CN106410391A - Nine-corner electromagnetic wave energy receiving type antenna - Google Patents
Nine-corner electromagnetic wave energy receiving type antenna Download PDFInfo
- Publication number
- CN106410391A CN106410391A CN201610816591.9A CN201610816591A CN106410391A CN 106410391 A CN106410391 A CN 106410391A CN 201610816591 A CN201610816591 A CN 201610816591A CN 106410391 A CN106410391 A CN 106410391A
- Authority
- CN
- China
- Prior art keywords
- rotating graphs
- point
- line segment
- axis
- radius
- 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.)
- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
Landscapes
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The invention discloses a nine-corner electromagnetic wave energy receiving type antenna. The nine-corner electromagnetic wave energy receiving type antenna comprises a dielectric covering layer, a dielectric substrate and a grounding plate which are consistent in size and mutually attached from top to bottom; a metal antenna patch is attached to one side of the dielectric substrate where the dielectric covering layer is attached; a cylindrical metal conductor which vertically penetrates the dielectric substrate is arranged in the middle of the dielectric substrate; and the grounding plate is provided with a round hole which is concentric with the bottom surface of the cylindrical metal conductor. The nine-corner electromagnetic wave energy receiving type antenna has lower return loss, good impedance matching and standing-wave ratio as well as relatively high gain, and accordingly can receive RF energy in the environment efficiently.
Description
Technical field
The invention belongs to electromagnetic energy reception antenna technical field is and in particular to one kind is used for receiving RF energy in environment
Nine jiaos of electromagnetic wave energy reception type antennas.
Background technology
At home, start late with regard to the transmission technology research in the radio-frequency wireless energy confined space, rapidly send out in science and technology
Today of exhibition, with the raising of economic progress and scientific research level, increasing company and scientific research institution begin to focus on and open
The research of exhibition this respect, carries out the collection of radio frequency energy in the confined space.
Content of the invention
Present invention solves the technical problem that there is provided a kind of structure nine jiaos of electromagnetic wave energies simple and reasonable in design connecing
Receipts type antenna, the less size having for the more other antenna of this antenna, the loss of relatively low clawback, good impedance
Join and higher gain.
The present invention is to solve above-mentioned technical problem to adopt the following technical scheme that, nine jiaos of electromagnetic wave energy reception type antennas, its
It is characterised by including consistent size from top to bottom and dielectric passivation bonded to each other, medium substrate and earth plate, wherein with Jie
It is pasted with metal antenna paster, the middle part of medium substrate is provided with and extends vertically through medium on the medium substrate of matter cover layer laminating side
The cylindrical metal conductor of substrate, earth plate is provided with the circular hole concentric with cylindrical metal conductor bottom surface；Described dielectric overlay
The material of layer is Rogers RO6002, permittivity εr=2.94, thickness d=0.51mm, length and width is 30mm；Institute
The radius stating the circular coverage rate of metal antenna paster is 0.11082 λ, and wherein λ=122mm, λ are the wavelength of 2.45GHz radio frequency,
Thickness is 0.02mm, and material is copper, and the material of described medium substrate is Rogers RO6010, permittivity εr=10.2, thickness
D=2.54mm, length and width is 30mm, the center position of the central point of metal antenna paster and medium substrate upper surface
Unanimously；The design shape of described metal antenna paster and size meet following requirement, set up plane right-angle coordinate, will (0mm ,-
2.5mm) as starting point, (13.75mm, -2.5mm) is that another end points makes the line segment of an a length of 13.75mm along x-axis positive direction
One, with point (13.75mm, -2.5mm) for the point of rotation, line segment one is rotated 115 ° in the counterclockwise direction, with curvilinear equationIntersection point be H (15.3348mm, -5.8986mm), mirror is made for symmetry axis with straight line y=-x
Face symmetrically obtains point L (5.8986mm, -15.3348mm), then the direction being 65 ° along line segment one and x-axis angle, in reference axis the
Extend to original 2 times in four intervals, be extended line segment two, by extending line segment two, minute surface is made for symmetry axis with straight line y=-x
Symmetrically it is extended line segment three, extend line segment two and the intersection point of prolongation line segment three is
Difference tie point H (15.3348mm, -5.8986mm),And L
(5.8986mm, -15.3348mm),Obtain line segment HW and line segment LW,
Again by initial point (0mm, 0mm) as starting point, make the line segment of an a length of 2.5mm along x-axis positive direction, with (2.5mm ,-
1.25mm) be first curve the center of circle, with (2.5mm, 0mm) be end point, with (3.75mm, -1.25mm) be another end points,
Radius r1=1.25mm, makes angle of circumference and is 90 °, and direction is the circular arc protruding to x-axis and y-axis positive direction, with (5mm ,-
1.25mm) be second curve the center of circle, with (3.75mm, -1.25mm) be end point, with (6.25mm, -1.25mm) be another
End points, radius r2=1.25mm, make angle of circumference be 180 °, direction be to y-axis negative direction protrude circular arc, then with
(7.5mm, -1.25mm) is the center of circle of the 3rd curve, with (6.25mm, -1.25mm) for end point, with (7.5mm, 0mm) is
Another end points, radius r3=1.25mm, makes angle of circumference and is 90 °, and direction is the circle protruding to x-axis negative direction and y-axis positive direction
Arc, the center of circle being the 4th curve with (7.5mm, -2.5mm), with (7.5mm, 0mm) for end point, with (10mm, -2.5mm) be
Another end points, radius r4=2.5mm, makes angle of circumference and is 90 °, and direction is the circular arc protruding to x-axis and y-axis positive direction, with
(13.75mm, -2.5mm) is the center of circle of the 5th curve, with (10mm, -2.5mm) be end point, with H (15.3348mm, -
It is 5.8986mm) another end points, radius r5=3.75mm, makes angle of circumference and is 115 °, direction is convex to x-axis and y-axis negative direction
The circular arc going out, obtains initial graphics one, with straight line y=-x as symmetry axis, initial graphics one is carried out minute surface symmetrically, obtains initial
Figure two, line segment HW, line segment LW, initial graphics one and initial graphics two merge and obtain rotating graphs one, by rotating graphs one with
PointFor the point of rotation, clockwise successively 40 ° of rotation, 80 °, 120 °,
160 °, 200 °, 240 °, 280 ° and 320 °, respectively obtain rotating graphs two, rotating graphs three, rotating graphs four, rotating graphs
5th, rotating graphs six, rotating graphs seven, rotating graphs eight and rotating graphs nine, rotating graphs one, rotating graphs two, rotation figure
Shape three, rotating graphs four, rotating graphs five, rotating graphs six, rotating graphs seven, rotating graphs eight and rotating graphs nine merge
To closed figure, the circular coverage rate reduced radius of closed figure are that original 0.4027 times obtains required metal antenna paster
Design shape and size, obtain metal antenna paster according to design shape and size cutting；Described cylindrical metal conductor
One end is connected with metal antenna paster, and the material of cylindrical metal conductor is copper, its bottom surface radius r=0.5mm, and thickness d=
2.54mm, cylindrical metal conductor is divided with the vertical range of four sides in the junction center of circle and medium substrate of metal antenna paster
Not Wei 16.51mm, 16.51mm, 13.49mm and 13.49mm, the aperture of circular hole on the earth plate relative with cylindrical metal conductor
R=1.9mm, the output interface of the described cylindrical metal conductor other end is connected with energy management circuit, this energy management circuit
For the energy absorbing is stored.
The technique effect of the present invention is：Nine jiaos of electromagnetic wave energy reception type antennas have lower return loss, good
Impedance matching and standing wave and higher gain are such that it is able to RF energy in efficient reception environment.
Brief description
Fig. 1 is the structural representation of metal antenna paster；
Fig. 2 is nine jiaos of electromagnetic wave energy reception type antenna structure views；
Fig. 3 is the return loss of nine jiaos of electromagnetic wave energy reception type antennas using the simulation of HFSS antenna modeling simulation software
Figure；
Fig. 4 is nine jiaos of electromagnetic wave energy reception type antenna gain patterns using the simulation of HFSS antenna modeling simulation software.
In figure：1st, dielectric passivation, 2, medium substrate, 3, earth plate, 4, metal antenna paster, 5, cylindrical metal leads
Body, 6, circular hole.
Specific embodiment
Below in conjunction with the accompanying drawing in the present invention, the technical scheme in specific implementation process of the present invention is carried out clear, complete
Whole, specific description.
The core of this invention is nine jiaos of electromagnetic wave energy reception type Antenna Designs, and it is right to need in microstrip antenna designs
The size of the metal antenna paster of nine jiaos of electromagnetic wave energy reception type antennas, the size of medium substrate, thickness carry out theoretic
Estimation, more quickly could accurately find nine jiaos of electromagnetic wave energy reception types of suitable CF when simulated experiment
Antenna.So below, the theoretical calculation method of explanation each data parameters of microstrip antenna. taking rectangular microstrip antenna as a example.
Patch size L × W, patch width W is：
In (1) formula, c is the light velocity, f0For forbidden band centre frequency, εrFor relative dielectric constant.
The relative efficiency permittivity ε of microstrip antenna medium substratereFor：
H represents thickness of dielectric layers, and in order to reduce the impact to antenna performance for the surface wave, the thickness of dielectric substrate should
Meet theoretical calculation formula：
Wherein fuHighest frequency for the work of microstrip antenna.
The equivalent radiated power gap length △ L of microstrip antenna is：
Then length L of microstrip antenna paster is：
Size L of earth plateg×WgMeet following theoretical formula
Lg≥L+6h (6)
Wg≥W+6h (7)
Rectangular microstrip antenna be that coaxial line is fed, after determining the length and width of rectangular patch, typically
The normal impedance of 50 Ω is added in microstrip antenna.
As shown in Figure 1-2, nine jiaos of electromagnetic wave energy reception type antennas, including consistent size from top to bottom and bonded to each other
Dielectric passivation 1, medium substrate 2 and earth plate 3, the medium substrate 2 of side of wherein fitting with dielectric passivation 1 is pasted with gold
Belong to antenna patch 4, the middle part of medium substrate 2 is provided with the cylindrical metal conductor 5 extending vertically through medium substrate 2, earth plate 3 sets
There is the circular hole 6 concentric with cylindrical metal conductor 5 bottom surface；The material of described dielectric passivation 1 is Rogers RO6002, dielectric
Constant εr=2.94, thickness d=0.51mm, length and width is 30mm；The circular coverage rate of described metal antenna paster 4
Radius is 0.11082 λ, and wherein λ=122mm, λ are the wavelength of 2.45GHz radio frequency, and thickness is 0.02mm, and material is copper, is given an account of
The material of matter substrate 2 is Rogers RO6010, permittivity εr=10.2, thickness d=2.54mm, length and width is
30mm, the central point of metal antenna paster 4 is consistent with the center position of medium substrate 2 upper surface；Described metal antenna paster 4
Design shape and size meet following require, set up plane right-angle coordinate, by (0mm, -2.5mm) as starting point,
(13.75mm, -2.5mm) is that another end points makes the line segment one of an a length of 13.75mm along x-axis positive direction, with point
(13.75mm, -2.5mm) is the point of rotation, line segment one is rotated 115 ° in the counterclockwise direction, with curvilinear equationIntersection point be H (15.3348mm, -5.8986mm), mirror is made for symmetry axis with straight line y=-x
Face symmetrically obtains point L (5.8986mm, -15.3348mm), then the direction being 65 ° along line segment one and x-axis angle, in reference axis the
Extend to original 2 times in four intervals, be extended line segment two, by extending line segment two, minute surface is made for symmetry axis with straight line y=-x
Symmetrically it is extended line segment three, extend line segment two and the intersection point of prolongation line segment three is
Difference tie point H (15.3348mm, -5.8986mm),And L
(5.8986mm, -15.3348mm),Obtain line segment HW and line segment LW,
Again by initial point (0mm, 0mm) as starting point, make the line segment of an a length of 2.5mm along x-axis positive direction, with (2.5mm ,-
1.25mm) be first curve the center of circle, with (2.5mm, 0mm) be end point, with (3.75mm, -1.25mm) be another end points,
Radius r1=1.25mm, makes angle of circumference and is 90 °, and direction is the circular arc protruding to x-axis and y-axis positive direction, with (5mm ,-
1.25mm) be second curve the center of circle, with (3.75mm, -1.25mm) be end point, with (6.25mm, -1.25mm) be another
End points, radius r2=1.25mm, make angle of circumference be 180 °, direction be to y-axis negative direction protrude circular arc, then with
(7.5mm, -1.25mm) is the center of circle of the 3rd curve, with (6.25mm, -1.25mm) for end point, with (7.5mm, 0mm) is
Another end points, radius r3=1.25mm, makes angle of circumference and is 90 °, and direction is the circle protruding to x-axis negative direction and y-axis positive direction
Arc, the center of circle being the 4th curve with (7.5mm, -2.5mm), with (7.5mm, 0mm) for end point, with (10mm, -2.5mm) be
Another end points, radius r4=2.5mm, makes angle of circumference and is 90 °, and direction is the circular arc protruding to x-axis and y-axis positive direction, with
(13.75mm, -2.5mm) is the center of circle of the 5th curve, with (10mm, -2.5mm) be end point, with H (15.3348mm, -
It is 5.8986mm) another end points, radius r5=3.75mm, makes angle of circumference and is 115 °, direction is convex to x-axis and y-axis negative direction
The circular arc going out, obtains initial graphics one, with straight line y=-x as symmetry axis, initial graphics one is carried out minute surface symmetrically, obtains initial
Figure two, line segment HW, line segment LW, initial graphics one and initial graphics two merge and obtain rotating graphs one, by rotating graphs one with
PointFor the point of rotation, clockwise successively 40 ° of rotation, 80 °, 120 °,
160 °, 200 °, 240 °, 280 ° and 320 °, respectively obtain rotating graphs two, rotating graphs three, rotating graphs four, rotating graphs
5th, rotating graphs six, rotating graphs seven, rotating graphs eight and rotating graphs nine, rotating graphs one, rotating graphs two, rotation figure
Shape three, rotating graphs four, rotating graphs five, rotating graphs six, rotating graphs seven, rotating graphs eight and rotating graphs nine merge
To closed figure, the circular coverage rate reduced radius of closed figure are that original 0.4027 times obtains required metal antenna paster
4 design shape and size, obtain metal antenna paster 4 according to design shape and size cutting；Described cylindrical metal conductor 5
One end be connected with metal antenna paster 4, the material of cylindrical metal conductor 5 is copper, its bottom surface radius r=0.5mm, thickness d
=2.54mm, cylindrical metal conductor 5 is vertical with 2 four sides in the junction center of circle and medium substrate of metal antenna paster 4
Distance respectively 16.51mm, 16.51mm, 13.49mm and 13.49mm, circle on the earth plate 3 relative with cylindrical metal conductor 5
The aperture R=1.9mm in hole 6, the output interface of the described cylindrical metal conductor other end is connected with energy management circuit, this energy
Management circuit is used for being stored the energy absorbing.
Fig. 3 is the return loss of nine jiaos of electromagnetic wave energy reception type antennas using the simulation of HFSS antenna modeling simulation software
Figure, as seen from the figure, the return loss of this nine jiaos of electromagnetic wave energy reception type antennas is -36.5dB, than other same volume antennas
Return loss also little, performance is very good.
Fig. 4 be using HFSS antenna modeling simulation software simulation nine jiaos of electromagnetic wave energy reception type antennas in XZ plane
Gain diagram, as seen from the figure, this nine jiaos of electromagnetic wave energy reception type antennas 2.45GHz maximum gain be 3.72dB, direction
Property is very stable.
Embodiment above describes general principle, principal character and the advantage of the present invention, the technical staff of the industry should
Understand, the present invention is not restricted to the described embodiments, the simply explanation present invention's described in above-described embodiment and specification is former
Reason, under the scope without departing from the principle of the invention, the present invention also has various changes and modifications, and these changes and improvements each fall within
In the scope of protection of the invention.
Claims (1)
1. nine jiaos of electromagnetic wave energy reception type antennas are it is characterised in that include consistent size and medium bonded to each other from top to bottom
Cover layer, medium substrate and earth plate, the medium substrate of side of wherein fitting with dielectric passivation is pasted with metal antenna patch
Piece, the middle part of medium substrate is provided with the cylindrical metal conductor extending vertically through medium substrate, and earth plate is provided with and cylinder gold
Belong to the concentric circular hole in conductor bottom surface；The material of described dielectric passivation is Rogers RO6002, permittivity εr=2.94, thick
Degree d=0.51mm, length and width is 30mm；The radius of the circular coverage rate of described metal antenna paster is 0.11082 λ,
Wherein λ=122mm, λ are the wavelength of 2.45GHz radio frequency, and thickness is 0.02mm, and material is copper, and the material of described medium substrate is
Rogers RO6010, permittivity εr=10.2, thickness d=2.54mm, length and width is 30mm, metal antenna paster
Central point consistent with the center position of medium substrate upper surface；The design shape of described metal antenna paster and size meet
Following requirement, sets up plane right-angle coordinate, and by (0mm, -2.5mm) as starting point, (13.75mm, -2.5mm) is another end points
Make the line segment one of an a length of 13.75mm along x-axis positive direction, with point (13.75mm, -2.5mm) for the point of rotation, by line segment one
Rotate 115 ° in the counterclockwise direction, with curvilinear equationIntersection point be H (15.3348mm ,-
5.8986mm), minute surface is made for symmetry axis with straight line y=-x and symmetrically obtain point L (5.8986mm, -15.3348mm), then along line segment
The direction that one is 65 ° with x-axis angle, extends to original 2 times in reference axis the 4th interval, is extended line segment two, will prolong
Long line segment two is made minute surface with straight line y=-x for symmetry axis and is symmetrically extended line segment three, extends line segment two and extends line segment three
Intersection point isDifference tie point H (15.3348mm, -5.8986mm),With L (5.8986mm, -15.3348mm),Obtain line segment HW and line segment LW, again by initial point (0mm, 0mm) conduct
Starting point, makes the line segment of an a length of 2.5mm along x-axis positive direction, the center of circle being first curve with (2.5mm, -1.25mm),
With (2.5mm, 0mm) for end point, with (3.75mm, -1.25mm) for another end points, radius r1=1.25mm, makes angle of circumference
For 90 °, direction is the circular arc protruding to x-axis and y-axis positive direction, the center of circle being second curve with (5mm, -1.25mm), with
(3.75mm, -1.25mm) is end point, with (6.25mm, -1.25mm) for another end points, radius r2=1.25mm, makes circumference
Angle is 180 °, and direction is the circular arc protruding to y-axis negative direction, the center of circle being then the 3rd curve with (7.5mm, -1.25mm),
With (6.25mm, -1.25mm) for end point, with (7.5mm, 0mm) for another end points, radius r3=1.25mm, makes angle of circumference
For 90 °, direction is the circular arc protruding to x-axis negative direction and y-axis positive direction, the circle being the 4th curve with (7.5mm, -2.5mm)
The heart, with (7.5mm, 0mm) for end point, with (10mm, -2.5mm) for another end points, radius r4=2.5mm, making angle of circumference is
90 °, direction is the circular arc protruding to x-axis and y-axis positive direction, the center of circle being the 5th curve with (13.75mm, -2.5mm), with
(10mm, -2.5mm) is end point, with H (15.3348mm, -5.8986mm) for another end points, radius r5=3.75mm, makes
Angle of circumference is 115 °, and direction is the circular arc protruding to x-axis and y-axis negative direction, obtains initial graphics one, is right with straight line y=-x
Claim axle, initial graphics one are carried out minute surface symmetrically, obtains initial graphics two, line segment HW, line segment LW, initial graphics one and initial graph
Shape two merges and obtains rotating graphs one, by rotating graphs one with pointFor
The point of rotation, rotates 40 °, 80 °, 120 °, 160 °, 200 °, 240 °, 280 ° and 320 ° successively clockwise, respectively obtains rotating graphs
2nd, rotating graphs three, rotating graphs four, rotating graphs five, rotating graphs six, rotating graphs seven, rotating graphs eight and rotation figure
Shape nine, rotating graphs one, rotating graphs two, rotating graphs three, rotating graphs four, rotating graphs five, rotating graphs six, rotation figure
Shape seven, rotating graphs eight and rotating graphs nine merge and obtain closed figure, and the circular coverage rate reduced radius of closed figure are
0.4027 times originally obtains design shape and the size of required metal antenna paster, obtains according to design shape and size cutting
Metal antenna paster；One end of described cylindrical metal conductor is connected with metal antenna paster, the material of cylindrical metal conductor
For copper, its bottom surface radius r=0.5mm, thickness d=2.54mm, the junction circle of cylindrical metal conductor and metal antenna paster
The heart is respectively 16.51mm, 16.51mm, 13.49mm and 13.49mm with the vertical range of four sides of medium substrate, with cylinder
The aperture R=1.9mm of circular hole on the relative earth plate of metallic conductor, the output interface of the described cylindrical metal conductor other end with
Energy management circuit is connected, and this energy management circuit is used for being stored the energy absorbing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610816591.9A CN106410391A (en) | 2016-09-11 | 2016-09-11 | Nine-corner electromagnetic wave energy receiving type antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610816591.9A CN106410391A (en) | 2016-09-11 | 2016-09-11 | Nine-corner electromagnetic wave energy receiving type antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106410391A true CN106410391A (en) | 2017-02-15 |
Family
ID=57999702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610816591.9A Withdrawn CN106410391A (en) | 2016-09-11 | 2016-09-11 | Nine-corner electromagnetic wave energy receiving type antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106410391A (en) |
-
2016
- 2016-09-11 CN CN201610816591.9A patent/CN106410391A/en not_active Withdrawn
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106410391A (en) | Nine-corner electromagnetic wave energy receiving type antenna | |
| CN106229665A (en) | High frequency power absorption-type microstrip antenna | |
| CN106329104A (en) | Radio frequency energy absorption edge angle conversion antenna | |
| CN106384872A (en) | High frequency absorption antenna for reducing back lobe influence | |
| CN107994351A (en) | Improve incidence angle stability wave-absorber | |
| CN106410382A (en) | High-gain directional antenna | |
| CN106374200A (en) | High-gain decagonal high-frequency power absorption type microstrip antenna | |
| CN106486751A (en) | Anistree energy-absorbing paster antenna | |
| CN106299655A (en) | Low loss RF energy absorption microstrip antenna | |
| CN107994349A (en) | Based on geometric wave-absorber system | |
| CN106410390A (en) | Ten-corner WiFi energy collecting antenna | |
| CN106450721A (en) | Radio frequency high efficiency absorption antenna capable of realizing echo loss reduction | |
| CN106229662A (en) | Radio frequency efficient absorption antenna | |
| CN106252867A (en) | Radio frequency efficient absorption antenna | |
| CN108039575A (en) | Decay incident electromagnetic wave converting system | |
| CN106410392A (en) | Electromagnetic wave energy collecting antenna | |
| CN106450718A (en) | Wifi energy absorption antenna | |
| CN106410383A (en) | Low-loss unequal-angle-transformation electromagnetic energy collection antenna | |
| CN106450692A (en) | Low-back lobe high-frequency energy absorption antenna | |
| CN106329103A (en) | Radio frequency high efficiency absorption microstrip antenna | |
| CN106229663A (en) | Nine jiaos are not waited conversion radio frequency efficient absorption antenna | |
| CN106374202A (en) | High-frequency energy storage apparatus | |
| CN106374206A (en) | Five-angle radio-frequency energy absorption type microstrip antenna | |
| CN108063309A (en) | High-gain absorbing property lifting device | |
| CN106252864A (en) | Heptangle conversion electromagnetic energy reception antenna |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170215 |
|
| WW01 | Invention patent application withdrawn after publication |