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Device with cavity-backed antenna array integrated in a metal casing

A metal shell and antenna technology, which can be applied to separately powered antenna arrays, antenna arrays, and devices that enable antennas to work in different frequency bands at the same time, and can solve problems such as difficulty in implementation.

Inactive Publication Date: 2018-03-16
THOMSON LICENSING SA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Some constraints need to be considered to solve this goal: good angular coverage of the whole antenna system in order to minimize performance (throughput) variation in case of metal housings, low RF coupling between antennas and low cost mechanical solutions, The first is particularly hard to achieve in the case of

Method used

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  • Device with cavity-backed antenna array integrated in a metal casing
  • Device with cavity-backed antenna array integrated in a metal casing
  • Device with cavity-backed antenna array integrated in a metal casing

Examples

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Embodiment Construction

[0024] Figure 1A A perspective view of a wireless communication device according to a preferred embodiment is shown. In a preferred embodiment, device 100 is a set top box. It includes four 5GHz antennas for WiFi and one 2.4GHz antenna for Bluetooth wireless communication, although in Figure 1A not shown in Connections to other devices such as televisions for presentation are provided through various connectors such as Universal Serial Bus Type C (USB-C) or High Definition Multimedia Interface (HDMI). The device integrates the ability to decode audiovisual signals received either through wireless communication or through physical connectors, and the interaction with the user through a user interface. The housing of the device is mainly made of metal, so it is very challenging to combine wireless communication capability with good performance.

[0025] Figure 1B An exploded view showing the assembly of the different parts of the device 100 according to the preferred embod...

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Abstract

An electronic device (100) for wireless communication comprises a metal casing wherein the wireless communication is realized by at least one cavity-backed slot antenna. Each cavity is formed by the combination of the top housing (110), metallic walls, a ground plane at the top of a printed circuit board (140) and the bottom housing (150).

Description

technical field [0001] The present invention relates generally to the field of wireless communication devices comprising metal housings. The present invention can be integrated into, but not limited to, home network electronic devices such as Internet gateways, set-top boxes, routers, and smart home devices. Background technique [0002] This section is intended to introduce the reader to various aspects of art, which may be related to various aspects of the present disclosure that are described and / or claimed below. It is believed that this discussion helps to provide the reader with background information to facilitate a better understanding of various aspects of the present disclosure. Accordingly, it is to be understood that these descriptions are in light of this description, and not representations of prior art. [0003] Home networking devices such as Internet gateways, set-top boxes, routers, and smart home devices integrate many wireless systems to provide various...

Claims

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Application Information

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IPC IPC(8): H01Q1/36H01Q1/38H01Q21/06H01Q1/22H01Q1/44
CPCH01Q1/22H01Q9/0414H01Q1/36H01Q1/38H01Q1/44H01Q21/064H01Q21/065H01Q1/243H01Q9/0407H01Q13/18H01Q21/28H01Q13/106G06F1/1698H05K1/0243H05K2201/10371H01Q5/378
Inventor J-M.施泰尔P.米纳德J-P.伯廷A.奥宾
Owner THOMSON LICENSING SA
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