CN103178326A - Antenna and on-off key integrated FPC (flexible circuit board) and mobile terminal - Google Patents
Antenna and on-off key integrated FPC (flexible circuit board) and mobile terminal Download PDFInfo
- Publication number
- CN103178326A CN103178326A CN2013100897987A CN201310089798A CN103178326A CN 103178326 A CN103178326 A CN 103178326A CN 2013100897987 A CN2013100897987 A CN 2013100897987A CN 201310089798 A CN201310089798 A CN 201310089798A CN 103178326 A CN103178326 A CN 103178326A
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- antenna
- switch
- fpc
- key
- fpc plate
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- 239000012634 fragment Substances 0.000 claims description 11
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract description 6
- 229910052802 copper Inorganic materials 0.000 abstract description 6
- 239000010949 copper Substances 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 101100272964 Arabidopsis thaliana CYP71B15 gene Proteins 0.000 description 9
- 101150030164 PADI3 gene Proteins 0.000 description 9
- 102100035734 Protein-arginine deiminase type-3 Human genes 0.000 description 9
- 101000590281 Homo sapiens 26S proteasome non-ATPase regulatory subunit 14 Proteins 0.000 description 7
- 101001114059 Homo sapiens Protein-arginine deiminase type-1 Proteins 0.000 description 7
- 102100023222 Protein-arginine deiminase type-1 Human genes 0.000 description 7
- 101100123053 Arabidopsis thaliana GSH1 gene Proteins 0.000 description 6
- 101100298888 Arabidopsis thaliana PAD2 gene Proteins 0.000 description 6
- 101150092599 Padi2 gene Proteins 0.000 description 6
- 102100035735 Protein-arginine deiminase type-2 Human genes 0.000 description 6
- 230000005855 radiation Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Abstract
The invention relates to the technical field of a mobile terminal and discloses an antenna and on-off key integrated FPC (flexible circuit board) and the mobile terminal. The FPC comprises a copper pouring region, an antenna energy feed point, an on-off key energy feed point, a grounding bonding pad and an on-off key spring sheet. The FPC of the on-off key is used; the antenna energy feed point and a main body are arranged on the FPC, wherein the antenna energy feed point, the copper pouring region and the grounding bonding pad are connected to form the main body of the antenna, equivalently, the FPC of the on-off key is transformed into the antenna; the on-off key energy feed point is also electrically connected with the on-off key spring sheet, so that the functions of the on-off key are maintained on the FPC; and the antenna and on-off key integrated FPC has the advantages that the antenna and the on-off key of power source share the FPC, so that a conventional BT/WIFI (British Telecom/Wireless Fidelity) antenna can be saved, the cost of the antenna is reduced, the antenna and on-off key integrated FPC is easy to realize and is suitable for mass production, and an ultra-thin mobile phone is prevented from limiting the antenna region to influence the normal working of the antenna.
Description
Technical field
The present invention relates to technical field of mobile terminals, in particular a kind of FPC plate and mobile terminal of antenna integrated and on ﹠ off switch.
Background technology
Antenna is the indispensable part of radio communication, and its basic function is radiation and receives radio wave.During emission, antenna is electromagnetic wave with high frequency current transitions; During reception, a day bundle of lines electromagnetic wave is converted to high-frequency current.Antenna gain, radiation size is relevant with the size of antenna.Existing mobile phone is with BT(bluetooth, bluetooth) and WIFI((Wireless Fidelity, WLAN (wireless local area network) based on IEEE 802.11b standard) combine and form the BT/WIFI antenna, the function of compatible bluetooth and WIFI has been saved the mobile phone space.
But, along with developing rapidly of wireless communication technology, also more and more higher at the performance requirement of the aspects such as intellectuality, slimming, super long standby time to mobile terminal.Along with mobile terminal is more and more thinner, can be used as the regional fewer and feweri of BT/WIFI antenna, the area reducing of BT/WIFI antenna can affect the performance of antenna to a certain extent.
Therefore, prior art awaits to improve and improve.
Summary of the invention
In view of above-mentioned the deficiencies in the prior art part, the object of the present invention is to provide a kind of FPC plate and mobile terminal of antenna integrated and on ﹠ off switch, to solve the not enough problem that affects antenna performance of prior art antenna space.
In order to achieve the above object, the present invention has taked following technical scheme:
A kind of FPC plate of antenna integrated and on ﹠ off switch, wherein, described FPC plate comprises that Pu Tong district, antenna energy feedback point, on ﹠ off switch energy present point, ground pad and on ﹠ off switch shell fragment;
Described antenna energy feedback point, ground pad are connected with the Pu Tong district; Described on ﹠ off switch energy feedback point is electrically connected with the on ﹠ off switch shell fragment.
The FPC plate of described antenna integrated and on ﹠ off switch, wherein, described antenna energy feedback point, on ﹠ off switch energy feedback point, ground pad adjacent setting successively.
The FPC plate of described antenna integrated and on ﹠ off switch, wherein, the modulation signal of antenna is from the input of antenna energy feedback point, and the rear section modulation signal that flows along Pu Tong district flows out from ground pad, forms a mobile path.
The FPC plate of described antenna integrated and on ﹠ off switch, wherein, the length of described flow path is 1/8 to 1/4 of wavelength corresponding to working frequency range.
A kind of mobile terminal, wherein, described mobile terminal comprises the FPC plate of described antenna integrated and on ﹠ off switch.
FPC plate and the mobile terminal of antenna integrated and on ﹠ off switch provided by the present invention, antenna energy feedback point is arranged on the FPC plate of on ﹠ off switch, make antenna and on ﹠ off switch share a PFC plate, saved the cost of traditional antenna, save the mobile terminal inner space, avoided antenna area to reduce impact on its performance.
Description of drawings
Fig. 1 is the position view of FPC plate on mobile terminal PCB mainboard of the antenna integrated and on ﹠ off switch of the present invention.
Fig. 2 is the schematic diagram of the FPC plate of the antenna integrated and on ﹠ off switch of the present invention.
Fig. 3 is the schematic diagram of the return loss characteristic that obtains of antenna integrated and FPC board test on ﹠ off switch of the present invention.
Fig. 4 is the schematic diagram of the antenna space direction that obtains of antenna integrated and FPC board test on ﹠ off switch of the present invention.
Embodiment
The invention provides a kind of FPC plate and mobile terminal of antenna integrated and on ﹠ off switch, clearer, clear and definite for making purpose of the present invention, technical scheme and effect, developing simultaneously referring to accompanying drawing, the present invention is described in more detail for embodiment.Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
FPC plate and the mobile terminal of a kind of antenna integrated and on ﹠ off switch that the embodiment of the present invention provides, described mobile terminal is take mobile phone as example, as shown in Figure 1, the FPC(Flexible Printed Circuit of antenna integrated and on ﹠ off switch, Flexible Printed Circuit) plate 20 is arranged on a side of mobile phone PCB mainboard 10, more preferably is arranged near the breach on mobile phone PCB mainboard shown in Figure 1 10 tops.Please consult simultaneously Fig. 2, described FPC plate 20 comprises Pu Tong district (dash area in Fig. 2), antenna energy feedback point PAD1, on ﹠ off switch energy feedback point PAD2, ground pad PAD3 and on ﹠ off switch shell fragment 201.
What in embodiments of the present invention, described FPC plate adopted is the FPC plate of on ﹠ off switch.In prior art, the FPC plate of on ﹠ off switch comprises three pads shown in Figure 2, and wherein the pad of Far Left (from orientation shown in Figure 2) is for reserving pad, and its top is originally with the Pu Tong district and is connected.The top that the present invention will reserve pad separates with paving copper and leaves, and will reserve pad as the input of antenna modulation signal, and namely antenna energy is presented point; The main body of the antenna that again antenna energy feedback point PAD1, ground pad PAD3 and Pu Tong district is joined together to form is equivalent to the FPC plate of original on ﹠ off switch has been become antenna; Simultaneously, on ﹠ off switch energy feedback point PAD2 and 201 electric connections of on ﹠ off switch shell fragment, this FPC plate 20 has also kept the function of original on ﹠ off switch, has so just formed the FPC plate 20 of an integrated antenna and on ﹠ off switch.The FPC plate of embodiment of the present invention selector switch key is as the main body of antenna, is to make it be subjected to ectocine less because the control mode of on ﹠ off switch is simple, peripheral circuit is less, makes after antenna that performance is stable, better effects if.If select other buttons, as sound size key or digital keys, its operation is comparatively frequent, and circuit layout connects up and control mode is more complicated, easily affects the work of antenna.
Should be understood that, in prior art, the FPC plate has a plurality of layers, the Pu Tong district of the FPC plate 20 of antenna integrated and on ﹠ off switch of the present invention, an antenna energy feedback point PAD1, on ﹠ off switch energy feedback point PAD2, ground pad PAD3 and on ﹠ off switch shell fragment 201 all are arranged on same layer, and antenna energy feedback PAD1, ground pad PAD3 and Pu Tong district link together by conductor (copper) in this layer.And on ﹠ off switch energy feedback point PAD2 and on ﹠ off switch shell fragment 201 to be cablings by another layer link together, be electric connection.
Wherein, described antenna energy feedback point PAD1, on ﹠ off switch energy feedback point PAD2, ground pad PAD3 adjacent setting successively.Suppose that will spread as shown in Figure 2 copper divides into the upper and lower, an antenna energy feedback point PAD1, on ﹠ off switch energy feedback point PAD2, the ground pad PAD3 adjacent top that is arranged on Pu Tong district successively from left to right, like this can so that weld and the peripheral electron device less on its impact.Be subject to the impact of on ﹠ off switch for fear of the modulation signal of antenna, on ﹠ off switch shell fragment 201 is arranged on the bottom away from the Pu Tong district of antenna energy feedback point; More preferably, on ﹠ off switch shell fragment 201 is arranged in the middle of the bottom in Pu Tong district, can equiblibrium mass distribution when electric current is flowed in the bottom in Pu Tong district, and avoid the large electric current of the inhomogeneous generation of CURRENT DISTRIBUTION to burn out FPC plate 20.Be converted to electric current after the modulation signal of antenna is presented the some input from antenna energy, electric current flows along the conductor (being copper) of FPC plate, is full of whole Pu Tong district, and the part electric current can flow in ground pad PAD3.Can be assumed to be electric current and flow along dotted line shown in Figure 2, PAD1 flows out from antenna energy feedback point, flows at last in ground pad PAD3, and flow direction as shown by arrows.The modulation signal of antenna flows out from ground pad along Pu Tong district mobile rear section modulation signal from the input of antenna energy feedback point, just forms flow path shown in dotted lines in Figure 2.When electric current flows in the Pu Tong district, major part can be radiated outer handset (transmitting) or be transferred to other modules of interior of mobile phone (reception signal), and small part can flow out from ground pad PAD3, cause certain loss.
The present invention can work the Pu Tong district of the FPC plate of the on ﹠ off switch main body as antenna in order to make antenna, and will satisfy the designing requirement of antenna area on working frequency range, can reduce loss, can realize above-mentioned requirements by the length of adjusting flow path.When adjusting the length of flow path, for fear of affecting pad and easy to adjust, get final product by the length that lengthens or shorten the X section in Fig. 2.When the length of flow path be wavelength corresponding to working frequency range 1/8 to 1/4 the time better.The corresponding wavelength value of each operating frequency of antenna, the retrieval of can surfing the Net draws.
It will be appreciated that, flow path shown in dotted lines in Figure 2 is only a kind of expression mode, in fact is paved with whole Pu Tong district during current flowing, and its real flow path is calculated by corresponding software and obtains, the length of X section is also calculated by software and is obtained, and the present invention is not described further this.
Based on the FPC plate of the antenna integrated and on ﹠ off switch of above-described embodiment, the embodiment of the present invention also provides a kind of mobile terminal, and described mobile terminal comprises the FPC plate of above-mentioned antenna integrated and on ﹠ off switch, and described FPC plate can be realized the function of antenna and on ﹠ off switch.Described mobile terminal is carried out performance test, and the return loss characteristic that obtains as shown in Figure 3.Transverse axis in Fig. 3 represents the frequency size, and vertical pivot represents the value of return loss.The energy that the less representative of the value of return loss is fewer is reflected waste, and more Energy Transfers are to antenna.When the value of return loss be-during 6dB, 75% Energy Transfer is described to antenna, only have 25% energy to be reflected waste.As can be seen from Figure 3, at 2.2GHz ~ 2.5GHz(working frequency range) in scope, all less than-6dB, after showing that mobile terminal provided by the invention adopts the FPC plate of antenna integrated and on ﹠ off switch, energy dissipation is less for the value of return loss.
Fig. 4 is the schematic diagram of the antenna space direction that obtains of antenna integrated and FPC board test on ﹠ off switch of the present invention, transverse axis is space angle, vertical pivot is the radiation gain value, and the simulation result of Fig. 4 shows, the mobile terminal that the embodiment of the present invention provides can reach the same effect with prior art.
The antenna efficiency figure that following table obtains for actual test:
| Operating frequency (MHz) | 2400 | 2410 | 2420 | 2430 | 2440 | 2450 | 2460 | 2470 | 2480 | 2490 | 2500 |
| Efficient (dB) | -7.62 | -7.15 | -6.24 | -5.65 | -6.51 | -7.05 | -6.07 | -5 | -5.53 | -6.19 | -6.42 |
Efficient numerical value is larger, represents that radiation is better, and antenna performance is just better.Presentation of results antenna most effective when the operating frequency of 2.4GHz in this table, the antenna equivalent by the FPC plate of integrated antenna and on ﹠ off switch can work.
More than be embodied as FPC plate and the mobile terminal of antenna integrated and on ﹠ off switch provided by the invention, in Fig. 2, the pattern of shown FPC plate is specific to can be because designing requirement, mobile phone model difference on an equal basis slightly not in reality.
In sum, FPC plate and the mobile terminal of antenna integrated and on ﹠ off switch provided by the present invention, utilized the FPC plate of on ﹠ off switch, be provided with antenna energy feedback point and antenna energy feedback point and Pu Tong district, ground pad be joined together to form the main body of antenna on the FPC plate, be equivalent to the FPC plate of on ﹠ off switch has been become antenna; Simultaneously, the present invention is electrically connected on ﹠ off switch energy feedback point with the on ﹠ off switch shell fragment, make the FPC plate of on ﹠ off switch also keep the on ﹠ off switch function; The present invention has realized that the on ﹠ off switch of antenna and power supply shares a FPC plate, can save traditional BT/WIFI antenna, has reduced the cost of antenna, easily realizes, is fit to a large amount of production; It can also save the inner space of mobile terminal, avoids ultrathin mobile phone the restriction of antenna area to be affected the normal operation of antenna.
In addition, show according to above-mentioned actual measured results (Fig. 3, Fig. 4 and form), adopted the normal receiving and transmitting signal of mobile terminal energy of the FPC plate of antenna integrated and on ﹠ off switch, and this FPC plate can satisfy the requirement of antenna work, the energy of its reflection waste is less, and radiation is better.
Be understandable that, for those of ordinary skills, can be equal to replacement or change according to technical scheme of the present invention and inventive concept thereof, and all these changes or replacement all should belong to the protection range of the appended claim of the present invention.
Claims (5)
1. the FPC plate of an antenna integrated and on ﹠ off switch, is characterized in that, described FPC plate comprises that Pu Tong district, antenna energy feedback point, on ﹠ off switch energy present point, ground pad and on ﹠ off switch shell fragment;
Described antenna energy feedback point, ground pad are connected with the Pu Tong district; Described on ﹠ off switch energy feedback point is electrically connected with the on ﹠ off switch shell fragment.
2. the FPC plate of antenna integrated and on ﹠ off switch according to claim 1, is characterized in that, described antenna energy feedback point, on ﹠ off switch energy feedback point, ground pad adjacent setting successively.
3. the FPC plate of antenna integrated and on ﹠ off switch according to claim 2, is characterized in that, the modulation signal of antenna is from the input of antenna energy feedback point, and the rear section modulation signal that flows along Pu Tong district flows out from ground pad, forms a mobile path.
