CN104752811A - Antenna and wireless receiving circuit - Google Patents
Antenna and wireless receiving circuit Download PDFInfo
- Publication number
- CN104752811A CN104752811A CN201310744008.4A CN201310744008A CN104752811A CN 104752811 A CN104752811 A CN 104752811A CN 201310744008 A CN201310744008 A CN 201310744008A CN 104752811 A CN104752811 A CN 104752811A
- Authority
- CN
- China
- Prior art keywords
- antenna
- mode
- portable terminal
- predetermined
- matching circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Abstract
The invention discloses an antenna and a wireless receiving circuit. The antenna made of a metal material is designed to work normally in either a stretching state or a closed state, so that the antenna can be used as the antenna and a support structure in the stretching state. The antenna and the wireless receiving circuit are applied to a portable terminal device; the first end of the antenna is connected with the input end of the first antenna in the portable terminal device; the antenna operates in one of a first working mode and a second working mode; in the first working mode, the antenna is fitted on the shell of the portable terminal device to be in the closed state; in addition, the second end of the antenna is connected with the input end of the second antenna of the portable terminal device; besides, in the second working mode, the antenna is in the stretching state at a first included angle with the housing of the portable terminal device.
Description
Technical field
The present invention relates to reception of wireless signals technical field, and relate more specifically to a kind of antenna and wireless receiving circuit.
Background technology
At present, many mobile phones have been had to employ supporting structure to provide support function.If this supporting structure is metal material, when it is paid (namely opening) and is closed, can make a big impact to the antenna around it, common Antenna Design can only ensure that antenna can normally work under support is in a kind of state, and under support is in another kind of state, antenna then cannot normally work.
If passed through the supporting structure of metal material away from metallic support, although supporting structure can be avoided the interference of antenna, but but significantly limit the installation site of support and the installation site of antenna, thus may, by support and astronomical cycle in comparatively ideal position, cause antenna receptivity to decline.
On the other hand, if this supporting structure is non-metallic material, the support strength thus cause not only reducing supporting structure supports unstable, but also reduces the texture of supporting structure and attractive in appearance and and then reduce the overall texture of mobile phone and attractive in appearance.
Therefore, a kind of technical scheme supporting structure and antenna are effectively combined is needed.
Summary of the invention
In order to solve the problems of the technologies described above, the invention provides a kind of antenna and wireless receiving circuit, its by by the Antenna Design of metal material for not only lower normal work but also can normally work in closed state can be being done well, thus make not only to be used as antenna but also be used as supporting structure when antenna is in and props up and do well, meet the multiple demand of mobile phone thus.
According to an aspect of the present invention, provide a kind of antenna, be applied in portable terminal, its first end is connected with the first antenna input in described portable terminal, described antenna operation is in one of the first mode of operation and the second mode of operation, in this first operative mode, to be in closure state on the shell that described antenna fits in described portable terminal, and the second end of described antenna is connected with the second antenna input of described portable terminal; And under described second mode of operation, the shell of described antenna and described portable terminal has the first angle to be in open mode.
In one example, under described second mode of operation, described antenna is also used as the support of described portable terminal, to be supported by described portable terminal.
In one example, described first mode of operation is printing inverted F shaped antenna mode of operation, and described second mode of operation is monopole antenna mode of operation.
In one example, the first antenna-matching circuit is included in described portable terminal, the first end of described first antenna-matching circuit connects the first antenna input in described portable terminal, described first antenna-matching circuit has at least one predetermined matched impedance, wherein, for predetermined work frequency band, described antenna is connected with one of at least one predetermined matched impedance described, thus described antenna reaches predetermined strength threshold value at the signal receiving strength of described predetermined work frequency band.
In one example, the second antenna-matching circuit is also included in described portable terminal, the first end of described second antenna-matching circuit connects the second antenna input in described portable terminal, second end ground connection of described second antenna-matching circuit, described second antenna-matching circuit has at least one predetermined matched impedance, wherein, when described antenna is in the first mode of operation, second end of described antenna is connected with the first end of described second antenna-matching circuit, and be connected with one of at least one predetermined matched impedance described, thus the mode of operation of the impedance ground of described antenna and described antenna is matched.
According to a further aspect of the invention, provide a kind of wireless receiving circuit, be applied in portable terminal, comprise: antenna, it is placed on the shell of described portable terminal; First antenna-matching circuit, its first end is connected with the first end of described antenna and the second end is connected with the signal processing circuit in described portable terminal; And second antenna-matching circuit, its the second end ground connection, wherein, described antenna operation is in one of the first mode of operation and the second mode of operation, in this first operative mode, to be in closure state on the shell that described antenna fits in described portable terminal, and the second end of described antenna is connected with the first end of described second antenna-matching circuit; And under described second mode of operation, the shell of described antenna and described portable terminal has the first angle to be in open mode.
In one example, under described second mode of operation, described antenna is also used as the support of described portable terminal, to be supported by described portable terminal.
In one example, described first mode of operation is printing inverted F shaped antenna mode of operation, and described second mode of operation is monopole antenna mode of operation.
In one example, described first antenna-matching circuit have at least one predetermined matched impedance with by described tested rotating platform at least one predetermined work frequency band, wherein said first antenna-matching circuit has at least one sub-match circuit, wherein every sub-match circuit have corresponding predetermined matched impedance with by described tested rotating platform to corresponding predetermined work frequency band, wherein, for each predetermined work frequency band, described antenna is connected with corresponding sub-match circuit, and be connected with corresponding predetermined matched impedance, thus described antenna reaches the predetermined strength threshold value of described predetermined work frequency band at the signal receiving strength of described predetermined work frequency band.
In one example, for one of at least one predetermined work frequency band described, in this first operative mode, described first antenna-matching circuit has the first predetermined matched impedance, make described antenna reach the first predetermined strength threshold value at the signal receiving strength of described predetermined work frequency band in a first operation mode, thus described antenna is adjusted to described predetermined work frequency band in a first operation mode; Under described second mode of operation, described first antenna-matching circuit has the second predetermined matched impedance, make described antenna reach each predetermined work frequency band of the second predetermined strength threshold value at the signal receiving strength of described predetermined work frequency band in the second operation mode, thus described antenna is adjusted to described predetermined work frequency band in the second operation mode.
In one example, in this first operative mode, described second antenna-matching circuit provides the ground connection matched impedance of described antenna.
In one example, described second antenna-matching circuit has at least one predetermined matched impedance, when described antenna is in the first mode of operation, second end of described antenna is connected with one of at least one predetermined matched impedance described, thus the mode of operation of the impedance ground of described antenna and described antenna is matched.
In one example, at least one predetermined matched impedance that described antenna utilizes described first antenna-matching circuit to provide, for receiving at least one in WiFi signal, gps signal, BlueTooth signal.
In one example, described antenna be positioned at described portable terminal bonnet on or on edge.
Adopt according to antenna of the present invention and wireless receiving circuit, by making antenna respectively under expenditure (opening) state and under closure state, there is different circuit connection structures, thus make antenna under expenditure (opening) state and the signal of predetermined work frequency band under closure state, can both be received well, make antenna not only can be used as antenna but also can support be used as under expenditure (opening) state thus.
Other features and advantages of the present invention will be set forth in the following description, and, partly become apparent from specification, or understand by implementing the present invention.Object of the present invention and other advantages realize by structure specifically noted in specification, claims and accompanying drawing and obtain.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and forms a part for specification, together with embodiments of the present invention for explaining the present invention, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 illustrates the schematic appearance of the portable terminal of the antenna applied according to the embodiment of the present invention;
Fig. 2 illustrates the circuit block diagram of the antenna Equivalent conjunction in a first operation mode according to the embodiment of the present invention;
Fig. 3 illustrates the circuit block diagram of the antenna Equivalent conjunction in the second operation mode according to the embodiment of the present invention; And
Fig. 4 illustrates the schematic block diagram of the wireless receiving circuit according to the embodiment of the present invention.
Embodiment
Describe in detail with reference to the accompanying drawings according to each embodiment of the present invention.Here it is to be noted that it in the accompanying drawings, identical Reference numeral is given there is identical or similar structures and function part substantially, and the repeated description of will omit about them.
As shown in Figure 1, the schematic appearance of the portable terminal of the antenna applied according to the embodiment of the present invention is shown.Particularly, schematic appearance when being in closure state according to the antenna of the embodiment of the present invention is shown in (A) of Fig. 1, has illustrated in (B) of Fig. 1 and be in schematic appearance when opening (expenditure) state according to the antenna of the embodiment of the present invention.
Antenna according to the embodiment of the present invention can be applied in portable terminal, and described portable terminal can be smart mobile phone, panel computer, personal digital assistant etc.As shown in Figure 1, be connected with the first antenna input A ' in described portable terminal according to the first end A of the antenna of the embodiment of the present invention, the second end B of described antenna can be connected with the second antenna input B ' in described portable terminal or also can floating as required.
According to the antenna of the embodiment of the present invention according to its different conditions, such as, open (expenditure) state or closure state, can operate in different mode of operations, such as the first mode of operation or the second mode of operation.In other words, according to the antenna of the embodiment of the present invention position relationship according to itself and described portable terminal, can operate in one of the first mode of operation and the second mode of operation.
Such as, in this first operative mode, to be in closure state on the shell that described antenna fits in described portable terminal, under this closure state, the first end A of described antenna is connected with the first antenna input A ' of described portable terminal, and the second end B of described antenna is connected with the second antenna input B ' of described portable terminal.
On the other hand, such as, under described second mode of operation, the shell of described antenna and described portable terminal has the first angle to be in open mode, under this open mode, the first end A of described antenna is connected with the first antenna input A ' of described portable terminal, and the second end B of described antenna is floating.
Under described second mode of operation, namely when the shell of described antenna and described portable terminal has the first angle to be in open mode, described antenna can also be used as the support of described portable terminal, so that described portable terminal is supported, as shown in (C) in Fig. 1.
Such as, as shown in (C) in Fig. 1, described antenna can be arranged in the one end at the back of portable terminal, when described portable terminal supports by the support that described antenna is used as described portable terminal, under the viewing application scenarios such as video, browsing page, user is without the need to hand-held described portable terminal again, thus improves Consumer's Experience.
In addition, such as, at the other end of described portable terminal, such as at the back of the other end of described portable terminal or on the edge of the other end of described portable terminal, projector equipment can be arranged, thus when described portable terminal supports by the support that described antenna is used as described portable terminal, displaying contents can project on the projection carrier of described portable terminal outside by described portable terminal, and described projection carrier can be such as on metope, desktop, projection cloth, blank etc.
In addition, such as, at the other end of described portable terminal, such as in the front of the other end of described portable terminal, camera can be arranged, thus when described portable terminal supports by the support that described antenna is used as described portable terminal, described camera can take the image of the user of described portable terminal, and without the need to the hand-held described portable terminal of user.In the case, user can carry out the video interactive such as video calling, Video chat expediently.
According to the embodiment of the present invention, described antenna is metal material, is advantageously coated with protective paint or plastic housing in described antenna outside.
According to the embodiment of the present invention, under described second mode of operation, namely the shell of described antenna and described portable terminal has the first angle to be in open mode, described antenna can be set to monopole antenna, such as 1/4 wavelength mono-pole sub antenna, or other form can be set to as required.
In addition, in this first operative mode, namely described antenna is in closure state, because the input impedance when closed of described antenna sharply declines, if described antenna is set to monopole antenna, then described antenna cannot normally work, therefore according to the embodiment of the present invention, in this first operative mode, second end of described antenna is connected with the earth point on described portable terminal by suitable ground structure, described antenna to be set to printing inverted F shaped antenna (PIFA), loop aerial (Loop) or other respective antenna, thus can normally work when ensureing that described antenna is fitted on described portable terminal.
Correspondingly, according to the embodiment of the present invention, described first mode of operation can be printing inverted F shaped antenna mode of operation, and described second mode of operation can be monopole antenna mode of operation.
In order to make, according to the antenna of the embodiment of the present invention, there is good signal receiving performance, need to include the first antenna-matching circuit 1 in described portable terminal, as shown in Figures 2 and 3, described first antenna-matching circuit 1 is connected with the first end A of described antenna to provide matched impedance so that by described tested rotating platform to the working band of wishing to operate for described antenna.Such as, described working band can be WiFi frequency band, GPS frequency band or bluetooth (Bluetooth) frequency band.Certainly, the present invention is not limited thereto, described working band can also be adjusted to other frequency band.
Such as, the first end of described first antenna-matching circuit 1 connects the first antenna input A ' in described portable terminal, described first antenna-matching circuit 1 have at least one predetermined matched impedance with by described tested rotating platform at least one predetermined work frequency band.
For arbitrary predetermined work frequency band, described antenna is connected with the predetermined matched impedance corresponding to described predetermined work frequency band, thus described antenna reaches predetermined strength threshold value at the signal receiving strength of described predetermined work frequency band.Can as required, for each predetermined work frequency band arranges its corresponding predetermined strength threshold value respectively.
On the other hand, as previously mentioned, can normally work in this first operative mode to make described antenna, described portable terminal also needs to include the second antenna-matching circuit 2, as shown in Figure 2, described second antenna-matching circuit 2 is connected to provide suitable ground connection matched impedance with the second end B of described antenna, makes the second end B of described antenna be connected with the earth point on described portable terminal by suitable ground structure.
Such as, the first end of described second antenna-matching circuit 2 connects the second antenna input B ' in described portable terminal, second end ground connection of described second antenna-matching circuit 2, described second antenna-matching circuit 2 provides the ground connection matched impedance of described antenna.
Particularly, described second antenna-matching circuit has at least one predetermined matched impedance, when described antenna is in the first mode of operation, second end of described antenna is connected with one of at least one predetermined matched impedance described, thus the mode of operation of the impedance ground of described antenna and described antenna is matched.As required, at least one the predetermined matched impedance in described second antenna-matching circuit can be set, thus the length of adjustment ground structure and characteristic, and the impedance ground of described antenna and its input impedance are matched.
Next, describe the wireless receiving circuit according to the embodiment of the present invention with reference to Fig. 4, the wireless receiving circuit according to the embodiment of the present invention can be applied in portable terminal.
As shown in Figure 4, described wireless receiving circuit can comprise antenna, the first antenna-matching circuit 1 and the second antenna-matching circuit 2.
Described antenna is placed on the shell of described portable terminal, and comprises first end A and the second end B.Advantageously, described antenna can be placed in one end of the back skin of described portable terminal, or described antenna can be placed on an edge of described portable terminal surrounding.Advantageously, to be in closure state on the shell that described antenna can fit in described portable terminal, or described antenna can rotatably open so that the body bearing of trend of described portable terminal at an angle.
Shown in figure 1, the first end A of antenna is connected with the first antenna input A ' in described portable terminal, and the second end B of described antenna can be connected with the second antenna input B ' in described portable terminal or also can floating as required.
The first end of described first antenna-matching circuit 1 can be used as the first antenna input A ' in described portable terminal or be connected with the first antenna input A ' in described portable terminal, therefore, the described first end of the first antenna-matching circuit 1 is connected with the first end A of described antenna and the second end is connected with the signal processing circuit in described portable terminal.At this, in order to not obscure technical solution of the present invention, no longer describing described signal processing circuit and how the radiofrequency signal received being processed.
Second end ground connection of described second antenna-matching circuit 2, and the first end of described second antenna-matching circuit 2 can be used as the second antenna input B ' in described portable terminal or be connected with the second antenna input B ' in described portable terminal, therefore, as required, second end B of described antenna can be connected with the first end of described second antenna-matching circuit 2, or can be floating.
According to the embodiment of the present invention, described antenna is according to its different conditions, and such as open mode or closure state, can operate in different mode of operations, such as the first mode of operation or the second mode of operation.In other words, according to the antenna of the embodiment of the present invention position relationship according to itself and described portable terminal, can operate in one of the first mode of operation and the second mode of operation.
In this first operative mode, to be in closure state on the shell that described antenna fits in described portable terminal, under this closure state, the first end A of described antenna is connected with the first antenna input A ' of described portable terminal, and the second end B of described antenna is connected with the second antenna input B ' of described portable terminal.
Under described second mode of operation, the shell of described antenna and described portable terminal has the first angle to be in open mode, under this open mode, the first end A of described antenna is connected with the first antenna input A ' of described portable terminal, and the second end B of described antenna is floating.
Under described second mode of operation, namely when the shell of described antenna and described portable terminal has the first angle to be in open mode, described antenna can also be used as the support of described portable terminal, so that described portable terminal is supported, as shown in (C) in Fig. 1.
According to the embodiment of the present invention, described antenna is metal material, is advantageously coated with protective paint or plastic housing in described antenna outside.
According to the embodiment of the present invention, under described second mode of operation, namely the shell of described antenna and described portable terminal has the first angle to be in open mode, described antenna can be set to monopole antenna, such as 1/4 wavelength mono-pole sub antenna, or other form can be set to as required.
In addition, in this first operative mode, namely described antenna is in closure state, because the input impedance when closed of described antenna sharply declines, if described antenna is set to monopole antenna, then described antenna cannot normally work, therefore according to the embodiment of the present invention, in this first operative mode, second end of described antenna is connected with the earth point on described portable terminal by suitable ground structure, described antenna to be set to printing inverted F shaped antenna (PIFA), loop aerial (Loop) or other respective antenna, thus can normally work when ensureing that described antenna is fitted on described portable terminal.
