CN204652339U - Membrane pushbutton structure and thin film type keyboard - Google Patents
Membrane pushbutton structure and thin film type keyboard Download PDFInfo
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- CN204652339U CN204652339U CN201520379694.4U CN201520379694U CN204652339U CN 204652339 U CN204652339 U CN 204652339U CN 201520379694 U CN201520379694 U CN 201520379694U CN 204652339 U CN204652339 U CN 204652339U
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- 239000012528 membrane Substances 0.000 title claims abstract description 66
- 239000010409 thin film Substances 0.000 title claims abstract description 20
- 239000010408 film Substances 0.000 claims abstract description 156
- 230000001960 triggered effect Effects 0.000 claims abstract description 9
- 230000004888 barrier function Effects 0.000 claims description 14
- 238000004020 luminiscence type Methods 0.000 claims description 11
- 230000009977 dual effect Effects 0.000 claims description 9
- 239000000758 substrate Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 4
- 230000009471 action Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008520 organization Effects 0.000 description 2
- 230000011664 signaling Effects 0.000 description 2
- 229920001807 Urea-formaldehyde Polymers 0.000 description 1
- 229920000180 alkyd Polymers 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
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Abstract
The utility model discloses a kind of membrane pushbutton structure and thin film type keyboard.Membrane pushbutton structure comprises lower film, upper film and pressure-sensing film.Lower film comprises lower contact.Upper film is layed in above lower film, and in order to produce deformation by external force extruding, also contact is close down, and upper film comprises upper contact, upper contact triggered digital signal when upper contact and lower contact connect.Pressure-sensing film is arranged at above film, with upper film and lower film stack, and comprises sensing area.Sensing area changes impedance in order to the size according to external force, and triggers the analog signal of counterpart impedance.Sensing area, upper contact and lower contact are vertical alignments.The analog signal of the strength of membrane pushbutton structure of the present utility model and the exportable digital signal of thin film type keyboard and respective user pressing keys, and there is better practicality.
Description
Technical field
The utility model is relevant with press-key structure and keyboard, is particularly to membrane pushbutton structure and thin film type keyboard.
Background technology
The button of existing keyboard is all adopt digital switch.In other words, each button of existing keyboard only has unlatching (ON) and closes (OFF) two states.When button is in opening (namely being pressed by user), corresponding push button signalling (now signal value is ON) can be triggered; When button is in closed condition (namely non-user pressing), then not trigger key signal (signal value is now OFF).
Due to existing keyboard only exportable digital signal (ON or OFF), and cannot export corresponding analog signal further according to the strength of user's pressing keys, this will reduce the practicality of existing keyboard.
Car race game is carried out to use existing keyboard, when user uses different strength pressing keys repeatedly (to advance to press advance key to control automobile in game) respectively, due to each exported push button signalling all identical (being all ON), the game effect triggered is identical (as in game, automobile is all advance with identical speed) also, and the different game effect (as automobile in game can advance with friction speed with the size of pressing strength) of corresponding different strength cannot be triggered, this makes the recreational not good of game.
Therefore, existing keyboard exist above-mentioned cannot synchronism output digital signal and analog signal problem, and urgently more effective scheme is suggested.
Utility model content
Main purpose of the present utility model is to provide a kind of membrane pushbutton structure and the thin film type keyboard with analog signal output and digital signal output.
For reaching above-mentioned purpose, the utility model provides a kind of membrane pushbutton structure, and this membrane pushbutton structure comprises:
Film once, comprises contact;
Film on one, is layed in above this lower film, and produce deformation and close towards this lower contact by an external force extruding, and on this, film comprises a upper contact, when this upper contact and this lower contact connect, this upper contact triggers a digital signal; And
One pressure-sensing film, with film on this and this lower film stack, comprise a sensing area, this sensing area changes an impedance according to the size of this external force, and triggers should an analog signal of impedance;
Wherein this sensing area, this upper contact and this lower contact are vertical alignments.
This membrane switches also comprises a barrier film, and be layed on this between film and this lower film, this barrier film comprises a location hole of this upper contact of alignment and this lower contact, and this upper contact connects with this lower contact through this location hole.
This pressure-sensing film stack on this above film, accept this external force and going down to film on this.
This membrane switches also comprises a substrate, to be arranged at below this lower film to support this pressure-sensing film, film, this barrier film and this lower film on this.
On this, film and this lower film are flexible printed wiring boards.
This sensing area is made by macromolecular material.
Also comprise a key module structure, be arranged at above this pressure-sensing film, accept this external force and downward this pressure-sensing film of extruding, produce deformation to make this pressure-sensing film and by this external force going down to film on this.
This pressure-sensing film comprises:
Pressure film once; And
Pressure film on one, with this downforce thin film vertical stack, on this, at least one of them is provided with this sensing area for pressure film and this downforce film, and on this, pressure film is in order to produce deformation and in triggering this analog signal with during this downforce film contacts by the extruding of this external force.
The utility model also provides a kind of thin film type keyboard, and this thin film type keyboard comprises:
One link block, in order to connect an outer computer;
One membrane pushbutton structure;
One circuit board, is electrically connected this link block, this pressure-sensing film, film and this lower film on this; And
One microcontroller, be electrically connected at this circuit board, and being electrically connected this link block, this pressure-sensing film, film and this lower film on this via this circuit board, this microcontroller transmits this digital signal and this analog signal that this membrane pushbutton structure triggers to this outer computer via this link block.
Also comprise a mode selector switch, be electrically connected at this circuit board, and be electrically connected this microcontroller via this circuit board, accept a mode switching operation and send a single output mode signal to this microcontroller, this digital signal or this analog signal is transmitted to this outer computer according to this single output mode signal to make this microcontroller, or send a pair of output mode signal to this microcontroller, transmit this digital signal and this analog signal to this outer computer to make this microcontroller according to this dual output mode signal simultaneously.
Also comprise a luminescence component, be electrically connected at this circuit board, and be electrically connected this microcontroller via this circuit board, with luminous when this microcontroller receives from this membrane pushbutton structure this digital signal or this analog signal of being triggered by this microprocessor controls.
The advantage that the utility model has is:
The analog signal of the strength of membrane pushbutton structure of the present utility model and the exportable digital signal of thin film type keyboard and respective user pressing keys, and there is better practicality.
Accompanying drawing explanation
Fig. 1 is the thin film type keyboard Organization Chart of the utility model first specific embodiment.
Fig. 2 is the membrane pushbutton structural representation of the utility model first specific embodiment.
Fig. 3 A is the first action schematic diagram of the membrane pushbutton structure of the utility model first specific embodiment.
Fig. 3 B is the second action schematic diagram of the membrane pushbutton structure of the utility model first specific embodiment.
Fig. 3 C is the 3rd action schematic diagram of the membrane pushbutton structure of the utility model first specific embodiment.
In figure:
1 ... keyboard;
10 ... link block;
12 ... microcontroller;
14 ... circuit board;
140a ... wire;
140b ... wire;
140c ... wire;
16 ... mode selector switch;
18 ... luminescence component;
2 ... membrane pushbutton structure;
20 ... upper film;
200 ... upper contact;
22 ... lower film;
220 ... lower contact;
24 ... pressure-sensing film;
240 ... sensing area;
260 ... barrier film;
2600 ... location hole;
262 ... substrate;
28 ... key-press module;
280 ... keycap;
282 ... elastic parts;
3 ... outer computer.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail, and to make those skilled in the art better can understand the utility model being implemented, but illustrated embodiment is not as to restriction of the present utility model.
Head refers to Fig. 1, and Fig. 1 is the thin film type keyboard Organization Chart of the utility model first specific embodiment.As shown in Figure 1, thin film type keyboard 1(of the present utility model is hereinafter referred to as keyboard 1) mainly comprise link block 10, microcontroller 12, circuit board 14 and a membrane pushbutton structure 2.This microcontroller 12, this link block 10 and this membrane pushbutton structure 2 are arranged at this circuit board 14 same jointly, and this microcontroller 12 is electrically connected this link block 10 and this membrane pushbutton structure 2(as being electrically connected on the pressure-sensing film 24, shown in Fig. 2 film 20 and once film 22 by this circuit board 14).
This link block 10 connects an outer computer 3 to carry out Signal transmissions in order to wire/wireless.Specifically, this link block 10 can be a wireless transport module (as Bluetooth wireless transmission module or infrared and radio transport module), and can directly set up wireless connections with this outer computer 3, or set up these wireless connections to connect this outer computer 3 via the Wireless Transmitter (dongle) being connected this outer computer 3 with detachable.Or this link block 10 can be carried out detachable via a transmission line (as USB (USB) connecting line) and connect this outer computer 30.
This membrane pushbutton structure 2, in time accepting a pressing operation from a user, can trigger a digital signal and to should the analog signal of an external force of pressing operation, and exports this circuit board 14(to and be detailed later).
This microcontroller 12 can receive above-mentioned this digital signal of being triggered and this analog signal via multiple lower contact (multiple lower contact 220 as shown in Figure 2) and this circuit board 14 from multiple upper contacts (malicious dog volume upper contact 200 as shown in Figure 2) of this membrane pushbutton structure 2, and transmits this digital signal and this analog signal to this outer computer 3 via this link block 10.Preferably, after this analog signal can first quantize by this microcontroller 12 (as changed this analog signal into one of them numerical value of 0-15), this outer computer 3 is resent to.
In another embodiment of the present utility model, this keyboard 1 also comprises the mode selector switch 16 being electrically connected this microcontroller 12.Specifically, this mode selector switch 16 is arranged on this circuit board 14, and is electrically connected this microcontroller 12 by this circuit board 14.This mode selector switch 16 in order to accept from the mode switching operation of this user, and sends a single output mode signal or a pair of output mode signal to this microcontroller 12 according to this mode switching operation.
Then, this microcontroller 12 can enter a single output mode according to this received single output mode signal, or enters a pair of output mode according to this dual output mode signal received.Under this single output mode, this microcontroller 12 only transmits this digital signal or this analog signal to this outer computer 3.Under this dual output pattern, this microcontroller 12 can transmit this digital signal and this analog signal to this outer computer 3 simultaneously.
Though in the present embodiment, this single output mode signal and this dual output mode signal are triggered via this mode selector switch 16 of operation, should not limit with this.
In another embodiment of the present utility model, when at least one group of button (this button comprises this upper contact 200 and this lower contact 220) of this membrane pushbutton structure 2 is pressed, trigger this single output mode signal or this dual output mode signal, can switch between this single output mode and this dual output pattern to make this microcontroller 12.In other words, the present embodiment is that this button is considered as this mode selector switch 16.
In another embodiment of the present utility model, this microcontroller 12 also can receive this single output mode signal or this dual output mode signal via this link block 10 from this outer computer 30.Specifically, this outer computer 30 can perform a Keyboard Control program, this user can input this mode switching operation to this outer computer 30, sends this single output mode signal or this dual output mode signal to this keyboard 1 to make this Keyboard Control program according to this mode switching operation.
In another embodiment of the present utility model, this keyboard 1 also comprises a luminescence component 18.This luminescence component 18 is electrically connected this circuit board 14, and is electrically connected this microcontroller 12 via this circuit board 14.
Preferably, this luminescence component 18 be light-emitting diode (LED) and, it is luminous that this microcontroller 12 can control this luminescence component 18 when receive above-mentioned this digital signal of being triggered or this analog signal from this membrane pushbutton structure 2.
Preferably, this keyboard 1 comprises this luminescence component 182 multiple.Further, this luminescence component 182 multiple is that corresponding multiple button is arranged respectively.This luminescence component 182 multiple can be arranged at the upper and position of contiguous this corresponding button of a substrate (substrate 262 as shown in Figure 2), and is electrically connected this circuit board 14 via multiple luminescence component wire (figure does not indicate) and controls to accept this microcontroller 12 via this circuit board 14.
Continue and refer to Fig. 2, Fig. 2 is the membrane pushbutton structural representation of the utility model first specific embodiment.
This membrane pushbutton structure 2 mainly comprises film 20 on this, this lower film 22 and this pressure-sensing film 24.
On this, film 20 comprises the plurality of upper contact 200 (in the present embodiment, being described for four these upper contacts 200).The plurality of upper contact 200 is electrically connected this circuit board 14 via multiple wire 140a respectively.
This lower film 22 is layed on this below film 20, and comprises the plurality of lower contact 220 (in the present embodiment, being described for four these lower contacts 220).The plurality of lower contact 220 is electrically connected this circuit board 14 via multiple wire 140b respectively.Preferably, on this, film 20 and this lower film 22 are flexible printed wiring board (PCB).
Preferably, the plurality of upper contact 200 is respectively to contact 220 should be descended to arrange.Further, when this upper contact 200 of correspondence connects with this lower contact 220, this upper contact 200 can trigger this digital signal above-mentioned.In more detail, this upper contact 200 exports one first electric current to this circuit board 14 using as this digital signal (being detailed later) via this lower contact 220.
This pressure-sensing film 24 comprises multiple sensing area 240 (in the present embodiment, being described for four these sensing areas 240).Respectively this sensing area 240 in time being applied in an external force, can change an impedance, and triggers should an analog signal of impedance.
Specifically, the plurality of sensing area 240 is electrically connected this circuit board 14 via multiple wire 140c respectively, and is made by variable impedance composition (as the macromolecular material such as urea resin or alkyd resin).When respectively this sensing area 240 is applied in this external force, the size with this external force changes by this impedance of this sensing area 240, and then changes the intensity (intensity of this second electric current be to should analog signal) exporting one second electric current of this circuit board 14 to.Whereby, this membrane pushbutton structure 2 of the present utility model can trigger and export this analog signal.
In the utility model, when this external force is larger, this impedance of this sensing area 240 is less, and then the intensity of this second electric current produced is stronger; Otherwise when this impedance of this external force more hour this sensing area 240 is larger, and then the intensity of this second electric current produced is more weak.But, above are only a wherein embodiment of the present utility model, but be not limited.
Preferably, this pressure-sensing film 24 with this on film and this lower thin film vertical stack.Further, each group this sensing area 240, this upper contact 200 and this lower contact 220 are vertical alignments.
Preferably, this pressure-sensing film 24 is stacked on this above film 20, and by this suffered external force going down to film 20 on this, but should can not limit with this.
In another embodiment of the present utility model, this pressure-sensing film 24 also comprise be electrically connected this circuit board 14 one on pressure film (figure do not indicate) and be electrically connected this circuit board 14 and with this on the pressure film once (scheming not indicate) of pressure film vertical stack.Further, on this pressure film and this downforce film at least one of them be provided with the plurality of sensing area 240(as pressure film on this is provided with the plurality of sensing area 240, this downforce film be provided with the plurality of sensing area 240 maybe on this pressure film and this downforce film be provided with the plurality of sensing area 240).Further, on this, pressure film can produce deformation and in triggering this analog signal with during this downforce film contacts by the extruding of this external force.In another embodiment of the present utility model, this pressure-sensing film 24 is stacked over below this lower film 22, and this external force puts on film 20 on this, and is passed to this pressure-sensing film 24 via film on this 20 and this lower film 22.
In another embodiment of the present utility model, this membrane pushbutton structure 2 also comprises a barrier film 260.This barrier film 260 to be layed on this between film 20 and this lower film 22, comprises the plurality of upper contact 200 and the plurality of circuit 140a to intercept film 20(on this) comprise the plurality of lower contact 220 and the plurality of circuit 140b with this lower film 22().Specifically, the setting of this barrier film 260 can avoid the contact of film 20 and this lower film 22 on this or wire directly to connect because of storehouse, and when this membrane pushbutton structure 2 does not accept this external force this digital signal of false triggering.
Preferably, this barrier film 260 made by isolation material, and comprises multiple location holes 2600 (in the present embodiment, being described for four these location holes 2600) of align respectively the plurality of upper contact 200 and the plurality of lower contact 220.Whereby, can deformation be produced when this membrane pushbutton structure 2 is applied in this external force, and make respectively this upper contact 200 be each passed through immediately below respectively this location hole 2600 connect with corresponding respectively this lower contact 220.
In another embodiment of the present utility model, this membrane pushbutton structure 2 also comprises this substrate 262(as plastic hard board).This substrate 262 is arranged at the bottom (as being arranged at below this lower film 22) of this membrane pushbutton structure 2, to support each layer assembly of this membrane pushbutton structure 2 (as this pressure-sensing film 24, film 20, this barrier film 260 and this lower film 22 on this when this membrane pushbutton structure 2 is applied in this external force.）。
In another embodiment of the present utility model, this membrane pushbutton structure 2 also comprises multiple key-press module 28 (in the present embodiment, be described for four these key-press modules 28), the plurality of key-press module 28 is arranged at this membrane pushbutton structure 2 the top (in the present embodiment, be arranged at above this pressure-sensing film 24), in order to directly to accept this external force and to extrude lower layer components downwards (in the present embodiment, for this pressure-sensing film 24), to make lower layer components, this external force is continued going down.In the present embodiment, respectively the setting position of this key-press module 28 be respectively with each group of this sensing area 240 of lower floor, this location hole 2600 of this upper contact 200 and this lower contact 220 vertical alignment, this suffered external force can be passed to each assembly vertically downward whereby.
Preferably, the plurality of key-press module 28 can comprise respectively a keycap 280 and to should keycap 280 arrange an elastic parts 282(as rubber cap or spring).Respectively this keycap 280 is in time being applied in this external force, can extrude this corresponding elastic parts 282 downwards to make this elastic parts 282 produce deformation and via contact, this external force to be passed to lower layer components.
Preferably, the plurality of keycap 280 adopts scissor button structure or guide pin bushing (as cross axle guide pin bushing) structure.
It is worth mentioning that, though in the present embodiment, be described for four groups of buttons (i.e. four these keycaps, 280, four these elastic partss, 282, four these sensing areas, 240, four these upper contacts, 200, four these location holes 2600 and four these lower contacts 220) with this membrane pushbutton structure 2, but should not limit with this, have in technical field described in the utility model and usually know that the knowledgeable can change arbitrarily this number of keys (as this membrane pushbutton structure 2 only comprises single group of button, or comprising 104 groups of buttons) included by membrane pushbutton structure 2 on demand.
Continuous please refer to Fig. 2, Fig. 3 A, Fig. 3 B and Fig. 3 C.Fig. 3 A is the first action schematic diagram of the membrane pushbutton structure of the utility model first specific embodiment.Fig. 3 B is the second action schematic diagram of the membrane pushbutton structure of the utility model first specific embodiment.Fig. 3 C is the 3rd action schematic diagram of the membrane pushbutton structure of the utility model first specific embodiment, in order to illustrate how this membrane pushbutton structure 2 of the present utility model triggers this digital signal and this analog signal.
In the present embodiment, be only comprise single group of button (i.e. this keycap 280 single, this elastic parts 282 single, this sensing area 240 single, this upper contact 200 single, this location hole 2600 single and this lower contact 220 single) for this membrane pushbutton structure 2 to be described.
Further, in the present embodiment, this membrane pushbutton structure 2 is according to this pressure-sensing film 24, the order storehouse from top to bottom of film 20, this barrier film 260, this lower film 22 and this substrate 262 on this.
As shown in Figure 3A, when this user does not press this keycap 280, this keycap 280 is in a reset position.Now, because this sensing area 240 is not applied to this external force any, therefore this impedance of this sensing area 240 can not change, and can not trigger this analog signal.Further, under this state, due to the obstruct of this barrier film 260, this upper contact 200 can not connect with this lower contact 220, and this membrane pushbutton structure 2 can not trigger this digital signal.
As shown in Figure 3 B, when this user applies this external force to this keycap 280, this keycap 206 is extruding this elastic parts 282, this pressure-sensing film 24 and film 20 on this downwards, and make this elastic parts 282, this pressure-sensing film 24 and on this film 20 produce deformation and make this upper contact 200 close towards this lower contact 220.Now, because this sensing area 240 has been applied in this external force, this impedance of this sensing area 240 changes, and can trigger this analog signal of this corresponding current external force.Further, as shown in Figure 3 B, due to this upper contact 200, lower contact 220 connects with this not yet, so time this membrane pushbutton structure 2 can not trigger this digital signal.
As shown in Figure 3 C, when this user continues to increase this external force, this keycap 206 is moved downward to a trigger position, and extrude this elastic parts 282, this pressure-sensing film 24 and film 20 on this, and make this elastic parts 282, this pressure-sensing film 24 and on this film 20 produce deformation, and make this upper contact 200 connect this lower contact 220 through this location hole 2600.Now, because this sensing area 240 is applied in this larger external force, therefore this impedance of this sensing area 240 changes again, and triggers this analog signal (that is, being different from this analog signal in Fig. 3 B) of this corresponding current external force.Further, as shown in Figure 3 C, because this upper contact 200 and this lower contact 220 directly connect, so time this membrane pushbutton structure 2 trigger this digital signal.
The analog signal of the strength of membrane pushbutton structure of the present utility model and the exportable digital signal of thin film type keyboard and respective user pressing keys, and there is better practicality.
The above embodiment is only for absolutely proving the preferred embodiment that the utility model is lifted, and protection range of the present utility model is not limited thereto.The equivalent alternative or conversion that those skilled in the art do on the utility model basis, all within protection range of the present utility model.Protection range of the present utility model is as the criterion with claims.
Claims (11)
1. a membrane pushbutton structure, is characterized in that, this membrane pushbutton structure comprises:
Film once, comprises contact;
Film on one, is layed in above this lower film, and produce deformation and close towards this lower contact by an external force extruding, and on this, film comprises a upper contact, when this upper contact and this lower contact connect, this upper contact triggers a digital signal; And
One pressure-sensing film, with film on this and this lower film stack, comprise a sensing area, this sensing area changes an impedance according to the size of this external force, and triggers should an analog signal of impedance;
Wherein this sensing area, this upper contact and this lower contact are vertical alignments.
2. membrane pushbutton structure according to claim 1, it is characterized in that, this membrane switches also comprises a barrier film, to be layed on this between film and this lower film, this barrier film comprises a location hole of this upper contact of alignment and this lower contact, and this upper contact connects with this lower contact through this location hole.
3. membrane pushbutton structure according to claim 2, is characterized in that, this pressure-sensing film stack on this above film, accept this external force and going down to film on this.
4. membrane pushbutton structure according to claim 3, is characterized in that, this membrane switches also comprises a substrate, to be arranged at below this lower film to support this pressure-sensing film, film, this barrier film and this lower film on this.
5. membrane pushbutton structure according to claim 4, is characterized in that, on this, film and this lower film are flexible printed wiring boards.
6. membrane pushbutton structure according to claim 5, is characterized in that, this sensing area is made by macromolecular material.
7. membrane pushbutton structure according to claim 6, it is characterized in that, also comprise a key module structure, be arranged at above this pressure-sensing film, accept this external force and downward this pressure-sensing film of extruding, produce deformation to make this pressure-sensing film and by this external force going down to film on this.
8. membrane pushbutton structure according to claim 7, is characterized in that, this pressure-sensing film comprises:
Pressure film once; And
Pressure film on one, with this downforce thin film vertical stack, on this, at least one of them is provided with this sensing area for pressure film and this downforce film, and on this, pressure film is in order to produce deformation and in triggering this analog signal with during this downforce film contacts by the extruding of this external force.
9. a thin film type keyboard, is characterized in that, this thin film type keyboard comprises:
One link block, in order to connect an outer computer;
One membrane pushbutton structure as claimed in claim 1;
One circuit board, is electrically connected this link block, this pressure-sensing film, film and this lower film on this; And
One microcontroller, be electrically connected at this circuit board, and being electrically connected this link block, this pressure-sensing film, film and this lower film on this via this circuit board, this microcontroller transmits this digital signal and this analog signal that this membrane pushbutton structure triggers to this outer computer via this link block.
10. thin film type keyboard according to claim 9, it is characterized in that, also comprise a mode selector switch, be electrically connected at this circuit board, and be electrically connected this microcontroller via this circuit board, accept a mode switching operation and send a single output mode signal to this microcontroller, this digital signal or this analog signal is transmitted to this outer computer according to this single output mode signal to make this microcontroller, or send a pair of output mode signal to this microcontroller, transmit this digital signal and this analog signal to this outer computer according to this dual output mode signal to make this microcontroller simultaneously.
11. thin film type keyboards according to claim 10, it is characterized in that, also comprise a luminescence component, be electrically connected at this circuit board, and be electrically connected this microcontroller via this circuit board, with luminous when this microcontroller receives from this membrane pushbutton structure this digital signal or this analog signal of being triggered by this microprocessor controls.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520379694.4U CN204652339U (en) | 2015-06-04 | 2015-06-04 | Membrane pushbutton structure and thin film type keyboard |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520379694.4U CN204652339U (en) | 2015-06-04 | 2015-06-04 | Membrane pushbutton structure and thin film type keyboard |
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| Publication Number | Publication Date |
|---|---|
| CN204652339U true CN204652339U (en) | 2015-09-16 |
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| CN201520379694.4U Active CN204652339U (en) | 2015-06-04 | 2015-06-04 | Membrane pushbutton structure and thin film type keyboard |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106301323A (en) * | 2015-06-04 | 2017-01-04 | 洛卡特股份有限公司 | Membrane pushbutton structure and thin film type keyboard |
| CN107369584A (en) * | 2016-05-13 | 2017-11-21 | 致伸科技股份有限公司 | Press-key structure |
| CN108022785A (en) * | 2016-11-02 | 2018-05-11 | 致伸科技股份有限公司 | Keyboard |
| CN108572737A (en) * | 2017-03-10 | 2018-09-25 | 上海敏传智能科技有限公司 | A kind of waterproof induction keyboard |
-
2015
- 2015-06-04 CN CN201520379694.4U patent/CN204652339U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106301323A (en) * | 2015-06-04 | 2017-01-04 | 洛卡特股份有限公司 | Membrane pushbutton structure and thin film type keyboard |
| CN107369584A (en) * | 2016-05-13 | 2017-11-21 | 致伸科技股份有限公司 | Press-key structure |
| CN107369584B (en) * | 2016-05-13 | 2020-07-10 | 致伸科技股份有限公司 | Key structure |
| CN108022785A (en) * | 2016-11-02 | 2018-05-11 | 致伸科技股份有限公司 | Keyboard |
| CN108572737A (en) * | 2017-03-10 | 2018-09-25 | 上海敏传智能科技有限公司 | A kind of waterproof induction keyboard |
| CN108572737B (en) * | 2017-03-10 | 2022-03-25 | 上海敏传智能科技有限公司 | Waterproof induction keyboard |
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