CN105226375B - A kind of detachable lift-off interferometer with t-antenna - Google Patents
A kind of detachable lift-off interferometer with t-antenna Download PDFInfo
- Publication number
- CN105226375B CN105226375B CN201510692452.5A CN201510692452A CN105226375B CN 105226375 B CN105226375 B CN 105226375B CN 201510692452 A CN201510692452 A CN 201510692452A CN 105226375 B CN105226375 B CN 105226375B
- Authority
- CN
- China
- Prior art keywords
- antenna
- carry
- lower cover
- connection
- interface
- 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
- Support Of Aerials (AREA)
Abstract
The invention discloses a kind of detachable lift-off interferometer with t-antenna, including receiver and t-antenna（17）, the receiver include be connected with each other lower cover（1）And upper cover（2）, lower cover（1）Both sides be provided with it is one or more convenient for carry in the hanging scroll on unmanned plane（3）, lower cover（1）Bottom pass through antenna connection（5）With t-antenna（17）Connection；T-antenna（17）Including t-antenna stent（18）, the first dipole antenna（19）With the second dipole antenna（20）, the first dipole antenna（19）With the second dipole antenna（20）Branch armed lever is separately positioned on by positive and negative dress mode（22）Both ends；First dipole antenna（19）With the second dipole antenna（20）Output terminal pass through 0 ° of power splitter and receiver respectively and be electrically connected.The configuration of the present invention is simple, carry mode is convenient and reliable, and only there are one the small points of articulation for t-antenna, can more accurately determine arrival bearing.
Description
Technical field
The present invention relates to aircraft to carry monitoring device field, more particularly to a kind of detachable liter with t-antenna
Empty interferometer.
Background technology
Due to surface em environment complexity, the transmission of ultrashort wave (VHF/UHF) radio signal is by landform, atural object, height
The influence of crimping and industrial traffic etc., leads to that propagation path is changeable, the not pure and mild phase fluctuation of polarization.And the transmission ring of airwaves
Border is more clean, and aerial monitoring is more much better than the effect of ground monitoring.Therefore, we have proposed the new general of " stereoscopic monitoring "
It reads, i.e., on the basis of ground continental rise stationary monitoring or mobile monitoring, increases airborne aerial monitoring technology means, by flying
Device is (such as：Unmanned plane) on installation monitoring device realize aerial high-precision monitoring and DF and location, to make up ground monitoring
It is insufficient.However, current carry mode has, carry is inconvenient, stability, poor reliability, occurs two and more than two small
The point of articulation, the various problems such as direction finding is not accurate.
Invention content
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of detachable lift-offs with t-antenna
The problem of interferometer overcomes monitoring aerial multiple small points of articulation occur, and direction finding is inaccurate also overcomes antenna and receiver carry not side
Just, carry problem astatically.
The purpose of the present invention is achieved through the following technical solutions：A kind of detachable lift-off with t-antenna
Interferometer, it include receiver and t-antenna, the receiver include be connected with each other lower cover and upper cover, the two of the lower cover
Side be provided with it is one or more convenient for carry in the hanging scroll on unmanned plane, the bottom of the lower cover by antenna connection with it is T-shaped
Antenna connects.
The t-antenna includes t-antenna stent, the first dipole antenna and the second dipole antenna, the t-antenna
Stent passes through locking device including sequentially connected first support arm bar, second support arm bar and fixed block, the upright bar from left to right
It is connect with fixed block, first dipole antenna is connect by locking device with first support arm bar, the second dipole day
Line is connect by locking device with second support arm bar.
First dipole antenna and the second dipole antenna are separately positioned on the two of branch armed lever by positive and negative dress mode
End.
The phase of signal that the impedance transformer output terminal of first dipole antenna and the second dipole antenna is exported
Potential difference is 180 °, and the output terminal of the first dipole antenna and the second dipole antenna is electrical by 0 ° of power splitter and receiver respectively
Connection.
Further, 0 ° of power splitter is arranged on inside upright bar 21, in the upright bar 21 in set the housing of 0 ° of power splitter as
Rectangular configuration.
Further, the side of the lower cover, which is also distributed, is provided with power interface, WiFi antenna terminals, radio frequency input wall-through
Connector, antenna output wall-through connector, network interface and external wave filter.
Further, one end of the external wave filter is connect with radio frequency input wall-through connector, the external wave filter
The other end is connect with antenna output wall-through connector.
Further, the side of the lower cover is additionally provided with the fixed frame for fixing external wave filter.
Further, the hanging scroll includes the first locating part, the second locating part and axis body, and the axis body passes through the second limiting
Part is connect with the first locating part, and the axial line of the first locating part, the second locating part and axis body be same axial line, described first
Axis body between locating part and the second locating part is formed convenient for carry in the carry portion on unmanned plane.
In the present invention, the hanging scroll is connect by carry part with unmanned plane.
Further, one end of the carry part offers the straight slot of bending, and one end of the straight slot is openend, described
The other end of straight slot is carry end, and the carry portion slips into carry end by openend, and the other end of the carry part, which is equipped with, to be used
In the carry connecting plate for being fixedly connected with unmanned plane.
Further, the straight slot includes the direct through groove of at least two connections, forms at least one bending part.
In the present invention, the middle part of the antenna connection is equipped with locking nut, and one end of the antenna connection passes through admittedly
Fixed board is fixedly connected with port with antenna and matches connection, and the antenna connection other end is equipped with antenna to interface, the antenna pair
Locating slot is begun on interface, the antenna is to being equipped with antenna electrical interface in interface.
Further, the antenna electrical interface includes radio frequency interface and control interface, and the radio frequency interface connects including BMA
Device is connect, the control interface includes J connectors.
Further, it is additionally provided with one or more reinforcing rib in the bottom interior wall of the lower cover.
Further, the side of the lower cover and upper cover is additionally provided with radiator.
Further, the side of the lower cover is additionally provided with switch and indicator light.
Further, the locking device 25 includes fastener and plug connector.
Further, the first support arm bar 22 and second support arm bar 23 also pass through locking device 25 and fixed block 24 respectively
Connection.
The beneficial effects of the invention are as follows：The present invention proposes a kind of detachable lift-off interferometer with t-antenna, connects
Receipts machine can be by hanging scroll and on unmanned plane carry part, on carry to unmanned plane, the bottom of receiver can pass through antenna
Connector is connect with t-antenna, so as to quickly be assembled into lift-off interferometer direction finding equipment.The configuration of the present invention is simple, carry mode
It is convenient and reliable.
T-antenna in the present invention is using the dipole antenna of two positive and negative dresses, and when arrival bearing is -90 °, first is even
On 19 and second dipole antenna 20 of pole sub-antenna reception energy vector enter 180 ° when it is just equal, one of them to
Amount is equal with another vector magnitude after 180 ° of phase shifts, and the phase difference of output signal is 180 °, is synthesized through 0 ° of power splitter
Afterwards, two vectorial differences are 0, form the small point of articulation.The wave vector of coming for carrying out wave vector synthesis all -90 ° of ratios in other directions synthesizes greatly,
When arrival bearing is at 90 °, two vector synthesis are maximum.In the present invention, which, therefore can be with only there are one the small point of articulation
More accurately determine arrival bearing.
Description of the drawings
Fig. 1 is the front view of the hanging lift-off interferometer after the completion of being assembled in the present invention；
Fig. 2 is the structure diagram of t-antenna in the present invention；
Fig. 3 is the structure diagram that plug connector is used in the present invention；
Fig. 4 is the side view of the hanging lift-off interferometer after the completion of being assembled in the present invention；
Fig. 5 is the structure diagram of hanging scroll in the present invention；
Fig. 6 is the structure diagram of carry part in the present invention；
Fig. 7 is the bottom view of hanging lift-off interferometer in the present invention；
Fig. 8 is the lower cover bottom substance schematic diagram of hanging lift-off interferometer in the present invention；
In figure, 1- lower covers, 2- upper covers, 3- hanging scrolls, the first locating parts of 301-, the second locating parts of 302-, 303- axis bodies, 4- extensions
Holder, 401- straight slots, 402- carry connecting plates, 5- antenna connections, 501- fixed plates, 502- antennas are to interface, 503- positioning
Slot, 504- radio frequency interfaces, 505- control interfaces, 6- radiators, 7- power interfaces, 8- WiFi antenna terminals, 9- switches, 10-
Indicator light, 11- radio frequencies input wall-through connector, 12- antennas output wall-through connector, 13- network interfaces, 14- reinforcing ribs, 15- are external
Wave filter, 16- fixed frames, 17-T type antennas, 18-T type antenna holders, the first dipole antennas of 19-, the second dipoles of 20- day
Line, 21- upright bars, 22- branch armed levers.
Specific embodiment
Technical scheme of the present invention is described in further detail below in conjunction with the accompanying drawings, but protection scope of the present invention is not limited to
It is as described below.
As shown in Figure 1, a kind of detachable lift-off interferometer with t-antenna, a kind of detachable with t-antenna
Formula lift-off interferometer, it includes receiver and t-antenna 17, and the receiver includes the lower cover 1 being connected with each other and upper cover 2, institute
The both sides for stating lower cover 1 are provided with one or more convenient for carry in the hanging scroll 3 on unmanned plane, and the bottom of the lower cover 1 passes through day
Wire connections 5 are connect with t-antenna 17.
As shown in Fig. 2, the t-antenna 17 includes t-antenna stent 18, the first dipole antenna 19 and the second dipole
Antenna 20, the t-antenna stent 18 include sequentially connected first support arm bar 22, second support arm bar 23 from left to right and fix
Block 24, the upright bar 21 are connect by locking device 25 with fixed block 24, and first dipole antenna 19 passes through locking device
25 connect with first support arm bar 22, and second dipole antenna 20 is connect by locking device 25 with second support arm bar 23.
Further, in the present invention, the locking device 25 includes fastener and plug connector.In order to complete more quickly
Assembly work, the locking device 25 are preferably plug connector, as shown in Figure 3.
Further, in the present invention, the equal length of the first support arm bar 22 and second support arm bar 23.Described first
Armed lever 22 and second support arm bar 23 can also be connect by locking device 25 with fixed block 24 respectively.In addition, in the present invention, described
The branch armed lever of one armed lever 22 and second support arm bar 23 or an entirety passes through fixed block and is fastened by nut lock
It is fixed.
First dipole antenna, 19 and second dipole antenna 20 is separately positioned on branch armed lever by positive and negative dress mode
22 both ends.
The signal that the impedance transformer output terminal of first dipole antenna, 19 and second dipole antenna 20 is exported
Phase difference for 180 °, the output terminal of the first dipole antenna 19 and the second dipole antenna 20 is respectively by 0 ° of power splitter with connecing
Receipts machine is electrically connected.
Further, 0 ° of power splitter is arranged on inside upright bar 21, in the upright bar 21 in set the housing of 0 ° of power splitter as
Rectangular configuration.
In the present invention, when arrival bearing is -90 °, connecing on the first dipole antenna 19 and the second dipole antenna 20
The vector for receiving energy is just equal when entering 180 °, and one of vector is after 180 ° of phase shifts, with another vector magnitude
Equal, the phase difference of output signal is 180 °, and after 0 ° of power splitter synthesizes, two vectorial differences are 0, form the small point of articulation.Its
He synthesizes greatly the wave vector of coming for carrying out wave vector synthesis -90 ° of ratios in direction, and when arrival bearing is at 90 °, two vector synthesis are most
Greatly.In the present invention, the t-antenna is only there are one the small point of articulation, therefore arrival bearing can more accurately be determined.
In the present invention, the directional diagram to make small point of articulation t-antenna is not distorted, the bore d and work of small point of articulation t-antenna
The relationship for making wavelength X is, the λ of d≤1/4, wherein, bore d is generally between the first dipole antenna 19 and the second dipole antenna 20
Distance.
In the present invention, the side of the lower cover 1, which is also distributed, is provided with power interface 7, WiFi antenna terminals 8, radio frequency input
Wall-through connector 11, antenna output wall-through connector 12, network interface 13 and external wave filter 15.The side of the lower cover 1 is additionally provided with
Switch 9 and indicator light 10.
Wherein, in order to reduce the volume of the present invention, and then mitigate the weight of the present invention, network interface 13 can be with power interface
7th, WiFi antenna terminals 8, switch 9, indicator light 10, radio frequency input wall-through connector 11 and antenna output wall-through connector 12 oppose and divide
Cloth.As shown in figure 4, the middle side part setting network interface 13 of lower cover 1.The opposite side of lower cover 1 is only sequentially distributed radio frequency from a left side
Input wall-through connector 11, antenna output wall-through connector 12, WiFi antenna terminals 8, power interface 7, switch 9 and indicator light 10.
Further, one end of the external wave filter 15 is connect with radio frequency input wall-through connector 11, the external filtering
The other end of device 15 is connect with antenna output wall-through connector 12.
Further, the side of the lower cover 1 is additionally provided with the fixed frame 16 for fixing external wave filter 15.The fixation
Frame 16 can be L-type support, and external wave filter 15 is stuck on lower cover lateral wall, to further fix external wave filter 15, is avoided
It occurs loose contact, displacement in flight course or the situations such as falls.
As shown in figure 5, further, the hanging scroll 3 includes the first locating part 301, the second locating part 302 and axis body 303,
The axis body 303 is connect across the second locating part 302 with the first locating part 301, and the first locating part 301, the second locating part 302
It is same axial line with the axial line of axis body 303,303 shape of axis body between 301 and second locating part 302 of the first locating part
Into convenient for carry in the carry portion 304 on unmanned plane.
As shown in fig. 6, further, the hanging scroll 3 is connect by carry part 4 with unmanned plane, one end of the carry part 4
Offer the straight slot 401 of bending, one end of the straight slot 401 is openend, and the other end of the straight slot 401 is carry end, institute
It states carry portion 304 and carry end is slipped by openend, complete carry action.The other end of the carry part 4 is equipped with to fix
Connect the carry connecting plate 402 of unmanned plane.
The straight slot 401 of the bending such as 7 font straight slots, include the direct through groove of at least two connections, are formed at least one curved
Folding part, straight slot 401 shown in Fig. 3 are connected by three direct through groove and are formed, and are had there are two bending part, restriction direct through groove of the invention
Without being using the purpose of arc-shaped slot, the stability and reliability of carry are further promoted, lift-off interferometer is avoided to hang
It carries in flight course, due to factors such as lifting and air-flows, hanging scroll is made to be skidded off from straight slot 401.
As shown in fig. 7, further, the middle part of the antenna connection 5 is equipped with locking nut, the antenna connection 5
Matching mutually compatible with the antenna of different frequency range type.One end of the antenna connection 5 is fixed by fixed plate 501 and antenna to be connected
Port match connection is connect, 5 other end of antenna connection is equipped with antenna to interface 502, and the antenna on interface 502 to starting
There is locating slot 503, the antenna is to being equipped with antenna electrical interface in interface 502.
Further, the antenna electrical interface includes radio frequency interface 504 and control interface 505, in of the invention, can also adopt
It is designed with blindmate, BMA connectors may be used in such as radio frequency interface 504, and micro- rectangle may be used in the control interface 505
J30 connectors.
As shown in figure 8, it is further, one or more reinforcing rib 14 can be also set in the bottom interior wall of the lower cover 1, is used
Four reinforcing ribs in the distribution of X-type.
Further, the side of the lower cover 1 and upper cover 2 can also set radiator 6, such as set multiple ventilation holes, will be certainly
Right wind is introduced into inside equipment, so as to which the heat inside equipment be taken away, reduces the temperature of equipment.
Describe a kind of detachable liter with t-antenna according to the present invention in an illustrative manner above with reference to attached drawing
Empty interferometer.It will be understood by those skilled in the art, however, that the invention described above is proposed a kind of with t-antenna
Detachable lift-off interferometer can also make various improvement or to its middle part on the basis of the content of present invention is not departed from
Point technical characteristic carries out equivalent replacement, and all within the spirits and principles of the present invention, any modification for being made, changes equivalent replacement
Into etc., it should all be included in the protection scope of the present invention.Therefore, protection scope of the present invention should be by appended claim
The content of book determines.
Claims (5)
1. a kind of detachable lift-off interferometer with t-antenna, it is characterised in that：It includes receiver and t-antenna
（17）, the receiver include be connected with each other lower cover（1）And upper cover（2）, the lower cover（1）Both sides setting there are one or it is more
It is a to be convenient for carry in the hanging scroll on unmanned plane（3）, the lower cover（1）Bottom pass through antenna connection（5）With t-antenna（17）
Connection；
The t-antenna（17）Including t-antenna stent（18）, the first dipole antenna（19）With the second dipole antenna
（20）, the t-antenna stent（18）Including sequentially connected first support arm bar from left to right（22）, fixed block（24）With second
Branch armed lever（23）, the fixed block（24）Pass through locking device（25）With upright bar（21）Connection, first dipole antenna
（19）Pass through locking device（25）With first support arm bar（22）Connection, second dipole antenna（20）Pass through locking device
（25）With second support arm bar（23）Connection；
First dipole antenna（19）With the second dipole antenna（20）Branch armed lever is separately positioned on by positive and negative dress mode
（22）Both ends；
First dipole antenna（19）With the second dipole antenna（20）The signal that is exported of impedance transformer output terminal
Phase difference for 180 °, the first dipole antenna（19）With the second dipole antenna（20）Output terminal pass through 0 ° of power splitter respectively
It is electrically connected with receiver, the hanging scroll（3）Including the first locating part（301）, the second locating part（302）And axis body（303）, institute
State axis body（303）Across the second locating part（302）With the first locating part（301）Connection, and the first locating part（301）, second limit
Position part（302）And axis body（303）Axial line for same axial line, first locating part（301）With the second locating part（302）
Between axis body（303）It is formed convenient for carry in the carry portion on unmanned plane（304）, the lower cover（1）Side be also distributed and set
It is equipped with power interface（7）, WiFi antenna terminals（8）, radio frequency input wall-through connector（11）, antenna output wall-through connector（12）, net
Network interface（13）With external wave filter（15）, the antenna connection（5）Middle part be equipped with locking nut, the antenna connection
（5）One end pass through fixed plate（501）With the lower cover（1）The antenna of bottom is fixedly connected with port matching connection, the antenna
Connector（5）The other end is equipped with antenna to interface（502）, the antenna is to interface（502）On begin with locating slot（503）, institute
Antenna is stated to interface（502）Interior to be equipped with antenna electrical interface, the antenna electrical interface includes radio frequency interface（504）It is connect with control
Mouthful（505）, the radio frequency interface（504）Including BMA connectors, the control interface（505）Including J30 connectors, the extension
Axis（3）Pass through carry part（4）It is connect with unmanned plane, the carry part（4）One end offer the straight slot of bending（401）, it is described
Straight slot（401）One end for openend, the straight slot（401）The other end for carry end, the carry portion（304）Pass through opening
Carry end, the carry part are slipped into end（4）The other end be equipped with for the carry connecting plate that is fixedly connected with unmanned plane（402）, institute
State straight slot（401）Include the direct through groove of at least two connections, form at least one bending part.
2. a kind of detachable lift-off interferometer with t-antenna according to claim 1, it is characterised in that：It is described
Lower cover（1）Bottom interior wall on be additionally provided with one or more reinforcing rib（13）, the lower cover（1）And upper cover（2）Side be equipped with
Radiator（6）, the lower cover（1）Side be additionally provided with switch（9）And indicator light（10）.
3. a kind of detachable lift-off interferometer with t-antenna according to claim 1, it is characterised in that：It is described
0 ° of power splitter is arranged on upright bar（21）Inside, the upright bar（21）The housing of 0 ° of power splitter is set as rectangular configuration in upper.
4. a kind of detachable lift-off interferometer with t-antenna according to claim 1, it is characterised in that：It is described
Lower cover（1）Side be additionally provided with to fix external wave filter（15）Fixed frame（16）, the external wave filter（15）One
End inputs wall-through connector with radio frequency（11）Connection, the external wave filter（15）The other end and antenna export wall-through connector（12）
Connection.
5. a kind of detachable lift-off interferometer with t-antenna according to claim 1, it is characterised in that：It is described
Locking device（25）Including fastener and plug connector；
The first support arm bar（22）With second support arm bar（23）Also pass through locking device respectively（25）With fixed block（24）Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510692452.5A CN105226375B (en) | 2015-10-23 | 2015-10-23 | A kind of detachable lift-off interferometer with t-antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510692452.5A CN105226375B (en) | 2015-10-23 | 2015-10-23 | A kind of detachable lift-off interferometer with t-antenna |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105226375A CN105226375A (en) | 2016-01-06 |
| CN105226375B true CN105226375B (en) | 2018-06-15 |
Family
ID=54995177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510692452.5A Active CN105226375B (en) | 2015-10-23 | 2015-10-23 | A kind of detachable lift-off interferometer with t-antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105226375B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205680774U (en) * | 2016-04-15 | 2016-11-09 | 深圳市大疆创新科技有限公司 | Antenna holder, positioning module and unmanned plane |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB596614A (en) * | 1944-07-22 | 1948-01-07 | Standard Telephones Cables Ltd | Antenna structure |
| CN201797048U (en) * | 2010-05-18 | 2011-04-13 | 南京天之谱科技有限公司 | Ultrashort wave direction-finding antenna array |
| CN205092312U (en) * | 2015-10-23 | 2016-03-16 | 成都九华圆通科技发展有限公司 | Detachable interferometer that goes up to air with T type antenna |
-
2015
- 2015-10-23 CN CN201510692452.5A patent/CN105226375B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB596614A (en) * | 1944-07-22 | 1948-01-07 | Standard Telephones Cables Ltd | Antenna structure |
| CN201797048U (en) * | 2010-05-18 | 2011-04-13 | 南京天之谱科技有限公司 | Ultrashort wave direction-finding antenna array |
| CN205092312U (en) * | 2015-10-23 | 2016-03-16 | 成都九华圆通科技发展有限公司 | Detachable interferometer that goes up to air with T type antenna |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105226375A (en) | 2016-01-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206907920U (en) | A kind of unmanned plane of dual-band microstrip antenna and the application antenna | |
| CN101005155B (en) | Folded dipole antenna device and mobile radio terminal | |
| CN101707292B (en) | Broadband dual polarized antenna | |
| CN105977634B (en) | A kind of LTE Whole frequency band antenna structure of mobile phole | |
| CN205375019U (en) | Intelligent wearable device | |
| CN108808221A (en) | antenna system and mobile terminal | |
| CN208315766U (en) | antenna and antenna system | |
| CN108258407B (en) | A kind of antenna and electronic equipment | |
| CN105403855B (en) | A kind of monitoring and direction finding system that direction-finding equipment is carried based on aircraft | |
| CN109546321B (en) | Base station antenna and oscillator structure thereof | |
| CN104966883A (en) | Antenna oscillator assembly, antenna and communication equipment | |
| GB2542257A (en) | Reconfigurable antenna for incorporation in the hinge of a laptop computer | |
| CN104103894A (en) | Antenna and array antenna | |
| CN106025519B (en) | Optimize isolated antennas structure | |
| CN105226375B (en) | A kind of detachable lift-off interferometer with t-antenna | |
| WO2018154132A4 (en) | Antenna arrangement and a device comprising such an antenna arrangement | |
| EP3787101A1 (en) | Multimode resonator | |
| CN205509020U (en) | Communication terminal | |
| CN105223540B (en) | A kind of aircraft monitoring and direction finding system | |
| CN106256088A (en) | There is the device of frequency variable filter for suppressing harmonic wave | |
| CN204118242U (en) | Wideband dual-polarization radiating unit and array antenna | |
| CN207781876U (en) | Antenna module, shell and mobile terminal | |
| CN205092312U (en) | Detachable interferometer that goes up to air with T type antenna | |
| US10797396B2 (en) | Aperture coupled patch antenna arrangement | |
| CN105470633B (en) | 2G, 3G, 4G integrate multifrequency antenna and wireless communication terminal |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Ning Tao Inventor after: Wang Lei Inventor after: Ren Dan Inventor after: Liu Kehui Inventor after: Yu Fei Inventor before: Ning Tao Inventor before: Zhao Qinghua Inventor before: Ma Xiaolin Inventor before: Wu Weidong Inventor before: Yin Qi |
|
| CB03 | Change of inventor or designer information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |