CN101131900A - Two-stage push switch - Google Patents
Two-stage push switch Download PDFInfo
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- CN101131900A CN101131900A CNA2007101426302A CN200710142630A CN101131900A CN 101131900 A CN101131900 A CN 101131900A CN A2007101426302 A CNA2007101426302 A CN A2007101426302A CN 200710142630 A CN200710142630 A CN 200710142630A CN 101131900 A CN101131900 A CN 101131900A
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- contact
- fixed contact
- travelling contact
- travelling
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Abstract
The present invention provides a two-stage button switch capable of setting large stroke of push operation, capable of ensuring over stroke, and capable of restraining needless noise generation when the switch closing and breaking. The two-stage button switch has: a driving component keeping a general movable contact conducting with a common fixed contact always, a first moveable contact conducting with a first separated vertical fixed contact selectively, a second moveable contact conducting with a second separated vertical fixed contact selectively, and being capable of sliding into a container part of a casing, wherein the general contact, the first moveable contact and the second moveable contact are integrated connected each other; a operation component with cam part capable of processing the pushing operation to make the driving component slide; a force applying component one end conducting with the common fixed contact, the other end conducting with the general moveable contact, and applying elastic force to the driving component.
Description
Technical field
The present invention relates to a kind of two-stage button switch that is applicable to minicams such as digital camera.
Background technology
Be disclosed in the patent documentation 1 as this prior art.The structure of the prior art is: configuration center fixed contact and peripheral fixed contact in switch enclosure, according to first travelling contact that has the elastic metallic thin plate system of annular element with these center fixation contacts, mode that peripheral fixed contact is relative, one possesses the second dome travelling contact of metal on this first travelling contact, simultaneously, the driving body that possesses pressing operation second travelling contact.
In this prior art, when pushing driving body, this pressing force passes to first travelling contact by second travelling contact, this first travelling contact deflection and with peripheral fixed contact conducting, thereby first order switch closure.When further pushing driving body, the upset of dome second travelling contact is by the hole that the central authorities at the annular element of first travelling contact form, this second travelling contact and the conducting of center fixation contact, thereby second level switch closure.Like this, by driving body is applied pressing force, make the first order, second level switch closed successively.
Patent documentation 1: TOHKEMY 2003-338231 communique.
There are the following problems for above-mentioned prior art: the stroke of driving body is mainly determined by the deflection of first travelling contact and the upset amount of second travelling contact.Therefore, for example when being installed in the shutter position of minicam,, also being difficult to the earth and guaranteeing its stroke, thereby cause the operating characteristics deterioration of minicam shutter even when the stroke when the shutter pressing operation is guaranteed in hope is big.
In addition, the stroke of driving body becomes total travel when second travelling contact overturns, and, can not guarantee overtravel (over stroke) that is, and at this moment, driving body will stop to impact.Therefore, for example when being located at minicam shutter position, can taking place to touch shake during at pressing operation, thereby the anxiety that can not obtain qualitative picture is arranged to overtravel.
And then also there are the following problems, produces card tower sound when second travelling contact overturns, therefore, under situation about for example being located on the minicam, when pressing operation during, in the image that this minicam is taken, can sneak into above-mentioned card tower sound, thereby can not obtain good image to overtravel.
Summary of the invention
The present invention develops in view of above-mentioned existing issue, and its purpose is, a kind of stroke when can the earth setting pressing operation is provided, and guarantees overtravel, and then the two-stage button switch of unwanted sound takes place when disconnecting the closure that can be suppressed at switch.
For realizing this purpose, the invention provides a kind of two-stage button switch, it is characterized in that possessing: housing with accommodation section; Be formed in the described accommodation section of this housing and common fixed contact insulated from each other, the first discrete fixed contact, and the second discrete fixed contact; With the general travelling contact of described common fixed contact conducting always, with first travelling contact of the described first discrete fixed contact selectivity conducting and with second travelling contact of the described second discrete fixed contact selectivity conducting, and described general travelling contact, first travelling contact and second travelling contact are connected to each other; Keep described general travelling contact, described first travelling contact and described second travelling contact, and the driver part that can in the described accommodation section of described housing, slide; Can make the functional unit of the pressing operation of this driver part slip; And force application part, it is disposed in the described accommodation section of described housing, one end and described common fixed contact conducting, the other end and described general travelling contact conducting, and can apply elastic force to described driver part, wherein, dispose the described first discrete fixed contact in the following manner, described first travelling contact, the described second discrete fixed contact and described second travelling contact, promptly, pressing operation by described functional unit, remain in described first travelling contact and the described first discrete fixed contact conducting on the described driver part, by the further pressing operation of described functional unit, described second travelling contact and the described second discrete fixed contact conducting.
The present invention of Gou Chenging like this, when functional unit was carried out pressing operation, driver part can be resisted the thrust of force application part and slide in the housing accommodation section.That is, general travelling contact, first travelling contact and second travelling contact that is driven the parts maintenance slides respectively.Therebetween, general travelling contact and shared fixed contact keep the state of conducting always.When above-mentioned driver part slides, at first, first travelling contact and the first discrete fixed contact.Thus, make the first discrete fixed contact and common fixed contact conducting by first travelling contact and general travelling contact, thus first order switch closure.When driver part is done further to slide, second travelling contact and the second discrete fixed contact conducting.Thus, by second travelling contact and general travelling contact, the second discrete fixed contact and common fixed contact conducting, thereby second level switch closure.Like this, by the pressing operation of functional unit, driver part slides in the housing accommodation section, can make the first order, second level switch closure.
Aforesaid the present invention remains in first travelling contact on the driver part by suitable setting and is formed at the configuration relation of the first discrete fixed contact on the housing and remains in second travelling contact on the driver part and be formed at the configuration relation of the second discrete fixed contact on the housing, the stroke of functional unit when pressing operation can be strengthened, overtravel can be easily guaranteed simultaneously.In addition, owing to come closure, disconnect the first order, second level switch by the slip that remains on general travelling contact, first travelling contact and second travelling contact on the driver part, therefore, the generation of unwanted noise in the time of can being suppressed at switch closure, disconnection.
The present invention is characterized in that on the basis of foregoing invention, possesses the cap assembly of the described accommodation section that covers described housing, and possesses the clamping device that described cap assembly and described housing card are ended.The present invention of Gou Chenging can realize the protection of contact portions by cap assembly like this.
The present invention is characterized in that having cam part on described functional unit or described driver part on the basis of foregoing invention, this cam part forms the inclined plane of the described driver part of slide, and this cam part has the stage portion that can apply the sense that pauses.The present invention of Gou Chenging can easily guarantee desirable pause sense by the angle on the inclined plane of suitable setting cam part and the shape of stage portion like this.
The present invention is characterized in that on the basis of foregoing invention, clips described common fixed contact and disposes the described first discrete fixed contact and the described second discrete fixed contact.The present invention of Gou Chenging can guarantee stable structure like this.
In the present invention, the general travelling contact that possesses the pressing operation of attended operation parts and slide, first travelling contact and second travelling contact, in the accommodation section of housing, be formed with the common fixed contact of general travelling contact conducting always, the first discrete contact of the first travelling contact selectivity conducting, and the second discrete fixed contact of the second travelling contact selectivity conducting, when functional unit carries out pressing operation, at first, first travelling contact and the first discrete fixed contact conducting, second travelling contact and the second discrete fixed contact conducting then, therefore, by the configuration relation of first travelling contact and the first discrete fixed contact with due regard to, the configuration relation of second travelling contact and the second discrete fixed contact, the stroke when but the earth is set pressing operation can easily be guaranteed overtravel simultaneously.
As mentioned above, owing to can guarantee stroke by the earth, so when being located at the shutter position of minicam, compared with prior art, can improve operability.In addition, owing to can guarantee overtravel, thus when being located at the shutter position of minicam, can as prior art, when operating, total travel not impact, thus avoid touching shake, compared with prior art, can obtain preferable image.And then, owing to do not possess the dome travelling contact of metal, and only need just can implement the closed and disconnected of switch by the slip of general travelling contact, first travelling contact and second travelling contact, so, when this switch carries out closure, when disconnecting, can avoid producing noise, in the time of on being located at minicam, noise can be do not sneaked in the image, compared with prior art, preferable image can be obtained.
Description of drawings
Fig. 1 is the exploded perspective view that an execution mode of two-stage button switch of the present invention is shown.
Fig. 2 is the schematic diagram of present embodiment, and (a) figure is a vertical view, and (b) figure is an end view, and (c) figure is a front view, and (d) figure is the A-A profile of (a) figure.
Fig. 3 is the main position enlarged drawing of (d) figure among Fig. 2.
Fig. 4 is the main position vertical view that the initial condition of present embodiment is shown.
Fig. 5 is the C-C profile of Fig. 4.
Fig. 6 is the B-B profile of Fig. 4.
Fig. 7 is the action schematic diagram of present embodiment, is the main position vertical view of the state when first order switch motion is shown.
Fig. 8 is the D-D profile of Fig. 7.
Fig. 9 is the E-E profile of Fig. 7.
Figure 10 is the H-H profile of Fig. 7.
Figure 11 is the action schematic diagram of present embodiment, is the figure of the state when second level switch motion is shown.
Figure 12 is the F-F profile of Figure 11.
Figure 13 is the G-G profile of Figure 11
Figure 14 is the I-I profile of Figure 11.
The stroke of the functional unit that Figure 15 is in the present embodiment to be possessed and switching signal concern schematic diagram, (a) figure is the switching signal schematic diagram of first order switch, (b) figure is the switching signal schematic diagram of second level switch.
Figure 16 is the performance plot of the relation of the operating physical force of the functional unit that illustrates in the present embodiment to be possessed and stroke.
Symbol description
1 housing
2 accommodation sections
3 next doors
4 next doors
5 guide parts
6 projectioies (clamping device)
7 driver parts
8 first travelling contacts
9 second travelling contacts
10 general travelling contacts
11 first discrete fixed contacts
12 second discrete fixed contacts
13 common fixed contact
14 force application parts
15 functional units
The 15a cam part
The 15a1 stage portion
16 cap assemblies
16b hole portion (clamping device)
Embodiment
Below, implement the best mode of two-stage button switch of the present invention with reference to description of drawings.
[structure of present embodiment]
Fig. 1 is the exploded perspective view that an execution mode of two-stage button switch of the present invention is shown; Fig. 2 is the schematic diagram of present embodiment, and wherein, (a) figure is a vertical view, and (b) figure is an end view, and (c) figure is a front view, and (d) figure is the A-A profile of (a) figure, and Fig. 3 is the main position enlarged drawing of (d) figure among Fig. 2.Fig. 4 is the main position vertical view that the initial condition of present embodiment is shown, and Fig. 5 is the C-C profile of Fig. 4, and Fig. 6 is the B-B profile of Fig. 4.
The two-stage button switch of present embodiment possesses housing 1 shown in Fig. 1～3 grades, have accommodation section 2 in this housing 1.Be formed with next door 3,4 and guide part 5 in this accommodation section 2.In addition, be provided with projection 6 in the side of housing 1.
Bottom in the accommodation section 2 of housing 1 shown in (d) figure of Fig. 2, is formed with common fixed contact 13, shown in Fig. 5,6, is formed with first discrete fixed contact 11, the second discrete fixed contact 12.The first discrete fixed contact 11 and the second discrete fixed contact 12 for example clip common fixed contact 13 and dispose.That is, common fixed contact 13 is configured between next door shown in Figure 13 and next door 4.The first discrete fixed contact 11 is configured between a wall of next door 3 and housing 1.The second discrete fixed contact 12 is configured between another wall of next door 4 and housing 1.
In addition, also possess with the general travelling contact 10 of above-mentioned common fixed contact 13 conducting always, with first travelling contact 8 shown in Figure 5 of the first discrete fixed contact 11 selectivity conductings and with second travelling contact 9 shown in Figure 6 of the second discrete fixed contact 12 selectivity conductings.These general travelling contacts 10, first travelling contact 8 and second travelling contact 9 are integrally joined to each other.For example process simultaneously by piece of metal sheet.First travelling contact 8 can slide between a wall of above-mentioned next door 3 and housing 1.Second travelling contact 9 can slide between another wall of above-mentioned next door 4 and housing 1.
In addition, as shown in Figure 1, possess and bury the driver part 7 that keeps above-mentioned general travelling contact 10, first travelling contact 8 and second travelling contact 9 and can in the accommodation section in the housing 12, slide underground.This driver part 7 has and forms curved drive division 7a.
In addition, as shown in Figure 1, have the functional unit 15 that also can be made the pressing operation of driver part 7 slips by guide part 5 guiding of housing 1, this functional unit 15 has cam 15a, and this cam 15a forms the inclined plane that engages with the drive division 7a of driver part 7.This cam 15a possesses stage portion 15a1 as shown in Figure 3.
Have again, shown in Fig. 1, Fig. 2 (d), Fig. 4 etc., have by applying the force application part 14 that the helical spring of elastic force constitutes driver part 7, it is disposed in the accommodation section 2 of housing 1, one end and 13 conductings of shared fixed contact, the other end and 10 conductings of general travelling contact.This force application part 14 is configured between above-mentioned next door 3 and the next door 4.
As shown in Figure 1, the cap assembly 16 that possesses the accommodation section 2 of covering shell 1.On this cap assembly 16, be formed with through hole 16a that inserts logical functional unit 15 and the 16b of hole portion that engages with the projection 6 of housing 1.Constitute by the projection 6 of the 16b of hole portion of this cap assembly 16 and housing 1 cap assembly 16 is limited to clamping device on the housing 1.
Be formed at the first split fixed contact 11 on the above-mentioned housing 1 and remain in the configuration relation of first travelling contact 8 on the driver part 7 and be formed at the second split fixed contact 12 on the housing 1 and remain in the following setting of configuration relation of second travelling contact 9 on the driver part 7.Promptly, pressing operation by functional unit 15, make first travelling contact 8 and first discrete fixed contact 11 conductings that remain on the driver part 7, the further pressing operation by functional unit 15 makes second travelling contact 9 and second discrete fixed contact 12 conductings.
(action of present embodiment)
Fig. 7 is the action schematic diagram of present embodiment, is the main position vertical view of the state when first order switch motion is shown, and Fig. 8 is the D-D profile of Fig. 7, and Fig. 9 is the E-E profile of Fig. 7, and Figure 10 is the H-H profile of Fig. 7.Figure 11 also is the action schematic diagram of present embodiment, the view when being second level switch motion, and Figure 12 is the F-F profile of Figure 11; Figure 13 is the G-G profile of Figure 11, and Figure 14 is the I-I profile of Figure 11.
Under initial condition, shown in (d) among above-mentioned Fig. 2, under the state that makes general travelling contact 10 and common fixed contact 13 conductings by force application part 14, the cam part 15a of functional unit 15 is remained on the state that engages with the drive division 7a of driver part 7.In addition, as shown in Figure 5, first travelling contact 8 that remains on the driver part 7 is retained as the state that leaves first discrete fixed contact 11, and as shown in Figure 6, second travelling contact 9 that remains on the driver part 7 is retained as the state that leaves the second discrete fixed contact 12.Thereby disconnect first order switch, second level switch.
If functional unit 15 is carried out pressing operation from this state, then the cam part 15a of functional unit 15 pushes the drive division 7a of driver part 7, thereby driver part 7 is resisted the thrust that force application part 14 applied and is slided in the accommodation section 2 of housing 1, shown in Fig. 7～10, the stage portion 15a1 of the cam part 15a of functional unit 15 becomes the state that engages with the drive division 7a of driver part 7.One to this state, as shown in Figure 8, first travelling contact 8 just with first discrete fixed contact 11 conductings.That is,, make the first discrete fixed contact 11 and common fixed contact 13 conductings via first travelling contact 8 and general travelling contact 10, thus closed first order switch.
If further functional unit 15 is carried out pressing operation from above-mentioned state, then the cam part 15a of functional unit 15 continues to push the drive division 7a of driver part 7, thereby driver part 7 is resisted the thrust that force application part 14 applied and is slided in the accommodation section 2 of housing 1, shown in Figure 11～14, the drive division 7a of driver part 7 becomes the state by the stage portion 15a1 of the cam part 15a of functional unit 15.One to this state, as shown in figure 12, just keeps the state of first travelling contact 8 and first discrete fixed contact 11 conductings, simultaneously, as shown in figure 13, second travelling contact 9 and second discrete fixed contact 12 conductings.That is, the first discrete fixed contact 11 and the second discrete fixed contact 12 are via first travelling contact 8, second travelling contact 9 and general travelling contact 10 and shared fixed contact 13 conductings, thus closed second level switch.
If putting on the operating physical force of functional unit 15 diminishes, then driver part 7 slides to initial position under the effect of the thrust that force application part 14 is applied, thereby the first order, the second level are cut-off and are opened, follow the slip of driver part 7, functional unit 15 is pushed to the top, returns to the initial condition shown in (d) among above-mentioned Fig. 4～6 and Fig. 2.
Figure 15 illustrates the stroke of device functional unit in the present embodiment and the graph of a relation between the switching signal, wherein, (a) figure is the switching signal schematic diagram of first order switch, (b) figure is the switching signal schematic diagram of second level switch, and Figure 16 is the performance plot that the relation of the stroke of device functional unit in the present embodiment and operating physical force is shown.
As mentioned above, pressing operation by functional unit 15, driver part 7 slides in the accommodation section 2 of housing 1, shown in Figure 15 (a), can be when functional unit 15 arrives stroke S1 with first order switch closure, shown in Figure 15 (b) figure, when further pressing operation parts 15 arrive stroke S2, can be with second level switch closure.
Shown in the solid line of Figure 16, when the first order switch of T1 is the stroke S1 of closure when pressing operation, drive division 7a by driver part 7 engages with the stage portion 15a1 of the cam 15a of functional unit 15, can be as changing shown in the little curve, become the state that produces the sense that pauses hardly, when second level switch is the stroke S2 of closure, the drive division 7a of driver part 7 is by the stage portion of the cam 15a of functional unit 15, as changing shown in the big curve, can become the state that produces big pause sense thus.
Among Figure 16, the characteristic when T2 is the pressing operation releasing, considering the characteristic shown in the line is the characteristic that above-mentioned prior art obtains, and shown in the overtravel S3 among this Figure 16, in the present embodiment, can fully guarantee big overtravel S3.
(effect of present embodiment)
According to present embodiment, remain in first travelling contact 8 on the driver part 7 and be formed at the configuration relation of the first discrete fixed contact 11 on the housing 1 and remain in second travelling contact 9 on the driver part 7 and be formed at the configuration relation of the second discrete fixed contact 12 on the housing 1 by suitable setting, as shown in figure 16, the stroke of setting operation parts 15 when pressing operation can be strengthened, overtravel can be easily guaranteed simultaneously.
Like this, owing to can guarantee stroke by the earth, so when being assemblied in the shutter position of minicams such as digital camera, can obtain good operating characteristics.In addition, owing to can guarantee overtravel, so, when being assemblied in the shutter position of minicams such as digital camera, can not impact in total travel, prevent shake, thereby can obtain preferable image.And then, owing under the situation that does not possess the dome travelling contact of metal, just can realize closure, the disconnection of switch, this switch carries out closure, unwanted generating noise when disconnecting so can be suppressed at, thereby when being assemblied in minicam, unwanted noise can be in image, do not sneaked into, thereby preferable image can be obtained.
In addition, utilize the cap assembly 16 of the accommodation section 2 of covering shell 1, can protect contact portions not to be subjected to the pollution of outside dust etc., thereby can guarantee high reliability.
In addition, the inclined plane angle of the cam 15a by suitable setting operation parts 15 and the shape of stage portion 15a1 can form the state of almost imperceptible pause sense, maybe can form big pause sense,, can easily guarantee desirable pause sense that is.Can obtain good operating characteristics thus.
In addition, in the accommodation section 2 of housing 1, owing to dispose the first discrete fixed contact 11 and the second discrete fixed contact 12 according to the mode that clips common fixed contact 13, therefore, can realize stable structure, this point also can be guaranteed high reliability.
Need to prove, that is: on functional unit 15, to possess the cam 15a that forms the inclined plane and have stage portion 15a1, on driver part 7, possess the curved drive division 7a that engages with cam part 15a though constitute following structure in the above-described embodiment.But also can constitute following structure in contrast: on driver part 7, possess the cam part that forms the inclined plane and have stage portion, on functional unit 15, possess the curved drive division that engages with the cam part of driver part 7.
Claims (4)
1. two-stage button switch is characterized in that possessing:
Housing with accommodation section;
Be formed in the described accommodation section of this housing and common fixed contact insulated from each other, the first discrete fixed contact, and the second discrete fixed contact;
With the general travelling contact of described common fixed contact conducting always, with first travelling contact of the described first discrete fixed contact selectivity conducting and with second travelling contact of the described second discrete fixed contact selectivity conducting, and described general travelling contact, first travelling contact and second travelling contact are connected to each other;
Keep described general travelling contact, described first travelling contact and described second travelling contact, and the driver part that can in the described accommodation section of described housing, slide;
Can make the functional unit of the pressing operation of this driver part slip; And
Force application part, it is disposed in the described accommodation section of described housing, an end and described common fixed contact conducting, the other end and described general travelling contact conducting, and can apply elastic force to described driver part,
Wherein, dispose the described first discrete fixed contact, described first travelling contact, the described second discrete fixed contact and described second travelling contact in the following manner, promptly, pressing operation by described functional unit, remain in described first travelling contact and the described first discrete fixed contact conducting on the described driver part, by the further pressing operation of described functional unit, described second travelling contact and the described second discrete fixed contact conducting.
2. two-stage button switch as claimed in claim 1 is characterized in that, possesses the cap assembly of the described accommodation section that covers described housing, and possesses the clamping device that described cap assembly and described housing card are ended.
3. two-stage button switch as claimed in claim 1 is characterized in that, has cam part on described functional unit or described driver part, and this cam part forms the inclined plane of the described driver part of slide, and this cam part has the stage portion that can apply the sense that pauses.
4. two-stage button switch as claimed in claim 1 is characterized in that, clips described common fixed contact and disposes the described first discrete fixed contact and the described second discrete fixed contact.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006224256 | 2006-08-21 | ||
| JP2006224256A JP2008047492A (en) | 2006-08-21 | 2006-08-21 | Two-step push switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101131900A true CN101131900A (en) | 2008-02-27 |
Family
ID=39129112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007101426302A Pending CN101131900A (en) | 2006-08-21 | 2007-08-20 | Two-stage push switch |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2008047492A (en) |
| CN (1) | CN101131900A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102903557A (en) * | 2011-07-28 | 2013-01-30 | 佳能株式会社 | Slide switch for use in electronic apparatus, and electronic apparatus |
| CN106710916A (en) * | 2016-12-26 | 2017-05-24 | 池州信安信息技术有限公司 | Pressing switch |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8334468B2 (en) * | 2008-11-06 | 2012-12-18 | Covidien Ag | Method of switching a cordless hand-held ultrasonic cautery cutting device |
| JP5897957B2 (en) * | 2012-03-29 | 2016-04-06 | 本田技研工業株式会社 | Handle switch for motorcycle |
| JP6248587B2 (en) * | 2013-12-04 | 2017-12-20 | オムロン株式会社 | switch |
| CN110945616B (en) * | 2017-08-03 | 2021-12-17 | 阿尔卑斯阿尔派株式会社 | Click feeling imparting mechanism |
-
2006
- 2006-08-21 JP JP2006224256A patent/JP2008047492A/en not_active Withdrawn
-
2007
- 2007-08-20 CN CNA2007101426302A patent/CN101131900A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102903557A (en) * | 2011-07-28 | 2013-01-30 | 佳能株式会社 | Slide switch for use in electronic apparatus, and electronic apparatus |
| US8987623B2 (en) | 2011-07-28 | 2015-03-24 | Canon Kabushiki Kaisha | Slide switch for use in electronic apparatus, and electronic apparatus |
| CN106710916A (en) * | 2016-12-26 | 2017-05-24 | 池州信安信息技术有限公司 | Pressing switch |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2008047492A (en) | 2008-02-28 |
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Open date: 20080227 |