Antenna signal tuning device of terminal as well as terminal

An antenna signal and tuning device technology, which is applied in the field of communication, can solve problems such as reduced antenna radio frequency performance, less antenna clearance area, complex electromagnetic environment, etc., and achieve the effect of improving radio frequency performance and solving frequency offset problems

CN104953286AActive Publication Date: 2015-09-30QINGDAO HISENSE MOBILE COMM TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Publication Date
2015-09-30

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Abstract

An embodiment of the invention discloses an antenna signal tuning device of a terminal as well as the terminal and relates to the field of communication. The antenna device can be arranged outside or inside, the radio frequency performance of the terminal is improved, and performance compatibility of the antenna in different states is improved. A single-frequency rod antenna body is connected with a circuit board of the terminal through a first feed point and used for transmitting a wireless signal which is tuned by a coupling branch and has a target frequency point when the single-frequency rod antenna body is in different states. The coupling branch is connected with the circuit board of the terminal through a second feed point and used for tuning actual impedance values of the single-frequency rod antenna body in different states according to impedance values of the single-frequency rod antenna body in different states and a mutual impedance value of the coupling branch for the single-frequency rod antenna body. Accordingly, the frequency deviation problem of a single-frequency rod antenna in different states is solved.
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Description

technical field

[0001] The present invention relates to the field of communications, and in particular to a terminal, a terminal antenna signal tuning device and the terminal. Background technique

[0002] With the increasing development of wireless network technology, connecting to a local area network or the Internet through wireless (Wi-Fi, Wireless-Fidelity) has become a main networking way for various smart terminals.

[0003] Traditional terminals use an external antenna to receive and transmit wireless signals, but the external antenna will hinder the user's operation when the user operates the horizontal screen. Therefore, the existing smart terminals mainly use the built-in antenna to receive or transmit wireless network signals.

[0004] However, with the increasing functions of smart terminal equipment, the integration of various chips and modules inside the smart terminal equipment is getting higher and higher, resulting in fewer and fewer antenna clearance areas...

Examples

Embodiment Construction

[0030] In order to make the purpose, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings. Obviously, the described embodiments are only some of the embodiments of the present invention, rather than all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0031] The embodiments of the present invention can be applied to various types of terminals (for example: smart mobile terminals, smart phones, tablet computers) and various devices capable of wireless communication.

[0032] At present, the built-in Wi-Fi antenna needs to be highly integrated inside the antenna terminal, resulting in poor antenna clearance and complex electromagnetic environment. Therefore, the performance of the anten...