CN106653442A - Backlight keyboard and electronic equipment - Google Patents
Backlight keyboard and electronic equipment Download PDFInfo
- Publication number
- CN106653442A CN106653442A CN201710085999.8A CN201710085999A CN106653442A CN 106653442 A CN106653442 A CN 106653442A CN 201710085999 A CN201710085999 A CN 201710085999A CN 106653442 A CN106653442 A CN 106653442A
- Authority
- CN
- China
- Prior art keywords
- light
- emitting component
- membrane layers
- backlight keyboard
- film membrane
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
- H01H13/702—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches
- H01H13/704—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches characterised by the layers, e.g. by their material or structure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
- H01H13/83—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard characterised by legends, e.g. Braille, liquid crystal displays, light emitting or optical elements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2219/00—Legends
- H01H2219/036—Light emitting elements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2219/00—Legends
- H01H2219/054—Optical elements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2227/00—Dimensions; Characteristics
- H01H2227/036—Minimise height
Abstract
The embodiment of the invention provides a backlight keyboard and electronic equipment. By means of a mode that each light-emitting component is arranged on a thin Membrane layer and a second circuit used for transmitting a control signal to each light-emitting component is arranged on the thin Membrane layer, a mode employing a flexible printed circuit (FPC) to transmit the control signal to each light-emitting component in the prior art is substituted, the cost of the backlight keyboard is reduced, and the thickness of the backlight keyboard is reduced. Since each light-emitting component is arranged on the thin Membrane layer, each light-emitting component is needed to be embedded into a light guide plate in order to achieve the backlight keyboard. With the backlight keyboard provided by the embodiment of the invention, through holes are ingeniously formed in a support plate, so that each light-emitting component is embedded into the light guide plate through the corresponding through hole.
Description
Technical field
The application is related to keyboard, more particularly relates to backlight keyboard and electronic equipment.
Background technology
It is luminous that backlight keyboard is mainly reflected in keyboard or panel, can also can be clear in the case where night does not turn on light
Button letter is seen by Chu, quite facilitates for the personnel of affairs are processed at night, and keyboard appearance is very attractive in appearance.
At present, backlight keyboard includes：Thin plate Membrane layers, iron plate, light guide plate, reflector, light-emitting component and FPC
(Flexible Printed Circuit, flexible PCB), FPC is attached to the side of light guide plate, and light-emitting component is mounted on FPC
Inner side so that backlight keyboard is thicker, and relatively costly due to FPC, causes the relatively costly of backlight keyboard.
The content of the invention
In view of this, the invention provides a kind of backlight keyboard and electronic equipment, to overcome prior art in backlight keyboard
Thicker and relatively costly problem.
For achieving the above object, the present invention provides following technical scheme：
A kind of backlight keyboard, includes successively：Film Membrane layers, gripper shoe and light guide plate；
Wherein, multiple light-emitting components are provided with the film Membrane layers；
The film Membrane layers are disposed with：Corresponding signal is produced when being pressed for the button in backlight keyboard
First line, and, for the second circuit of each light-emitting component transmission of control signals, the control signal to be used to control
Each light-emitting component is turned on or off；
The gripper shoe is provided with through hole, and each light-emitting component is embedded in the light guide plate by corresponding through hole.
Wherein, the first line of the film Membrane layers has the first leading-out terminal, and first leading-out terminal is used
It is connected in the first connectivity port with system end；Second circuit have the second leading-out terminal, second leading-out terminal be used for
Second connectivity port of the system end is connected, and the system end receives the first line and produces by first connectivity port
Raw signal；The system end sends the control signal by second connectivity port to each light-emitting component.
Wherein, the first line and second circuit have common leading-out terminal；The common leading-out terminal is used for and is
The connectivity port at system end is connected, and the system end sends the control letter by the connectivity port to each light-emitting component
Number；And the signal that the reception first line is produced.
Wherein, the first line is the circuit of silver wire composition, and/or, second circuit is the circuit of silver wire composition.
Wherein, the gripper shoe is iron plate.
