CN105490318B - Device and method for judging battery module and electronic device - Google Patents
Device and method for judging battery module and electronic device Download PDFInfo
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- CN105490318B CN105490318B CN201410477543.2A CN201410477543A CN105490318B CN 105490318 B CN105490318 B CN 105490318B CN 201410477543 A CN201410477543 A CN 201410477543A CN 105490318 B CN105490318 B CN 105490318B
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- battery module
- comparison
- chip module
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- 238000000034 method Methods 0.000 title claims description 14
- 238000009434 installation Methods 0.000 claims description 27
- 238000003780 insertion Methods 0.000 claims description 18
- 230000037431 insertion Effects 0.000 claims description 18
- 230000005611 electricity Effects 0.000 claims description 7
- 230000000052 comparative effect Effects 0.000 claims description 6
- IAIWVQXQOWNYOU-FPYGCLRLSA-N nitrofural Chemical compound NC(=O)N\N=C\C1=CC=C([N+]([O-])=O)O1 IAIWVQXQOWNYOU-FPYGCLRLSA-N 0.000 claims description 3
- 239000003990 capacitor Substances 0.000 claims 3
- 230000003044 adaptive effect Effects 0.000 description 6
- 230000008878 coupling Effects 0.000 description 6
- 238000010168 coupling process Methods 0.000 description 6
- 238000005859 coupling reaction Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000013078 crystal Substances 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Classifications
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Secondary Cells (AREA)
- Tests Of Electric Status Of Batteries (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Power Sources (AREA)
Abstract
A judging device for a battery module is coupled with a chip module and comprises a voltage reference module used for generating a comparison voltage; and a logic judgment module for receiving an input voltage and the comparison voltage of the battery module, determining the type of the battery module according to a comparison result of the input voltage and the comparison voltage, and outputting a working voltage to set a preset working voltage value of the chip module.
Description
Technical field
The present invention refers to a kind of judgment means, determination methods and electronic installation for battery module, and espespecially one kind can be used to
The judgment means of the type of a battery module are judged, with the corresponding operating voltage for setting the chip module for coupling electronic module.
Background technology
Presently commercially available electronic apparatus, such as notebook computer or board device, because product specification and design need
Asking may be different, different types of replaceable battery module of often arranging in pairs or groups, such as double cell core (2 cell) concatenation, three batteries (3
Cell) concatenation etc., or use more battery concatenation persons.In the case, due to a chip module of coupling battery module
It is only capable of using fixed operational voltage value, when user inserts different types of battery module or a system pipes of the electronic installation
When managing the display failure of (System management, SM) bus, chip module will be caused to operate in revocable operational voltage value
Under, in turn result in battery module and produce an overvoltage protection or a under-voltage protection.
Therefore it provides a kind of judgment means that can be used to judge the type of a battery module, electronics is coupled with corresponding set
The operating voltage of one chip module of module, it has also become the important topic of this area.
The content of the invention
Therefore, the main object of the present invention is to be to provide a kind of judgement dress that can be used to judge the type of a battery module
Put, determination methods and electronic installation, with the corresponding operating voltage for setting the chip module for coupling electronic module.
The invention discloses a kind of judgment means for being used for a battery module, couple a chip module, and the judgment means include
One voltage reference block, for producing a comparison voltage；And a logic judgment module, it is defeated for receiving the one of the battery module
Enter voltage and the comparison voltage, and the battery module is determined according to the input voltage and a comparative result of the comparison voltage
Type, and then an operating voltage is exported to set the one of the chip module default operational voltage value.
The present invention separately discloses a kind of determination methods for being used for a judgment means, judgment means coupling one battery module and one
Chip module, the determination methods, which include, produces a comparison voltage；And an input voltage of the battery module is received, and according to this
One comparative result of input voltage and the comparison voltage determines the type of the battery module, and then exports an operating voltage to set
One default operational voltage value of the fixed chip module.
The present invention separately discloses a kind of electronic installation, comprising a voltage reference block, for producing a comparison voltage；One battery
Module, for producing an input voltage；One insertion controller, for producing insertion control signal；One chip module, coupling should
Battery module and the insertion controller；And a logic judgment module, couple the chip module, the insertion controller and the battery
Module, for receiving the input voltage, the comparison voltage and insertion control signal, and it is more electric with this according to the input voltage
One comparative result of pressure determines the type of the battery module, and then to export an operating voltage pre- to set the one of the chip module
If operational voltage value.
Brief description of the drawings
Fig. 1 is the rough schematic of the electronic installation of the embodiment of the present invention one.
Fig. 2 is the detailed maps of the subelement of electronic installation in Fig. 1.
Fig. 3 is the flow chart that the embodiment of the present invention one judges flow.
Wherein, description of reference numerals is as follows：
10 electronic installations
100 voltage reference blocks
102 logic judgment modules
1020 logic judgment units
1022 setup units
104 chip modules
106 battery modules
108 insertion controllers
30 determination methods
300th, 302,304,306,308 step
U1 comparators
R1~R7 resistance
Q1~Q3 transistor switches
D1~D3 diodes
C1 electric capacity
VREG operating voltages
VIN initial voltages
V2 driving voltages
V_Ref comparison voltages
V_B input voltages
S_EC insertion control signals
S_BAT controls signal
SMBus System Management Bus
Embodiment
Some vocabulary has been used among specification and follow-up claim to censure specific element.In art
Those of ordinary skill is, it is to be appreciated that manufacturer may call same element with different nouns.This specification and follow-up
Claim not in a manner of the difference of title is used as distinct elements, but be used as with the difference of element functionally
The benchmark of difference.It is an open term in the "comprising" of specification in the whole text and follow-up claim mentioned in, therefore
It should be construed to " include but be not limited to ".In addition, " coupling " one word is herein comprising any direct and indirect electrical connection.
Therefore, if the first device of described in the text one is coupled to a second device, represent the first device may be directly connected to this second
Device, or it is coupled indirectly to the second device by other devices or connection means.
Fig. 1 is refer to, Fig. 1 is the rough schematic of the electronic installation 10 of the embodiment of the present invention one.As shown in figure 1, electronics fills
Put 10 and include a voltage reference block 100, a logic judgment module 102, a chip module 104, a battery module 106 and one
Embedded controller 108.In the present embodiment, voltage reference block 100 can produce a comparison voltage V_Ref, and transmit to logic
Judge module 102.After battery module 106 is coupled to electronic installation 10, battery module 106 can pass through a system administration
(System management, SM) bus SMBus is coupled to chip module 104, while produces an input voltage V_B to logic
Judge module 102.In addition, after battery module 106 couples embedded controller 108, embedded controller 108 by adaptive produces one
It is embedded to control signal S_EC to logic judgment module 102.It will be received as the logic judgment module 102 in the present embodiment more electric
V_Ref, input voltage V_B and embedded control signal S_EC are pressed, and according to an input voltage V_B and comparison voltage V_Ref ratio
Relatively result determines the type of battery module 106, and then exports an operating voltage to set the one of chip module 104 default work
Magnitude of voltage.
It is preferred that the type of the battery module 106 in the present embodiment can include a pair of battery (2 cell) concatenation or one
The design of three batteries (3 cell) concatenation.In other words, if electronic installation 10 has different Functional Designs or user to have difference
During demand, the also compatible battery module in different capacitances, and must only being sentenced by logic of battery module 106 in the present embodiment
Disconnected module 102 first judges input voltage V_B size, with the corresponding type for determining battery module 106, and then sets chip module
Default operational voltage value.
