CN1591726A - Movable contact and button switch using the same - Google Patents
Movable contact and button switch using the same Download PDFInfo
- Publication number
- CN1591726A CN1591726A CNA2004100682064A CN200410068206A CN1591726A CN 1591726 A CN1591726 A CN 1591726A CN A2004100682064 A CNA2004100682064 A CN A2004100682064A CN 200410068206 A CN200410068206 A CN 200410068206A CN 1591726 A CN1591726 A CN 1591726A
- Authority
- CN
- China
- Prior art keywords
- movable contact
- contact
- skirt section
- end periphery
- fixed contact
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
- H01H13/702—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches
- H01H13/705—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches characterised by construction, mounting or arrangement of operating parts, e.g. push-buttons or keys
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/02—Details
- H01H13/26—Snap-action arrangements depending upon deformation of elastic members
- H01H13/48—Snap-action arrangements depending upon deformation of elastic members using buckling of disc springs
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/50—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member
- H01H13/52—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member the contact returning to its original state immediately upon removal of operating force, e.g. bell-push switch
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2215/00—Tactile feedback
- H01H2215/004—Collapsible dome or bubble
Landscapes
- Push-Button Switches (AREA)
- Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
Abstract
This invention is to provide a movable contact point body and a push-button switch capable of being down-sized with improved reliability and with a desired operation stroke secured. The movable contact point body and the push-button switch are equipped with a lower end peripheral edge part (3a) loaded on a fixed contact point (2), a skirt part (3b) standing with a given angle from the lower end peripheral edge part (3a), and an expanding part (3c) of a dome shape capable of reversing continuing to the skirt part (3b). The skirt part (3b) is formed in a long sheet shape having an opening part (3d) at both side surface parts by one of opposing both side surface parts notched in parallel, formed at opposing positions pinching the expanding part (3c), and also, a center of a circle structuring an outer periphery of the lower end peripheral edge part (3a) and a tip part of the expanding part (3c) of the dome shape continuing to the skirt part (3b) are made different from each other.
Description
Technical field
The present invention relates to be used as the structure of the operation of various e-machines with the push-button switch of switch, thus the structure of the movable contact of push-button switch particularly by pushing the contact that makes dome-type bellying upset carrying out contact or separation.
Background technology
As the structure of in the past push-button switch, the known structure (for example, with reference to patent documentation 1) that the thin plate switch (シ one ト ス イ ッ チ) of the dome-type movable contact of a plurality of circles of configuration on base plate is arranged.
The structure of having represented this thin plate switch in the past among Fig. 7.Fig. 7 is the exploded perspective view of expression thin plate switch.In the drawings, the 1st thin plate 51 is insulating thins of film like, has applied adhesives below.Moving contact 53 is to be formed dome-shapedly by resilient metal material, and is formed with the bellying that can overturn in central authorities.The 2nd thin plate 54 is provided with the reception hole 54a that takes in moving contact 53, and moving contact 53 is incorporated among this reception hole 54a, and the 1st thin plate 51 is secured at its upper face side.
On circuit board 58, be formed with a plurality of outside fixed contacts 59 that constitute by the material of conductivity and the circuitous pattern of central fixed contact 60.Aforementioned the 2nd thin plate 54 is secured on the circuit board 58, so that the periphery lower end of moving contact 53 contacts with this outside fixed contact 59, and the top of bellying is mutually opposed with central fixed contact 60.
And, push moving contact 53 via the 1st thin plate 51, thereby make the bellying upset, thus, moving contact 53 contacts with central fixed contact 60, thereby is electrically connected.
But, recently, because the thin spaceization of the miniaturization of moving contact, the configuration of moving contact, thereby require the miniaturization of thin plate switch integral body, moving contact self also is miniaturized and becomes small-diameter sized, therefore, the height of bellying diminishes, thereby has just produced the problem that can't obtain the desired procedure stroke.
Therefore, proposed in order to prolong operational stroke a kind of have in that the periphery of the dome-type moving contact of circle is prominent establish the switch (for example, with reference to patent documentation 2) that pin shape sheet prolongs the structure of stroke.
The structure of in Fig. 8, having represented the contact spring of switch in the past.In the drawings, contact spring 111 is formed the more shallow dome-shaped of the part that becomes sphere on the whole, sentences overhanging state in 4 of its periphery and is formed with pin 112.This contact spring 111 just carries out the motion combination action of rotary movement and pin 112 bendings when circular top part is pressed, so just can increase by pushing the operational stroke of generation.
Patent documentation 1: the spy opens the 2001-14973 communique
Patent documentation 2: the spy opens the 2000-348556 communique
But, in the structure of above-mentioned push-button switch in the past and moving contact, realize the miniaturization of thin plate switch integral body when thin spaceization for the configuration of the miniaturization by moving contact, moving contact, and when having used the circular moving contact of small-diameter sized more, the height of bellying will diminish to respective degrees, and has therefore just produced the problem that can't obtain the desired procedure stroke.
Therefore, though considered in that the periphery of moving contact is prominent and establish foot and prolong operational stroke, because pressing operation causes cracking at the root of this foot easily, the problem of long-time application has just appearred being difficult to.
Summary of the invention
Thereby, the objective of the invention is to address the above problem a little, provide a kind of and improved reliability, guarantee the desired procedure stroke and can realize the movable contact of miniaturization and the push-button switch that uses it.
In order to address the above problem, in the present invention, as the 1st solution, it constitutes: it has: by the lower end periphery of mounting on the fixed contact, from the skirt section that this lower end periphery erects with predetermined angle, and the dome-type bellying that is connected and can overturns with this skirt section, aforementioned skirt is formed in the strip (Long chi shape) that the both sides face has peristome by the both sides face that cuts a relative side abreast, aforementioned skirt section is formed on and clips on the also relative position of aforementioned bellying, and, the round center of the periphery that constitutes the aforementioned lower end periphery and the top of the dome-type bellying that is connected with aforementioned skirt section are differed from one another.
In addition, as the 2nd solution, it constitutes: the lower end periphery that makes aforementioned skirt section is by forming than the center that is connected the dome-type bellying on the aforementioned skirt section bigger circular arc of formed circular arc, and the both ends of the circular arc of this lower end periphery are positioned on the aforementioned fixation contact.
In addition, as the 3rd solution, it constitutes: link a plurality of as described movable contact of the 1st or the 2nd solution via the residual limit of stamping-out (つ な ぎ stack) on the metallic plate of band shape, and the residual limit of aforementioned stamping-out is formed on the peripheral part except that the both ends of the aforementioned peristome in aforementioned skirt section and lower end periphery.
In addition, as the 4th solution, it constitutes: make the aforementioned peristome of the aforementioned movable contact of adjacency paste a plurality of as described movable contact of the 1st or the 2nd solution relatively on pasting boards, and cover the stickup face side of this pasting boards with peel plate.
In addition, as the 5th solution, it constitutes: it has: as the described movable contact of the 1st or the 2nd solution; The peripheral fixed contact of the lower end periphery of this movable contact of mounting; And, set and below the top of the dome-shaped bellying of aforementioned movable contact, can contact or the central fixed contact of relative discretely configuration in abutting connection with this periphery fixed contact.
In addition, as the 6th solution, it constitutes: by pasting boards movable contact as claimed in claim 1 or 2 is fixed on the insulating base that forms fixed contact.
The effect of invention
As described above, movable contact of the present invention has: by the lower end periphery of mounting on the fixed contact, is connected the dome-type bellying that also can overturn from skirt section that this lower end periphery erects with predetermined angle and with this skirt section, the skirt section is by the facial strip that peristome is arranged on the face of both sides that is formed in the both sides of cutting a relative side abreast, the skirt section is formed on and clips on the also relative position of aforementioned bellying, and, the round center of the periphery that constitutes the aforementioned lower end periphery and the top of the dome-type bellying that is connected with aforementioned skirt section are differed from one another, thus, form the strip that is provided with peristome at the both sides face, therefore the dome-type bellying of skirt section and connection can be formed major diameter, in addition, owing to there is no need on movable contact, to be provided with outstanding foot, thereby a kind of reliability that improved can be provided, and movable contact that can miniaturization when guaranteeing desirable stroke.
In addition, the round center by making the periphery that constitutes the lower end periphery and differ from one another with the top of bellying is as long as the center of curvature of the periphery of change lower end periphery and the setting of radius just can be carried out the adjustment of stroke.
In addition, because the lower end periphery in skirt section is by forming than the center of the dome-type bellying that is connected with the skirt section big circular arc of formed circular arc, and the both ends of the circular arc of lower end periphery are positioned on the fixed contact, therefore the lower end periphery in skirt section is floated above the fixed contact face, can make stroke bigger, can stably carry out the setting of movable contact.In addition, owing to do not have protuberance in shape thereby can improve reliability.
In addition, on the metallic plate of band shape, link a plurality of as the described movable contact of the 1st or the 2nd solution via the residual limit of stamping-out, and the residual limit of stamping-out is formed on the peripheral part except that the both ends of the peristome in skirt section and lower end periphery, thereby, since can be on the position of the contact site of having avoided the big peristome of amplitude and contact with fixed contact the residual limit of formation stamping-out, so when the endless belt material cuts off, even if produced the cut-out residue on the residual limit of stamping-out, also can suppress the generation of crackle, in addition, do not have the situation that reams fixed contact.
In addition, make the peristome of adjacency on pasting boards, paste a plurality of as described movable contact of the 1st or the 2nd solution relatively, and cover the stickup face side of pasting boards with peel plate, can seek the thin spaceization of thin plate switch, and can prepare simply and assemble by the pasting boards that covers with peel plate.
In addition, owing to have: as the described movable contact of the 1st or the 2nd solution; The peripheral fixed contact of the lower end periphery of mounting movable contact; And, set with peripheral fixed contact adjacency, and below the top of the dome-shaped bellying of movable contact, can contact or the central fixed contact of relative discretely configuration, therefore can provide a kind of and improved reliability, push-button switch that can miniaturization when guaranteeing desirable stroke.
In addition, will be fixed on the insulating base that forms fixed contact as the described movable contact of the 1st or the 2nd solution, and provide a kind of thus and assemble easily by pasting boards, and push-button switch that can be lightening.
Description of drawings
Fig. 1 is the side view of expression as the major part of the push-button switch of one embodiment of the present of invention;
Fig. 2 is the plane graph of the movable contact of expression push-button switch of the present invention;
Fig. 3 is the profile of the movable contact of expression push-button switch of the present invention;
Fig. 4 is the plane graph of movable contact of the ring-band shape of expression push-button switch of the present invention;
Fig. 5 is the stereogram that is illustrated in the movable contact under the state of having pasted a plurality of movable contacts on the pasting boards of push-button switch of the present invention;
Fig. 6 is the fragmentary cross-sectional view of Fig. 5 of the present invention;
Fig. 7 is an exploded perspective view of representing thin plate switch in the past;
Fig. 8 is the plane graph of structure of representing the contact spring of switch in the past.
Embodiment
Below, Fig. 1 to Fig. 6 has represented the embodiment of movable contact of the present invention and push-button switch.Fig. 1 is the side view of the major part of expression push-button switch of the present invention; Fig. 2 is the plane graph of movable contact; Fig. 3 is the profile of movable contact; Fig. 4 is the plane graph of the movable contact of ring-band shape; Fig. 5 is the stereogram of the movable contact under the state of having pasted a plurality of movable contacts on the pasting boards; Fig. 6 is the fragmentary cross-sectional view of Fig. 5.
In Fig. 1 to Fig. 3, the insulating base 1 that becomes the base of push-button switch is formed by the laminated sheet of phenolic resins etc., above the insulating base 1, is formed with the fixed contact 2 with the material printing of conductivity such as graphite or silver foil at this.This fixed contact 2 is by the central fixed contact 2a that is located at central authorities and clip the peripheral fixed contact 2b that the fixed contact 2a of these central authorities relatively is set at both sides and constitute.
Moreover peripheral fixed contact 2b relatively disposes a pair of or links to be configured to broach shape or ring-type.In addition, peripheral fixed contact 2b also can not be relative a pair of but only be configured in a place.
At the upper face side of aforementioned dielectric base plate 1, relatively set movable contact 3 with fixed contact 2.This movable contact 3 is made of the metal sheet of conductivity, and forms in central authorities the dome-shaped of the bellying that can overturn arranged.That is, movable contact 3 has by the lower end periphery 3a of mounting to the peripheral fixed contact 2b of aforementioned fixation contact 2, the skirt section 3b that holds up from this lower end periphery 3a at a predetermined angle and the dome-type bellying 3c that can overturn that is connected with this skirt section 3b.
In addition, aforementioned skirt section 3b, the both sides face of a relative side by cutting movable contact 3 abreast, thus form the strip that on the face of both sides, has peristome 3d, and aforementioned lower end periphery 3a clips aforementioned bellying 3c and forms a pair of on relative position respectively.In addition, the round center that constitutes aforementioned lower end periphery 3a periphery forms mutual different with the top of dome-type bellying 3c on being connected aforementioned skirt section 3b, the size that the periphery of lower end periphery 3a is justified is compared with the size of being justified by the periphery that is formed centrally among the dome-type bellying 3c that is connected with skirt section 3b, forms bigger circular arc.
In addition, the both ends of the circular arc of the lower end periphery 3a of aforementioned skirt section 3b, because skirt section 3b is that the track of the circular arc at center forms bigger circular arc with respect to the top with dome-type bellying 3c, therefore this is formed to foreign side and heaves, and these both ends just become by mounting and are connected on contact site 3e on the peripheral fixed contact 2b of aforementioned fixation contact 2.
The movable contact 3 of above-mentioned formation is when being positioned on the fixed contact 2 of insulating base 1, aforementioned contact site 3e contacts with peripheral fixed contact 2b, and the dome-type bellying 3c that connects with skirt section 3b is relatively disposed under the state that deviates from mutually with central fixed contact 2a.At this moment, though movable contact 3 forms the strip that the both sides face of skirt section 3b is cut abreast, skirt section 3b and connected dome-type bellying 3c are the size that benchmark forms the periphery circle with the length of rectangular direction.In addition, on the both ends of the circular arc of the lower end of aforementioned skirt section 3b periphery 3a, be formed with the contact site 3e that heaves to foreign side.
Like this, because movable contact 3 forms the strip that is provided with peristome 3d on the face of both sides, therefore the dome-type bellying 3c of skirt section 3b and connection can be formed major diameter, in addition, owing to there is no need as in the past, on the movable contact of minor diameter, to be provided with in addition outstanding foot etc., thereby a kind of reliability that improved just can be provided, guarantee desirable stroke and movable contact 3 that can miniaturization.
In addition, round center by making the lower end periphery 3a periphery that constitutes skirt section 3b and the top of the dome-type bellying 3c that is connected with skirt section 3b differ from one another, as long as the center of curvature of the lower end periphery 3a periphery of change skirt section 3b and the setting of radius just can be carried out the adjustment with the corresponding stroke of various variations.
In addition, since with the lower end periphery 3a of skirt section 3b by forming than the center big circular arc of formed circular arc that is connected the dome-type bellying 3c on the 3b of skirt section, and the contact site 3e that will heave on the both ends of the circular arc that is arranged on lower end periphery 3a is positioned on the peripheral fixed contact 2b, the contact site 3e at both ends that therefore can be by this circular arc floats the lower end periphery 3a of skirt section 3b above peripheral fixed contact face 2b, owing to can make stroke bigger like this, thereby just can stably carry out the setting of movable contact 3.In addition, owing on the profile of movable contact 3, do not have unnecessary protuberance, thereby can improve reliability.
Fig. 4 has represented in that residual limit 4a is attached at a plurality of aforementioned movable contacts 3 movable contact 3 of the ring-band shape under the state on the banded metallic plate 4 via stamping-out.In this case, movable contact 3 is at the 3d of pair of openings portion on the relative side's that is formed on skirt section 3b abreast both sides face and be formed on the peripheral part of the part the 3e of foot on the both ends of lower end periphery 3a of skirt section 3b and form the residual limit 4a of aforementioned stamping-out.Moreover in the drawings, oblique line portion represents space (punching).
Like this,, the processing of movable contact 3 is become easily, can stably supply with by movable contact 3 is formed ring-band shape.In addition, owing to formed the residual limit 4a of stamping-out on the position of peristome 3d that amplitude is bigger when having avoided rotary movement and the contact site 3e that contacts with peripheral fixed contact 2b, when the endless belt material cuts off movable contact 3, even if produced the cut-out remnants of the residual limit 4a of stamping-out, also can suppress the generation of crackle, in addition, can also prevent to become unstable because of having reamed to make to contact with the contact-making surface of peripheral fixed contact 2b.
Fig. 5 and Fig. 6 have represented to make the peristome 3d of the movable contact 3 of adjacency relative to one another a plurality of movable contacts 3 to be sticked on the movable contact 3 of the thin plate on the pasting boards 5.In this case, the stickup face side of adhesive-applying 6 (below side) is being pasted peel plate 7 on pasting boards 5.This peel plate 7 is used at movable contact 3 by conveying and assembly process till mounting is on the fixed contact 2 of insulating base 1, protection movable contact 3.
Like this, the peristome 3d by making adjacency toward each other and be the horizontal stripe shape and a plurality of movable contacts 3 are sticked on the pasting boards 5 can realize the thin spaceization of thin plate switch.In addition, by the peel plate 7 that side covering protection below pasting boards 5 is used, conveying, the processing of preparing and assembling can be carried out simply, and improve operability.
Moreover, though, also can between pasting boards 5 and peel plate 7, be provided with the lining plank of the accepting hole of accommodating movable contact 3 in the above-described embodiments with 1 thin plate formation thin plate switch of pasting boards 5.
In addition, also can replace pasting boards 5 that the top of movable contact 3 sticked on respectively on each contact to paste band than movable contact 3 narrow band shapes.
Label declaration
1 insulating base, 2 fixed contacts
The fixed contact 2b of 2a central authorities periphery fixed contact
3 movable contact 3a lower end peripheries
3d peristome 3e contact site
The residual limit of 4 metallic plate 4a stamping-outs
5 pasting boards, 6 bonding agents
7 peel plate
Claims (6)
1. movable contact, it is characterized in that: it has: by the lower end periphery of mounting on the fixed contact; From the skirt section that this lower end periphery erects with predetermined angle; And, the dome-type bellying that can overturn that is connected with this skirt section,
Described skirt section is formed in the strip that the both sides face has peristome by the both sides face that cuts a relative side abreast, described skirt section is formed on and clips on the also relative position of described bellying, and, the round center of the periphery that constitutes described lower end periphery and the top of the dome-type bellying that is connected with described skirt section are differed from one another.
2. movable contact as claimed in claim 1, it is characterized in that: the lower end periphery that makes described skirt section, by forming, and the both ends of the circular arc of this lower end periphery are positioned on the described fixed contact than the center that is connected the dome-type bellying on the described skirt section bigger circular arc of formed circular arc.
3. movable contact, it is characterized in that: on the metallic plate of band shape, link a plurality of movable contacts as claimed in claim 1 or 2 via the residual limit of stamping-out, and the residual limit of described stamping-out is formed on the peripheral part except that the both ends of the described peristome in described skirt section and lower end periphery.
4. a movable contact is characterized in that: make the described peristome of the described movable contact of adjacency paste a plurality of movable contacts as claimed in claim 1 or 2 relatively on pasting boards, and cover the stickup face side of this pasting boards with peel plate.
5. push-button switch, it is characterized in that: it has: movable contact as claimed in claim 1 or 2; The peripheral fixed contact of the lower end periphery of this movable contact of mounting; And, set in abutting connection with this periphery fixed contact, and below the top of the dome-shaped bellying of described movable contact, can contact or the central fixed contact of relative discretely configuration.
6. a push-button switch is characterized in that: by pasting boards claim 1 or 2 described movable contacts are fixed on the insulating base that forms fixed contact.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003299722A JP4317721B2 (en) | 2003-08-25 | 2003-08-25 | Movable contact body and push button switch using the same |
| JP2003299722 | 2003-08-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1591726A true CN1591726A (en) | 2005-03-09 |
| CN1263058C CN1263058C (en) | 2006-07-05 |
Family
ID=34404856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100682064A Expired - Fee Related CN1263058C (en) | 2003-08-25 | 2004-08-23 | Movable contact and button switch using the same |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP4317721B2 (en) |
| KR (1) | KR100637889B1 (en) |
| CN (1) | CN1263058C (en) |
| TW (1) | TWI238425B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101923975A (en) * | 2009-06-15 | 2010-12-22 | 阿尔卑斯电气株式会社 | Movable contact member and switching device |
| CN101178983B (en) * | 2006-11-09 | 2011-06-22 | 松下电器产业株式会社 | Movable contact, thin plate with the movable contact and switching device employing the same |
| CN101634430B (en) * | 2008-07-24 | 2012-02-01 | 松下电器产业株式会社 | Light guide sheet and movable contact assembly including the same |
| CN102867670A (en) * | 2011-07-08 | 2013-01-09 | 星电株式会社 | Switch |
| WO2014194860A1 (en) * | 2013-06-07 | 2014-12-11 | 北京丰拓生物技术有限公司 | Switch system and electronic device using same |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100714851B1 (en) * | 2005-08-19 | 2007-05-04 | 주식회사 센플러스 | Metal dome assembly and dialing method using the same |
| KR100790455B1 (en) | 2006-11-02 | 2008-01-02 | 주식회사 두성테크 | The metal dome |
| JP4894671B2 (en) | 2007-08-07 | 2012-03-14 | パナソニック株式会社 | Movable contact |
| KR100935627B1 (en) * | 2009-05-26 | 2010-01-07 | 김대근 | Electronic instrument equipped with metal dome type switch |
| WO2018150741A1 (en) * | 2017-02-15 | 2018-08-23 | パナソニックＩｐマネジメント株式会社 | Switch body |
| KR102491242B1 (en) | 2022-03-14 | 2023-01-26 | 김명식 | Wiring breaker movable contact manufacturing method and wiring breaker movable contact manufactured thereby |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003187664A (en) * | 2001-12-21 | 2003-07-04 | Shinmei Electric Co Ltd | Manufacturing method of contact plate for push-button switch and contact plate |
-
2003
- 2003-08-25 JP JP2003299722A patent/JP4317721B2/en not_active Expired - Fee Related
-
2004
- 2004-08-20 TW TW093125194A patent/TWI238425B/en not_active IP Right Cessation
- 2004-08-23 CN CNB2004100682064A patent/CN1263058C/en not_active Expired - Fee Related
- 2004-08-24 KR KR1020040066591A patent/KR100637889B1/en active IP Right Grant
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101178983B (en) * | 2006-11-09 | 2011-06-22 | 松下电器产业株式会社 | Movable contact, thin plate with the movable contact and switching device employing the same |
| CN101634430B (en) * | 2008-07-24 | 2012-02-01 | 松下电器产业株式会社 | Light guide sheet and movable contact assembly including the same |
| CN101923975A (en) * | 2009-06-15 | 2010-12-22 | 阿尔卑斯电气株式会社 | Movable contact member and switching device |
| CN101923975B (en) * | 2009-06-15 | 2013-11-06 | 阿尔卑斯电气株式会社 | Movable contact member and switching device |
| CN102867670A (en) * | 2011-07-08 | 2013-01-09 | 星电株式会社 | Switch |
| CN102867670B (en) * | 2011-07-08 | 2016-03-30 | 星电株式会社 | Switch |
| WO2014194860A1 (en) * | 2013-06-07 | 2014-12-11 | 北京丰拓生物技术有限公司 | Switch system and electronic device using same |
Also Published As
| Publication number | Publication date |
|---|---|
| TW200516623A (en) | 2005-05-16 |
| CN1263058C (en) | 2006-07-05 |
| TWI238425B (en) | 2005-08-21 |
| KR100637889B1 (en) | 2006-10-23 |
| JP4317721B2 (en) | 2009-08-19 |
| KR20050022347A (en) | 2005-03-07 |
| JP2005071783A (en) | 2005-03-17 |
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Address after: Tokyo, Japan, Japan Patentee after: Alpine Alpine Company Address before: Tokyo, Japan, Japan Patentee before: Alps Electric Co., Ltd. |
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Granted publication date: 20060705 Termination date: 20200823 |