4. the FPC plate of antenna integrated and on ﹠ off switch according to claim 3, is characterized in that, the length of described flow path is 1/8 to 1/4 of wavelength corresponding to working frequency range.
5. a mobile terminal, is characterized in that, described mobile terminal comprises the FPC plate of the described antenna integrated and on ﹠ off switch of claim 1-4 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310089798.7A CN103178326B (en) | 2013-03-20 | 2013-03-20 | The FPC plate of a kind of antenna integrated and on & off switch and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310089798.7A CN103178326B (en) | 2013-03-20 | 2013-03-20 | The FPC plate of a kind of antenna integrated and on & off switch and mobile terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103178326A true CN103178326A (en) | 2013-06-26 |
| CN103178326B CN103178326B (en) | 2016-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310089798.7A Expired - Fee Related CN103178326B (en) | 2013-03-20 | 2013-03-20 | The FPC plate of a kind of antenna integrated and on & off switch and mobile terminal |
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| Country | Link |
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| CN (1) | CN103178326B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105071024A (en) * | 2015-08-26 | 2015-11-18 | 广东欧珀移动通信有限公司 | Antenna system of mobile terminal |
| CN105916299A (en) * | 2016-04-29 | 2016-08-31 | 宇龙计算机通信科技(深圳)有限公司 | Printed circuit board and electronic device having printed circuit board |
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| KR20060092729A (en) * | 2005-02-18 | 2006-08-23 | 엘지전자 주식회사 | Antenna of mobile communicator |
| KR100720939B1 (en) * | 2005-11-18 | 2007-05-22 | 주식회사 아모텍 | Fpcb and portable terminal with the fpcb |
| CN101719588A (en) * | 2009-12-31 | 2010-06-02 | 中兴通讯股份有限公司 | Implementation method of terminal antenna and terminal |
| CN102468528A (en) * | 2010-10-28 | 2012-05-23 | 宏达国际电子股份有限公司 | Hand-held device |
| JP2012239119A (en) * | 2011-05-13 | 2012-12-06 | Panasonic Corp | Portable wireless device |
| CN202713411U (en) * | 2012-08-23 | 2013-01-30 | 广东欧珀移动通信有限公司 | Antenna device of mobile phone side buttons |
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2013
- 2013-03-20 CN CN201310089798.7A patent/CN103178326B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060092729A (en) * | 2005-02-18 | 2006-08-23 | 엘지전자 주식회사 | Antenna of mobile communicator |
| KR100720939B1 (en) * | 2005-11-18 | 2007-05-22 | 주식회사 아모텍 | Fpcb and portable terminal with the fpcb |
| CN101719588A (en) * | 2009-12-31 | 2010-06-02 | 中兴通讯股份有限公司 | Implementation method of terminal antenna and terminal |
| CN102468528A (en) * | 2010-10-28 | 2012-05-23 | 宏达国际电子股份有限公司 | Hand-held device |
| JP2012239119A (en) * | 2011-05-13 | 2012-12-06 | Panasonic Corp | Portable wireless device |
| CN202713411U (en) * | 2012-08-23 | 2013-01-30 | 广东欧珀移动通信有限公司 | Antenna device of mobile phone side buttons |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105071024A (en) * | 2015-08-26 | 2015-11-18 | 广东欧珀移动通信有限公司 | Antenna system of mobile terminal |
| CN105071024B (en) * | 2015-08-26 | 2018-01-19 | 广东欧珀移动通信有限公司 | The antenna system of mobile terminal |
| CN108054493A (en) * | 2015-08-26 | 2018-05-18 | 广东欧珀移动通信有限公司 | The antenna system of mobile terminal |
| CN108054493B (en) * | 2015-08-26 | 2020-01-10 | Oppo广东移动通信有限公司 | Antenna system of mobile terminal |
| CN105916299A (en) * | 2016-04-29 | 2016-08-31 | 宇龙计算机通信科技(深圳)有限公司 | Printed circuit board and electronic device having printed circuit board |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103178326B (en) | 2016-06-15 |
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