CN103218278B - Automatic detection and control device and automatic detection control method thereof - Google Patents
Automatic detection and control device and automatic detection control method thereof Download PDFInfo
- Publication number
- CN103218278B CN103218278B CN201210018125.8A CN201210018125A CN103218278B CN 103218278 B CN103218278 B CN 103218278B CN 201210018125 A CN201210018125 A CN 201210018125A CN 103218278 B CN103218278 B CN 103218278B
- Authority
- CN
- China
- Prior art keywords
- power supply
- supply signal
- external device
- result
- system power
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Power Sources (AREA)
Abstract
The invention discloses a kind of automatic detection and control device and automatic detection control method thereof.This automatic detection and control device is powered by a system power supply signal or an external device (ED), and a detection action is carried out when coupling with this external device (ED), it comprises: a detection module, and whether one first power supply signal in order to detect this external device (ED) exists judges whether external device (ED) is that self-power supply is to produce one first result accordingly; One power management module, in order to prevent this first power supply signal and this system power supply signal conflict; And a control module, determine whether by this power management module signal-powered to this external device (ED) via this system power supply according to this first result.
Description
Technical field
The invention relates to a kind of automatic detection and control device and its detection control method, particularly about a kind of automatic detection and control device in order to prevent power supply from conflicting and its detection control method.
Background technology
USB (USB (universal serial bus)) makes the connection between computing machine from different peripheral device and controls there has been unified interface in recent years.Generally speaking, computing machine is as USB master (HOST) device, and peripheral device is as USB from (SERVICE) device, and the main device of USB provides power supply to USB from device and passes receives data.
But can connect and control between different peripheral devices to make, the specification of USB on the go (OTG) is suggested, its fundamental purpose is exactly allow the peripheral device of two different USB not need to be linked by computing machine, can change master slave relation according to need again simultaneously.The usb connecting port of traditional USB device only has four pins, and meets in the USB device of USB OTG specification and need to comprise USB OTG chip, and USB OTG chip separately need have ID pin to judge that USB device is main device or from device.
And in known technology, when when respectively having power supply, one of determined master and slave devices relation device couples mutually with an external device (ED), common problem is that different power supplies easily makes the power supply conflict of both sides and makes the element of this two devices burn or damage.
And if USB device has a side not meet USB OTG specification (the i.e. non-USB OTG of a side, do not have USB OTG chip or an ID pin), then need between USB device to utilize the other side and our USB from joint (connector) or USB major joint be connected judge we and the other side what be the main device of USB, what for USB is from device, connect and control to process it further.Therefore conventional non-USB OTG need to possess different USB joint judge when connecting its be main device or USB from device, and cannot to judge with single joint or automatically detect.
Summary of the invention
Therefore one of numerous object of the present invention is for providing a kind of automatic detection and control device and its detection method, when with solution, when respectively having power supply, one of determined master and slave devices relation device couples mutually with an external device (ED), the problem of the power supply conflict of both sides, to improve the disappearance of known technology.
Therefore one of numerous objects of the present invention are for providing a kind of automatic detection and control device and its detection method, and it can single joint and do not need extra pin, utilizes automatically to detect and carries out connecting and control, to improve the disappearance of known technology.And its application is not limited with USB.
Therefore according to a kind of automatic detection and control device of one embodiment of the invention, it is powered by a system power supply signal or an external device (ED), and a detection action is carried out when coupling with this external device (ED), it comprises: a detection module, and whether one first power supply signal in order to detect this external device (ED) exists judges whether external device (ED) is that self-power supply is to produce one first result accordingly; One power management module, in order to prevent this first power supply signal and this system power supply signal conflict; And a control module, determine whether by this power management module signal-powered to this external device (ED) by this system power supply according to this first result.
Therefore according to a kind of automatic detection control method of one embodiment of the invention, a detection action is carried out when coupling for an automatic detection and control device and an external device (ED), wherein this automatic detection and control device is powered by a system power supply signal or this external device (ED), and the method comprises the following step: whether one first power supply signal detecting this external device (ED) exists judges whether external device (ED) is that self-power supply is to produce one first result accordingly; Prevent this first power supply signal and this system power supply signal conflict; And determine whether by this system power supply signal-powered to this external device (ED) according to this first result.
Therefore according to a kind of automatic detection control method of one embodiment of the invention, a detection action is carried out when coupling for an automatic detection and control device and an external device (ED), wherein this automatic detection and control device is powered by a system power supply signal or this external device (ED), and the method comprises the following step: one first signal detecting this external device (ED) judge according to this this external device (ED) be a main device or from device to produce one the 3rd result; Prevent one first power supply signal and this system power supply signal conflict of this external device (ED); And determine whether by this system power supply signal-powered to this external device (ED) according to the 3rd result.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the automatic detection and control device according to one embodiment of the invention;
Fig. 2 is the schematic diagram of the automatic detection and control device according to one embodiment of the invention;
Fig. 3 is the process flow diagram of the automatic detection control method according to one embodiment of the invention; And
Fig. 4 is the process flow diagram of the automatic detection control method according to one embodiment of the invention.
Main element symbol description
30: automatic detection and control device 31: testing circuit module
35: power management module 32: control module
33: system power supply 34: external device (ED)
353: the first on-off circuits 354: second switch circuit
355: voltage regulation unit 316: detecting unit
317: USB (universal serial bus) circuit 3530: diode group
3531: the first diode 3532: the second diodes
3533: the three diode 3534: the first switches
3541: the four diodes 3542: second switch
Embodiment
Refer to Fig. 1, it is the schematic diagram of the automatic detection and control device 30 according to one embodiment of the invention.Automatic detection and control device 30 by system power supply signal V5 (from system power supply 33) or external device (ED) 34 (the first power supply signal VBUS) power supply, and carries out a detection action when coupling with external device (ED) 34.This automatic detection and control device 30 comprises detection module 31, control module 32 and a power management module 35.Whether this detection module 31 exists in order to the one first power supply signal VBUS detecting this external device (ED) 34 judges whether external device (ED) is self-power supply accordingly, detect the one first signal SD1 whether this system power supply signal V5 exist or detect this external device (ED), to produce a testing result SR0.Power management module 35, conflicts with system power supply signal V5 in order to prevent the first power supply signal VBUS.Control module 32 controls power management module 35 with control signal SC0, decides or judges whether to power to this external device (ED) 34 by this power management module 35 by this system power supply signal V5, whether powered to this automatic detection and control device 30 or external device (ED) 34 by this first power supply signal VBUS by this power management module 35 be that a main device or is from device according to this testing result SR0.
Refer to Fig. 2, it is the schematic diagram of automatic detection and control device 30 according to a preferred embodiment of the present invention.The present embodiment is with automatic detection and control device 30 and external device (ED) 34 for USB device explains, but the present invention is not limited to be applied to USB system.
Before automatic detection and control device 30 couples with external device (ED) 34, automatic detection and control device 30 is with external device (ED) 34 and do not know power supply status each other and principal and subordinate's configuration status, therefore in an embodiment, first must prevent power supply each other (the first power supply signal VBUS and system power supply signal V5) from conflicting.In one embodiment, it utilizes the pressure unit of one-way conduction to prevent the first power supply signal VBUS from conflicting with system power supply signal V5, and wherein the pressure unit of one-way conduction is preferably diode.As Fig. 2, this power management module 35 comprises one first on-off circuit 353, second switch circuit 354 and a voltage regulation unit 355.This first on-off circuit 353 has one first end points P1 and one second end points P2, and this first on-off circuit couples the feed end of this first power supply signal VBUS at this first end points P1.This second switch circuit 314 has one the 3rd end points P3 and the 4th end points P4, and this second switch circuit 354 couples the feed end of this second source signal V5 at the 4th end points P4.The input end P5 of voltage regulation unit 315 and this second end points P2 and the 3rd end points P3 couples.This first on-off circuit 353 comprises diode group 3530, the 3rd diode 3533 and one first switch 3534 parallel with one another, and this diode group 3530 comprises one first diode 3531 and one second diode 3532.This second switch circuit 354 comprises one the 4th diode 3541 and a second switch 3542 parallel with one another.When the first power supply signal VBUS and system power supply signal V5 exists simultaneously, such as V5=5V, VBUS=5V, and the operating voltage needed for automatic detection and control device 30 is 3.3V, then system power supply signal V5 is through the pressure drop of the 4th diode 3541, first power supply signal VBUS through the pressure drop of the 3rd diode 3533, and can avoid conflict when P5 contacts, and the element of avoiding device burns or damages.And voltage regulation unit 355 will will be now that 3.3V (operating voltage SPOWER) uses in the early stage for detection module 31 or control module 32 from the Power convert of system power supply signal V5 or the first power supply signal VBUS or voltage stabilizing prior to P5.Wherein, the first switch 3534 and second switch 3542 are initially set to not conducting.In this manual, the declaration of will that signal exists signal detected and its magnitude of voltage is enough to make corresponding circuit or module running.
