Specific embodiment
According to an embodiment of the invention, opened up in metal edge frame using mobile communication terminal (for example, smart phone)
Gap is as antenna radiator, to send or receive radiofrequency signal.
The embodiment of the present invention is described with reference to the accompanying drawings, in the accompanying drawings identical label indicates identical portion always
Part.
Fig. 2 is the main view for schematically showing the Anneta module of mobile communication terminal of first embodiment according to the present invention
Figure, Fig. 3 is the side view for schematically showing the Anneta module of mobile communication terminal of first embodiment according to the present invention.
As shown in Fig. 2, at least one metal edge frame of mobile communication terminal may include upper metal edge frame 10, lower metal edge frame
20 and side metal edge frame 30 (for example, left metal edge frame and right metal edge frame), upper metal edge frame 10 and lower metal edge frame 20 can
To extend (for example, transverse direction or width direction of mobile communication terminal) in X direction respectively, side metal edge frame 30 can edge
Y-direction extends (for example, short transverse or longitudinal direction of mobile communication terminal), in addition, the thickness of side metal edge frame 30 can
To correspond to the thickness of mobile communication terminal, here, the thickness direction of mobile communication terminal can be defined as Z-direction.
Upper metal edge frame 10, lower metal edge frame 20 and side metal edge frame 30 can be intercepted from entire upper side frame, entirely respectively
A part of lower frame and entire side frame, and a part of of side metal edge frame 30 can extend to upper side frame or following
Frame.
Upper metal edge frame 10, lower metal edge frame 20 and side metal edge frame 30 can by subsection part (for example, gap) that
This is separated, and metal edge frame 10 in non-conducting material (for example, resin) realization, lower metal edge frame 20 and side gold can be filled in gap
Belong to the electric isolution between frame 30.In addition, upper metal edge frame 10, lower metal edge frame 20 can be respectively and in mobile communication terminals
Radio frequency (RF) module connection, to be used alone as antenna radiator.
However, according to an embodiment of the invention, using the gap being formed on metal edge frame as antenna radiator, outward
Radiation energy receives energy.
As shown in Figures 2 and 3, the Anneta module of first embodiment according to the present invention may include metal body (metal
Ontology may include at least one metal edge frame of mobile communication terminal), the first gap 50, the first current feed department 42 and first be electrically connected
Socket part 43, the first gap 50 can be formed in metal body (for example, metal edge frame of mobile communication terminal) and be used as radiation
Body, the first current feed department 42 can be set in the first gap 50 and can separate with metal edge frame, in other words, the first current feed department
42 do not contact with metal edge frame (for example, side metal edge frame 30).First current feed department 42 may be mounted in the first gap 50, example
Such as, the first current feed department 42 can pass through the first gap 50 and be fixed on the mainboard of mobile communication terminal.
As shown in Figures 2 and 3, the size of the first current feed department 42 can be less than the size in the first gap 50.For example, the first feedback
The length in electric portion 42 can be less than the length in the first gap 50, and the thickness of the first current feed department 42 can be less than the width in the first gap 50
Degree.
First gap 50 can have arbitrary shape, preferably have rectangular section, that is, the opening in the first gap 50 can be in square
Shape, the length in the first gap 50 can be at least half of the wavelength of the radiofrequency signal of Anneta module transmission, that is, the first gap 50
Length can be more than or equal to λ/2 (λ can be the corresponding waveguide wavelength of operating frequency of antenna) so that RF electric current is in the first gap
Resonance generates radiation field at 50, or receives radiofrequency signal.
The width in the first gap 50 can be greater than or equal to 0.4mm, and can be less than the metal edges of mobile communication terminal
The thickness (for example, 8mm) of frame.First gap 50 can be opened in the gold of at least one metal edge frame including mobile communication terminal
Belong in ontology, at least one metal edge frame may include upper metal edge frame 10, lower metal edge frame 20 and left metal edge frame, right metal edges
At least one of frame.
First electrical connection section 43 can be by the mainboard of the first current feed department 42 and mobile communication terminal (for example, unshowned print
Printed circuit board) electrical connection, allow 50 couple feed of the first current feed department 42 and the first gap.First current feed department 42 can be set
In the first gap 50.In this application, a certain visual angle (example that can refer to from mobile communication terminal is arranged in gap in current feed department
Such as, main view or side view), the entire profile of current feed department is entirely located in gap.
