CN106502323A - The display device of dummy keyboard can be superimposed - Google Patents
The display device of dummy keyboard can be superimposed Download PDFInfo
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- CN106502323A CN106502323A CN201610912829.8A CN201610912829A CN106502323A CN 106502323 A CN106502323 A CN 106502323A CN 201610912829 A CN201610912829 A CN 201610912829A CN 106502323 A CN106502323 A CN 106502323A
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- Prior art keywords
- keyboard
- display device
- dummy keyboard
- display
- button
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
- G06F1/1662—Details related to the integrated keyboard
- G06F1/1673—Arrangements for projecting a virtual keyboard
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/02—Input arrangements using manually operated switches, e.g. using keyboards or dials
- G06F3/0227—Cooperation and interconnection of the input arrangement with other functional units of a computer
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
- G06F3/0488—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
- G06F3/04886—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures by partitioning the display area of the touch-screen or the surface of the digitising tablet into independently controllable areas, e.g. virtual keyboards or menus
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Input From Keyboards Or The Like (AREA)
- User Interface Of Digital Computer (AREA)
Abstract
A kind of display device that can be superimposed dummy keyboard, it is adaptable to provide a display picture so that a screen of a head mounted display shows, and include keyboard process module, an operation control module and an output module.The keyboard process module is applied to one keyboard touching signals for being relevant to a button touch position of reception, and exports to the operation control module.The operation control module is according at least to the display picture of the button touch position computing comprising a dummy keyboard drawing, the dummy keyboard drawing includes multiple button portions for corresponding to multiple buttons of a physical keyboard respectively, and the corresponding different letter symbol of each button portion.By from the display device incision for providing the display picture, with the display picture of computing comprising the dummy keyboard drawing, it is provided that the dummy keyboard drawing for being not only restricted to operating system or display pattern shows, and does not need extra hardware cost of manufacture.
Description
Technical field
The present invention relates to a kind of display device, more particularly to one kind can be superimposed virtual key in head mounted display picture
The display device of disk.
Background technology
Virtual reality (virtual reality, be abbreviated as VR) is the interactive Display Technique of at present actively development, general palpus
Head mounted display is coordinated to be used, however, when user puts on head mounted display, as the visual field is fully covered
And be inconvenient to use physical keyboard, therefore, when needing to be input into a large amount of words, then can suffer from difficulty.
Intuitively solution is solved by showing a dummy keyboard in the user visual field, but because being limited to operate
The problems such as system, drawing engine, application programming superposition authority, extremely difficult during actual execution, for example user may be individual
A large-scale 3D game that is write using Microsoft DirectX is run on people's computer, the framework of DirectX is limited to, and non-original is soft
Part developer will be superimposed dummy keyboard image on picture and be not easy to, and its compatibility also easily occurs problem.
Existing several superposition dummy keyboard modes are as follows：
First, input method mode：It is that the major way for showing empty key board at present (is mainly used in Android (Android)
In operating system), it is the keyboard by dummy keyboard to be formulated as an input method, allows operating system to need to be input in user
During word, call the input method to manifest dummy keyboard.If however, operating program the key for not supporting display input method
During disk, this mode cannot be used.
2nd, prospect application programming：Also (it is mainly used in Microsoft's Window operating system for common dummy keyboard display mode
On), it is that dummy keyboard is directly formulated as form (windows), then shifts desktop most prospect onto.If however, operating volume
Journey is full screen programming (such as large-scale 3D game etc.), and as all desktop windows can all be shielded, dummy keyboard cannot also show.
In addition to the problems referred to above, due to the variation of operating system development, for example common windows workspace pattern has：Table
Surface model, plate mode, full screen video mode, full screen Graphics Mode (DirectX or OpenGL) etc., how various
Can ensure that dummy keyboard is shown as the target for desiring most ardently development at present under operating system, various display patterns.
Content of the invention
It is an object of the invention to provide one kind can solve the above problems and can be superimposed void in head mounted display picture
Intend the display device of keyboard.
The display device that dummy keyboard can be superimposed of the present invention, it is adaptable to provide a display picture for a wear-type
One screen of display shows, and includes keyboard process module, an operation control module and an output module.
The keyboard process module is applied to one button touch position for being at least relevant to a physical keyboard of reception
Keyboard touching signals, and export an input signal for being relevant to the button touch position.
The operation control module receives the input signal, and includes a virtuality according at least to the button touch position computing
The display picture of keyboard drawing, and an output signal for being relevant to the display picture is exported, the dummy keyboard drawing includes
Multiple respectively to should physical keyboard multiple word buttons and the button portion of corresponding different letter symbols respectively.
The output module receives the output signal and provides to the screen of the head mounted display.
The display device that dummy keyboard can be superimposed of the present invention, the dummy keyboard drawing include at least 26 button portions, and
The corresponding different English alphabet of each button portion.
The display device that dummy keyboard can be superimposed of the present invention, the keyboard touching signals are also relevant to the one of the physical keyboard
Individual key press power, the operation control module is according to the button touch position and the key press power computing dummy keyboard
Drawing.
The display device that dummy keyboard can be superimposed of the present invention, the operation control module is according to the button touch position in right
The button portion that answers produces the visible change for being different from other button portions, and is produced in corresponding button portion according to the key press power
The raw visible change for being different from other button portions.
The display device that dummy keyboard can be superimposed of the present invention, the display device is a screen of the head mounted display
Video signal control device, the display device also include an image interface, and a keyboard interface, and the image interface is applied to reception
One image is input into and exports to the operation control module, the keyboard interface be applied to receive the keyboard touching signals and export to
The keyboard process module, the operation control module are input into form a basic figure layer according to the image, and by the dummy keyboard figure
Face is superimposed on the basic figure layer and forms the display picture.
The present invention the display device that can be superimposed dummy keyboard, the keyboard interface using specification conflux for universal sequence
Row, bluetooth, radio frequency one of those, the specification that the image interface is used be high picture quantity multimedia interface, many matchmakers of wireless high image quality
Body interface, Intel's Wireless Display one of those.
The display device that dummy keyboard can be superimposed of the present invention, the display device are one and show chip, the display device
Also include an input module, the input module is applied to one system signal for being relevant to an application programming drawing of reception simultaneously
Export to the operation control module, the operation control module includes according to the application programming drawing, the button touch position computing
The display picture of the dummy keyboard drawing.
The display device that dummy keyboard can be superimposed of the present invention, the dummy keyboard drawing are also included respectively to should entity key
The button portion of multiple function buttons of disk.
The display device that dummy keyboard can be superimposed of the present invention, the dummy keyboard drawing are to meet a computor-keyboard standard
Drawing.
The display device that dummy keyboard can be superimposed of the present invention, the keyboard touching signals are also relevant to a touching track,
Position of the operation control module according to a mouse in the touching track computing display picture.
The beneficial effects of the present invention is：By from the display device incision for providing the display picture, being included with computing should
Display picture of dummy keyboard drawing, it is provided that the dummy keyboard drawing for being not only restricted to operating system or display pattern shows
Show, and do not disturbed by executory application programming, and do not need extra hardware cost of manufacture.
Description of the drawings
Fig. 1 is one of a first embodiment of the display device that the present invention can be superimposed dummy keyboard and uses schematic diagram；
Fig. 2 is a block schematic diagram of the first embodiment；
Fig. 3 is an application schematic diagram of the first embodiment；
Fig. 4 is one of another pattern of the first embodiment and uses schematic diagram；
Fig. 5 is a block schematic diagram of another pattern of the first embodiment；
Fig. 6 is one of a second embodiment of the display device that the present invention can be superimposed dummy keyboard and uses schematic diagram；
And
Fig. 7 is a block schematic diagram of the second embodiment.
Specific embodiment
Before the present invention is described in detail, it shall be noted that in the following description content, similar element is with identical
Number to represent.
Fig. 1, Fig. 2 and Fig. 3 is referred to, the present invention can be superimposed a first embodiment of the display device 2 of dummy keyboard, be suitable for
In one display picture of offer so that a screen 91 of a head mounted display 9 shows.
Wherein, the display device 2 be applied to collocation TaiWan, China patent application number the 105211786th " for head
Wear the keyboard of display device " use, and the display device 2 is a screen video signal control device of the head mounted display 9
(On-Screen Display, be abbreviated as OSD), as shown in figure 1, when actually used, the head mounted display 9 and a master
One physical keyboard 8 of machine 7 and above-mentioned collocation is online.
The display device 2 includes a keyboard process module 23, of keyboard interface 22, of image interface 21,
Operation control module 24, and an output module 25.
The image interface 21 is online to the main frame 7, and suitable for receiving an image input by the main frame 7, the image connects
The specifications that mouth 21 is used can be that (HighDefinition Multimedia Interface, are abbreviated as high picture quantity multimedia interface
HDMI), wireless high picture quantity multimedia interface (Wireless HDMI), Intel's Wireless Display (Intel Wireless
Display, is abbreviated as Intel WiDi) one of them.
The keyboard interface 22 is online to the physical keyboard 8, and suitable for receiving a keyboard touch-control letter by the physical keyboard 8
Number.Wherein, the keyboard touching signals be relevant to a button touch position of the physical keyboard 8, one of the physical keyboard 8 by
Key pressing power or a touching track.Wherein, the specification that the keyboard interface 22 is used is universal serial bus
(Universal Serial Bus, be abbreviated as USB), bluetooth (Bluetooth), (Radio frequency, are abbreviated as radio frequency
RF) one of them, in this embodiment, moves for convenience of user, preferably using wireless bluetooth or radio frequency specification.
The keyboard process module 23 electrically connects the keyboard interface 22, and touches suitable for receiving the keyboard by the keyboard interface 22
Control signal, to export an input signal for being relevant to the button touch position.Wherein, the keyboard process module 23 receives the key
After disk touching signals, according to the protocol-decoding keyboard touching signals that gets well discuss and decide with the physical keyboard 8 of the keyboard process module 23
And it is output as the input signal.
The operation control module 24 receives the input signal, and receives the image input by the image interface 21, according to this
Image is input into form a basic figure layer 911 (i.e. Background From Layer in Fig. 3), and is pressed according to the button touch position and the button
One dummy keyboard drawing 912 of pressure road computing, and the dummy keyboard drawing 912 is superimposed on the basic figure layer 911 and is formed
The display picture, and export an output signal for being relevant to the display picture.The operation control module 24 is always according to the touching
The position of a mouse (not shown) in the track computing display picture.
The dummy keyboard drawing 912 pairs should physical keyboard 8 drawing, and including multiple respectively to should physical keyboard 8
Multiple word buttons 81 and the button portion 913 of corresponding different letter symbols respectively, for example, the dummy keyboard drawing 912 can
To include at least 26 button portions 913, and the corresponding different English alphabet of each button portion 913, or design the virtual key
Disk drawing 912 is the drawing for meeting a computor-keyboard standard, that is to say, that the dummy keyboard drawing 912 is right respectively except including
Answer outside the button portion 913 of different letter symbols, also include respectively to should physical keyboard 8 multiple function buttons 81 button
Portion 913, for example：Enter, Ctrl, Shift ... wait function button.
Computor-keyboard standard common at present has 104 buttons of Windows formula keyboards, scaled-down version Windows formula keyboards
87 buttons (without digital block), 78 buttons (i.e. shown in Fig. 3) of Apple formula keyboards, 100 buttons of a key shelf,
And part increases form of button etc. in response to function is increased, one common feature is that be printed on above the button right
The character that answers, to be correspondingly input into different letter symbols when user presses, in most cases, by next button just often
Corresponding single symbol can be exported, such as letter, numeral or punctuation mark etc..Furthermore, its size can be arranged side by side for user's both hands,
Make user press the button by both hands and rapidly input a large amount of words, without usually switch mode, in picture
Upper selection character symbol or given directions by input etc. by single.
The output module 25 receives the output signal and provides to the screen 91 of the head mounted display 9.
When actually used, as shown in figure 3, apply the head mounted display 9 to participate in video conference with user illustrate,
By arranging the display device 2 (screen video signal control device) in the head mounted display 9, the head mounted display 9 can connect
The keyboard touching signals of the physical keyboard 8 are received, and shows the dummy keyboard drawing corresponding to physical keyboard 8 on screen 91
912, when user is as general typewriting, when both hands finger is placed on the button 81 of the physical keyboard 8, the computing
Control module 24 can be produced in corresponding button portion 913 according to the button touch position and be different from regarding for other button portions 913
Feel change, for example, the button portion 913 that corresponding user is touched is lighted or shows different colours, to inform that user is corresponding
The button 81 of the physical keyboard 8 is touched, and shown in Fig. 3, the i.e. corresponding current user's finger of button portion 913a is touched
The button 81a for touching.And when user presses some button 81, the operation control module 24 i.e. can be according to the key press
Road judges and produces the visible change different from other button portions 913 in corresponding button portion 913, for example, by corresponding user
The button portion 913 of pressing is dimmed or shows deeper color, with inform the button 81 of the corresponding physical keyboard 8 of user by by
Pressure, shown in Fig. 3, the button 81b pressed by the i.e. corresponding current user of button portion 913b.Whereby, user can be led to
The position placed by dummy keyboard drawing 912 " seeing " finger of oneself is crossed, and can intuitively be reacted and be carried out fast typing.
The keyboard touching signals of the related touching track are exported when user is slided in the physical keyboard 8 with finger
When, the operation control module 24 according to the position of the mouse in the touching track computing display picture or is carried out hand-written
Word is input into.
Refering to Fig. 4 and Fig. 5, it is another pattern of the first embodiment, this pattern is with above-mentioned difference：
The main frame 7 is online with the physical keyboard 8 and the head mounted display 9, and it is defeated that the main frame 7 receives 8 institute of physical keyboard
The signal for going out, and it is output as the keyboard touching signals.
The keyboard touching signals through the universal serial bus of the main frame 7 and the pairing of head mounted display 9, bluetooth or
The interface of radio frequency is transmitted to the keyboard interface 22 of the display device 2.
As the difference of this pattern is only providing the keyboard touching signals another kind transmission path, the fortune of the display device 2
It is same as mode above-mentioned, will not be described here.
Via above explanation, the advantage of the present embodiment can be summarized as follows：
First, Fig. 1, Fig. 2 and Fig. 3 are referred to, by being cut from the display device 2 for providing the display picture, with computing bag
Display picture containing the dummy keyboard drawing 912, it is provided that be not only restricted to the dummy keyboard of operating system or display pattern
Drawing 912 shows that this is because all having independently of operating system management currently used for the display device 2 for providing the display picture
Authority, be therefore freely intended to dummy keyboard drawing 912 being superimposed can be shown in picture most prospect, and not executed
In application programming disturbed, furthermore, due to function of the present invention all can pass through change the display device 2 software
(software) programming may achieve, and therefore not need extra hardware cost of manufacture.
2nd, by by the button portion 913 of the dummy keyboard drawing 912 be designed as to should physical keyboard 8 multiple buttons
81, and preferably meet the drawing of computor-keyboard standard, user directly can tap entity key according to existing use habit
Disk 8, and can according to the feedback of vision, intuition is reacted and carries out fast typing, can reach rapid, high volume be input into word effect.
Furthermore, as computor-keyboard standard is designed in order to rapid, high volume is input into word originally, so can more reach quick big
Effect of amount input word.
3rd, the display device is used as by screen video signal control device (OSD) in the change in design head mounted display 9
2, and the keyboard process module 23 and the operation control module 24 are set, directly can have using existing head mounted display 9
Universal serial bus, bluetooth or radio frequency interface as the keyboard interface 22 to receive the keyboard touching signals, and combine
The input signal received by the image interface 21 carries out processing computing to show the display comprising the dummy keyboard drawing 912
Picture, whereby, not only can skip the difficulty for competing picture most prospect on main frame 7 with operating system, various application programmings, and
Vary without the specification of the image interface 21, be also not required to increase additional interface, so can in the case where hardware cost is not increased,
May achieve effect of the superposition dummy keyboard of this case institute demand.
Refering to Fig. 6 and Fig. 7, it is a second embodiment of the display device that the present invention can be superimposed dummy keyboard, this second
Embodiment is analogous to the first embodiment, and the second embodiment is with the difference of the first embodiment：
The display device 2 is display chip (graphics processing unit, be abbreviated as GPU), and in reality
When border uses, the main frame 7 is online with the physical keyboard 8 and the head mounted display 9.
One operating system 71 and the display device 2 of the output keyboard touching signals to the main frame 7 of physical keyboard 8
Keyboard process module 23.
The display device 2 also includes an input module 26, and the input module 26 is applied to by the operating system 71 or each
Plant application programming 72 to receive a system signal for being relevant to an application programming drawing and export to the operation control module 24.
Wherein, the system signal is sent by the operating system 71 or various application programming 72, for striving for the be intended to drawing for showing.
The operation control module 24 is transported according to the application programming drawing, the button touch position and the key press power
Calculate the display picture comprising the dummy keyboard drawing 912.Herein it should be noted that, the display chip 2 be in the main frame 7 locate
The main frame of the display picture is managed, therefore, the display chip 2 has the application programming drawing for determining that each application programming is provided
For the authority of which layer view, that is to say, that via the software programming of the change in design display chip 2, you can to make the virtuality
The display of keyboard drawing 912 is not disturbed by other application programming.
It is noted that the display chip 2 can also be formed in conjunction with other circuits shows card (integrative display card or extrapolation
Formula show card), and above-mentioned functions can write in show card Driven programming in.The second embodiment is applied to be applied in Microsoft
(Microsoft) hand of PC, Macintosh (Macintosh) desktop computer, Android system or Windows Phone
Machine, flat board etc..
Thus, the second embodiment can also reach and above-mentioned first embodiment identical purpose and effect, and can also reach
Following effect：
By the software programming of the change in design display chip 2 using as the display device 2, and the Data inputing mould is set
Block 23 and the operation control module 24, directly can combine the display of the dummy keyboard drawing 912 in 2 end of the display chip output
Picture, and the image interface having via the main frame 7 originally exports this and outputs signal to the head mounted display 9, therefore, can
Used using the existing head mounted display 9 that there is image interface normally only with direct collocation, that is to say, that can equally be not required to
In the case of changing the specification of image interface and not increasing additional interface, the work(of the superposition dummy keyboard of this case institute demand is reached
Effect.
In sum, the present invention can be superimposed display device 2 escape of dummy keyboard and existing will be superimposed dummy keyboard drawing
912 is all the predicament that is set about by application software end, then selects that there is the hardware end of image processing authority to be broken through, by this
The screen video signal control unit of head mounted display 9, the display chip of the main frame 7 have free superimposed image and by operation are not
The authority of 71 management of system, expands the software of the screen video signal control unit or the display chip and be freely superimposed dummy keyboard to reach
Effect of drawing 912, so can reach really the purpose of the present invention.
Only as described above, only embodiments of the invention are when limiting the scope of present invention enforcement with this, all
It is the simple equivalence changes and modification that is made according to claims of the present invention and description, all still belongs to what the present invention covered
In the range of.
Claims (10)
1. a kind of display device that can be superimposed dummy keyboard, it is adaptable to provide a display picture for a head mounted display
A screen show, it is characterised in that：The display device includes：
One keyboard process module, it is adaptable to receive a button touch position for being at least relevant to a physical keyboard
Keyboard touching signals, and export an input signal for being relevant to the button touch position；
One operation control module, receives the input signal, and includes a virtuality according at least to the button touch position computing
The display picture of keyboard drawing, and an output signal for being relevant to the display picture is exported, the dummy keyboard drawing includes
Multiple respectively to should physical keyboard multiple word buttons and the button portion of corresponding different letter symbols respectively；And
One output module, receives the output signal and provides to the screen of the head mounted display.
2. the display device that dummy keyboard can be superimposed according to claim 1, it is characterised in that：The dummy keyboard drawing bag
Include at least 26 button portions, and the corresponding different English alphabet of each button portion.
3. the display device that dummy keyboard can be superimposed according to claim 1, it is characterised in that：The keyboard touching signals are also
A key press power of the physical keyboard is relevant to, the operation control module is pressed according to the button touch position and the button
The pressure road computing dummy keyboard drawing.
4. the display device that dummy keyboard can be superimposed according to claim 3, it is characterised in that：The operation control module root
The visible change for being different from other button portions is produced according to the button touch position in corresponding button portion, and according to the key press
Power produces the visible change for being different from other button portions in corresponding button portion.
5. the display device that dummy keyboard can be superimposed according to claim 1, it is characterised in that：The display device is the head
One screen video signal control device of head mounted displays, the display device also include an image interface, and a keyboard interface,
The image interface is applied to one image of reception and is input into and exports to the operation control module, and the keyboard interface is applied to reception should
Keyboard touching signals are simultaneously exported to the keyboard process module, and the operation control module is input into form a parent map according to the image
Layer, and the dummy keyboard drawing is superimposed on the basic figure layer and forms the display picture.
6. the display device that dummy keyboard can be superimposed according to claim 5, it is characterised in that：The keyboard interface is used
Specification be universal serial bus, bluetooth, radio frequency one of them, the specification that the image interface is used be high picture quantity multimedia Jie
Face, wireless high picture quantity multimedia interface, Intel's Wireless Display one of them.
7. the display device that dummy keyboard can be superimposed according to claim 1, it is characterised in that：The display device is one
Show that chip, the display device also include an input module, the input module is applied to reception one and is relevant to an application
The system signal of programming drawing is simultaneously exported to the operation control module, the operation control module according to the application programming drawing, should
The display picture of button touch position computing comprising the dummy keyboard drawing.
8. the display device that dummy keyboard can be superimposed according to claim 1, it is characterised in that：The dummy keyboard drawing is also
Including respectively to should physical keyboard multiple function buttons button portion.
9. the display device that dummy keyboard can be superimposed according to claim 1, it is characterised in that：The dummy keyboard drawing is
Meet the drawing of a computor-keyboard standard.
10. the display device that dummy keyboard can be superimposed according to claim 1, it is characterised in that：The keyboard touching signals
A touching track be also relevant to, and the operation control module is according to a mouse in the touching track computing display picture
Position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610912829.8A CN106502323A (en) | 2016-10-20 | 2016-10-20 | The display device of dummy keyboard can be superimposed |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610912829.8A CN106502323A (en) | 2016-10-20 | 2016-10-20 | The display device of dummy keyboard can be superimposed |
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| CN201610912829.8A Pending CN106502323A (en) | 2016-10-20 | 2016-10-20 | The display device of dummy keyboard can be superimposed |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110465745A (en) * | 2019-06-27 | 2019-11-19 | 宁波普瑞均胜汽车电子有限公司 | The production method of display switch key more than one |
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