In an embodiment, detection module 31 comprises a detecting unit 316, produces the first result SR1 in order to detect the first power supply signal VBUS of this external device (ED) 34.Whether the first power supply signal VBUS detecting this external device (ED) 34 exists by detection module 31 judges whether external device (ED) 34 is that self-power supply is to produce one first result SR1 accordingly.First supposing the system power supply signal V5 exists.If now VBUS=5V, it will exceed operating voltage SPOWER, therefore dividing potential drop or step-down mode can be utilized, as dividing potential drop half VBUS for 2.5V and the first threshold VTH (as 2V) set by operating voltage SPOWER compare, then now 2.5V is greater than 2V, represent that VBUS exists, the voltage detected at the feed end of this first power supply signal VBUS is really VBUS, and external device (ED) 34 is self-power supply.If VBUS does not exist, then now detect that VBUS voltage is actually system power supply signal V5 and obtains through three N (as 3 × 0.7=2.1) of diode 3541,3532 and 3531 at the feed end of this first power supply signal VBUS, it is 5V-2.1V=2.9V, so time 2.9V/2=1.45V will be less than 2V, represent that VBUS does not exist, external device (ED) 34 is not self-power supply.The wherein voltage of operating voltage SPOWER, the first power supply signal VBUS or the voltage of system power supply signal V5 and the number of dividing potential drop or step-down mode, first threshold VTH and diode and switch thereof and coupling mode, can according to adjustment change during practical application, the present invention is not as limit.
Following control module 32 will determine whether being powered to this external device (ED) 34 via this system power supply signal V5 by this power management module 35 according to the first result SR1.When external device (ED) 34 is not self-power supply, control module 32 will by control signal SC1 and control signal SC2 come conducting first switch 3534 and second switch 3542 with via system power supply signal V5 normal power supply to this external device (ED) 34, and not through the pressure drop of diode 3541,3532 and 3531, and produce operating voltage SPOWER and use to automatic detection and control device 30.When external device (ED) 34 is self-power supply, control module 32 will by control signal SC1 and control signal SC2 not conducting first switch 3534 but conducting second switch 3542, to make system power supply signal V5 not conflict with the first power supply signal VBUS, and used to automatic detection and control device 30 by system power supply signal V5 generation operating voltage SPOWER.
In an embodiment, whether detection module 31 also detects this system power supply signal V5 exists and produces one second result SR2 accordingly, and this control module 32 also determines whether being powered to this automatic detection and control device 30 via this first power supply signal VBUS by this power management module 35 according to this second result SR2.If system power supply signal V5 does not exist, then under significant situation, the first power supply signal VBUS is existence.Now Power convert or voltage stabilizing will be that 3.3V (operating voltage SPOWER) uses in the early stage for detection module 31 or control module 32 by voltage regulation unit 355 through the pressure drop of the 3rd diode 3533 by the first power supply signal VBUS again.Therefore utilize similar above-described embodiment dividing potential drop and threshold value to judge the mode whether the first power supply signal VBUS exists, can judge whether system power supply signal V5 exists, and repeats no more.System power supply signal V5 does not exist, control module 32 will carry out conducting first switch 3534 by control signal SC1 and control signal SC2 but not conducting second switch 3542 to produce operating voltage SPOWER with normal power supply to automatic detection and control device 30 via the first power supply signal VBUS, and not through the pressure drop of diode 3533.
In an embodiment, detection module 31 also comprises a versabus circuit 317, produces one the 3rd result SR3 in order to detect one first signal SD1.The one first signal SD1 that versabus circuit 317 detects this external device (ED) 34 judge accordingly this external device (ED) be a main device or from device to produce the 3rd result SR3.For USB device, first signal SD1 is preferably differential wave, it has signal D+ and signal D-, when being detected as corresponding signal, represent that this external device (ED) 34 is one from device, detection module 31 exports DEVICE_CONNECT=1 to control module 32, otherwise is then main device, exports DEVICE_CONNECT=0.
Because main device is generally self-power supply (VBUS existence), and usually need the other side to power (VBUS does not exist) from device, therefore in an embodiment, control module 32 can determine whether being powered to this external device (ED) 34 via this system power supply signal V5 by this power management module 35 according to the 3rd result SR3 and the first result SR1 further, or adjusts first threshold VTH according to the 3rd result SR3.And in another embodiment, control module 32 can only determine whether being powered to this external device (ED) 34 by this system power supply signal V5 according to the 3rd result SR3.
Refer to Fig. 3, it illustrates the automatic detection control method according to one embodiment of the invention, it carries out a detection action when coupling for an automatic detection and control device and an external device (ED), wherein this automatic detection and control device is powered by a system power supply signal or this external device (ED), and the method comprises the following step:
Step S302: whether one first power supply signal detecting this external device (ED) exists judges whether external device (ED) is that self-power supply is to produce one first result accordingly.
Step S304: prevent this first power supply signal and this system power supply signal conflict.
Step S306: determine whether by this system power supply signal-powered to this external device (ED) according to this first result.
According to another embodiment of the present invention, the method separately can comprise the following step:
Step S308: detect this system power supply signal and whether exist, produces one second result accordingly; And determine whether being powered to this automatic detection and control device by this first power supply signal according to this second result.
According to another embodiment of the present invention, the method separately can comprise the following step:
Step S310: one first signal detecting this external device (ED) to judge this external device (ED) be a main device or from device to produce one the 3rd result.
According to another embodiment of the present invention, the method separately can comprise the following step:
Step S312: determine whether by this power management module signal-powered to this external device (ED) via this system power supply according to the 3rd result and this first result.
According to another embodiment of the present invention, the method separately can comprise the following step:
Step S314: utilize the pressure unit of an one-way conduction to prevent this first power supply signal and this system power supply signal conflict; And the switch that conducting one is in parallel with this pressure unit, to make this system power supply signal normal power supply to this external device (ED).
Refer to Fig. 4, it illustrates the automatic detection control method according to one embodiment of the invention, it carries out a detection action when coupling for an automatic detection and control device and an external device (ED), wherein this automatic detection and control device is powered by a system power supply signal or this external device (ED), and the method comprises the following step:
Step S402: one first signal detecting this external device (ED) judge accordingly this external device (ED) be a main device or from device to produce one the 3rd result.
Step S404: one first power supply signal and this system power supply signal conflict that prevent this external device (ED).
Step S406: determine whether by this system power supply signal-powered to this external device (ED) according to the 3rd result.
According to another embodiment of the present invention, the method separately can comprise the following step:
Step S408: utilize the pressure unit of an one-way conduction to prevent this first power supply signal and this system power supply signal conflict; And
The switch that conducting one is in parallel with this pressure unit, to make this system power supply signal normal power supply to this external device (ED)
According to another embodiment of the present invention, the method separately can comprise the following step:
Step S410: detect this system power supply signal and whether exist to produce one second result; And determine whether powering to this automatic detection and control device via this first power supply signal according to this second result.
Note that hypothesis can obtain identical result substantially, the step in the process flow diagram shown in Fig. 3, Fig. 4 not necessarily performs continuously in accordance with this sequence, and other step also can be inserted wherein.
In sum, according to automatic detection and control device of the present invention and its detection method, it really can improve the disappearance of known technology.
The foregoing is only preferred embodiment of the present invention, all equalizations done according to the present patent application the scope of the claims change and modify, and all should belong to covering scope of the present invention.
Claims (12)
1. an automatic detection and control device, it is powered by a system power supply signal or an external device (ED), and carries out a detection action when coupling with described external device (ED), and it comprises:
One detection module, whether one first power supply signal in order to detect described external device (ED) exists judges whether described external device (ED) is that self-power supply is to produce one first result accordingly;
One power management module, in order to prevent described first power supply signal and described system power supply signal conflict; And
One control module, determines whether by described power management module signal-powered to described external device (ED) via described system power supply according to described first result,
Wherein, whether described detection module also detects described system power supply signal exists and produces one second result according to this, and described control module also determines whether being powered to described automatic detection and control device via described first power supply signal by described power management module according to described second result.
2. device according to claim 1, wherein, one first signal that described detection module also detects described external device (ED) judge accordingly described external device (ED) be a main device or from device to produce one the 3rd result.
3. device according to claim 2, wherein, described control module also determines whether by described power management module signal-powered to described external device (ED) via described system power supply according to described 3rd result and described first result.
4. device according to claim 1, wherein, described detection module is compared to obtain described first result by the first threshold obtained according to described system power supply signal or described first power supply signal and the voltage detected at a feed end of described first power supply signal VBUS.
5. device according to claim 1, wherein, described power management module comprises:
The pressure unit of one one-way conduction, in order to prevent described first power supply signal and described system power supply signal conflict; And
One switch, in parallel with described pressure unit, determine by described power management module signal-powered to conducting when described external device (ED) via described system power supply in described control module.
6. device according to claim 5, wherein, makes described system power supply signal normal power supply to described external device (ED) during described switch conduction.
7. an automatic detection control method, carries out a detection action when coupling for an automatic detection and control device and an external device (ED), wherein said automatic detection and control device is powered by a system power supply signal or described external device (ED), and described method comprises the following step:
Whether one first power supply signal detecting described external device (ED) exists judges whether described external device (ED) is that self-power supply is to produce one first result accordingly;
Prevent described first power supply signal and described system power supply signal conflict;
Determine whether by described system power supply signal-powered to described external device (ED) according to described first result;
Detect described system power supply signal whether to exist and produce one second result accordingly; And
Determine whether powering to described automatic detection and control device via described first power supply signal according to described second result.
8. method according to claim 7, also comprises the following step:
One first signal detecting described external device (ED) to judge described external device (ED) be a main device or from device to produce one the 3rd result.
9. method according to claim 8, also comprises the following step:
Determine whether by described power management module signal-powered to described external device (ED) via described system power supply according to described 3rd result and described first result.
10. method according to claim 7, also comprises the following step:
Utilize the pressure unit of an one-way conduction to prevent described first power supply signal and described system power supply signal conflict; And
The switch that conducting one is in parallel with described pressure unit, to make described system power supply signal normal power supply to described external device (ED).
11. 1 kinds of automatic detection control methods, a detection action is carried out when coupling for an automatic detection and control device and an external device (ED), wherein said automatic detection and control device is powered by a system power supply signal or described external device (ED), and described method comprises the following step:
One first signal detecting described external device (ED) judge accordingly described external device (ED) be a main device or from device to produce one the 3rd result;
Prevent one first power supply signal of described external device (ED) and described system power supply signal conflict;
Determine whether by described system power supply signal-powered to described external device (ED) according to described 3rd result,
Detect described system power supply signal whether to exist to produce one second result; And
Determine whether powering to described automatic detection and control device via described first power supply signal according to described second result.
12. methods according to claim 11, also comprise the following step:
Utilize the pressure unit of an one-way conduction to prevent described first power supply signal and described system power supply signal conflict; And
The switch that conducting one is in parallel with described pressure unit, to make described system power supply signal normal power supply to described external device (ED).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210018125.8A CN103218278B (en) | 2012-01-19 | 2012-01-19 | Automatic detection and control device and automatic detection control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210018125.8A CN103218278B (en) | 2012-01-19 | 2012-01-19 | Automatic detection and control device and automatic detection control method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103218278A CN103218278A (en) | 2013-07-24 |
| CN103218278B true CN103218278B (en) | 2015-08-26 |
Family
ID=48816098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210018125.8A Active CN103218278B (en) | 2012-01-19 | 2012-01-19 | Automatic detection and control device and automatic detection control method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103218278B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| MX367638B (en) * | 2014-09-15 | 2019-08-29 | Micro Motion Inc | A method and apparatus to control a mode of a device. |
| CN109086236A (en) | 2017-06-14 | 2018-12-25 | 国基电子（上海）有限公司 | Power source charges path switching circuit and its electronic equipment |
| CN110597375B (en) * | 2019-11-13 | 2020-02-14 | 亮风台（上海）信息科技有限公司 | External equipment power supply device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101944074A (en) * | 2010-07-05 | 2011-01-12 | 中兴通讯股份有限公司 | Method and device for realizing OTG based on USB socket |
| CN202076771U (en) * | 2011-04-29 | 2011-12-14 | 比亚迪股份有限公司 | USB OTG circuit and portable electronic device utilizing thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200707208A (en) * | 2005-08-03 | 2007-02-16 | Sunplus Technology Co Ltd | USB device capable of automatically detecting USB mode and method thereof |
-
2012
- 2012-01-19 CN CN201210018125.8A patent/CN103218278B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101944074A (en) * | 2010-07-05 | 2011-01-12 | 中兴通讯股份有限公司 | Method and device for realizing OTG based on USB socket |
| CN202076771U (en) * | 2011-04-29 | 2011-12-14 | 比亚迪股份有限公司 | USB OTG circuit and portable electronic device utilizing thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103218278A (en) | 2013-07-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104317376B (en) | Power distribution inside cable | |
| CN106104506B (en) | For entering the method, apparatus and computer program product of attachment joint mode in USB c-type interface | |
| CN104657313B (en) | Detecting system and method for universal serial bus device | |
| US8683087B2 (en) | Mobile device auto detection apparatus and method | |
| CN102750252B (en) | USB/UART interface multiplexing circuit and use the electronic equipment of this circuit | |
| CN107430420A (en) | The low-power TYPE C receivers suppressed with high idle noise and DC level | |
| CN105740194A (en) | System And Method For Providing Power Through A Reverse Local Data Transfer Connection | |
| CN108666826A (en) | A kind of adapter, terminal device and switching head system | |
| CN112671084B (en) | USB device and operation method thereof | |
| WO2017118441A1 (en) | Method and apparatus for configuring interface pin | |
| TW201602793A (en) | Portable electronic device and power management method thereof | |
| CN108021522A (en) | USB device master slave mode switching circuit | |
| TW201327126A (en) | Auto-detection control device and method thereof | |
| CN104809088A (en) | Connecting device and control chip and control method thereof | |
| US20150253842A1 (en) | Semiconductor device, and power control method for usbotg | |
| CN202076771U (en) | USB OTG circuit and portable electronic device utilizing thereof | |
| CN103218278B (en) | Automatic detection and control device and automatic detection control method thereof | |
| TW201707326A (en) | Power supply system for electronic device | |
| KR101774179B1 (en) | Power management in a circuit | |
| CN201667067U (en) | USB interface | |
| CN101174235A (en) | Test board and test system | |
| CN101572482B (en) | Power controller with adaptation power supply | |
| CN201662766U (en) | USB power supply system and USB interfaces | |
| CN114372013B (en) | USB interface expansion circuit and terminal | |
| KR101276840B1 (en) | A ＵＳＢ device sensing ＵＳＢ connection |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |