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Multi-frequency antenna

A multi-frequency antenna and feeder technology, which is applied to antennas, devices and electrical components that make the antennas work in different frequency bands at the same time, can solve problems such as narrow high-frequency frequency bands, and achieve the effect of increasing the antenna bandwidth.

Inactive Publication Date: 2008-12-03
FOXCONN (KUNSHAN) COMPUTER CONNECTOR CO LTD +1
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  • Abstract
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Problems solved by technology

[0004] Taiwan Patent Announcement No. 563274 "Dual-band Antenna", which discloses an example of using the ground plane built in the LCD screen of a notebook computer, and designing an inverted F-shaped antenna on the ground plane, but the antenna is suitable for 2.4GHz and 5GHz dual-band Wireless personal area network systems that operate in high frequency bands, but with narrower high frequency bands

Method used

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Embodiment Construction

[0013] Please refer to FIG. 1 and FIG. 2 , which are perspective views of the antenna provided by a preferred embodiment of the multi-frequency antenna of the present invention.

[0014] In this embodiment, the multi-frequency antenna 100 is formed by bending and cutting a metal sheet, which includes a grounding portion 11 located on a horizontal plane and having two longitudinal sides, mounting portions 12 located at both ends of the grounding portion 11, and The ground portion 11 is provided with a radiation portion 13 at intervals, a connection portion 14 connecting the ground portion 11 and the radiation portion 13 , and a parasitic radiation portion 15 extending from the ground portion 11 . The installation part 12 , the radiation part 13 , the connection part 14 and the parasitic radiation part 15 are all located on the same side of the horizontal plane where the ground part 11 is located.

[0015] The radiation part 13 works in the 3.15GHz-4.80GHz frequency band. The c...

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Abstract

The invention discloses a multi-band antenna, comprising a grounding part, a pair of installation parts, a radiation part which is arranged intermittently with the grounding part, a connecting part used for connecting the radiation part with the grounding part and a parasitic radiation part which extends out of the grounding part; the radiation part and the parasitic radiation works in a wireless personal local area network; the radiation part comprises a first radiation sheet and a second radiation sheet which are arranged in the same line. The multi-band antenna of the invention has two radiation bands, high frequency and wide radiation band.

Description

【Technical field】 [0001] The invention relates to a multi-frequency antenna, in particular to a multi-frequency broadband antenna used in electronic equipment. 【Background technique】 [0002] WPAN (Wireless Personal Area Network, Wireless Personal Area Network) is a personal area network using wireless connections. It is used for communication between digital assistant devices such as mobile phones, notebook computers, accessory devices and small range (the working range of personal area network is generally within 10 meters). Wireless personal area network technologies include: Bluetooth (Bluetooth) and ultra-wideband (UWB) and so on. Among them, Bluetooth technology is the most widely used in wireless personal area network. The bandwidth of the Bluetooth channel is 1MHz, and the maximum data rate of the asynchronous asymmetric connection is 723.2kbit / s; the connection distance is mostly about 10m. The inevitable evolution trend of broadband multimedia service requiremen...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01Q5/00H01Q13/08H01Q5/20H01Q5/378
Inventor 洪振达王舒嬿黄耀先
Owner FOXCONN (KUNSHAN) COMPUTER CONNECTOR CO LTD
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