupler, a metal cover, and a main antenna. The microstrip-line coupler has a first input port, a second input port, a first output port, and a second output port. The metal cover is disposed above the microstrip-line coupler and coupled to the ground plane. The main antenna is coupled to the first output port and the second output port of the microstrip-line coupler. The metal cover is configured to reduce the interference from the microstrip-line coupler and to enhance the gain of the main antenna.

Description

technical field [0001] The invention relates to an antenna system, in particular to an antenna system applicable to mobile communication devices. Background technique [0002] In a communication system, if the transmitting antenna and the receiving antenna have different polarization directions, it may have a rather negative impact on the transmission efficiency. For example, if the transmitting antenna is horizontally polarized, the receiving antenna must also be designed to be horizontally polarized to obtain maximum transmission efficiency. Conversely, a vertically polarized (Vertically Polarized) receiving antenna may not be able to receive any horizontally polarized signals at all. For another example, if the transmitting antenna is Right Hand Circularly Polarized (RHCP), the receiving antenna must also be designed to be right hand circularly polarized to obtain maximum transmission efficiency. Conversely, a receiving antenna belonging to Left Hand Circularly Polarize...

Claims

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Application Information

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IPC IPC(8): H01Q1/36H01Q3/34
Inventor 卢信嘉饶佩宗萧翔宇童维信
Owner HTC CORP
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