In known technology, the System Management Bus that different types of battery module or electronic installation are inserted as user shows
When showing unsuccessfully, because chip module will be operated in the non-default operational voltage value of the default operating voltage of deviation script, accordingly,
One overvoltage protection or a under-voltage protection will occur for battery module.In comparison, the present embodiment utilizes logic judgment module 102
To judge the type of battery module 106 (the capacitance size i.e. corresponding to battery module 106), with corresponding setting chip module
Default operational voltage value so that electronic installation 10 can any grafting difference capacitance battery module, and then raising electronic installation
10 application.Certainly, those of ordinary skill in the art also adaptive modification logic judgment module 102 judgment mechanism, make
The type for obtaining battery module 106 in the present embodiment also can be the feelings of single battery or more than more than three battery concatenations
Shape, and be not used to limit scope of the invention.
Fig. 2 is refer again to, Fig. 2 is the detailed maps of the subelement of electronic installation 10 in Fig. 1.As shown in Fig. 2 voltage
Referrer module 100 includes resistance R1, R2, and it is to apply Ohm's law and the resistance value by suitably adjusting resistance R1, R2, right
One initial voltage VIN carries out partial pressure, and corresponds to and produce comparison voltage V_Ref and transmit to logic judgment module 102.In addition, this
Logic judgment module 102 in embodiment includes a logic judgment unit 1020 and a setup unit 1022.In the present embodiment
In, logic judgment unit 1020 includes a comparator U1, resistance R3, R4, a transistor switch Q1 and a diode D1, extremely
Include resistance R5, R6, R7, transistor switch Q2, Q3, diode D2, D3 and an electric capacity C1 in setup unit 1022.Accordingly,
Logic judgment unit 1020 receives input voltage V_B, to judge whether an input voltage V_B magnitude of voltage exceedes comparison voltage V_
Ref, and when magnitude of voltage exceedes comparison voltage V_Ref, logic judgment unit 1020 judges the type of battery module 106 for three electricity
Chi Xin is concatenated, and corresponds to output services magnitude of voltage to set the default operational voltage value of chip module 104.Work as logic judgment unit
1020 when judging magnitude of voltage not less than comparison voltage V_Ref, and setup unit 1022 resets the default work of chip module 104
Magnitude of voltage concatenates for double cell core.
Specifically, corresponding adjustment resistance R1, the R2 of voltage reference block 100 resistance value produces 8.8 volts of comparison
Voltage V_Ref, and transmit comparison voltage V_Ref and give comparator U1.After battery module 106 inserts electronic installation 10 (or system
When management bus is not yet established or System Management Bus has been shown as unsuccessfully), battery module 106 also transmits input voltage V_B extremely
Comparator U1.Accordingly, when input voltage V_B is more than comparison voltage V_Ref (i.e. input voltage V_B is more than 8.8 volts), crystal
Pipe switch Q1 will be closed correspondingly so that an operating voltage VREG is used directly to set chip module 104 as high state level news
Number, and the default operational voltage value of chip module 104 is set as that three batteries concatenate the voltage being applicable.
When input voltage V_B is less than comparison voltage V_Ref (i.e. input voltage V_B is less than 8.8 volts), setup unit
1022 transistor switch Q1 will be opened correspondingly, then a pin of chip module 104 will be a suspension joint (Float) state, this
When, resistance R3, R4, R7 and diode D1~D3 can be used to the infringement for preventing a revers voltage and avoiding chip module 104, and electric
Hindering R5, R6, also adaptive produces a driving voltage V2 as 3.3 volts, and will be right after battery module 106 inserts electronic installation 10
The control signal S_BAT of a low state should be produced so that transistor switch Q3 is correspondingly opened, then turns on relief via diode D3
Electric capacity C1 starts to store electricity, starts transistor switch Q2 to produce a pulse signal after electric capacity C1 transient switchings to correspond to,
And then the default operational voltage value for resetting chip module 104 is concatenated applicable voltage by double cell core.In addition, originally
Insertion controller 108 in embodiment is also used for directly producing an insertion control signal S_EC, and chip module 104 is set with corresponding
Default operational voltage value, and then solve what is be applicable between electronic installation 10 battery module 106 and chip module 104 that are inserted
Operating voltage is not yet established for incompatible, System Management Bus each other or System Management Bus has been shown as the facts such as unsuccessfully, and
Chip module operation is avoided to deviate the non-default operational voltage value of default operating voltage originally, and excluding battery module will operate
Being caused for the facts of voltage protection or under-voltage protection can not normal operating.
Further, the determination methods that the logic judgment module 102 of electronic installation 10 is applicable in the present embodiment, can be further
A judgement flow 30 is summarized as, as shown in Figure 3.Judge that flow 30 comprises the steps of：
Step 300：Start.
Step 302：Voltage reference block 100 produces comparison voltage V_Ref.
Step 304：The comparator U1 of logic judgment unit 1020 receives the input voltage V_B of battery module 106, and judges
Whether input voltage V_B size exceedes comparison voltage V_Ref value.When input voltage V_B exceedes comparison voltage V_Ref value
When, step 306 is performed, otherwise, carries out step 308.
Step 306：Logic judgment unit 1020 judges that the type of battery module 106 concatenates for three batteries, and corresponding defeated
Go out operational voltage value to set the default operational voltage value of chip module 104.
Step 308：Keying operation or embedded control signal S_EC of the setup unit 1022 using transistor switch Q3, with weight
The default operational voltage value of the new settings chip module 104 concatenates for double cell core.
The judgement flow 30 that the present embodiment is provided, its detailed operation content can obtain in Fig. 1, Fig. 2 and relevant paragraph
Further appreciate that, omit do not repeat herein.It is interesting to note that judge that the step 302 of flow 30,304 operation order are not used
To limit scope of the invention, i.e., also adaptive changes related content to those of ordinary skill in the art so that logic judgment unit
After 1020 comparator U1 receives the input voltage V_B of battery module 106, comparison voltage is just produced by voltage reference block 100
V_Ref, so again by comparator U1 judge input voltage V_B size whether exceed comparison voltage V_Ref value, and continue into
Row step 306 or step 308.
In short, the present embodiment first produces comparison voltage V_Ref by voltage reference block 100, and in battery module 106
After inserting electronic installation 10, first by the default work electricity of the corresponding setting of logic judgment module 102/reset chip module 104
Pressure value, and then avoid battery module 104 can not normal operating by generation overvoltage protection or the facts of under-voltage protection.When
So, also adaptive changes setting for comparison voltage V_Ref and logic judgment module 102 in the present embodiment to those of ordinary skill in the art
Operation is put, such as comparison voltage V_Ref is integrated into logic judgment module 102 to form a voltage judge module, and voltage
Judge module is coupled directly between battery module 106 and chip module 104.Furthermore the transistor switch that the present embodiment is painted
Species it is only exemplary illustrated, in addition, also adaptive modification primary voltage referrer module 100 is same by those of ordinary skill in the art
When produce multiple-group analysis voltage correspond to the battery module of different capacitances, and after the insertion electronic installation 10 of battery module 106,
Any one in judging the capacitance of battery module 106 for multiple-group analysis voltage by voltage judge module, and then corresponding output services
Magnitude of voltage come set the default operational voltage value of chip module 104 as single battery, double cell core concatenation, three battery strings
Connect or more than three batteries concatenation etc., also belong to scope of the invention.
In summary, the embodiment of the present invention provides judgment means and the side of a kind of battery module for being used for an electronic installation
Method, judgment means are interior to be provided with logic judgment module and judges the contained capacitance size of battery module for corresponding, with setting/weight
The default operational voltage value for the chip module that new settings battery module is coupled, and then avoid battery module that overvoltage will occur and protect
Shield or under-voltage protection the facts and can not normal operating, meanwhile, the present embodiment can also solve the system corresponding to electronic installation
Management bus is not yet established or System Management Bus has been shown as the situation of failure, and then improves the application of electronic installation.
Presently preferred embodiments of the present invention is the foregoing is only, all equivalent changes done according to the claims in the present invention are with repairing
Decorations, it should all belong to the covering scope of the present invention.
Claims (9)
1. a kind of judgment means for being used for a battery module, couple a chip module, the judgment means include：
One voltage reference block, for producing a comparison voltage；And
One logic judgment module, for receiving an input voltage of the battery module and the comparison voltage, and according to input electricity
Press with a comparative result of the comparison voltage to determine the type of the battery module, and then export an operating voltage to set the core
The default operational voltage value of the one of piece module,
Wherein the type of the battery module includes a pair of battery concatenation or one or three batteries concatenation,
Wherein the logic judgment module also includes：
One logic judgment unit, for receiving the input voltage and the comparison voltage, to judge a magnitude of voltage of the input voltage
Whether exceed the comparison voltage, and when the magnitude of voltage exceedes the comparison voltage, judge the type of the battery module for three electricity
Chi Xin is concatenated, and correspondingly exports the operational voltage value to set the default operational voltage value of the chip module.
2. judgment means as claimed in claim 1, the wherein logic judgment module also include：
One setup unit, when the logic judgment unit judges the magnitude of voltage not less than the comparison voltage, for resetting this
The default operational voltage value of chip module concatenates for the double cell core.
3. judgment means as claimed in claim 2, the wherein setup unit also control signal or a switch member using an insertion
The keying operation of part, it is corresponding to open a capacitor cell to produce a pulse signal, and then reset the chip module this is pre-
If operational voltage value concatenates for the double cell core.
4. a kind of determination methods for being used for a judgment means, the judgment means couple a battery module and a chip module, and this is sentenced
Disconnected method includes：
Produce a comparison voltage；And
Receive an input voltage of the battery module, and determined according to a comparative result of the input voltage and the comparison voltage
The type of the battery module, and then an operating voltage is exported to set the one of the chip module default operational voltage value,
Wherein the type of the battery module includes a pair of battery concatenation or one or three batteries concatenation,
This method is also included using a logic judgment unit to judge it is more electric whether a magnitude of voltage of the input voltage exceedes this
Pressure, and when the magnitude of voltage exceedes the comparison voltage, judge that the type of the battery module concatenates for three battery, and it is corresponding defeated
Go out the operational voltage value to set the default operational voltage value of the chip module.
5. determination methods as claimed in claim 4, it is also included when the logic judgment unit judges the magnitude of voltage not less than this
During comparison voltage, using a setup unit come to reset the default operational voltage value of the chip module be the double cell core string
Connect.
6. determination methods as claimed in claim 5, it also controls the keying of signal or switch element operation using an insertion,
It is corresponding to open a capacitor cell to produce a pulse signal, and then the default operational voltage value for resetting the chip module is
The double cell core concatenates.
7. a kind of electronic installation, comprising：
One voltage reference block, for producing a comparison voltage；
One battery module, for producing an input voltage；
One insertion controller, for producing insertion control signal；
One chip module, couple the battery module and the insertion controller；And
One logic judgment module, the chip module, the insertion controller and the battery module are coupled, for receiving input electricity
Pressure, the comparison voltage and the insertion control signal, and are determined according to a comparative result of the input voltage and the comparison voltage
The type of the battery module, and then an operating voltage is exported to set the one of the chip module default operational voltage value,
Wherein the type of the battery module includes a pair of battery concatenation or one or three batteries concatenation,
The logic judgment module also includes：
One logic judgment unit, for receiving the input voltage and the comparison voltage, to judge a magnitude of voltage of the input voltage
Whether exceed the comparison voltage, and when the magnitude of voltage exceedes the comparison voltage, judge the type of the battery module for three electricity
Chi Xin is concatenated, and correspondingly exports the operational voltage value to set the default operational voltage value of the chip module.
8. electronic installation as claimed in claim 7, the wherein logic judgment module also include：
One setup unit, when the logic judgment unit judges the magnitude of voltage not less than the comparison voltage, for resetting this
The default operational voltage value of chip module concatenates for the double cell core.
9. electronic installation as claimed in claim 8, the wherein setup unit also utilize insertion control signal or a switch member
The keying operation of part, it is corresponding to open a capacitor cell to produce a pulse signal, and then reset the chip module this is pre-
If operational voltage value concatenates for the double cell core.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW103130906A TWI567405B (en) | 2014-09-05 | 2014-09-05 | Determination apparatus, determination method and electronic apparatus system for battery module |
| TW103130906 | 2014-09-05 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105490318A CN105490318A (en) | 2016-04-13 |
| CN105490318B true CN105490318B (en) | 2018-03-16 |
Family
ID=55677133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410477543.2A Active CN105490318B (en) | 2014-09-05 | 2014-09-18 | Device and method for judging battery module and electronic device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105490318B (en) |
| TW (1) | TWI567405B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101976823A (en) * | 2010-10-15 | 2011-02-16 | 鸿富锦精密工业（深圳）有限公司 | Undervoltage protection circuit for battery |
| CN102346703A (en) * | 2010-08-03 | 2012-02-08 | 英业达股份有限公司 | Power supply test system for CPU (Central Processing Unit) |
| CN103208784A (en) * | 2012-01-17 | 2013-07-17 | 东莞赛微微电子股份有限公司 | Battery protection circuit and method thereof |
| TW201341827A (en) * | 2012-04-03 | 2013-10-16 | Hon Hai Prec Ind Co Ltd | Power detection circuit and electronic device using the same |
| CN103970247A (en) * | 2013-02-01 | 2014-08-06 | 技嘉科技股份有限公司 | Mainboard and power supply control method thereof |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI90929C (en) * | 1992-05-25 | 1994-04-11 | Nokia Mobile Phones Ltd | Connection to indicate battery temperature and type |
| US7352155B2 (en) * | 2006-06-12 | 2008-04-01 | O2Micro International Ltd. | Apparatus and method for detecting battery pack voltage |
| TWI354803B (en) * | 2007-12-31 | 2011-12-21 | High Tech Comp Corp | Battery module and method for determining a chargi |
| RU2010138844A (en) * | 2008-02-22 | 2012-03-27 | Эксесс Бизнес Груп Интернейшнл Ллс (Us) | INDUCTIVE POWER SUPPLY SYSTEM WITH REGISTRATION OF BATTERY TYPE |
| US8884626B2 (en) * | 2010-06-21 | 2014-11-11 | Apple Inc. | Device calibration for battery type identification |
-
2014
- 2014-09-05 TW TW103130906A patent/TWI567405B/en active
- 2014-09-18 CN CN201410477543.2A patent/CN105490318B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102346703A (en) * | 2010-08-03 | 2012-02-08 | 英业达股份有限公司 | Power supply test system for CPU (Central Processing Unit) |
| CN101976823A (en) * | 2010-10-15 | 2011-02-16 | 鸿富锦精密工业（深圳）有限公司 | Undervoltage protection circuit for battery |
| CN103208784A (en) * | 2012-01-17 | 2013-07-17 | 东莞赛微微电子股份有限公司 | Battery protection circuit and method thereof |
| TW201341827A (en) * | 2012-04-03 | 2013-10-16 | Hon Hai Prec Ind Co Ltd | Power detection circuit and electronic device using the same |
| CN103970247A (en) * | 2013-02-01 | 2014-08-06 | 技嘉科技股份有限公司 | Mainboard and power supply control method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI567405B (en) | 2017-01-21 |
| TW201610453A (en) | 2016-03-16 |
| CN105490318A (en) | 2016-04-13 |
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