CN101335375A - Three-frequency antenna and electronic apparatus applying the same - Google Patents

Three-frequency antenna and electronic apparatus applying the same Download PDF

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Publication number
CN101335375A
CN101335375A CNA2007101262618A CN200710126261A CN101335375A CN 101335375 A CN101335375 A CN 101335375A CN A2007101262618 A CNA2007101262618 A CN A2007101262618A CN 200710126261 A CN200710126261 A CN 200710126261A CN 101335375 A CN101335375 A CN 101335375A
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China
Prior art keywords
metalwork
ground connection
frequency
connection wall
frequency antenna
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CNA2007101262618A
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CN101335375B (en
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王志铭
邱弋玲
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Wistron Neweb Corp
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Wistron Neweb Corp
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Abstract

The invention relates to a three-frequency aerial, which is applied to an electronic device with a radio communication function. The three-frequency aerial of the invention comprises a first radiator, a second radiator and a signal feed-in source. A double-frequency aerial of high frequency and low frequency is constituted via the first radiator; a medium-frequency-band aerial is constituted via the combination of the first radiator and the second radiator and a balance-to-unbalance transformer is provided for the use of the medium-frequency-band aerial, thus leading the medium-frequency-band aerial to have effect of wide frequency.

Description

The electronic installation of three-frequency antenna and application thereof
Technical field
The present invention is about a kind of antenna, particularly a kind of three-frequency antenna that can corresponding different frequency ranges, and having increases the Antenna Design that low frequency bandwidth and corresponding different IF frequency range use.
Background technology
Along with the enhancement day by day of wireless communication technology, all kinds of single-band antennas that in the past were applied in the communication system apply to use, and the multifrequency antenna that can receive the different frequency bands signal becomes the main flow of technical development gradually.Multifrequency antenna generally is applied to have among the portable electronic devices of radio communication function, for example notebook computer, mobile phone or PDA etc., because this type of electronic installation all develops towards compact direction, make and in multifrequency antenna design itself, certainly will also will dwindle its volume as far as possible.But in improvement design reduction antenna volume, often also reduced the receiving efficiency of antenna, caused the reception frequency range deficiency of multifrequency antenna, therefore certainly will between the volume of multifrequency antenna and usefulness, make trade-offs at different frequency range.In addition, generally have the multifrequency antenna of medium-frequency band receiving function,, and cause medium-frequency band can't reach the requirement of wideband also easily because of the restriction in the design.
Summary of the invention
Main purpose of the present invention is to provide a kind of three-frequency antenna, and employed frequency range scope in the time of can increasing low frequency can receive high frequency and medium-frequency band signal simultaneously.
Another object of the present invention is to provide a kind of three-frequency antenna, make the intermediate frequency antenna can reach the effect of wideband with balun (balun) function.
For reaching above-mentioned purpose, three-frequency antenna of the present invention comprises first radiant body, second radiant body and signal feed-in source.First radiant body comprises first metalwork, first radiating element, first connector and the first ground connection wall, first metalwork comprises load point, first metalwork is connected with first radiating element, and first radiating element extends along a first direction in fact, one end of first connector is connected with first metalwork, and the other end then is connected with the first ground connection wall.First radiating element comprises second metalwork, the 3rd metalwork and the 4th metalwork.Utilize first metalwork, second metalwork and the 3rd metalwork to constitute the dual-band antenna of high frequency and low-frequency band.Second radiant body and first radiant body are overlapped and are kept a suitable spacing that both are not contacted with each other, second radiant body comprises second radiating element, second connector, ground connection connector and the second ground connection wall, second radiating element comprises the 5th metalwork and the 6th metalwork, and second radiating element extends along a second direction.Constitute tool medium-frequency band antenna by first metalwork, the 4th metalwork, the 5th metalwork and the 6th metalwork combination with one another.
