CN110416866A - Light puts output balancing unit and its method - Google Patents
Light puts output balancing unit and its method Download PDFInfo
- Publication number
- CN110416866A CN110416866A CN201910757287.5A CN201910757287A CN110416866A CN 110416866 A CN110416866 A CN 110416866A CN 201910757287 A CN201910757287 A CN 201910757287A CN 110416866 A CN110416866 A CN 110416866A
- Authority
- CN
- China
- Prior art keywords
- unit
- resistance
- light
- output
- capacitor
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 26
- 230000003287 optical effect Effects 0.000 claims abstract description 38
- 238000005086 pumping Methods 0.000 claims abstract description 22
- 238000001514 detection method Methods 0.000 claims abstract description 21
- 239000003990 capacitor Substances 0.000 claims description 38
- 230000005611 electricity Effects 0.000 claims description 5
- 239000013589 supplement Substances 0.000 abstract description 3
- 230000003321 amplification Effects 0.000 abstract description 2
- 238000003199 nucleic acid amplification method Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 239000000835 fiber Substances 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/06—Construction or shape of active medium
- H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
- H01S3/067—Fibre lasers
- H01S3/06754—Fibre amplifiers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
- H01S3/13—Stabilisation of laser output parameters, e.g. frequency or amplitude
- H01S3/131—Stabilisation of laser output parameters, e.g. frequency or amplitude by controlling the active medium, e.g. by controlling the processes or apparatus for excitation
- H01S3/1317—Stabilisation of laser output parameters, e.g. frequency or amplitude by controlling the active medium, e.g. by controlling the processes or apparatus for excitation by controlling the temperature
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Optics & Photonics (AREA)
- Semiconductor Lasers (AREA)
- Lasers (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention discloses light to put output balancing unit and its method, it includes front panel that light, which puts output balancing unit, one-chip computer module, rear panel, wherein, the front panel includes LED display, at least two laser pumpings, the LED display is for showing that the light puts the function and fault alarm of output balancing unit, the laser pumping is for providing energy, the one-chip computer module includes laser amplifier unit, optical power exports detection unit, temperature detecting unit, display unit, board unit, the laser amplifier unit amplifies for redundancy, the optical power output detection unit realizes the steady Differential Output of optical power by the power control to the laser pumping.Light disclosed by the invention puts output balancing unit and its method, uses laser amplifier unit, and redundancy amplification in the case where damaging a laser pumping, has enough optical powers to the supplement of link optical power, realizes the ability of steady Differential Output.
Description
Technical field
The invention belongs to fiber optical amplifier technology fields, and in particular to a kind of light puts output balancing unit and a kind of light put it is defeated
Balance method out.
Background technique
Fiber optical amplifier technology is exactly that the rare earth element that can generate laser is mixed in the fibre core of optical fiber, is mentioned by laser
The direct current light stimulus of confession, make by optical signal amplified.Traditional fibre-optic transmission system (FOTS) is using light-electricity-photo reversal
Repeater, this trunking influences the stability and reliability of system, right directly in optical path to remove above-mentioned conversion process
Signal amplifies transmission it is necessary to replace this regenerative repeater with an all-optical transmission type repeater.
Traditional fiber amplifier does not have enough optical powers to link light in the case where a laser pumping damages
The supplement of power cannot achieve the ability of steady Differential Output, therefore, be further improved.
Summary of the invention
The main purpose of the present invention is to provide light to put output balancing unit and its method, uses laser amplifier unit,
Redundancy amplification has enough optical powers to the supplement of link optical power, realizes flat in the case where damaging a laser pumping
The ability of steady Differential Output.
Another object of the present invention is to provide light to put output balancing unit and its method, uses optical power output detection
Unit inspection acquires Output optical power, realizes to the power control of laser pumping, reaches steady Differential Output optical power.
Another object of the present invention is to provide light to put output balancing unit and its method, and temperature detecting unit is used to examine
Acquisition device temperature is looked into, the power output of laser pumping is controlled, solves influence of the temperature to laser pumping, reaches steady flat
Weigh Output optical power.
Another object of the present invention is to provide light to put output balancing unit and its method, uses display unit and LED
Display screen is for showing input optical power, Output optical power, facility environment problem.
To achieve the above objectives, the present invention provides a kind of light and puts output balancing unit,
Further preferred technical solution as above-mentioned technical proposal, including front panel, one-chip computer module, rear panel,
Wherein:
The front panel includes LED display, at least two laser pumpings, and the LED display is described for showing
Light puts the function and fault alarm of output balancing unit, and the laser pumping is for providing energy；
The one-chip computer module includes laser amplifier unit, optical power output detection unit, temperature detecting unit, display list
Member, board unit, the laser amplifier unit amplify for redundancy, and the optical power output detection unit passes through to the laser
The power control of device pumping realizes that the steady Differential Output of optical power, the temperature detecting unit pass through to the laser diode pump
The output power at Pu realizes that the steady Differential Output of optical power, the display unit electrically connect with the LED display
It connects；
The one-chip computer module is between the front panel and the rear panel.
Further preferred technical solution as above-mentioned technical proposal, the laser amplifier unit includes amplifier, institute
The end VCC for stating amplifier is grounded by capacitor C9, and the end I1- of the amplifier is grounded by resistance R4, the I1- of the amplifier
End also passes sequentially through resistance R31, capacitor C5 ground connection, the connects end altogether and slide rheostat RV3 of the resistance R31 and the capacitor C5
3 pins be electrically connected, 2 pins of slide rheostat RV3 ground connection.
Further preferred technical solution as above-mentioned technical proposal, the optical power output detection unit includes capacitor
One end of C21, the capacitor C21 are grounded, and one end of the one end of the capacitor C21 remotely and inductance L1 are electrically connected, described
The connects end altogether of the capacitor C21 and inductance L1 passes sequentially through resistance R32, resistance R21 ground connection.
Further preferred technical solution as above-mentioned technical proposal, the temperature detecting unit include resistance R17, institute
A termination power of resistance R17 is stated, between the resistance R17 one end and ground far from power supply and is connected to resistance R16 and capacitor C3,
The connects end altogether of the resistance R17 and resistance R16 and 10 pins of the board unit are electrically connected.
Further preferred technical solution as above-mentioned technical proposal, the display unit and the board unit are electrical
Connection, the display unit include light input, light output, and the light input includes slide rheostat RV1, the slide rheostat
Between RV1 and ground and it is connected to resistance R1 and capacitor C1,
The light output includes slide rheostat RV2, between the slide rheostat RV2 and ground and is connected to resistance R2 and electricity
The connects end altogether for holding C2, the resistance R1 and the capacitor C1 is electrically connected by 16 pins of resistance R8 and the display unit,
The connects end altogether of the resistance R2 and capacitor C2 is electrically connected by 18 pins of resistance R9 and the display unit.
Further preferred technical solution as above-mentioned technical proposal, the rear panel include that power switch and power supply are inserted
Seat, the power switch are used for Switching Power Supply, and the power outlet is for connecing power supply.
Further preferred technical solution as above-mentioned technical proposal, the front panel further include status indicator lamp, electricity
Source indicator light, the status indicator lamp are used to indicate state, and the power supply indicator is used to indicate whether power supply is connected.
Further preferred technical solution as above-mentioned technical proposal, the status indicator lamp include green light and red light,
The green light is used to indicate the laser amplifier unit and works normally, and the red light is used to indicate no optical power input or described
Light puts output balancing unit failure.
Further preferred technical solution as above-mentioned technical proposal, the unit machine module further include voltage detecting list
Member, the voltage detection unit include resistance R25, and a termination power of the resistance R25, the resistance R25 is far from power supply
Between one end and ground and it is connected to resistance R26 and capacitor C4.
Invention additionally discloses a kind of light to put output balance method, puts output balancing unit suitable for the light.
Detailed description of the invention
Fig. 1 is the laser amplifier element circuit figure that light of the invention puts output balancing unit and its method.
Fig. 2 is the optical power output detection cell circuit figure that light of the invention puts output balancing unit and its method.
Fig. 3 is the temperature detecting unit circuit diagram that light of the invention puts output balancing unit and its method.
Fig. 4 is the display unit circuit figure that light of the invention puts output balancing unit and its method.
Fig. 5 is the board unit circuit diagram that light of the invention puts output balancing unit and its method.
Fig. 6 is the voltage detection unit circuit diagram that light of the invention puts output balancing unit and its method.
Specific embodiment
It is described below for disclosing the present invention so that those skilled in the art can be realized the present invention.It is excellent in being described below
Embodiment is selected to be only used as illustrating, it may occur to persons skilled in the art that other obvious modifications.It defines in the following description
Basic principle of the invention can be applied to other embodiments, deformation scheme, improvement project, equivalent program and do not carry on the back
Other technologies scheme from the spirit and scope of the present invention.
Referring to Figure 1 of the drawings, Fig. 1 is the laser amplifier element circuit that light of the invention puts output balancing unit and its method
Figure, Fig. 2 are the optical power output detection cell circuit figures that light of the invention puts output balancing unit and its method, and Fig. 3 is this hair
Bright light puts the temperature detecting unit circuit diagram of output balancing unit and its method, and Fig. 4 is that light of the invention puts output balance dress
It sets and its display unit circuit figure of method, Fig. 5 is the board unit electricity that light of the invention puts output balancing unit and its method
Lu Tu, Fig. 6 are the voltage detection unit circuit diagrams that light of the invention puts output balancing unit and its method.
In a preferred embodiment of the invention, those skilled in the art note that the end VCC according to the present invention, the end I1-,
Laser pumping etc. can be considered as the prior art.
Preferred embodiment.
The invention discloses a kind of light to put output balancing unit, including front panel, one-chip computer module, rear panel, in which:
The front panel includes LED display, at least two laser pumpings, and the LED display is described for showing
Light puts the function and fault alarm of output balancing unit, and the laser pumping is for providing energy；
The one-chip computer module includes laser amplifier unit U2, optical power output detection unit U6, temperature detecting unit, shows
Show that unit J2, board unit U4, the laser amplifier unit U2 amplify for redundancy, the optical power output detection unit U6 is logical
The power control to the laser pumping is crossed to realize the steady Differential Output of optical power, the temperature detecting unit by pair
The output power of the laser pumping realizes the steady Differential Output of optical power, the display unit J2 with it is described
LED display is electrically connected；
The one-chip computer module is between the front panel and the rear panel.
It is noted that the laser amplifier unit U2 includes amplifier, the end VCC of the amplifier passes through capacitor C9
Ground connection, the end I1- of the amplifier are grounded by resistance R4, and the end I1- of the amplifier also passes sequentially through resistance R31, capacitor
3 pins of C5 ground connection, the connects end altogether and slide rheostat RV3 of the resistance R31 and the capacitor C5 are electrically connected, the sliding
2 pins of rheostat RV3 are grounded.
Particularly, the optical power output detection unit U6 includes capacitor C21, one end ground connection of the capacitor C21, institute
The one end for stating the one end of capacitor C21 remotely and inductance L1 is electrically connected, the connects end altogether of the capacitor C21 and the inductance L1 according to
It is secondary to be grounded by resistance R32, resistance R21.
Preferably, the temperature detecting unit includes resistance R17, a termination power of the resistance R17, the resistance
Between R17 one end and ground far from power supply and it is connected to resistance R16 and capacitor C3, the resistance R17 connect altogether with the resistance R16's
End and 10 pins of the board unit are electrically connected.
Further, the display unit J2 and the board unit are electrically connected, the display unit includes that light is defeated
Enter J21, light output J22, the light input J21 includes slide rheostat RV1, between the slide rheostat RV1 and ground and is connect
There are resistance R1 and capacitor C1,
The light output J22 includes slide rheostat RV2, between the slide rheostat RV2 and ground and is connected to resistance R2
Electrically connected with the connects end altogether of capacitor C2, the resistance R1 and the capacitor C1 by resistance R8 and 16 pins of the display unit
It connects, the connects end altogether of the resistance R2 and the capacitor C2 are electrically connected by 18 pins of resistance R9 and the display unit.
Moreover, the rear panel includes power switch and power outlet, and the power switch is for switching electricity
Source, the power outlet is for connecing power supply.
Preferably, the front panel further includes status indicator lamp, power supply indicator, and the status indicator lamp is used to indicate shape
State, the power supply indicator are used to indicate whether power supply is connected.
Preferably, the status indicator lamp includes green light and red light, and the green light is used to indicate the laser amplifier unit
It works normally, the red light is used to indicate no optical power input or the light puts output balancing unit failure.
Particularly, the unit machine module further includes voltage detection unit, and the voltage detection unit includes resistance
R25, a termination power of the resistance R25, between the resistance R25 one end and ground far from power supply and be connected to resistance R26 and
Capacitor C4.
Invention additionally discloses a kind of light to put output balance method, puts output balancing unit suitable for the light.
It is noted that the technical characteristics such as the end VCC, the end I1-, laser pumping that present patent application is related to should be by
It is considered as the prior art, the specific structures of these technical characteristics, working principle and the control mode that may relate to, space layout
Mode uses the conventional selection of this field, is not construed as where the inventive point of the invention patent, and the invention patent is not done
Further specific expansion is described in detail.
For a person skilled in the art, technical solution documented by foregoing embodiments can still be repaired
Change or equivalent replacement of some of the technical features, it is all within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should be included in protection scope of the present invention.
Claims (10)
1. a kind of light puts output balancing unit, which is characterized in that including front panel, one-chip computer module, rear panel, in which:
The front panel includes LED display, at least two laser pumpings, and the LED display is for showing that the light is put
The function and fault alarm of output balancing unit, the laser pumping is for providing energy；
The one-chip computer module include laser amplifier unit, optical power output detection unit, temperature detecting unit, display unit,
Board unit, the laser amplifier unit amplify for redundancy, and the optical power output detection unit passes through to the laser
The power control of pumping realizes that the steady Differential Output of optical power, the temperature detecting unit pass through to the laser pumping
Output power realize that the steady Differential Output of optical power, the display unit and the LED display are electrically connected；
The one-chip computer module is between the front panel and the rear panel.
2. a kind of light according to claim 1 puts output balancing unit, which is characterized in that the laser amplifier unit includes
The end VCC of amplifier, the amplifier is grounded by capacitor C9, and the end I1- of the amplifier is grounded by resistance R4, described to put
The end I1- of big device also passes sequentially through resistance R31, capacitor C5 ground connection, the connects end altogether and sliding of the resistance R31 and the capacitor C5
3 pins of rheostat RV3 are electrically connected, the 2 pins ground connection of the slide rheostat RV3.
3. a kind of light according to claim 1 puts output balancing unit, which is characterized in that the optical power output detection is single
Member includes capacitor C21, and one end of the capacitor C21 is grounded, and one end of the one end of the capacitor C21 remotely and inductance L1 are electrical
The connects end altogether of connection, the capacitor C21 and the inductance L1 pass sequentially through resistance R32, resistance R21 ground connection.
4. a kind of light according to claim 1 puts output balancing unit, which is characterized in that the temperature detecting unit includes
Resistance R17, a termination power of the resistance R17 between the resistance R17 one end and ground far from power supply and are connected to resistance
10 pins of the connects end altogether of R16 and capacitor C3, the resistance R17 and the resistance R16 and the board unit are electrically connected.
5. a kind of light according to claim 1 puts output balancing unit, which is characterized in that the display unit and the master
Plate unit is electrically connected, and the display unit includes light input, light output, and the light input includes slide rheostat RV1, described
Between slide rheostat RV1 and ground and it is connected to resistance R1 and capacitor C1, the light output includes slide rheostat RV2, the cunning
It moves between rheostat RV2 and ground and the connects end altogether for being connected to resistance R2 and capacitor C2, the resistance R1 and the capacitor C1 passes through electricity
16 pins for hindering R8 and the display unit are electrically connected, the connects end altogether of the resistance R2 and the capacitor C2 by resistance R9 with
18 pins of the display unit are electrically connected.
6. a kind of light according to claim 1 puts output balancing unit, which is characterized in that the rear panel includes that power supply is opened
It closes and power outlet, the power switch is used for Switching Power Supply, the power outlet is for connecing power supply.
7. a kind of light according to claim 1 puts output balancing unit, which is characterized in that the front panel further includes state
Indicator light, power supply indicator, the status indicator lamp are used to indicate state, and the power supply indicator is used to indicate whether power supply connects
It is logical.
8. a kind of light according to claim 7 puts output balancing unit, which is characterized in that the status indicator lamp includes green
Lamp and red light, the green light are used to indicate the laser amplifier unit and work normally, and it is defeated that the red light is used to indicate no optical power
Enter or the light puts output balancing unit failure.
9. a kind of light according to claim 1 puts output balancing unit, which is characterized in that the unit machine module further includes
Voltage detection unit, the voltage detection unit include resistance R25, a termination power of the resistance R25, the resistance R25
Between one end and ground far from power supply and it is connected to resistance R26 and capacitor C4.
10. a kind of light puts output balance method, which is characterized in that put output suitable for the described in any item light of claim 1-9
Balancing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910757287.5A CN110416866B (en) | 2019-08-16 | 2019-08-16 | Light emission output balancing device and method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910757287.5A CN110416866B (en) | 2019-08-16 | 2019-08-16 | Light emission output balancing device and method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110416866A true CN110416866A (en) | 2019-11-05 |
| CN110416866B CN110416866B (en) | 2023-11-21 |
Family
ID=68367724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910757287.5A Active CN110416866B (en) | 2019-08-16 | 2019-08-16 | Light emission output balancing device and method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110416866B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010043389A1 (en) * | 1998-07-17 | 2001-11-22 | Dag Bonnedal | Optical fiber amplifier control |
| CN106207730A (en) * | 2016-09-05 | 2016-12-07 | 吉林大学 | A kind of high stability laser pumping source with overheat protection function |
| CN108390722A (en) * | 2018-04-13 | 2018-08-10 | 无锡市德科立光电子技术有限公司 | The control circuit of the non-linear EDFA of power output |
| CN109412002A (en) * | 2018-12-26 | 2019-03-01 | 吉林大学 | A kind of high efficiency laser pump (ing) source device |
| CN109994919A (en) * | 2019-05-05 | 2019-07-09 | 无锡市德科立光电子技术有限公司 | A kind of pumping pro rate control circuit and erbium-doped fiber amplifier |
-
2019
- 2019-08-16 CN CN201910757287.5A patent/CN110416866B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010043389A1 (en) * | 1998-07-17 | 2001-11-22 | Dag Bonnedal | Optical fiber amplifier control |
| CN106207730A (en) * | 2016-09-05 | 2016-12-07 | 吉林大学 | A kind of high stability laser pumping source with overheat protection function |
| CN108390722A (en) * | 2018-04-13 | 2018-08-10 | 无锡市德科立光电子技术有限公司 | The control circuit of the non-linear EDFA of power output |
| CN109412002A (en) * | 2018-12-26 | 2019-03-01 | 吉林大学 | A kind of high efficiency laser pump (ing) source device |
| CN109994919A (en) * | 2019-05-05 | 2019-07-09 | 无锡市德科立光电子技术有限公司 | A kind of pumping pro rate control circuit and erbium-doped fiber amplifier |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110416866B (en) | 2023-11-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103067090B (en) | Reinforcement received signal power indicator and using method for optical device | |
| CN104518837A (en) | Testing backboard, testing device and testing system for board cards | |
| CN106452569A (en) | Multi-backup OTDR optical amplification device with shared light source and control method | |
| CN110416866A (en) | Light puts output balancing unit and its method | |
| CN204362050U (en) | A kind of light supply apparatus | |
| CN113406985B (en) | All-solid-state power source system | |
| CN110514998A (en) | New-energy automobile charge protection device relay on-off detection system and method | |
| CN206620132U (en) | The OTDR optical amplification devices of many backups of common light source | |
| CN204009020U (en) | A kind of AC power supply system exerciser | |
| CN207588864U (en) | A kind of visible light communication system | |
| CN102981134B (en) | Intelligent display device tester of switch cabinet | |
| CN102710320B (en) | Small intelligent optical distribution equipment | |
| CN105784194B (en) | Achieving multipoint temperature detection integrating device and achieving multipoint temperature detection system | |
| CN104796192A (en) | Intelligent real-time multichannel optical fibre monitoring system and method | |
| CN104880993A (en) | Board for fault diagnosis of torsion-synchronization intelligent numerical control bending machine | |
| CN209400619U (en) | Universal link switching device | |
| CN201812328U (en) | Charging column control system | |
| CN108832961B (en) | Long range transponder information Transmission system | |
| CN208254652U (en) | Single-photon detector is converted in a kind of miniaturization | |
| CN209420172U (en) | A kind of assembling cabinet of power TT&amp simulator | |
| CN111061197A (en) | Control device and control method for reverse-plugging prevention circuit and household appliance | |
| CN204064454U (en) | The hand-held optical power gauge of modulus compatibility | |
| CN109451376A (en) | A kind of backward remote gain unit and remote optical pumping amplifier | |
| CN203311042U (en) | Passive visible optical patch cord tracker and optical patch cord | |
| CN219802174U (en) | Driving circuit, device and laser point cloud equipment |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |