CN1358007A - Built-in cellphone antenna - Google Patents
Built-in cellphone antenna Download PDFInfo
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- CN1358007A CN1358007A CN 00134843 CN00134843A CN1358007A CN 1358007 A CN1358007 A CN 1358007A CN 00134843 CN00134843 CN 00134843 CN 00134843 A CN00134843 A CN 00134843A CN 1358007 A CN1358007 A CN 1358007A
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- antenna
- helical spring
- circuit board
- mobile phone
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Abstract
A mobile phone built in antenna is designed in the shell including the first flat-bed antenna as one end to be connected with the power source circuit of circuit board by the first spiral spring and the other end to be connected with the earthing end of circuit board by the second spiral spring to make the first flat-bed antenna and circuit board an elctric loop, the second flat-bed antenna as one end to be connected with the power source circuit of circuit board by the third spiral spring and the other end to be connected with the earthing end of circuit board by the fourth spiral spring. Each of both antennas can be manufactured separately to simplify the production control and it can adjust the response frequency conveniently by adjusting the area of flat-bed antenna and the coil numbers of corresponding spiral spring.
Description
The present invention relates to a kind of built-in antenna of mobile phone, particularly relate to a kind ofly not flexiblely fracture, manufacturing and quality of production management is easier to and extendibility height, the built-in antenna easily adjusted.
Because the wireless communication technique of electromagnetic wave transmission signal has the convenience of remote use, and the various product categories of wireless communication technique of utilizing are maked rapid progress, especially the use of mobile phone is more popular, almost with the stage of every one can have a machine, again owing to use the event of electromagnetic wave transmission signal, therefore the antenna structure in order to the induced electricity magnetic wave is a necessary device in the mobile phone, with nowadays general mobile phone handsets antenna configuration, the overwhelming majority is a kind of antenna structure of exposed conveying appliance, be that its antenna is the protruding hand set machine shell outside that is exposed at, in order to receive or electromagnetic signals, yet the antenna of this kind exposed conveying appliance has and is subjected to foreign object collision easily and produces crooked, the shortcoming that fractures, and moulding for mobile phone, the antenna of its protruding dew also influences moulded attractive in appearance, on the other hand, the electromagnetic wave field effect that is produced because of the exposed conveying appliance antenna is surrounded on around the antenna, so the electromagnetic wave that is in use produced might influence user's head, though there is not the electromagnetic wave of conclusive evidence proof mobile phone harmful as yet, but existing experimental results show that to be exposed to for a long time may cause the some bad effects of human body under the electromagnetic wave, based on healthy reason, this kind exposed conveying appliance antenna has the doubt that influences user's brain function, therefore, in order to improve the shortcoming of above-mentioned exposed conveying appliance antenna, so there is a kind of built-in antenna structure that is installed on casing inside, the mobile phone back side to produce, make mobile phone moulded comparatively attractive in appearance, its antenna is well more not fragile, and because it is installed on the mobile phone back side, can make the electromagnetic wave field of its generation can be, to reduce the influence of electromagnetic wave to user's brain away from user's head.
As shown in Figure 1, it is a kind of existing built-in antenna structure, its main device is in a mobile phone 1 back side casing and be one to have conducting strip 2 structures of fixed-area, it can produce with the circuit board 11 in the mobile phone 1 and be electrically connected, to become a kind of tabular antenna configuration, trend along with dual-band mobile phone, make mobile phone can receive the communication system signal of high frequency and two kinds of different frequency scopes of low frequency, so general way is cut conducting strip 2 and is had a line of rabbet joint 20, make conducting strip form the zone of two unequal-areas generally, as scheme central authorities and can be the high frequency region 21 of induction of high frequency signal than the zone of small size, peripheral larger area zone then is the low frequency range 22 of induction low frequency signal, and wherein the high frequency region 21 of conducting strip 2 is relevant with the communication system frequency range that is responded with low frequency range 22 required areas.
Yet, though above-mentioned built-in antenna has improved the shortcoming of exposed conveying appliance antenna, in practical application and manufacture process, have following desirable not to the utmost part:
One, different frequency can influence each other, cause mobile phone reception instability: because the high frequency region 21 of different frequency is positioned in the middle of the same conducting strip 2 with low frequency range 22, and distance is quite close, both will produce interactional effect in reception, make reception also unstable.
Two, the quality management of conducting strip is difficult for: as mentioned above, the high frequency region 21 of conducting strip 2 is relevant with the communication system frequency range of low frequency range 22 required areas and institute's desire response, but the area of monolithic conductive sheet 2 is certain, it must rely on accurate cutting just can reach the required area of high frequency region 21 and low frequency range 22, in case there are some errors to produce, both are affected simultaneously and lose its due response frequency scope will to make high frequency region 21 and low frequency range 22, and can't revise operation, thereby produce the bad substandard products that can't use, for the quality management of production line, therefore sizable test beyond doubt, production cost also increase.
Three, be difficult for being extended for three-frequency mobile phone: since conducting strip 2 to divide into two kinds of frequencies quite difficult, then difficult more on producing if need on same conducting strip 2, increase the response region of another frequency again, its extendibility wretched insufficiency.
The object of the present invention is to provide a kind of reception stable, make easily, response frequency is easy to adjust, the extendibility height, and can adapt to the built-in antenna of various mobile radio volume.
The object of the present invention is achieved like this, a kind of built-in antenna of mobile phone promptly is provided, it is installed in mobile phone handsets casing inside, and be electrically connected with circuit board in the mobile phone, it includes at least: one first tabular antenna, has an area to respond to the oscillator signal of a first frequency scope, the one end connects the power circuit of this circuit board with one first helical spring, the other end connects the earth terminal of this circuit board with one second helical spring, makes this first tabular antenna be subjected to this first helical spring and the second helical spring support and forms an electric loop with this circuit board simultaneously; And one second tabular antenna, has certain area to respond to the oscillator signal of a second frequency scope, the one end connects the power circuit of this circuit board with a triple helical spring, the other end connects the earth terminal of this circuit board with one the 4th helical spring, makes this second tabular antenna be subjected to this triple helical spring and the 4th helical spring support and forms an electric loop with this circuit board simultaneously.
Thus, the present invention can avoid the antenna of different response frequencies to influence each other, and first plate aerial and the second tabular antenna are separate also can independently producing, can significantly simplify the control in the making, and can reach the purpose of being convenient to adjust response frequency by the area of adjustment tabular antenna and the mode of the corresponding helical spring number of turns.
In a word, in order to achieve the above object, the present invention comprises one first tabular antenna and one second tabular antenna at least, wherein, this first tabular antenna, one end connects the power circuit of this circuit board with one first helical spring, the other end then connects the earth terminal of this circuit board with one second helical spring, this second tabular antenna, one end connects the power circuit of this circuit board with a triple helical spring, and the other end connects the earth terminal of this circuit board with one the 4th helical spring.
Below in conjunction with accompanying drawing, describe embodiments of the invention in detail, wherein:
Fig. 1 is existing a kind of built-in antenna structural representation;
Fig. 2 is a preferred embodiment structural representation of the present invention;
Fig. 3 is a preferred embodiment side schematic view of the present invention.
Please refer to shown in Figure 2ly, it is the structural representation of the present invention's's built-in antenna of mobile phone a " structure " preferred embodiment; Its mainly the enclosure interior at mobile phone 1 back side include one first tabular antenna 3 and one second tabular antenna 4 at least; Wherein:
This first tabular antenna 3, probably be a sheet, can be one has the sheet metal of electric action or is the structure that is coated with conductive materials on the circuit board, it has certain area in order to respond to the oscillator signal of a first frequency scope, it in this example larger area low-frequency antenna in order to the response low frequency signal, the one end connects the power circuit of this circuit board 11 with one first helical spring 31, the other end connects the earth terminal of this circuit board 11 with one second helical spring 32, make the first tabular antenna 3 be subjected to the support of this first helical spring 31 and second helical spring 32 and while to form an electric loop with this circuit board 11, and become a complete antenna response circuit, wherein, first helical spring 31 and second helical spring 32 are except that having supporting role, it can be an inductor simultaneously also, therefore the spiral number of turns of first helical spring 31 and second helical spring 32 can influence its inductance value, thereby also can the response frequency that the whole first tabular antenna 3 is constituted be influenced to some extent.And
This second tabular antenna 4, its material is identical with the first tabular antenna 3 with structure, has certain area to respond to the oscillator signal of a second frequency scope, in this example be one the response high-frequency signal than the small size high frequency antenna, the one end connects the power circuit of this circuit board 11 with a triple helical spring 41, the other end then connects the earth terminal of this circuit board 11 with one the 4th helical spring 42, make this second tabular antenna 4 be subjected to the support of this triple helical spring 14 and the 4th helical spring 24 and while to form an electric loop with this circuit board 11, similarly, triple helical spring 41 and the 4th helical spring 42 can be an inductor simultaneously also, the also influence to some extent of response frequency that the size of its inductance value is constituted the whole second tabular antenna 4.
During application, the first tabular antenna 3 and the second tabular antenna, 4 mutual group can be loaded in the back housing of a mobile phone 1, thereby function with dual-band mobile phone, wherein the frequency response range of the first tabular antenna 3 can be by the spiral number of turns decision of its area and first helical spring 31 and second helical spring 32, therefore can be in response to the mobile phone of different inner spaces, for example, if the mobile phone inner space is less, area in order to the first tabular antenna 3 of response low frequency signal may must dwindle, so for to keep under the prerequisite of certain LF-response scope, the spiral number of turns of first helical spring 31 and second helical spring 32 can be increased, so can return because of area dwindles the effect compensating that response frequency is improved, vice versa, again, the frequency response of the second tabular antenna 4 is also for to utilize the spiral number of turns of its area and triple helical spring 41 and the 4th helical spring 42 to be adjusted, so, no matter hand set machine shell inner space size all can adapt to antenna configuration of the present invention.
In addition, for so-called three-frequency mobile phone, because the responsive antenna of different frequency of the present invention does not influence each other for independent separately, therefore can utilize same structure to add another tabular antenna of a characteristic frequency response range, therefore can be extended for three-frequency mobile phone quite easily.
Disclose as can be known via above, the present invention comprises one first tabular antenna and one second tabular antenna at least, wherein, this first tabular antenna, one end connects the power circuit of this circuit board with one first helical spring, the other end then connects the earth terminal of this circuit board with one second helical spring, this second tabular antenna, one end then connects the power circuit of this circuit board with a triple helical spring, the other end connects the earth terminal of this circuit board with one the 4th helical spring; Its advantage is:
One, reception effect stability: because therefore the antenna of different frequency of the present invention response does not influence each other for independent separately, the effect stability of its reception is preferable certainly.
Two, quality of production management is easily: because of separately independently the tabular antenna area better control, not have as existing built-in antenna needs the cutting process of precision, make efficiency can improve, and is also simpler and easy in the quality management, can so reduce the cost of production management.
Three, application height: keep required response frequency owing to can utilize the corresponding helical spring spiral number of turns that connects of area and institute thereof of adjusting the tabular antenna how much to reach, thus can be in response to the mobile phone use of different inner spaces, application significantly improves.
Four, extendibility is good: as previously mentioned, the present invention each independently the tabular antenna can be extended for three quite easily frequently or three above frequently mobile phones, can improve the extendibility in its design.
Comprehensive the above, the present invention's " built-in antenna structure of mobile phone " really can improve the shortcoming of existing built-in antenna because above-mentioned structure, reach be easy to make, application improves, use stable effect,
The above only is preferred embodiment of the present invention, and all equalizations of doing according to claim of the present invention change and modify, and all should belong to the covering scope of patent of the present invention.
Claims (4)
1. the built-in antenna of a mobile phone, it is installed in mobile phone handsets casing inside, and is electrically connected with circuit board in the mobile phone, and it includes at least:
One first tabular antenna, has an area to respond to the oscillator signal of a first frequency scope, the one end connects the power circuit of this circuit board with one first helical spring, the other end connects the earth terminal of this circuit board with one second helical spring, makes this first tabular antenna be subjected to this first helical spring and the second helical spring support and forms an electric loop with this circuit board simultaneously; And
One second tabular antenna, has certain area to respond to the oscillator signal of a second frequency scope, the one end connects the power circuit of this circuit board with a triple helical spring, the other end connects the earth terminal of this circuit board with one the 4th helical spring, makes this second tabular antenna be subjected to this triple helical spring and the 4th helical spring support and forms an electric loop with this circuit board simultaneously.
2. the built-in antenna of mobile phone as claimed in claim 1, wherein this first helical spring or second helical spring or triple helical spring or the 4th helical spring can have the effect of inductor simultaneously.
