CN105744759B - The short circuit method of power supply adaptor and its first pin and second pin - Google Patents
The short circuit method of power supply adaptor and its first pin and second pin Download PDFInfo
- Publication number
- CN105744759B CN105744759B CN201610153249.5A CN201610153249A CN105744759B CN 105744759 B CN105744759 B CN 105744759B CN 201610153249 A CN201610153249 A CN 201610153249A CN 105744759 B CN105744759 B CN 105744759B
- Authority
- CN
- China
- Prior art keywords
- pin
- power supply
- supply adaptor
- short circuit
- usb
- 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.)
- Expired - Fee Related
Links
- 238000000034 method Methods 0.000 title claims abstract description 21
- 239000004020 conductor Substances 0.000 claims abstract description 20
- 239000002184 metal Substances 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 5
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 1
- 239000010931 gold Substances 0.000 claims 1
- 229910052737 gold Inorganic materials 0.000 claims 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 10
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 8
- 239000011889 copper foil Substances 0.000 description 8
- 230000008569 process Effects 0.000 description 6
- RVCKCEDKBVEEHL-UHFFFAOYSA-N 2,3,4,5,6-pentachlorobenzyl alcohol Chemical compound OCC1=C(Cl)C(Cl)=C(Cl)C(Cl)=C1Cl RVCKCEDKBVEEHL-UHFFFAOYSA-N 0.000 description 5
- 238000003466 welding Methods 0.000 description 4
- 230000006978 adaptation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
- H05K3/32—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/70—Coupling devices
- H01R12/7076—Coupling devices for connection between PCB and component, e.g. display
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/70—Coupling devices
- H01R12/7082—Coupling device supported only by cooperation with PCB
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
Abstract
The present invention is suitable for power supply adaptor technical field, discloses a kind of short circuit method of power supply adaptor and its first pin and second pin.Power supply adaptor includes shell and circuit board, circuit board has first pin and second pin of the specified impedance no more than 200 ohm in USB charge protocol, first pin is the DATA+ pin in usb protocol specification, second pin is the DATA- pin in usb protocol specification, it is connected between first pin and second pin for by the first pin and second pin short circuit and the non-short circuit portion for fitting in circuit board, short circuit portion to be integrally connected to the first pin and second pin；Alternatively, short circuit portion is the metallic conductor for bridging at the first pin and second pin.The short circuit method of power supply adaptor provided by the present invention and its first pin and second pin, by the way that directly the first pin and second pin are shorted in USB socket or plug end, miniaturization that is at low cost and being conducive to product.
Description
Technical field
The invention belongs to power supply adaptor technical field more particularly to a kind of power supply adaptors and its first pin and second
The short circuit method of pin.
Background technique
The power supply adaptor (charger) for being capable of providing 1.5A or more charging current at present takes USB BC1.2 charging association
Dedicated charging port (DCP) charges to device end in view, and the power supply adaptor or charger of this charge type need
D+ and D- line is shorted and (provides that the maximum impedance of D+D- between the two is 200ohm in USB in BC1.2 agreement), it is general at present
Time way be to carry out paving copper foil on the PCB of power supply adaptor and charger to be shorted to meet USB BC1.2 agreement, it is existing
There is this scheme in technology, increases PCB processing and process difficulty, such as: PCB needs to increase by least two drillings；And increase
Add PCBA cost, such as: D+ and D- pin needs scolding tin to weld, increase tin amount；In addition, having, PCB is etched or copper foil PAD is disconnected
The risk split etc. and D+ and D- is caused not to be shorted, causes bad, after D+ and D- pin is shorted by copper foil, causes not walking herein
Route is difficult to accomplish to minimize.
Summary of the invention
It is an object of the invention to overcome above-mentioned the deficiencies in the prior art, provides a kind of power supply adaptor and its first draw
The short circuit method of foot and second pin, miniaturization that is at low cost and being conducive to product.
The technical scheme is that a kind of power supply adaptor, including shell and it is set to the intracorporal circuit board of the shell,
First pin and second pin of the circuit board with specified impedance in USB charge protocol no more than 200 ohm, described first
It is connected between pin and second pin for being shorted first pin and second pin and non-fitting in the circuit board
Short circuit portion, the short circuit portion is integrally connected to first pin and second pin；Alternatively, the short circuit portion is bridges at
State the metallic conductor of the first pin and second pin.
Optionally, location arrangements of the circuit board between the first pin and second pin have conducting wire.
Optionally, one end of the metallic conductor is connected to first pin, and the other end of the metallic conductor abuts
In the second pin.
Optionally, the metallic conductor is in arch bridge shape, alternatively, the metallic conductor includes for connecing with first pin
The first longitudinal direction portion of touching and the second longitudinal direction portion for contacting with the second pin and it is integrally connected to the first longitudinal direction
The lateral connection portion in portion and second longitudinal direction portion.
Optionally, the power supply adaptor includes USB socket or USB plug, and the short circuit portion is set to the USB socket
Or in USB plug.
Optionally, the short circuit portion is positioned in the shell by location structure.
Optionally, the location structure is the clamping piece that card slot or relative spacing are arranged.
Optionally, the short circuit portion is metal clips.
The present invention also provides the short circuit methods of the first pin in a kind of power supply adaptor and second pin, in power adaptation
The non-short circuit portion for fitting in circuit board of setting in the shell of device makes the shorted section is not connected on the circuit first to draw
Foot and second pin and be shorted the first pin and second pin.
Optionally, location arrangements of the circuit board between the first pin and second pin have conducting wire.
The short circuit method of power supply adaptor provided by the present invention and its first pin and second pin, by being inserted in USB
Seat or plug end directly the first pin and second pin are shorted, can by with the first pin and second pin one at
Type or the direct bridging method of the two pins realize and are shorted that the mode of short circuit can be outside USB socket or in USB socket
Portion.To be become dedicated charging port (DCP) in USB BC1.2 charge protocol.This USB port directly applies to 1.5A
In the power supply adaptor or charger of charging current, conducting wire can pass through the first pin (D+ pin) and second pin (D-
Pin) between arrange, realize reduce PCB processing and process difficulty, the upper position that can directly leave a blank PCB, do not need drill,
PCBA cost is reduced, pin does not need scolding tin welding, reduces tin amount, causes there is no having PCB etching or copper foil PAD fracture etc.
The risk that D+ and D- are not shorted, can also increase PCB layout space, D+ and D- pin original Pin locations can walk route, be conducive to
Realize the miniaturization of product.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to needed in the embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is the floor map of circuit board in power supply adaptor provided in an embodiment of the present invention；
Fig. 2 is the floor map of circuit board in power supply adaptor provided in an embodiment of the present invention.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
It should be noted that it can be directly another when element is referred to as " being fixed on " or " being set to " another element
On one element or it may be simultaneously present centering elements.When an element is known as " being connected to " another element, it can
To be directly to another element or may be simultaneously present centering elements.
It is only relative concept each other it should also be noted that, the positional terms such as left and right, upper and lower in the embodiment of the present invention
It or is to refer to, and should not be regarded as restrictive with the normal operating condition of product.
As shown in Figure 1, a kind of power supply adaptor (charger) provided in an embodiment of the present invention, including shell and it is set to institute
The intracorporal circuit board 100 of shell is stated, the circuit board 100 has first of specified impedance no more than 200 ohm in USB charge protocol
Pin 1 (D+ pin) and second pin 2 (D- pin), the first pin are that (D+ draws for DATA+ pin in usb protocol specification
Foot), second pin is the DATA- pin (D- pin) in usb protocol specification, and power supply adaptor is at least one or at least
Two USB interfaces.It is connected with and is used for first pin 1 and second pin 2 between first pin 1 and second pin 2
Short circuit and the non-short circuit portion for fitting in the circuit board 100, it should be noted that " non-fitting " in the present invention refers to short circuit portion
Circuit board 100 is affixed on not by copper foil layer, and in concrete application, short circuit portion can also be affixed by insulating layer and circuit board 100.
Provide that D+ pin and D- pin maximum impedance between the two are 200ohm in USB in BC1.2 agreement, by by the first pin 1
(D+ pin) and second pin 2 (D- pin) are shorted, and are become dedicated charging port (DCP) in USB BC1.2 charge protocol,
This USB port may be directly applied in the power supply adaptor or charger of 1.5A charging current.The short circuit portion integrally connects
It is connected to first pin 1 and second pin 2；Alternatively, the short circuit portion is to bridge at first pin 1 and second pin 2
Metallic conductor.Since short circuit portion is not mounted directly on circuit board 100, therefore the first pin 1 (D+ pin) and second pin 2
Conducting wire can be designed between (D- pin), i.e. conducting wire can pass through the first pin 1 (D+ pin) and second pin 2
It arranges between (D- pin), realizes and reduce PCB processing and process difficulty, the upper position that can directly leave a blank PCB does not need to bore
Hole, reduce PCBA cost, pin do not need scolding tin welding, reduce tin amount, there is no have PCB etch or copper foil PAD fracture etc. and
The risk for causing D+ and D- not to be shorted can also increase PCB layout space, D+ and D- pin original Pin locations can walk route,
Conducive to the miniaturization for realizing product.
It should be noted that the first pin 1 (D+ pin) and second pin 2 (D- pin) correspond in usb protocol
DATA+ and DATA-, the two interfaces actually can also be used as what data transmission used, such as: the USB interface of computer, DATA
+ and DATA- two-port do not have to be shorted, otherwise will be unable to transmit data.It is suitable in specific power supply in the embodiment of the present invention
In the products such as orchestration or charger, DATA+ and DATA- is shorted (or its impedance is made to be not more than 200ohm).
In concrete application, location arrangements of the circuit board 100 between the first pin 1 and second pin 2 have conductor wire
Road (not shown).
In concrete application, one end of the metallic conductor can be connected to first pin 1, the metallic conductor it is another
One end can be connected to the second pin 2, and turn-on effect is good, and Product Assembly process is simple and easy.As shown in Figure 2, scheme
In be at 2 short circuits of the first pin 1 and second pin shown in 200.
Specifically, the metallic conductor be in arch bridge shape, alternatively, the metallic conductor include for first pin 1
The first longitudinal direction portion of contact and second longitudinal direction portion for being contacted with the second pin 2 and to be integrally connected to described first vertical
To the lateral connection portion in portion and second longitudinal direction portion.In concrete application, metallic conductor can be in other suitable shapes.Metallic conductor
It may be configured as arcuate structure with the first pin 1 (D+ pin) of circuit board 100 and the contact position of second pin 2 (D- pin).
Specifically, the power supply adaptor includes USB socket or USB plug, and the short circuit portion can be set in the USB
The suitable place such as in socket or USB plug.
In concrete application, the short circuit portion can be positioned in the shell by location structure, and location structure can be consolidated
Determine short circuit portion, short circuit portion is avoided to loosen, convenient for assembly and structural reliability height.
In concrete application, the clamping piece etc. that the location structure can be arranged for card slot or relative spacing, structure is simple
Reliably, it is of course also possible to be fixed short circuit portion by modes such as bonding screw lockings.
In concrete application, the short circuit portion can be the conduct pieces such as metal clips.
The embodiment of the invention also provides the short circuit methods of the first pin in a kind of power supply adaptor and second pin: in electricity
The non-short circuit portion for fitting in circuit board 100 of setting, makes the shorted section not be connected to the circuit in the shell of source adapter
On the first pin 1 and second pin 2 and be shorted the first pin 1 and second pin 2, i.e., described first pin 1 and second draws
It is connected between foot 2 for first pin 1 and second pin 2 to be shorted and the non-short circuit for fitting in the circuit board 100
Portion, the maximum impedance of regulation D+ pin and D- pin between the two is 200ohm in BC1.2 agreement in USB, by drawing first
Foot 1 (D+ pin) and second pin 2 (D- pin) are shorted, and are become dedicated charging port in USB BC1.2 charge protocol
(DCP), this USB port may be directly applied in the power supply adaptor or charger of 1.5A charging current.The short circuit portion
It is integrally connected to first pin 1 and second pin 2；Alternatively, the short circuit portion is to bridge at first pin 1 and second
The metallic conductor of pin 2.Since short circuit portion is not mounted directly on circuit board 100, therefore the first pin 1 (D+ pin) and second draws
Conducting wire can be designed between foot 2 (D- pin), i.e. conducting wire can pass through the first pin 1 (D+ pin) and second and draw
It arranges between foot 2 (D- pin), realizes and reduce PCB processing and process difficulty, the upper position that can directly leave a blank PCB is not required to
It drills, reduce PCBA cost, pin does not need scolding tin welding, and reduction tin amount, PCB is etched or copper foil PAD is broken there is no having
Deng and the risk that causes D+ and D- not to be shorted, PCB layout space can also be increased, D+ and D- pin original Pin locations can be with cabling
Road, conducive to the miniaturization for realizing product.
Specifically, location arrangements of the circuit board 100 between the first pin 1 and second pin 2 have conducting wire.
The short circuit method of power supply adaptor provided by the embodiment of the present invention and its first pin 1 and second pin 2, passes through
Directly D+ and D- two pins are shorted in USB socket or plug end, can be integrally formed by D+ and two metal pins of D-
Or the direct bridging method of two metal pins realizes and is shorted that the mode of short circuit can be outside USB socket or in USB socket
Portion.To be become dedicated charging port (DCP) in USB BC1.2 charge protocol.This USB port directly applies to 1.5A
In the power supply adaptor or charger of charging current, conducting wire can pass through the first pin 1 (D+ pin) and second pin 2
It arranges between (D- pin), realizes and reduce PCB processing and process difficulty, the upper position that can directly leave a blank PCB does not need to bore
Hole, reduce PCBA cost, pin do not need scolding tin welding, reduce tin amount, there is no have PCB etch or copper foil PAD fracture etc. and
The risk for causing D+ and D- not to be shorted can also increase PCB layout space, D+ and D- pin original Pin locations can walk route,
Conducive to the miniaturization for realizing product.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modification, equivalent replacement or improvement etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (10)
1. a kind of power supply adaptor, including shell charge with the intracorporal circuit board of the shell, the circuit board is set to USB
First pin and second pin of the specified impedance no more than 200 ohm in agreement, which is characterized in that first pin and second
It is connected between pin for first pin and second pin to be shorted and the non-short circuit portion for fitting in the circuit board, institute
It states short circuit portion and is integrally connected to first pin and second pin；Alternatively, the short circuit portion is to bridge at first pin
With the metallic conductor of second pin；First pin is the DATA+ pin in usb protocol specification, and second pin is usb protocol
DATA- pin in specification, first pin and second pin 2 are shorted into dedicated charging end in USB BC1.2 charge protocol
Mouthful.
2. power supply adaptor as described in claim 1, which is characterized in that the circuit board in the first pin and second pin it
Between location arrangements have conducting wire.
3. power supply adaptor as described in claim 1, which is characterized in that one end of the metallic conductor is connected to described first
Pin, the other end of the metallic conductor are connected to the second pin.
4. power supply adaptor as described in claim 1, which is characterized in that the metallic conductor is in arch bridge shape, alternatively, the gold
Belonging to conductor includes that the first longitudinal direction portion for contacting with first pin and second for contacting with the second pin are vertical
To portion and it is integrally connected to the lateral connection portion in the first longitudinal direction portion and second longitudinal direction portion.
5. power supply adaptor as described in claim 1, which is characterized in that the power supply adaptor includes that USB socket or USB are inserted
Head, the short circuit portion are set in the USB socket or USB plug.
6. power supply adaptor as described in claim 1, which is characterized in that the short circuit portion is positioned at described by location structure
In shell.
7. power supply adaptor as claimed in claim 6, which is characterized in that the location structure is that card slot or relative spacing are arranged
Clamping piece.
8. power supply adaptor as described in claim 1, which is characterized in that the short circuit portion is metal clips.
9. a kind of short circuit method of the first pin and second pin in power supply adaptor, which is characterized in that in power supply adaptor
The non-short circuit portion for fitting in circuit board of setting in shell, the first pin for being connected to the shorted section not on the circuit and
Second pin and be shorted the first pin and second pin, the first pin is the DATA+ pin in usb protocol specification, second
Pin is the DATA- pin in usb protocol specification, and first pin and second pin are shorted to charge at USB BC1.2 and assist
Dedicated charging port in view.
10. being shorted method as claimed in claim 9, which is characterized in that the circuit board in the first pin and second pin it
Between location arrangements have conducting wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610153249.5A CN105744759B (en) | 2016-03-17 | 2016-03-17 | The short circuit method of power supply adaptor and its first pin and second pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610153249.5A CN105744759B (en) | 2016-03-17 | 2016-03-17 | The short circuit method of power supply adaptor and its first pin and second pin |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105744759A CN105744759A (en) | 2016-07-06 |
| CN105744759B true CN105744759B (en) | 2018-12-21 |
Family
ID=56250808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610153249.5A Expired - Fee Related CN105744759B (en) | 2016-03-17 | 2016-03-17 | The short circuit method of power supply adaptor and its first pin and second pin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105744759B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101145662A (en) * | 2007-08-21 | 2008-03-19 | 上海三意楼宇实业有限公司 | A short plug structure for PCB |
| CN101840455A (en) * | 2010-04-23 | 2010-09-22 | 汕头超声显示器（二厂）有限公司 | Design method of TFT active array peripheral circuit |
| CN103323733A (en) * | 2013-06-25 | 2013-09-25 | 北京铁路信号有限公司 | Detecting device for electrical performance of D interface cable |
| CN103441389A (en) * | 2013-08-09 | 2013-12-11 | 新疆奎开电气有限公司 | Wiring terminal of low-voltage power distribution system |
| CN204360095U (en) * | 2015-01-30 | 2015-05-27 | 矽卓光电技术（天津）有限公司 | 8 high reliability CTP light source module in passageway |
-
2016
- 2016-03-17 CN CN201610153249.5A patent/CN105744759B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101145662A (en) * | 2007-08-21 | 2008-03-19 | 上海三意楼宇实业有限公司 | A short plug structure for PCB |
| CN101840455A (en) * | 2010-04-23 | 2010-09-22 | 汕头超声显示器（二厂）有限公司 | Design method of TFT active array peripheral circuit |
| CN103323733A (en) * | 2013-06-25 | 2013-09-25 | 北京铁路信号有限公司 | Detecting device for electrical performance of D interface cable |
| CN103441389A (en) * | 2013-08-09 | 2013-12-11 | 新疆奎开电气有限公司 | Wiring terminal of low-voltage power distribution system |
| CN204360095U (en) * | 2015-01-30 | 2015-05-27 | 矽卓光电技术（天津）有限公司 | 8 high reliability CTP light source module in passageway |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105744759A (en) | 2016-07-06 |
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Granted publication date: 20181221 |