CN108449842A - Unmanned electric light drives constant-current circuit - Google Patents
Unmanned electric light drives constant-current circuit Download PDFInfo
- Publication number
- CN108449842A CN108449842A CN201810431507.0A CN201810431507A CN108449842A CN 108449842 A CN108449842 A CN 108449842A CN 201810431507 A CN201810431507 A CN 201810431507A CN 108449842 A CN108449842 A CN 108449842A
- Authority
- CN
- China
- Prior art keywords
- electric light
- transistor
- constant
- current circuit
- circuit
- 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
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
- H05B45/395—Linear regulators
- H05B45/397—Current mirror circuits
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
Abstract
The present invention relates to unmanned electric light to drive constant-current circuit, wherein including：Constant-current circuit, mirror image circuit, adjustment circuit；The mirror image circuit includes two transistors, two electric light diodes, a voltage follower and two resistance.Advantage：The circuit utilizes constant-current circuit, the load with buffer action to be connected provides automatic growth control, constant current constant voltage working environment, with higher power supply rejection ratio, solve the variation that the variation in input voltage can lead to whole system input power, to influence system efficiency light efficiency problem.
Description
The application be on October 09th, 2017 the Chinese applying date, application No. is 201710929946.X, entitled " nothing
The divisional application of people's driving electric light driving constant-current circuit, integrated circuit and control system ".
Technical field
The present invention relates to semiconductor constant current circuit technical fields more particularly to a kind of unmanned electric light to drive Constant Electric Current
Road.
Background technology
The operating environment of the unmanned Intelligent internet of things equipment such as unmanned plane, unmanned vehicle has uncertain and complexity,
It needs constantly to detect ambient enviroment, avoids colliding with barrier.Traditional unmanned plane uses sound wave intelligent recognition
Technical solution, a kind of method are the comprehensive realization scanning of radar itself, and another method is to use phased-array radar, both
Scheme needs to increase complicated motor device to generate additional load.Traditional unmanned vehicle identifies skill using Visual intelligent
Art scheme using the mature technology of image procossing, but easily receives the influence of the factors such as light, dust, smog, cannot meet complete
Weather, which drives, to be needed.
In the prior art, common scheme as shown in Figure 1, include rectification circuit, constant-current drive circuit and load,
Constant current output is Iout=Vref/Rcs.This application scheme is that system structure is simple relative to Switching Power Supply scheme advantage, makes
Few with component, disadvantage is that the quantity of system load must be designed in strict accordance with input voltage, the variation meeting of input voltage
The variation for leading to whole system input power, to influence the light efficiency efficiency of system.With the continuous development of laser technology, swash
Optical radar obtains more and more extensive use in every field.For example, in detection field, laser radar is usually used in detection dynamic
Object, at this time measurement angle increase and require non-blind area, it is also necessary to adapt to remote or short distance ranging.When short distance is surveyed
Away from when, laser radar power is small, can meet eye-safe requirement, but range capability is weaker；When remote ranging, swash
Optical radar power is big, but cannot be satisfied eye-safe requirement, and the stray light of short distance can increase that cause can not under
It uses.
In conclusion needing to design a kind of
The unmanned electric light that can be identified drives constant-current circuit.
Invention content
In view of the above-mentioned problems, the object of the present invention is to provide a kind of unmanned electric light to drive constant-current circuit.
To achieve the above object, the present invention takes following technical scheme：
A kind of unmanned electric light in the present invention drives constant-current circuit, including：Constant-current circuit connects power end, the perseverance
Current circuit includes an operational amplifier and a transistor, wherein：The source electrode of third transistor (T3) and operational amplifier
Negative input end, the connection of adjustment circuit port, drain electrode are connect with DC power supply terminal；The positive input terminal and ginseng of the operational amplifier
Voltage Vref connections are examined, output end is connect with the grid of the third transistor (T3), which is characterized in that further includes：
Mirror image circuit, according to the bandgap voltage reference with power supply rejection ratio that the constant-current circuit provides, described in control
The loop voltage of unmanned electric light driving constant-current circuit so that the loop voltage is kept constant；
The mirror image circuit includes two transistors, two electric light diodes, a voltage follower and two resistance,
Wherein：
The grid of the first transistor (T1) drains and connects, and is connected to the third transistor by first resistor (R1)
(T3) source electrode, source electrode are grounded by positive first electric light diode (D1)；
A voltage follow is connected between the grid and the grid of the first transistor (T1) of second transistor (T2)
Device, drain electrode are connected to the source electrode of the third transistor (T3) by second resistance (R2), and source electrode passes through positive second electric light two
Pole pipe (D2) is grounded；
The first electric light diode (D1) is identical as the emitter region area of the second electric light diode (D2).
The conduction level phase one of the conduction level of the first electric light diode (D1) and the second electric light diode (D2)
It causes.
The area equation of the first transistor (T1) and second transistor (T2).
The voltage follower positive input terminal is connect with the grid of the first transistor (T1), output end and negative input end and
The grid of second transistor (T2) connects, and the voltage follower is for being isolated the first transistor (T1) and second transistor
(T2) coupling influence.
The transistor is using one or more in field-effect tube, bipolar transistor.
The first transistor (T1), second transistor (T2) and third transistor (T3) are NMOS tube.
The first electric light diode (D1) or the second electric light diode (D2) include single electric light diode or electric light two
Pole pipe string.
Beneficial effects of the present invention：The unmanned electric light of the present invention drives constant-current circuit, using constant-current circuit, for institute
The load with buffer action of connection provides automatic growth control, constant current constant voltage working environment, has higher power supply
Inhibit ratio, solves the variation that the variation in input voltage can lead to whole system input power, to influence the efficiency of system
Light efficiency problem.
Description of the drawings
With attached drawing, the invention will be further described, but the embodiment in attached drawing does not constitute any limitation of the invention.
Fig. 1 is the unmanned electric light driving one embodiment circuit diagram of constant-current circuit of the prior art.
Fig. 2 is unmanned electric light driving one example structure schematic diagram of constant-current circuit of the present invention.
Specific implementation mode
Technical solution of the present invention is further described with embodiment below in conjunction with the accompanying drawings, this is the preferable reality of the present invention
Apply example.A kind of unmanned electric light driving constant-current circuit, constant-current circuit and control system provided in an embodiment of the present invention can answer
For each scene in Internet of Things intelligent identification technology field, including but not limited to 2G GSM, 3G CDMA, 4G LTE/
LTE-A, the mobile communication of 5G eMBB, cluster communication, satellite communication, laser communication, fiber optic communication, DTV, radio frequency are known
Not, the systems such as power carrier, unmanned vehicle, unmanned plane, Internet of Things, radar, the embodiment of the present invention are not particularly limited this.
The present invention proposes that a kind of unmanned electric light drives constant-current circuit, as shown in Fig. 2, including：
Constant-current circuit connects power end, and the mirror image circuit to be connected provides the bandgap voltage reference with power supply rejection ratio；
Mirror image circuit controls unmanned electric light driving constant current according to the bandgap voltage reference that the constant-current circuit provides
The loop voltage of circuit so that loop voltage is kept constant；
In the present embodiment, constant-current circuit includes an operational amplifier and a transistor, wherein third transistor (T3)
Source electrode and the negative input end of operational amplifier, adjustment circuit port connect, drain electrode is connect with DC power supply terminal；Operation amplifier
The positive input terminal of device is connect with reference voltage Vref, and output end is connect with the grid of third transistor (T3)；
In the present embodiment, mirror image circuit includes two transistors, two electric light diodes, a voltage follower and two
A resistance, wherein the grid of the first transistor (T1) drains and connects, and is connected to the third crystalline substance by first resistor (R1)
The source electrode of body pipe (T3), source electrode are grounded by positive first electric light diode (D1)；The grid and first of second transistor (T2)
A voltage follower is connected between the grid of transistor (T1), drain electrode is connected to the third crystalline substance by second resistance (R2)
The source electrode of body pipe (T3), source electrode are grounded by positive second electric light diode (D2)；Voltage follower positive input terminal and the first crystalline substance
The grid of body pipe (T1) connects, and output end is connect with the grid of negative input end and second transistor (T2).
In the present embodiment, the first electric light diode (D1) or the second electric light diode (D2) include single electric light diode
Or electric light diode string.Wherein, the first electric light diode (D1) is identical as the emitter region area of the second electric light diode (D2),
The conduction level of first electric light diode (D1) is consistent with the conduction level of the second electric light diode (D2).In addition, second is brilliant
The area equation of body pipe (T2) and third transistor (T3).
In the present embodiment, the first transistor (T1), second transistor (T2) and third transistor (T3) are managed for NMOS.It needs
It is noted that transistor can be using one or more in field-effect tube, bipolar transistor.Transistor can also be
The structure that the grid of depletion type N-channel MOS transistor is connect with source electrode, though it is not shown, but can certainly will exhaust
The structure that the grid of type P channel MOS transistor is connect with source electrode.
The operation principle of the present invention：The automatic control circuit being made of with third transistor (T3) operational amplifier is served as reasons
The mirror image circuit that the first transistor (T1), second transistor (T2) are constituted provides constant current constant voltage, also, voltage follower is used for
The coupling influence of the first transistor (T1) and second transistor (T2) is isolated, these measures ensure the first electric light diode (D1)
It is worked normally under stable operating condition with the second electric light diode (D2).
The present invention also proposes a kind of unmanned electric light driving control system, including rectification circuit, above-mentioned unmanned
Electric light drives constant-current circuit, rectification circuit to carry out full-wave rectification to alternating current, be powered to the constant-current circuit of connection.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；
Although present invention has been described in detail with reference to the aforementioned embodiments, it will be understood by those of ordinary skill in the art that：Its
It still can be either special to which part or whole technologies with technical scheme described in the above embodiments is modified
Sign carries out equivalent replacement；And these modifications or replacements, various embodiments of the present invention that it does not separate the essence of the corresponding technical solution
The range of technical solution.
Claims (7)
1. a kind of unmanned electric light drives constant-current circuit, including：Constant-current circuit, connects power end, and the constant-current circuit includes one
A operational amplifier and a transistor, wherein：The source electrode of third transistor (T3) and the negative input end of operational amplifier, adjustment
Circuit port connects, and drain electrode is connect with DC power supply terminal；The positive input terminal of the operational amplifier is connect with reference voltage Vref,
Output end is connect with the grid of the third transistor (T3), which is characterized in that further includes：
Mirror image circuit, according to the constant-current circuit provide the bandgap voltage reference with power supply rejection ratio, control it is described nobody
Drive the loop voltage of electric light driving constant-current circuit so that the loop voltage is kept constant；
The mirror image circuit includes two transistors, two electric light diodes, a voltage follower and two resistance, wherein：
The grid of the first transistor (T1) drains and connects, and is connected to the third transistor (T3) by first resistor (R1)
Source electrode, source electrode passes through positive first electric light diode (D1) ground connection；
A voltage follower, drain electrode are connected between the grid and the grid of the first transistor (T1) of second transistor (T2)
The source electrode of the third transistor (T3) is connected to by second resistance (R2), source electrode passes through positive second electric light diode (D2)
Ground connection；
The first electric light diode (D1) is identical as the emitter region area of the second electric light diode (D2).
2. unmanned electric light according to claim 1 drives constant-current circuit, which is characterized in that two pole of the first electric light
The conduction level for managing (D1) is consistent with the conduction level of the second electric light diode (D2).
3. unmanned electric light according to claim 2 drives constant-current circuit, which is characterized in that the first transistor
(T1) with the area equation of second transistor (T2).
4. unmanned electric light according to claim 3 drives constant-current circuit, which is characterized in that the voltage follower is just
Input terminal is connect with the grid of the first transistor (T1), and output end is connect with the grid of negative input end and second transistor (T2),
The voltage follower is used to be isolated the coupling influence of the first transistor (T1) and second transistor (T2).
5. unmanned electric light according to claim 4 drives constant-current circuit, which is characterized in that the transistor uses field
It is one or more in effect pipe, bipolar transistor.
6. unmanned electric light according to claim 5 drives constant-current circuit, which is characterized in that the first transistor
(T1), second transistor (T2) and third transistor (T3) are NMOS tube.
7. unmanned electric light according to claim 6 drives constant-current circuit, which is characterized in that two pole of the first electric light
It includes single electric light diode or electric light diode string to manage (D1) or the second electric light diode (D2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810431507.0A CN108449842A (en) | 2017-10-09 | 2017-10-09 | Unmanned electric light drives constant-current circuit |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710929946.XA CN107567149B (en) | 2017-10-09 | 2017-10-09 | Unmanned electric light driving constant-current circuit, integrated circuit and control system |
| CN201810431507.0A CN108449842A (en) | 2017-10-09 | 2017-10-09 | Unmanned electric light drives constant-current circuit |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710929946.XA Division CN107567149B (en) | 2017-10-09 | 2017-10-09 | Unmanned electric light driving constant-current circuit, integrated circuit and control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108449842A true CN108449842A (en) | 2018-08-24 |
Family
ID=60984974
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810431507.0A Pending CN108449842A (en) | 2017-10-09 | 2017-10-09 | Unmanned electric light drives constant-current circuit |
| CN201810431470.1A Pending CN108551702A (en) | 2017-10-09 | 2017-10-09 | Unmanned electric light driving control system |
| CN201810431961.6A Pending CN108601144A (en) | 2017-10-09 | 2017-10-09 | Unmanned electric light drive integrated circult |
| CN201710929946.XA Active CN107567149B (en) | 2017-10-09 | 2017-10-09 | Unmanned electric light driving constant-current circuit, integrated circuit and control system |
Family Applications After (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810431470.1A Pending CN108551702A (en) | 2017-10-09 | 2017-10-09 | Unmanned electric light driving control system |
| CN201810431961.6A Pending CN108601144A (en) | 2017-10-09 | 2017-10-09 | Unmanned electric light drive integrated circult |
| CN201710929946.XA Active CN107567149B (en) | 2017-10-09 | 2017-10-09 | Unmanned electric light driving constant-current circuit, integrated circuit and control system |
Country Status (2)
| Country | Link |
|---|---|
| CN (4) | CN108449842A (en) |
| WO (1) | WO2019071940A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108449842A (en) * | 2017-10-09 | 2018-08-24 | 东莞市翔实信息科技有限公司 | Unmanned electric light drives constant-current circuit |
| CN112586088A (en) * | 2020-04-21 | 2021-03-30 | 深圳市大疆创新科技有限公司 | Drive system and movable platform |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1370035A (en) * | 2001-02-08 | 2002-09-18 | 精工电子有限公司 | LED drive circuit |
| CN102542979A (en) * | 2011-11-08 | 2012-07-04 | 南京微盟电子有限公司 | Constant current light emitting diode (LED) driving circuit |
| CN102566634A (en) * | 2010-12-13 | 2012-07-11 | 联芯科技有限公司 | Linear voltage stabilizing circuit |
| CN104270874A (en) * | 2014-10-27 | 2015-01-07 | 无锡华润矽科微电子有限公司 | Sectional type LED driving circuit |
| CN105955387A (en) * | 2016-05-12 | 2016-09-21 | 西安电子科技大学 | Double-ring protection low drop out (LDO) linear voltage regulator |
| CN106936398A (en) * | 2017-02-27 | 2017-07-07 | 烽火通信科技股份有限公司 | A kind of RSSI circuits for trans-impedance amplifier |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100352068C (en) * | 2003-08-20 | 2007-11-28 | 沛亨半导体股份有限公司 | Method for driving LED by current mirror |
| DE102005022612A1 (en) * | 2005-05-10 | 2006-11-16 | Atmel Germany Gmbh | Driver circuit for electronic components e.g. laser diodes includes compensating circuit for generating and supplying correction signal to input of amplifier |
| KR20100045342A (en) * | 2008-10-23 | 2010-05-03 | 심현섭 | The ac power led illuminating apparatus having power stabilization function |
| CN101572984B (en) * | 2009-06-04 | 2012-07-04 | 吉林大学 | Image ratio constant flow source circuit driving multipath light emitting diode |
| CN102111932B (en) * | 2009-12-24 | 2013-10-30 | 冠捷投资有限公司 | Light-emitting diode current balance circuit |
| CN103188847B (en) * | 2011-12-30 | 2015-07-22 | 王钦恒 | Constant current charge pump light-emitting diode (LED) drive circuit |
| CN102695334A (en) * | 2012-05-11 | 2012-09-26 | 华南理工大学 | Intelligent light modulation apparatus for LED concentrated direct current power supply system |
| CN203352889U (en) * | 2013-06-28 | 2013-12-18 | 成都芯源系统有限公司 | LED driving device and control circuit thereof |
| CN104202883B (en) * | 2014-09-12 | 2016-06-01 | 常州顶芯半导体技术有限公司 | The LED driver of built-in over-voltage protective, driving circuit and LED driver method of work |
| JP2016126550A (en) * | 2015-01-05 | 2016-07-11 | アルプス電気株式会社 | Constant current circuit and sensor device having the same |
| CN104796127A (en) * | 2015-04-10 | 2015-07-22 | 西安电子科技大学 | Infrared light emitting diode driving circuit for infrared approach sensors |
| CN105116954B (en) * | 2015-09-07 | 2017-09-01 | 卓捷创芯科技（深圳）有限公司 | A kind of wide input voltage range and the automatic biasing band-gap reference circuit of high accuracy output |
| CN206181440U (en) * | 2016-10-26 | 2017-05-17 | 杰华特微电子（杭州）有限公司 | Voltage sampling circuit |
| CN206302611U (en) * | 2017-01-06 | 2017-07-04 | 无锡职业技术学院 | A kind of under powered LED drive circuit |
| CN107071982B (en) * | 2017-05-19 | 2018-08-14 | 深圳市晟碟半导体有限公司 | LED drive device and its invariable power light adjusting circuit, light-dimming method |
| CN108449842A (en) * | 2017-10-09 | 2018-08-24 | 东莞市翔实信息科技有限公司 | Unmanned electric light drives constant-current circuit |
-
2017
- 2017-10-09 CN CN201810431507.0A patent/CN108449842A/en active Pending
- 2017-10-09 CN CN201810431470.1A patent/CN108551702A/en active Pending
- 2017-10-09 CN CN201810431961.6A patent/CN108601144A/en active Pending
- 2017-10-09 CN CN201710929946.XA patent/CN107567149B/en active Active
-
2018
- 2018-05-08 WO PCT/CN2018/085941 patent/WO2019071940A1/en unknown
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1370035A (en) * | 2001-02-08 | 2002-09-18 | 精工电子有限公司 | LED drive circuit |
| CN102566634A (en) * | 2010-12-13 | 2012-07-11 | 联芯科技有限公司 | Linear voltage stabilizing circuit |
| CN102542979A (en) * | 2011-11-08 | 2012-07-04 | 南京微盟电子有限公司 | Constant current light emitting diode (LED) driving circuit |
| CN104270874A (en) * | 2014-10-27 | 2015-01-07 | 无锡华润矽科微电子有限公司 | Sectional type LED driving circuit |
| CN105955387A (en) * | 2016-05-12 | 2016-09-21 | 西安电子科技大学 | Double-ring protection low drop out (LDO) linear voltage regulator |
| CN106936398A (en) * | 2017-02-27 | 2017-07-07 | 烽火通信科技股份有限公司 | A kind of RSSI circuits for trans-impedance amplifier |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107567149B (en) | 2018-10-16 |
| CN108551702A (en) | 2018-09-18 |
| CN107567149A (en) | 2018-01-09 |
| CN108601144A (en) | 2018-09-28 |
| WO2019071940A1 (en) | 2019-04-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102801331B (en) | Switching power supply drive circuit and integrated circuit and switching power supply | |
| CN108449842A (en) | Unmanned electric light drives constant-current circuit | |
| US20170187275A1 (en) | Switching power supply and the controller thereof | |
| CN102832219B (en) | A kind of Self-feedback linear galvanostat of integrated adjustable thermistor | |
| CN107770909A (en) | Linear constant current electric light drive circuit, integrated circuit and control system | |
| CN105790064B (en) | A kind of low-power consumption EML driving circuit and method | |
| CN107643783B (en) | Unmanned electric light driving constant-current circuit, integrated circuit and control system | |
| CN107544603B (en) | Unmanned electric light driving constant-current circuit, integrated circuit and control system | |
| CN107678481B (en) | Unmanned photoelectricity soft-sphere model constant-current circuit, integrated circuit and control system | |
| US20230008441A1 (en) | Linear regulation of spad shutoff voltage | |
| CN107577268B (en) | Unmanned photoelectricity soft-sphere model constant-current circuit, integrated circuit and control system | |
| CN207305023U (en) | Linear constant current electric light drive circuit, integrated circuit and control system | |
| CN111049382B (en) | BUCK control circuit and control method thereof | |
| CN107548219A (en) | Linear constant current electric light drive circuit, integrated circuit and control system | |
| CN107548218A (en) | Linear constant current electric light drive circuit, integrated circuit and control system | |
| CN107682963A (en) | Linear constant current electric light drive circuit, integrated circuit and control system | |
| CN107708257A (en) | Linear constant current electric light drive circuit, integrated circuit and control system | |
| CN107708256A (en) | Linear constant current electric light drive circuit, integrated circuit and control system | |
| CN107567152A (en) | Linear constant current electric light drive circuit, integrated circuit and control system | |
| CN107708255A (en) | Linear constant current electric light drive circuit, integrated circuit and control system | |
| CN104661381B (en) | A kind of light-emitting block constant-current drive circuit | |
| CN110190506A (en) | Laser driving circuit and laser equipment | |
| CN110048680A (en) | A kind of high-power compound PMOS tube equivalent circuit of high-performance low-voltage difference | |
| CN117478472B (en) | Carrier modulation circuit, navigation aid lamp, monitor, communication host and communication loop | |
| US11381166B2 (en) | Switch power supply circuit |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180824 |