CN102202111A - Mobile terminal and frequency modulation antenna device thereof - Google Patents
Mobile terminal and frequency modulation antenna device thereof Download PDFInfo
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- CN102202111A CN102202111A CN2010102427516A CN201010242751A CN102202111A CN 102202111 A CN102202111 A CN 102202111A CN 2010102427516 A CN2010102427516 A CN 2010102427516A CN 201010242751 A CN201010242751 A CN 201010242751A CN 102202111 A CN102202111 A CN 102202111A
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- 239000002184 metal Substances 0.000 claims abstract description 21
- 239000011248 coating agent Substances 0.000 claims abstract description 10
- 238000000576 coating method Methods 0.000 claims abstract description 10
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 claims description 4
- 238000013461 design Methods 0.000 abstract description 13
- 238000011161 development Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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Abstract
The invention belongs to the technical field of mobile terminals and discloses a mobile terminal and a frequency modulation antenna device thereof. The device comprises an antenna body which is pasted on a battery rear cover of the terminal, comprises a frequency modulation antenna contact and is connected with the mainboard of the terminal through the frequency modulation antenna contact, wherein the antenna body is a flexible printed circuit board, metal sheet or metal coating. According to the invention, the flexible printed circuit board, metal sheet or metal coating is used as the antenna body which is pasted on the battery rear cover of the terminal and connected with the mainboard through the frequency modulation antenna contact; and the design flexibility is high, the inner space of the mobile terminal is greatly saved, the cost of the mobile terminal is reduced, and the development of the mobile terminal technology is facilitated.
Description
Technical field
The invention belongs to technical field of mobile terminals, be specifically related to a kind of portable terminal and frequency-modulated antenna device thereof.
Background technology
Along with the continuous development of portable terminal technology, the user is more and more higher to the requirement of mobile terminal function.
With the embedded in mobile phone broadcast receiver is example, and in the prior art, the design of FM built-in aerial mainly is divided into following several situation:
(1), ceramic antenna, the about 25mm x of size 4mm x 1mm, the general requirement utilizes the draw-in groove of phone housing structure to fix, by wire bonds to mainboard.The ceramic antenna volume is bigger, and status requirement is fixed, and designs dumbly, is difficult to adapt to different cell phone appearance, especially around and the very big appearance design of corner radian;
(2), PCB printed circuit board (PCB) loop aerial, (Printed CircuitBoard PCB) goes up coiling to reach the requirement of FM Antenna Design to this antenna, and this Antenna Design will take a large amount of PCB spaces at printed circuit board (PCB), influence the miniaturization Design of mobile phone, and increased the cost of PCB;
(3), the FM antenna of design on the housing of battery bonnet bottom, this antenna has taken a large amount of mobile phones space, (Subscriber Identity Module SIM) and the putting position of battery, is unfavorable for making full use of of mobile phone space may to influence client identification module.
To sum up, under the existing antenna technology condition, because the mobile phone inner space is narrow and small, the wiring space of leaving the FM antenna for is very limited, is difficult to reach frequency modulation (Frequency Modulation, FM) resonance of frequency range.
How to design high-quality FM antenna in limited space, be one of direction of technical field of mobile terminals research.
Summary of the invention
The object of the present invention is to provide a kind of frequency-modulated antenna device of portable terminal, be intended in limited space, design high-quality FM antenna.
The embodiment of the invention is to realize like this, a kind of frequency-modulated antenna device of portable terminal, described device comprises antenna body, described antenna body sticks on the battery bonnet of described terminal, described antenna body comprises a frequency-modulated antenna contact, and described antenna body connects the mainboard of described terminal by described frequency-modulated antenna contact;
Wherein, described antenna body is flexible printed circuit board, sheet metal or metal coating.
Another purpose of the embodiment of the invention is to provide a kind of portable terminal, described terminal comprises a frequency-modulated antenna device, described device comprises antenna body, described antenna body sticks on the battery bonnet of described terminal, described antenna body comprises a frequency-modulated antenna contact, and described antenna body connects the mainboard of described terminal by described frequency-modulated antenna contact;
Wherein, described antenna body is flexible printed circuit board, sheet metal or metal coating.
The embodiment of the invention is an antenna body with flexible printed circuit board, sheet metal or metal coating, antenna body is attached on the battery bonnet of described terminal, and be connected with mainboard by the frequency-modulated antenna contact, flexible design degree height, saved the inner space of portable terminal greatly, reduce mobile terminal cost, be beneficial to the development of portable terminal technology.
