CN106406553A - Keyboard - Google Patents
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- CN106406553A CN106406553A CN201510458691.4A CN201510458691A CN106406553A CN 106406553 A CN106406553 A CN 106406553A CN 201510458691 A CN201510458691 A CN 201510458691A CN 106406553 A CN106406553 A CN 106406553A
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- Prior art keywords
- wiring board
- contact
- keyboard
- order
- switch
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Abstract
The embodiment of the invention discloses a keyboard, which comprises a plurality of keys, a membrane key switch and a plurality of diodes. In the keyboard, the plurality of diodes are arranged on the membrane key switch and are electrically connected to a plurality of upper contacts or lower contacts of the membrane key switch to provide the keyboard with a function of avoiding key position conflict. The technical scheme of the embodiment of the invention can be applied to a membrane type keyboard to avoid the key position conflict.
Description
Technical field
The present invention is with regard to a kind of keyboard, and especially one kind has anti-key mapping conflict function
Background technology
Whether in text-processing or game, we all often using to Macintosh, that is, together
Press multiple buttons to execute some specific functions.But sometimes it may happen that pressing two buttons
Afterwards, then signal does not but export when pressing the 3rd button problem, cause so-called key mapping conflict
Phenomenon.
The major design mode of keyboard is that button is lined up matrix form (Keyboard Matrix) at present,
When button is triggered, by KBC (Keyboard Controller) according to row (Column)
With the information of row (Row), to find out the key information being depressed by output signal.Keyboard
In matrix, the cross-point of each row and column represents a button, and when button is triggered, keyboard is just
Can be scanned, inquiry is which button is pressed.For example, KBC can take turns scan flow
Every a line of keyboard matrix, if receive accordingly in a certain row when KBC scans to certain a line
Signal, KBC can judge it is which button is touched according to the line information forming path
Send out.
In keyboard matrix, minimum rectangle unit is made up of four buttons, presses any in four buttons
Can smooth output signal during one button.When arbitrarily pressing two buttons, KBC also can be according to
It is which button is triggered that line information judges.But when pressing three buttons simultaneously, two will be sent
Individual row information and two column informations to KBC, press because two row can form four altogether with two row
Key, so depending line information alone and cannot calculating is which three button in four buttons are pressed, and this
When misjudged turning circuit the 4th button, i.e. referred to as Ghost Key (Ghost Key).
When Ghost Key occurs, KBC cannot correctly judge which button is pressed and may produce
The judgement signal of mistake.In order to avoid rub-out signal is sent, KBC ignores that the 3rd
Produced signal when button is pressed, only signal produced by output the first two button that is to say, that
In same matrix, when pressing wherein three buttons on adjacent four positions, key will occur simultaneously
Bit swiping phenomenon.
Thin film type keyboard is the button to judge with keyboard matrix to be pressed, thus has key mapping conflict
Problem.The common at present anti-key mapping conflict means being applied to thin film type keyboard are set up and can be compiled with complexity
The control IC that journey logic chip (complex programmable logic device, CPLD) is realized, with
And be directed in keyboard matrix and be easier to button that Ghost Key occurs, such as common combinations key one of
Button, enters row line and avoids the modes such as design.But the above-mentioned practice all need again to develop design and cannot
Directly apply to thin film type keyboard on the market, and have increase development cost and the problem of time, therefore
The anti-key mapping conflict being applied to thin film type keyboard needing a kind of improvement designs to improve in existing keyboard
Problem.
Content of the invention
It is an object of the invention to provide a kind of cost-effective and time has anti-key mapping conflict function
Keyboard.
