CN104425886A - Antenna apparatus and wireless transceiver - Google Patents
Antenna apparatus and wireless transceiver Download PDFInfo
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- CN104425886A CN104425886A CN201310376343.3A CN201310376343A CN104425886A CN 104425886 A CN104425886 A CN 104425886A CN 201310376343 A CN201310376343 A CN 201310376343A CN 104425886 A CN104425886 A CN 104425886A
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- radiation
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- 230000005855 radiation Effects 0.000 claims abstract description 83
- 239000000758 substrate Substances 0.000 claims abstract description 52
- 239000000463 material Substances 0.000 claims description 20
- 239000002184 metal Substances 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 235000006508 Nelumbo nucifera Nutrition 0.000 claims description 3
- 240000002853 Nelumbo nucifera Species 0.000 claims description 3
- 230000000712 assembly Effects 0.000 claims 2
- 238000000429 assembly Methods 0.000 claims 2
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000004891 communication Methods 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The invention, which is suitable for the antenna technology, provides an antenna apparatus comprising a substrate, a feed-in portion, a radiation portion, a first coupler, a second coupler, and a ground portion. The feed-in portion is arranged at the substrate and is used for realizing feeding in of an electromagnetic wave signal. The radiation portion that is connected with the feed-in portion and is arranged on the substrate is used for radiating an electromagnetic wave signal. The first coupler and the second coupler are respectively arranged at the two sides of the radiation portion and approach the radiation portion. The ground portion arranged at the substrate is connected with the radiation portion by the feed-in portion. In addition, the invention also provides a wireless transceiver. With the antenna apparatus and the wireless transceiver, the antenna frequency can be expanded, so that the frequency range is wider, the standing-wave ratio is better, and the gain is higher and thus the energy efficiency of the antenna apparatus can be improved in an overall mode.
Description
Technical field
The invention belongs to antenna technical field, particularly relate to a kind of antenna assembly and wireless transceiver.
Background technology
Along with various communication device small, antenna as this communication device inside certainly will towards the design direction development of flattening to reduce antenna volume, but, owing to limitting by communication device inner space, make the ground of antenna large not, and then cause the chokes of antenna inadequate, thus it is wide that the frequency of antenna cannot be done, and there is the problem that frequency band is narrow.
Summary of the invention
The object of the embodiment of the present invention is to provide a kind of antenna assembly and wireless transceiver, and the frequency being intended to the antenna solved in traditional miniaturized communication device cannot be done wide, there is the problem that frequency band is narrow.
The embodiment of the present invention is achieved in that a kind of antenna assembly, and described antenna assembly comprises:
Substrate;
Feeding portion, is arranged on described substrate, for feed-in electromagnetic wave signal;
Department of Radiation, is connected with described feeding portion and is arranged on described substrate, for radiated electromagnetic wave signal;
First coupler and the second coupler, be arranged at the both sides of described Department of Radiation respectively also near described Department of Radiation;
Grounding parts, is arranged on described substrate, and is connected with described Department of Radiation by described feeding portion.
Preferably, described Department of Radiation is strip microstrip line, and in described Department of Radiation, the width near the microstrip line of described grounding parts is narrower than the width away from the microstrip line of described grounding parts.
Preferably, described Department of Radiation is vertical with described grounding parts, and one end of described Department of Radiation is connected with described feeding portion, and the other end of described Department of Radiation extends towards the direction away from described grounding parts.
Preferably, axisymmetricly, and the lateral symmetry axle of described grounding parts is identical with the lateral symmetry axle of described Department of Radiation for described grounding parts.
Preferably, described first coupler and all elongated microstrip line of described second coupler, and described first coupler connects with all vertical with the described grounding parts lotus root in one end of described second coupler, the other end of described first coupler and described second coupler all extends towards the direction away from described grounding parts.
Preferably, described first coupler is all parallel with described Department of Radiation with described second coupler, and the length of described first coupler or described second coupler is all less than the length of described Department of Radiation.
Preferably, described antenna assembly also comprises:
Fixture, is connected with described grounding parts, for fixing described substrate.
Preferably, described fixture is metal fixing.
Preferably, offer slotted eye in one end of described fixture, and the part that the thickness of the width of the slotted eye of described fixture and described substrate matches the substrate guaranteeing described grounding parts side just can insert described fixture slotted eye in be fixed.
Preferably, the length of described fixture is 1/4th of wavelength corresponding to described antenna assembly first resonance frequency.
Preferably, the length of described Department of Radiation is 1/4th of wavelength corresponding to described antenna assembly first resonance frequency.
Preferably, described substrate is medium substrate, and the material of described medium substrate comprises FR4 material or F4B material.
In addition, the present invention also provides a kind of wireless transceiver, comprises above-mentioned antenna assembly.
Above-mentioned antenna assembly and wireless transceiver, the ground of antenna is expanded by increasing the fixture be connected with grounding parts, and then increase the chokes of antenna and the frequency of extended antenna, the first coupler be connected with grounding parts by increase and the second coupler adjust the secondary resonance of antenna, and then make antenna have more wide frequency ranges at high band, better standing-wave ratio and higher gain, by the dipole antenna being bonded a low-frequency range of Department of Radiation and fixture, can better fixing base by offering slotted eye in one end of fixture, improve the efficiency of antenna assembly on the whole.
Accompanying drawing explanation
Fig. 1 is the structural representation of the antenna assembly that first embodiment of the invention provides;
Fig. 2 is the side structure schematic diagram of antenna assembly inner fixing member in first embodiment of the invention;
The voltage standing wave ratio resolution chart of the antenna assembly that Fig. 3 provides for first embodiment of the invention;
The H plane radiation field shape figure of the 900MHz of the antenna assembly that Fig. 4 provides for first embodiment of the invention;
The E plane radiation field shape figure of the 900MHz of the antenna assembly that Fig. 5 provides for first embodiment of the invention;
The H plane radiation field shape figure of the 1900MHz of the antenna assembly that Fig. 6 provides for first embodiment of the invention;
The E plane radiation field shape figure of the 1900MHz of the antenna assembly that Fig. 7 provides for first embodiment of the invention;
The structural representation of the antenna assembly that Fig. 8 provides for second embodiment of the invention;
The voltage standing wave ratio resolution chart of the antenna assembly that Fig. 9 provides for second embodiment of the invention;
The H plane radiation field shape figure of the 900MHz of the antenna assembly that Figure 10 provides for second embodiment of the invention;
The E plane radiation field shape figure of the 900MHz of the antenna assembly that Figure 11 provides for second embodiment of the invention;
The H plane radiation field shape figure of the 1900MHz of the antenna assembly that Figure 12 provides for second embodiment of the invention;
The E plane radiation field shape figure of the 1900MHz of the antenna assembly that Figure 13 provides for second embodiment of the invention.
Tool band execution mode
In order to make the technical problem to be solved in the present invention, technical scheme and beneficial effect clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that tool band embodiment described herein is only in order to explain the present invention, is not intended to limit the present invention.
Antenna assembly provided by the invention, comprising:
Substrate;
Feeding portion, is arranged on described substrate, for feed-in electromagnetic wave signal;
Department of Radiation, is connected with described feeding portion and is arranged on described substrate, for radiated electromagnetic wave signal;
First coupler and the second coupler, be arranged at the both sides of described Department of Radiation respectively also near described Department of Radiation;
Grounding parts, is arranged on described substrate, and is connected with described Department of Radiation by described feeding portion.
Antenna assembly provided by the invention, the ground of antenna is expanded by increasing the fixture be connected with grounding parts, and then increase the chokes of antenna and the frequency of extended antenna, the first coupler be connected with grounding parts by increase and the second coupler adjust the secondary resonance of antenna, and then make antenna have more wide frequency ranges at high band, better standing-wave ratio and higher gain, by the dipole antenna being bonded a low-frequency range of Department of Radiation and fixture, can better fixing base by offering slotted eye in one end of fixture, improve the efficiency of antenna assembly on the whole.
Refer to Fig. 1, be depicted as the structural representation of the antenna assembly 20 that first embodiment of the invention provides, for convenience of description, illustrate only part related to the present embodiment.
As shown in Figure 1, in the present embodiment, antenna assembly 20 comprises: substrate 21, feeding portion 22, Department of Radiation 23, grounding parts 24, fixture 25, first coupler 26 and the second coupler 27.
In the present embodiment, substrate 21 is printed circuit board (Printed Circuit Board, PCB), concrete, and substrate 21 sheet material used can be FR-4 sheet material or other material sheet material, in this no limit.
Feeding portion 22, is arranged on substrate 21, for feed-in electromagnetic wave signal.In the present embodiment, feeding portion 22 can be a load point or a feed-in face, in this no limit.
Department of Radiation 23, for strip microstrip line and structure axisymmetricly, is connected with feeding portion 22 and is arranged on substrate 21, for radiated electromagnetic wave signal.In the present embodiment, Department of Radiation 23 is elongated, and the electromagnetic wave signal in order to receive feed-in from feeding portion 22 that is connected with feeding portion 22, in the present embodiment, Department of Radiation 23 is a microstrip line, such as, be the microstrip line covering copper, be arranged on substrate 21 by Department of Radiation 23.In the present embodiment, the flat of this flattening design that Department of Radiation 23 adopts and substrate 21 adapts, and then meets the specific requirement of antenna miniaturization.
Grounding parts 24, is arranged on substrate 21, and is connected with Department of Radiation 23 by feeding portion 22.In the present embodiment, grounding parts 24 can be also a microstrip line, such as, be the microstrip line covering copper, be arranged on substrate 21 by grounding parts 24.
In the present embodiment, the rectangular also structure axisymmetricly of grounding parts 24, and the lateral symmetry axle of grounding parts 24 is identical with the lateral symmetry axle of Department of Radiation 23.In the present embodiment, Department of Radiation 23 is vertical with grounding parts 24, and one end of Department of Radiation 23 is connected with feeding portion 22, and the other end of Department of Radiation 23 extends towards the direction away from grounding parts 24.
In other embodiments, grounding parts 24 also can be the shape of other structures axisymmetricly, or grounding parts 24 is other arbitrary shapes, in this no limit.
Fixture 25, is connected with grounding parts 24, for fixing base 21.In the present embodiment, fixture 25 is metal fixing, does not limit in the material of this metal fixing, in order to fully be electrically connected with grounding parts 24 and improve overall radiance, the material of metal fixing is identical with the material of grounding parts 24, and such as material wherein can be all copper.In the present embodiment, substrate 21 is medium substrate, and the material of described medium substrate comprises FR4 material or F4B material.
In the present embodiment, one end of fixture 25 offers slotted eye, as shown in Figure 2.
Refer to Fig. 2, be depicted as the side structure schematic diagram of antenna assembly 20 inner fixing member 25 in first embodiment of the invention.
As shown in Figure 2, the slotted eye width d that fixture 25 is offered needs to match with the thickness of substrate 21, so, can guarantee to be fixed in the slotted eye that a part for the substrate 21 of grounding parts 24 side just can insert fixture 25, also fixture 25 fully can be contacted with grounding parts 24 simultaneously, because fixture 25 is also metal device, so fixture 25 can expand contact area further with fully contacting of grounding parts 24, and then increase the chokes of antenna and the frequency of extended antenna.In the present embodiment, fixture 25 is that the mode by offering the slotted eye matched with the thickness of substrate 21 at self fixes substrate 21, in order to ensure the structural stability of antenna assembly, can also while entering in fixture 25 by substrate 21 plug-in mounting, welding manner be adopted to fix further.
Please continue to refer to Fig. 1, in the present embodiment, by the dipole antenna that be bonded a low-frequency range of Department of Radiation 23 with fixture 25, wherein, the length of fixture 25 is 1/4th of wavelength corresponding to antenna assembly 20 first resonance frequency, and the length of Department of Radiation 23 is 1/4th of wavelength corresponding to antenna assembly 20 first resonance frequency.
First coupler 26 and the second coupler 27 are arranged at the both sides of Department of Radiation 23 respectively also near Department of Radiation 23.
In the present embodiment, first coupler 26 and all elongated microstrip line of the second coupler 27, and the first coupler 26 connects with all vertical with grounding parts 24 lotus root in one end of the second coupler 27, the other end of the first coupler 26 and the second coupler 27 all extends towards the direction away from grounding parts 24.
In the present embodiment, the first coupler 26 is all parallel with Department of Radiation 23 with the second coupler 27, and the length of the first coupler 26 or the second coupler 27 is all less than the length of Department of Radiation 23.In the present embodiment, the width of the first coupler 26 can be identical with the width of the second coupler 27, also can be different, this main optic placode 21 can usable floor area and determining, in this no limit.
In the present embodiment, by the dipole antenna that be bonded a low-frequency range of Department of Radiation 23 with fixture 25, wherein, the effect of the first coupler 26 and the second coupler 27 is that the secondary resonance adjusting dipole antenna makes antenna have the electric property such as wider frequency range and better voltage standing wave ratio at high band (as 1710 ~ 2170MHz), specifically, wherein the first coupler 26 major control is high frequency 1800MHz & 1900MHz part, the second coupler 27 major control be high frequency 2100MHz part.
Refer to Fig. 3, be depicted as the voltage standing wave ratio resolution chart of the antenna assembly that first embodiment of the invention provides.
As shown in Figure 3, the antenna assembly that first embodiment of the invention provides can form good coupling with external circuit, the energy of external circuit can the most effectively be transferred on antenna, the frequency range of this antenna comprises 824 ~ 960MHz and 1710 ~ 1990MHz, namely containing four, lid conventional communications band CDMA850, GSM900, DCS1800 and PCS1900.
Refer to Fig. 4, be depicted as the H plane radiation field shape figure of the 900MHz of the antenna assembly that first embodiment of the invention provides.
Refer to Fig. 5, be depicted as the E plane radiation field shape figure of the 900MHz of the antenna assembly that first embodiment of the invention provides.
Refer to Fig. 6, be depicted as the H plane radiation field shape figure of the 1900MHz of the antenna assembly that first embodiment of the invention provides.
Refer to Fig. 7, be depicted as the E plane radiation field shape figure of the 1900MHz of the antenna assembly that first embodiment of the invention provides.
From Fig. 4 to 7, what show in figure is that antenna assembly energy position field shape of space radiation towards periphery on 900MHz and 1900MHz that first embodiment of the invention provides is schemed, affected by environment, antenna directivity can to a certain degree be affected, but entirety compares omnidirectional.
Refer to Fig. 8, be depicted as the structural representation of the antenna assembly 30 that third embodiment of the invention provides, for convenience of description, illustrate only part related to the present embodiment.
As shown in Figure 8, in the present embodiment, antenna assembly 30 comprises: substrate 31, feeding portion 32, Department of Radiation 33, grounding parts 34, fixture 35, first coupler 36 and the second coupler 37.
In the present embodiment, substrate 31 in antenna assembly 30, feeding portion 32, grounding parts 34, fixture 35, first coupler 36, second coupler 37 are identical with the substrate 21 in the antenna assembly 20 shown in Fig. 1, feeding portion 22, grounding parts 24, fixture 25, first coupler 26, second coupler 27 respectively, and structure and fuction is all identical, concrete content refers to the associated description of above-mentioned Fig. 1, at this just not at repeated description, below Department of Radiation 33 will be introduced.
In the present embodiment, Department of Radiation 33 comprises the first radiation zone 331 and the second radiation zone 332, and narrower than the width away from the second radiation zone 332 of grounding parts 34 near the width of the first radiation zone 331 of grounding parts 34.
In the present embodiment, Department of Radiation 33 is designed to two radiation zones that width is different, while meeting antenna radiation performance, the volume of antenna can be reduced further, and then more spaces can be economized out on the substrate 31, be conducive to the development of antenna miniaturization.
In the present embodiment, substrate 31 is medium substrate, and the material of described medium substrate comprises FR4 material or F4B material.
Refer to Fig. 9, be depicted as the voltage standing wave ratio resolution chart of the antenna assembly that second embodiment of the invention provides.
As shown in Figure 9, the antenna assembly that second embodiment of the invention provides can form good coupling with external circuit, the energy of external circuit can the most effectively be transferred on antenna, the frequency range of this antenna comprises 824 ~ 960MHz and 1710 ~ 1990MHz, namely containing four, lid conventional communications band CDMA850, GSM900, DCS1800 and PCS1900.
Refer to Figure 10, be depicted as the H plane radiation field shape figure of the 900MHz of the antenna assembly that second embodiment of the invention provides.
Refer to Figure 11, be depicted as the E plane radiation field shape figure of the 900MHz of the antenna assembly that second embodiment of the invention provides.
Refer to Figure 12, be depicted as the H plane radiation field shape figure of the 1900MHz of the antenna assembly that second embodiment of the invention provides.
Refer to Figure 13, be depicted as the E plane radiation field shape figure of the 1900MHz of the antenna assembly that second embodiment of the invention provides.
From Figure 10 to 13, what show in figure is that antenna assembly energy position field shape of space radiation towards periphery on 900MHz and 1900MHz that second embodiment of the invention provides is schemed, affected by environment, antenna directivity can to a certain degree be affected, but entirety compares omnidirectional.
In addition, additionally provide a kind of wireless transceiver, this wireless transceiver comprises above-mentioned antenna assembly.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (13)
1. an antenna assembly, is characterized in that, described antenna assembly comprises:
Substrate;
Feeding portion, is arranged on described substrate, for feed-in electromagnetic wave signal;
Department of Radiation, is connected with described feeding portion and is arranged on described substrate, for radiated electromagnetic wave signal;
First coupler and the second coupler, be arranged at the both sides of described Department of Radiation respectively also near described Department of Radiation;
Grounding parts, is arranged on described substrate, and is connected with described Department of Radiation by described feeding portion.
2. antenna assembly as claimed in claim 1, it is characterized in that, described Department of Radiation is strip microstrip line, and in described Department of Radiation, the width near the microstrip line of described grounding parts is narrower than the width away from the microstrip line of described grounding parts.
3. antenna assembly as claimed in claim 1, it is characterized in that, described Department of Radiation is vertical with described grounding parts, and one end of described Department of Radiation is connected with described feeding portion, and the other end of described Department of Radiation extends towards the direction away from described grounding parts.
4. antenna assembly as claimed in claim 1, is characterized in that, axisymmetricly, and the lateral symmetry axle of described grounding parts is identical with the lateral symmetry axle of described Department of Radiation for described grounding parts.
5. antenna assembly as claimed in claim 1, it is characterized in that, described first coupler and all elongated microstrip line of described second coupler, and described first coupler connects with all vertical with the described grounding parts lotus root in one end of described second coupler, the other end of described first coupler and described second coupler all extends towards the direction away from described grounding parts.
6. antenna assembly as claimed in claim 5, it is characterized in that, described first coupler is all parallel with described Department of Radiation with described second coupler, and the length of described first coupler or described second coupler is all less than the length of described Department of Radiation.
7. antenna assembly as claimed in claim 1, it is characterized in that, described antenna assembly also comprises:
Fixture, is connected with described grounding parts, for fixing described substrate.
8. antenna assembly as claimed in claim 7, it is characterized in that, described fixture is metal fixing.
9. antenna assembly as claimed in claim 8, it is characterized in that, offer slotted eye in one end of described fixture, and the part that the thickness of the width of the slotted eye of described fixture and described substrate matches the substrate guaranteeing described grounding parts side just can insert described fixture slotted eye in be fixed.
10. antenna assembly as claimed in claim 8, is characterized in that, the length of described fixture is 1/4th of wavelength corresponding to described antenna assembly first resonance frequency.
11. antenna assemblies as claimed in claim 1, is characterized in that, the length of described Department of Radiation is 1/4th of wavelength corresponding to described antenna assembly first resonance frequency.
12. antenna assemblies as claimed in claim 1, it is characterized in that, described substrate is medium substrate, and the material of described medium substrate comprises FR4 material or F4B material.
13. 1 kinds of wireless transceivers, is characterized in that, comprise the antenna assembly as described in any one of claim 1 to 12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310376343.3A CN104425886B (en) | 2013-08-26 | 2013-08-26 | Antenna assembly and wireless transceiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310376343.3A CN104425886B (en) | 2013-08-26 | 2013-08-26 | Antenna assembly and wireless transceiver |
Publications (2)
| Publication Number | Publication Date |
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| CN104425886A true CN104425886A (en) | 2015-03-18 |
| CN104425886B CN104425886B (en) | 2018-08-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310376343.3A Active CN104425886B (en) | 2013-08-26 | 2013-08-26 | Antenna assembly and wireless transceiver |
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| Country | Link |
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| CN (1) | CN104425886B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106549224A (en) * | 2016-10-13 | 2017-03-29 | 江苏省东方世纪网络信息有限公司 | Antenna and terminal unit |
| CN107799879A (en) * | 2016-08-31 | 2018-03-13 | 宏碁股份有限公司 | Mobile device |
| CN108495596A (en) * | 2015-12-17 | 2018-09-04 | 科瑞欧医疗有限公司 | Deliver the electrosurgery probe of microwave energy |
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| CN2629236Y (en) * | 2003-05-19 | 2004-07-28 | 富士康(昆山)电脑接插件有限公司 | Antenna |
| EP1469553A1 (en) * | 2003-04-15 | 2004-10-20 | Hewlett-Packard Development Company, L.P. | Monopole antenna assembly |
| US20040263402A1 (en) * | 2003-06-25 | 2004-12-30 | Zhen-Da Hung | Planar antenna having adjustable mounting portion |
| CN101989678A (en) * | 2009-07-29 | 2011-03-23 | 富士通半导体股份有限公司 | Antenna and communication device including the same |
-
2013
- 2013-08-26 CN CN201310376343.3A patent/CN104425886B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1469553A1 (en) * | 2003-04-15 | 2004-10-20 | Hewlett-Packard Development Company, L.P. | Monopole antenna assembly |
| CN2629236Y (en) * | 2003-05-19 | 2004-07-28 | 富士康(昆山)电脑接插件有限公司 | Antenna |
| US20040263402A1 (en) * | 2003-06-25 | 2004-12-30 | Zhen-Da Hung | Planar antenna having adjustable mounting portion |
| CN101989678A (en) * | 2009-07-29 | 2011-03-23 | 富士通半导体股份有限公司 | Antenna and communication device including the same |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108495596A (en) * | 2015-12-17 | 2018-09-04 | 科瑞欧医疗有限公司 | Deliver the electrosurgery probe of microwave energy |
| CN107799879A (en) * | 2016-08-31 | 2018-03-13 | 宏碁股份有限公司 | Mobile device |
| CN106549224A (en) * | 2016-10-13 | 2017-03-29 | 江苏省东方世纪网络信息有限公司 | Antenna and terminal unit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104425886B (en) | 2018-08-14 |
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