CN103337693B - An adjustable multiband antenna and a debugging method - Google Patents
An adjustable multiband antenna and a debugging method Download PDFInfo
- Publication number
- CN103337693B CN103337693B CN201310221589.3A CN201310221589A CN103337693B CN 103337693 B CN103337693 B CN 103337693B CN 201310221589 A CN201310221589 A CN 201310221589A CN 103337693 B CN103337693 B CN 103337693B
- Authority
- CN
- China
- Prior art keywords
- antenna
- arm
- feed end
- rabbet joint
- debugging
- 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.)
- Active
Links
Landscapes
- Waveguide Aerials (AREA)
Abstract
The invention provides an adjustable multiband antenna. The adjustable multiband antenna comprises an antenna arm, a grounding end, and an electric feeding end. The grounding end and the electric feeding end are respectively arranged on the two sides of the antenna arm, and are arranged in a dislocation manner along a width direction of the antenna arm; the antenna arm is provided with at least one groove along a length direction and a plurality of groove wires used for debugging which are across and inside the groove; the groove wires used for debugging separate the groove into a plurality of sub-grooves and regulate the size of the sub-grooves in removing; therefore, the adjustable multiband antenna of the invention can optimize band widths in different frequency ranges, and can also remove a specific groove wire used for debugging according a requirement of a device. The debugging method for the adjustable multiband antenna provided by the invention can adjust the dislocation distance between the grounding end and the electric feeding end according to requirements of devices, improve some groove lines, and realize optimized bandwidths in different frequency bands, so that adjustable multiband antennas with a unified specification can be applied to different devices to reduce costs.
Description
Technical field
The present invention relates to wireless communication technology field, particularly relate to a kind of adjustable multiband antenna and adjustment method thereof.
Background technology
Because present communication product has increasing function, and the space of product is more and more less, therefore usually needs individual antenna to complete the communication of multiple frequency range.Individual antenna will realize the demand of double frequency-band, not only to meet the radiation demand of each frequency range but also the bandwidth demand of each frequency range will be met, but double frequency band aerial is when debugging a kind of performance of frequency range (emission requirements and bandwidth requirement), and another frequency range also can be affected and cannot meet its performance requirement.
Figure 1A is the structure of bluetooth-wifi double frequency band aerial common in prior art.Its feed end 11 and earth terminal 12 are positioned at the both sides of the same position of antenna arm 10.Feed end 11 and earth terminal 12 are Bluetooth band antenna with the antenna arm 10a of left (on the left of dotted line), length is approximately the quarter-wave of Bluetooth band centre frequency 2441MHz, feed end 11 and earth terminal 12 are wifi band antenna with the antenna arm 10b of right (on the right side of dotted line), and length is approximately the quarter-wave of wifi frequency range centre frequency 5500MHz.To the result of this antenna S11 parameter (return loss characteristic) performance test as shown in Figure 1B, can find out that from Figure 1B this antenna has good bandwidth at Bluetooth band, such as, when loss value is-10dB corresponding bandwidth is 129MHz, the i.e. abscissa difference of 3,4 point-to-point transmissions in Figure 1B, but only have about-3dB (as shown in the ordinate of Figure 1B mid point 2) at the resonance that wifi frequency range is the darkest.Therefore this antenna needs matching parts to mate, but matching parts can affect the bandwidth of another frequency band at the bandwidth requirement meeting a frequency range simultaneously, finally can only do between the bandwidth of two frequency ranges and compromise.
And in the actual debug process of antenna, antenna is often subject to the impact of extraneous factor (such as product casing, antenna surrounding metal part), need to readjust the length of antenna and the length of the line of rabbet joint, and obvious above-mentioned antenna is difficult to realize, need again to make, cause cost and manpower waste.
Therefore, need a kind of adjustable multiband antenna and adjustment method thereof, to avoid above-mentioned defect.
Summary of the invention
The object of the present invention is to provide a kind of adjustable multiband antenna and adjustment method thereof, radiation demand and the bandwidth demand of multiple frequency range can be met when not having matching parts.
