CN101335375B - Three-frequency antenna and electronic apparatus applying the same - Google Patents
Three-frequency antenna and electronic apparatus applying the same Download PDFInfo
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- CN101335375B CN101335375B CN2007101262618A CN200710126261A CN101335375B CN 101335375 B CN101335375 B CN 101335375B CN 2007101262618 A CN2007101262618 A CN 2007101262618A CN 200710126261 A CN200710126261 A CN 200710126261A CN 101335375 B CN101335375 B CN 101335375B
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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
Technical field
The present invention is about a kind of antenna, a kind of three-frequency antenna that can corresponding different frequency ranges particularly, and having increases the Antenna Design that low frequency bandwidth and corresponding different IF frequency range use.
Background technology
Along with the day by day enhancement 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, such as notebook computer, mobile phone or PDA etc., because this type of electronic installation is all towards compact future development, so that certainly will also will dwindle its volume in multifrequency antenna design itself as far as possible.But in improvement design reduction antenna volume, often also reduced the receiving efficiency of antenna, caused multifrequency antenna not enough at the reception frequency range of different frequency range, therefore certainly will between the volume of multifrequency antenna and usefulness, make trade-offs.In addition, generally have the multifrequency antenna of medium-frequency band receiving function, also easily because of the restriction in the design, and cause medium-frequency band can't reach the requirement of wideband.
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.
The intermediate frequency antenna another object of the present invention is to provide a kind of three-frequency antenna with balun (balun) function, so that can reach the effect of wideband.
For reaching above-mentioned purpose, three-frequency antenna of the present invention comprises the first radiant body, the second radiant body and signal feed-in source.The first radiant body comprises the first metalwork, the first radiating element, the first connector and the first ground connection wall, the first metalwork comprises load point, the first metalwork is connected with the first radiating element, and the first radiating element extends along a first direction in fact, one end of the first connector is connected with the first metalwork, and the other end then is connected with the first ground connection wall.The first radiating element comprises the second metalwork, the 3rd metalwork and the 4th metalwork, this second metalwork be a L shaped structure and with this first metalwork copline, the 3rd metalwork and this first metalwork be vertical being connected in fact, the 4th metalwork comprises one first plane and one second plane, this first plane and this first metalwork be vertical being connected in fact, this second plane be a L shaped structure and with this first plane vertical being connected in fact.Utilize the first metalwork, the second metalwork and the 3rd metalwork to consist of the dual-band antenna of high frequency and low-frequency band.The second radiant body and the first radiant body are overlapped and are kept a suitable spacing that both are not contacted with each other, the second radiant body comprises the second radiating element, the second connector, grounding connection spare and the second ground connection wall, the second radiating element comprises the 5th metalwork and the 6th metalwork, the 5th metalwork and the 6th metalwork be vertical being connected in fact, and the 6th metalwork and this second connector copline, and the second radiating element extends along a second direction.Consist of tool medium-frequency band antenna by the first metalwork, the 4th metalwork, the 5th metalwork and the 6th metalwork combination with one another.The development length of this second metalwork is essentially the quarter-wave of low-frequency band centre frequency, the development length of the 3rd metalwork is essentially the quarter-wave of infra-low frequency mid-band frequency, the development length of the 5th metalwork is essentially the quarter-wave of midband higher-frequency centre frequency, and the development length of the 6th metalwork is about in fact the quarter-wave of midband time high frequency centre frequency.
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 and a metal base be vertical being connected in fact, and the second connector extends and is connected with the other end of the 3rd ground connection wall along second direction.Binding by the first connector, the first ground connection wall, the second connector, grounding connection spare and the 3rd ground connection wall by signal feed-in source and be formed on the balun of medium-frequency band, can adjust impedance for aforementioned intermediate frequency dipole antenna and time intermediate frequency class dipole antenna, reach the effect of intermediate frequency wide frequency antenna to increase frequency range.The combination of the second radiant body, the first metalwork, the 4th metalwork, the 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), (b) are the forward and backward view of first embodiment of the invention.
Fig. 2 is that returning of first embodiment of the invention lost measurement result figure.
Fig. 3 (a), (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 is that returning of third embodiment of the invention lost measurement result figure.
Fig. 7 (a), (b) are the forward and backward view of fourth embodiment of the invention.
Fig. 8 is that returning of fourth embodiment of the invention lost measurement result figure.
Fig. 9 is the front view of fifth embodiment of the invention.
Figure 10 is that returning of fifth embodiment of the invention lost measurement result figure.
Figure 11 is the schematic diagram of Anneta module of the present invention.
Figure 12 is the schematic diagram that the present invention is combined with electronic installation.
The major part symbol description
Three-frequency antenna 1,1a, 1b, 1c, 1d
The first radiant body 10
The first metalwork 11
The first radiating element 12
The second metalwork 121 the 3rd metalwork 122
The 4th metalwork 123 first planes 124
The second plane 125
The first connector 13
The first ground connection wall 14
The second radiant body 20,20a, 20b, 20c, 20d
The second radiating element 21
The 5th metalwork 211, the 211 ' the 6th metalwork 212,212 '
The second connector 22,22a
Grounding connection spare 23
The second ground connection wall 24
The 3rd ground connection wall 25
The 4th ground connection wall 26
Fixed structure 31
Signal feed-in source 40
Earthing member 50
Dual-band antenna 70
711 low frequency radiation unit 712, high frequency radiation unit
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 front view and the rearview of first embodiment of the invention in the lump with reference to figure 1 (a), (b).Shown in Fig. 1 (a), (b), three-frequency antenna 1 of the present invention comprises the first radiant body 10, the second radiant body 20 and signal feed-in source 40.The 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.The first metalwork 11 comprises that a load point 111, the first metalworks 11 are connected with the first radiating element 12, and the first radiating element 12 extends along a first direction in fact.One end of the first connector 13 is connected with the first metalwork 11, and the other end then is connected with the first ground connection wall 14.The second radiant body 20 and the first radiant body 10 are overlapped and are kept a suitable spacing that both are not contacted with each other, and can reduce whereby the volume of three-frequency antenna 1 integral body.The second radiant body 20 comprises one second radiating element 21, one second connector 22, a grounding connection spare 23 and one second ground connection wall 24.The second radiating element 21 extends along a second direction, and an end of the second connector 22 is connected with the second radiating element 21, and the other end is connected with the second ground connection wall 24 by grounding connection spare 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 and the first ground connection wall 14 and the second ground connection wall 24 be vertical being connected in fact.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.
The first radiating element 12 comprises one second metalwork 121, one the 3rd metalwork 122 and one the 4th metalwork 123.The second metalwork 121 be a L shaped structure and with the first metalwork 11 coplines, the 3rd metalwork 122 and the first metalwork 11 be vertical being connected in fact, the 4th metalwork 123 comprises one first plane 124 and one second plane 125, the first plane 124 and the first metalwork 11 be vertical being connected in fact, the second plane 125 be a L shaped structure and with the first plane 124 vertical being connected in fact.The second radiating element 21 comprises one the 5th metalwork 211 and one the 6th metalwork 212.The 5th metalwork 211 and the 6th metalwork 212 be vertical being connected in fact, and the 6th metalwork 212 and the second connector 22 coplines.Offer a rectangular channel 213 between the 5th metalwork 211 and the 6th metalwork 212.
Whereby design, the first radiant body 10 can consist of a double frequency wide frequency antenna that can be used for high frequency and low-frequency band, wherein the second metalwork 121 can operate in the lowest frequency frequency band, the 3rd metalwork 122 can operate in the infra-low frequency frequency band, so that the second metalwork 121 and the 3rd metalwork 122 can be in conjunction with forming a low frequency wide frequency antenna; 11 of the first metalworks can operate in high frequency band and form a high frequency antenna.The development length of the 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, the second metalwork 121 development lengths are less than the 3rd metalwork 122 development lengths, the development length that the second metalwork 121 is started at from load point 111 is about in fact the quarter-wave of low-frequency band (being 2.3GHz-2.5GHz) centre frequency, and the development length that the 3rd metalwork 122 is started at from load point 111 is about in fact the quarter-wave of infra-low frequency band (being 2.5GHz-2.7GHz) centre frequency.It is noted that the development length of the 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 the 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 consist of an antenna that operates in medium-frequency band by the combination of the first radiant body 10 and the second radiant body 20, wherein the 4th metalwork 123 and the 6th metalwork 212 can form an intermediate frequency dipole antenna, and the 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 adjust to control the size of corresponding frequency band a little.In the present embodiment, the development length that the 5th metalwork 211 is started at from load point 111 is about in fact the quarter-wave of midband higher-frequency (being 3.55GHz-3.8GHz) centre frequency, and the development length that the 6th metalwork 212 is started at from load point 111 is about in fact the quarter-wave of midband time high frequency (being 3.3GHz-3.55GHz) centre frequency.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), (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), (b), it is front view and the rearview of second embodiment of the invention.Shown in Fig. 3 (a), (b), the three-frequency antenna 1a of second embodiment of the invention and the three-frequency antenna of the 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 and metal base 30 be vertical being connected in fact, and the second connector 22a extends and is connected with the other end of the 3rd ground connection wall 25 along second direction.
Whereby design, the first connector 13, the first ground connection wall 14, the second connector 22a, grounding connection spare 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 for aforementioned intermediate frequency dipole antenna and time intermediate frequency class dipole antenna, reaches the effect of intermediate frequency wide frequency antenna to increase frequency range.The second radiant body 20, the first metalwork 11, the 4th metalwork 123, the 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, so that three-frequency antenna 1a all provides 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 the second embodiment are comparatively speaking, be further the rectangular channel 213 of offering between the 5th metalwork 211 of the three-frequency antenna 1a of the second embodiment and the 6th metalwork 212 to be filled up, but the 5th metalwork 211 ' of the second radiant body 20b of the 3rd embodiment still keep in fact vertical being connected with the 6th metalwork 212 '.Design affects 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), (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), (b), the three-frequency antenna 1c of fourth embodiment of the invention comprises the first radiant body 10, the second radiant body 20c and signal feed-in source 40.The 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, the first metalwork 11 comprises a load point 111, the first metalwork 11 is connected with the first radiating element 12, and the first radiating element 12 extends along a first direction in fact, one end of the first connector 13 is connected with the 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, the second radiating element 21 extends along a second direction, one end of the second connector 22 is connected with the 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 and the first ground connection wall 14, the 3rd ground connection wall 25 and the 4th ground connection wall 26 be vertical being connected in fact, 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, so that three-frequency antenna 1c provides 2.3GHz to the low-frequency band between the 2.7GHz, 3.3GHz is 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 the 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.The first metalwork 11, the second metalwork 121, the 6th metalwork 212, the first connector 13, the 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 be conducive to 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 just like the described three-frequency antenna 1d of aforementioned the 5th embodiment and a double frequency antenna 70.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 and three-frequency antenna 1d and dual-band antenna 70 be vertical being connected in fact, 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 and earthing member 50 vertical being connected 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, can contain future on using may become the multiple-input and multiple-output of wireless transmission main flow (MIMO) technology again.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 replace dual-band antenna 70 with another three-frequency antenna 1,1a, 1b, 1c, 1d in the aforementioned Anneta module 100, can form the antenna combination with two groups of WiMAX and WiFi function this moment.
Please refer to Figure 12, it is the schematic diagram of the present invention and electronic installation 60 combinations.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, such as 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 above-described embodiment only is illustrative principle of the present invention and effect thereof, but not be used for limiting 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 (25)
1. a 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, the other end then is connected with this first ground connection wall, 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 and this first metalwork be vertical being connected in fact, the 4th metalwork comprises one first plane and one second plane, this first plane and this first metalwork be vertical being connected in fact, this second plane be a L shaped structure and with this first plane vertical being connected in fact; 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, one grounding connection spare 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, the other end is connected with this second ground connection wall by this grounding connection spare, wherein this second radiating element comprises one the 5th metalwork and one the 6th metalwork, the 5th metalwork and the 6th metalwork be vertical being connected in fact, and the 6th metalwork and this second connector copline
Wherein the development length of this second metalwork is essentially the quarter-wave of low-frequency band centre frequency, the development length of the 3rd metalwork is essentially the quarter-wave of infra-low frequency mid-band frequency, the development length of the 5th metalwork is essentially the quarter-wave of midband higher-frequency centre frequency, and the development length of the 6th metalwork is about in fact the quarter-wave of midband time high frequency centre frequency.
2. three-frequency antenna according to claim 1, wherein this three-frequency antenna further comprises a metal base and a signal feed-in source; This metal base and this first ground connection wall and this second ground connection wall be vertical being connected in fact, 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 2, wherein this second radiant body also comprises one the 3rd ground connection wall, this second connector extends and is connected with an end of the 3rd ground connection wall along this second direction.
4. three-frequency antenna according to claim 3, wherein this first connector, this first ground connection wall, this second connector, this grounding connection spare and the binding of the 3rd ground connection wall by this signal feed-in source can form a balun that operates in medium-frequency band.
5. three-frequency antenna according to claim 1 is wherein offered a rectangular channel between the 5th metalwork and the 6th metalwork.
6. three-frequency antenna according to claim 2, wherein this metal base also comprises a fixed structure.
7. three-frequency antenna according to claim 1 further comprises an earthing member.
8. three-frequency antenna according to claim 7, wherein this earthing member is housing, a metallic plate or a flexible metal material of this electronic installation.
9. a 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, the other end then is connected with this first ground connection wall, 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 and this first metalwork be vertical being connected in fact, the 4th metalwork comprises one first plane and one second plane, this first plane and this first metalwork be vertical being connected in fact, this second plane be a L shaped structure and with this first plane vertical being connected in fact; 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, the other end is connected with the 3rd ground connection wall, wherein this second radiating element comprises one the 5th metalwork and one the 6th metalwork, the 5th metalwork and the 6th metalwork be vertical being connected in fact, the 6th metalwork and this second connector copline
Wherein the development length of this second metalwork is essentially the quarter-wave of low-frequency band centre frequency, the development length of the 3rd metalwork is essentially the quarter-wave of infra-low frequency mid-band frequency, the development length of the 5th metalwork is essentially the quarter-wave of midband higher-frequency part centre frequency, and the development length of the 6th metalwork is essentially the quarter-wave of midband time high frequency part centre frequency.
10. three-frequency antenna according to claim 9, wherein this three-frequency antenna further comprises a metal base and a signal feed-in source; This metal base and this first ground connection wall, the 3rd ground connection wall and the 4th ground connection wall be vertical being connected in fact, and an end in this signal feed-in source is connected in this load point, and the other end then connects this metal base.
11. three-frequency antenna according to claim 9, 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.
12. three-frequency antenna according to claim 9 is wherein offered a rectangular channel between the 5th metalwork and the 6th metalwork.
13. three-frequency antenna according to claim 10, wherein this metal base also comprises a fixed structure.
14. three-frequency antenna according to claim 9 further comprises an earthing member.
15. three-frequency antenna according to claim 14, wherein this earthing member is housing, a metallic plate or a flexible metal material of this electronic installation.
16. the 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, the other end then is connected with this first ground connection wall, 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 and this first metalwork be vertical being connected in fact, the 4th metalwork comprises one first plane and one second plane, this first plane and this first metalwork be vertical being connected in fact, this second plane be a L shaped structure and with this first plane vertical being connected in fact; 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, one grounding connection spare 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, the other end is connected with this second ground connection wall by this grounding connection spare, wherein this second radiating element comprises one the 5th metalwork and one the 6th metalwork, the 5th metalwork and the 6th metalwork be vertical being connected in fact, and the 6th metalwork and this second connector copline
Wherein the development length of this second metalwork is essentially the quarter-wave of low-frequency band centre frequency, the development length of the 3rd metalwork is essentially the quarter-wave of infra-low frequency mid-band frequency, the development length of the 5th metalwork is essentially the quarter-wave of midband higher-frequency centre frequency, and the development length of the 6th metalwork is about in fact the quarter-wave of midband time high frequency centre frequency.
17. electronic installation according to claim 16, wherein this three-frequency antenna further comprises a metal base and a signal feed-in source; This metal base and this first ground connection wall and this second ground connection wall be vertical being connected in fact, and an end in this signal feed-in source is connected in this load point, and the other end then connects this metal base.
18. electronic installation according to claim 16, wherein this second radiant body also comprises one the 3rd ground connection wall, and this second connector is connected along this second direction extension and with an end of the 3rd ground connection wall.
19. electronic installation according to claim 16 is wherein offered a rectangular channel between the 5th metalwork and the 6th metalwork.
20. the 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, the other end then is connected with this first ground connection wall, 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 and this first metalwork be vertical being connected in fact, the 4th metalwork comprises one first plane and one second plane, this first plane and this first metalwork be vertical being connected in fact, this second plane be a L shaped structure and with this first plane vertical being connected in fact; 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, the other end is connected with the 3rd ground connection wall, wherein this second radiating element comprises one the 5th metalwork and one the 6th metalwork, the 5th metalwork and the 6th metalwork be vertical being connected in fact, the 6th metalwork and this second connector copline
Wherein the development length of this second metalwork is essentially the quarter-wave of low-frequency band centre frequency, the development length of the 3rd metalwork is essentially the quarter-wave of infra-low frequency mid-band frequency, the development length of the 5th metalwork is essentially the quarter-wave of midband higher-frequency centre frequency, and the development length of the 6th metalwork is about in fact the quarter-wave of midband time high frequency centre frequency.
21. electronic installation according to claim 20, wherein this three-frequency antenna further comprises a metal base and a signal feed-in source; This metal base and this first ground connection wall, the 3rd ground connection wall and the 4th ground connection wall be vertical being connected in fact, and an end in this signal feed-in source is connected in this load point, and the other end then connects this metal base.
22. electronic installation according to claim 20, 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.
23. electronic installation according to claim 20 is wherein offered a rectangular channel between the 5th metalwork and the 6th metalwork.
24. an Anneta module can be applicable to one and has on the electronic installation of radio communication function, this Anneta module comprises:
One according to claim 1 or 9 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.
25. the electronic installation with radio communication function comprises:
One Anneta module, this Anneta module comprises:
One according to claim 1 or 9 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.
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| CN2007101262618A CN101335375B (en) | 2007-06-26 | 2007-06-26 | Three-frequency antenna and electronic apparatus applying the same |
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| CN2007101262618A CN101335375B (en) | 2007-06-26 | 2007-06-26 | Three-frequency antenna and electronic apparatus applying the same |
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| CN101335375A CN101335375A (en) | 2008-12-31 |
| CN101335375B true CN101335375B (en) | 2013-01-16 |
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| CN2007101262618A Active CN101335375B (en) | 2007-06-26 | 2007-06-26 | Three-frequency antenna and electronic apparatus applying the same |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI450443B (en) | 2010-10-20 | 2014-08-21 | 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 |
| CN106450767B (en) * | 2015-08-12 | 2019-11-26 | 宏碁股份有限公司 | Mobile communications device |
| US10158381B2 (en) | 2016-11-30 | 2018-12-18 | Htc Corporation | Wireless communication device |
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| CN1897355A (en) * | 2005-07-15 | 2007-01-17 | 三星电机株式会社 | Internal antenna having perpendicular arrangement |
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| CN1393956A (en) * | 2001-06-25 | 2003-01-29 | 奇美数位股份有限公司 | Broadband dual-frequency antenna |
| CN1452271A (en) * | 2002-04-19 | 2003-10-29 | 广达电脑股份有限公司 | Built-in multiband antenna |
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| CN101335375A (en) | 2008-12-31 |
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