CN103682618A - FM (frequency modulation) antenna and terminal equipment - Google Patents
FM (frequency modulation) antenna and terminal equipment Download PDFInfo
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- CN103682618A CN103682618A CN201210334558.4A CN201210334558A CN103682618A CN 103682618 A CN103682618 A CN 103682618A CN 201210334558 A CN201210334558 A CN 201210334558A CN 103682618 A CN103682618 A CN 103682618A
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Abstract
The invention discloses an FM (frequency modulation) antenna and terminal equipment for receiving FM signals. The FM antenna comprises a metal frame of the terminal equipment for receiving or transmitting FM signals, and an antenna circuit connected with the metal frame and used for processing the FM signals, so that the FM signals can be played on the terminal equipment. According to the technical scheme of the invention, the FM antenna can complete high-sensitivity FM signal reception and transmission without arranging an external rod antenna or an built-in FM antenna; and the material cost of the FM antenna is saved as the existing structure of the terminal equipment is used.
Description
Technical field
The present invention relates to electronic product field, particularly a kind of FM antenna and terminal equipment.
Background technology
The FM antenna of current most of terminal equipment is all to adopt external telescopic antenna design, have the built-in FM antenna of part to adopt ceramic antenna or the printing of FPC(software) antenna, but employing ceramic antenna or FPC antenna need to be in conjunction with the schemes of special low noise amplifier module, cost is higher, and FM antenna performance is general, Circuit Matching debugging and the equal relative complex of structural design, be unfavorable for Design of Performance and volume production, and the cost of mobile terminal is very high.
Therefore, in prior art there is the problem that properties of product are low and production cost is high in FM antenna.
Summary of the invention
The invention provides a kind of FM antenna and terminal equipment, for solving prior art FM antenna, have the problem that properties of product are low and production cost is high.
For achieving the above object, according to an aspect of the present invention, provide a kind of FM antenna, and by the following technical solutions:
FM antenna, for terminal equipment, comprising: the metal edge frame of terminal equipment, for receiving or send FM signal; Antenna circuit, connects described metal edge frame, for described FM signal is processed and made described FM signal play on described terminal equipment or launch.
Further, described FM antenna also comprises PCB mainboard, described antenna circuit is arranged on described PCB mainboard, on described PCB mainboard, be also provided with an antenna bond pad, described antenna bond pad is connected with described antenna circuit, described metal edge frame is provided with an antenna feed pin, and described antenna feed pin is connected with described antenna bond pad by a metal clips.
Further, described antenna bond pad is positioned at the top of described terminal equipment.
Further, described metal edge frame is arranged between first shell and second housing of described terminal equipment.
Further, described antenna circuit comprises: noiselike signal amplifying circuit, for described FM signal is carried out to low noise amplification processing; Antenna impedance matching, is connected between described metal edge frame and described noiselike signal amplifying circuit, for the impedance matching of described metal edge frame and described noiselike signal amplifying circuit; FM signal receives and transmitting treatment circuit, connects described noiselike signal amplifying circuit, for described FM signal is processed and made described FM signal play on described terminal equipment or launch.
Further, described antenna circuit also comprises: ON-OFF control circuit, be connected between described antenna impedance matching and described noiselike signal amplifying circuit, and receive with transmitting treatment circuit and be also connected with described FM signal, for controlling reception or the transmitting of described FM signal.
According to another aspect of the present invention, provide a kind of terminal equipment, and adopt following technical scheme:
Terminal equipment comprises above-mentioned FM antenna.
The present invention is by using the metal edge frame of terminal equipment as the design of FM antenna, not only solve the material cost problem of FM antenna, and Circuit Matching is debugged and designed, and all very FM is simple, FM antenna reception performance is more excellent, do not need is the reserved structural design of built-in aerial space specially, be easy to volume production and be user-friendly to, favourable lifting user's experience and favourable improving product competitiveness.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, forms the application's a part, and schematic description and description of the present invention is used for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 represents the structural representation of the FM antenna described in the embodiment of the present invention;
Fig. 2 represents the metal edge frame structural representation of the terminal equipment described in the embodiment of the present invention; And
Fig. 3 represents the structural representation of the FM antenna described in further embodiment of this invention.
Embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are elaborated, but the multitude of different ways that the present invention can be defined by the claims and cover is implemented.
Fig. 1 represents the structural representation of the FM antenna described in the embodiment of the present invention.
Shown in Figure 1, FM antenna comprises: the metal edge frame 10 of terminal equipment, for receiving FM signal; Antenna circuit 20, connects described metal edge frame 10, for described FM signal is processed and made described FM signal play on described terminal equipment or launch.
In the technique scheme of the present embodiment, adopt the metal edge frame 10 of terminal equipment to replace traditional external telescopic antenna and built-in aerial, in conjunction with antenna sky road 20, can successfully receive FM signal, and Circuit Matching debugging is simple, need to be in reserved structural design space, the inside of terminal equipment, this also can improve the sensitivity of antenna reception, and has saved the material cost that antenna is made.
