CN102842761A - Wireless communication device - Google Patents
Wireless communication device Download PDFInfo
- Publication number
- CN102842761A CN102842761A CN2012101667047A CN201210166704A CN102842761A CN 102842761 A CN102842761 A CN 102842761A CN 2012101667047 A CN2012101667047 A CN 2012101667047A CN 201210166704 A CN201210166704 A CN 201210166704A CN 102842761 A CN102842761 A CN 102842761A
- Authority
- CN
- China
- Prior art keywords
- antenna
- wireless communication
- electro
- communication apparatus
- soft board
- 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.)
- Pending
Links
Images
Abstract
The invention discloses a wireless communication device, comprising a first antenna, a second antenna and an electromagnetic-wave-adsorption soft board, wherein the electromagnetic-wave-adsorption soft board is provided with a plurality of metal sheet elements, and the first antenna is overlapped with at least one metal sheet element. According to the wireless communication device provided by the invention, the electromagnetic-wave-adsorption soft board and the antenna are partially overlapped with each other, and the metal sheet element on the electromagnetic-wave-adsorption soft board is taken as a part of an antenna radiation body, so that the occupied area of the antenna can be reduced, and the space utilization is improved. Therefore, the size of the wireless communication device is correspondingly smaller.
Description
Technical field
The present invention relates to a kind of wireless communication apparatus, particularly a kind of wireless communication apparatus with electromagnetic wave energy absorption soft board.
Background technology
Wireless communication technique has obtained development rapidly in recent years; The use of wireless communication apparatus is very general; But when using wireless communication apparatus; Whether the user can exert an influence to human body to electromagnetic wave usually and have the height doubt, so national telecommunication management unit can make a standard to the highest feasible value of the electromagnetic wave energy absorptance (SAR) of wireless device, can lower the doubt of user to mobile phone electromagnetic wave.Generally speaking, the user can list in the height of electromagnetic wave energy absorptance (SAR) value and to consider when buying wireless communication apparatus.In addition; Volume size thickness degree of device itself or the like also has influence on user's convenience; Therefore no matter be but that mobile phone or panel computer all try one's best and had big screen and design towards lightening, mobile phone in the past is more simple, is used for purely receiving calls; Now in order to satisfy the multi-functional demand of user; Therefore it is a trend that bluetooth, wireless device, satellite positioning device are incorporated on the single wireless communication device product, and in the face of multifarious function, what will overcome is exactly the problem that the restriction because of the more antenna in inside can't further reduce the space of communication device more thereupon.
In the past to electromagnetic wave energy absorptance (SAR) processing mode, be to obtain a balance point in transmitting power and antenna efficiency and electromagnetic wave energy absorptance SAR value standard to suppress, but the shortcoming of the method is to let communication device can't reach best communication efficiency.Therefore adopted a kind of sensing apparatus design afterwards on soft board, when detecting have object near the time just with the transmitted power reduction of antenna, effectively reduce the influence of electromagnetic wave to human body.
If the antenna more than two is arranged, for fear of the phase mutual interference, antenna had a distance limit and let the measured value that disturbs less than-10dB in twos, had therefore caused designer's restriction, can't dwindle the volume of wireless communication apparatus again when designing antenna past.
Like Fig. 1, shown in Figure 2, Fig. 1 has illustrated the sketch map of antenna and electro-magnetic wave absorption soft board combination of the wireless communication apparatus of prior art; Fig. 2 has illustrated the sketch map of the electro-magnetic wave absorption soft board 200 among Fig. 1.Electro-magnetic wave absorption soft board 200 is as the sensor of the absorption ratio (SAR) of electromagnetic wave energy.Electro-magnetic wave absorption soft board 200 comprises sensing apparatus, make capacitor and inductor element and disconnecting apparatus of match circuit etc.; As as the sheet metal element 201,202,203 of sensing apparatus and 204 and disconnecting apparatus 211,212 and 213, the structure of complete electro-magnetic wave absorption soft board 200 is as shown in Figure 2.Electro-magnetic wave absorption soft board 200, antenna 300, antenna 400 are arranged in the wireless communication apparatus with antenna 500 and circuit board 100; But for keeping in twos between the antenna and antenna and electro-magnetic wave absorption soft board 200 are unlikely to interfere with each other; Therefore electro-magnetic wave absorption soft board 200, antenna 300, antenna 400 are kept certain distance to each other with antenna 500, this make the wireless communication apparatus that comprises said elements limited volume system and can't further dwindle.
Summary of the invention
For solving in the prior art in order to guarantee non-interference between the antenna, need be with keeping certain distance between the antenna, and make the problem that the volume of wireless communication apparatus can't dwindle again, and the present invention provides a kind of wireless communication apparatus, and it comprises: first antenna; Second antenna; And the electro-magnetic wave absorption soft board, this electro-magnetic wave absorption soft board has a plurality of sheet metal element.Wherein, this first antenna and at least one sheet metal element are overlapping.
As optional technical scheme, contiguous at least two the adjacent edges of this wireless communication apparatus of this electro-magnetic wave absorption soft board.
As optional technical scheme, this wireless communication apparatus also comprises circuit board, and this electro-magnetic wave absorption soft board is arranged on this circuit board, and the relative dielectric coefficient of these a plurality of sheet metal element quilts is more than or equal to 3 material coating.
As optional technical scheme, this first antenna and this at least one sheet metal element are overlapped in this circuit board top.
As optional technical scheme, it is outside that this second antenna and this at least one sheet metal element are overlapped in this circuit board.
As optional technical scheme, these a plurality of sheet metal element are cut off with lamped element between any two.
As optional technical scheme, these a plurality of sheet metal element comprise the capacitor and inductor element respectively.
As optional technical scheme; This wireless communication apparatus also comprises control unit; Wherein, the signal strength that receives when this electro-magnetic wave absorption soft board is higher than first predetermined value, and this control unit optionally reduces the intensity of this first antenna and this second antenna emission signal.
As optional technical scheme; With contiguous this second antenna of at least one sheet metal element of this first antenna overlapping, and the interference that makes this first antenna and this second antenna with the size of at least one sheet metal element of this first antenna overlapping is less than second predetermined value.
As optional technical scheme, this electro-magnetic wave absorption soft board is cross and its plane, place is divided into four zones, the corresponding zones of different that is arranged in these four zones with this second antenna of this first antenna.
Benefit of the present invention is; Electro-magnetic wave absorption soft board and antenna part are overlapping; Utilize on the electro-magnetic wave absorption soft board sheet metal element as the part of antenna radiator; Reach the effect of dwindling shared volume of antenna and room for promotion utilance, thereby make the smaller volume that has of wireless communication apparatus correspondence.
Description of drawings
Fig. 1 has illustrated the sketch map of antenna and electro-magnetic wave absorption soft board combination of the wireless communication apparatus of prior art;
Fig. 2 has illustrated the sketch map of the electro-magnetic wave absorption soft board among Fig. 1;
Fig. 3 has illustrated the antenna of wireless communication apparatus of the present invention and the sketch map of electro-magnetic wave absorption soft board combination;
Fig. 4 a, Fig. 4 b have illustrated the different execution modes of antenna of the present invention and electro-magnetic wave absorption soft board combination.
Embodiment
For making the object of the invention, structure, characteristic and function thereof there are further understanding, cooperate embodiment to specify as follows now.
Fig. 3 is the sketch map of antenna and electro-magnetic wave absorption soft board combination of the wireless communication apparatus of one embodiment of the invention; Wireless communication apparatus comprises control unit 600, electro-magnetic wave absorption soft board 700, antenna 300 (first antenna), antenna 400 (second antenna), antenna 500 and circuit board 110, and control unit 600, electro-magnetic wave absorption soft board 700, antenna 300, antenna 400, antenna 500 and circuit board 110 all are arranged in the wireless communication apparatus (not graphic).Circuit board 110 is the substrate of metal, can be the pcb board of wireless communication apparatus.Electro-magnetic wave absorption soft board 700 major functions are the sensors as the absorption ratio (SAR) that reduces electromagnetic wave energy, and electro-magnetic wave absorption soft board 700 will spread in copper partly is coated on, and the material of collocation tool conductivity is with increase conductivity in manufacturing process.Electro-magnetic wave absorption soft board 700 comprises sensing apparatus, makes the capacitor and inductor element and the areas of disconnection of match circuit, because electro-magnetic wave absorption soft board 700 is to use capacitive induction, so have some sheet metal element in the above.The electro-magnetic wave absorption soft board 700 of present embodiment has a plurality of and sheet metal element 206,208,209 and 210 antenna overlapping; And not with the sheet metal element 205,207 of antenna overlapping; In addition, electro-magnetic wave absorption soft board 700 also has the copper paving area 214,215,216 and 217 of disconnection.The relative dielectric coefficient of sheet metal element 205-210 quilt in the electro-magnetic wave absorption soft board 700 coats more than or equal to 3 material, for example is 3 plastic cement coating by relative dielectric coefficient, or is 4.4 FR-4 (epoxy glass fabric lamination material) coating by relative dielectric coefficient.Break off copper paving area 214,215,216 and 217 and be on the electro-magnetic wave absorption soft board 700 added lump (lump) element between a plurality of sheet metal element, purpose is in order to cut off a plurality of sheet metal element.Antenna 400 is the main antenna part of communication device; Frequency band is at 850MHz, 900MHz, 1800MHz, 1900MHz or 2100MHz; Be the dual-band antenna of a PIFA (planar inverted F-shape antenna, Planar inverted F-shaped antenna) form, comprise feed-in and earth connection.Antenna 500 is satellite fix (GPS) antenna part, and frequency band is near 1575MHz.Antenna 300 is that near-field communication (NFC) is used antenna, is the loop form.As object during near wireless communication apparatus, the value that the electro-magnetic wave absorption soft board detects can effectively reduce the influence of electromagnetic wave to human body being reduced by the intensity of antenna 300 (first antenna) with antenna 400 (second antenna) emission signal during greater than first preset value.
Fig. 3 compared to Figure 1, different is has the lap of electro-magnetic wave absorption soft board 700 and antenna, has increased utilance and has dwindled antenna volume.Be overlapped in sheet metal element 206 like antenna 300 and electro-magnetic wave absorption soft board 700; Sheet metal element 206 is positioned at the top of circuit board 110; Antenna 400 is overlapped in sheet metal element 209 with electro-magnetic wave absorption soft board 700, and sheet metal element 209 is positioned at the outside of circuit board 110; And antenna 500 is overlapped in sheet metal element 208 and sheet metal element 210 with electro-magnetic wave absorption soft board 700, and sheet metal element 208 and sheet metal element 210 are positioned at the outside of circuit board 110.Supplementary notes be that the interference that the size of sheet metal element 206 adjacent antennas 400 and sheet metal element 206 makes this antenna 300 and antenna 400 less than second predetermined value (for example-10dB).First antenna of the present invention and second antenna can be main antenna, Wireless LAN antenna, near-field communication antenna or the reception antennas of satellite fix of mobile phone, and different antennas can be arranged at the top of circuit board or the outside of circuit board according to its characteristic.By above-mentioned visible; Electro-magnetic wave absorption soft board 700 of the present invention combines with antenna; Be that electro-magnetic wave absorption soft board 700 has the overlapping region with antenna; Utilize the sheet metal element of script,, reach the effect of dwindling shared volume of antenna and room for promotion utilance as the part of antenna radiator at electro-magnetic wave absorption soft board 700.
Electro-magnetic wave absorption soft board 700 is mainly used in the approaching object of detecting.Electro-magnetic wave absorption soft board 700 operated by rotary motion are near main antenna, and electro-magnetic wave absorption soft board 700 will extend to two adjacent porch of wireless communication apparatus at least.So; The adjacent two edges that are adjacent to circuit board that electro-magnetic wave absorption soft board 700 is preferable; In the present embodiment; Two edges of circuit board are respectively antenna 300 and the edge that antenna 400 belongs to, and we can say that also two edges of electro-magnetic wave absorption soft board 700 are respectively the edge at antenna 300 and antenna 400 places.The signal strength that senses when electro-magnetic wave absorption soft board 700 is higher than first predetermined value, and control unit 600 is optionally adjusted by the intensity of antenna 300 with antenna 400 emission signals, effectively reduces the amount of radiation of the electromagnetic wave of wireless communication apparatus to human body.
Fig. 4 a, Fig. 4 b have illustrated the different execution modes of antenna of the present invention and electro-magnetic wave absorption soft board combination.Fig. 4 a and 4b have illustrated the possibility appearance attitude of electro-magnetic wave absorption soft board; Be mainly cross and its plane, place is divided into four zones; Electro-magnetic wave absorption soft board 800 is arranged on the circuit board 830 in Fig. 4 a, and antenna 810 is arranged at different zones with antenna 820 corresponding circuits plates 830; Electro-magnetic wave absorption soft board 900 is arranged on the circuit board 930 in Fig. 4 b, and antenna 910 is arranged at different zones with antenna 920 corresponding circuits plates 930.
The electro-magnetic wave absorption soft board 700 of wireless communication apparatus of the present invention combines with antenna, utilizes the metal of script at electro-magnetic wave absorption soft board 700, as the part of antenna radiator, reaches the effect of dwindling shared volume of antenna and space availability ratio lifting.
The present invention is described by above-mentioned related embodiment, yet the foregoing description is merely the example of embodiment of the present invention.Must be pointed out that the embodiment that has disclosed does not limit scope of the present invention.On the contrary, change and retouching not breaking away from the spirit and scope of the present invention to be done all belong to scope of patent protection of the present invention.
Claims (10)
1. a wireless communication apparatus is characterized in that, comprises:
First antenna;
Second antenna; And
The electro-magnetic wave absorption soft board, this electro-magnetic wave absorption soft board has a plurality of sheet metal element;
Wherein, this first antenna and at least one sheet metal element are overlapping.
2. wireless communication apparatus as claimed in claim 1 is characterized in that, contiguous at least two the adjacent edges of this wireless communication apparatus of this electro-magnetic wave absorption soft board.
3. wireless communication apparatus as claimed in claim 1 is characterized in that, also comprises circuit board, and this electro-magnetic wave absorption soft board is arranged on this circuit board, and the relative dielectric coefficient of these a plurality of sheet metal element quilts is more than or equal to 3 material coating.
4. wireless communication apparatus as claimed in claim 3 is characterized in that, this first antenna and this at least one sheet metal element are overlapped in this circuit board top.
5. wireless communication apparatus as claimed in claim 3 is characterized in that, it is outside that this second antenna and this at least one sheet metal element are overlapped in this circuit board.
6. wireless communication apparatus as claimed in claim 1 is characterized in that, these a plurality of sheet metal element are cut off with lamped element between any two.
7. wireless communication apparatus as claimed in claim 1 is characterized in that, these a plurality of sheet metal element comprise the capacitor and inductor element respectively.
8. wireless communication apparatus according to claim 1; It is characterized in that, also comprise control unit, wherein; The signal strength that receives when this electro-magnetic wave absorption soft board is higher than first predetermined value, and this control unit optionally reduces the intensity of this first antenna and this second antenna emission signal.
9. wireless communication apparatus according to claim 1; It is characterized in that; With contiguous this second antenna of at least one sheet metal element of this first antenna overlapping, and the interference that makes this first antenna and this second antenna with the size of at least one sheet metal element of this first antenna overlapping is less than second predetermined value.
10. wireless communication apparatus according to claim 1 is characterized in that, this electro-magnetic wave absorption soft board is cross and its plane, place is divided into four zones, the corresponding zones of different that is arranged in these four zones with this second antenna of this first antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101667047A CN102842761A (en) | 2012-05-28 | 2012-05-28 | Wireless communication device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101667047A CN102842761A (en) | 2012-05-28 | 2012-05-28 | Wireless communication device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102842761A true CN102842761A (en) | 2012-12-26 |
Family
ID=47369932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012101667047A Pending CN102842761A (en) | 2012-05-28 | 2012-05-28 | Wireless communication device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102842761A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090033562A1 (en) * | 2005-02-01 | 2009-02-05 | Matsushita Electric Industrial Co., Ltd. | Portable wireless apparatus |
| CN101958455A (en) * | 2009-07-17 | 2011-01-26 | 苹果公司 | Electronic equipment with capacitive proximity sensor |
| CN102646861A (en) * | 2011-02-17 | 2012-08-22 | 苹果公司 | Antenna with integrated proximity sensor for proximity-based radio-frequency power control |
-
2012
- 2012-05-28 CN CN2012101667047A patent/CN102842761A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090033562A1 (en) * | 2005-02-01 | 2009-02-05 | Matsushita Electric Industrial Co., Ltd. | Portable wireless apparatus |
| CN101958455A (en) * | 2009-07-17 | 2011-01-26 | 苹果公司 | Electronic equipment with capacitive proximity sensor |
| CN102646861A (en) * | 2011-02-17 | 2012-08-22 | 苹果公司 | Antenna with integrated proximity sensor for proximity-based radio-frequency power control |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103840259B (en) | Antenna system | |
| CN103904417B (en) | Mobile device | |
| CN103811863B (en) | Mobile device | |
| CN104037501B (en) | Mobile device | |
| CN104467897B (en) | Mobile device | |
| KR20130013089A (en) | Metals used for antennas and sensor elements and apparatus coupled therewith in portable wireless terminal | |
| TW201444176A (en) | Mobile device | |
| GB2523367A (en) | An apparatus for wireless communication | |
| CN109119747B (en) | Antenna assembly and electronic equipment | |
| CN105514586A (en) | Mobile terminal with metal shell and antenna structure thereof | |
| CN106299593A (en) | Antenna structure and apply the radio communication device of this antenna structure | |
| CN208955186U (en) | Antenna module and electronic equipment | |
| CN105811123A (en) | Antenna system and electronic device | |
| CN105703076A (en) | Mobile device | |
| CN105322278B (en) | Antenna with continuous metal frame and its electronic equipment | |
| CN102361155A (en) | Antenna device of handheld terminal | |
| CN203774450U (en) | Novel annular mobile phone antenna containing parasitic element coupled feeding | |
| CN102496773A (en) | Method capable of improving efficiency of mobile communication antenna and mobile communication terminal | |
| CN202094303U (en) | Mobile terminal antenna and mobile terminal | |
| CN207303368U (en) | A kind of shielding case based on big-dipper satellite antenna | |
| CN103491702A (en) | Circuit board with antenna structure | |
| CN112436265A (en) | Mobile terminal and antenna control method thereof | |
| CN102842761A (en) | Wireless communication device | |
| CN203932317U (en) | Electronic equipment | |
| CN107104284A (en) | All-metal ring narrow frame 4G intelligent machine antennas |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20121226 |