The present invention provides a kind of keyboard, including：
Multiple buttons；
One film key switch, is arranged at below multiple buttons, produces in order to be pressed by multiple buttons
Multiple push button signallings, including：
Wiring board on one, is located at a lower surface of upper wiring board including multiple upper contacts；
Wiring board once, is located at a upper surface of lower wiring board including multiple lower contacts, wherein, many
Individual lower contact is located at below multiple upper contacts respectively, produces multiple pressing in order to contact with multiple upper contacts
Key signals；And
One wall, positioned between described upper wiring board and lower wiring board, connects on multiple in order to separate
Point and the plurality of lower contact；And
Multiple diodes, are arranged at the lower surface of wiring board and are electrically connected in a upper contact, with
Electric current is made to pass through upper contact from single direction.
In an embodiment, described upper contact is identical with the quantity of described diode.
In an embodiment, the upper contact wherein described in of four adjacent described upper contacts is electrically connected to
Diode described in one.
In an embodiment, each described upper contact and described lower contact below described upper contact
Form a switch, described film key switch also includes multiple first conducting wires and multiple second leads
Electric line, each described first conducting wire in order to the multiple described switch of longitudinally electrical connection and with described
The plurality of diode of multiple switch electrical connection, each described second conducting wire is in order to be laterally electrically connected
Connect multiple described switches and the plurality of diode electrically connecting with the plurality of switch.
In an embodiment, described wall includes multiple first through holes, and described lower wiring board includes
Multiple second through holes below the plurality of first through hole, in order to accommodate the plurality of diode.
In an embodiment, described wall includes multiple perforates, when described film key switch is touched
During pressure, the plurality of upper contact is stretched into the plurality of perforate and is produced with the plurality of lower contacts
The plurality of push button signalling.
In an embodiment, also include a base plate and be located at below described film key switch, in order to support
Described film key switch and the plurality of button, described base plate includes multiple third through-holes, in order to
Accommodate the plurality of diode.
In an embodiment, each described button includes：
One keycap；
One connecting element, positioned at described keycap and described film key switch between and be connected to described key
Cap, in order to make described keycap move up and down with respect to described film key switch；And
One flexible member, between described keycap and described film key switch, in order to provide a bullet
Property power give described keycap, so that described keycap is resetted.
The present invention provides another kind of keyboard, including：
Multiple buttons；
One film key switch, is arranged at below multiple buttons, produces in order to be pressed by multiple buttons
Multiple push button signallings, including：
Wiring board on one；
Multiple upper contacts, positioned at a lower surface of upper wiring board；
Wiring board once；
Multiple lower contacts, positioned at a upper surface of lower wiring board, wherein, multiple lower contacts position respectively
Below multiple upper contacts, produce multiple push button signallings in order to contact with multiple upper contacts；And
One wall, positioned between upper wiring board and lower wiring board, in order to make multiple upper contacts with many
Individual lower contact maintains a distance；And
Multiple diodes, are arranged at the upper surface of lower wiring board and are electrically connected in contact once, with
Make electric current from single direction by lower contact.
In an embodiment, each described lower contact is electrically connected to diode described in.
In an embodiment, the lower contact wherein described in of four adjacent described lower contacts is electrically connected to
Diode described in one.
In an embodiment, described film key switch also includes multiple first conducting wires and multiple
Second conducting wire, wherein, under each described first conducting wire is in order to laterally electrical connection is the plurality of
The plurality of diode that contact is electrically connected with the plurality of lower contact and be located at the plurality of under connect
The plurality of upper contact of point top, each described second conducting wire is described many in order to longitudinally electrical connection
The plurality of diode that individual lower contact is electrically connected with the plurality of lower contact and be located at the plurality of
The plurality of upper contact above lower contact.
Brief description
Fig. 1 is the complete decomposing schematic representation of the keyboard of the present invention first preferred embodiment.
Fig. 2 is the decomposed schematic diagram of the keyboard of the present invention first preferred embodiment.
Fig. 3 is the generalized section of the keyboard of the present invention first preferred embodiment.
Fig. 4 is the keyboard matrix circuit schematic diagram of the present invention first preferred embodiment.
Fig. 5 is the current path schematic diagram of the present invention first preferred embodiment.
Fig. 6 is the generalized section of the keyboard of the present invention second preferred embodiment.
Wherein, description of reference numerals is as follows：
Keyboard 1
Button 10
Keycap 101
Connecting element 102
Flexible member 103
Teat 103a
Film key switch 11
Upper wiring board 111
Lower wiring board 112
Second through hole 1121
Wall 113
First through hole 1131
Current path P1, P2, P3
Upper contact 114
Perforate 115
Lower contact 116
Base plate 12
Support teat 121
Third through-hole 122
Diode 13
Keyboard matrix circuit 14
Switch SW1, SW2, SW3, SW4
First conducting wire X1, X2
Second conducting wire Y1, Y2
Keyboard 2
Specific embodiment
The keyboard of the present invention is described with different embodiments below.Please also refer to Fig. 1 to Fig. 3, Fig. 1 is
The complete decomposing schematic representation of the keyboard of the present invention first preferred embodiment, Fig. 2 is that the present invention first is preferable
The decomposed schematic diagram of the keyboard of embodiment, Fig. 3 is the keyboard of the present invention first preferred embodiment
Generalized section.For simplifying drawing, only show some buttons in Fig. 2 and Fig. 3 and be located at described pressing
Part film key switch below key, part backplane and a diode.
The element of explanation this example keyboard 1 first forms.As shown in Figures 1 and 2, keyboard 1 include many
Individual button 10, film key switch 11, base plate 12 and multiple diode 13 (diode).Often
One button 10 includes keycap 101, connecting element 102 and flexible member 103.Film key switchs
11 include upper wiring board 111, lower wiring board 112 and wall 113.Upper wiring board 111
Lower surface, is represented by dotted lines in Fig. 2, has the multiple upper contacts 114 being connected.Lower wiring board
112 are located at below upper wiring board 111, and the upper surface of lower wiring board 112 has be connected multiple
Lower contact 116.Wall 113 is then located between upper wiring board 111 and lower wiring board 112, in order to
Separate multiple upper contacts 114 and multiple lower contacts 116, and wall 113 has multiple perforates 115.
Also, each upper contact 114 has a corresponding perforate 115 and once contact 116, and each on connect
The corresponding lower contact 116 of point 114 forms a switch.
Next the assembling sequence of this example keyboard 1 is described.First, as shown in Figures 2 and 3, film
On-off circuit 11 is placed between multiple buttons 10 and base plate 12, and multiple diodes 13 are then arranged at thin
The lower surface of the upper wiring board 111 of membrane switch circuit 11, is represented by dotted lines in Fig. 2, and each
Diode 13 is electrically connected to a upper contact 114, so that electric current passes through upper contact 114 from single direction.
Also, wall 113 includes multiple first through holes 1131, lower circuit 112 plate is included positioned at multiple
Multiple second through holes 1121 of one through hole 1131 lower section, base plate 12 then includes logical positioned at multiple second
Multiple third through-holes 122 of hole 1121 lower section, so that each diode 13 can be accommodated in first lead to
In hole 1131, the second through hole 1121 and third through-hole 122.The present invention passes through to arrange multiple diodes
13 purposes reaching anti-key mapping conflict, described further below.
Furthermore, multiple flexible members 103 are arranged at the upper surface of wiring board 111 and are connected to
Multiple keycaps 101, and each upper contact 114 is below a flexible member 103.Also, each bullet
Property element 103 inside there is a teat 103a, and each teat 103a be located at a upper contact 114 on
Side.Supplementary notes, multiple flexible members 103 can be for individually affixing to the many of wiring board 111
Individual independent component, also can be interconnected as single element.And multiple connecting element 102 is also arranged at
The upper surface of wiring board 111 is simultaneously connected to multiple keycaps 101, and each flexible member 103
In the accommodation space that a connecting element 102 is formed.
Additionally, base plate 12 includes multiple support teats 121.Multiple support teats 121 pass through film
On-off circuit 11 and protrude from the upper surface of wiring board 111 and be connected to multiple connecting elements 102,
So that multiple connecting elements 102 to be fixed on film switch circuit 11.Supplementary notes, though in
In Fig. 2, each connecting element 102 is connected with four support teats 121, but is not limited, each
The quantity of the support teat 121 corresponding to connecting element 102 can design adjustment according to actual demand.
After completing above-mentioned assembling operation, when arbitrary keycap 101 is pressed downwards, connecting element 102
Auxiliary keycap 101 stably moves down and extrudes flexible member 103 so that being located at flexible member 103
Internal teat 103a is pressed down against wiring board 111.It is then situated on reaching the standard grade below teat 103a
The upper contact 114 of road plate 111 stretches into the perforate 115 of wall 113, and with lower wiring board 112
Lower contact 116 contacts and produces push button signalling.And when keycap 101 is no longer touched, flexible member
103 offer one elastic forces give keycap 101, make keycap 101 under connecting element 102 auxiliary stable to
Upper movement to touched when position.
Next explanation this example keyboard 1 passes through to arrange the mesh that anti-key mapping conflict reached by multiple diodes 13
Principle.Please with reference to Fig. 2 to Fig. 4, Fig. 4 is the keyboard of the present invention first preferred embodiment
Matrix circuit schematic diagram, for simplifying drawing, only shows what adjacent four button was formed in Fig. 4
Portion keyboard matrix circuit.Keyboard matrix circuit 14 includes correspond to four adjacent key respectively four
Switch SW1, SW2, SW3 and SW4, in order to the of longitudinally electrical connection switch SW1 and SW2
One conducting wire X1, in order to longitudinally first conducting wire X2 of electrical connection switch SW3 and SW4,
Switch second conducting wire Y1 of SW1 and SW3 in order to horizontal electrical connection and in order to be laterally electrically connected
Connect second conducting wire Y2 of switch SW2 and SW4.KBC (not shown) can be according to
Sequence scans the first conducting wire X1 and X2, and detects when scanning the first conducting wire X1 or X2 the
Whether two conducting wires Y1 and Y2 turn on, and thereby judge switch SW1, SW2, SW3 and SW4
Conducting state, described further below.
As it was previously stated, each upper contact 114 has corresponding contact 116 once, and each upper contact
114 corresponding lower contacts 116 form a switch, when corresponding to a switch, such as SW1,
When button 10 is pressed, the upper contact 114 corresponding to switch SW1 is contacted with lower contact 116,
And make switch SW1 (on) in the conduction state, and then the first conducting wire X1 is led to be led with second
Electric line Y1 turns on, that is, can lead in second when KBC scans the first conducting wire X1
Electric line Y1 receives corresponding signal.Based on this phenomenon, KBC can learn switch SW1
Corresponding button 10 is pressed.
Understand in the same manner, so that switch SW2 is in and lead when the button 10 to inductive switch SW2 is pressed
During logical state, KBC can be in the second conducting wire Y2 when scanning the first conducting wire X1
Receive corresponding signal, based on this phenomenon, KBC can determine whether to switch corresponding to SW2
Button 10 is pressed.Furthermore, make switch SW3 when the button 10 to inductive switch SW3 is pressed
When in the conduction state, KBC can be in the second conductor wire when scanning the first conducting wire X2
Road Y1 receives corresponding signal, and based on this phenomenon, KBC can determine whether that switch SW3 institute is right
The button 10 answered is pressed.Additionally, making switch when the button 10 to inductive switch SW4 is pressed
When SW4 is in the conduction state, KBC can be led in second when scanning the first conducting wire X2
Electric line Y2 receives corresponding signal, and based on this phenomenon, KBC can determine whether to switch SW4
Corresponding button 10 is pressed.
Situation explanation when being then simultaneously pressed with multiple buttons 10 is by arranging multiple diodes 13
Reach the principle of the purpose of anti-key mapping conflict.Please with reference to Fig. 4 and Fig. 5, Fig. 5 is the present invention the
The current path schematic diagram of one preferred embodiment.As shown in figure 5, switch SW1, SW2 and SW3
All it is switched on because its corresponding button 10 is pressed.When KBC scans the first conductor wire
During the X2 of road, because switch SW4 is not turned on, electric current will be unable to by switching SW4, such as electric current
Shown in path P 1.And because switch SW1 is connected to diode 13 and so that electric current is only capable of from single side
To by switching SW1, therefore electric current also cannot be by switching SW1, as shown in path P 2.It is based on
Above-mentioned reason, KBC cannot receive corresponding signal in the second conducting wire Y2, therefore key
Disk controller can correctly judge that the button 10 switching corresponding to SW4 is not pressed, without occurring
Key mapping conflict phenomenon.If but switch SW1 is not attached to diode 13, and KBC is in scanning the
During one conducting wire X2, electric current, will make back through switch SW1 as shown in current path P3
Obtain KBC and receive corresponding signal in the second conducting wire Y2, and make KBC judge by accident
Button 10 corresponding to switch SW 4 is pressed, and then key mapping conflict phenomenon occurs.
In addition, when switch SW2, SW3 and SW4 are all because its corresponding button 10 is pressed
During conducting, because switch SW4 is connected to diode 13 and makes electric current be only capable of passing through to open from single direction
Close SW4, switch SW2, SW3 and SW4 cannot provide another guiding path, without leading to
First conducting wire X1 and the second conducting wire Y1 are switched on, therefore KBC will not be judged by accident open
Close the button 10 corresponding to SW1 to be pressed, key mapping conflict phenomenon will not occur.
Additionally, when switch SW1, SW3 and SW4 are all because its corresponding button 10 is pressed
During conducting, because switch SW3 is connected to diode 13 and makes electric current be only capable of passing through to open from single direction
Close SW3, switch SW1, SW3 and SW4 cannot provide another guiding path, without leading to
First conducting wire X1 and the second conducting wire Y2 are switched on, therefore KBC will not be judged by accident open
Close the button 10 corresponding to SW2 to be pressed, key mapping conflict phenomenon will not occur.
Furthermore, when switch SW1, SW2 and SW4 are all because its corresponding button 10 is pressed
During conducting, because switch SW2 is connected to diode 13 and makes electric current be only capable of passing through to open from single direction
Close SW2, switch SW1, SW2 and SW4 cannot provide another guiding path, without leading to
First conducting wire X2 and the second conducting wire Y1 are switched on, therefore KBC will not be judged by accident open
Close the button 10 corresponding to SW3 to be pressed, key mapping conflict phenomenon will not occur.
Though each switch is both connected to a diode 13 in described above, know art technology
Personnel's Ke Yi actual demand design for change.For example, in switch SW1, SW2, SW3 and SW4
In, if only the button 10 corresponding to switch SW1, SW2 and SW3 can be pressed simultaneously,
Only need by switch SW1 be connected to diode 13 can prevent key mapping conflict phenomenon occur.That is, it is adjacent
Four switches in, only wherein one switch is connected to during diode 13 and equally can prevent key mapping conflict
Phenomenon occurs.
As shown in the above description, key mapping conflict can be prevented by arranging multiple diodes 13 in this example
Phenomenon occurs, and by multiple diodes 13 being arranged at the upper wiring board of film switch circuit 11
111 lower surface, and make each diode 13 be electrically connected to a upper contact 114, may achieve and be not required to more
Change existing design and may be directly applied to effect of existing thin film type keyboard, and then solve aforementioned existing
The anti-key mapping conflict design being applied to thin film type keyboard expends more development cost and the problem of time.This
Outward, in this example, multiple diodes 13 can be contained in the laminated construction of keyboard 1, that is, wall 113,
Without other accommodation spaces in lower wiring board 112 and base plate 12, with more keyboard 1 will not be increased
The advantage of integral thickness.
Other designs that are subject to variation of keyboard of the present invention are described with the second preferred embodiment below.Say first
The keyboard 2 of the bright present invention second preferred embodiment, refer to Fig. 6, Fig. 6 is for the present invention second relatively
The generalized section of the keyboard of good embodiment.
From unlike the first preferred embodiment, in this example, multiple diodes 13 are arranged at film and open
Close the upper surface of the lower wiring board 112 of circuit 11, and each diode 13 is electrically connected to contact
116 so that electric current from single direction by lower contact 116.The keyboard 2 of this example equally can prevent key
Bit swiping phenomenon occur, and reach be not required to change existing design and may be directly applied to existing diaphragm type key
Effect of disk, and then solve the aforementioned existing anti-key mapping conflict design consuming being applied to thin film type keyboard relatively
Many development costs and the problem of time.The other structures of keyboard 2 of this example and operating principle are substantially with
The keyboard 1 of one preferred embodiment is identical, repeats no more in this.
By described above, the keyboard of the present invention passes through to arrange multiple diodes 13 prevents key mapping
Conflict phenomenon occurs, and by multiple diodes 13 are arranged at film switch circuit 11, reaches not
Existing design need to be changed and may be directly applied to effect of existing thin film type keyboard, and then solve aforementioned
The existing anti-key mapping conflict design being applied to thin film type keyboard expends asking of more development cost and time
Topic, and can bring the advantage that will not increase keyboard integral thickness, actually the sending out of great industry applications
Bright.
Embodiment described above technological thought only to illustrate the invention and feature, its purpose makes this
Field those of ordinary skill will appreciate that present disclosure and implements according to this, when can not with restriction this
The scope of the claims of invention, the impartial change generally made according to disclosed spirit or modification,
Must cover in the scope of the claims of the present invention.
Claims (12)
1. a kind of keyboard, including：
Multiple buttons；
One film key switch, is arranged at below the plurality of button, in order to be touched by the plurality of button
Press and produce multiple push button signallings, including：
Wiring board on one, is located at a lower surface of described upper wiring board including multiple upper contacts；
Wiring board once, is located at a upper surface of described lower wiring board including multiple lower contacts, wherein,
The plurality of lower contact is located at below the plurality of upper contact respectively, in order to connect with the plurality of upper contact
Touch and produce the plurality of push button signalling；And
One wall, positioned between described upper wiring board and described lower wiring board, described in order to separate
Multiple upper contacts and the plurality of lower contact；And
Multiple diodes, are arranged at the described lower surface of described upper wiring board and are electrically connected in an institute
State upper contact, so that electric current passes through described upper contact from single direction.
2. keyboard as claimed in claim 1 is it is characterised in that described upper contact and described two poles
The quantity of pipe is identical.
3. keyboard as claimed in claim 1 is it is characterised in that adjacent four described upper contacts
Upper contact wherein described in be electrically connected to diode described in.
4. keyboard as claimed in claim 1, each described upper contact with described upper contact
The described lower contact of side forms a switch, and described film key switch also includes multiple first conducting wires
And multiple second conducting wire is it is characterised in that each described first conducting wire is in order to longitudinal electricity
Connect multiple described switches and the plurality of diode electrically connecting with the plurality of switch, Mei Yisuo
State the second conducting wire to be electrically connected in order to the multiple described switch of horizontal electrical connection and with the plurality of switch
The plurality of diode connecing.
5. keyboard as claimed in claim 1 is it is characterised in that described wall includes multiple
One through hole, and described lower wiring board include below the plurality of first through hole multiple second lead to
Hole, in order to accommodate the plurality of diode.
6. keyboard as claimed in claim 1 is it is characterised in that described wall includes multiple opening
Hole, when described film key switch is touched, the plurality of upper contact stretches into the plurality of perforate simultaneously
Produce the plurality of push button signalling with the plurality of lower contacts.
7. keyboard as claimed in claim 1, also includes a base plate and is located at described film key switch
Lower section, in order to support described film key switch and the plurality of button it is characterised in that described
Base plate includes multiple third through-holes, in order to accommodate the plurality of diode.
8. keyboard as claimed in claim 1 is it is characterised in that each described button includes：
One keycap；
One connecting element, positioned at described keycap and described film key switch between and be connected to described key
Cap, in order to make described keycap move up and down with respect to described film key switch；And
One flexible member, between described keycap and described film key switch, in order to provide a bullet
Property power give described keycap, so that described keycap is resetted.
9. a kind of keyboard, including：
Multiple buttons；
One film key switch, is arranged at below the plurality of button, in order to be touched by the plurality of button
Press and produce multiple push button signallings, including：
Wiring board on one；
Multiple upper contacts, positioned at a lower surface of described upper wiring board；
Wiring board once；
Multiple lower contacts, positioned at a upper surface of described lower wiring board, wherein, the plurality of under connect
Point is located at below the plurality of upper contact respectively, produces described in order to contact with the plurality of upper contact
Multiple push button signallings；And
One wall is positioned between described upper wiring board and described lower wiring board, described many in order to make
Individual upper contact maintains a distance with the plurality of lower contact；And
Multiple diodes, are arranged at the described upper surface of described lower wiring board and are electrically connected in an institute
State lower contact, so that electric current passes through described lower contact from single direction.
10. keyboard as claimed in claim 9 is it is characterised in that each described lower contact electrically connects
In diode described in.
11. keyboards as claimed in claim 9 are it is characterised in that adjacent four described lower contacts
Lower contact wherein described in be electrically connected to diode described in.
12. keyboards as claimed in claim 9 are it is characterised in that described film key switch also wraps
Include multiple first conducting wires and multiple second conducting wire, wherein, each described first conductor wire
Road is the plurality of with what the plurality of lower contact electrically connected in order to the plurality of lower contact of horizontal electrical connection
Diode and the plurality of upper contact above the plurality of lower contact, each described second leads
Electric line is in order to longitudinally to electrically connect described in the plurality of lower contact electrically connected with the plurality of lower contact
Multiple diodes and the plurality of upper contact above the plurality of lower contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510458691.4A CN106406553A (en) | 2015-07-30 | 2015-07-30 | Keyboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510458691.4A CN106406553A (en) | 2015-07-30 | 2015-07-30 | Keyboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106406553A true CN106406553A (en) | 2017-02-15 |
Family
ID=58009330
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510458691.4A Withdrawn CN106406553A (en) | 2015-07-30 | 2015-07-30 | Keyboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106406553A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109727804A (en) * | 2017-10-30 | 2019-05-07 | 致伸科技股份有限公司 | Keyboard |
| CN109994334A (en) * | 2017-12-29 | 2019-07-09 | 致伸科技股份有限公司 | Keyboard |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04277424A (en) * | 1991-03-06 | 1992-10-02 | Fujitsu Ltd | Membrane keyboard |
| CN101427201A (en) * | 2006-04-21 | 2009-05-06 | 雷泽美国有限公司 | Anti-ghosting keyboard |
| TW201505059A (en) * | 2013-07-19 | 2015-02-01 | Primax Electronics Ltd | Luminous keyboard |
-
2015
- 2015-07-30 CN CN201510458691.4A patent/CN106406553A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04277424A (en) * | 1991-03-06 | 1992-10-02 | Fujitsu Ltd | Membrane keyboard |
| CN101427201A (en) * | 2006-04-21 | 2009-05-06 | 雷泽美国有限公司 | Anti-ghosting keyboard |
| TW201505059A (en) * | 2013-07-19 | 2015-02-01 | Primax Electronics Ltd | Luminous keyboard |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109727804A (en) * | 2017-10-30 | 2019-05-07 | 致伸科技股份有限公司 | Keyboard |
| CN109994334A (en) * | 2017-12-29 | 2019-07-09 | 致伸科技股份有限公司 | Keyboard |
| CN109994334B (en) * | 2017-12-29 | 2020-12-04 | 致伸科技股份有限公司 | Keyboard with a keyboard body |
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Application publication date: 20170215 |