For solving the problem, the invention provides a kind of adjustable multiband antenna, comprising antenna arm, earth terminal and feed end; Described earth terminal and feed end lay respectively at described antenna arm both sides and shift to install along described antenna arm Width, described antenna arm is provided with at least one fluting along its length and across many debugging line of rabbet joint in described fluting, described fluting is divided into multiple pilot trench and regulates the size of pilot trench when removing by the described debugging line of rabbet joint.
Further, the distance that described earth terminal and described feed end misplace is 2mm ~ 6mm.
Further, the groove width of described fluting is 1mm ~ 3mm.
Further, the described debugging line of rabbet joint is uniformly distributed or non-uniform Distribution, and live width is identical or different.
Further, the line of rabbet joint of described feed end both sides is identical respectively and be uniformly distributed.
Further, described antenna arm is divided into low-frequency antenna radiation arm and high frequency antenna radiation arm by described feed end, and the live width of the debugging line of rabbet joint of side, described low-frequency antenna radiation arm place is 0.5mm ~ 1mm, and the live width of pilot trench is 0.5mm ~ 1mm; The live width of the debugging line of rabbet joint of side, described high frequency antenna radiation arm place is 0.2mm ~ 0.5mm, and the live width of pilot trench is 0.2mm ~ 0.5mm.
Further, the described debugging line of rabbet joint and described antenna arm one-body molded, cut off a debugging line of rabbet joint to be communicated with two adjacent pilot trench, form new pilot trench.
Further, described fluting is one, and described adjustable multiband antenna is bluetooth-wifi double frequency band aerial.
The present invention also provides a kind of adjustment method of one of above-mentioned adjustable multiband antenna, comprising:
Regulate the dislocation distance of the relative feed end of described earth terminal; And/or
Cut short described antenna arm, the clip part of residue antenna arm is the line of rabbet joint or remaining described antenna arm end; And/or
To remove near described feed end one section of continuous print debugging line of rabbet joint to regulate the size of pilot trench.
Compared with prior art, adjustable multiband antenna provided by the invention comprises antenna arm, earth terminal and feed end, described earth terminal and feed end lay respectively at described antenna arm both sides and shift to install along described antenna arm Width, described antenna arm is provided with at least one fluting along its length and across many debugging line of rabbet joint in described fluting, described fluting is divided into multiple pilot trench and regulates the size of pilot trench when removing by the described debugging line of rabbet joint.Thus adjustable multiband antenna of the present invention can optimize the bandwidth of each frequency range, and can remove the specific debugging line of rabbet joint according to requirement on devices.The adjustment method of adjustable multiband antenna provided by the invention, dislocation distance between earth terminal and feed end can be adjusted according to requirement on devices, remove some line of rabbet joint, realize optimum each band bandwidth, thus can the adjustable multiband antenna of unified specification be applied on different components, reduce costs.
Accompanying drawing explanation
Figure 1A is the structural representation of a kind of bluetooth-wifi double frequency band aerial in prior art;
Figure 1B is the S11 characteristic curve of the bluetooth-wifiI double frequency band aerial shown in Figure 1A;
Fig. 2 A is the structural representation of the adjustable bluetooth-wifi double frequency band aerial of the specific embodiment of the invention;
Fig. 2 B is the S11 characteristic curve of the adjustable bluetooth-wifi double frequency band aerial shown in Fig. 2 A;
Fig. 3 A to 3H is structural representation in the adjustable bluetooth of the present invention-wifi double frequency band aerial debug process and S11 characteristic curve thereof.
Embodiment
Core concept of the present invention is open a kind of adjustable multiband antenna and adjustment method thereof, described adjustable multiband antenna comprises antenna arm, earth terminal and feed end, described earth terminal and feed end lay respectively at described antenna arm both sides and shift to install along described antenna arm Width, described antenna arm is provided with at least one fluting along its length and across many debugging line of rabbet joint in described fluting, described fluting is divided into multiple pilot trench and regulates the size of pilot trench when removing by the described debugging line of rabbet joint.Thus adjustable multiband antenna of the present invention can optimize the bandwidth of each frequency range, and can remove the specific debugging line of rabbet joint according to requirement on devices.The adjustment method of adjustable multiband antenna provided by the invention comprises: the dislocation distance regulating the relative feed end of described earth terminal; And/or cut short described antenna arm, the clip part of residue antenna arm is the debugging line of rabbet joint or remaining described antenna arm end; And/or to remove near described feed end one section of continuous print debugging line of rabbet joint to regulate the size of pilot trench.Thus the adjustment method of adjustable multiband antenna provided by the invention can adjust dislocation distance between earth terminal and feed end according to requirement on devices, remove some line of rabbet joint, realize optimum each band bandwidth, thus can the adjustable multiband antenna of unified specification be applied on different components, reduce costs.
For making object of the present invention, feature becomes apparent, and be further described, but the present invention can realize by different forms, should not think and just be confined to described embodiment below in conjunction with accompanying drawing to the specific embodiment of the present invention.
Please refer to Fig. 2 A, the present embodiment provides a kind of adjustable multiband antenna, comprises antenna arm 20, earth terminal 22 and feed end 21; Described earth terminal 22 and feed end 21 lay respectively at described antenna arm 20 both sides and shift to install along described antenna arm 20 Width, described antenna arm 20 be provided with along its length at least one fluting and across many debugging line of rabbet joint in described fluting, described fluting is divided into multiple pilot trench and is changed the size of pilot trench by the mode removing or cut off by the described debugging line of rabbet joint, makes antenna arm 20 in scalariform thus.Wherein, the distance that described earth terminal 22 and described feed end 21 misplace is 2mm ~ 6mm.The groove width of described fluting is 1mm ~ 3mm.
Preferably, the debugging line of rabbet joint in described fluting, with feed end 21 position for line of demarcation, left side is uniformly distributed, right side is uniformly distributed, namely the line of rabbet joint of feed end 21 both sides is identical respectively and be uniformly distributed, and on the left of feed end 21, the live width of the debugging line of rabbet joint 202a of (i.e. side, earth terminal 21 place) is 0.5mm ~ 1mm, and the live width of pilot trench 201a is 0.5mm ~ 1mm; The live width of the debugging line of rabbet joint 202b on right side is 0.2mm ~ 0.5mm, and the live width of pilot trench 201b is 0.2mm ~ 0.5mm.Namely described antenna arm is divided into low-frequency antenna radiation arm and high frequency antenna radiation arm by described feed end, and the live width of the debugging line of rabbet joint 202a of side, described low-frequency antenna radiation arm place is 0.5mm ~ 1mm, and the live width of pilot trench 201a is 0.5mm ~ 1mm; The live width of the debugging line of rabbet joint 202b of side, described high frequency antenna radiation arm place is 0.2mm ~ 0.5mm, and the live width of pilot trench is 0.2mm ~ 0.5mm.
In other embodiments of the invention, the described debugging line of rabbet joint can be uniformly distributed completely, and the live width of the line of rabbet joint is identical, and the live width of pilot trench is also identical.
In the present embodiment, described antenna arm 20 is rectangle, the heart establishes a fluting along its length wherein, forms a kind of adjustable bluetooth-wifi double frequency band aerial, as shown in Figure 2 A, feed end 21 and earth terminal misplaces apart from being 4mm, the groove width of described fluting is 1mm, and the live width of debugging line of rabbet joint 202a, pilot trench 201a is 1mm, and the live width of debugging line of rabbet joint 202b, pilot trench 201b is 0.5mm, Fig. 2 B is depicted as the s parameter of the antenna of Fig. 2 A, and visible resonance frequency is toward low frequency deviation.The bandwidth of Bluetooth band (low-frequency range)-10dB is 121MHz, the darkest resonance of wifi frequency range (high band) is about-13dB, bandwidth is 426MHz, can by the bandwidth adjustment of wifi frequency range to 700MHz by cutting off some debugging line of rabbet joint, thus the antenna of the present embodiment can regulate pilot trench size (line of rabbet joint) very easily, with cutting off the debugging line of rabbet joint, the length of pilot trench (line of rabbet joint) just can be adjusted according to actual conditions when needs expand the line of rabbet joint.
The present invention also provides a kind of adjustment method of adjustable multiband antenna, comprising:
A: the dislocation distance regulating the relative feed end of described earth terminal; And/or
B: cut short described antenna arm, the clip part of residue antenna arm is the debugging line of rabbet joint or remaining described antenna arm end; And/or
C: the size removing one section of continuous print debugging line of rabbet joint change pilot trench near described feed end.
Adjustment method of the present invention only can adopt the single debugging of a or b or c, also can adopt a, and two or three in b, c combines debugging.
Below for adjustable bluetooth-wifi double frequency band aerial, composition graphs 2A and Fig. 2 B and the adjustment method of the specific embodiment shown in Fig. 3 A to 3H to adjustable multiband antenna of the present invention are described in detail.
Please refer to Fig. 3 A, 3B, in order to the effect of single use a debugging (namely regulating the dislocation distance of the relative feed end of described earth terminal) is described better, the limiting case choosing unslotted illustrates.Move to left relative for earth terminal 22 feed end 21 4mm, and object allows the antenna of wifi frequency range produce darker resonance.In figure feed end 21 to earth terminal 22 with the antenna arm on a left side for bluetooth low-frequency antenna radiation arm, feed end 21 to earth terminal 22 with the antenna arm on the right side for wifi high frequency antenna radiation arm, bluetooth after earth terminal 22 moves to left, the antenna resonance point of wifi two frequency range can offset a little to some extent, behind the position of fine setting earth terminal 22 or feed end 21, make the antenna energy resonance of feed end both sides in respective frequency band range, its S11 result as shown in Figure 3 B, compare shown in Figure 1A and 1B, the antenna resonance of wifi frequency range has deepened (being deeper than-10dB), and-10dB bandwidth is 352MHz, and the beamwidth of antenna of Bluetooth band has diminished a bit a little,-10dB bandwidth is 127MHz, bandwidth reduces 2MHz.Although now but ratio situation has above had very large improvement has also failed to meet wifi700MHz bandwidth requirement.But by antenna arm 20 can increase Bluetooth band antenna and wifi band antenna bandwidth after fluting respectively, as shown in Figure 3 C, fluting 200 is arranged on antenna arm center to fluting aft antenna, and groove width is 1mm.S11 result after fluting as shown in Figure 3 D, can see that-10dB the bandwidth of Bluetooth band is 137MHz, add 10MHz bandwidth, and wifi frequency range-10dB bandwidth is 836MHz, meets wifi band requirement completely than before fluting.
And in the actual debug process of antenna, described antenna arm is cut short by b(, the clip part of residue antenna arm is the debugging line of rabbet joint or remaining described antenna arm end), c(to remove near described feed end the size that one section of continuous print debugging line of rabbet joint changes pilot trench) single debugging or combination debugging more convenient, more cost-saving.
The combination adjustment method of b and c is described below in conjunction with accompanying drawing 2A, 3E to 3H.
First, carry out b debugging, please refer to Fig. 2 A and 3E, in order to regulate the S parameter of antenna, antenna arm 20 being cut short to first debugging line of rabbet joint place outermost end respectively from two ends, the antenna arm length of bluetooth and wifi and total slotting length can be regulated like this.After above-mentioned adjustment operation, the S11 parameter of antenna is as Fig. 3 F, and this bluetooth-wifi double frequency band aerial resonance is in the bluetooth, wifi frequency range of required work, but the resonance of its wifi frequency range is very shallow.
Then c debugging is carried out, continue to cut off middle one end continuous print debugging line of rabbet joint, remain leftmost two line of rabbet joint and rightmost three debugging line of rabbet joint, form new pilot trench, obtain the bluetooth-wifi double frequency band aerial shown in Fig. 3 G, as shown in figure 3h, Bluetooth band-10dB bandwidth is 163MHz to the S11 parameter of this bluetooth-wifi double frequency band aerial, and wifi frequency range-10dB bandwidth is 890MHz, meet the requirement of bluetooth, wifi double frequency-band bandwidth separately completely.
In sum, adjustable multiband antenna provided by the invention, comprise antenna arm, earth terminal and feed end, described earth terminal and feed end lay respectively at described antenna arm both sides and shift to install along described antenna arm Width, described antenna arm is provided with at least one fluting along its length and across many debugging line of rabbet joint in described fluting, described fluting is divided into multiple pilot trench and regulates the size of pilot trench when removing by the described debugging line of rabbet joint.Thus adjustable multiband antenna of the present invention can optimize the bandwidth of each frequency range, and can remove the specific debugging line of rabbet joint according to requirement on devices.The adjustment method of adjustable multiband antenna provided by the invention, dislocation distance between earth terminal and feed end can be adjusted according to requirement on devices, remove some line of rabbet joint, realize optimum each band bandwidth, thus can the adjustable multiband antenna of unified specification be applied on different components, reduce costs.
Obviously, those skilled in the art can carry out various change and modification to invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (9)
1. an adjustable multiband antenna, comprise antenna arm, earth terminal and feed end, it is characterized in that, described earth terminal and feed end lay respectively at described antenna arm both sides and shift to install along described antenna arm Width, described feed end and earth terminal dislocation distance can regulate, the distance of feed end and earth terminal relative antenna arm end can regulate, described antenna arm is divided into low-frequency antenna radiation arm and high frequency antenna radiation arm by described feed end, and described feed end to described earth terminal is described low-frequency antenna radiation arm with the antenna arm on a left side, described feed end to described earth terminal is described high frequency antenna radiation arm with the antenna arm on the right side, described antenna arm be provided with along its length at least one fluting and across many debugging line of rabbet joint in described fluting, the described debugging line of rabbet joint is positioned at feed end both sides and described fluting is divided into multiple pilot trench and regulates the size of pilot trench when removing.
2. adjustable multiband antenna as claimed in claim 1, it is characterized in that, the distance that described earth terminal and described feed end misplace is 2mm ~ 6mm.
3. adjustable multiband antenna as claimed in claim 1, it is characterized in that, the groove width of described fluting is 1mm ~ 3mm.
4. adjustable multiband antenna as claimed in claim 1, it is characterized in that, the described debugging line of rabbet joint is uniformly distributed or non-uniform Distribution, and live width is identical or different.
5. adjustable multiband antenna as claimed in claim 1, is characterized in that, the line of rabbet joint of described feed end both sides is identical respectively and be uniformly distributed.
6. adjustable multiband antenna as claimed in claim 5, it is characterized in that, the live width of the debugging line of rabbet joint of side, described low-frequency antenna radiation arm place is 0.5mm ~ 1mm, and the width of pilot trench is 0.5mm ~ 1mm; The live width of the debugging line of rabbet joint of side, described high frequency antenna radiation arm place is 0.2mm ~ 0.5mm, and the width of pilot trench is 0.2mm ~ 0.5mm.
7. adjustable multiband antenna as claimed in claim 1, is characterized in that, the described debugging line of rabbet joint and described antenna arm one-body molded, cut off a debugging line of rabbet joint to be communicated with two adjacent pilot trench, form new pilot trench.
8. adjustable multiband antenna as claimed in claim 1, it is characterized in that, described fluting is one, and described adjustable multiband antenna is bluetooth-wifi double frequency band aerial.
9. an adjustment method for the adjustable multiband antenna according to any one of claim 1 to 8, is characterized in that, comprising:
Regulate the dislocation distance of the relative feed end of described earth terminal; And/or
Cut short described antenna arm, the clip part of residue antenna arm is the debugging line of rabbet joint or remaining described antenna arm end; And/or
To remove near described feed end one section of continuous print debugging line of rabbet joint to regulate the size of pilot trench.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310221589.3A CN103337693B (en) | 2013-06-05 | 2013-06-05 | An adjustable multiband antenna and a debugging method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310221589.3A CN103337693B (en) | 2013-06-05 | 2013-06-05 | An adjustable multiband antenna and a debugging method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103337693A CN103337693A (en) | 2013-10-02 |
| CN103337693B true CN103337693B (en) | 2015-04-22 |
Family
ID=49245816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310221589.3A Active CN103337693B (en) | 2013-06-05 | 2013-06-05 | An adjustable multiband antenna and a debugging method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103337693B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10181649B2 (en) | 2013-11-18 | 2019-01-15 | Huawei Device (Dongguan) Co., Ltd. | Antenna and mobile terminal |
| CN108232441B (en) * | 2017-12-29 | 2020-11-06 | 瑞声精密制造科技(常州)有限公司 | Antenna unit and array antenna |
| CN114725663A (en) * | 2022-04-28 | 2022-07-08 | 深圳汉阳天线设计有限公司 | Multi-frequency antenna and electronic equipment |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2899140Y (en) * | 2005-09-28 | 2007-05-09 | 哗裕实业股份有限公司 | Antenna structure |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201781071U (en) * | 2010-08-03 | 2011-03-30 | 惠州Tcl移动通信有限公司 | Broadband antenna and feed network |
| CN103066378B (en) * | 2013-01-15 | 2015-06-03 | 青岛歌尔声学科技有限公司 | Bluetooth antenna and Bluetooth antenna frequency band broadening method |
| CN203288740U (en) * | 2013-06-05 | 2013-11-13 | 青岛歌尔声学科技有限公司 | Adjustable multiband antenna |
-
2013
- 2013-06-05 CN CN201310221589.3A patent/CN103337693B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2899140Y (en) * | 2005-09-28 | 2007-05-09 | 哗裕实业股份有限公司 | Antenna structure |
Non-Patent Citations (1)
| Title |
|---|
| Reconfigurable Slot Antenna using Switched Stub Technique;Chi-Yuk Chiu et al;《Antenna Technology,2009.iWAT 2009.IEEE International Workshop》;20090304;第1-4页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103337693A (en) | 2013-10-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10804607B2 (en) | Multiband antenna structure and wireless communication device using same | |
| US9673510B2 (en) | Antenna structure and wireless communication device using the same | |
| US9680222B2 (en) | Antenna structure and wireless communication device using the same | |
| US9450296B2 (en) | Antenna structure and wireless communication device using the same | |
| WO2017181376A1 (en) | Slot antenna and terminal device | |
| CN103346397A (en) | Multi-frequency antenna system applicable to mobile terminal with metal frame structure | |
| US9755308B2 (en) | Antenna structure and wireless communication device employing same | |
| US11695221B2 (en) | Flexible polymer antenna with multiple ground resonators | |
| CN103337693B (en) | An adjustable multiband antenna and a debugging method | |
| US9748660B2 (en) | Antenna with multiple feed points | |
| CN103579764A (en) | Multi-band antenna | |
| US10283867B2 (en) | Square shaped multi-slotted 2.45 GHz wearable antenna | |
| DE102014115054A1 (en) | Printed dual-band monopole antenna | |
| CN104157973A (en) | Double-frequency printed monopole antenna array with low coupling | |
| US10714833B2 (en) | Antenna structure and wireless communication device using same | |
| CN107240776B (en) | Dual-frequency slot antenna and tuning method thereof | |
| CN203288740U (en) | Adjustable multiband antenna | |
| JP5933631B2 (en) | Antenna assembly | |
| EP3176872A1 (en) | Monopole antenna | |
| CN202259671U (en) | Wideband antenna | |
| KR101622201B1 (en) | CPW Feeding Broadband Patch Antenna for In-Building Integrated Repeater | |
| CN104124524A (en) | Antenna structure and wireless communication device provided with same | |
| CN203826548U (en) | Multi-frequency plate-shaped WLAN antenna with metal wire and plastic part | |
| TW201630254A (en) | Dual-band dipole antenna | |
| CN104241844A (en) | Antenna structure and wireless communication apparatus using the same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |