CN107331969A - A kind of antenna of mobile terminal, control method and the mobile terminal with the antenna - Google Patents
A kind of antenna of mobile terminal, control method and the mobile terminal with the antenna Download PDFInfo
- Publication number
- CN107331969A CN107331969A CN201710464791.7A CN201710464791A CN107331969A CN 107331969 A CN107331969 A CN 107331969A CN 201710464791 A CN201710464791 A CN 201710464791A CN 107331969 A CN107331969 A CN 107331969A
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- China
- Prior art keywords
- antenna
- inductance
- switching switch
- earth terminal
- electric capacity
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/30—Arrangements for providing operation on different wavebands
- H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
- H01Q5/314—Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors
- H01Q5/328—Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors between a radiating element and ground
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/30—Arrangements for providing operation on different wavebands
- H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
- H01Q5/314—Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors
- H01Q5/335—Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors at the feed, e.g. for impedance matching
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- Variable-Direction Aerials And Aerial Arrays (AREA)
- Details Of Aerials (AREA)
- Waveguide Aerials (AREA)
Abstract
The invention provides a kind of antenna of mobile terminal, control method and the mobile terminal with the antenna, the antenna includes the one or more in radiant body, tuning circuit, feed end and first assembly, the second component or the 3rd component, the first assembly includes the first earth terminal, the first switching switch module, when first switching switch module connects the radiant body and the first earth terminal, the antenna is inverted F shaped antenna；Second component includes the second earth terminal, the second switching switch module, and when the second switching switch module connects the radiant body and the second earth terminal, the antenna is the unipole antenna of frequency-adjustable；3rd component includes the 4th earth terminal, the 3rd switching switch module, and when the 3rd switching switch module connects the radiant body and four earth terminals, the antenna is loop aerial.The working frequency range of antenna can be adjusted flexibly for technical scheme, add frequency coverage；Component number needed for reducing, reduces cost.
Description
Technical field
The present invention relates to field of mobile terminals, more particularly to a kind of antenna of mobile terminal, control method and with the day
The mobile terminal of line.
Background technology
Nowadays, with the development of the communication technology, 2G, 3G, 4G, WIFI, GPS network network coexist, for compatible heterogeneous networks, move
The antenna of dynamic equipment is required to be operated in multiple frequency ranges.In mobile terminal device field, the design environment of antenna is very
Complexity, space is limited, and must consider and other functional unit communal space structures.One of limitation is exactly merely to set
The described any antenna of meter can not cover required all frequency bands, in order to meet the demand in multiple band operations, just must
Must the multiple antenna elements of design.
Prior art has made effort, such as Chinese patent prospectus (publication number to solving this problem：
CN105144479 multiaerial system, including the mobile device with multiple antennas) are disclosed.First antenna and the second antenna can
It is operated in two or more communication bands in identical different communication bands.First antenna and the second antenna spacing are close,
And with different basic manipulation modes so that first antenna and the second antenna are in two or more different communication bands by base
This isolation.First antenna and the second antenna with different basic models can be linear antennas, such as monopole, it is bipolar,
PIFA or PILA, and aperture antenna, such as flute profile or loop aerial.
Prior art realizes the support to multiple communication bands by setting multiple antennas in mobile device, but still
There is problems with：
1. space is limited in mobile terminal, multiple antennas are set without enough spaces, moreover with the communication technology
Development is, it is necessary to increase new frequency range, and the frequency range covering demand of wide scope and limited Antenna Design space are still principal contradiction, existing
The design method for having technology can not solve the contradiction；
2. in the prior art, each antenna is required for independent a set of component to support Antenna Operation, for component
Consumption is very big, and cost is higher.
Therefore need to design a kind of antenna suitable for mobile terminal, can meet many using limited design environmental conditions
The work requirements of individual frequency range, while reducing component cost.
The content of the invention
In order to overcome above-mentioned technological deficiency, it is an object of the invention to provide a kind of antenna of mobile terminal, by institute
State and switching switch module is set in mobile terminal, select different feed components to enter working condition, realize covering multiband
And save the technique effect of component cost.
The invention discloses a kind of antenna of mobile terminal, the antenna includes radiant body, tuning circuit, feed end, cut
The one or more changed in first assembly, the second component or the 3rd component of the antenna type, wherein, when the antenna includes
During first assembly, the first assembly includes the first earth terminal, the first switching switch module, and the first switching switch module connects
When connecing the radiant body with first earth terminal, the antenna is inverted F shaped antenna；When the antenna includes the second component,
Second component includes the second earth terminal, the second switching switch module, and the second switching switch module connects the radiation
When body is with second earth terminal, the antenna is the unipole antenna of frequency-adjustable；When the antenna includes three components, institute
Stating the 3rd component includes the 4th earth terminal, the 3rd switching switch module, and the 3rd switching switch module connects the radiant body
During with four earth terminal, the antenna is loop aerial.
Preferably, the tuning circuit includes signal source, the 4th electric capacity, the 5th electric capacity, the 6th inductance and the 5th earth terminal,
The signal source, the 6th inductance, the 5th electric capacity are concatenated to the radiant body from the feed end successively, and the 4th electric capacity is from institute
The junction for stating the 5th electric capacity and the 6th inductance is connected to the 5th earth terminal.
Preferably, the first switching switch module is opened including the first electric capacity, first resistor, the first inductance and the first switching
Close, one end of first electric capacity, first resistor and the first inductance is connected on the radiant body, the first switching switch selection institute
State any component in the first electric capacity, first resistor and the first inductance and be connected to first earth terminal.
Preferably, the second switching switch module includes the second electric capacity, the second inductance, the 3rd inductance, the 3rd earth terminal
With the second switching switch, second electric capacity, the second inductance, the 3rd inductance are connected to the radiant body, second electric capacity with
3rd earth terminal connection, the second switching switch selection second inductance or the 3rd inductance connection are connect to described second
Ground terminal.
Preferably, the second switching switch module also includes the 4th inductance, second inductance, the 3rd inductance, the 4th
Inductance one end is connected in the radiant body, the second switching switch selection second inductance, the 3rd inductance, the 4th inductance
Any component is connected to the 3rd earth terminal.
Preferably, the 3rd switching switch module is opened including the 3rd electric capacity, second resistance, the 5th inductance and the 3rd switching
Close, one end of the 3rd electric capacity, second resistance and the 5th inductance is connected on the radiant body, the 3rd switching switch selection institute
State any component in the 3rd electric capacity, second resistance and the 5th inductance and be connected to the 4th earth terminal.
The invention also discloses a kind of control method of mobile terminal antenna, it is characterised in that comprises the following steps：
The radiant body is connected with the tuning circuit；
Control the first switching switch connection first electric capacity and first earth terminal.
Preferably, the step of the first switching switch connection first electric capacity is with first earth terminal is controlled to replace
It is changed to：
Control the first switching switch connection first inductance and first earth terminal.
Preferably, the control method is further comprising the steps of：
Control in the second switching switch selection second inductance, the 3rd inductance, the 4th inductance any component with
The 3rd earth terminal connection so that the Antenna Operation is in different frequency range.
Control the 3rd switching switch connection the 3rd electric capacity and the 4th earth terminal.
The invention also discloses a kind of mobile terminal, including above-mentioned antenna.
Employ after above-mentioned technical proposal, compared with prior art, have the advantages that：
1. realizing the Integrated design of antenna, it is that covering multiband can be achieved only to need a feed end, without multiple independent
Antenna element；
2. the working frequency range of antenna can be adjusted flexibly, frequency coverage is added；
3. reducing the component number needed for antenna, cost is reduced.
Brief description of the drawings
Fig. 1 is the structural representation for meeting the antenna of mobile terminal in one embodiment of the present invention；
Fig. 2 is the topological structure schematic diagram for meeting the antenna of mobile terminal in one embodiment of the present invention；
Fig. 3 is the structural representation for meeting tuning circuit in one embodiment of the present invention；
Fig. 4 is the structural representation for meeting first assembly in one embodiment of the present invention；
Fig. 5 is the structural representation for meeting the second component in one embodiment of the present invention；
Fig. 6 is the structural representation for meeting the 3rd component in one embodiment of the present invention；
Fig. 7 is the schematic flow sheet for meeting the control method of the antenna of mobile terminal in one embodiment of the present invention.
Reference：
10- antennas, 20- radiant bodies, 30- tuning circuits, 31- signal sources, the electric capacity of 32- the 4th, the electric capacity of 33- the 5th, 34-
Six inductance, the earth terminals of 35- the 5th, 40- feed ends, 50- first assemblies, the earth terminals of 51- first, 52- first switching switch module,
The electric capacity of 53- first, 54- first resistors, the inductance of 55- first, the switchings of 56- first switch, the components of 60- second, 61- second are grounded
End, the switchings of 62- second switch module, 63 second electric capacity, 64 second inductance, 65 the 3rd inductance, the inductance of 66- the 4th, 67 the 3rd connect
Ground terminal, 68 second switching switches, the components of 70- the 3rd, the earth terminals of 71- the 4th, 72- the 3rd switching switch module, the electricity of 73- the 3rd
Appearance, 74- second resistances, the inductance of 75- the 5th, the switching switches of 76- the 3rd.
Embodiment
Advantages of the present invention is expanded on further below in conjunction with accompanying drawing and specific embodiment.
Refering to Fig. 1, for the structural representation for the antenna 10 for meeting mobile terminal in one embodiment of the present invention, the day
Line 10 includes：
- radiant body 20
Radiant body 20, located at the mobile terminal end, with the tuning circuit 30, first assembly 50, the second component 60,
3rd component 70 is connected, and sends or receive radio signal, supports the antenna 10 to be operated in multiple frequency ranges.The radiant body
20 be antenna in the narrow sense, and it is a kind of converter, and it is transformed into the signal propagated on wire medium (logical in unbounded medium
It is often free space) the middle electromagnetic wave propagated, or carry out opposite conversion；It is to be used for launching or receiving in wireless device
The part of electromagnetic wave.The engineering systems such as radio communication, broadcast, TV, radar, navigation, electronic countermeasure, remote sensing, radio astronomy,
It is every using electromagnetic waves to transmission information, antenna is depended on to be operated.Usual antenna all has invertibity, i.e., same pair
Antenna both can be used as transmitting antenna, it is also possible to make reception antenna；The same antenna as transmitting or receive fundamental characteristics parameter be
Identical；That is the reciprocal theorem of antenna.In the present embodiment, the intension of the antenna 10 is enriched than the antenna of narrow sense, in addition to
Tuning circuit 30 and other assemblies so that the antenna 10 can be operated in multiple frequency ranges, and frequency-adjustable section.The day
Line 10 is operated in the frequency range of mobile communications network, the multiple network standard such as including 2G, 3G, 4G, supports the mobile terminal and outer
Portion carries out information exchange.In the present embodiment, the construction of the radiant body 20 should be met and the tuning circuit 30, first assembly
50th, the second component 60, the requirement of the cooperating of the 3rd component 70, at least should include several extensions, the extension with it is upper
State component connection.The construction of radiant body 20 shown in Fig. 1 is only a kind of concrete application, is not intended as what the radiant body 20 was constructed
Technical characteristic is limited.
- tuning circuit 30
Tuning circuit 30, is connected with the radiant body 20, produces resonance signal, and by the radiant body 20 with electromagnetic wave
Form send.So-called tuning, that is, adjusting the frequency of an oscillating circuit makes it and shaking that another is vibrating
Swing circuit (or electromagnetic wave) and occur resonance.Effect of the tuning circuit 30 in the antenna 10 is vital, is not had
The tuning circuit 30, the antenna 10 can not just produce concussion, also just can not send or receive electromagnetic wave signal.
- feed end 40
Feed end 40, is connected with the tuning circuit 30.The feed end 40 connects the antenna 10 and feeder line, as institute
State the signal input part or output end of antenna 10.In the present embodiment, the feed end 40 only has one, that is, passes through a feed end
40 realize the multiband covering of the antenna 10, and this is also the technological merit of the present invention, has saved design space, has taken full advantage of
Existing antenna structure resource.
- first assembly 50
First assembly 50, including the first earth terminal 51, first switching switch module 52, the first switching switch module 52
When connecting the radiant body 20 with first earth terminal 51, the antenna 10 is inverted F shaped antenna.The first assembly 50 works
When, with the radiant body 20 and the composition inverted F shaped antenna of the tuning circuit 30.From figure 1 it appears that the first assembly 50
Position located at most edge, is next to the tuning circuit 30, and both constitute reversed F-typed with the radiant body 20.Inverted F shaped antenna is
The common form of field of mobile terminals Antenna Design, takes full advantage of the inner space of the mobile terminal, with preferable spoke
Penetrate effect.
- the second component 60
Second component 60, including the second earth terminal 61, second switching switch module 62, the second switching switch module 62
When connecting the radiant body 20 with second earth terminal 61, the antenna 10 is the unipole antenna of frequency-adjustable.Can from Fig. 1
To find out, second component 60 is in monopole shape, close to the medium position of radiant body 20.The unipole antenna is vertical four
The antenna of/mono- wavelength, antenna is equivalent on a ground plane, and it can be actual ground or car body, human body
Etc. equivalent ground.In the present embodiment, the ground plane of second component 60 is the housing of the mobile terminal, described second group
Part 60 is grounded by second earth terminal 61.
- the three component 70
3rd component 70, including the 4th earth terminal the 71, the 3rd switching switch module 72, the 3rd switching switch module 72
When connecting the radiant body 20 with four earth terminal 71, the antenna 10 is loop aerial.3rd component 70 is located at
The other end corresponding with the first assembly 50, the part of the radiant body 20 connected is half ring-like.3rd component
70 be that the radiant body 20 constitutes loop aerial with the tuning circuit 30.Loop aerial is to be coiled into a plain conductor necessarily
Shape, such as circular, square, triangle is used as the structure of output end using conductor two ends.Particularly small-sized loop aerial is real
Applied in border at most, antenna, portable station in Source Music receive antenna, radionavigation positioning antenna, field intentisy meter
Probe antenna etc..The loop aerial that 3rd component 70 described in the present embodiment is constituted is small-sized loop aerial, terminal load
Impedance can be zero, can also be equal to the characteristic impedance of ring, and CURRENT DISTRIBUTION thereon is similar with ribbon feeder.
In summary, the embodiment shown in Fig. 1, by the radiant body 20, tuning circuit 30, feed end 40, first group
Part 50, the second component 60, the 3rd component 70 combine according to the structure described in Fig. 1 so that the antenna 10 is respectively with inverted f
Type, monopole, the operation of loop aerial, realize the covering of multiband.
Refering to Fig. 2, for the topological structure schematic diagram for the antenna 10 for meeting mobile terminal in one embodiment of the present invention, clearly
Illustrate to Chu the annexation between each part of the antenna 10.The radiant body 20 is upper located at the antenna 10
Side, i.e., the end of described mobile terminal is switched with the described first switching switch module 52, the switching of tuning circuit 30, second respectively
The switching switch module 72 of component the 62, the 3rd is connected.The first switching switch module 52 is connected with first earth terminal 51；Institute
Tuning circuit 30 is stated to be connected with the feed end 40；The second switching switch module 62 is connected with second earth terminal 61；
The 3rd switching switch module 72 is connected with the 4th earth terminal 71.
Refering to Fig. 3, to meet the structural representation of tuning circuit 30 in one embodiment of the present invention, the tuning circuit
30 include：
- signal source 31
Signal source 31, one end is connected with the feed end 40, and the other end is connected with the 6th inductance 34.The signal source
31 send the electric signal of some frequency, and resonance is produced in the antenna 10, is sent out by the radiant body 20 with electromagnetic wave
Penetrate.
- the four electric capacity 32
4th electric capacity 32, one end is connected with the 5th earth terminal 35, and the other end and the 6th inductance 34 simultaneously connect, and produce
Parallel resonance.
- the five electric capacity 33
5th electric capacity 33, one end is concatenated with the 6th inductance 34, and the other end is connected with the radiant body 20, with described
The series resonance of six inductance 34.
- the six inductance 34
6th inductance 34, one end is connected with the signal source 31, and the other end connects the 4th electric capacity 32 and the 5th electric capacity
33。
- the five earth terminal 35
5th earth terminal 35, connects the 4th electric capacity 32, is allowed to be grounded.
Refering to Fig. 4, to meet the structural representation of first assembly 50 in one embodiment of the present invention, the first assembly
50 include：
- the first earth terminal 51
First earth terminal 51, is connected with the fixing end of the described first switching switch 56, is allowed to be grounded.
- the first electric capacity 53
First electric capacity 53, one end is connected with the radiant body 20, the selection end of the other end and the described first switching switch 56
Connection, ground connection or vacant state are according to the working condition that the described first switching switchs 56.
- first resistor 54
First resistor 54, one end is connected with the radiant body 20, the selection end of the other end and the described first switching switch 56
Connection, ground connection or vacant state are according to the working condition that the described first switching switchs 56.
- the first inductance 55
First inductance 55, one end is connected with the radiant body 20, the selection end of the other end and the described first switching switch 56
Connection, ground connection or vacant state are according to the working condition that the described first switching switchs 56.
- the first switching switch 56
First switching switch 56, including fixing end and selection end, the fixing end are connected with first earth terminal 51, institute
Selection end is stated to be connected with first electric capacity 53, first resistor 54, the first inductance 55 respectively.The first switching switch 56 is connected
One in first electric capacity 53, first resistor 54, the first inductance 55 so that the antenna 10 is in different work shapes
State.
Refering to Fig. 5, to meet the structural representation of the second component 60 in one embodiment of the present invention, second component
60 include：
- the second earth terminal 61
Second earth terminal 61, is connected with the fixing end of the described second switching switch 68, is allowed to be grounded.
- the second electric capacity 63
Second electric capacity 63, one end is connected with the 3rd earth terminal 67, and the other end is connected with the radiant body 20.Described
Two electric capacity 63 are grounded as shunt capacitance.
- the second inductance 64
Second inductance 64, one end is connected with the radiant body 20, the selection end of the other end and the described second switching switch 68
Connection, ground connection or vacant state are according to the working condition that the described second switching switchs 68.
- the three inductance 65
3rd inductance 65, one end is connected with the radiant body 20, the selection end of the other end and the described second switching switch 68
Connection, ground connection or vacant state are according to the working condition that the described second switching switchs 68.
- the four inductance 66
4th inductance 66, one end is connected with the radiant body 20, the selection end of the other end and the described second switching switch 68
Connection, ground connection or vacant state are according to the working condition that the described second switching switchs 68.
- the three earth terminal 67
3rd earth terminal 67, is connected with second electric capacity 63, is allowed to be grounded.
- the second switching switch 68
Second switching switch 68, including fixing end and selection end, the fixing end are connected with second earth terminal 61, institute
Selection end is stated to be connected with second inductance 64, the 3rd inductance 65, the 4th inductance 66 respectively.The second switching switch 68 is connected
One in second inductance 64, the 3rd inductance 65, the 4th inductance 66, with the parallel resonance of the second electric capacity 63 so that institute
State antenna 10 and be in different working frequency range.
Refering to Fig. 6, to meet the structural representation of the 3rd component 70 in one embodiment of the present invention, the 3rd component
70 include：
- the four earth terminal 71
4th earth terminal 71, is connected with the fixing end of the described 3rd switching switch 76, is allowed to be grounded.
- the three electric capacity 73
3rd electric capacity 73, one end is connected with the radiant body 20, the selection end of the other end and the described 3rd switching switch 76
Connection, ground connection or vacant state are according to the working condition that the described 3rd switching switchs 76.
- second resistance 74
Second resistance 74, one end is connected with the radiant body 20, the selection end of the other end and the described 3rd switching switch 76
Connection, ground connection or vacant state are according to the working condition that the described 3rd switching switchs 76.
- the five inductance 75
5th inductance 75, one end is connected with the radiant body 20, the selection end of the other end and the described 3rd switching switch 76
Connection, ground connection or vacant state are according to the working condition that the described 3rd switching switchs 76.
- the three switching switch 76
3rd switching switch 76, including fixing end and selection end, the fixing end are connected with the 4th earth terminal 71, institute
Selection end is stated to be connected with the 3rd electric capacity 73, second resistance 74, the 5th inductance 75 respectively.The 3rd switching switch 76 is connected
One in 3rd electric capacity 73, second resistance 74, the 5th inductance 75 so that the antenna 10 is in different work shapes
State.
Refering to Fig. 7, to meet the control method of mobile terminal antenna in one embodiment of the present invention, including following step
Suddenly：
S1：The radiant body 20 is connected with the tuning circuit 30.
The radiant body 20 is connected by this step with the tuning circuit 30, wherein the signal source 31 is in work shape
State so that the tuning circuit 30 launches electric signal, and the electric signal can the incoming radiant body 20.
S2：Control connection first electric capacity 53 of the first switching switch 56 and first earth terminal 51.
This step is grounded first electric capacity 53 in the first switching switch module 52, i.e., described first assembly 50
In capacity earth state.
S3：Control to appoint in selection second inductance 64 of the second switching switch 68, the 3rd inductance 65, the 4th inductance 66
One component is connected with the 3rd earth terminal 67 so that the antenna 10 is operated in different frequency range.
In this step, second inductance 64, the 3rd inductance 65, the 4th inductance 66 have different inductance values respectively, when
When the different inductance of selection is operated, the resonant frequency of second component 60 is different, and realization is operated in the antenna 10
The technique effect of different frequency range.
S4：Control connection the 3rd electric capacity 73 of the 3rd switching switch 76 and the 4th earth terminal 71.
It is grounded the 3rd electric capacity 73 in the 3rd switching switch module 72 in this step, i.e., described 3rd component
70 are in capacity earth state.
As the further improvement of the control method, step S2 can be replaced：The first switching switch 56 is controlled to connect
Connect first inductance 55 and first earth terminal 51.This step makes described first in the first switching switch module 52
Inductance 55 is grounded, i.e., described first assembly 50 is in inductance ground state, the first assembly 50 and the tuning circuit 30 and
Radiant body 20 constitutes inverted F shaped antenna.
It should be noted that embodiments of the invention have preferably implementation, and any type of not is made to the present invention
Limitation, any one skilled in the art changes or is modified to possibly also with the technology contents of the disclosure above equivalent effective
Embodiment, as long as without departing from the content of technical solution of the present invention, what the technical spirit according to the present invention was made to above example
Any modification or equivalent variations and modification, in the range of still falling within technical solution of the present invention.
Claims (10)
1. a kind of antenna of mobile terminal, the antenna includes radiant body, tuning circuit, feed end, it is characterised in that
The antenna also includes switching one kind or many in first assembly, the second component or the 3rd component of the antenna type
Kind, wherein,
When the antenna includes first assembly, the first assembly includes the first earth terminal, the first switching switch module, described
When first switching switch module connects the radiant body with first earth terminal, the antenna is inverted F shaped antenna；
When the antenna includes the second component, second component includes the second earth terminal, the second switching switch module, described
When second switching switch module connects the radiant body with second earth terminal, the antenna is the monopole day of frequency-adjustable
Line；
When the antenna includes three components, the 3rd component includes the 4th earth terminal, the 3rd switching switch module, described
When 3rd switching switch module connects the radiant body with four earth terminal, the antenna is loop aerial.
2. antenna as claimed in claim 1, it is characterised in that
The tuning circuit include signal source, the 4th electric capacity, the 5th electric capacity, the 6th inductance and the 5th earth terminal, the signal source,
6th inductance, the 5th electric capacity are concatenated to the radiant body from the feed end successively, and the 4th electric capacity is from the 5th electric capacity
The 5th earth terminal is connected to the junction of the 6th inductance.
3. antenna as claimed in claim 1 or 2, it is characterised in that
The first switching switch module includes the first electric capacity, first resistor, the first inductance and the first switching switch, described first
One end of electric capacity, first resistor and the first inductance is connected on the radiant body, the first switching switch selection first electric capacity,
Any component is connected to first earth terminal in first resistor and the first inductance.
4. antenna as claimed in claim 1 or 2, it is characterised in that
The second switching switch module includes the second electric capacity, the second inductance, the 3rd inductance, the 3rd earth terminal and the second switching and opened
Close, second electric capacity, the second inductance, the 3rd inductance are connected to the radiant body, second electric capacity and the described 3rd ground connection
End connection, the second switching switch selects second inductance or the 3rd inductance connection to second earth terminal.
5. antenna as claimed in claim 4, it is characterised in that
The second switching switch module also includes the 4th inductance, and second inductance, the 3rd inductance, the 4th inductance one end simultaneously connect
Any component connects in the radiant body, the second switching switch selection second inductance, the 3rd inductance, the 4th inductance
It is connected to the 3rd earth terminal.
6. antenna as claimed in claim 1 or 2, it is characterised in that
The 3rd switching switch module includes the 3rd electric capacity, second resistance, the 5th inductance and the 3rd switching switch, the described 3rd
One end of electric capacity, second resistance and the 5th inductance is connected on the radiant body, the 3rd switching switch selection the 3rd electric capacity,
Any component is connected to the 4th earth terminal in second resistance and the 5th inductance.
7. a kind of control method of mobile terminal antenna, it is characterised in that comprise the following steps：
The radiant body is connected with the tuning circuit；
Control the first switching switch connection first electric capacity and first earth terminal.
8. control method as claimed in claim 7, it is characterised in that
The step of the first switching switch connection first electric capacity is with first earth terminal is controlled to can be replaced：
Control the first switching switch connection first inductance and first earth terminal.
9. control method as claimed in claim 7 or 8, it is characterised in that
The control method is further comprising the steps of：
Control in the second switching switch selection second inductance, the 3rd inductance, the 4th inductance any component with it is described
3rd earth terminal is connected so that the Antenna Operation is in different frequency range.
Control the 3rd switching switch connection the 3rd electric capacity and the 4th earth terminal.
10. a kind of mobile terminal, it is characterised in that including antenna as claimed in claim 1.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710464791.7A CN107331969A (en) | 2017-06-19 | 2017-06-19 | A kind of antenna of mobile terminal, control method and the mobile terminal with the antenna |
| PCT/CN2017/089480 WO2018232679A1 (en) | 2017-06-19 | 2017-06-22 | Antenna and control method of mobile terminal, and mobile terminal having said antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710464791.7A CN107331969A (en) | 2017-06-19 | 2017-06-19 | A kind of antenna of mobile terminal, control method and the mobile terminal with the antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107331969A true CN107331969A (en) | 2017-11-07 |
Family
ID=60195903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710464791.7A Pending CN107331969A (en) | 2017-06-19 | 2017-06-19 | A kind of antenna of mobile terminal, control method and the mobile terminal with the antenna |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107331969A (en) |
| WO (1) | WO2018232679A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108493616A (en) * | 2018-02-28 | 2018-09-04 | 上海与德科技有限公司 | Antenna |
| CN109599662A (en) * | 2018-11-27 | 2019-04-09 | 维沃移动通信有限公司 | A kind of antenna system and terminal device |
| CN109888467A (en) * | 2017-12-06 | 2019-06-14 | 宏碁股份有限公司 | Wireless electron device |
| CN110417434A (en) * | 2019-06-20 | 2019-11-05 | 努比亚技术有限公司 | The antenna structure and its design method of mobile terminal |
| CN111029748A (en) * | 2019-12-27 | 2020-04-17 | 惠州Tcl移动通信有限公司 | Antenna system and mobile terminal |
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| CN114665256B (en) * | 2020-12-22 | 2024-03-01 | 深圳市万普拉斯科技有限公司 | Antenna structure, mobile terminal and frequency band switching method |
| CN112787093B (en) * | 2021-01-04 | 2023-05-16 | 西安闻泰电子科技有限公司 | Antenna assembly and terminal |
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| CN111029748A (en) * | 2019-12-27 | 2020-04-17 | 惠州Tcl移动通信有限公司 | Antenna system and mobile terminal |
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| WO2018232679A1 (en) | 2018-12-27 |
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