CN202678174U - Thin film switch and button and keyboard possessing thin film switch - Google Patents
Thin film switch and button and keyboard possessing thin film switch Download PDFInfo
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- CN202678174U CN202678174U CN 201220228991 CN201220228991U CN202678174U CN 202678174 U CN202678174 U CN 202678174U CN 201220228991 CN201220228991 CN 201220228991 CN 201220228991 U CN201220228991 U CN 201220228991U CN 202678174 U CN202678174 U CN 202678174U
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Abstract
本实用新型涉及一种薄膜开关以及具有该薄膜开关的按键与键盘，薄膜开关包含第一薄膜、第二薄膜及第三薄膜，第一薄膜其中一面设有至少一第一导电体，第二薄膜其中一面设有复数个第二导电体，第二导电体的其中之一设置于第一位置，其中另一设置于第二位置，第三薄膜设置于第一薄膜与第二薄膜间，于第三薄膜其中一面设有第三导电体，于另一面设有第四导电体，当施力使第一薄膜与第二薄膜相对靠近，可使至少一第一导电体与第三导电体接触而形成电性导通，及/或使第四导电体依次与复数个第二导电体接触而形成电性导通。本实用新型将多层开关结合为一层，藉由施力大小不同，触发薄膜开关不同导电体位置，按压单一按键时，可得到不同信号输出。
The utility model relates to a membrane switch and a button and a keyboard with the membrane switch. The membrane switch comprises a first membrane, a second membrane and a third membrane, one side of the first membrane is provided with at least a first conductor, the second membrane One side is provided with a plurality of second conductors, one of the second conductors is set at the first position, the other is set at the second position, the third film is set between the first film and the second film, and at the first One side of the three films is provided with a third conductor, and the other side is provided with a fourth conductor. When a force is applied to make the first film and the second film relatively close, at least one of the first conductors can be brought into contact with the third conductor. Forming electrical conduction, and/or making the fourth conductor sequentially contact with a plurality of second conductors to form electrical conduction. The utility model combines multi-layer switches into one layer, and triggers the positions of different conductors of the membrane switch by applying different forces. When a single button is pressed, different signal outputs can be obtained.
Description
Technical field
The utility model is relevant for a kind of thin film switch and button and keyboard with this thin film switch, espespecially a kind of multi-layer switcher is combined into one deck, vary in size by the application of force, the different electric conductors of thin film switch position be can trigger, the thin film switch of unlike signal output and button and the keyboard with this thin film switch obtained.
Background technology
Therefore thin film switch (thin film switch) is widely used in various electronic products in recent years because volume is frivolous, and especially the sound that produces when pressing of thin film switch is minimum, especially is applicable to button or the keyboard of various devices.
The structure of general thin film switch mainly comprises two films, opposite position in the face of two film relative orientations is respectively equipped with electric conductor, two electric conductors set by two film opposite positions consist of one group of switch, this electric conductor is connected in circuit set on the film, when the electric conductor of pressing film and make opposite position is in contact with one another, can form and electrically conduct, that is touch this group switch.With known button with thin film switch, by a button cap structure corresponding to one group of electric conductor, when pressing keycap, can touch one group of switch, in like manner, with regard to known keyboard with thin film switch, although be provided with a plurality of buttons on keyboard, each button only can touch one group of switch.In other words, the user can only export a signal when pressing a button.When the user with keyboard during as the control device of computer game, different actions must be by pressing different key control, for example, starting switch (ON/OFF) is responsible for by a button, if and will control the action of four of upper and lower, left and right the time, must control four buttons, operation and control are all very inconvenient.
The utility model content
Disappearance in view of known techniques, the button and the keyboard that the utility model proposes a kind of thin film switch and have this thin film switch are combined into one deck with multi-layer switcher, vary in size by the application of force, can trigger the different electric conductors of thin film switch position, obtain unlike signal output.
For achieving the above object, the utility model proposes a kind of thin film switch, comprise: the first film, in this first film wherein the one side be provided with the first conductive unit, this first conductive unit is made of at least one the first electric conductor;
The second film, wherein one side in this second film is provided with the second conductive unit, this second conductive unit is made of a plurality of the second electric conductors, one of them this second electric conductor is arranged at the primary importance of this second film, wherein another this second electric conductor is arranged at the second place of this second film, has the first distance between this primary importance and this second place; And
The 3rd film, be arranged between this first film and this second film, the 3rd film has relative two sides, wherein simultaneously be provided with the 3rd electric conductor in the 3rd film, another side in the 3rd film is provided with the 4th electric conductor, the 3rd film is provided with this face that should be provided with facing to this first film this first electric conductor of the 3rd electric conductor, the 3rd electric conductor is mutually corresponding with the position of this at least one the first electric conductor, has the first spacing between the 3rd electric conductor and this at least one the first electric conductor, the 3rd film is provided with this face that should be provided with facing to this second film these a plurality of the second electric conductors of the 4th electric conductor, the 4th electric conductor is mutually corresponding with the position of these a plurality of the second electric conductors, has the second spacing between the 4th electric conductor and this a plurality of the second electric conductors;
Wherein, this first film and this second film stressed and relative near the time, this at least one first electric conductor contacts with the 3rd electric conductor and forms and electrically conduct, and/or the 4th electric conductor is contacted with these a plurality of second electric conductors successively and forms and electrically conduct.
As optional technical scheme, this first conductive unit is made of a plurality of the first electric conductors, one of them of these a plurality of the first electric conductors and this a plurality of the first electric conductors wherein another is forked, and should a plurality ofly be the forked interspersed setting of this first electric conductor.
As optional technical scheme, this second electric conductor that is arranged at this primary importance is rounded, and this second electric conductor that is arranged at this second place is circular arc, and this this second electric conductor that is circular arc is concentric with this this rounded second electric conductor.
As optional technical scheme, be arranged at these two second electric conductors of this primary importance and this second place twist, these two interspersed settings of helical these second electric conductors.
As optional technical scheme, this the first film is provided with the first circuit, this first circuit is connected with this at least one first electric conductor, this second film is provided with second circuit, this second circuit is connected with these a plurality of second electric conductors, and this at least one first electric conductor contacts with the 3rd electric conductor and forms when electrically conducting, and this first circuit simultaneously electrically conducts, these a plurality of second electric conductors contact with the 4th electric conductor and form when electrically conducting, and this second circuit simultaneously electrically conducts.
As optional technical scheme, the two sides that the 3rd film is relative wherein at least simultaneously is provided with circuit, and this this circuit that is arranged at the 3rd film is connected with set this electric conductor of this face that places.
As optional technical scheme, be provided with the first wall between this first film and the 3rd film, this first wall has the first perforate, this first perforate is corresponding to the position of this at least one first electric conductor and the 3rd electric conductor, be provided with the second wall between this second film and the 3rd film, this second wall has the second perforate, and this second perforate is corresponding to the position of the 4th electric conductor with these a plurality of the second electric conductors.
The utility model also proposes a kind of switch key, comprises: substrate; Thin film switch is arranged at the one side of this substrate, and this thin film switch is aforesaid thin film switch; Keycap is arranged at this thin film switch with respect to the one side that is provided with this substrate; Elastic component is arranged between this keycap and this substrate, and this elastic component has male member, and the position of this male member is corresponding to this first conductive unit, and this male member has central axis; And supporting construction, be arranged between this keycap and this substrate, and be movably connected this keycap and this substrate so that this keycap this substrate is up and down relatively; When forcing in this keycap, driving this male member moves along this central axial direction, this male member contacts with this thin film switch, this at least one first electric conductor is contacted with the 3rd electric conductor and form to electrically conduct, and/or the 4th electric conductor is contacted with these a plurality of second electric conductors successively and form and electrically conduct.
As optional technical scheme, this supporting construction is scissor supporting construction, this supporting construction is mutually articulated by the first support and the second support and consists of, this first support has relative two ends, mobilizable this keycap that is connected in of a wherein end of this first support, mobilizable this substrate that is connected in of the wherein other end of this first support, this second support has relative two ends, mobilizable this keycap that is connected in of a wherein end of this second support, mobilizable this substrate that is connected in of the wherein other end of this second support, this elastic component is arranged in this scissor supporting construction.
The utility model also proposes a kind of thin film switch keyboard, comprises the plurality of films switch key, and at least one of them switch key of this plurality of films switch key is aforesaid switch key.
For making your juror for structure purpose of the present utility model and effect further understanding and approval be arranged, hereby cooperate diagram to be described in detail as follows.
Description of drawings
Fig. 1 is the cross-sectional view of an embodiment of the utility model thin film switch.
Fig. 2 is the structural representation of an embodiment of the utility model thin film switch the first film.
Fig. 3 is the structural representation of an embodiment of the utility model thin film switch the second film.
Fig. 4 be the utility model thin film switch the 3rd film an embodiment wherein the one side structural representation.
Fig. 5 is the structural representation of the relatively other one side of an embodiment of the utility model thin film switch the 3rd film.
Fig. 6 is the structural representation of an embodiment of the utility model switch key.
Fig. 7 is the cross-sectional view of another embodiment of the utility model thin film switch.
Fig. 8 is the structural representation of another embodiment of the utility model thin film switch the first film.
Fig. 9 is the structural representation of the utility model thin film switch second another embodiment of film.
Figure 10 is the wherein structural representation of one side of another embodiment of the utility model thin film switch the 3rd film.
Figure 11 is the relatively in addition structural representation of one side of another embodiment of the utility model thin film switch the 3rd film.
Figure 12 is the structural representation of another embodiment of the utility model switch key.
Embodiment
Hereinafter with reference to the graphic the utility model of describing of enclosing for reaching the employed technological means of purpose and effect, and following graphic cited embodiment only is aid illustration, your understand in order to juror, but that the technological means of this case is not limited to is cited graphic.
See also shown in Figure 1ly, thin film switch 10 provided by the utility model comprises the first film 11, the second film 12 and the 3rd film 13.
See also Figure 1 and Figure 2,113 be provided with the first conductive unit in the wherein one side of the first film 11, this first conductive unit is made of at least one the first electric conductor; In present embodiment, the first conductive unit is made of first electric conductor 111, and the first electric conductor 111 is rounded, and the first electric conductor 111 is connected in the first circuit 112.
See also Fig. 1 and shown in Figure 3, wherein one side 125 in the second film 12 is provided with the second conductive unit, in present embodiment, the second conductive unit is made of two the second electric conductors 121,122, and the second electric conductor 121,122 is connected to second circuit 123,124.One of them second electric conductor 121 is rounded, and another second electric conductor 122 is circular arc, and this second electric conductor 122 that is circular arc is concentric with the second rounded electric conductor 121, and the second electric conductor 121,122 roughly consists of circular conductive area.The second electric conductor 121,122 is arranged at respectively primary importance and the second place of the second film 12, has first apart from d1 between the second electric conductor 121 of this primary importance and the second electric conductor 122 of the second place.
See also Fig. 1 and Fig. 4, shown in Figure 5, the 3rd film 13 is arranged between the first film 11 and the second film 12, the 3rd film 13 has relative two sides 135,136, the 3rd film 13 relative two sides 135,136 wherein at least simultaneously are provided with circuit, and this this circuit that is arranged at the 3rd film 13 is connected with set this electric conductor of this face that places.In the present embodiment, the wherein one side 135 in the 3rd film 13 is provided with the 3rd electric conductor 131, the three electric conductors 131 and is connected in tertiary circuit 133.In the another side 136 of the 3rd film 13 be provided with the 4th electric conductor 132, the three electric conductors 131 and the 4th electric conductor 132 all rounded, the 4th electric conductor 132 is connected in the 4th circuit 134.What the 3rd film 13 was provided with the 3rd electric conductor 131 is provided with the face of the first electric conductor 111 facing to the first film 11, and the 3rd electric conductor 131 is mutually corresponding with the position of the first electric conductor 111.Between the first film 11 and the 3rd film 13, be provided with the first wall 14, make between the 3rd electric conductor 131 and this first electric conductor 111 and have the first spacing d2, the first wall 14 has the first perforate 141, the first perforates 141 corresponding to the position of the first electric conductor 111 and the 3rd electric conductor 131.What the 3rd film 14 was provided with the 4th electric conductor 132 is provided with these a plurality of second electric conductors 121,122 face facing to the second film 12, the 4th electric conductor 132 and these a plurality of second electric conductors 121,122 position are mutually corresponding, between the second film 12 and the 3rd film 13, be provided with the second wall 15, make between the 4th electric conductor 132 and this a plurality of the second electric conductors 121,122 and have the second spacing d3, the second wall 15 has the second perforate 151, the second perforates 151 corresponding to the 4th electric conductor 132 and these a plurality of second electric conductors 121,122 position.
When thin film switch 10 was not subject to external force pressure, the 3rd electric conductor 131 was separated from each other with this first electric conductor 111, presents non-conductive state, simultaneously, the 4th electric conductor 132 is separated from each other with these a plurality of second electric conductors 121,122, presents non-conductive state, as shown in Figure 1.Mandatory declaration be, in Fig. 1, for clearly showing the relativeness of the first electric conductor 111, the second electric conductor 121, the 122, the 3rd electric conductor 131 and the 4th electric conductor 132, therefore do not show the first circuit 112, second circuit 123,124, tertiary circuit 133 and the 4th circuit 134 of Fig. 2 to Fig. 5.
See also shown in Figure 6, switch key provided by the utility model, it comprises thin film switch 10, substrate 20, keycap 30, elastic component 40 and supporting construction 50.Thin film switch 10 is arranged at the one side of substrate 20, and keycap 30 is arranged at thin film switch 10 with respect to be provided with substrate 20 one side, and elastic component 40 is arranged between keycap 30 and the substrate 20 (that is this thin film switch 10).In present embodiment, thin film switch 10 is arranged at the end face of substrate 20, and keycap 30 is arranged at the end face of thin film switch 10, and elastic component 40 is arranged between keycap 30 and the substrate 20.
The structure of thin film switch 10 is identical with the structure of thin film switch 10 shown in Figure 1 among Fig. 6.Thin film switch 10 comprises the first film 11, the second film 12 and the 3rd film 13.Be provided with the first electric conductor 111 in the first film 11.Be provided with the second electric conductor 121,122 in the second film 12, be respectively equipped with the 3rd electric conductor 131, the 4th electric conductor 132 in the 3rd film 13 relative two sides.Between the first film 11 and the 3rd film 13, be provided with the first wall 14, between the 3rd film 13 and the second film 12, be provided with the second wall 15.
Supporting construction 50 is scissor supporting construction, it mutually intersects pivot joint by the first support 51 and the second support 52 and consists of, the first support 51 has relative two ends, the mobilizable keycap 30 that is connected in of a wherein end (that is top) of the first support 51, mobilizable one of them grab 21 that is connected in substrate 20 of the other end of the first support 51 (that is bottom), the second support 52 has relative two ends, the mobilizable keycap 30 that is connected in of a wherein end (that is top) of the second support 52, mobilizable another grab 22 that is connected in substrate 20 of the other end of the second support 52 (that is bottom), elastic component 40 is arranged in the scissor supporting construction.Supporting construction 50 is arranged between keycap 30 and the substrate 20, and mobilizable connection keycap 30 and substrate 20 make the keycap 30 can be up and down with respect to substrate 20 (that is with respect to thin film switch 10).When the user presses keycap 30, can drive male member 41 and move with thin film switch 10 along the direction of its central axis 41C and contact, and oppress in the first film 11, and then make the first film 11 and the 3rd film 13, the second film 12 relative close.
Characteristics of the present utility model are, the user can control power voluntarily, the first electric conductor 111 is contacted with the 3rd electric conductor 131 and form and electrically conduct, and/or the 4th electric conductor 132 is contacted with the second electric conductor 121,122 successively and form and electrically conduct, the utlity model has as can be known the multiple state that electrically conducts by following table:
The first strength to third force represents the strength that the user presses on keycap 30 shown in the upper table, and its power is cumulative to third force by the first strength, the electric conductor that " V " representative can be in contact with one another.
When the user presses different strength in keycap 30, can change male member 41 and oppress in the deflection of the first film 11, change the contact area of male member 41 and the first film 11, with second electric conductor 121,122 of collocation concentric design.By above-mentioned characteristic, when the user imposes the lightest the first strength of power, the first electric conductor 111 is contacted with the 3rd electric conductor 131 form electrically conduct and electrically conduct simultaneously the first circuit 112 and tertiary circuit 133 (being shown among Fig. 2, Fig. 4), the second electric conductor 121,122 contacts with the 4th electric conductor 132 but the first strength is less than, this moment exportable first signal, this first signal can be the ON/OFF switching signal.
When the user imposes slightly large the second strength of power, not only the first electric conductor 111 and the 3rd electric conductor 131 continue conducting, the formation that contacts with the second electric conductor 121 that is positioned at the center of the 4th electric conductor 132 is electrically conducted, and electrically conduct simultaneously the 4th circuit 134 and second circuit 123 (are shown in Fig. 3, among Fig. 5), can export secondary signal this moment, when the user imposes third force, can improve male member 41 deflections, male member 41 and the contact area of the first film 11 are strengthened, therefore the 4th electric conductor 132 can be simultaneously and the second electric conductor 121,122 contacts and form electrically conduct, and when these a plurality of second electric conductors 121,122 contact with the 4th electric conductor 132 and form when electrically conducting, second circuit 123 simultaneously can electrically conduct, 124 (being shown among Fig. 3), as above shown in the table, the user imposes respectively first during to three kinds of strength of C grade, exportable three kinds of unlike signals.
In addition, in present embodiment, the first film 11 is arranged at the upper strata, the second film 12 is arranged at lower floor, therefore when pressing keycap 30, at first touch the first electric conductor 111 and the 3rd electric conductor 131, accordingly, if thin film switch 10 is spun upside down, make the first film 11 be positioned at lower floor, the second film 12 is positioned at the upper strata, when the user imposes different strength in keycap 30, can make successively the second electric conductor 121,122 contact formation with the 4th electric conductor 132 electrically conducts, when the user imposes peak power (that is third force of upper table) to keycap 30, the first electric conductor 111 is contacted with the 3rd electric conductor 131, and the second electric conductor 121,122 contact with the 4th electric conductor 143.
See also another example structure of thin film switch of the present utility model shown in Figure 7, thin film switch 10A comprises the first film 11A, the second film 12A and the 3rd film 13A.
See also Fig. 7 and shown in Figure 8, wherein one side 115A in the first film 11A is provided with the first conductive unit, in present embodiment, the first conductive unit is made of two the first electric conductor 111A, 112A, the first electric conductor 111A, 112A all are forked, and these are a plurality of to be forked the first electric conductor 111A, 112A and to intert and arrange, and the first electric conductor 111A, 112A roughly consist of circular conductive area, and the first electric conductor 111A, 112A are connected to the first circuit 113A, 114A.In Fig. 8, the first electric conductor 111A and the first circuit 113A of connecting thereof are indicated with oblique line, clearly to separate with another the first electric conductor 112A and the first circuit 114A of being connected thereof.
See also Fig. 7 and shown in Figure 9, wherein one side 125A in the second film 12A is provided with the second conductive unit, in present embodiment, the second conductive unit is made of two the second electric conductor 121A, 122A, and the second electric conductor 121A, 122A are connected to second circuit 123A, 124A.The second electric conductor 121A, 122A are arranged at respectively primary importance, the second place of the second film 12A, the second electric conductor 121A, 122A are all twist, these two interspersed settings of helical the second electric conductor 121A, 122A consist of roughly rounded conductive region by the second electric conductor 121A, 122A.In Fig. 9, the second electric conductor 121A and the second circuit 123A that connects thereof are indicated with oblique line, clearly to separate with another the second electric conductor 122A and the second circuit 124A that is connected thereof.
See also Fig. 7 and Figure 10, shown in Figure 11, the 3rd film 13A is arranged between the first film 11A and the second film 12A, be respectively equipped with the 3rd electric conductor 131A, the 4th electric conductor 132A in the 3rd film 13A relative two sides 135A, 136A, the 4th electric conductor 132A is connected in the 4th circuit 134A, and the 3rd electric conductor 131A and the 4th electric conductor 132A are all rounded.Between the first film 11A and the 3rd film 13A, be provided with the first wall 14A, make between the 3rd electric conductor 131A and this a plurality of the first electric conductor 111A, the 112A and have the first spacing d2, the first wall 14A has the first perforate 141A, and the first perforate 141A is corresponding to the position of this a plurality of the first electric conductor 111A, 112A and the 3rd electric conductor 131A.Between the second film 12A and the 3rd film 13A, be provided with the second wall 15A, make between the 4th electric conductor 132A and this a plurality of the second electric conductor 121A, the 122A and have the second spacing d3, the second wall 15A has the second perforate 151A, and the second perforate 151A is corresponding to the position of the 4th electric conductor 132A with this a plurality of the second electric conductor 121A, 122A.
Present embodiment thin film switch 10A is except the structure of the first film 11A, the second film 12A and the 3rd film 13A is different from Fig. 1 thin film switch 10 embodiment, another characteristics of present embodiment are the first film 11A is arranged at bottom, and the second film 12A is arranged at top layer.
See also shown in Figure 12, it has the switch key of thin film switch 10A shown in Figure 7, thin film switch 10A is arranged at the one side of substrate 20, extends upward in substrate 20 two grabs 21,22 are set establish the first support 51 and second support 52 of supporting construction 50 in order to hook.Keycap 30 is arranged on the substrate 20, and elastic component 40 has male member 41 towards the one side of this thin film switch 10A, and male member 41 has central axis 41C.
Present embodiment is owing to be arranged at bottom with the first film 11A, the second film 12A is arranged at top layer, therefore when the user presses keycap 30, can drive male member 41 moves with thin film switch 10A along the direction of its central axis 41C and contacts, and oppress in the second film 12A, and then make the second film 12A relative close with the 3rd film 13A, the first film 11A.
The state that electrically conducts of present embodiment is as shown in the table:
The first strength to third force represents the strength that the user presses on keycap 30 shown in the upper table, and its power is cumulative to third force by the first strength, the electric conductor that " V " representative can be in contact with one another.
When the user presses different strength in keycap 30, can change male member 41 and oppress in the deflection of the second film 12A, change the contact area of male member 41 and the second film 12A, therefore can control different electric conductors and be in contact with one another, with the output unlike signal.As for the signal kinds of exporting, decide according to the side circuit design, for example, the exportable two kinds of unlike signals of the second electric conductor 121A, 122A and the 4th electric conductor 132A, the 3rd electric conductor 131A and the first electric conductor 111A, 112A are in order to export the ON/OFF switching signal.In addition, see also shown in Figure 9ly, present embodiment is the second electric conductor 121A, 122A design and mutually interts the spirality that arranges, and can solve the jitter that the press points skew causes.
Above-mentioned Fig. 6 and Figure 12 all show single switch key, with shown in switch key structure when being implemented on a plurality of switch key of keyboard, can provide keyboard to have the keyboard of multi-functional, diversified signal output function.
In sum, the thin film switch that the utility model provides and button and keyboard with this thin film switch, multi-layer switcher is combined into one deck, vary in size by the application of force, can trigger the different electric conductors of thin film switch position, make when pressing one key, can obtain unlike signal output, can improve button and keyboard applications scope.
Certainly; the utility model also can have other various embodiments; in the situation that does not deviate from the utility model spirit and essence thereof; those of ordinary skill in the art can make various corresponding changes and distortion according to the utility model, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the utility model.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220228991 CN202678174U (en) | 2012-05-21 | 2012-05-21 | Thin film switch and button and keyboard possessing thin film switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220228991 CN202678174U (en) | 2012-05-21 | 2012-05-21 | Thin film switch and button and keyboard possessing thin film switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202678174U true CN202678174U (en) | 2013-01-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220228991 Expired - Fee Related CN202678174U (en) | 2012-05-21 | 2012-05-21 | Thin film switch and button and keyboard possessing thin film switch |
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| Country | Link |
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| CN (1) | CN202678174U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103337432A (en) * | 2013-05-13 | 2013-10-02 | 苏州达方电子有限公司 | Key switch combination with analog signal output |
| CN107154320A (en) * | 2016-03-02 | 2017-09-12 | 致伸科技股份有限公司 | Keyboard |
| CN107246930A (en) * | 2017-06-20 | 2017-10-13 | 深圳市力合鑫源智能技术有限公司 | A kind of thin film flexible force-sensing sensor |
-
2012
- 2012-05-21 CN CN 201220228991 patent/CN202678174U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103337432A (en) * | 2013-05-13 | 2013-10-02 | 苏州达方电子有限公司 | Key switch combination with analog signal output |
| CN107154320A (en) * | 2016-03-02 | 2017-09-12 | 致伸科技股份有限公司 | Keyboard |
| CN107246930A (en) * | 2017-06-20 | 2017-10-13 | 深圳市力合鑫源智能技术有限公司 | A kind of thin film flexible force-sensing sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130116 Termination date: 20190521 |