Fig. 2 represents the metal edge frame structural representation of the terminal equipment described in the embodiment of the present invention.
Shown in Figure 2, be the shell mechanism of a mobile phone, metal edge frame 10 of the present invention is mobile phone metal edge frame 203 in the present embodiment, is arranged between handset front case 201 and mobile phone battery cover 205.
At interior of mobile phone, mobile phone metal edge frame 203 connects the antenna circuit of mobile phone, complete the reception of FM signal, this employing mobile phone metal edge frame 203 has been realized the design of the function of FM antenna need to not reserve structural design space at interior of mobile phone, and the sensitivity that can improve antenna reception, the material cost of having saved mobile phone.
This invention adopts unipole antenna principle to design, an antenna bond pad is set on mobile phone PCB mainboard, antenna bond pad connects antenna circuit 20, one antenna feed pin is set on mobile phone metal edge frame 203, by metal clips, connect antenna bond pad and antenna feed pin, by mobile phone metal edge frame 203 and antenna circuit 20 conductings, just can realize mobile phone metal edge frame 203 is used as to the use of FM antenna.
Fig. 3 represents the structural representation of the FM antenna described in further embodiment of this invention.
Shown in Figure 3, FM antenna also comprises PCB mainboard 30, described antenna circuit 20 is arranged on described PCB mainboard 30, on described PCB mainboard, be also provided with an antenna bond pad 21, described antenna circuit 20 connects antenna bond pad 21, on metal edge frame 10, be provided with an antenna feed pin 11, by a metal clips 12, described antenna feed pin 11 is communicated with antenna bond pad 21.
Preferably, described antenna bond pad 21 is positioned at the top of described terminal equipment.
Preferably, described antenna circuit comprises: noiselike signal amplifying circuit 23, for described FM signal is carried out to low noise amplification processing; Antenna impedance matching 22, is connected between described metal edge frame 10 and described noiselike signal amplifying circuit 23, the impedance matching for described metal edge frame 10 with described noiselike signal amplifying circuit 23; FM signal receives and transmitting treatment circuit 25, connects described noiselike signal amplifying circuit 23, for described FM signal is processed and made described FM signal play on described terminal equipment or launch.
Preferably, described antenna circuit also comprises: ON-OFF control circuit 24, be connected between described antenna impedance matching 22 and described noiselike signal amplifying circuit 23, and receive with transmitting treatment circuit 25 and be also connected with described FM signal, for controlling reception or the transmitting of described FM signal.
In the technique scheme of the present embodiment, metal edge frame 10, as the reception and the transmitting antenna that receive FM signal, does not therefore need the inner reserved antenna structure of terminal equipment space, does not need external pull bar television antenna yet, overall construction design is simple, and cost is lower.
More specifically, by the antenna circuit 20 on the antenna bond pad 21 connection PCB mainboards on PCB mainboard, metal edge frame 10 is provided with antenna feed pin 11, and antenna bond pad 21 is connected by metal clips 12 with antenna feed pin 11.Antenna circuit 20 comprises again antenna impedance matching 22, for the impedance matching between metal edge frame 10 and noiselike signal amplifying circuit 23, improves signal and amplifies treatment effect; Noiselike signal amplifying circuit 23, for to from FM antenna reception to signal carry out low noise amplification processing, improve receiving sensitivity, noiselike signal amplifying circuit 23 connects FM signal and receives and launch treatment circuit 25, for described FM signal is processed and made described FM signal play on described terminal equipment or launch.
Technique scheme receives as terminal equipment antenna, antenna impedance matching, low noise amplifier (LNA) module and CMMB signal and the effective combination of transmitting treatment circuit by metal edge frame 10, realize FM antenna function, make overall performance index meet and exceed terminal network access testing standard completely.
In addition, the general design of above-mentioned antenna bond pad 21 is in the left and right sides, top of terminal equipment.Metal edge frame 10 is larger apart from the distance D of mainboard PCB, more be conducive to the raising of FM antenna reception sensitivity behaviour, between FM antenna feed pin and noiselike signal amplifying circuit 23, there is antenna impedance matching 22, by debugging optimal design, reach the object of effective reception and transmitting FM signal, thereby improve the receptivity of total solution.
Terminal equipment provided by the invention comprises above-mentioned FM antenna.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of principle of the present invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (7)
1. a FM antenna, for terminal equipment, is characterized in that, comprising:
The metal edge frame of terminal equipment, for receiving or send FM signal;
Antenna circuit, connects described metal edge frame, for described FM signal is processed and made described FM signal play on described terminal equipment or launch.
2. FM antenna as claimed in claim 1, it is characterized in that, also comprise PCB mainboard, described antenna circuit is arranged on described PCB mainboard, on described PCB mainboard, be also provided with an antenna bond pad, described antenna bond pad is connected with described antenna circuit, and described metal edge frame is provided with an antenna feed pin, and described antenna feed pin is connected with described antenna bond pad by a metal clips.
3. FM antenna as claimed in claim 2, is characterized in that, described antenna bond pad is positioned at the top of described terminal equipment.
4. FM antenna as claimed in claim 1, is characterized in that, described metal edge frame is arranged between first shell and second housing of described terminal equipment.
5. FM antenna as claimed in claim 1, is characterized in that, described antenna circuit comprises:
Noiselike signal amplifying circuit, for carrying out low noise amplification processing to described FM signal;
Antenna impedance matching, is connected between described metal edge frame and described noiselike signal amplifying circuit, for the impedance matching of described metal edge frame and described noiselike signal amplifying circuit;
FM signal receives and transmitting treatment circuit, connects described noiselike signal amplifying circuit, for described FM signal is processed and made described FM signal play on described terminal equipment or launch.
6. FM antenna as claimed in claim 5, is characterized in that, described antenna circuit also comprises:
ON-OFF control circuit, is connected between described antenna impedance matching and described noiselike signal amplifying circuit, and receives with transmitting treatment circuit and be also connected with described FM signal, for controlling reception or the transmitting of described FM signal.
7. a terminal equipment, is characterized in that, comprises the FM antenna described in claim 1-6 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210334558.4A CN103682618A (en) | 2012-09-11 | 2012-09-11 | FM (frequency modulation) antenna and terminal equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210334558.4A CN103682618A (en) | 2012-09-11 | 2012-09-11 | FM (frequency modulation) antenna and terminal equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103682618A true CN103682618A (en) | 2014-03-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210334558.4A Pending CN103682618A (en) | 2012-09-11 | 2012-09-11 | FM (frequency modulation) antenna and terminal equipment |
Country Status (1)
| Country | Link |
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| CN (1) | CN103682618A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104681977A (en) * | 2014-12-18 | 2015-06-03 | 东莞劲胜精密组件股份有限公司 | Multiband closed metal ring antenna and equipment |
| CN105870594A (en) * | 2016-04-12 | 2016-08-17 | 北京小米移动软件有限公司 | Antenna for receiving radio signals and mobile terminal |
| CN108183719A (en) * | 2017-12-28 | 2018-06-19 | 上海展扬通信技术有限公司 | Antenna circuit and modulating FM Signal Regulation method |
| CN112186354A (en) * | 2019-07-03 | 2021-01-05 | 华为技术有限公司 | Antenna and terminal equipment |
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| US20110134009A1 (en) * | 2008-06-06 | 2011-06-09 | Murata Manufacturing Co., Ltd. | Multiband antenna and mounting structure for multiband antenna |
| CN102394372A (en) * | 2010-07-06 | 2012-03-28 | 苹果公司 | Electronic device and tunable antenna system |
| CN102473998A (en) * | 2009-07-03 | 2012-05-23 | 莱尔德技术股份有限公司 | Antenna device and portable electronic device comprising such an antenna device |
| CN102487157A (en) * | 2009-12-21 | 2012-06-06 | 英资莱尔德无线通信技术（北京）有限公司 | Antenna assembly and electronic equipment provided with same |
| CN202352827U (en) * | 2011-08-25 | 2012-07-25 | 三星电子株式会社 | Antenna device and portable terminal with same |
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2012
- 2012-09-11 CN CN201210334558.4A patent/CN103682618A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110134009A1 (en) * | 2008-06-06 | 2011-06-09 | Murata Manufacturing Co., Ltd. | Multiband antenna and mounting structure for multiband antenna |
| CN102473998A (en) * | 2009-07-03 | 2012-05-23 | 莱尔德技术股份有限公司 | Antenna device and portable electronic device comprising such an antenna device |
| CN102487157A (en) * | 2009-12-21 | 2012-06-06 | 英资莱尔德无线通信技术（北京）有限公司 | Antenna assembly and electronic equipment provided with same |
| CN102394372A (en) * | 2010-07-06 | 2012-03-28 | 苹果公司 | Electronic device and tunable antenna system |
| CN202352827U (en) * | 2011-08-25 | 2012-07-25 | 三星电子株式会社 | Antenna device and portable terminal with same |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104681977A (en) * | 2014-12-18 | 2015-06-03 | 东莞劲胜精密组件股份有限公司 | Multiband closed metal ring antenna and equipment |
| CN104681977B (en) * | 2014-12-18 | 2017-12-15 | 东莞劲胜精密组件股份有限公司 | A kind of multiband closure wireloop antenna and equipment |
| CN105870594A (en) * | 2016-04-12 | 2016-08-17 | 北京小米移动软件有限公司 | Antenna for receiving radio signals and mobile terminal |
| CN105870594B (en) * | 2016-04-12 | 2019-03-12 | 北京小米移动软件有限公司 | For receiving the antenna and mobile terminal of radio receiver signal |
| CN108183719A (en) * | 2017-12-28 | 2018-06-19 | 上海展扬通信技术有限公司 | Antenna circuit and modulating FM Signal Regulation method |
| CN112186354A (en) * | 2019-07-03 | 2021-01-05 | 华为技术有限公司 | Antenna and terminal equipment |
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Application publication date: 20140326 |
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