3. the built-in antenna of mobile phone as claimed in claim 1, wherein this first tabular antenna or the second tabular antenna are a sheet metal.
4. the built-in antenna of mobile phone as claimed in claim 3, wherein this first tabular antenna or the second tabular antenna are an outer circuit board that covers electric conducting material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00134843 CN1358007A (en) | 2000-12-08 | 2000-12-08 | Built-in cellphone antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00134843 CN1358007A (en) | 2000-12-08 | 2000-12-08 | Built-in cellphone antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1358007A true CN1358007A (en) | 2002-07-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00134843 Pending CN1358007A (en) | 2000-12-08 | 2000-12-08 | Built-in cellphone antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1358007A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100399625C (en) * | 2004-05-14 | 2008-07-02 | 广达电脑股份有限公司 | Hidden type antenna |
| CN100442597C (en) * | 2004-08-06 | 2008-12-10 | 纬创资通股份有限公司 | Method for manufacturing shell with radiating element and shell using same manufacture method |
| CN106025622A (en) * | 2016-07-19 | 2016-10-12 | 广东欧珀移动通信有限公司 | Housing apparatus, connecting structure and terminal device |
| CN106027723A (en) * | 2016-07-19 | 2016-10-12 | 广东欧珀移动通信有限公司 | Shell device and terminal equipment |
| CN106025621A (en) * | 2016-07-19 | 2016-10-12 | 广东欧珀移动通信有限公司 | Housing apparatus, connecting structure and terminal device |
| CN106099454A (en) * | 2016-07-19 | 2016-11-09 | 广东欧珀移动通信有限公司 | Casing device, attachment structure and terminal unit |
| CN108521028A (en) * | 2016-07-19 | 2018-09-11 | 广东欧珀移动通信有限公司 | Casing device and terminal device |
| CN109449576A (en) * | 2018-10-09 | 2019-03-08 | 江苏三和欣创通信科技有限公司 | A kind of four-arm spiral antenna of high-gain |
-
2000
- 2000-12-08 CN CN 00134843 patent/CN1358007A/en active Pending
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100399625C (en) * | 2004-05-14 | 2008-07-02 | 广达电脑股份有限公司 | Hidden type antenna |
| CN100442597C (en) * | 2004-08-06 | 2008-12-10 | 纬创资通股份有限公司 | Method for manufacturing shell with radiating element and shell using same manufacture method |
| CN106099454B (en) * | 2016-07-19 | 2018-05-29 | 广东欧珀移动通信有限公司 | Casing device, connection structure and terminal device |
| CN106027723A (en) * | 2016-07-19 | 2016-10-12 | 广东欧珀移动通信有限公司 | Shell device and terminal equipment |
| CN106025621A (en) * | 2016-07-19 | 2016-10-12 | 广东欧珀移动通信有限公司 | Housing apparatus, connecting structure and terminal device |
| CN106099454A (en) * | 2016-07-19 | 2016-11-09 | 广东欧珀移动通信有限公司 | Casing device, attachment structure and terminal unit |
| CN106025622A (en) * | 2016-07-19 | 2016-10-12 | 广东欧珀移动通信有限公司 | Housing apparatus, connecting structure and terminal device |
| CN106025621B (en) * | 2016-07-19 | 2018-05-29 | 广东欧珀移动通信有限公司 | Casing device, connection structure and terminal device |
| CN106025622B (en) * | 2016-07-19 | 2018-05-29 | 广东欧珀移动通信有限公司 | Casing device, connection structure and terminal device |
| CN108521028A (en) * | 2016-07-19 | 2018-09-11 | 广东欧珀移动通信有限公司 | Casing device and terminal device |
| CN106027723B (en) * | 2016-07-19 | 2019-02-05 | Oppo广东移动通信有限公司 | Casing device and terminal device |
| CN108521028B (en) * | 2016-07-19 | 2019-10-25 | Oppo广东移动通信有限公司 | Casing device and terminal device |
| CN109449576A (en) * | 2018-10-09 | 2019-03-08 | 江苏三和欣创通信科技有限公司 | A kind of four-arm spiral antenna of high-gain |
| CN109449576B (en) * | 2018-10-09 | 2020-09-11 | 江苏三和欣创通信科技有限公司 | High-gain four-arm helical antenna |
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