For reaching another above-mentioned purpose, three-frequency antenna of the present invention also comprises one the 3rd ground connection wall, and an end of the 3rd ground connection wall is connected with a metal base is vertical in fact, and second connector is connected along the second direction extension and with the other end of the 3rd ground connection wall.Binding by first connector, the first ground connection wall, second connector, ground connection connector and the 3rd ground connection wall by signal feed-in source and be formed on the balun of medium-frequency band, can adjust impedance at aforementioned intermediate frequency dipole antenna and time intermediate frequency class dipole antenna, to increase the effect that frequency range reaches the intermediate frequency wide frequency antenna.The combination of second radiant body, first metalwork, the 4th metalwork, first connector and the first ground connection wall has balun and operates in the class dipole wide frequency antenna of medium-frequency band and can form one.
Description of drawings
Fig. 1 (a) and (b) are the forward and backward view of first embodiment of the invention.
Fig. 2 loses measurement result figure for returning of first embodiment of the invention.
Fig. 3 (a) and (b) are the forward and backward view of second embodiment of the invention.
Fig. 4 is voltage standing wave ratio (VSWR) the measurement result figure of second embodiment of the invention.
Fig. 5 is the rearview of third embodiment of the invention.
Fig. 6 loses measurement result figure for returning of third embodiment of the invention.
Fig. 7 (a) and (b) are the forward and backward view of fourth embodiment of the invention.
Fig. 8 loses measurement result figure for returning of fourth embodiment of the invention.
Fig. 9 is the front view of fifth embodiment of the invention.
Figure 10 loses measurement result figure for returning of fifth embodiment of the invention.
Figure 11 is the schematic diagram of Anneta module of the present invention.
The schematic diagram that Figure 12 combines with electronic installation for the present invention.
The major part symbol description
Three- frequency antenna 1,1a, 1b, 1c, 1d
First radiant body 10
First metalwork 11
Load point 111
First radiating element 12
Second metalwork 121 the 3rd metalwork 122
The 4th metalwork 123 first planes 124
Second plane 125
First connector 13
The first ground connection wall 14
Second radiant body 20,20a, 20b, 20c, 20d
Second radiating element 21
The 5th metalwork 211,211 ' the 6th metalwork 212,212 '
Rectangular channel 213
Second connector 22,22a
Ground connection connector 23
The second ground connection wall 24
The 3rd ground connection wall 25
The 4th ground connection wall 26
Metal base 30
Fixed structure 31
Signal feed-in source 40
Earthing member 50
Electronic installation 60
Dual-band antenna 70
Radiant element 71
711 low frequency radiation unit 712, high frequency radiation unit
Connection Element 72
Secondary signal feed-in source 73
Anneta module 100
Embodiment
More understand technology contents of the present invention for allowing, be described as follows especially exemplified by going out several preferred specific embodiments.
Below please be the front view and the rearview of first embodiment of the invention in the lump with reference to figure 1 (a) and (b).Shown in Fig. 1 (a) and (b), three-frequency antenna 1 of the present invention comprises first radiant body 10, second radiant body 20 and signal feed-in source 40.First radiant body 10 comprises one first metalwork 11, one first radiating element 12, one first connector 13 and one first ground connection wall 14.First metalwork 11 comprises that a load point 111, the first metalworks 11 are connected with first radiating element 12, and first radiating element 12 extends along a first direction in fact.One end of first connector 13 is connected with first metalwork 11, and the other end then is connected with the first ground connection wall 14.Second radiant body 20 and first radiant body 10 are overlapped and are kept a suitable spacing that both are not contacted with each other, and can reduce the volume of three-frequency antenna 1 integral body whereby.Second radiant body 20 comprises one second radiating element 21, one second connector 22, a ground connection connector 23 and one second ground connection wall 24.Second radiating element 21 extends along a second direction, and an end of second connector 22 is connected with second radiating element 21, and the other end is connected with the second ground connection wall 24 by ground connection connector 23.Signal feed-in source 40 is connected in load point 111.Three-frequency antenna 1 further comprises a metal base 30, and metal base 30 is with the first ground connection wall 14 and the second ground connection wall 24 is vertical in fact is connected.The positive pole in signal feed-in source 40 is connected with load point 111, and the negative pole in signal feed-in source 40 then is connected with metal base 30.
First radiating element 12 comprises one second metalwork 121, one the 3rd metalwork 122 and one the 4th metalwork 123.Second metalwork 121 be a L shaped structure and with first metalwork, 11 coplines, the 3rd metalwork 122 is connected with first metalwork 11 is vertical in fact, the 4th metalwork 123 comprises one first plane 124 and one second plane 125, first plane 124 is connected with first metalwork 11 is vertical in fact, and second plane 125 is a L shaped structure and is connected with first plane 124 is vertical in fact.Second radiating element 21 comprises one the 5th metalwork 211 and one the 6th metalwork 212.The 5th metalwork 211 is connected with the 6th metalwork 212 is vertical in fact, and the 6th metalwork 212 and second connector, 22 coplines.Offer a rectangular channel 213 between the 5th metalwork 211 and the 6th metalwork 212.
Design whereby, first radiant body 10 can constitute a double frequency wide frequency antenna that can be used for high frequency and low-frequency band, wherein second metalwork 121 can operate in the lowest frequency frequency band, the 3rd metalwork 122 can operate in the infra-low frequency frequency band, makes that second metalwork 121 and the 3rd metalwork 122 can be in conjunction with forming a low frequency wide frequency antenna; 11 of first metalworks can operate in high frequency band and form a high frequency antenna.The development length of second metalwork 121 and the 3rd metalwork 122 can be mutually adjusted, so as to controlling the size of corresponding frequency band.In the present embodiment, second metalwork, 121 development lengths are less than the 3rd metalwork 122 development lengths, the development length that second metalwork 121 is started at from load point 111 is about the quarter-wave of low-frequency band (being 2.3GHz-2.5GHz) centre frequency in fact, and the development length that the 3rd metalwork 122 is started at from load point 111 is about the quarter-wave of infra-low frequency band (being 2.5GHz-2.7GHz) centre frequency in fact.It is noted that the development length of second metalwork 121 and the 3rd metalwork 122 is interchangeable, its each self-corresponding frequency band is also adjusted thereupon.In addition, the L shaped bending part of second metalwork, 121 elongated ends and the first ground connection wall 14 keep a spacing, change capacitance by the size of adjusting this spacing, to adjust low-frequency impedance.
Can constitute an antenna that operates in medium-frequency band by the combination of first radiant body 10 and second radiant body 20, wherein the 4th metalwork 123 and the 6th metalwork 212 can form an intermediate frequency dipole antenna, and second metalwork 121, the 4th metalwork 123 and the 5th metalwork 211 can form intermediate frequency class dipole antenna one time.The 5th metalwork 211 development lengths are less than the 6th metalwork 212 development lengths, and both development lengths also can be adjusted a little to control the size of corresponding frequency band.In the present embodiment, the development length that the 5th metalwork 211 is started at from load point 111 is about the quarter-wave of midband higher-frequency (being 3.55GHz-3.8GHz) centre frequency in fact, and the development length that the 6th metalwork 212 is started at from load point 111 is about the quarter-wave of midband time high frequency (being 3.3GHz-3.55GHz) centre frequency in fact.It is noted that the development length of the 5th metalwork 211 and the 6th metalwork 212 is interchangeable, its each self-corresponding frequency band is also adjusted thereupon.
In addition, shown in Fig. 1 (a) and (b), metal base 30 can connect an earthing member 50, so that the grounding function of three-frequency antenna 1 to be provided.Earthing member 50 is housing, metallic plate or the flexible metal material of electronic installation.Metal base 30 also can comprise a fixed structure 31, and fixed structure 31 can be arranged at the both sides of metal base, in order to three-frequency antenna 1 is fixed on the electronic installation.In the present embodiment, fixed structure 31 is a screw tightening, but also can use the element of fastener or other tool fixed functions to replace.
Please refer to Fig. 2, it loses measurement result figure for returning of first embodiment of the invention.As shown in Figure 2, three-frequency antenna 1 of the present invention also provides at 3.8GHz to the narrow frequent band of the intermediate frequency between the 4.1GHz, to reach the demand that realizes the three-frequency antenna function except the frequency band that low frequency wideband and high frequency wideband are provided.