Correspondingly, according to the embodiment of the present invention, described first mode of operation can be printing inverted F shaped antenna mode of operation, and described second mode of operation can be monopole antenna mode of operation.
In order to make, according to the antenna of the embodiment of the present invention, there is good signal receiving performance, need to include the first antenna-matching circuit 1 in described portable terminal, as shown in Figures 2 and 3, described first antenna-matching circuit 1 is connected with the first end A of described antenna to provide matched impedance so that by described tested rotating platform to the working band of wishing to operate for described antenna.Such as, described working band can be WiFi frequency band, GPS frequency band or bluetooth (Bluetooth) frequency band.Certainly, the present invention is not limited thereto, described working band can also be adjusted to other frequency band.
Such as, the first end of described first antenna-matching circuit 1 connects the first antenna input A ' in described portable terminal, described first antenna-matching circuit 1 have at least one predetermined matched impedance with by described tested rotating platform at least one predetermined work frequency band.
According in the wireless receiving circuit of the embodiment of the present invention, described first antenna-matching circuit have at least one predetermined matched impedance with by described tested rotating platform at least one predetermined work frequency band, wherein said first antenna-matching circuit has at least one sub-match circuit, wherein every sub-match circuit have corresponding predetermined matched impedance with by described tested rotating platform to corresponding predetermined work frequency band, for each predetermined work frequency band, described antenna is connected with corresponding sub-match circuit and is connected with corresponding predetermined matched impedance, thus described antenna reaches the predetermined strength threshold value of described predetermined work frequency band at the signal receiving strength of described predetermined work frequency band.As required, for each predetermined work frequency band, its corresponding predetermined strength threshold value can be set.
Such as, at least one predetermined work frequency band described can comprise at least one in WiFi working band, GPS working band and Bluetooth working band, corresponding with at least one predetermined work frequency band described, described at least one sub-match circuit can comprise at least one in WiFi match circuit, GPS match circuit and Bluetooth match circuit.Correspondingly, at least one predetermined matched impedance that described antenna utilizes described first antenna-matching circuit to provide, for receiving at least one in WiFi signal, gps signal, BlueTooth signal.
Such as, every sub-match circuit has a predetermined matched impedance.Particularly, WiFi match circuit have predetermined WiFi matched impedance with by described tested rotating platform to described WiFi working band, namely make described antenna have good reception at described WiFi working band, namely described antenna reaches the predetermined strength threshold value of described WiFi working band at the signal receiving strength of described WiFi working band; Described GPS match circuit have predetermined GPS matched impedance with by described tested rotating platform to described GPS working band, namely make described antenna have good reception at described GPS working band, namely described antenna reaches the predetermined strength threshold value of described GPS working band at the signal receiving strength of described GPS working band; Described Bluetooth match circuit have predetermined Bluetooth matched impedance with by described tested rotating platform to described Bluetooth working band, namely make described antenna have good reception at described Bluetooth working band, namely described antenna reaches the predetermined strength threshold value of described Bluetooth working band at the signal receiving strength of described Bluetooth working band.
Again such as, every sub-match circuit has two predetermined matched impedances.For predetermined work frequency band, in this first operative mode, described first antenna-matching circuit has the first predetermined matched impedance, so that described antenna is adjusted to described predetermined work frequency band in a first operation mode, namely described antenna reaches the first predetermined strength threshold value of described predetermined work frequency band at the signal receiving strength of described predetermined work frequency band; Under described second mode of operation, described first antenna-matching circuit has the second predetermined matched impedance, so that described antenna is adjusted to described predetermined work frequency band in the second operation mode, namely described antenna reaches the second predetermined strength threshold value of described predetermined work frequency band at the signal receiving strength of described predetermined work frequency band.Can as required, arrange the first and second predetermined strength threshold values under two kinds of mode of operations, the first and second predetermined strength threshold values can be identical or different.
Particularly, WiFi match circuit can have two predetermined WiFi matched impedances, wherein when described antenna is in the first operator scheme, described WiFi match circuit can provide the first predetermined WiFi matched impedance, and described WiFi match circuit can provide the second predetermined WiFi matched impedance when described antenna is in the second operator scheme, thus make described antenna have good reception at described WiFi working band, namely described antenna reaches the predetermined strength threshold value (can be respectively the first predetermined strength threshold value under the first operator scheme and the second predetermined strength threshold value under the second operator scheme) of described WiFi working band at the signal receiving strength of WiFi working band, described GPS match circuit can have two predetermined GPS matched impedances, wherein when described antenna is in the first operator scheme, described GPS match circuit can provide the first predetermined GPS matched impedance, and described GPS match circuit can provide the second predetermined GPS matched impedance when described antenna is in the second operator scheme, thus make described antenna have good reception at described GPS working band, namely described antenna reaches the predetermined strength threshold value (can be respectively the first predetermined strength threshold value under the first operator scheme and the second predetermined strength threshold value under the second operator scheme) of described GPS working band at the signal receiving strength of GPS working band, described Bluetooth match circuit can have two predetermined Bluetooth matched impedances, wherein when described antenna is in the first operator scheme, described Bluetooth match circuit can provide the first predetermined Bluetooth matched impedance, and described Bluetooth match circuit can provide the second predetermined Bluetooth matched impedance when described antenna is in the second operator scheme, thus make described antenna have good reception at described Bluetooth working band, namely described antenna reaches the predetermined strength threshold value (can be respectively the first predetermined strength threshold value under the first operator scheme and the second predetermined strength threshold value under the second operator scheme) of described Bluetooth working band at the signal receiving strength of Bluetooth working band.
In this embodiment, described wireless receiving circuit can also have detection part, is in the first operator scheme or the second operator scheme to detect described antenna.Described detection part can be contact, shell fragment etc.
Alternatively, every sub-match circuit has multiple predetermined matched impedance.In the case, signal processing circuit in described portable terminal can provide the selection signal of described multiple predetermined matched impedance according to signal receiving strength during each predetermined matched impedance of access, should access which predetermined matched impedance under indicating current environment.Every sub-match circuit in described wireless receiving circuit can select one of described multiple predetermined matched impedance according to this selection signal.
Preferably, described at least one sub-match circuit in described first antenna-matching circuit can be parallel-connected to described antenna simultaneously, thus makes described antenna can operate at least one predetermined work frequency band described simultaneously; Or one of described at least one sub-match circuit in alternatively described first antenna-matching circuit is connected to described antenna, thus makes described antenna only operate in a predetermined work frequency band; Or the part (multiple) in described at least one the sub-match circuit in alternatively described first antenna-matching circuit can be parallel-connected to described antenna simultaneously, thus make described antenna can operate in multiple predetermined work frequency bands at least one predetermined work frequency band described simultaneously.
On the other hand, as previously mentioned, can normally work in this first operative mode to make described antenna, described portable terminal also needs to include the second antenna-matching circuit 2, as shown in Figure 2, described second antenna-matching circuit 2 is connected to provide suitable ground connection matched impedance with the second end B of described antenna, makes the second end B of described antenna be connected with the earth point on described portable terminal by suitable ground structure.
Such as, the first end of described second antenna-matching circuit 2 connects the second antenna input B ' in described portable terminal, second end ground connection of described second antenna-matching circuit 2, described second antenna-matching circuit provides the ground connection matched impedance of described antenna.
Particularly, described second antenna-matching circuit has at least one predetermined matched impedance, when described antenna is in the first mode of operation, second end of described antenna is connected with one of at least one predetermined matched impedance described, thus the mode of operation of the impedance ground of described antenna and described antenna is matched.As required, at least one the predetermined matched impedance in described second antenna-matching circuit can be set, thus the length of adjustment ground structure and characteristic, and the impedance ground of described antenna and its input impedance are matched.
According to antenna and the wireless receiving circuit of the embodiment of the present invention, by making antenna respectively under expenditure (opening) state and under closure state, there is different circuit connection structures, thus make antenna under expenditure (opening) state and the signal of predetermined work frequency band under closure state, can both be received well, make antenna not only can be used as antenna but also can support be used as under expenditure (opening) state thus.。
Through the above description of the embodiments, those skilled in the art can be well understood to the mode that the present invention can add required hardware platform by means of software and realize, and can certainly all be implemented by hardware.
Each embodiment of the present invention is described in detail above.But, it should be appreciated by those skilled in the art that without departing from the principles and spirit of the present invention, various amendment can be carried out to these embodiments, combination or sub-portfolio, and such amendment should fall within the scope of the present invention.
Claims (14)
1. an antenna, is applied in portable terminal, and its first end is connected with the first antenna input in described portable terminal, described antenna operation in one of the first mode of operation and the second mode of operation,
In this first operative mode, to be in closure state on the shell that described antenna fits in described portable terminal, and the second end of described antenna is connected with the second antenna input of described portable terminal; And
Under described second mode of operation, the shell of described antenna and described portable terminal has the first angle to be in open mode.
2. antenna as claimed in claim 1, wherein, under described second mode of operation, described antenna is also used as the support of described portable terminal, to be supported by described portable terminal.
3. antenna as claimed in claim 1, wherein, described first mode of operation is printing inverted F shaped antenna mode of operation, and described second mode of operation is monopole antenna mode of operation.
4. antenna as claimed in claim 1, wherein, the first antenna-matching circuit is included in described portable terminal, the first end of described first antenna-matching circuit connects the first antenna input in described portable terminal, described first antenna-matching circuit has at least one predetermined matched impedance, wherein
For predetermined work frequency band, described antenna is connected with one of at least one predetermined matched impedance described, thus described antenna reaches predetermined strength threshold value at the signal receiving strength of described predetermined work frequency band.
5. antenna as claimed in claim 1, wherein, the second antenna-matching circuit is also included in described portable terminal, the first end of described second antenna-matching circuit connects the second antenna input in described portable terminal, second end ground connection of described second antenna-matching circuit, described second antenna-matching circuit has at least one predetermined matched impedance, wherein
When described antenna is in the first mode of operation, second end of described antenna is connected with the first end of described second antenna-matching circuit, and be connected with one of at least one predetermined matched impedance described, thus the mode of operation of the impedance ground of described antenna and described antenna is matched.
6. a wireless receiving circuit, is applied in portable terminal, comprises:
Antenna, it is placed on the shell of described portable terminal;
First antenna-matching circuit, its first end is connected with the first end of described antenna and the second end is connected with the signal processing circuit in described portable terminal; And
Second antenna-matching circuit, its second end ground connection,
Wherein, described antenna operation in one of the first mode of operation and the second mode of operation,
In this first operative mode, to be in closure state on the shell that described antenna fits in described portable terminal, and the second end of described antenna is connected with the first end of described second antenna-matching circuit; And
Under described second mode of operation, the shell of described antenna and described portable terminal has the first angle to be in open mode.
7. wireless receiving circuit as claimed in claim 6, wherein, under described second mode of operation, described antenna is also used as the support of described portable terminal, to be supported by described portable terminal.
8. wireless receiving circuit as claimed in claim 6, wherein, described first mode of operation is printing inverted F shaped antenna mode of operation, and described second mode of operation is monopole antenna mode of operation.
9. wireless receiving circuit as claimed in claim 6, wherein,
Described first antenna-matching circuit have at least one predetermined matched impedance with by described tested rotating platform at least one predetermined work frequency band, wherein said first antenna-matching circuit has at least one sub-match circuit, wherein every sub-match circuit have corresponding predetermined matched impedance with by described tested rotating platform to corresponding predetermined work frequency band
Wherein, for each predetermined work frequency band, described antenna is connected with corresponding sub-match circuit, and is connected with corresponding predetermined matched impedance, thus described antenna reaches the predetermined strength threshold value of described predetermined work frequency band at the signal receiving strength of described predetermined work frequency band.
10. wireless receiving circuit as claimed in claim 6, wherein, for one of at least one predetermined work frequency band described,
In this first operative mode, described first antenna-matching circuit has the first predetermined matched impedance, makes described antenna reach the first predetermined strength threshold value at the signal receiving strength of described predetermined work frequency band in a first operation mode;
Under described second mode of operation, described first antenna-matching circuit has the second predetermined matched impedance, makes described antenna reach the second predetermined strength threshold value at the signal receiving strength of described predetermined work frequency band in the second operation mode.
11. wireless receiving circuits as claimed in claim 6, wherein, in this first operative mode, described second antenna-matching circuit provides the ground connection matched impedance of described antenna.
12. wireless receiving circuits as claimed in claim 11, wherein, described second antenna-matching circuit has at least one predetermined matched impedance, when described antenna is in the first mode of operation, second end of described antenna is connected with one of at least one predetermined matched impedance described, thus the mode of operation of the impedance ground of described antenna and described antenna is matched.
13. wireless receiving circuits as claimed in claim 9, wherein, at least one predetermined matched impedance that described antenna utilizes described first antenna-matching circuit to provide, for receiving at least one in WiFi signal, gps signal, BlueTooth signal.
14. wireless receiving circuits as claimed in claim 6, wherein, on the bonnet that described antenna is positioned at described portable terminal or on edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310744008.4A CN104752811B (en) | 2013-12-30 | 2013-12-30 | Antenna and wireless receiving circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310744008.4A CN104752811B (en) | 2013-12-30 | 2013-12-30 | Antenna and wireless receiving circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104752811A true CN104752811A (en) | 2015-07-01 |
| CN104752811B CN104752811B (en) | 2019-03-29 |
Family
ID=53592132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310744008.4A Active CN104752811B (en) | 2013-12-30 | 2013-12-30 | Antenna and wireless receiving circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104752811B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5929814A (en) * | 1995-07-05 | 1999-07-27 | Motorola, Inc. | Antenna assembly and communications device |
| JP3634202B2 (en) * | 1999-08-17 | 2005-03-30 | 株式会社ケンウッド | Electronic equipment with antenna |
| CN1893176A (en) * | 2005-07-08 | 2007-01-10 | 三星电子株式会社 | Antenna device using support for portable terminal |
| CN201054384Y (en) * | 2007-02-15 | 2008-04-30 | 陈训勤 | Fittings for electronic device |
| CN201278525Y (en) * | 2008-09-05 | 2009-07-22 | 英华达股份有限公司 | Portable electronic device |
| KR20100068533A (en) * | 2008-12-15 | 2010-06-24 | 곽태진 | Portable multimedia player prop with antenna |
| CN101911382A (en) * | 2008-01-10 | 2010-12-08 | 松下电器产业株式会社 | Portable radio device |
| WO2012145985A1 (en) * | 2011-04-25 | 2012-11-01 | 中兴通讯股份有限公司 | Wireless communication terminal battery case |
| CN202817183U (en) * | 2012-09-07 | 2013-03-20 | 宗皓科技股份有限公司 | Transmitting-receiving structure used for mobile electronic device |
| CN203477787U (en) * | 2013-08-26 | 2014-03-12 | 联想(北京)有限公司 | Adjustable support and electronic device |
-
2013
- 2013-12-30 CN CN201310744008.4A patent/CN104752811B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5929814A (en) * | 1995-07-05 | 1999-07-27 | Motorola, Inc. | Antenna assembly and communications device |
| JP3634202B2 (en) * | 1999-08-17 | 2005-03-30 | 株式会社ケンウッド | Electronic equipment with antenna |
| CN1893176A (en) * | 2005-07-08 | 2007-01-10 | 三星电子株式会社 | Antenna device using support for portable terminal |
| CN201054384Y (en) * | 2007-02-15 | 2008-04-30 | 陈训勤 | Fittings for electronic device |
| CN101911382A (en) * | 2008-01-10 | 2010-12-08 | 松下电器产业株式会社 | Portable radio device |
| CN201278525Y (en) * | 2008-09-05 | 2009-07-22 | 英华达股份有限公司 | Portable electronic device |
| KR20100068533A (en) * | 2008-12-15 | 2010-06-24 | 곽태진 | Portable multimedia player prop with antenna |
| WO2012145985A1 (en) * | 2011-04-25 | 2012-11-01 | 中兴通讯股份有限公司 | Wireless communication terminal battery case |
| CN202817183U (en) * | 2012-09-07 | 2013-03-20 | 宗皓科技股份有限公司 | Transmitting-receiving structure used for mobile electronic device |
| CN203477787U (en) * | 2013-08-26 | 2014-03-12 | 联想(北京)有限公司 | Adjustable support and electronic device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104752811B (en) | 2019-03-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11870923B2 (en) | Electronic device with metal frame antenna | |
| AU2016353613B2 (en) | Antenna device and electronic device including the same | |
| KR102518499B1 (en) | Antenna and electronic device having it | |
| KR102258191B1 (en) | Electronic device | |
| US9612625B2 (en) | System and method of rendering data based on an angle of a carrying case flap | |
| US10096887B2 (en) | Mobile device with tri-band antennas incorporated into a metal back side | |
| US20160079653A1 (en) | Multi-antenna system for mobile handsets with a predominantly metal back side | |
| CN107069216B (en) | A kind of antenna structure, mobile terminal and method of controlling antenna | |
| CN107230821A (en) | A kind of WIFI＆GPS antennas | |
| US8638265B2 (en) | Slot antenna | |
| CN103762410A (en) | Electronic device | |
| CN104752811A (en) | Antenna and wireless receiving circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |