CN108183558A - The tuning methods and equipment of resonance type wireless electric energy transmission based on phase observation - Google Patents
The tuning methods and equipment of resonance type wireless electric energy transmission based on phase observation Download PDFInfo
- Publication number
- CN108183558A CN108183558A CN201711377230.XA CN201711377230A CN108183558A CN 108183558 A CN108183558 A CN 108183558A CN 201711377230 A CN201711377230 A CN 201711377230A CN 108183558 A CN108183558 A CN 108183558A
- Authority
- CN
- China
- Prior art keywords
- voltage
- resonance
- tuning
- resonance portion
- capacitance
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 36
- 230000005540 biological transmission Effects 0.000 title claims abstract description 29
- 230000000737 periodic effect Effects 0.000 claims abstract description 14
- 238000005259 measurement Methods 0.000 claims description 7
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims description 4
- 238000009795 derivation Methods 0.000 abstract description 3
- 230000003071 parasitic effect Effects 0.000 description 20
- 239000003990 capacitor Substances 0.000 description 16
- 230000008878 coupling Effects 0.000 description 8
- 238000010168 coupling process Methods 0.000 description 8
- 238000005859 coupling reaction Methods 0.000 description 8
- 230000005611 electricity Effects 0.000 description 7
- 238000004088 simulation Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000004364 calculation method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
- H02J50/12—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling of the resonant type
-
- H04B5/79—
Abstract
Tuning methods and equipment, wherein method the present invention relates to a kind of resonance type wireless electric energy transmission based on phase observation include：Apply the periodic AC voltage of setpoint frequency for transmitting terminal resonance portion, by adjusting transmitting terminal tuning capacitance until the voltage current phase of resonance portion is identical；Apply the periodic AC voltage of identical frequency for receiving terminal resonance portion, by adjusting receiving terminal tuning capacitance until the voltage current phase of resonance portion is identical.Compared with prior art, by the present invention in that the tuning methods transmitted with the resonance type wireless electric energy observed based on voltage current phase, can avoid the derivation of complicated formulas, save time cost.
Description
Technical field
The present invention relates to a kind of tuning methods, are transmitted more particularly, to a kind of resonance type wireless electric energy based on phase observation
Tuning methods and equipment.
Background technology
Wireless power transmission (wireless power transfer, WPT) refers to the one kind of electric energy from power supply to load
The not energy transmission mode by being electrically in direct contact.According to the difference of the mechanism of transmission, wireless power transmission is broadly divided into
Microwave, laser, inductively, magnetic coupling resonance, field coupling mode etc..In many wireless power transmission modes, magnetic coupling
It closes resonant mode energy transmission technology and relies on small, the more low advantage of directivity requirement due to long transmission distance, to transmission medium, be to work as
Main research hotspot in preceding wireless power transmission technical field of research.However, in magnetic coupling resonant radio energy transmission form
In, determine that the resonance point in transmitting coil circuit and receiving coil circuit obtains at present mainly by theoretical calculation, it can by adjusting
Capacitance is adjusted to reach resonant condition.The parasitic inductance of capacitance and resistance, inductance are inevitably generated due to manufacture craft
Parasitic capacitance and resistance etc., especially higher in resonant frequency, above-mentioned factor can not be ignored, that is, cause theoretical calculation
Calculating process is complicated, and error is larger, can not meet practical application.And for different conducting wires, such as litz wire, paint
A variety of conducting wires such as envelope curve, the conclusion that theory deduction goes out do not have universality.
Invention content
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide one kind based on phase observation
Resonance type wireless electric energy transmission tuning methods and equipment.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of tuning methods of the resonance type wireless electric energy transmission based on phase observation, including：
Apply the periodic AC voltage of setpoint frequency for transmitting terminal resonance portion, it is straight by adjusting transmitting terminal tuning capacitance
Voltage current phase to resonance portion is identical；
Apply the periodic AC voltage of identical frequency for receiving terminal resonance portion, it is straight by adjusting receiving terminal tuning capacitance
Voltage current phase to resonance portion is identical.
The periodic AC voltage is sinusoidal voltage or square-wave voltage.
The process for adjusting tuning capacitance includes：
Measure the equivalent inductance of resonance portion coil；
According to the equivalent inductance of resonance portion coil measured, the theoretical value of tuning capacitance is calculated；
With the theoretical value basis of tuning capacitance, the size of tuning capacitance is adjusted until the voltage current phase of resonance portion
It is identical.
The theoretical value of the tuning capacitance：
Wherein：Theoretical values of the C for tuning capacitance, ω0For setpoint frequency, L is the equivalent inductance of resonance portion coil.
A kind of equipment, including：
Signal generation apparatus for connecting the resonance portion of transmitting terminal or receiving terminal, and applies periodic AC voltage；
Voltage and current measurement device for connecting the resonance portion of transmitting terminal or receiving terminal, and measures the electricity of resonance portion
Pressure and electric current.
The voltage and current measurement device is oscillograph.
Compared with prior art, the invention has the advantages that：
1) tuning methods transmitted by using the resonance type wireless electric energy observed based on voltage current phase, can avoid
The derivation of complicated formulas, saves time cost.
2) it compared with theory deduction, by observing whether voltage and current always detects whether together to reach resonant condition, fits
Stronger with property, suitable for a variety of conducting wires such as litz wire, enameled wire, and theory deduction must all be re-started for each conducting wire and be pushed away
It leads, adaptability is poor.
3) theory deduction has ignored the inductance parasitic capacitance generated due to factors such as techniques, resistance and capacitive parasitic electricity
Sense, the influence of resistance, calculated value error is larger, and the tuning methods based on phase observation are by coil, capacitive parasitic inductance, electricity
It is smaller to hold influence；
4) pass through above-mentioned comparison, it can be deduced that the tuning methods that this patent is proposed are easy to use, fast.
Description of the drawings
Fig. 1 is magnetic coupling resonant radio energy Transmission system entire block diagram；
Fig. 2 is the schematic diagram of the method for the present invention；
Fig. 3 is test process schematic diagram of the present invention；
Fig. 4 is the equivalent circuit diagram of tuning capacitance；
Fig. 5 is the equivalent circuit diagram of coil；
Fig. 6 is the ideal circuit figure of resonance portion；
Fig. 7 is the equivalent circuit diagram of resonance portion；
Fig. 8 owes capacitance state simulation waveform for transmitting terminal resonance；
Fig. 9 crosses capacitance state simulation waveform for transmitting terminal resonance；
Figure 10 is transmitting terminal resonant condition simulation waveform；
Wherein：1st, transmitting terminal, 2, receiving terminal, 3, power supply, 4, load, 5, transmitting terminal resonance portion, 6, receiving terminal resonant structure
Point, 7, signal generation apparatus.
Specific embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.The present embodiment is with technical solution of the present invention
Premised on implemented, give detailed embodiment and specific operating process, but protection scope of the present invention is not limited to
Following embodiments.
Fig. 1 gives the overall structure figure of magnetic coupling resonant radio energy Transmission system, in figure, C1It is tuned for transmitting terminal
Capacitance, C4For receiving terminal tuning capacitance, VinFor DC input voitage, L1To emit the inductance of end-coil, L4To receive end-coil
Inductance, including transmitting terminal 1 and receiving terminal 2, transmitting terminal 1 includes power supply 3 and transmitting terminal resonance portion 5, and receiving terminal 2 includes receiving terminal
Resonance portion 6 and load 4, the input of power supply 1 is direct current, by obtaining the square-wave signal changed by certain frequency after inverter bridge,
The coil of transmitting terminal resonance portion 5 is equivalent to a big inductance, can filter out higher hamonic wave, through the tuning electricity for overregulating transmitting terminal
Hold, transmitting terminal 1 is made to reach resonant condition, receiving terminal 2 is transmitted energy to by magnetic field, by the adjustable electric for adjusting receiving terminal 2
Hold (i.e. tuning capacitance), receiving terminal 2 is made to reach resonant condition, receive the electric energy that transmitting terminal 1 transmits to greatest extent, for negative
4 are carried to use.
Fig. 4, Fig. 5 are respectively the actual circuit model of the tuning capacitance of resonance portion and the actual circuit model of coil, Fig. 4
In, C be tuning capacitance (and tunable capacitor), Rp1、Rs1For capacitive parasitic resistance, L2For capacitive parasitic inductance, in Fig. 5, L is coil
Inductance, CpFor parasitic capacitance, Rs2For inductance parasitic resistance, in the actual circuit model of capacitance, parasitic inductance L2Include by drawing
Line parasitic inductance and endophyte inductance (size is related with capacitance internal structure and technique) composition, for electrolytic capacitor,
Endophyte inductance is much larger than wiring parasitic inductance；For ceramic disc capacitor, endophyte inductance is smaller.The actual circuit mould of inductance
In type, parasitic capacitance CpStray capacitance (for pF grades) mainly between coiling and circle, it is related with wire winding.Due to magnetic coupling
Close the work of resonant radio energy transmission circuit at high frequencies, the effect of parasitic inductance and parasitic capacitance cannot be ignored, this is right
The method of theoretical calculation brings very big difficulty.
The application profit proposes a kind of tuning methods of the resonance type wireless electric energy transmission based on voltage current phase observation, i.e.,
Resonator in magnetic coupling resonant radio energy Transmission system is individually stripped out, including transmitting terminal resonance portion and
The resonance portion of receiving terminal.Resonance portion mainly then includes a series resonant circuit of R, L, C, by adjusting transmitting terminal and connecing
The tunable capacitor part of receiving end so that transmitting terminal and receiving terminal reach resonant condition, therefore complete under same resonant frequency
The high efficiency of transmission of electric energy.
Fig. 6 is the ideal circuit model of transmitting terminal or receiving terminal series resonant circuit, i.e., including circuit equivalent resistance R0, line
Enclose inductance L0And tunable capacitor C0.It can be from figure it is found that equivalent resistance R0And coil inductance L0It can measure, resonant frequency fcBy
Demand gives, can be by according to the condition and feature of series resonance
Z(jωc)=R0 (1)
Acquire tunable capacitor C0Numerical value, obtain
I.e. by calculating, it can derive the size of tunable capacitor, adjust tunable capacitor, circuit is made to reach resonant condition.
And in practical application, inductance, capacitance are no longer ideal models.
Fig. 7 is the actual circuit model of transmitting terminal or receiving terminal series resonant circuit, i.e., parasitic inductance, electricity are included in capacitance
It hinders, also comprising parasitic capacitance, resistance in inductance.It can be from figure it is found that series resonant circuit model at this time becomes answering extremely
It is miscellaneous, if wanting to carry out the derivation of equation according to the condition and feature of series resonance, tunable capacitor C is obtained0Numerical value be extremely to have any problem
, time cost is bigger, and parasitic inductance wherein included, capacitance are not easy to measure, in different application scenarios, conducting wire
Type is different, and corresponding parameter also has larger difference, therefore is difficult to that tunable capacitor C is obtained by theoretical calculation0Numerical value,
And application condition is big.Therefore the method that this patent uses is, the characteristics of using during series resonance, as having during series resonance,
Im[Z(jωc)]=0 (3)
Voltage, current in phase position at port.Therefore in given resonant frequency fcUnder, it is subject to sinusoidal voltage in circuit port
By continuously adjusting tunable capacitor C0While, while series resonant circuit voltage and current is monitored by oscillograph
Waveform, when voltage and current same-phase in oscillograph, that is,
Also that is, as shown in Fig. 2, method includes：
Apply the periodic AC voltage of setpoint frequency for transmitting terminal resonance portion 5, by adjusting transmitting terminal tuning capacitance
Until the voltage current phase of resonance portion is identical；
Apply the periodic AC voltage of identical frequency for receiving terminal resonance portion 6, by adjusting receiving terminal tuning capacitance
Until the voltage current phase of resonance portion is identical.
Preferably, periodic AC voltage is sinusoidal voltage or square-wave voltage.
The process for adjusting tuning capacitance includes：
Measure the equivalent inductance of resonance portion coil；
According to the equivalent inductance of resonance portion coil measured, the theoretical value of tuning capacitance is calculated；
With the theoretical value basis of tuning capacitance, the size of tuning capacitance is adjusted until the voltage current phase of resonance portion
It is identical.
The theoretical value of tuning capacitance：
Wherein：Theoretical values of the C for tuning capacitance, ω0For setpoint frequency, L is the equivalent inductance of resonance portion coil.
Resonance occurs for circuit, and the numerical value of tunable capacitor is just required value this moment.The method is not from the internal junction of circuit
Structure considers, and from its reach series resonance when external behavior for starting point, it is whether in the same direction by monitoring voltage current phase, come
Determine the numerical value of tunable capacitor.
A kind of equipment, as shown in Fig. 2, including：
Signal generation apparatus 7 for connecting the resonance portion of transmitting terminal or receiving terminal, and applies periodic AC voltage；
Voltage and current measurement device for connecting the resonance portion of transmitting terminal or receiving terminal, and measures the electricity of resonance portion
Pressure and electric current, wherein, it is preferred that voltage and current measurement device is oscillograph.
Fig. 6, Fig. 7, Fig. 8 are the simulation waveform of actual circuit series resonance, respectively owe capacitance state, cross capacitance shape
State and resonant condition.It wherein owes capacitance state and represents that capacitance is less than capacitance when resonance occurs at this time, crosses capacitance state
Represent that capacitance is more than capacitance when resonance occurs at this time.The resonant frequency that this set radio energy transmission system uses for
500kHz, therefore parasitic inductance and parasitic capacitance can not be ignored caused by due to technique etc., it is impossible to utilize inductance and capacitance
Ideal model, and should utilize its practical circuit model, since transmitting terminal is identical with the resonant frequency of receiving terminal, structure and principle
Similar, only parameter is different, only carries out the emulation of the actual circuit model of transmitting terminal here, illustrates this patent institute with this
The correctness and practicability of extracting method, receiving terminal can similarly obtain.By a series of tests, we obtain electricity contained by transmitting end-coil
Resistance is about 4.9 Ω, and equivalent inductance value is about 138 μ H, if simply by mathematical computations, by formula
C=734.9pF is acquired, is transferred to this numerical value by adjusting tunable capacitor, resonance does not occur for actual circuit, this is
Since the influence of the various aspects factors such as measurement and technique, and the product of same manufacturer production also has certain difference, and this is just
Affect the efficiency of radio energy transmission system.But this numerical value occurs to a rough numerical value, actual circuit is we provided
The numerical value of capacitance should be near herein during series resonance.On this basis, when it is 732pF to adjust adjustable electric capacitance, simulation waveform
Such as Fig. 8, electric current is ahead of voltage α angles at this time, and circuit is capacitive state, illustrates that capacitance values are less than normal；When adjusting tunable capacitor
When being worth for 737pF, simulation waveform Fig. 9, for current hysteresis after voltage β angles, circuit is perceptual state, illustrates capacitance values at this time
It is bigger than normal.Therefore it can be seen that, capacitance values when reaching resonance should be 732pF between 737pF, continuing to adjust tunable capacitor to C
During=733.9pF, simulation waveform Figure 10 is obtained, at this time voltage and current same-phase, it is known that circuit has occurred under this capacitance values
Series resonance, electric current have reached maximum value.The tuning methods provided by this patent, it is comparable easily to obtain different application field
Capacitance size under scape during radio energy transmission system generation resonance, has practicability.
It being measured through experiment, the maximum distance and maximal efficiency of wireless power transmission are respectively 40cm, maximal efficiency 67%,
It is promoted, demonstrates the availability of this patent institute extracting method.
Claims (6)
1. a kind of tuning methods of the resonance type wireless electric energy transmission based on phase observation, which is characterized in that including：
Apply the periodic AC voltage of setpoint frequency for transmitting terminal resonance portion, by adjusting transmitting terminal tuning capacitance until humorous
Shake part voltage current phase it is identical；
Apply the periodic AC voltage of identical frequency for receiving terminal resonance portion, by adjusting receiving terminal tuning capacitance until humorous
Shake part voltage current phase it is identical.
2. a kind of tuning methods of resonance type wireless electric energy transmission based on phase observation according to claim 1, special
Sign is that the periodic AC voltage is sinusoidal voltage or square-wave voltage.
3. a kind of tuning methods of resonance type wireless electric energy transmission based on phase observation according to claim 1, special
Sign is that the process for adjusting tuning capacitance includes：
Measure the equivalent inductance of resonance portion coil；
According to the equivalent inductance of resonance portion coil measured, the theoretical value of tuning capacitance is calculated；
With the theoretical value basis of tuning capacitance, the size of tuning capacitance is adjusted until the voltage current phase phase of resonance portion
Together.
4. a kind of tuning methods of resonance type wireless electric energy transmission based on phase observation according to claim 3, special
Sign is, the theoretical value of the tuning capacitance：
Wherein：Theoretical values of the C for tuning capacitance, ω0For setpoint frequency, L is the equivalent inductance of resonance portion coil.
5. a kind of equipment for realizing any method in Claims 1 to 4, which is characterized in that including：
Signal generation apparatus for connecting the resonance portion of transmitting terminal or receiving terminal, and applies periodic AC voltage；
Voltage and current measurement device, for connecting the resonance portion of transmitting terminal or receiving terminal, and measure resonance portion voltage and
Electric current.
6. equipment according to claim 5, which is characterized in that the voltage and current measurement device is oscillograph.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711377230.XA CN108183558A (en) | 2017-12-19 | 2017-12-19 | The tuning methods and equipment of resonance type wireless electric energy transmission based on phase observation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711377230.XA CN108183558A (en) | 2017-12-19 | 2017-12-19 | The tuning methods and equipment of resonance type wireless electric energy transmission based on phase observation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108183558A true CN108183558A (en) | 2018-06-19 |
Family
ID=62546520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711377230.XA Pending CN108183558A (en) | 2017-12-19 | 2017-12-19 | The tuning methods and equipment of resonance type wireless electric energy transmission based on phase observation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108183558A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114123436A (en) * | 2022-01-25 | 2022-03-01 | 合肥有感科技有限责任公司 | Inductance deviation self-adaptive wireless charging method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103475109A (en) * | 2013-09-10 | 2013-12-25 | 迈象电子科技（上海）有限公司 | Magnetic coupling resonant mode wireless electric energy transmission device |
| CN105548762A (en) * | 2015-12-25 | 2016-05-04 | 大连理工大学 | Method of using single port impedance measurement value to measure and calculate wireless power transmission system steady state performance |
| US20170256958A1 (en) * | 2016-03-04 | 2017-09-07 | Qualcomm Incorporated | High frequency multi-level rectification |
-
2017
- 2017-12-19 CN CN201711377230.XA patent/CN108183558A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103475109A (en) * | 2013-09-10 | 2013-12-25 | 迈象电子科技（上海）有限公司 | Magnetic coupling resonant mode wireless electric energy transmission device |
| CN105548762A (en) * | 2015-12-25 | 2016-05-04 | 大连理工大学 | Method of using single port impedance measurement value to measure and calculate wireless power transmission system steady state performance |
| US20170256958A1 (en) * | 2016-03-04 | 2017-09-07 | Qualcomm Incorporated | High frequency multi-level rectification |
Non-Patent Citations (1)
| Title |
|---|
| 薛慧: ""磁耦合谐振式无线电能传输系统建模与分析"", 《中国优秀硕士学位论文全文数据库工程科技Ⅱ辑》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114123436A (en) * | 2022-01-25 | 2022-03-01 | 合肥有感科技有限责任公司 | Inductance deviation self-adaptive wireless charging method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10250082B2 (en) | Wireless power transmission system capable of continuing power transmission while suppressing heatup of foreign objects | |
| US10186909B2 (en) | Wireless power transfer system for wirelessly transferring electric power in noncontact manner by utilizing resonant magnetic field coupling | |
| CN106532982B (en) | A kind of radio energy transmission system and load identification method loading online recognition | |
| CN104167828B (en) | Design method for multi-repeater magnetic-coupling resonant wireless power transmission system | |
| CN108282028A (en) | The tuning methods and system of resonance type wireless electric energy transmission based on current amplitude | |
| US20150364927A1 (en) | Resonant contactless power supply equipment, electrical transmitter and contactless power supply method | |
| Kong et al. | Analytical expressions for maximum transferred power in wireless power transfer systems | |
| CN102969801B (en) | Current type wireless power supply system load identification method | |
| EP2372870A1 (en) | Non-contact power transmission apparatus and design method | |
| CN106787247B (en) | A kind of wireless energy transmission efficiency test macro | |
| CN102593959A (en) | Non-contact power transmission apparatus and power transmission method therefor | |
| CN106532987B (en) | A kind of load identification method about multi-load radio energy transmission system | |
| JP2009111977A (en) | Apparatus and method for performing wireless transmission of energy and/or data between source apparatus and at least one target apparatus | |
| CN104967222A (en) | Multifrequency operation wireless power transfer transmitting terminal circuit | |
| CN202905659U (en) | Matching device and plasma processing equipment | |
| CN110718971B (en) | Electric vehicle wireless charging transmission system based on improved secondary auxiliary coil and secondary resonance state estimation method | |
| CN108183558A (en) | The tuning methods and equipment of resonance type wireless electric energy transmission based on phase observation | |
| CN108872753B (en) | Method and device for testing quality factor of transmission coil in high-frequency wireless power transmission system | |
| CN106152927A (en) | The device and method of detection metal thickness | |
| JP6178404B2 (en) | Power receiving device | |
| Dean et al. | Wireless sensor node powered by unipolar resonant capacitive power transfer | |
| JP2015231287A (en) | Non-contact power transmission device | |
| CN108254623B (en) | Method and device for measuring high-frequency alternating current resistance of lead | |
| CN106771813B (en) | A kind of Tesla transformer secondary coil on-off measurement method | |
| Murakami et al. | Effects of Q factor on wireless power transmission by magnetic resonant coupling |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180619 |
|
| RJ01 | Rejection of invention patent application after publication |