Wherein, it is provided with multiple light-emitting components on the film Membrane layers to be specially：
Each light-emitting component is arranged on the bottom of the film Membrane layers, the film Membrane layers with it is described
The relative one side of gripper shoe is the bottom of the film Membrane layers.
Wherein, each light-emitting component is 360 ° of light emitting LED lamps.
A kind of electronic equipment, including：
Backlight keyboard, the backlight keyboard includes successively：Film Membrane layers, gripper shoe and light guide plate；
Wherein, multiple light-emitting components are provided with the film Membrane layers；
The film Membrane layers are disposed with：Corresponding signal is produced when being pressed for the button in backlight keyboard
First line, and, for the second circuit of each light-emitting component transmission of control signals, the control signal to be used to control
Each light-emitting component is turned on or off；
The gripper shoe is provided with through hole, and each light-emitting component is embedded in the light guide plate by corresponding through hole.
Understand via above-mentioned technical scheme, compared with prior art, embodiments provide a kind of backlight keyboard,
Each light-emitting component " is arranged on film Membrane layers, and is arranged for each luminous unit in film Membrane layers by utilization
The mode of the second circuit of part transmission of control signals ", replaces in prior art using FPC to each light-emitting component transmission of control signals
Mode, reduce the cost of backlight keyboard, and the thickness of backlight keyboard is reduced.Because each light-emitting component is arranged on film
On Membrane layers, in order to realize backlight keyboard, it is required that each light-emitting component is embedded in light guide plate, the present invention is implemented
Example cleverly arranges on the supporting plate through hole, so that each light-emitting component is embedded in light guide plate by corresponding through hole.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Inventive embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, can be with basis
The accompanying drawing of offer obtains other accompanying drawings.
Fig. 1 is a kind of internal structure schematic diagram of backlight keyboard provided in an embodiment of the present invention；
Fig. 2 is a kind of structural representation of film Membrane layers provided in an embodiment of the present invention；
Fig. 3 is the structural representation of another film Membrane layers provided in an embodiment of the present invention；
Fig. 4 is a kind of structural representation of computer backlight keyboard provided in an embodiment of the present invention；
Fig. 5 is details enlarged diagram at the A of backlight keyboard shown in Fig. 4 provided in an embodiment of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
As shown in figure 1, for a kind of internal structure schematic diagram of backlight keyboard provided in an embodiment of the present invention, the backlight keyboard
Include successively：Film Membrane layers 11, gripper shoe 12 and light guide plate 13.
Wherein, multiple light-emitting components 14 are provided with film Membrane layers 11.
Film Membrane layers 11 are disposed with：The of corresponding signal is produced when being pressed for the button in backlight keyboard
One circuit, and, for the second circuit of each light-emitting component transmission of control signals, the control signal to be used to control respectively
The light-emitting component is turned on or off.
The first line in film Membrane layers 11 is illustrated by taking the keyboard in computer as an example, when user presses
When alphabetical " a ", first line will produce signal corresponding with alphabetical " a ".That is first line is for realizing backlight keyboard
The circuit of function.
Gripper shoe 12 is provided with through hole 121, and each light-emitting component 14 is embedded in light guide plate 13 by corresponding through hole 121.It is luminous
When element 14 lights, light source is propagated in light guide plate 13, from the backlight function for realizing keyboard.
The whole framework of gripper shoe 12 pairs plays fixed and supporting role.Optionally, gripper shoe 12 can be iron plate.
Two light-emitting components 14 are illustrate only in Fig. 1, in actual applications, can be according to actual conditions in film
The position of light-emitting component 14, and the number for needing are set in Membrane layers 11, and the embodiment of the present invention is not limited to this,
The number that light-emitting component 14 is for example arranged in film Membrane layers 11 can be 2,3 ..., etc..
Gripper shoe 12 is at least provided with logical with the number identical of the light-emitting component 14 of setting on film Membrane layers 11
Hole 121, as shown in phantom in Figure 1, the light-emitting component 14 and through hole 121 of dotted line connection are exactly corresponding, i.e. light-emitting component 14
Light guide plate 13 is embedded in by corresponding through hole 121.
The film Membrane layers 11, gripper shoe 12 illustrated in Fig. 1 and the shape of light guide plate 13, are with the key of computer
As a example by disk, backlight keyboard provided in an embodiment of the present invention can apply to the various electronic equipments with keyboard, such as mobile phone,
PDA (Personal Digital Assistant, palm PC), personal computer etc..
The shape of the corresponding film Membrane layers 11 of different electronic equipments, gripper shoe 12 and light guide plate 13 may be with
It is different shown in Fig. 1, can be according to actual conditions depending on, the embodiment of the present invention is not defined to this.
Backlight keyboard can also successively include including reflector, i.e. backlight：Film Membrane layers 11, gripper shoe 12,
Light guide plate 13 and reflector.
A kind of backlight keyboard is embodiments provided, each light-emitting component " is arranged on film Membrane layers by utilization
On, and arrange for the second circuit of each light-emitting component transmission of control signals in film Membrane layers " mode, replace existing
Have in technology using modes of the FPC to each light-emitting component transmission of control signals, reduce the cost of backlight keyboard, and cause backlight
The thickness of keyboard reduces, and eliminates the number of assembling steps of FPC, eliminates the uncertain factor that hand assembled is brought.Due to each
Optical element is arranged on film Membrane layers, in order to realize backlight keyboard, it is required that each light-emitting component is embedded in and leads
In tabula rasa, so need to arrange through hole on the supporting plate, so that each light-emitting component is embedded in light guide plate by corresponding through hole.
It is understood that the first line in film Membrane layers 11 needs the signal for being produced to send to system
End, so that system end judges which button user presses according to the signal.System end needs to be sent to the second circuit and controls
Signal, to control each light-emitting component conducting (bright) or to disconnect (going out).
By taking computer as an example, then system end is main frame.It is main beyond input-output equipment that main frame refers to that computer is removed
Body part.It is also the control casing (container Mainframe) for placing mainboard and other critical pieces.Generally include CPU
(Central Processing Unit, central processing unit), internal memory, hard disk, CD-ROM drive, power supply and other input and output controls
Device and interface.
First line has the first leading-out terminal, and the first leading-out terminal is used to be connected with the first connectivity port of system end；Second
Circuit has the second leading-out terminal, and the second leading-out terminal is used to be connected with the second connectivity port of system end.System end connects by first
Connect port and receive the signal that first line is produced；System end sends control signal by the second connectivity port to each light-emitting component.
As shown in Fig. 2 for a kind of structural representation of film Membrane layers provided in an embodiment of the present invention.
The first leading-out terminal is disposed with first jag 110 of film Membrane layers 11；Film Membrane layers 11
The second leading-out terminal is disposed with second jag 111.
First line and the second circuit can have common leading-out terminal, and such system end can save a connectivity port,
And because film Membrane layers 11 of the prior art just possess the jag of an arrangement leading-out terminal, so, just save PCBA
The cloth board space of (Printed Circuit Board+Assembly).
Specifically, first line and the second circuit have common leading-out terminal, as shown in figure 3, providing for the embodiment of the present invention
Another film Membrane layers structural representation；Common leading-out terminal is used to be connected with the connectivity port of system end, system end
Control signal is sent to light-emitting component by connectivity port；And the signal that reception first line is produced.
Common leading-out terminal refers to that the common jag 113 shown in Fig. 3 is disposed with first leading-out terminal and second of first line
Second leading-out terminal of circuit.
Fig. 2 and the position of the leading-out terminal shown in Fig. 3 can be different according to actual conditions and different, by taking computer as an example,
If main frame includes CD-ROM drive, being disposed with the jag of the second leading-out terminal can be arranged in the left side of film Membrane layers；If main
Machine does not include CD-ROM drive, then being disposed with the jag of the second leading-out terminal can be arranged in the right side of film Membrane layers.
Preferably, first line is the circuit of silver wire composition, and/or, the second circuit is the circuit of silver wire composition.Now,
When light-emitting component 14 is arranged on film Membrane layers, the technique that Membrane silver paste printed wires can be adopted.
Backlight keyboard as shown in Figure 1, in order to allow each light-emitting component being arranged on film Membrane layers with most short
Path is embedded in light guide plate by the through hole in gripper shoe, it is preferred that each light-emitting component is arranged on the film
The bottom of Membrane layers, the film Membrane layers one side relative with the gripper shoe is the film Membrane layers
Bottom.
In order to reduce the number of each light-emitting component being arranged on film Membrane layers, it is preferred that light-emitting component is
360 ° of light emitting LED lamps.
The embodiment of the present invention additionally provides a kind of electronic equipment, and the electronic equipment includes backlight keyboard, the backlight keyboard
Include successively：Film Membrane layers, gripper shoe and light guide plate；
Wherein, multiple light-emitting components are provided with the film Membrane layers；
The film Membrane layers are disposed with：Corresponding signal is produced when being pressed for the button in backlight keyboard
First line, and, for the second circuit of each light-emitting component transmission of control signals, the control signal to be used to control
Each light-emitting component is turned on or off；
The gripper shoe is provided with through hole, and each light-emitting component is embedded in the light guide plate by corresponding through hole.
Still by taking computer as an example, then the structure of the backlight keyboard of the electronic equipment is as shown in Figure 4.
Film Membrane layers have two jags in Fig. 4.
In backlight keyboard in a computer, the cabling and welding manner of corresponding second circuit of light-emitting component 14 can be with
The technique of capital and small letter indication LED lamp is identical in backlight keyboard, will not be described here.
As shown in figure 5, details enlarged diagram at the A of backlight keyboard shown in Fig. 4 provided in an embodiment of the present invention.
Fig. 5 from top to bottom (is indicated up and down) in Fig. 4 to be included successively：Film Membrane layers 11, gripper shoe 12, light guide plate
13 and reflector 51, wherein, light-emitting component 14 is arranged on the bottom of film Membrane layers 11, by gripper shoe 12 in it is logical
Hole, in being embedded in light guide plate 13, therefore, the position of light-emitting component 14 is as shown in figure 5, be related to 3 layers.
Finally, in addition it is also necessary to explanation, herein, such as first and second or the like relational terms be used merely to by
One entity or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or operation
Between there is any this actual relation or order.And, term " including ", "comprising" or its any other variant meaning
Covering including for nonexcludability, so that a series of process, method, article or equipment including key elements not only includes that
A little key elements, but also including other key elements being not expressly set out, or also include for this process, method, article or
The intrinsic key element of equipment.In the absence of more restrictions, the key element for being limited by sentence "including a ...", does not arrange
Except also there is other identical element in including the process of the key element, method, article or equipment.
Each embodiment is described by the way of progressive in this specification, and what each embodiment was stressed is and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or uses the application.
Various modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can in other embodiments be realized in the case of without departing from spirit herein or scope.Therefore, the application
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope for causing.
Claims (8)
1. a kind of backlight keyboard, it is characterised in that include successively：Film Membrane layers, gripper shoe and light guide plate；
Wherein, multiple light-emitting components are provided with the film Membrane layers；
The film Membrane layers are disposed with：The first of corresponding signal is produced when being pressed for the button in backlight keyboard
Circuit, and, for the second circuit of each light-emitting component transmission of control signals, the control signal to be used to control each institute
State light-emitting component to be turned on or off；
The gripper shoe is provided with through hole, and each light-emitting component is embedded in the light guide plate by corresponding through hole.
2. backlight keyboard according to claim 1, it is characterised in that the first line tool of the film Membrane layers
There is the first leading-out terminal, first leading-out terminal is used to be connected with the first connectivity port of system end；Second circuit has the
Two leading-out terminals, second leading-out terminal is used to be connected with the second connectivity port of the system end, and the system end is by described
First connectivity port receives the signal that the first line is produced；The system end is by second connectivity port to each described
Light-emitting component sends the control signal.
3. backlight keyboard according to claim 1, it is characterised in that the first line and second circuit have common
Leading-out terminal；The common leading-out terminal be used for be connected with the connectivity port of system end, the system end pass through the connectivity port to
Each light-emitting component sends the control signal；And the signal that the reception first line is produced.
4., according to the arbitrary backlight keyboard of claims 1 to 3, the first line is the circuit of silver wire composition, and/or, institute
State the circuit that the second circuit is silver wire composition.
5., according to the arbitrary backlight keyboard of claims 1 to 3, the gripper shoe is iron plate.
6. backlight keyboard according to claim 1, it is characterised in that be provided with the film Membrane layers multiple luminous
Element is specially：
Each light-emitting component is arranged on the bottom of the film Membrane layers, the film Membrane layers and the support
The relative one side of plate is the bottom of the film Membrane layers.
7. backlight keyboard according to claim 1, it is characterised in that each light-emitting component is 360 ° of light emitting LED lamps.
8. a kind of electronic equipment, it is characterised in that include：
Backlight keyboard, the backlight keyboard includes successively：Film Membrane layers, gripper shoe and light guide plate；
Wherein, multiple light-emitting components are provided with the film Membrane layers；
The film Membrane layers are disposed with：The first of corresponding signal is produced when being pressed for the button in backlight keyboard
Circuit, and, for the second circuit of each light-emitting component transmission of control signals, the control signal to be used to control each institute
State light-emitting component to be turned on or off；
The gripper shoe is provided with through hole, and each light-emitting component is embedded in the light guide plate by corresponding through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710085999.8A CN106653442A (en) | 2017-02-17 | 2017-02-17 | Backlight keyboard and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710085999.8A CN106653442A (en) | 2017-02-17 | 2017-02-17 | Backlight keyboard and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106653442A true CN106653442A (en) | 2017-05-10 |
Family
ID=58844962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710085999.8A Pending CN106653442A (en) | 2017-02-17 | 2017-02-17 | Backlight keyboard and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106653442A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109741985A (en) * | 2018-09-14 | 2019-05-10 | 苏州达方电子有限公司 | Illuminated keyboard and its light source lamp plate |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200417904A (en) * | 2003-03-04 | 2004-09-16 | Darfon Electronics Corp | Keyboard structure |
| US7086768B2 (en) * | 2003-06-20 | 2006-08-08 | Matsushita Electric Industrial Co., Ltd. | Illumination device and illuminated input device |
| US20100128427A1 (en) * | 2008-11-27 | 2010-05-27 | Kageyuki Iso | Keyboard, Lighting Module for Keyboard and Electronic Apparatus |
| TW201216309A (en) * | 2010-10-01 | 2012-04-16 | Primax Electronics Ltd | Illuminating keyboard |
| CN103247461A (en) * | 2012-02-02 | 2013-08-14 | 阿尔卑斯电气株式会社 | Membrane switch unit and keyboard device including the membrane switch unit |
| TW201503195A (en) * | 2013-07-12 | 2015-01-16 | Primax Electronics Ltd | Illumanating keyboard |
| US20150109757A1 (en) * | 2013-10-18 | 2015-04-23 | Primax Electronics Ltd. | Luminous keyboard device |
-
2017
- 2017-02-17 CN CN201710085999.8A patent/CN106653442A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200417904A (en) * | 2003-03-04 | 2004-09-16 | Darfon Electronics Corp | Keyboard structure |
| US7086768B2 (en) * | 2003-06-20 | 2006-08-08 | Matsushita Electric Industrial Co., Ltd. | Illumination device and illuminated input device |
| US20100128427A1 (en) * | 2008-11-27 | 2010-05-27 | Kageyuki Iso | Keyboard, Lighting Module for Keyboard and Electronic Apparatus |
| TW201216309A (en) * | 2010-10-01 | 2012-04-16 | Primax Electronics Ltd | Illuminating keyboard |
| CN103247461A (en) * | 2012-02-02 | 2013-08-14 | 阿尔卑斯电气株式会社 | Membrane switch unit and keyboard device including the membrane switch unit |
| TW201503195A (en) * | 2013-07-12 | 2015-01-16 | Primax Electronics Ltd | Illumanating keyboard |
| US20150109757A1 (en) * | 2013-10-18 | 2015-04-23 | Primax Electronics Ltd. | Luminous keyboard device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109741985A (en) * | 2018-09-14 | 2019-05-10 | 苏州达方电子有限公司 | Illuminated keyboard and its light source lamp plate |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170510 |
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