CN103579755B - Antenna and the method for the formation of antenna - Google Patents
Antenna and the method for the formation of antenna Download PDFInfo
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- CN103579755B CN103579755B CN201210279806.XA CN201210279806A CN103579755B CN 103579755 B CN103579755 B CN 103579755B CN 201210279806 A CN201210279806 A CN 201210279806A CN 103579755 B CN103579755 B CN 103579755B
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Abstract
Provide a kind of electronics for having metal edge frame antenna and for the formation of the method for antenna. Described antenna comprises: Department of Radiation, utilizes the metal edge frame of described electronics to be formed; Feed pin, is positioned in the first location of described Department of Radiation, for being fed to communication signal; Ground connection pin, is positioned in the second position of described Department of Radiation, for being connected to ground by frequency selection circuit. In the inventive solutions, by as the radiation part of antenna and utilizing frequency selection circuit to obtain desired frequency bandwidth the metal edge frame of electronics so that electronics has the performance of antenna that ensure that electronics of good metal-like simultaneously.
Description
Technical field
The present invention relates to the communications field, more specifically, it relates to a kind of antenna and the method for the formation of antenna.
Background technology
Along with the fast development of mobile communication technology, various types of electronics with communication function occurs, such as computer, personal digital assistant, intelligence communication terminal etc. Described electronics has antenna to transmit information and data etc. In addition, described electronics is as the daily electronic product carried of user, and its appearance design is also by user is paid close attention to. Such as, user is more and more higher to the requirement of the thickness of electronics and metal-like, and ultra-thin and metal-like becomes a kind of trend of mobile terminal design. Therefore, not only expect that the electronics as mobile communication equipment has excellent performance of antenna it is also expected to this electronics has good metal-like.
For mobile communication equipment, the antenna design of described mobile communication equipment adopts conventional planar inverted-F antenna (PIFA usually, PlanarInvertedFAntenna) or unipole carry out built-in aerial design, described built-in aerial all easily by the impact of shell after all-metal, causes the deterioration of performance of antenna. For this reason, a kind of existing solution be after the all-metal to mobile communication equipment shell do local empty process, to meet the radiance of antenna. But, the aesthetic feeling processing the appearance design reducing mobile communication equipment is emptied in this kind of local, and the bulk metal texture making mobile communication equipment is lowered, and also reduces the Structural Strength Design of ultra-thin mobile signal equipment simultaneously.
In addition, there is the antenna design that electronics adopts microstrip-fed gap radiation principle, also there is the problem easily by holding to, performance of antenna seriously being declined in this antenna, microstrip-fed gap also affects outward appearance and the structure design of electronics simultaneously.
Therefore, the existing antenna design of electronics is difficult to ensureing that the electronics that simultaneously makes of performance of antenna has good metal-like.
Summary of the invention
Embodiments providing a kind of antenna and the method for the formation of antenna, it ensures the performance of antenna of electronics while electronics can be made to have good metal-like.
On the one hand, it provides a kind of antenna, for having the electronics of metal edge frame, described antenna comprises: Department of Radiation, utilizes the metal edge frame of described electronics to be formed; Feed pin, is positioned in the first location of described Department of Radiation, for being fed to communication signal; Ground connection pin, is positioned in the second position of described Department of Radiation, for being connected to ground by frequency selection circuit.
Preferably, described feed pin is connected to communication signal transceivers by bandwidth of an antenna matching network, thus opens up the frequency bandwidth of wide described antenna.
Preferably, described first location and the second position can be determined according to the girth of described metal edge frame, width and specific conductivity.
Preferably, described antenna also comprises: additional ground connection pin, it is positioned on the 3rd position of described Department of Radiation, for being connected to ground by additional frequency selection circuit, wherein, described frequency selection circuit is for transmitting the communication signal of the first frequency bandwidth, and described additional frequency selection circuit is for transmitting the communication signal of the 2nd frequency bandwidth, and the frequency in described first frequency bandwidth is higher than the frequency in described 2nd frequency bandwidth.
Preferably, described metal edge frame can be tetragon, and described first location can be positioned at the angle place of described metal edge frame, the second position and the 3rd position can be positioned at described metal edge frame same on.
Preferably, the described ground being connected with described ground connection pin can be the ground of the circuit main board of described electronics.
Preferably, described metal edge frame can be all-metal frame.
On the other hand, it provides a kind of method for the formation of antenna, for having the electronics of metal edge frame, described method comprises: utilize the metal edge frame of described electronics to form Department of Radiation; The first location of described Department of Radiation forms feed pin, to be fed to communication signal; The second position of described Department of Radiation is formed ground connection pin; And described ground connection pin is connected to ground by frequency selection circuit.
At the above-mentioned antenna of the embodiment of the present invention with for the formation of in the technical scheme of the method for antenna, by as the radiation part of antenna and utilizing frequency selection circuit to obtain desired frequency bandwidth the metal edge frame of electronics so that electronics has the performance of antenna that ensure that electronics of good metal-like simultaneously.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, it is briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 illustrates the structure of antenna according to embodiments of the present invention;
Fig. 2 illustrates the structure of antenna according to another embodiment of the present invention;
Fig. 3 illustrates the equivalent-circuit diagram according to the bandwidth of an antenna matching network in another embodiment of the present invention;
The schema of Fig. 4 method for the formation of antenna according to embodiments of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is the present invention's part embodiment, instead of whole embodiments.
Antenna according to embodiments of the present invention is the principle based on tours antenna, and it can be applicable to have any electronics of metal edge frame, such as computer, personal digital assistant, intelligence communication terminal etc. For described electronics as intelligence communication terminal, described metal edge frame can be intelligence communication terminal shell in around the metal edge frame of screen, it is also possible to be other metallic region that can form annular in the shell of intelligence communication terminal. Such as, described metal edge frame can be all-metal frame. In addition, the part being used as antenna in the shell of described electronics is except can for except metal, it is also possible to be other conductor any.
Fig. 1 illustrates the structure of antenna 100 according to embodiments of the present invention.
Described antenna 100 comprises: Department of Radiation 110, utilizes the metal edge frame of described electronics to be formed; Feed pin 120, is positioned on the first location P1 of described Department of Radiation, for being fed to communication signal; Ground connection pin 130, is positioned on the second position P2 of described Department of Radiation, for being connected to ground by frequency selection circuit 131.
Described Department of Radiation 110 utilizes the metal edge frame of described electronics to be formed, for radiating the communication signal being fed to by feed pin 120. Because this Department of Radiation 110 utilizes the metal edge frame of electronics to be formed, namely it is a part for the metal shell of electronics, so this Department of Radiation does not affect by blocking of metal shell. In addition, this Department of Radiation formed by metal edge frame meets the appearance design of electronics and the metal-like requirement of structure design, is particularly suitable for the electronics of requirement metal-like. The disadvantageous effect of metal edge frame is turned into the radiation of favourable performance of antenna by the antenna according to the present invention, has good antenna radiation efficiency and performance and makes electronics have good metal-like.
Described feed pin 120 is positioned on the first location P1 of described Department of Radiation 110, for being fed to communication signal. In FIG, in order to clear, feed pin 120 is illustrated as the pin drawn from described first location P1. In concrete use, this feed pin 120 can need suitably adjustment according to design with the distance of first location P1. The communication signal processed in electronics is fed to described Department of Radiation 110 and radiates by described feed pin 120, to communicate.
Described ground connection pin 130 is positioned on the second position P2 of described Department of Radiation, for being connected to ground 132 by frequency selection circuit 131. Described ground 132 can be the ground of the circuit main board of described electronics. Described frequency selection circuit 131 can be bandpass filter, for filtering out the signal of the communication bandwidth of expectation in the frequency bandwidth signals that can radiate from Department of Radiation 110. In concrete practice, it is possible to the difference of the signal radiated according to antenna selects the frequency selection circuit of appropriate bandwidth. Utilize this frequency selection circuit 131, it is possible to regulate the frequency bandwidth of communication signal flexibly, reduce design difficulty, and add the scope of application of antenna.
In addition, described first location P1 and second position P2 can be arranged according to the length of described metal edge frame, width and specific conductivity. In concrete practice, it is possible in conjunction with the work frequency band of antenna and the appearance design of electronics, optimize the first location of described feed pin 120 and the second position P2 of ground connection pin 130.
In the above-mentioned antenna of the embodiment of the present invention, by as the radiation part of antenna and utilizing frequency selection circuit to obtain desired frequency bandwidth the metal edge frame of electronics so that electronics has the performance of antenna that ensure that electronics of good metal-like simultaneously.
In concrete application, it is possible to according to outward appearance and the structure design of the work frequency band of antenna and electronics, above-mentioned antenna is carried out following change and amendment. It is described below in conjunction with Fig. 2 and Fig. 3.
Fig. 2 illustrates the structure of antenna 200 according to another embodiment of the present invention.
In this Fig. 2, Department of Radiation 210, feed pin 220, ground connection pin 230 and frequency selection circuit 231 and the Department of Radiation 110 shown in Fig. 1, feed pin 120, ground connection pin 130 are identical with frequency selection circuit 131. Here no longer describe in detail.
Antenna 200 in Fig. 2 mainly contains following two with the difference of the antenna 100 in Fig. 1. A difference is: this antenna 200 also comprises additional ground connection pin 240, it is positioned at P3 on the 3rd position of described Department of Radiation, for being connected to ground by additional frequency selection circuit 241, wherein, described frequency selection circuit 231 is for transmitting the communication signal of the first frequency bandwidth, described additional frequency selection circuit 241 is for transmitting the communication signal of the 2nd frequency bandwidth, and the frequency in described first frequency bandwidth is higher than the frequency in described 2nd frequency bandwidth. Take electronics as intelligence communication terminal being example, described metal edge frame is tetragon, and described first location P1 can be positioned at the angle place of described metal edge frame, second position P2 and the 3rd position P3 can be positioned at described metal edge frame same on. A position P1, second position P2 described in this and the 3rd position P3 can determine according to the girth of described metal edge frame, width and specific conductivity. Another difference is: the described feed pin 220 in described antenna 200 is connected to communication signal transceivers by bandwidth of an antenna matching network 250, thus opens up the frequency bandwidth of wide described antenna. It is noted that carry out antenna design time, it is possible to as required adopt Fig. 2 and Fig. 1 above-mentioned two distinguish in any one or the two.
Described additional ground connection pin 240 and additional frequency selection circuit 241 are for increasing the frequency bandwidth of antenna. In the current communications field, the communication bandwidth requirement of antenna increases gradually, from previous two five frequencies (824-960MHz, 1710-2170MHz) being frequently increased to G mobile communication, even more. Described additional ground connection pin 240, additional frequency selection circuit 241 define the two frequency bandwidth (low frequency bandwidth) of frequency lower than the first frequency bandwidth with Department of Radiation 210 and feed pin 220, to meet the communication needs of multiband.
When to be transmitted the communication signal of the first frequency bandwidth (high frequency bandwidth), ground connection pin 230 is communicated by the ground of frequency selection circuit 231 with the circuit main board of electronics, and additional frequency selection circuit 241 makes the ground isolation of additional ground connection pin 240 with the circuit main board of electronics, thus do not transmit the communication signal of the 2nd frequency bandwidth (low frequency bandwidth). Now, feed pin 220, Department of Radiation 210, ground connection pin 230, frequency selection circuit 231 and ground form the path of the first frequency bandwidth (high frequency bandwidth) of tours antenna. When to be transmitted the communication signal of the 2nd frequency bandwidth (low frequency bandwidth), additional ground connection pin 240 is communicated with the ground of the circuit main board of electronics by additional frequency selection circuit 241, and frequency selection circuit 231 makes the ground isolation of the circuit main board of ground connection pin 230 with electronics, thus do not transmit the communication signal of the first frequency bandwidth (high frequency bandwidth). Now, feed pin 220, Department of Radiation 210, additional ground connection pin 240, additional frequency selection circuit 241 and ground form the path of the 2nd frequency bandwidth (low frequency bandwidth) of tours antenna. Like this, antenna 200 is provided with the first frequency bandwidth (high frequency bandwidth) and the performance characteristics of the 2nd frequency bandwidth (low frequency bandwidth), meets the demand of the multiband work of the antenna of electronics. It is noted that multiple additional ground connection pins 240 and corresponding additional frequency selection circuit 241 can also be arranged in antennas, to provide more communication band.
In fig. 2, feed pin 220 is connected to the communication signal transceivers of electronics by bandwidth of an antenna matching network 250, thus opens up the frequency bandwidth of wide described antenna. Described bandwidth of an antenna matching network 250 has the effect of the communication bandwidth of exhibition Wide antenna. Therefore, when causing the operating frequency of antenna to occur to offset when the shell of user's hand-held electronic equipment, due to the frequency bandwidth utilizing bandwidth of an antenna matching network 250 to open up antenna wide, operating frequency after skew can still be in the frequency bandwidth of antenna, thus avoids the performance of antenna decline owing to frequency shift causes.
Exemplarily, it is possible to use M type antenna matching network is as described bandwidth of an antenna matching network 250. Fig. 3 illustrates the equivalent-circuit diagram of M type antenna matching network. In figure 3, inductance component L1, electric capacity device C1, inductance component L2 can be used for the impedance matching optimization of the low frequency frequency range (such as, described 2nd frequency bandwidth) of antenna, to open up the bandwidth of an antenna of wide low frequency frequency range, notch depth and antenna radiation efficiency; Inductance component L3 and electric capacity device C2 for carrying out the impedance matching optimization of the high-frequency band (such as, described first frequency bandwidth) of antenna, to open up the bandwidth of an antenna of wide high-frequency band, notch depth and antenna radiation efficiency.
When a signal is received, the metal edge frame of the communication formation tours antenna of signal by the present invention enters bandwidth of an antenna matching network 250, and then enters communication signal transceivers and carry out reception process; When a signal is transmitted, transfer signals to bandwidth of an antenna matching network 250 by communication signal transceivers, and then it is radiate by metal edge frame, thus achieve the normal transmitting-receiving of communication signal. Utilize described bandwidth of an antenna matching network 250 to realize the broadened bandwidth object of antenna, reduce the antenna frequency deviation under the actual service condition of user to the impact of performance of antenna, it is achieved the optimum signal of antenna receives and launches.
It is noted that the M type antenna matching network in Fig. 3 is only schematic. In a particular application, other bandwidth of an antenna matching network can be selected according to the number of the communication band of antenna and frequency.
In the antenna according to the present invention shown in Fig. 2, adopt metal edge frame as sky beta radiation body based on tours antenna principle of design, the optimization design with frequency selection circuit is selected in conjunction with the position of antenna feed pin and feedback ground pin, and/or the bandwidth of operation of each frequency range of Wide antenna is opened up in conjunction with bandwidth of an antenna matching network, reach the object of multifrequency antenna design, and overcome the problem that the performance of antenna caused owing to holding seriously declines.
The schema of Fig. 4 method 400 for the formation of antenna according to embodiments of the present invention. Any electronics with metal edge frame should be applied to for the formation of the method 400 of antenna. Described method 400 comprises: utilize the metal edge frame of described electronics to form Department of Radiation (S410); The first location of described Department of Radiation forms feed pin, to be fed to communication signal (S420); The second position of described Department of Radiation is formed ground connection pin (S430); And by described ground connection pin by frequency selection circuit be connected to (S440).
In S410, utilize the metal edge frame of described electronics to form Department of Radiation. This Department of Radiation is used for radiated communications signal. Described metal edge frame can be electronics shell in around the metal edge frame of screen, it is also possible to be other metallic region that can form annular in described shell. This metal edge frame can be such as all-metal frame. Because Department of Radiation utilizes the metal edge frame (i.e. a part for metal shell) of electronics to be formed, so this Department of Radiation does not affect by blocking of metal shell. In addition, this Department of Radiation formed by metal edge frame meets the appearance design of electronics and the metal-like requirement of structure design, is particularly suitable for the electronics of requirement metal-like. Therefore, the disadvantageous effect of metal edge frame is turned into the radiation of favourable performance of antenna, there is good antenna radiation efficiency and performance and there is good metal-like.
In S420, the first location of described Department of Radiation forms feed pin, to be fed to communication signal. The communication signal processed in the electronic device is fed to described Department of Radiation 110 and radiates by described feed pin, to communicate. In addition, as previously mentioned, this feed pin is connected to communication signal transceivers by bandwidth of an antenna matching network, thus opens up the frequency bandwidth of wide described antenna. Bandwidth of an antenna matching network has the effect of the communication bandwidth of exhibition Wide antenna. Therefore, when causing the operating frequency of antenna to occur to offset when the shell of user's hand-held electronic equipment, owing to having utilized the bandwidth of an antenna matching network exhibition width frequency bandwidth of antenna, operating frequency after skew can still be in the frequency bandwidth of antenna, thus avoids the performance of antenna decline owing to frequency shift causes. The description that the structure of bandwidth of an antenna matching network can carry out see the diagram of Fig. 3 and composition graphs 3.
