CN103682565A - Antenna and antenna forming method - Google Patents
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- CN103682565A CN103682565A CN201210345889.8A CN201210345889A CN103682565A CN 103682565 A CN103682565 A CN 103682565A CN 201210345889 A CN201210345889 A CN 201210345889A CN 103682565 A CN103682565 A CN 103682565A
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Abstract
An antenna and an antenna forming method are provided and applied to electronic equipment. A housing of the electronic equipment comprises a first area. The antenna comprises a radiation part formed by the first area on the housing, a feed pin positioned on a first position of the radiation part and used for feeding a signal, a grounding pin positioned on a second position of the radiation part, and a frequency selecting circuit connected to the grounding pin and the ground and used for transmitting a signal with a first frequency bandwidth. In the technical scheme of the antenna and the antenna forming method in the embodiment of the invention, the first area in the housing of the electronic equipment is taken as the radiation part of the antenna, and the frequency selecting circuit is used to acquire the expected frequency band, so that the requirement of appearance design of the electronic equipment is met under the condition that the performance of the antenna of the electronic equipment is guaranteed.
Description
Technical field
The present invention relates to the communications field, more specifically, relate to a kind of antenna and the method that is used to form antenna.
Background technology
Along with the fast development of mobile communication technology, various types of electronic equipments with communication function have been there are, such as computer, personal digital assistant, intelligent communications terminal etc.Described electronic equipment has antenna with transmission information and data etc.In addition, the appearance design such as metal-like of described electronic equipment is also paid close attention to by user.When therefore, expectation electronic equipment has good antenna performance, also there is good appearance design.
The Antenna Design of existing electronic equipment adopts conventional planar inverted-F antenna (PIFA conventionally, Planar Inverted F Antenna) or unipole antenna carry out built-in aerial design, described built-in aerial is easily subject to the impact of the metal shell of electronic equipment, causes the deterioration of antenna performance.For this reason, a kind of existing solution is the metal shell of electronic equipment to be done to part empty processing, to meet the radiance of antenna.Yet the aesthetic feeling of processing the appearance design reduced electronic equipment is emptied in this part, and bulk metal texture and its structural design intensity of electronic equipment have been reduced.
In order to obtain good appearance design, portions of electronics equipment (for example notebook) has adopted the technical scheme of all-metal Antenna Design.This scheme has been utilized dipole antenna principle, between each metal part of the shell of notebook, builds dipole antenna, and realizes wavelength and impedance matching by adjusting the position of signal feed point, to communicate.In this technical scheme, owing to utilizing each metal part of shell to build dipole antenna, so the relative position of each metal part of shell is important.Take notebook as example, and dipole antenna wherein must could start communication function at notebook under normal operating conditions, when notebook cannot communicate during in closing lid standby.
Therefore, the existing Antenna Design of electronic equipment is difficult to take into account the appearance design demand of antenna performance and electronic equipment.
Summary of the invention
The embodiment of the present invention provides a kind of antenna and has been used to form the method for antenna, and it can be in the situation that guarantee that the antenna performance of electronic equipment meets the appearance design demand of electronic equipment.
On the one hand, provide a kind of antenna, be applied to electronic equipment, the shell of this electronic equipment comprises first area, and described antenna comprises: Department of Radiation, utilizes the first area on described shell to form; Feed pin, is positioned in the primary importance of described Department of Radiation, for feed signal; Grounding pin, is positioned in the second place of described Department of Radiation; Frequency selection circuit, is connected to described grounding pin, and is connected to ground, for transmitting the signal of first frequency bandwidth.
Preferably, described feed pin is connected to signal transceiver by antenna broadband matching network, thus the frequency bandwidth of antenna described in broadening.
Preferably, described primary importance and the second place are that length, width and conductivity according to described first area determined.
Preferably, described antenna also comprises: additional grounding pin, is positioned on the 3rd position of described Department of Radiation; With additional frequency selection circuit, be connected to described additional grounding pin, and be connected to ground, for transmitting the signal of communication of second frequency bandwidth.The frequency of described second frequency bandwidth is higher than the frequency of described first frequency bandwidth.
Preferably, described first area is quadrangular plan district, described primary importance is positioned at first side and the crossing place, angle of Second Edge in described quadrangular plan district, the length of this first side is greater than the length of described Second Edge, the described second place is positioned on described first side, and described the 3rd position is positioned on described Second Edge.
Preferably, described electronic equipment is mobile communication terminal, and described first area is the all-metal back cover of this mobile communication terminal.
On the other hand, provide a kind of method that is used to form antenna, be applied to electronic equipment, the shell of this electronic equipment comprises first area, and described method comprises: utilize the first area on described shell to form Department of Radiation; In the primary importance of described Department of Radiation, form feed pin, with feed signal; In the second place of described Department of Radiation, form grounding pin; And described grounding pin is connected to ground by frequency selection circuit, this frequency selection circuit is for transmitting the signal of first frequency bandwidth.
At the above-mentioned antenna of the embodiment of the present invention be used to form in the technical scheme of method of antenna, by the radiant section using the first area in the shell of electronic equipment as antenna and utilize frequency selection circuit to obtain desired frequency band, can be in the situation that guarantee that the antenna performance of electronic equipment meets the appearance design demand of electronic equipment.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 illustrates according to the structure of the antenna of the embodiment of the present invention;
Fig. 2 illustrates according to the equivalent circuit diagram of the beamwidth of antenna matching network in the embodiment of the present invention;
Fig. 3 illustrates the structure of antenna according to another embodiment of the present invention;
Fig. 4 illustrates according to the equivalent circuit diagram of the beamwidth of antenna matching network in another embodiment of the present invention;
Fig. 5 is according to the flow chart of the method that is used to form antenna of the embodiment 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, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.
According in the antenna of the embodiment of the present invention, utilize the specific region on the shell of electronic equipment to carry out radiating antenna signal.This specific region can be for example the part in the metal shell of electronic equipment, or other conductor region in its shell.Described electronic equipment is such as being computer, personal digital assistant, mobile communication terminal etc.In the situation that is notebook at described electronic equipment, can utilize the specific region of the shell on the body at display screen place of notebook to form described radiation area.In the situation that is mobile communication terminal at described electronic equipment, can utilize the specific region in the back cover of mobile communication terminal to form described radiation area.That is to say, according to the difference of the outward appearance of electronic equipment, can select appropriate area on its shell as radiation area.
Fig. 1 illustrates according to the structure of the antenna 100 of the embodiment of the present invention.
Described in this, antenna 100 is applied to above-mentioned electronic equipment, and the shell of this electronic equipment comprises first area.Described antenna 100 comprises: Department of Radiation 110, utilizes the first area on described shell to form; Feed pin 120, the primary importance P1 that is positioned at described Department of Radiation is upper, for feed signal; Grounding pin 130, is positioned on the second place P2 of described Department of Radiation; Frequency selection circuit 140, is connected to described grounding pin 130, and is connected to ground, for transmitting the signal of first frequency bandwidth.
Described Department of Radiation 110 is to utilize the first area on the shell of described electronic equipment to form, the signal being fed to by feed pin 120 for radiation.Because this Department of Radiation 110 is to utilize the first area on the shell of electronic equipment to form, so this Department of Radiation is not subject to blocking of shell and affects.
This first area can be metal area or any other can radiation signal region.When described electronic equipment is mobile communication terminal, described first area can be the all-metal back cover of this mobile communication terminal; When described electronic equipment is notebook, described first area can be positioned on the shell opposing with the display screen of notebook.In addition,, according to the appearance design needs of electronic equipment, can suitably select the shape of described first area and select suitable material (for example metal) to form described first area, thereby meet outward appearance and the Structural Design Requirement of electronic equipment.The factors such as geometry, conductivity that depend on described Department of Radiation 110, this Department of Radiation 110 being formed by first area can form a plurality of resonance conventionally, thus radiation and receive the signal of a plurality of frequency ranges.This Department of Radiation 110 cooperates with the frequency selection circuit of describing below, thereby from described a plurality of frequency ranges, selects the communications band of expectation.
According to the antenna of the embodiment of the present invention, the adverse effect of the shell of electronic equipment is become to favourable antenna radiation performance, there is the performances such as good antenna radiation efficiency and make electronic equipment there is good appearance design.
Described feed pin 120 is positioned on the primary importance P1 of described Department of Radiation 110, for feed signal.In concrete practice, this feed pin 120 can be the port of suitably drawing from described primary importance P1.In the process of radiation signal, described feed pin 120 for example, is fed to described Department of Radiation 110 to radiate by the signal of the signal source from electronic equipment (radio frequency source).In receiving the process of signal, the signal receiving by described Department of Radiation 110 flows to the receiver of described electronic equipment via this feed pin 120.
In addition, described feed pin 120 can be connected to signal transceiver (or above-mentioned radio frequency source and receiver) by antenna broadband matching network, thus the frequency bandwidth of antenna described in broadening.In practice, can select various types of antenna broadband matching networks according to frequency bandwidth of antenna etc.Described antenna broadband matching network can be equivalent to the equivalent electric circuit consisting of inductor and capacitor conventionally.Fig. 2 illustrates according to the equivalent circuit diagram of the beamwidth of antenna matching network in the embodiment of the present invention.In Fig. 2, inductance component L21, capacitor element C21, inductance component L22 can be used for the impedance matching optimization of the special frequency channel of antenna, to improve bandwidth, notch depth and the antenna radiation efficiency etc. of the working frequency range of antenna.The equivalent circuit diagram that is noted that the beamwidth of antenna matching network in Fig. 2 is only schematically, according to the isoparametric change of the frequency bandwidth of antenna, can adopt the antenna broadband matching network with other equivalent electric circuit.
Described grounding pin 130 is positioned on the second place P2 of described Department of Radiation 110, and is connected to ground via described frequency selection circuit 140.Described frequency selection circuit 140 is for transmitting the signal of first frequency bandwidth.As example, described frequency selection circuit 140 can be band pass filter etc.As previously mentioned, this Department of Radiation 110 being formed by first area conventionally can radiation and the signal that receives a plurality of frequency ranges.Yet, at the signal of described a plurality of frequency ranges, via grounding pin 130, frequency selection circuit 140, flow in the process on ground, due to the selecting frequency characteristic of frequency selection circuit 140, only there is the signal of band segment can flow to ground and form loop.Therefore, this frequency selection circuit 140 cooperates with Department of Radiation 110, thereby can transmit the signal in desired first frequency bandwidth via antenna.Because the frequency bandwidth of this frequency selection circuit 140 can be selected neatly, so can regulate the frequency bandwidth of antenna by changing the selecting frequency characteristic of frequency selection circuit 140, reduced thus design difficulty, and increased the scope of application of antenna.In addition, described primary importance P1 and second place P2 can determine according to the length of described first area, width and conductivity.In concrete practice, can, in conjunction with the appearance design of working band and the electronic equipment of antenna, optimize the primary importance of described feed pin 120 and the second place P2 of grounding pin 130.
In the above-mentioned antenna of the embodiment of the present invention, by the radiant section using the first area in the shell of electronic equipment as antenna and utilize frequency selection circuit to obtain desired frequency band, can be in the situation that guarantee that the antenna performance of electronic equipment meets the appearance design demand of electronic equipment.
In addition, because Department of Radiation conventionally can radiation and receive the signal of a plurality of frequency ranges, so can make antenna can transmit the signal of a plurality of frequency bandwidths by a plurality of grounding pins and frequency selection circuit are set.Therefore, can be according to the following variant of the outward appearance of the working band of antenna and electronic equipment and the above-mentioned antenna of structural design.Below in conjunction with Fig. 3 and Fig. 4, describe.
Fig. 3 illustrates the structure of antenna 300 according to another embodiment of the present invention.In this Fig. 3, Department of Radiation 310, feed pin 320, grounding pin 330 and frequency selection circuit 340 and the Department of Radiation 110 shown in Fig. 1, feed pin 120, grounding pin 130 are identical with frequency selection circuit 140.Here no longer describe in detail.
A difference is: this antenna 300 also comprises additional grounding pin 350, be positioned at P3 on the 3rd position of described Department of Radiation, it is connected with ground via additional frequency selection circuit 360, described additional frequency selection circuit 360 is for transmitting the signal of second frequency bandwidth, the frequency in the signal of the first frequency bandwidth that the frequency in this second frequency bandwidth transmits higher than frequency selection circuit 340.
Take electronic equipment as mobile communication terminal be example, the quadrangular plan district in the shell that described Department of Radiation 310 can be this mobile communication terminal (being for example the all-metal back cover of mobile communication terminal).As shown in Figure 3, described primary importance P1 can be positioned at the place, angle of the lower left of described rectangular all-metal back cover, here this feed pin is arranged in the use procedure of mobile communication terminal to the position away from human body, thereby reduces the impact of aerial radiation on human body; Second place P2 can be positioned on the long limit being connected with the angle at primary importance P1 place; The 3rd position P3 can be positioned on the minor face being connected with the angle at primary importance P1 place.Described in this, a position P1, second place P2 and the 3rd position P3 can determine according to the conductivity of length, width and the metal of described rectangle metal back cover.
Another difference is: different with the beamwidth of antenna matching network of Fig. 2 for described feed pin 320 being connected to the beamwidth of antenna matching network 370 of signal transceiver.This is because the beamwidth of antenna matching network (equivalent circuit diagram as shown in Figure 1) using in the antenna 100 of Fig. 1 is only for the above-mentioned first frequency bandwidth of broadening; And described beamwidth of antenna matching network 370 is wanted first frequency bandwidth (low frequency bandwidth) and these two frequency bands of second frequency bandwidth (high frequency bandwidth) of the antenna in broadening Fig. 3.Therefore, when user holds the shell of electronic equipment and while causing the operating frequency of antenna that skew occurs, due to the frequency bandwidth of antenna of having utilized beamwidth of antenna matching network 370 broadenings, operating frequency after skew is still in the frequency bandwidth in antenna, thereby avoided the antenna performance causing due to frequency shift (FS) to decline.
Fig. 4 illustrates according to the equivalent circuit diagram of the beamwidth of antenna matching network 370 in another embodiment of the present invention.The equivalent circuit diagram of the beamwidth of antenna matching network 370 shown in Fig. 4 is the equivalent circuit diagram of M type antenna matching network.In Fig. 4, inductance component L41, capacitor element C41, inductance component L42 can be used for the impedance matching optimization of the first frequency bandwidth (low frequency frequency range) of antenna 300, with the beamwidth of antenna, notch depth and the antenna radiation efficiency of broadening low frequency frequency range; Inductance component L43 and capacitor element C42 are for carrying out the impedance matching optimization of the second frequency bandwidth (high-frequency band) of antenna 300, with the beamwidth of antenna, notch depth and the antenna radiation efficiency of broadening high-frequency band.
When receiving signal, signal enters beamwidth of antenna matching network 370 by the Department of Radiation 310 of antenna 300, and then entering signal transceiver carries out reception & disposal; When transmitted signal, by signal transceiver, transfer signals to beamwidth of antenna matching network 370, and then radiate by Department of Radiation 310, thereby realized the normal transmitting-receiving of signal.Utilize described beamwidth of antenna matching network 370 to realize the broadening object of the frequency bandwidth of antenna, the impact of the antenna frequency deviation under the actual service condition of reduction user on antenna performance, the optimum signal of realizing antenna receives and transmitting.
The equivalent circuit diagram that is noted that the antenna broadband matching network in Fig. 4 is only schematic.In concrete application, can select to have according to the number of the frequency band of antenna 300 and frequency bandwidth the beamwidth of antenna matching network of other equivalent electric circuit.
The course of work of the antenna 300 shown in Fig. 3 is described below.In the time will transmitting the signal of first frequency bandwidth (low frequency bandwidth), grounding pin 330 by frequency selection circuit 340 with communicate, and additional frequency selection circuit 360 makes to add grounding pin 350 and ground isolates, thereby do not transmit the signal of second frequency bandwidth (high frequency bandwidth).Now, feed pin 320, Department of Radiation 310, grounding pin 330, frequency selection circuit 340 and landform circularize the path of the first frequency bandwidth (low frequency bandwidth) of antenna.In the time will transmitting the signal of second frequency bandwidth (high frequency bandwidth), additional grounding pin 350 by additional frequency selection circuit 360 with communicate, and frequency selection circuit 340 makes grounding pin 330 and ground isolation, thereby do not transmit the signal of first frequency bandwidth (low frequency bandwidth).Now, feed pin 320, Department of Radiation 310, additional grounding pin 350, additional frequency selection circuit 360 and landform circularize the path of the second frequency bandwidth (high frequency bandwidth) of antenna.Like this, antenna 300 has had first frequency bandwidth (low frequency bandwidth) and these two working bands of second frequency bandwidth (high frequency bandwidth), has met the demand of multiband work of the antenna of electronic equipment.Be noted that additional grounding pin and corresponding additional frequency selection circuit that other can also be set in antenna, so that more communication band to be provided.
Shown in Fig. 3 according in antenna 300 of the present invention, utilize first area in the shell of electronic equipment as aerial radiation body, in conjunction with the position selection of antenna feed pin and additional feed pin and grounding pin and additional feed pin and the optimal design of frequency selection circuit, can be in the situation that guarantee that the performance of the multiband antenna of electronic equipment meets the appearance design demand of electronic equipment.In addition, further combined with antenna broadband matching network, carry out the bandwidth of operation of each frequency band of broadening antenna, and overcome due to the problem of holding the antenna performance degradation causing.
Fig. 5 is according to the flow chart of the method that is used to form antenna 500 of the embodiment of the present invention.This method 500 that is used to form antenna is applied to electronic equipment, and the shell of this electronic equipment comprises first area.
Described method 500 comprises: utilize the first area on described shell to form Department of Radiation (S510); In the primary importance of described Department of Radiation, form feed pin, with feed signal (S520); In the second place of described Department of Radiation, form grounding pin (S530); And described grounding pin is connected to ground by frequency selection circuit, this frequency selection circuit is for transmitting the signal (S540) of first frequency bandwidth.
In S510, utilize the first area on the shell of described electronic equipment to form Department of Radiation, the signal that this Department of Radiation is fed to by feed pin 120 for radiation also receives signal from outside.This first area can be metal area in shell or any other can radiation signal region.When described electronic equipment is mobile communication terminal, described first area can be the all-metal back cover of this mobile communication terminal; When described electronic equipment is notebook, described first area can be positioned on the shell opposing with the display screen of notebook.In addition,, according to the appearance design needs of electronic equipment, can suitably select the shape of described first area and select suitable material (for example metal) to form described first area, thereby meet outward appearance and the Structural Design Requirement of electronic equipment.The factors such as geometry, conductivity that depend on described Department of Radiation 110, this Department of Radiation being formed by first area can form a plurality of resonance conventionally, thus radiation and receive the signal of a plurality of frequency ranges.This Department of Radiation cooperates with the frequency selection circuit in S540, thereby from described a plurality of frequency ranges, selects the communications band of expectation.Because this Department of Radiation is to utilize the first area on the shell of electronic equipment to form, so this Department of Radiation is not subject to blocking of shell and affects.
In S520, in the primary importance of described Department of Radiation, form feed pin, with feed signal.In the process of radiation signal, described feed pin for example, is fed to described Department of Radiation to radiate by the signal of the signal source from electronic equipment (radio frequency source).In receiving the process of signal, the signal receiving by described Department of Radiation 110 flows to the receiver of described electronic equipment via this feed pin.
In addition, substitute described feed pin and be directly connected to signal transceiver, described feed pin can be connected to signal transceiver (or being connected to above-mentioned radio frequency source and receiver) by antenna broadband matching network, thus the frequency bandwidth of antenna described in broadening.In practice, can select various types of antenna broadband matching networks according to frequency bandwidth of antenna etc.The equivalent electric circuit of described antenna broadband matching network can be for example the equivalent circuit diagram shown in Fig. 2.In practice, can regulate at least one in the inductance value of each inductor in Fig. 2 and the capacitance of capacitor, to change the impedance matching property of described antenna.In addition, can also adopt there is other equivalent electric circuit antenna broadband matching network to adapt to the antenna with different qualities.
In S530, in the second place of described Department of Radiation, form grounding pin.Primary importance in the described second place and S520 can be determined according to the length of first area, width and conductivity.In concrete application, can, in conjunction with the appearance design of working band and the electronic equipment of antenna, optimize described primary importance and the second place are set.
In S540, described grounding pin is connected to ground by frequency selection circuit, this frequency selection circuit is for transmitting the signal of first frequency bandwidth.Described frequency selection circuit is such as thinking band pass filter etc.As previously mentioned, this Department of Radiation being formed by first area conventionally can radiation and is received the signal of a plurality of frequency ranges, due to the selecting frequency characteristic of frequency selection circuit, only has the signal of band segment can flow to ground and form loop.Therefore, this frequency selection circuit cooperates with the Department of Radiation in S510, thereby can transmit the signal in desired first frequency bandwidth via antenna.Because the frequency bandwidth of this frequency selection circuit can be selected neatly, so can regulate the frequency bandwidth of antenna by changing the selecting frequency characteristic of frequency selection circuit, reduced thus design difficulty, and increased the scope of application of antenna.
The structure of the antenna that utilizes the method that is used to form antenna shown in Fig. 5 and form can be referring to the diagram of Fig. 1.
The embodiment of the present invention above-mentioned, be used to form in the method for antenna, by the radiant section using the first area in the shell of electronic equipment as antenna and utilize frequency selection circuit to obtain desired frequency band, can be in the situation that guarantee that the antenna performance of electronic equipment meets the appearance design demand of electronic equipment.
In addition, in order to increase the frequency bandwidth of antenna or to realize the antenna of multiband, described in be used to form antenna method 500 can also comprise: on the 3rd position of described Department of Radiation, form additional grounding pin; With described additional grounding pin is connected to ground by additional frequency selection circuit, this additional frequency selection circuit is for transmitting the signal of communication of second frequency bandwidth, wherein, the frequency of described second frequency bandwidth is higher than the frequency of described first frequency bandwidth.The antenna so forming can be referring to the diagram of Fig. 3.
Described additional grounding pin, additional frequency selection circuit and Department of Radiation and feed pin have formed the signal path of second frequency bandwidth (high frequency bandwidth); Feed pin, Department of Radiation, grounding pin, frequency selection circuit and landform circularize the path of the first frequency bandwidth (low frequency bandwidth) of antenna, thereby have met the demand of multiband work of the antenna of electronic equipment.Be noted that a plurality of additional grounding pins and corresponding additional frequency selection circuit can also be set in antenna, so that more communication band to be provided.
Design example as each pin, take described first area describes as quadrangular plan district as example, described primary importance can be positioned at first side (long limit) and the crossing place, angle of Second Edge (minor face) in described quadrangular plan district, the described second place is positioned on described first side, and described the 3rd position is positioned on described Second Edge.Described in this, a position, the second place and the 3rd position can be determined according to the length of described first area, width and conductivity.Position about each pin can be referring to the diagram of Fig. 3.
If feed pin is connected to signal transceiver by antenna broadband matching network, with the increase of described additional grounding pin and additional frequency selection circuit accordingly, the frequency bandwidth that suitable antenna broadband matching network (as shown in Figure 4) carrys out broadening antenna is set.Like this, when the surrounding environment influence due to electronic equipment causes the operating frequency of antenna that skew occurs, due to the frequency bandwidth of antenna of having utilized beamwidth of antenna matching network broadening, so the operating frequency after skew is still in the frequency bandwidth in antenna, thereby avoided the antenna performance causing due to frequency shift (FS) to decline.The equivalent circuit diagram that is noted that the antenna broadband matching network in Fig. 4 is only schematic.In concrete application, can select to have according to the difference of antenna frequencies bandwidth the beamwidth of antenna matching network of other equivalent electric circuit.
As can be seen here, the embodiment of the present invention above-mentioned, be used to form in the method for antenna, by the radiant section using the first area in the shell of electronic equipment as antenna and utilize frequency selection circuit to obtain desired frequency band, can be in the situation that guarantee that the antenna performance of electronic equipment meets the appearance design demand of electronic equipment.By additional grounding pin and additional frequency selection circuit are set, make antenna there are two or more communications bands, met the demand of multiband work of the antenna of electronic equipment.By utilizing beamwidth of antenna matching network to connect feed pin and signal, the bandwidth of operation of each frequency range of broadening antenna, and overcome due to the problem of holding the antenna performance degradation causing.
Those skilled in the art can be well understood to, and for convenience and simplicity of description, the specific implementation of related step in the method that is used to form antenna of foregoing description, can, with reference to the diagram in aforementioned means embodiment and operation, not repeat them here.In addition, the part steps in said method embodiment can reconfigure, and maybe can change the execution sequence of part steps.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited to this, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; can expect easily changing or replacing, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion by the described protection range with claim.
Claims (12)
1. an antenna, is applied to electronic equipment, and the shell of this electronic equipment comprises first area, and described antenna comprises:
Department of Radiation, utilizes the first area on described shell to form;
Feed pin, is positioned in the primary importance of described Department of Radiation, for feed signal;
Grounding pin, is positioned in the second place of described Department of Radiation;
Frequency selection circuit, is connected to described grounding pin, and is connected to ground, for transmitting the signal of first frequency bandwidth.
2. according to the antenna of claim 1, wherein, described feed pin is connected to signal transceiver by antenna broadband matching network, thus the frequency bandwidth of antenna described in broadening.
3. according to the antenna of claim 1, wherein, described primary importance and the second place are that length, width and the conductivity according to described first area determined.
4. according to the antenna of claim 1, also comprise:
Additional grounding pin, is positioned on the 3rd position of described Department of Radiation; With
Additional frequency selection circuit, is connected to described additional grounding pin, and is connected to ground, for transmitting the signal of communication of second frequency bandwidth,
Wherein, the frequency of described second frequency bandwidth is higher than the frequency of described first frequency bandwidth.
5. according to the antenna of claim 4, wherein, described first area is quadrangular plan district, described primary importance is positioned at first side and the crossing place, angle of Second Edge in described quadrangular plan district, the length of this first side is greater than the length of described Second Edge, the described second place is positioned on described first side, and described the 3rd position is positioned on described Second Edge.
6. according to the antenna of claim 1, wherein, described electronic equipment is mobile communication terminal, and described first area is the all-metal back cover of this mobile communication terminal.
7. a method that is used to form antenna, is applied to electronic equipment, and the shell of this electronic equipment comprises first area, and described method comprises:
Utilize the first area on described shell to form Department of Radiation;
In the primary importance of described Department of Radiation, form feed pin, with feed signal;
In the second place of described Department of Radiation, form grounding pin; And
Described grounding pin is connected to ground by frequency selection circuit, and this frequency selection circuit is for transmitting the signal of first frequency bandwidth.
8. according to the method for claim 7, wherein, described feed pin is connected to signal transceiver by antenna broadband matching network, thus the frequency bandwidth of antenna described in broadening.
9. according to the method for claim 7, wherein, described primary importance and the second place are that length, width and the conductivity according to described first area determined.
10. according to the method for claim 7, also comprise:
On the 3rd position of described Department of Radiation, form additional grounding pin; With
Described additional grounding pin is connected to ground by additional frequency selection circuit, and this additional frequency selection circuit is used for transmitting the signal of communication of second frequency bandwidth,
Wherein, the frequency of described second frequency bandwidth is higher than the frequency of described first frequency bandwidth.
11. according to the method for claim 10, wherein, described first area is quadrangular plan district, described primary importance is positioned at first side and the crossing place, angle of Second Edge in described quadrangular plan district, the length of this first side is greater than the length of described Second Edge, the described second place is positioned on described first side, and described the 3rd position is positioned on described Second Edge.
12. according to the method for claim 7, and wherein, described electronic equipment is mobile communication terminal, and described first area is the all-metal back cover of this mobile communication terminal.
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| CN201210345889.8A CN103682565A (en) | 2012-09-17 | 2012-09-17 | Antenna and antenna forming method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN105487599A (en) * | 2014-09-17 | 2016-04-13 | 联想(北京)有限公司 | Information processing method and electronic equipment |
| CN109075444A (en) * | 2017-01-24 | 2018-12-21 | 北京小米移动软件有限公司 | Antenna module and electronic equipment |
| CN114846696A (en) * | 2022-03-28 | 2022-08-02 | 安徽华米信息科技有限公司 | Electronic device |
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| EP1052722A2 (en) * | 1999-05-11 | 2000-11-15 | Nokia Mobile Phones Ltd. | Antenna |
| CN1714471A (en) * | 2002-11-18 | 2005-12-28 | 株式会社友华 | Antenna for a plurality of bands |
| CN1519980A (en) * | 2003-01-15 | 2004-08-11 | �ƶ��������LK����˾ | antenna unit |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105487599A (en) * | 2014-09-17 | 2016-04-13 | 联想(北京)有限公司 | Information processing method and electronic equipment |
| 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 |
| CN109075444A (en) * | 2017-01-24 | 2018-12-21 | 北京小米移动软件有限公司 | Antenna module and electronic equipment |
| CN114846696A (en) * | 2022-03-28 | 2022-08-02 | 安徽华米信息科技有限公司 | Electronic device |
| WO2023184081A1 (en) * | 2022-03-28 | 2023-10-05 | 安徽华米信息科技有限公司 | Electronic device |
| CN114846696B (en) * | 2022-03-28 | 2024-07-05 | 安徽华米健康科技有限公司 | Electronic equipment |
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