Description of drawings
The structure chart of the frequency-modulated antenna device of the portable terminal that Fig. 1 provides for the embodiment of the invention.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
Fig. 1 shows the structure of the frequency-modulated antenna device of the portable terminal that the embodiment of the invention provides.
Described device comprises antenna body 11, and described antenna body 11 sticks on the battery bonnet 12 of described terminal.
Described antenna body 11 comprises a frequency-modulated antenna contact 13, and described antenna body 11 connects the mainboard 14 of described terminal by described frequency-modulated antenna contact 13.
Preferably, the frequency-modulated antenna contact 13 of described antenna body 11 is connected with the mainboard 14 of described terminal by antenna shrapnel 15 (perhaps contact pin).
Described mainboard 14 also comprises frequency modulation chip 16, and the antenna matching network 18 that is connected with described frequency modulation chip, and described antenna matching network connects feed end 17.Wherein, described feed end 17 connects the frequency-modulated antenna contact 13 of described antenna body 11 by described antenna shrapnel 15 (perhaps contact pin).
Preferably, described antenna body 11 is flexible printed circuit board, sheet metal or metal coating.
In specific implementation process, described antenna body 11 is serpentine cabling or annular cabling on the surface of described battery bonnet 12.The antenna body 11 of the embodiment of the invention can better meet the length requirement of FM antenna by serpentine cabling or annular cabling.Wherein, the FM antenna will reach or near 1/4th length of the wavelength of received signal, wherein, the frequency that the speed/hope of wavelength=electric wave in medium obtains, the frequency range of FM near 100MHz, so about 3 meters of wavelength is about 75 centimetres of antenna body 11 length, because the speed difference of electric wave in different medium, the length of antenna body are slightly different.
The antenna body 11 of the embodiment of the invention adopts flexible printed circuit board (Flexible PrintedCircuit, FPC) or sheet metal or metal coating, stick on the battery bonnet 12, form with metal clips 15 (perhaps contact pin) is connected with the feed end 17 of mainboard 14, is connected to the reception or the transmitting terminal of frequency modulation chip 16 then by antenna matching network 18.
The embodiment of the invention can be saved the inner space of portable terminal greatly, and the flexible design degree is high again, can realize high-quality FM antenna performance, realized wireless outer playing function, if portable terminal has the FM emission function simultaneously, can also realize the transmit-receive sharing of FM antenna, save an antenna.
The embodiment of the invention also provides a kind of portable terminal, and described terminal comprises the frequency-modulated antenna device that the embodiment of the invention provides, and in view of this installs in above existing detailed description, repeats no more herein.
The embodiment of the invention is an antenna body with flexible printed circuit board, sheet metal or metal coating, antenna body is attached on the battery bonnet of described terminal, and be connected with mainboard by the frequency-modulated antenna contact, flexible design degree height, saved the inner space of portable terminal greatly, reduce mobile terminal cost, be beneficial to the development of portable terminal technology.
Should be understood that, for those of ordinary skills, can be improved according to the above description or conversion, and these improvement and conversion all should belong to the protection range of claims of the present invention.
Claims (10)
1. the frequency-modulated antenna device of a portable terminal, it is characterized in that described device comprises antenna body, described antenna body sticks on the battery bonnet of described terminal, described antenna body comprises a frequency-modulated antenna contact, and described antenna body connects the mainboard of described terminal by described frequency-modulated antenna contact;
Wherein, described antenna body is flexible printed circuit board, sheet metal or metal coating.
2. the frequency-modulated antenna device of portable terminal as claimed in claim 1 is characterized in that, described antenna body is the serpentine cabling on the surface of described battery bonnet.
3. the frequency-modulated antenna device of portable terminal as claimed in claim 1 is characterized in that, described antenna body is cabling ringwise on the surface of described battery bonnet.
4. the frequency-modulated antenna device of portable terminal as claimed in claim 1 is characterized in that, the frequency-modulated antenna contact of described antenna body is connected with the mainboard of described terminal by antenna shrapnel or contact pin.
5. the frequency-modulated antenna device of portable terminal as claimed in claim 1, it is characterized in that, described mainboard also comprises the frequency modulation chip, and the antenna matching network that is connected with described frequency modulation chip, also comprise the feed end that is connected with described antenna matching network, described feed end connects the frequency-modulated antenna contact of described antenna body by described antenna shrapnel or contact pin.
6. portable terminal, it is characterized in that, described terminal comprises a frequency-modulated antenna device, described device comprises antenna body, described antenna body sticks on the battery bonnet of described terminal, described antenna body comprises a frequency-modulated antenna contact, and described antenna body connects the mainboard of described terminal by described frequency-modulated antenna contact;
Wherein, described antenna body is flexible printed circuit board, sheet metal or metal coating.
7. portable terminal as claimed in claim 6 is characterized in that described antenna body is the serpentine cabling on the surface of described battery bonnet.
8. portable terminal as claimed in claim 6 is characterized in that, described antenna body is cabling ringwise on the surface of described battery bonnet.
9. portable terminal as claimed in claim 6 is characterized in that, the frequency-modulated antenna contact of described antenna body is connected with the mainboard of described terminal by antenna shrapnel or contact pin.
10. portable terminal as claimed in claim 6, it is characterized in that, described mainboard also comprises the frequency modulation chip, and the antenna matching network that is connected with described frequency modulation chip, also comprise the feed end that is connected with described antenna matching network, described feed end connects the frequency-modulated antenna contact of described antenna body by described antenna shrapnel or contact pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102427516A CN102202111A (en) | 2010-07-30 | 2010-07-30 | Mobile terminal and frequency modulation antenna device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102427516A CN102202111A (en) | 2010-07-30 | 2010-07-30 | Mobile terminal and frequency modulation antenna device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102202111A true CN102202111A (en) | 2011-09-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102427516A Pending CN102202111A (en) | 2010-07-30 | 2010-07-30 | Mobile terminal and frequency modulation antenna device thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN102202111A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102623796A (en) * | 2012-04-12 | 2012-08-01 | 上海华勤通讯技术有限公司 | China mobile multimedia broadcasting (CMMB) antenna and mobile phone |
| WO2017128506A1 (en) * | 2016-01-28 | 2017-08-03 | 中兴通讯股份有限公司 | Fm antenna, and terminal having fm antenna |
| CN108933330A (en) * | 2018-06-19 | 2018-12-04 | 惠州市德赛西威汽车电子股份有限公司 | A kind of NFC antenna |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1780048A (en) * | 2004-11-25 | 2006-05-31 | 三星电子株式会社 | FM transmission antenna device in a portable terminal |
| WO2008051149A1 (en) * | 2006-10-27 | 2008-05-02 | Laird Technologies Ab | Antenna device and portable radio communication device comprising such antenna device |
| CN101587982A (en) * | 2009-04-24 | 2009-11-25 | 惠州Tcl移动通信有限公司 | A kind of antenna structure of mobile phole |
| CN101764280A (en) * | 2010-03-16 | 2010-06-30 | 中兴通讯股份有限公司 | Frequency modulation antenna and realization method and mobile terminal thereof |
| CN201781053U (en) * | 2010-07-30 | 2011-03-30 | 惠州Tcl移动通信有限公司 | Mobile terminal containing a radio and FM (frequency modulation) antenna device |
-
2010
- 2010-07-30 CN CN2010102427516A patent/CN102202111A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1780048A (en) * | 2004-11-25 | 2006-05-31 | 三星电子株式会社 | FM transmission antenna device in a portable terminal |
| WO2008051149A1 (en) * | 2006-10-27 | 2008-05-02 | Laird Technologies Ab | Antenna device and portable radio communication device comprising such antenna device |
| CN101587982A (en) * | 2009-04-24 | 2009-11-25 | 惠州Tcl移动通信有限公司 | A kind of antenna structure of mobile phole |
| CN101764280A (en) * | 2010-03-16 | 2010-06-30 | 中兴通讯股份有限公司 | Frequency modulation antenna and realization method and mobile terminal thereof |
| CN201781053U (en) * | 2010-07-30 | 2011-03-30 | 惠州Tcl移动通信有限公司 | Mobile terminal containing a radio and FM (frequency modulation) antenna device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102623796A (en) * | 2012-04-12 | 2012-08-01 | 上海华勤通讯技术有限公司 | China mobile multimedia broadcasting (CMMB) antenna and mobile phone |
| WO2017128506A1 (en) * | 2016-01-28 | 2017-08-03 | 中兴通讯股份有限公司 | Fm antenna, and terminal having fm antenna |
| CN108933330A (en) * | 2018-06-19 | 2018-12-04 | 惠州市德赛西威汽车电子股份有限公司 | A kind of NFC antenna |
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Application publication date: 20110928 |