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Slide cover style mobile communication terminal with built-in antenna

A technology for mobile communication terminals and built-in antennas, applied in antennas, telephone communications, antenna components, etc., can solve problems such as difficult stability and sensitivity of antenna performance, achieve stable working characteristics, prevent the reduction of working characteristics, and achieve the best function effects

Inactive Publication Date: 2006-03-15
LG ELECTRONICS (CHINA) R&D CENT CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, antennas built into terminals, including planar inverted-F antennas, are designed with a predetermined height difference between the ground part and the antenna part, and are installed inside the terminal, so their characteristics are inferior to those of external antennas. It is more sensitive to ground conditions or other conditions of the terminal, so the antenna performance is difficult to stabilize

Method used

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  • Slide cover style mobile communication terminal with built-in antenna
  • Slide cover style mobile communication terminal with built-in antenna
  • Slide cover style mobile communication terminal with built-in antenna

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Embodiment Construction

[0017] The present invention provides a slide-type mobile communication terminal with a built-in antenna. The present invention will be described in detail below with reference to the accompanying drawings.

[0018] figure 1 It is a structural diagram showing the slide-open state of the slide-type mobile communication terminal having a built-in antenna according to the present invention; figure 2 yes figure 1 The side view of the slide-type mobile communication terminal. image 3 is displayed figure 1 A structural diagram of the closed state of the slide-type mobile communication terminal of the embodiment.

[0019] As shown in the figure, the slide-type mobile communication terminal 100 of the present invention is composed of a first housing 10 , a second housing 20 , a ground portion 30 , an antenna portion 40 , a feed line 50 , a feed point 70 and a short-circuit point 80 .

[0020] The first housing 10 and the second housing 20 are combined and slidable to form the t...

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Abstract

The present invention discloses a slide cover style mobile communication terminal with built-in antenna pertaining to mobile communication tool. The invention, aiming at sliding cover type mobile communication terminal with a second shell sliding open / close along with the first shell, the invention comprises parts of a grounding part positioned on circuit board of the first shell; an antenna part sliding with the second shell, and converting between the grounding part superposition or non superposition states to appear different operation characters; a electricity supply wire being independent of the slide of the second shell, and always maintaining the connection electrically of the circuit board with the antenna part. The condition of operation character reduction caused by sliding upwards and downwards states of the terminal can be prevented by arranging internal antenna of he sliding cover terminal, and stable operation character can be achieved to offer best function.

Description

technical field [0001] The invention belongs to mobile communication tools, and particularly relates to a slide-type mobile communication terminal with a built-in antenna that maintains good working characteristics regardless of whether the terminal is in an open or closed state. Background technique [0002] The so-called mobile communication terminal refers to a mobile phone or PDA, etc. This mobile communication terminal receives and transmits signals with a base station installed near the terminal location, transmits information with a specific counterpart, and performs various value-added services. Therefore, in order to receive a transmission signal, it is mounted on an antenna in a mobile communication terminal. [0003] Moreover, antennas of such mobile communication terminals can be classified into built-in and external types according to the installation structure relative to the terminal. An example of a built-in antenna is given, such as a planar inverted F anten...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B1/38H01Q1/24H04M1/02
CPCH01Q1/244H01Q1/246H04M1/0237
Inventor 沈银顺
Owner LG ELECTRONICS (CHINA) R&D CENT CO LTD
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