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Antenna

An antenna and antenna structure technology, applied in antennas, resonant antennas, electrical short antennas, etc., can solve the problems of no bandwidth, too large, and antennas that cannot provide multi-band capabilities, and achieve wide bandwidth, easy implementation, and PCB space minimization Effect

Inactive Publication Date: 2006-02-22
SONY ERICSSON MOBILE COMM AB
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, as portable communication devices become smaller and require multiple antennas such as for cellular, wireless local area network (LAN), GPS applications, etc., conventional antennas will not provide sufficient multi-band capability, and in particular A ground is a small backplane that does not have enough bandwidth and / or is too large for future portable communication devices

Method used

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Examples

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Embodiment Construction

[0033] As required, detailed embodiments of the present invention will be disclosed herein; however, it should be understood that the disclosed embodiments are merely examples of the present invention, and the present invention can also be embodied in modifications and alternative forms other than the embodiments described below accomplish. The figures are not necessarily to scale and some elements may be exaggerated or minimized to show details of particular components or features. Therefore, specific structural and functional details disclosed herein are not to be interpreted in any sense as limiting, but merely as a basis for the claims and as a representative basis for enabling one skilled in the art to practice the present invention in varying ways.

[0034] figure 1 A perspective view of a first embodiment according to the invention is schematically shown. The antenna structure 10 comprises a first feed voltage V 1 The connected first antenna plate 12, here in the for...

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Abstract

Antenna arrangement for a portable communication device, and portable communication device comprising such an antenna arrangement (10) built-in, wherein said antenna arrangement (10) comprises antenna patches (12, 14) separated by a gap (17) comprise capacitance feeding being frequency dependent.

Description

technical field [0001] The present invention relates to the field of antennas, and more particularly, to an antenna structure of a portable communication device and a portable communication device including such a built-in antenna structure. Background technique [0002] There is a trend in the field of portable communication devices, especially in the field of cellular telephones, to install internal antennas within the device itself. Future portable communication devices are likely to be small and lightweight. Typically in such devices, the internal antenna will be more desirable. Today, existing portable communication devices (such as cellular phones) are generally equipped with built-in antennas of so-called "Microstrip" antennas or so-called "Planar Inverted-F" antennas (PIFA). [0003] Microstrip antennas have a thin profile, small size, and light weight, but generally cannot provide applications for more than one frequency band, that is, do not provide so-called "mu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01Q9/04H01Q19/00H01Q1/24
CPCH01Q9/0457H01Q9/0421H01Q1/243H01Q9/0414H01Q19/005H01Q9/0442
Inventor 应志农
Owner SONY ERICSSON MOBILE COMM AB