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Mobile telephone device

A mobile phone and frequency band technology, applied in the field of mobile phone devices, can solve problems such as difficult formation of ground electrodes, achieve the effect of improving reception characteristics and shortening the overall length

Inactive Publication Date: 2007-06-13
MURATA MFG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, in order to efficiently receive digital TV broadcast signals, the ground electrode (ground) that contributes to the antenna length needs to be approximately doubled, and it is difficult to form a ground electrode of such a shape in a miniaturized mobile phone device.

Method used

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Embodiment Construction

[0058] A mobile phone device with a television function according to a first embodiment of the present invention will be described with reference to FIGS. 1 to 7 .

[0059] 1 is an external view of a mobile phone device according to this embodiment, (A) is a front view in an opened state, (B) is a side view in an opened state, and (C) is an inside of a casing in an opened state. The front view of the substrate, (D) is the front view of the closed state.

[0060] As shown in FIG. 1 , the mobile phone device with a television function according to the present embodiment is provided with: a main display panel 10A is provided on one main surface, and a display housing 1 is provided with a sub-display panel 10B on the opposite main surface; The main surface includes an operation case 2 comprising an operation unit 20 composed of a plurality of buttons and the like; and a hinge unit 3 connected to allow these to turn mutually. The display case 1 and the operation case 2 are arrange...

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Abstract

A portable telephone device has a housing (1) for display, provided with display panels (10A, 10B) and an antenna section (4) for television, a housing (2) for operation having operation section (20) and an antenna section (5) for portable telephone, and a hinge section (3) for relatively pivotally connecting the housings. The antenna section (4) for television is provided at an end section opposite the hinge section (3) of the display housing (1), the antenna section (5) for portable telephone is provided at an end section on the hinge section (3) side of the operation housing (2), and therefore the antennas are always separated by the length of the display housing (1). Further, on the display housing (1) and the operation housing (2) is formed a continuous ground electrode, and one end of the antenna section (4) for television is communicated to an end section of the ground electrode. Thus the ground electrode with the length corresponding to the antenna section (4) for television can be achieved.

Description

technical field [0001] The present invention relates to a mobile phone device capable of receiving digital television broadcasting, a so-called mobile phone device with a TV receiving function. Background technique [0002] Since the frequency band (470MHz to 770MHz) of digital TV broadcasting signals is different from the frequency band (800MHz) of mobile phone communication signals, mobile phone devices capable of receiving digital TV broadcasting (hereinafter referred to simply as mobile phone devices with a TV reception function) are respectively It includes an antenna for receiving digital TV broadcast signals (hereinafter, simply referred to as "television receiving antenna"), and an antenna for transmitting and receiving mobile phone communication signals (hereinafter, simply referred to as "mobile phone antenna"). Moreover, due to the frequency bandwidth used by digital television broadcasting signals, multiple antenna lengths must be realized in order to efficiently...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01Q1/24H01Q1/12H01Q1/48H01Q1/52H01Q9/14H01Q1/08H01Q5/10
CPCH01Q1/084
Inventor 嵩谷雄治郎
Owner MURATA MFG CO LTD
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