Below please in the lump with reference to figure 3 (a) and (b), it is the front view and the rearview of second embodiment of the invention.Shown in Fig. 3 (a) and (b), the three-frequency antenna 1a of second embodiment of the invention and the three-frequency antenna of first embodiment 1 are compared, and its second radiant body 20a also comprises one the 3rd ground connection wall 25 and one second connector 22a.One end of the 3rd ground connection wall 25 is connected with metal base 30 is vertical in fact, and the second connector 22a is connected along the second direction extension and with the other end of the 3rd ground connection wall 25.
Design whereby, first connector 13, the first ground connection wall 14, the second connector 22a, ground connection connector 23 and the 3rd ground connection wall 25 are by the binding in signal feed-in source 40 and form the balun that operates in medium-frequency band, effect by balun can be adjusted impedance at aforementioned intermediate frequency dipole antenna and time intermediate frequency class dipole antenna, to increase the effect that frequency range reaches the intermediate frequency wide frequency antenna.Second radiant body 20, first metalwork 11, the 4th metalwork 123, first connector 13 and the first ground connection wall 14 can form one to have balun and operates in the class dipole wide frequency antenna of medium-frequency band, adjusts impedance to increase the function of frequency range and provide by balun.
Please refer to Fig. 4, it is voltage standing wave ratio (VSWR) the measurement result figure of second embodiment of the invention.As shown in Figure 4, three-frequency antenna 1a of the present invention at 2.3GHz to the low-frequency band between the 2.7GHz, 3.3GHz to the medium-frequency band between the 3.8GHz and 5GHz to the high frequency band between the 6GHz, its VSWR value is all less than 2, make three-frequency antenna 1a all provide the wideband effect at basic, normal, high frequent band, can be in response to the demand of multiple frequency band.In the present embodiment, low frequency bandwidth can reach about 450MHz, makes low frequency wideband effect more remarkable.
Below please in the lump with reference to figure 5 and Fig. 6, it is for the rearview of third embodiment of the invention and return loss measurement result figure.As shown in Figure 5, the three-frequency antenna 1b of third embodiment of the invention and the three-frequency antenna 1a of second embodiment are comparatively speaking, be further the rectangular channel of being offered between the 5th metalwork 211 of the three-frequency antenna 1a of second embodiment and the 6th metalwork 212 213 to be filled up, but the 5th metalwork 211 ' of the second radiant body 20b of the 3rd embodiment still keep vertical in fact being connected with the 6th metalwork 212 '.Design influences the single resonance mode of antenna medium-frequency band whereby, and forms the narrow frequency antenna of an intermediate frequency.As shown in Figure 6, the narrow frequency antenna of this intermediate frequency provides at 3.1GHz to the narrow frequent band of the intermediate frequency between the 3.5GHz.
Below please in the lump with reference to figure 7 (a) and (b) and Fig. 8, it is for the forward and backward view of fourth embodiment of the invention and return loss measurement result figure.Shown in Fig. 7 (a) and (b), the three-frequency antenna 1c of fourth embodiment of the invention comprises first radiant body 10, the second radiant body 20c and signal feed-in source 40.First radiant body 10 comprises one first metalwork 11, one first radiating element 12, one first connector 13 and one first ground connection wall 14, first metalwork 11 comprises a load point 111, first metalwork 11 is connected with first radiating element 12, and first radiating element 12 extends along a first direction in fact, one end of first connector 13 is connected with first metalwork 11, and the other end then is connected with the first ground connection wall 14.The second radiant body 20c comprises one second radiating element 21, one second connector 22, one the 3rd ground connection wall 25 and one the 4th ground connection wall 26, second radiating element 21 extends along a second direction, one end of second connector 22 is connected with second radiating element 21 and the 4th ground connection wall 26, and the other end is connected with the 3rd ground connection wall 25.Signal feed-in source 40 is connected in load point 111.Three-frequency antenna 1c further comprises a metal base 30, and metal base 30 is with the first ground connection wall 14, the 3rd ground connection wall 25 and the 4th ground connection wall 26 is vertical in fact is connected, and signal feed-in source 40 also is connected in metal base 30.In the present embodiment, the second radiant body 20c and this first radiant body 10 are overlapped and are kept a suitable spacing that both are not contacted with each other.Design can obtain as shown in Figure 8 result according to this, makes three-frequency antenna 1c provide 2.3GHz to the low-frequency band between the 2.7GHz, 3.3GHz to the medium-frequency band between the 3.8GHz and 4.8GHz to the high frequency band scope between the 5.8GHz.
Below please in the lump with reference to figure 9 and Figure 10, it is for the front view of fifth embodiment of the invention and return loss measurement result figure.As shown in Figure 9, the three-frequency antenna 1d of fifth embodiment of the invention and the three-frequency antenna 1c of the 4th embodiment are that first radiant body 10 and the second radiant body 20d are arranged in fact perpendicular on the same plane of metal base 30 and keep a suitable spacing that both are not contacted with each other comparatively speaking.First metalwork 11, second metalwork 121, the 6th metalwork 212, first connector 13, second connector 22, the first ground connection wall 14, the 3rd ground connection wall 25 and the 4th ground connection wall 26 coplines.This design is arranged at three-frequency antenna 1d on the same plane as far as possible, can reduce the thickness of three-frequency antenna 1d, simultaneously can integrated structure helps the manufacturing production of three-frequency antenna 1d.The three-frequency antenna 1d that can provide another kind to have the different IF frequency band range is provided according to this.
Please refer to Figure 11 is the schematic diagram of Anneta module 100 of the present invention.As shown in figure 11, Anneta module 100 of the present invention comprises a described three-frequency antenna 1d of the 5th embodiment and a double frequency antenna 70 as described above.Dual-band antenna 70 comprises a radiant element 71, a Connection Element 72 and a secondary signal feed-in source 73.Radiant element 71 comprises a high frequency radiation unit 711 and a low frequency radiation unit 712, wherein low frequency radiation unit 712 is upwards bent a height and is formed a stereochemical structure by high frequency radiation unit 711 residing horizontal planes, and stereochemical structure is a U-shaped stereochemical structure; One end of Connection Element 72 is connected with radiant element 71; Secondary signal feed-in source 73 is connected in radiant element 71.Anneta module 100 further comprises a metal base 30, and metal base 30 is with three-frequency antenna 1d and dual-band antenna 70 is vertical in fact is connected, and signal feed-in source 40 and secondary signal feed-in source 73 are connected in metal base 30.In the present embodiment, in fact three-frequency antenna 1d and dual-band antenna 70 are positioned on the same plane perpendicular to metal base 30, and metal base 30 is connected with earthing member 50 is vertical in fact.Three-frequency antenna 1d, dual-band antenna 70, metal base 30 and earthing member 50 can be one-body molded.Because three-frequency antenna 1d itself can provide WiMAX and WiFi function, and dual-band antenna 70 can provide the WiFi function, if both are combined into an Anneta module 100, cooperate another group three-frequency antenna 1d again, can contain future on using may become the multiple-input and multiple-output of wireless transmission main flow (MIMO) technology.In addition, the difference according to space size and demand are set can replace three-frequency antenna 1d with three-frequency antenna 1,1a, 1b, the 1c of aforementioned each embodiment.Also can use another three-frequency antenna 1,1a, 1b, 1c, 1d to replace dual-band antenna 70 in the aforementioned Anneta module 100, can form the combination of antennas with two groups of WiMAX and WiFi function this moment.
Please refer to Figure 12, the schematic diagram that it combines with electronic installation 60 for the present invention.As shown in figure 12, three- frequency antenna 1,1a, 1b, 1c, 1d or Anneta module 100 can be arranged in the electronic installation 60, make electronic installation 60 possess radio communication function.Because therefore three-frequency antenna 1 of the present invention, 1a, 1b, 1c, 1d or Anneta module 100 volumes are little does not take up space can directly be arranged at electronic installation 60 enclosure interior to avoid the interference of external factor.Three- frequency antenna 1,1a, 1b, 1c, 1d or Anneta module 100 can be applicable on all kinds of electronic devices 60, for example notebook computer, mobile phone or PDA etc.
To sum up institute is old, and no matter the present invention is all showing it totally different in the feature of conventional art with regard to purpose, means and effect, is a quantum jump.But must notice that the foregoing description only is illustrative principle of the present invention and effect thereof, but not is used to limit the scope of the invention.Any insider all can be under know-why of the present invention and spirit, and embodiment is made an amendment and changes.The scope of the present invention should be as described in claims.

Claims (39)

1, a kind of three-frequency antenna can be applicable to one and has on the electronic installation of radio communication function, and this three-frequency antenna comprises:
One first radiant body, comprise one first metalwork, one first radiating element, one first connector and one first ground connection wall, this first metalwork comprises a load point, this first metalwork is connected with this first radiating element, and this first radiating element extends along a first direction in fact, one end of this first connector is connected with this first metalwork, and the other end then is connected with this first ground connection wall; And
One second radiant body, overlap with this first radiant body and keep a suitable spacing that both are not contacted with each other, this second radiant body comprises one second radiating element, one second connector, a ground connection connector and one second ground connection wall, this second radiating element extends along a second direction, one end of this second connector is connected with this second radiating element, and the other end is connected with this second ground connection wall by this ground connection connector.
2, three-frequency antenna according to claim 1, wherein this three-frequency antenna further comprises a metal base and a signal feed-in source; Second ground connection wall is vertical in fact is connected for this metal base and this first ground connection wall and this, and an end in this signal feed-in source is connected in this load point, and the other end then connects this metal base.
3, three-frequency antenna according to claim 1, wherein this first radiating element comprises one second metalwork, one the 3rd metalwork and one the 4th metalwork, this second metalwork be a L shaped structure and with this first metalwork copline, the 3rd metalwork is connected with this first metalwork is vertical in fact, the 4th metalwork comprises one first plane and one second plane, this first plane is connected with this first metalwork is vertical in fact, and this second plane is a L shaped structure and is connected with this first plane is vertical in fact.
4, three-frequency antenna according to claim 3, wherein this second radiating element comprises one the 5th metalwork and one the 6th metalwork, the 5th metalwork is connected with the 6th metalwork is vertical in fact, and the 6th metalwork and this second connector copline.
5, three-frequency antenna according to claim 1, wherein this second radiant body also comprises one the 3rd ground connection wall, this second connector is connected along this second direction extension and with an end of the 3rd ground connection wall.
6, three-frequency antenna according to claim 5, wherein this first connector, this first ground connection wall, this second connector, this ground connection connector and the 3rd ground connection wall can form a balun that operates in medium-frequency band by the binding in this signal feed-in source.
7, three-frequency antenna according to claim 4 is wherein offered a rectangular channel between the 5th metalwork and the 6th metalwork.
8, three-frequency antenna according to claim 3, wherein the development length of this second metalwork is essentially the quarter-wave of low-frequency band centre frequency.
9, three-frequency antenna according to claim 3, wherein the development length of the 3rd metalwork is essentially the quarter-wave of infra-low frequency mid-band frequency.
10, three-frequency antenna according to claim 4, wherein the development length of the 5th metalwork is essentially the quarter-wave of midband higher-frequency centre frequency.
11, three-frequency antenna according to claim 4, wherein the development length of the 6th metalwork is about the quarter-wave of midband time high frequency centre frequency in fact.
12, three-frequency antenna according to claim 2, wherein this metal base also comprises a fixed structure.
13, three-frequency antenna according to claim 1 further comprises an earthing member.
14, three-frequency antenna according to claim 13, wherein this earthing member is housing, a metallic plate or a flexible metal material of this electronic installation.
15, a kind of three-frequency antenna can be applicable to one and has on the electronic installation of radio communication function, and this three-frequency antenna comprises:
One first radiant body, comprise one first metalwork, one first radiating element, one first connector and one first ground connection wall, this first metalwork comprises a load point, this first metalwork is connected with this first radiating element, and this first radiating element extends along a first direction in fact, one end of this first connector is connected with this first metalwork, and the other end then is connected with this first ground connection wall; And
One second radiant body, comprise one second radiating element, one second connector, one the 3rd ground connection wall and one the 4th ground connection wall, this second radiating element extends along a second direction, one end of this second connector is connected with this second radiating element and the 4th ground connection wall, and the other end is connected with the 3rd ground connection wall.
16, three-frequency antenna according to claim 15, wherein this three-frequency antenna further comprises a metal base and a signal feed-in source; This metal base is with this first ground connection wall, the 3rd ground connection wall and the 4th ground connection wall is vertical in fact is connected, and an end in this signal feed-in source is connected in this load point, and the other end then connects this metal base.
17, three-frequency antenna according to claim 15, wherein this second radiant body and this first radiant body are overlapped and are kept a suitable spacing that both are not contacted with each other.
18, three-frequency antenna according to claim 15, wherein this first radiating element comprises one second metalwork, one the 3rd metalwork and one the 4th metalwork, this second metalwork be a L shaped structure and with this first metalwork copline, the 3rd metalwork is connected with this first metalwork is vertical in fact, the 4th metalwork comprises one first plane and one second plane, this first plane is connected with this first metalwork is vertical in fact, and this second plane is a L shaped structure and is connected with this first plane is vertical in fact.
19, three-frequency antenna according to claim 18, wherein this second radiating element comprises one the 5th metalwork and one the 6th metalwork, the 5th metalwork is connected with the 6th metalwork is vertical in fact, and offer a rectangular channel between the 5th metalwork and the 6th metalwork, the 6th metalwork and this second connector copline.
20, three-frequency antenna according to claim 18, wherein the development length of this second metalwork is essentially the quarter-wave of low-frequency band centre frequency.
21, three-frequency antenna according to claim 18, wherein the development length of the 3rd metalwork is essentially the quarter-wave of infra-low frequency mid-band frequency.
22, three-frequency antenna according to claim 19, wherein the development length of the 5th metalwork is essentially the partly quarter-wave of centre frequency of midband higher-frequency.
23, three-frequency antenna according to claim 19, wherein the development length of the 6th metalwork is essentially the partly quarter-wave of centre frequency of midband time high frequency.
24, three-frequency antenna according to claim 16, wherein this metal base also comprises a fixed structure.
25, three-frequency antenna according to claim 15 further comprises an earthing member.
26, three-frequency antenna according to claim 25, wherein this earthing member is housing, a metallic plate or a flexible metal material of this electronic installation.
27, a kind of electronic installation with radio communication function comprises:
One three-frequency antenna, this three-frequency antenna comprises:
One first radiant body, comprise one first metalwork, one first radiating element, one first connector and one first ground connection wall, this first metalwork comprises a load point, this first metalwork is connected with this first radiating element, and this first radiating element extends along a first direction in fact, one end of this first connector is connected with this first metalwork, and the other end then is connected with this first ground connection wall; And
One second radiant body, overlap with this first radiant body and keep a suitable spacing that both are not contacted with each other, this second radiant body comprises one second radiating element, one second connector, a ground connection connector and one second ground connection wall, this second radiating element extends along a second direction, one end of this second connector is connected with this second radiating element, and the other end is connected with this second ground connection wall by this ground connection connector.
28, electronic installation according to claim 27, wherein this three-frequency antenna further comprises a metal base and a signal feed-in source; Second ground connection wall is vertical in fact is connected for this metal base and this first ground connection wall and this, and an end in this signal feed-in source is connected in this load point, and the other end then connects this metal base.
29, electronic installation according to claim 27, wherein this first radiating element comprises one second metalwork, one the 3rd metalwork and one the 4th metalwork, this second metalwork be a L shaped structure and with this first metalwork copline, the 3rd metalwork is connected with this first metalwork is vertical in fact, the 4th metalwork comprises one first plane and one second plane, this first plane is connected with this first metalwork is vertical in fact, and this second plane is a L shaped structure and is connected with this first plane is vertical in fact.
30, electronic installation according to claim 29, wherein this second radiating element comprises one the 5th metalwork and one the 6th metalwork, the 5th metalwork is connected with the 6th metalwork is vertical in fact, and the 6th metalwork and this second connector copline.
31, electronic installation according to claim 27, wherein this second radiant body also comprises one the 3rd ground connection wall, this second connector is connected along this second direction extension and with an end of the 3rd ground connection wall.
32, electronic installation according to claim 30 is wherein offered a rectangular channel between the 5th metalwork and the 6th metalwork.
33, a kind of electronic installation with radio communication function comprises:
One three-frequency antenna, this three-frequency antenna comprises:
One first radiant body, comprise one first metalwork, one first radiating element, one first connector and one first ground connection wall, this first metalwork comprises a load point, this first metalwork is connected with this first radiating element, and this first radiating element extends along a first direction in fact, one end of this first connector is connected with this first metalwork, and the other end then is connected with this first ground connection wall; And
One second radiant body, comprise one second radiating element, one second connector, one the 3rd ground connection wall and one the 4th ground connection wall, this second radiating element extends along a second direction, one end of this second connector is connected with this second radiating element and the 4th ground connection wall, and the other end is connected with the 3rd ground connection wall.
34, electronic installation according to claim 33, wherein this three-frequency antenna further comprises a metal base and a signal feed-in source; This metal base is with this first ground connection wall, the 3rd ground connection wall and the 4th ground connection wall is vertical in fact is connected, and an end in this signal feed-in source is connected in this load point, and the other end then connects this metal base.
35, electronic installation according to claim 33, wherein this second radiant body and this first radiant body are overlapped and are kept a suitable spacing that both are not contacted with each other.
36, electronic installation according to claim 33, wherein this first radiating element comprises one second metalwork, one the 3rd metalwork and one the 4th metalwork, this second metalwork be a L shaped structure and with this first metalwork copline, the 3rd metalwork is connected with this first metalwork is vertical in fact, the 4th metalwork comprises one first plane and one second plane, this first plane is connected with this first metalwork is vertical in fact, and this second plane is a L shaped structure and is connected with this first plane is vertical in fact.
37, electronic installation according to claim 36, wherein this second radiating element comprises one the 5th metalwork and one the 6th metalwork, the 5th metalwork is connected with the 6th metalwork is vertical in fact, and offer a rectangular channel between the 5th metalwork and the 6th metalwork, the 6th metalwork and this second connector copline.
38, a kind of Anneta module can be applicable to one and has on the electronic installation of radio communication function, and this Anneta module comprises:
One according to claim 1 or 15 described three-frequency antennas; And
One double frequency antenna comprises:
One radiant element comprises a high frequency radiation unit and a low frequency radiation unit, and wherein this low frequency radiation unit is upwards bent a height and formed a stereochemical structure by the residing horizontal plane in this high frequency radiation unit; And
One Connection Element, an end of this Connection Element is connected with this radiant element.
39, a kind of electronic installation with radio communication function comprises:
One Anneta module, this Anneta module comprises:
One according to claim 1 or 15 described three-frequency antennas; And
One double frequency antenna comprises:
One radiant element comprises a high frequency radiation unit and a low frequency radiation unit, and wherein this low frequency radiation unit is upwards bent a height and formed a stereochemical structure by the residing horizontal plane in this high frequency radiation unit; And
One Connection Element, an end of this Connection Element is connected with this radiant element.
CN2007101262618A 2007-06-26 2007-06-26 Three-frequency antenna and electronic apparatus applying the same Active CN101335375B (en)

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US8686903B2 (en) 2010-10-20 2014-04-01 Wistron Corp. Antenna
TWI495194B (en) * 2013-03-05 2015-08-01 Cameo Communications Inc Dual-band antenna and wireless communication device having the dual-band antenna
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US8686903B2 (en) 2010-10-20 2014-04-01 Wistron Corp. Antenna
CN102456942A (en) * 2010-10-25 2012-05-16 纬创资通股份有限公司 Antenna
CN102810721A (en) * 2011-06-03 2012-12-05 启碁科技股份有限公司 Antenna with multiple resonance modes
TWI495194B (en) * 2013-03-05 2015-08-01 Cameo Communications Inc Dual-band antenna and wireless communication device having the dual-band antenna
CN106450767A (en) * 2015-08-12 2017-02-22 宏碁股份有限公司 Mobile communication device
CN108123729A (en) * 2016-11-30 2018-06-05 宏达国际电子股份有限公司 Wireless communication device
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