In S430, the second position of described Department of Radiation forms ground connection pin. First location in the described second position and S420 can be determined according to the girth of metal edge frame, width and specific conductivity. In concrete application, it is possible in conjunction with the work frequency band of antenna and the appearance design of electronics, come optimal design-aside first location and second position P2.
In S440, described ground connection pin is connected to ground by frequency selection circuit. Described ground can be the ground of the circuit main board of electronics. Described frequency selection circuit can be bandpass filter, for filtering out the signal of the communication bandwidth of expectation in the frequency bandwidth signals that can radiate from Department of Radiation 110. Utilize this frequency selection circuit, it is possible to regulate the frequency bandwidth of communication signal flexibly, reduce design difficulty, and add the applying flexible of antenna.
In the above-mentioned method for the formation of antenna of the embodiment of the present invention, by as the radiation part of antenna and utilizing frequency selection circuit to obtain desired frequency bandwidth the metal edge frame of electronics so that electronics has the performance of antenna that ensure that electronics of good metal-like simultaneously.
Can selection of land, in order to increase the frequency bandwidth of antenna, the described method 400 for the formation of antenna can also comprise: forms additional ground connection pin on the 3rd position of described Department of Radiation; It is connected to ground by additional frequency selection circuit with by described additional ground connection pin, wherein, described frequency selection circuit is for transmitting the communication signal of the first frequency bandwidth, described additional frequency selection circuit is for transmitting the communication signal of the 2nd frequency bandwidth, and the frequency in described first frequency bandwidth is higher than the frequency in described 2nd frequency bandwidth.
Described additional ground connection pin, additional frequency selection circuit and Department of Radiation and feed pin define the signal path of the 2nd frequency bandwidth (low frequency bandwidth); Feed pin, Department of Radiation, ground connection pin, frequency selection circuit and ground form the path of the first frequency bandwidth (high frequency bandwidth) of tours antenna, thus meet the demand of the multiband work of the antenna of electronics. It is noted that multiple additional ground connection pins and corresponding additional frequency selection circuit can also be arranged in antennas, to provide more communication band.
As the design example of each pin, it is possible to first location to be arranged on the angle place of the metal edge frame of tetragon, the second position and the 3rd position are arranged on described metal edge frame same on. Described in this, a position, the second position and the 3rd position can be determined according to the girth of described metal edge frame, width and specific conductivity.
In the above-mentioned method for the formation of antenna of the embodiment of the present invention, by as the radiation part of antenna and utilizing frequency selection circuit to obtain desired frequency bandwidth the metal edge frame of electronics so that electronics has the performance of antenna that ensure that electronics of good metal-like simultaneously. By arranging additional ground connection pin and additional frequency selection circuit, make antenna have multiple communications band, meet the demand of the multiband work of the antenna of electronics. By utilizing bandwidth of an antenna matching network to connect feed pin and the signal that communicates, the bandwidth of operation of each frequency range of exhibition Wide antenna, and overcome the problem that the performance of antenna caused owing to holding seriously declines.
The technician of art can be well understood to, for convenience and simplicity of description, and the specific implementation of step involved in the method for the formation of antenna of foregoing description, it is possible to reference to the diagram in aforementioned means embodiment and operation, do not repeat them here. In addition, the part steps in aforesaid method embodiment can combine again, or can perform order before changing section step.
The above; it is only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, any it is familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace, all should be encompassed within protection scope of the present invention. Therefore, protection scope of the present invention should described be as the criterion with the protection domain of claim.
Claims (14)
1. a tours antenna, for having the electronics of metal edge frame, described tours antenna comprises:
Department of Radiation, utilizes the metal edge frame of described electronics to be formed, this metal edge frame be electronics shell in can be formed annular metallic region;
Feed pin, is positioned in the first location of described Department of Radiation, for being fed to communication signal;
Ground connection pin, is positioned in the second position of described Department of Radiation, for being connected to ground by frequency selection circuit.
2. antenna according to claim 1, wherein, described feed pin is connected to communication signal transceivers by bandwidth of an antenna matching network, thus opens up the frequency bandwidth of wide described antenna.
3. antenna according to claim 1, wherein, described first location and the second position are that the girth according to described metal edge frame, width and specific conductivity are determined.