As shown in Fig. 2, the first electrical connection section 43 can be formed by material identical with the first current feed department 42, and can be with
First current feed department 42 is formed as one.For example, the first electrical connection section 43 can be vertical with the first current feed department 42, and can be with
One current feed department 42 forms T-type, and the first electrical connection section 43 can connect in the middle position of the first current feed department 42, so that the first feed
Portion 42 is divided into symmetrical two parts, so as to transmitting radio frequency signal.
T-type feed is convenient for adjusting antenna impedance, for example, the length adjustment impedance of adjustable T-type structure, certainly, the present invention
Current feed department can with electrical connection section be in arbitrary shape.
However, the first current feed department 42 can in the form of sheets (for example, sheet metal), for example, the first current feed department 42 can be with metal portion
Part, for example, it may be the conductive pattern (for example, metal pattern) formed by silk-screen printing.In addition, when in terms of Z-direction, the
The shape of one current feed department 42 can be the shapes such as " l " type, H-type or I type as shown in Figure 7.Flaky first current feed department 42 can
With parallel with the first gap 50.
Specifically, the first electrical connection section 43 may include metal wire, and one end of metal wire can be with the feedback of the first current feed department
Electric point (the first current feed department 42 is preferably divided into two parts by the feeding point) connection, the other end of metal wire can be with mainboard
On radio circuit electrical connection.Specifically, for example, the other end of metal wire can be electrically connected by other electric connectors with mainboard.
First current feed department 42 can have certain thickness, and can have shape corresponding with the first gap 50.Example
Such as, the first current feed department 42 can be in rectangular shape, and can have rectangular section.
The screen that the first gap 50 being formed in metal body can vertically move communication terminal opens up.As shown in figure 3,
When from the side of X-direction viewing mobile communication terminal, the first gap 50 can perpendicular to the screen of mobile communication terminal, first
Current feed department 42 can preferably be arranged in parallel with (not shown) such as the screen of mobile communication terminal, battery, rear covers.However, of the invention
Without being limited thereto, the first current feed department 42 can not be arranged in parallel with (not shown) such as the screens, battery, rear cover of mobile communication terminal,
As long as and being arranged in the first gap 50 when from the side of X-direction viewing mobile communication terminal.
As shown in figure 3, the first current feed department 42 can pass through the side metal that the first gap 50 is plugged in mobile communication terminal
In frame 30, mounting means and state of first current feed department 42 in metal edge frame can be similar to SIM card at mobile communication end
The mounting means and state of the sim card slot in end side portion.
Preferably, Anneta module may also include loading plate 41 (for example, printed circuit board), and loading plate 41 can be by non-gold
Belong to non-metal board made of material, however, the invention is not limited thereto, loading plate 41 can be made of any material, as long as loading plate
41 do not have electric conductivity and electromagnetic wave shielding.
First current feed department 42 can be arranged on loading plate 41, and be arranged in the first gap 50 together with loading plate 41
In.The length of loading plate 41 can be less than the width in the first gap 50 less than the length in the first gap 50,41 thickness of loading plate
Degree.
Loading plate 41 can be and the mutually independent plate of the mainboard of mobile communication terminal, that is to say, that loading plate 41 can be with
It is formed as one in advance with the first current feed department 42 and the first electrical connection section 43 etc., and the first seam can be detachably mounted on
In gap 50.
In addition, the first current feed department 42 can be removably mounted in the first gap 50, and not contacted with metal edge frame.
In addition, the first current feed department 42 can be mounted in the first gap 50 by corresponding bracket (for example, plastic stent), it can also be straight
It connects and is attached to mainboard and is kept fixed.Here plastic stent can also be considered as loading plate 41.
Preferably, the Anneta module of first embodiment according to the present invention may also include Jie being filled in the first gap 50
Electric portion 60 (for example, resin), the first current feed department 42 can be set in dielectric section 60, in addition, the first current feed department 42 can with hold
Support plate 41 is arranged in together in dielectric section 60.
Dielectric section 60 can be formed in the first gap 50 by injection molding, and dielectric section 60 can be used as support portion, for example, being situated between
Electric portion 60 may be used as the support portion of loading plate 41, and in the case where no loading plate 41, dielectric section 60 also is used as the first feedback
The support portion of electric portion 42 or the first electrical connection section 43.
In addition, dielectric section 60 there can be predetermined dielectric constant, the resonance frequency of radiofrequency signal thus can be influenced.Tune can be passed through
The dielectric constant of dielectric section 60 is saved to design different gap sizes.That is, can be normal by the way that the dielectric of dielectric section 60 is arranged
Several and gap size (for example, the length in gap) transmits resonance signal.
According to an embodiment of the invention, Anneta module may also include impedance matching circuit, which can make
The impedance of transmission line is matched with the impedance of antenna holding to prevent stop signal reflection, such as makes the impedance of the current feed department under the environment of gap
It is matched with the impedance of the transmission line of radiofrequency signal holding.Although being not shown in the drawings, impedance matching circuit be can connect
Between current feed department and transmission line, and it can be realized by lc circuit.
When Anneta module is as transmitting antenna module, current direction are as follows: electric current is from the radio circuit on mainboard via biography
Defeated line flow to impedance matching circuit, then the first current feed department 42 is transferred to by the first electrical connection section 43, by the first current feed department
42 are coupled in energy in the first gap 50, and resonance forms electromagnetic field radiation and goes out at the first gap 50.When Anneta module is made
It is opposite when current direction is with transmitting when for receiving antenna module.
When installing Anneta module, (or the first current feed department 42 and dielectric section 60 can be regard as the first current feed department 42 as one
Body) at least one metal edge frame is inserted into (for example, in upper metal edge frame, lower metal edge frame, left metal edge frame and right metal edge frame
At least one) the first gap 50 in, one end of the first electrical connection section 43 can be located inside the first gap 50, the first electrical connection
The other end in portion 43 can be electrically connected with impedance matching circuit.It is not shown, still the first electrical connection section 43 can pass through gold
Belong to elastic slice, buckle or winding displacement etc. to be electrically connected with mainboard.
Fig. 4 is the radiation direction for showing the section XZ of the Anneta module of mobile communication terminal of the first embodiment of the present invention
Figure, Fig. 5 is the antenna pattern for showing the section XY of the Anneta module of mobile communication terminal of the first embodiment of the present invention.
As can be seen from Figure 4 and Figure 5, the main energetic of Anneta module is toward the two sides of mobile communication terminal (near XZ plane)
Radiation.
The opening in the first gap 50 is located at XZ plane in the side of mobile communication terminal, the maximum intensity of Anneta module radiation
Near, and the maximum radiant intensity of traditional upper metal edge frame antenna and lower metal edge frame antenna is located near X/Y plane, this hair
The antenna of bright first embodiment can form the complementary of radiation overlay area with traditional Anneta module.
Fig. 6 be schematically show the mobile communication terminal of second embodiment according to the present invention Anneta module second
The diagram in gap.Fig. 7 is the Anneta module for schematically showing the mobile communication terminal of second embodiment according to the present invention
Main view.
As shown in Figure 6 and Figure 7, the Anneta module of second embodiment according to the present invention may include metal body (metal sheet
Body can include at least at least one metal edge frame of mobile communication terminal), the second gap 80 and the second current feed department 73 and second
Electrical connection section 72, the second gap 80 can be formed in the metal body of mobile communication terminal and be used as radiator, the second feed
Portion 73 can be set in the second gap 80 and can separate with metal edge frame, that is, the second current feed department 73 can not be with metal
Bezel contact.
Second gap 80 can also have an arbitrary shape, and preferably have rectangular section, that is, the opening in the second gap 80 can be with
In rectangle, the length in the second gap 80 can be at least half of the wavelength of the radiofrequency signal of Anneta module transmission, for example, second
The length in gap 80 can be more than or equal to λ/2 (λ is the corresponding waveguide wavelength of operating frequency of antenna), so that RF electric current is in the second seam
Resonance generates radiation field at gap 80, or receives radiofrequency signal.
The width in the second gap 80 can be greater than or equal to 0.4mm, and can be less than the side gold of mobile communication terminal
Belong to the thickness (for example, 4mm) for the part that frame extends towards the front side of mobile communication terminal and rear side.
Second gap 80 can be opened in the upper metal edge frame 10, lower metal edge frame 20 and side metal of mobile communication terminal
In at least one of frame 30 (including left metal edge frame and right metal edge frame).
Preferably, the second gap 80 can be opened in metal body, for example, the side of mobile communication terminal can be provided with
In portion's metal edge frame 30, when watching from Z-direction, side metal edge frame 30 can have certain width.That is, side is golden
Belong to frame 30 other than the side metal edge frame watched from X-direction, a part of metal edge frame 30 can extend internally, example
Such as, side metal edge frame 30 can be integrally formed with the rear cover of entire mobile communication terminal.
Metal body in the application may include at least one metal edge frame and extend from least one metal edge frame
Part.
As shown in fig. 7, the second gap 80 can be provided with metal sheet along the direction parallel with the screen of mobile communication terminal
In body.Second current feed department 73 can have the structure similar with the first current feed department 42.
For example, the second current feed department 73 can be preferably whole with mobile communication as shown in fig. 7, the second current feed department 73 can in the form of sheets
The screen vertical at end is arranged.Second current feed department 73 can be with 80 couple feed of the second gap.Flaky second current feed department 73 can
With parallel with the second gap 80.
The Anneta module of second embodiment according to the present invention can also include by material identical with the second current feed department 73
The second electrical connection section 72 formed, and the second electrical connection section 72 can be formed as one with the second current feed department 73.For example, second
Electrical connection section 72 can be vertical with the second current feed department 73, and can form T-type, the second electrical connection section 72 with the second current feed department 73
It can connect in the middle position of the second current feed department 73, so that the second current feed department 73 is divided into symmetrical two parts, to pass
Defeated radiofrequency signal.
Specifically, the second electrical connection section 72 may include metal wire, and one end of metal wire can be with the second current feed department 72
Feeding point (the second current feed department 73 is preferably divided to for two parts by the feeding point) connects, on the other end and mainboard of metal wire
Radio circuit electrical connection.
In addition, as described in Figure 7, the second electrical connection section 72 may include thimble, and one end of thimble can be with the second current feed department
The other end of 73 feed point contact, thimble can be electrically connected with the radio circuit on mainboard.
In the case where realizing that the second current feed department is electrically connected with mainboard by thimble, extra metal wire be can be omitted, that is,
Current feed department 72 can be thimble.It is directly contacted via thimble with feeding point, connection type is simple and reliable.In addition, being additionally arranged
In the case where metal wire, antenna impedance can be adjusted by adjusting the length of metal wire, to be conducive to impedance matching.
Second current feed department 73 can be metal parts, for example, it may be the conductive pattern (example formed by silk-screen printing
Such as, metal pattern), the second current feed department 73 can have certain thickness, and can have shape corresponding with the second gap 80
Shape.
For example, the second current feed department 73 in the form of sheets, and can have rectangular section.In addition, as shown in fig. 7, working as from X-direction
When seeing, the shape of the first current feed department 42 can be the shapes such as " l " type, H-type or I type as shown in Figure 7.Second feedback of H-type, I type
Electric portion 73 can improve the radiance of antenna.Second current feed department 73 can preferably in the second gap 80 with two on the face X-Z
Metal covering forms coupling surface.That is, the second current feed department 73 can be arranged preferably with the screen vertical of mobile communication terminal.
As shown in fig. 6, the opening mode in first gap 50 in the second gap 80 and first embodiment of second embodiment is not
Together.Second gap 80 of second embodiment is open along the direction parallel with screen.
As described above, side metal edge frame 30 can have certain width, side metal edge frame when watching from Z-direction
30 a part can extend internally, that is, side metal edge frame 30 may include each extending over as in face of the front side of mobile communication terminal
With the extension metal edge frame of rear side, the second gap 80, which can be symmetrically formed at, to be extended in metal edge frame, and the second current feed department 73 can
To be mounted in the second gap 80, the second current feed department 73 can be arranged preferably with the screen vertical of mobile communication terminal.
Extending metal edge frame can be covered by the rear cover of the screen of mobile communication terminal or mobile communication terminal, this
In the case of, extend a part that metal edge frame can also be considered as metallic support or metal body mentioned above.In other words, symmetrically
Ground is formed in two gaps extended in metal edge frame and is covered respectively by the screen of mobile communication terminal and rear cover, therefore can change
Kind appearance.At this point, rear cover is preferably made of nonmetallic materials (for example, plastics or ceramics).
Second current feed department 73 can pass through the second gap 80 and be plugged in metal body.For example, the second current feed department 73 can be with
It is plugged in the metal edge frame of mobile communication terminal along the second gap 80 is passed through with the direction of screen vertical.
For example, the second current feed department 73 can be removably mounted in the second gap 80.In addition, the second current feed department 73 can be with
It is mounted in the second gap 80 by corresponding bracket (for example, plastic stent), and mainboard can also be attached directly to and keep solid
It is fixed.
Preferably, the Anneta module of second embodiment according to the present invention may also include loading plate (for example, unshowned print
Printed circuit board), the second current feed department 73 can be arranged on loading plate, and be arranged in the second gap 80 together with loading plate.
As described above, loading plate can be the non-metal board made of nonmetallic materials, however, the invention is not limited thereto, loading plate can
It is made of the material of any material, as long as loading plate does not have electric conductivity and electromagnetic wave shielding.
Loading plate can be and the mutually independent plate of the mainboard of mobile communication terminal, that is to say, that loading plate can be preparatory
It is formed as one, is removably mounted in the second gap 80 with the second current feed department and the second electrical connection section etc..
Preferably, the Anneta module of second embodiment according to the present invention may also include Jie being filled in the second gap 80
Electric portion 60 (for example, resin), the second current feed department 73 can be set in dielectric section 60, as shown in Figure 7.
Dielectric section 60 can be formed in the second gap 80 by injection molding, and dielectric section 60 can be used as support portion, for example, being situated between
Electric portion 60 may be used as the support portion of loading plate, in the case where no loading plate, dielectric section 60 also be used as current feed department or
The support portion of electrical connection section.
In addition, dielectric section 60 there can be predetermined dielectric constant, the resonance frequency of radiofrequency signal thus can be influenced.Tune can be passed through
The dielectric constant of dielectric section 60 is saved to design different gap sizes.That is, can be normal by the way that the dielectric of dielectric section 60 is arranged
Several and gap size (for example, the length in gap) transmits resonance signal.
Similar with first embodiment, second embodiment according to the present invention Anneta module may also comprise impedance matching circuit,
The impedance matching circuit can be such that the impedance of transmission line matches with the impedance of antenna holding to prevent stop signal reflection, such as make gap
The impedance holding of the transmission line of the impedance and radiofrequency signal of current feed department under environment matches.Although being not shown in the drawings, resistance
Anti- match circuit can connect between electrical connection section (for example, thimble) and transmission line, and can be realized by lc circuit.
Therefore, when Anneta module works, current direction are as follows: when Anneta module is as transmitting antenna module, electric current is from master
Radio circuit on plate passes through impedance matching circuit via transmission line, is then transferred to the second current feed department using thimble, via
Energy is coupled in the second gap 80 by the second current feed department, and resonance forms electromagnetic field radiation and goes out at the second gap 80.The same day
It is opposite when current direction is with transmitting when wire module is as receiving antenna module.
In addition, when seated, it can be by the second current feed department 73 (or by second current feed department 73 and dielectric section 60 as one)
From the second gap 80 that the front side of mobile communication terminal or rear side insertion extend metal edge frame, one end of thimble can be located at
Second gap, 80 inside is simultaneously electrically connected with the second current feed department 73, and the other end can be electrically connected with impedance matching circuit.
Fig. 8 is the radiation direction for showing the section XZ of the Anneta module of mobile communication terminal of the second embodiment of the present invention
Figure, Fig. 9 is the antenna pattern for showing the section XY of the Anneta module of mobile communication terminal of the second embodiment of the present invention.
The opening in the second gap 80 is along Z-direction, so electromagnetic wave main lobe direction is along+Z and -Z direction.
It can be seen that the main energetic of Anneta module toward screen and rear cover both direction from the antenna pattern of Fig. 8 and Fig. 9
(+Z and -Z direction) radiation, the energy very little on X/Y plane, so the mainboard and metallic support that are located on X/Y plane are to antenna
Radiance influences very little, and there is no need to reserve specific empty regions in the region.
According to an embodiment of the invention, opening up gap in metal edge frame, the coupling of current feed department and gap is believed via radio frequency
Resonance number at gap realizes energy transmission.
According to an embodiment of the invention, gap can be formed at least one metal edge frame of mobile communication terminal, thus
New antenna area can be opened up.
The Anneta module of embodiment according to the present invention is convenient for batch production and quickly and easily installs.
The foregoing is merely the preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto, any
The change or replacement that those familiar with the art is readily apparent that in the technical scope disclosed by the present invention, should all cover
Within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.