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antenna system

By adding a third resonator and a parallel switching circuit to the doubly-fed double inverted L antenna, the problem of insufficient frequency bandwidth in the existing technology is solved, and wider frequency band coverage and higher resolution can be provided without increasing the size of the antenna. bandwidth.

Inactive Publication Date: 2015-12-23
MOLEX INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, existing techniques that provide these improvements would undesirably increase the size of the antenna

Method used

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Embodiment Construction

[0033] The following detailed description describes exemplary embodiments and is not intended to be limited to the expressly disclosed combinations. Thus, unless otherwise stated, various features disclosed herein may be combined to form additional combinations not shown for the sake of brevity.

[0034] from Image 6 It can be appreciated that an antenna system 101 that may be referred to as providing a Dual Fed Triple Inverted L Antenna (DF-TILA) is disclosed. The antenna system 101 includes a circuit board 105, which may be an existing printed circuit board or any suitable structure of similar design (e.g., a laser direct structuring (LDS) structure with traces lying thereon). ). The circuit board 105 includes a first side 106a and a second side 106b. The elements 110 arranged around the circuit board 105 are configured for resonance. As shown, this element 110 includes a first arm 111 (shown as long arm 1 in the figure), a second arm 112 (shown as long arm 2 in the fig...

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Abstract

An antenna system is disclosed that adds a third resonator to the resonant structure. Impedance bandwidth improvements can be obtained for both high and low frequency bands with only a small increase in antenna volume. The low-band bandwidth can be further enhanced by active switching of the low-band feed.

Description

[0001] related application [0002] This application claims priority to US Provisional Patent Application 617,487,777, filed May 19, 2012, which is hereby incorporated by reference in its entirety. technical field [0003] The present application relates to the field of antennas, and more particularly to the field of antennas suitable for use in mobile devices. Background technique [0004] One known antenna concept is called a Dual-Fed Dual-Inverted-L Antenna (DF-DILA, DualFedDualInvertedLAntenna). The DF-DILA antenna concept is applied to the Motorola ZN5 mobile phone. To illustrate its principles, a simple reference model of the DF-DILA concept was developed and shown in figure 1 middle. The typical dimensions of the model are: Printed Wiring Board (PWB) 15 = 40 x 100 mm, cutback 40 x 3 mm below the component 20 and the component 20 is located 5 mm above the PWB. The element 20 includes a first arm portion 22 and a second arm portion 24 . A first feeder 16 is configu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01Q1/24H01Q9/04H01Q9/42H01Q5/335H01Q5/35
CPCH01Q1/243H01Q9/0407H01Q9/42H01Q5/335H01Q5/35H01Q9/04
Inventor 莫滕·克里斯滕森奥利·贾戈尔斯基西蒙·斯文森
Owner MOLEX INC
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