4. antenna according to claim 1, also comprises:
Additional ground connection pin, is positioned on the 3rd position of described Department of Radiation, for being connected to ground by additional frequency selection circuit,
Wherein, described frequency selection circuit is for transmitting the communication signal of the first frequency bandwidth, and described additional frequency selection circuit is for transmitting the communication signal of the 2nd frequency bandwidth, and the frequency in described first frequency bandwidth is higher than the frequency in described 2nd frequency bandwidth.
5. antenna according to claim 4, wherein, described metal edge frame is tetragon, and described first location is positioned at the angle place of described metal edge frame, the second position and the 3rd position be positioned at described metal edge frame same on.
6. antenna according to claim 1, wherein, what be connected with described ground connection pin is the ground of the circuit main board of described electronics describedly.
7. antenna according to claim 1, wherein, described metal edge frame is all-metal frame.
8., for the formation of a method for tours antenna, for having the electronics of metal edge frame, described method comprises:
Utilize the metal edge frame of described electronics to form Department of Radiation, this metal edge frame be electronics shell in can be formed annular metallic region;
The first location of described Department of Radiation forms feed pin, to be fed to communication signal;
The second position of described Department of Radiation is formed ground connection pin; And
Described ground connection pin is connected to ground by frequency selection circuit.
9. method according to claim 8, wherein, described feed pin is connected to communication signal transceivers by bandwidth of an antenna matching network, thus opens up the frequency bandwidth of wide described antenna.
10. method according to claim 8, wherein, described first location and the second position are that the girth according to described metal edge frame, width and specific conductivity are determined.
11. methods according to claim 8, also comprise:
3rd position of described Department of Radiation is formed additional ground connection pin; With
Described additional ground connection pin is connected to ground by additional frequency selection circuit,
Wherein, described frequency selection circuit is for transmitting the communication signal of the first frequency bandwidth, and described additional frequency selection circuit is for transmitting the communication signal of the 2nd frequency bandwidth, and the frequency in described first frequency bandwidth is higher than the frequency in described 2nd frequency bandwidth.
12. methods according to claim 11, wherein, described metal edge frame is tetragon, and described first location is positioned at the angle place of described metal edge frame, the second position and the 3rd position be positioned at described metal edge frame same on.
13. methods according to claim 8, wherein, what be connected with described ground connection pin is the ground of the circuit main board of described electronics describedly.
14. methods according to claim 8, wherein, described metal edge frame is all-metal frame.
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| CN104900984B (en) * | 2014-03-07 | 2018-08-10 | 联想(北京)有限公司 | Antenna assembly, Wearable and the method for antenna assembly to be arranged |
| CN105337040B (en) * | 2014-07-07 | 2019-03-08 | 联想(北京)有限公司 | Antenna assembly and electronic equipment |
| EP3157098A4 (en) * | 2014-07-31 | 2017-06-28 | Huawei Technologies Co., Ltd. | Mobile terminal |
| CN104377444B (en) * | 2014-11-27 | 2018-09-07 | 上海安费诺永亿通讯电子有限公司 | A kind of mobile terminal broad-band antenna carrying out impedance matching using tunable capacitor |
| TW201619755A (en) * | 2014-11-28 | 2016-06-01 | 廣達電腦股份有限公司 | Wearable device |
| CN105281026A (en) * | 2014-12-25 | 2016-01-27 | 维沃移动通信有限公司 | All-in-one antenna and mobile terminal |
| CN105514574B (en) * | 2015-12-30 | 2019-08-27 | 联想(北京)有限公司 | Portable electronic device and its manufacturing method |
| CN108428995B (en) | 2018-03-30 | 2022-07-26 | 联想(北京)有限公司 | Electronic device |
| CN110444893B (en) * | 2019-08-16 | 2020-05-26 | 歌尔科技有限公司 | Monopole antenna bandwidth adjusting method and system |
| CN113078451B (en) * | 2021-03-29 | 2022-07-26 | 联想(北京)有限公司 | Antenna system and electronic equipment |
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| CN101466214A (en) * | 2007-12-20 | 2009-06-24 | 神基科技股份有限公司 | Case structure of electronic device |
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| CN101466214A (en) * | 2007-12-20 | 2009-06-24 | 神基科技股份有限公司 | Case structure of electronic device |
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