CN1206680C - Base plate with joint and switch unit with the plate - Google Patents
Base plate with joint and switch unit with the plate Download PDFInfo
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- CN1206680C CN1206680C CN 02126367 CN02126367A CN1206680C CN 1206680 C CN1206680 C CN 1206680C CN 02126367 CN02126367 CN 02126367 CN 02126367 A CN02126367 A CN 02126367A CN 1206680 C CN1206680 C CN 1206680C
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- mentioned
- substrate
- contact
- dilation
- light
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Abstract
This invention provides a sheet attached with a contact-point as well as a switchgear capable of emitting light from a light storage part with no separate light-guide member for smaller size, while the amount of emitted light from the light storage part is increased. There are provided a first sheet 1 comprising a reversible swollen part 1a, a movable contact point 3 provided inside the swollen part 1a, and a second sheet 4 which is, made of a sheet containing light-storage or night-grow pigment and stacked on the first sheet 1 as one body. The second sheet 4 is provided with a notch 4a which allows counterturn of the swollen part 1a when the first sheet 1 is pressurized.
Description
Technical field
The present invention relates to a kind of operation board that is used for portable electric appts etc. the band contact substrate and use its switching device, relate in particular to the light structures of the operation keys when operating at the dark place.
Background technology
The light structures of the operation keys in known past is that light storage part is laid on the operation keys of adjusting side set on the substrate of band contact, utilizes LED to make operation keys luminous.The structure that has the switching device that holds optical illumination in this past is shown in Fig. 9.
Among the figure, switching device has following component part: circuit board 58 is used to arrange fixed contact 59,60; The substrate 51 that has movable contact, it is superimposed on this circuit board 58; Operation keys 61, its LED62 that combines with this substrate 51 that has movable contact, it is used for this operation keys 61 is thrown light on as light source; Light transmission light guide member 64 is used for the light of this LED62 is directed to aforesaid operations key 61; And shell 63, be used for above each parts of harvesting.
Above-mentioned LED62, its state that is set is: driven by a kind of drive circuit, make it intermittently luminous, this drive circuit is not shown in the drawings, and its action is decided by conditions such as surrounding brightness deepenings.Utilize the luminous of this LED62, by above-mentioned light guide member 64 illumination is mapped on the above-mentioned light storage part 61b, above-mentioned light storage part 61b is luminous, and till making the luminous LED62 of lasting till next time luminous.But, in the light structures of the operation keys in above-mentioned past, owing in aforesaid operations key 61, be provided with light storage part 61b, so, must above-mentioned light guide member 64 be set in addition avoiding the above-mentioned substrate 51 that has movable contact to the path of aforesaid operations key 61 from above-mentioned LED62, therefore, the problem that occurs is that number of components increases, and can not realize miniaturization.
Moreover because its structure is to form above-mentioned light storage part 61b on one's body on 61 on aforesaid operations key, so the problem that occurs is: the area that light storage part divides is little, is difficult to increase luminous quantity.
The content of invention
So, the objective of the invention is to address the above problem, provide a kind of light guide member that is not provided with in addition can make light storage part luminous, realize the substrate that has contact and the switching device of the luminous quantity of miniaturization and increase light storage part.
In order to address the above problem, as the 1st means of the present invention, a kind of substrate (シ one ト) that has contact is characterized in that having: the 1st substrate, and it has reversible dilation; Movable contact, it is arranged on the inboard of above-mentioned dilation; And the 2nd substrate, it holds light or phosphorescent pigment constitutes at interior thin plate by comprising, coincide with above-mentioned the 1st substrate and form an integral body, on above-mentioned the 2nd substrate, formed a kind of breach, so that when pushing above-mentioned the 1st substrate, allow the counter-rotating action of above-mentioned dilation
Above-mentioned notch part is that utilization punching out reach through hole on the both forward and reverse directions of above-mentioned the 2nd substrate forms, and the above-mentioned dilation of set amount on above-mentioned the 1st substrate and above-mentioned reach through hole are provided with on above-below direction in correspondence with each other.
Utilize the photoconductivity thin plate to form above-mentioned the 1st substrate, utilize the photoconductivity adhesive above-mentioned the 1st substrate sticking to above-mentioned the 2nd substrate, on above-mentioned the 2nd substrate, formed a kind of binding groove, so that link adjacent above-mentioned each reach through hole.
Moreover, as the 2nd means, a kind of substrate that has contact is characterized in that: have the thin plate of peeling off that above-mentioned the 1st means are carried out lift-off processing in the above, general above-mentioned peeling off on the thin plate, and it can be stripped down again.
Moreover, the 3rd means, a kind of switching device, it is characterized in that having: comprise the described substrate that has contact of above-mentioned the 1st means, and the circuit board that is provided with fixed contact, above-mentioned movable contact be arranged to the opposed state of said fixing contact under, the above-mentioned substrate that has contact is secured on the foregoing circuit plate.
The effect of invention:
As mentioned above, have in the structural member of the substrate that has a contact of the present invention: the 1st substrate, it has reversible dilation; Movable contact, it is arranged on the inboard of above-mentioned dilation; And the 2nd substrate, it holds light or phosphorescent pigment constitutes at interior thin slice by comprising, and coincides with above-mentioned the 1st substrate and forms an integral body.On above-mentioned the 2nd substrate, formed a kind of breach, so that when pushing above-mentioned the 1st substrate, allow the counter-rotating action of above-mentioned dilation.So, utilize the light storage part be included in the 2nd substrate can make the big scope below the operation keys luminous, therefore, do not need to adopt as before light guide member.
And, produce above-mentioned the 1st substrate 1 of " card clatter " sense during except operation, also arranged superposed comprises above-mentioned the 2nd substrate of light storage part, on the 2nd substrate, form notch part, so as the tensile strength when the counter-rotating portion of mitigation generation " card clatter " sense usefulness reverses, so, operating handle do not influenced, can increase comprise the thickness of light storage part, can increase luminous quantity at interior above-mentioned the 2nd substrate 4.
And above-mentioned notch part is that utilization punching out reach through hole on the both forward and reverse directions of above-mentioned the 2nd substrate forms, and above-mentioned dilation set on above-mentioned the 1st substrate and above-mentioned reach through hole are provided with on above-below direction in correspondence with each other.So, be easy to form notch part, be easy to assemble.
Moreover, utilize the photoconductivity plate to form above-mentioned the 1st substrate, utilize the photoconductivity adhesive on above-mentioned the 1st substrate sticking is above above-mentioned the 2nd substrate, on above-mentioned the 2nd substrate, formed a kind of binding groove, so that link adjacent above-mentioned each reach through hole.So can guarantee that light storage part is to the luminous quantity of the operating portion of aforesaid operations key and the feel of operation, when pushing above-mentioned movable contact by above-mentioned the 1st substrate simultaneously, air in the dome of dome-type movable contact is directed in the adjacent reach through hole by above-mentioned binding groove, can form hermetically-sealed construction, and prevent in the dust intrusion contact portion.
Moreover, because have: have the substrate of contact, comprising: the 1st substrate, it has reversible dilation; Movable contact, it is arranged on the inboard of above-mentioned dilation; And the 2nd substrate, it holds light or phosphorescent pigment constitutes at interior thin slice by comprising, and coincides with above-mentioned the 1st substrate and forms an integral body; Simultaneously, on above-mentioned the 2nd substrate, formed a kind of breach, so that when pushing above-mentioned the 1st substrate, allow the counter-rotating action of above-mentioned dilation; And peel off thin plate, it carries out lift-off processing in the above, many above-mentioned substrate stickings of contact that have general above-mentioned peeling off on the thin plate, and it can be stripped down, so, have the substrate carrying and the keeping easily of contact, when it will be assembled in the switching device, supply with easily.
Moreover, because have: have the substrate of contact, comprising: the 1st substrate, it has reversible dilation; Movable contact, it is arranged on the inboard of above-mentioned dilation; And the 2nd substrate, it holds light or phosphorescent pigment constitutes at interior thin slice by comprising, and coincides with above-mentioned the 1st substrate and forms an integral body; Simultaneously, on above-mentioned the 2nd substrate, formed a kind of breach, so that when pushing above-mentioned the 1st substrate, allow the counter-rotating action of above-mentioned dilation; And a kind of circuit board, be used to be provided with fixed contact.Be arranged under the opposed state of movable contact and fixed contact, the substrate that has contact is secured on the circuit board, so switching device does not need light guide member, can reduce number of components, has improved the flexibility when arranging simultaneously.And, can make below the aforesaid operations key carry out in a big way luminous.
Brief description of drawings
Fig. 1 is the profile of the structure that has the switching device that holds optical illumination of expression an embodiment of the present invention.
Fig. 2 is the profile of contact portions of the substrate that has contact of expression an embodiment of the present invention.
Fig. 3 is the stereogram of the substrate that has contact of expression an embodiment of the present invention.
Fig. 4 is the substrate that has contact of expression an embodiment of the present invention and the stereogram of circuit board.
Fig. 5 is the profile of another execution mode of expression the present invention in the contact portions of the substrate that has contact of contact portion employing graining board.
Fig. 6 is that another execution mode of expression the present invention is holding the profile that tabula rasa is arranged in the top state of the substrate that has contact.
Fig. 7 is that another execution mode of expression the present invention is holding the profile that tabula rasa is arranged in the top state of the substrate that has contact.
Fig. 8 is the vertical view of Fig. 7 of the present invention.
Fig. 9 is the profile of the expression structure that has the switching device that holds optical illumination in the past.
Embodiment
Below utilize Fig. 1 to Fig. 8, describe embodiments of the present invention in detail.Fig. 1 is the expression profile that has the structure of the switching device that holds optical illumination of the present invention, Fig. 2 is the profile of contact portions that has the substrate of contact, Fig. 3 is the stereogram that has the substrate of contact, Fig. 4 has the substrate of contact and the stereogram of circuit board, Fig. 5 to Fig. 8 represents other execution modes, Fig. 5 is the profile that has used graining board in contact portion, and Fig. 6, Fig. 7 are that handle holds the top profile that tabula rasa is arranged in the substrate that has contact, and Fig. 8 is the vertical view of Fig. 7.
In Fig. 1 to Fig. 4, the 1st substrate (シ one ト) the 1st is made into the insulating material that is made of PET synthetic resin such as (polyethylene terephthalates) laminar, the 1st substrate 1 is formed by the photoconductivity resin, and coating optical adhesive 2 below the 1st substrate 1 forms bonding plane.And, on above-mentioned the 1st substrate 1, dilation 1a is set, utilize above-mentioned adhesive 2 to paste following movable contact 3 in the inboard of this dilation 1a.
The 2nd substrate (シ one ト) 4 is the same with above-mentioned the 1st substrate 1, utilize PET synthetic resin insulating material such as (polyethylene terephthalates) to laminate shape and constitute, utilize to mix and stir or methods such as coating contain the 2nd substrate 4 to hold light or phosphorescent pigment.Also applying adhesive 5 on below the 2nd substrate 4 forms bonding plane.A plurality of circular reach through hole 4a are set, so that above-mentioned movable contact 3 is entered in the hole on the 2nd substrate 4.On this reach through hole 4a, form a kind of binding groove 4b, so that to linking between adjacent above-mentioned reach through hole 4a, the 4a.
Moreover, above-mentioned reach through hole 4a is corresponding with the dilation 1a of above-mentioned the 1st substrate 1 and form, and it has the effect of barbed portion, that is to say, when above-mentioned dilation 1a is pressed and when reversing, the degree that near the 2nd substrate 4 the dilation 1a is stretched can reduce thereupon.
Peel off thin plate (シ one ト) the 6th, insulating material such as paper or the synthetic resin shape of laminating is formed, on this peels off thin plate 6, carry out lift-off processing, it can be stripped down from the bonding plane of the adhesive 5 of above-mentioned the 2nd substrate 4.This peel plate 6 is provided with and the identical a plurality of circular reach through hole 6a of above-mentioned the 2nd substrate 4, a kind ofly links groove 6b so that link between adjacent above-mentioned reach through hole 6a, 6a similarly being provided with on this reach through hole 6a.
Protection thin plate (シ one ト) the 7th, the thin plate that has the insulation film of bonding plane to make in the above, it stick on above-mentioned peel plate 6 below so that stop up above-mentioned a plurality of reach through hole 6a.
In order to assemble the above-mentioned substrate that has contact, at first the bonding plane of the above-mentioned adhesive 5 on being coated in below above-mentioned the 2nd substrate 4 is aimed at above-mentioned the 2nd substrate 4 and make its paste above-mentioned peel off thin plate 6 above.Then, on the thin plate that this applying forms, form above-mentioned reach through hole 4a, 6a and binding groove 4b, 6b as required in many places.In the case, above-mentioned the 2nd substrate 4 and above-mentionedly peel off on the thin plate 6 formed above-mentioned reach through hole 4a, 6a and link groove 4b, 6b with same drift while punch process, so form identical shape.
Then, the bonding plane that utilizes the above-mentioned adhesive 2 of going up coating below above-mentioned the 1st substrate 1 above-mentioned the 1st substrate 1 paste above-mentioned the 2nd substrate 4 above.Then, a plurality of above-mentioned reach through hole 6a below above-mentioned peel plate 6 inserts above-mentioned movable contact 3, on the bonding plane of the following above-mentioned adhesive 2 that is pasted and fixed on above-mentioned the 1st substrate 1 above the dome of above-mentioned movable contact 3.Under this state, above-mentioned movable contact 3 is placed in the above-mentioned reach through hole 4a of above-mentioned the 2nd substrate 4.At last the bonding planes above the above-mentioned protection thin plate 7 are fitted to above-mentioned peeling off on thin plate 6 following, so assembling finishes.
Fig. 1 and Fig. 4 represent that the present invention adopts the structure of the switching device of the substrate that has contact.Circuit board 8 is formed by insulating properties laminated sheets such as phenolic resins etc. among the figure.On this circuit board 8, the circuitous pattern of a plurality of peripheral fixed contacts 9, central fixed contact 10 is set by printing carbon etc. or etching and processing Copper Foil.Operation keys 11 is formed by translucent synthetic resin etc., and its component part has: the operating portion 11a that is pressed, the dilation 1a of above-mentioned the 1st substrate 1 pushed the light guide portion 11c of the light channeling conduct of the light source of pushing teat 11b and coming for the light storage part from LED12 and above-mentioned the 2nd substrate 4 that makes its counter-rotating.The upside that shell 13 is installed to aforesaid operations key 11 is made switching device.
In order to assemble above-mentioned switching device, utilize hand to wait to pull on and state peel plate 6 it is stripped down from the above-mentioned substrate that has contact, the above-mentioned substrate that has contact after peeling off is positioned on the foregoing circuit plate 8, the bonding plane that utilization is coated in the adhesive 5 on above-mentioned the 2nd substrate 4 following pastes on the foregoing circuit plate 8, be pasted and fixed on above it on above-mentioned the 1st substrate 1, make by the periphery lower end of the above-mentioned movable contact 3 of folding and unfolding in the above-mentioned reach through hole 4a of above-mentioned the 2nd substrate 4 and snap on the above-mentioned peripheral fixed contact 9, and top 3a is in the face of above-mentioned central fixed contact 10.
Then, aforesaid operations key 11 is arranged on above-mentioned the 1st substrate 1, in above-mentioned shell 13, assembling is finished.
The below action of the above-mentioned switching device of explanation.When pushing the operating portion 11a of aforesaid operations key 11, above-mentioned movable contact 3 that is pressed by above-mentioned the 1st substrate 1 and the dilation 1a action of reversing, produce the sensation of " card clatter " sound, top 3a snaps on the above-mentioned central fixed contact 10, so the above-mentioned central fixed contact 10 of foregoing circuit plate 8 and above-mentioned peripheral fixed contact 9 are electrically connected.And if the pressing force to the 11a of aforesaid operations portion is removed, then the power that returns elastically owing to above-mentioned movable contact 3 makes the top 3a of above-mentioned movable contact 3 break away from above-mentioned central fixed contact 10, makes to connect to become dissengaged positions.
At this moment, aforesaid operations key 11, because the luminous irradiation of above-mentioned LED12, make the light of being stored in the light storage parts such as the light-storing paint that comprises in above-mentioned the 2nd substrate 4 or phosphorescent pigment produce luminous effect, above-mentioned the 1st substrate 1 and above-mentioned light guide portion 11c by photoconductivity are mapped to illumination on the 11a of aforesaid operations portion.And, utilize the light storage parts that contained in above-mentioned the 2nd substrate 4 can make the roomy scope below the aforesaid operations key 11 luminous, so do not need to adopt as before light guide member.
Like this, produce above-mentioned the 1st substrate 1 of " card clatter " sense during except operation, also arranged superposed comprises above-mentioned the 2nd substrate of light storage part, on the 2nd substrate 4, form a kind of above-mentioned reach through hole 4a as notch part, so as the tensile strength when the counter-rotating portion of mitigation generation " card clatter " sense usefulness reverses, so, operating handle do not influenced, can increase comprise the thickness of light storage part, can increase luminous quantity at interior above-mentioned the 2nd substrate 4.
And in the above-described embodiment, the thickness of above-mentioned the 1st substrate 1 is about 25 microns, and the thickness of above-mentioned the 2nd substrate 4 is about 120～150 microns, wherein can comprise to hold light or phosphorescent pigment particle interior.
Moreover, punching press forms above-mentioned reach through hole 4a on both forward and reverse directions on above-mentioned the 2nd substrate 4, with it as notch part, so that relax the counter-rotating action of the dilation 1a of above-mentioned the 1st substrate 1, make corresponding setting of dilation 1a of this reach through hole 4a and above-mentioned the 1st substrate 1, so be easy to form notch part, be easy to assemble.
Moreover, utilize the photoconductivity plate to form above-mentioned the 1st substrate 1, utilize the above-mentioned adhesives 2 of photoconductivity above-mentioned the 1st substrate 1 paste above-mentioned the 2nd substrate 4 above, on above-mentioned the 2nd substrate 4, form above-mentioned binding groove 4b simultaneously so that at adjacent above-mentioned reach through hole 4a, link between the 4a, so can guarantee from light storage part to the luminous quantity of the operating portion 11a of above-mentioned operation keys 11 and the feel of operation, when pushing above-mentioned movable contact 3 by above-mentioned the 1st substrate 1 simultaneously, air in the dome of dome-type above-mentioned movable contact 3 is directed in the adjacent reach through hole 4a by above-mentioned binding groove 4b, can form hermetically-sealed construction, so, this air can not cause the end of above-mentioned the 1st substrate 1 to float, and can prevent in the dust intrusion contact portion.
Moreover, because many above-mentioned substrate stickings that have contact on general above-mentioned peel plate 6, and it can be stripped down, so, have the substrate carrying and the keeping easily of contact, when it will be assembled in the switching device, supply with easily.
Moreover, the above-mentioned base plate bonding that has contact to the circuit board 8 that is provided with said fixing contact 9,10, is had the switching device that holds optical illumination so that constitute, so, switching device does not need light guide member, can reduce number of components, has improved the flexibility when arranging simultaneously.And, can make below the aforesaid operations key 11 carry out in a big way luminous.
Fig. 5 represents another embodiment of the present invention.The graining board 21 that utilization has formed embossing shape dilation 21a replaces above-mentioned the 1st substrate 1,23 printings of the movable contact that constitutes by the carbon contact be formed on this dilation 21a below make it form an integral body.
If adopt above-mentioned formation, then use above-mentioned graining board (シ one ト) 21 to replace the above-mentioned movable contact 3 that constitutes by dome-shaped metal material, make above-mentioned movable contact 23 form an integral body, so, can reduce number of components, can make assembling work simple simultaneously.
Moreover because above-mentioned movable contact 23 is as a whole with 21 one-tenth of above-mentioned graining boards, so need not be set to assemble the used reach through hole of movable contact on the thin plate 26 peeling off, therefore, also not needing is to stop up used protection thin plate such as reach through hole.
Fig. 6 represents another embodiment of the invention, above-mentioned the 2nd substrate 4 with light storage part be secured at above-mentioned the 1st substrate 1 above.
If adopt this formation, then can be on above-mentioned the 2nd substrate 4 direct layout have the aforesaid operations key 11 of above-mentioned light guide portion 11c, can be to the 11a of aforesaid operations portion irradiation light by above-mentioned the 1st substrate 1.So, can improve illumination, do not need to form above-mentioned the 1st substrate 1 simultaneously with light-guide material, select the degree of freedom of material higher.
Fig. 7 and Fig. 8 represent another other execution modes of the present invention, the structure that the 2nd substrate 34 with light storage part is secured on above-mentioned the 1st substrate 1 top is identical with execution mode shown in Figure 6, a kind of 34b of annular incision portion with pivotal position 34a is set on above-mentioned the 2nd substrate 34 replaces above-mentioned reach through hole 4a, like this, form rounded substantially tongue piece 34c.
And the state after above-mentioned tongue piece 34c is assembled is pushing between the teat 11b below the dilation 1a of above-mentioned the 1st substrate 1 and aforesaid operations key 11.
If adopt above-mentioned formation, then because above-mentioned tongue piece 34c is positioned at the positive bottom of the operating portion 11a of aforesaid operations key 11, so, can directly be mapped to illumination on the 11a of aforesaid operations portion at the light storage part of above-mentioned tongue piece 34c, therefore, can further improve illumination.
Claims (3)
1. substrate that has contact is characterized in that having: the 1st substrate, and it has reversible dilation; Movable contact, it is arranged on the inboard of above-mentioned dilation; And the 2nd substrate, it holds light or phosphorescent pigment constitutes at interior thin plate by comprising, and coincides with above-mentioned the 1st substrate and forms an integral body, has formed a kind of breach on above-mentioned the 2nd substrate, so that when pushing above-mentioned the 1st substrate, allow the counter-rotating action of above-mentioned dilation
Above-mentioned notch part is that utilization punching out reach through hole on the both forward and reverse directions of above-mentioned the 2nd substrate forms, and above-mentioned dilation set on above-mentioned the 1st substrate and above-mentioned reach through hole are provided with on above-below direction in correspondence with each other,
Form above-mentioned the 1st substrate by the photoconductivity plate, by the photoconductivity adhesive above-mentioned the 1st substrate sticking above above-mentioned the 2nd substrate, on above-mentioned the 2nd substrate, formed a kind of binding groove, so that link between the adjacent above-mentioned reach through hole.
2. the substrate that has contact as claimed in claim 1 is characterized in that: have the thin plate of peeling off that has carried out lift-off processing in the above, general above-mentioned peeling off on the thin plate, and it can be stripped down again.
3. switching device, it is characterized in that: have the circuit board that has the substrate of contact and be provided with fixed contact as claimed in claim 1, above-mentioned movable contact be arranged to the opposed state of said fixing contact under, the above-mentioned substrate that has contact is secured on the foregoing circuit plate.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001219367A JP2003036764A (en) | 2001-07-19 | 2001-07-19 | Sheet attached with contact-point and switchgear using the same |
| JP219367/2001 | 2001-07-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1399288A CN1399288A (en) | 2003-02-26 |
| CN1206680C true CN1206680C (en) | 2005-06-15 |
Family
ID=19053380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02126367 Expired - Fee Related CN1206680C (en) | 2001-07-19 | 2002-07-19 | Base plate with joint and switch unit with the plate |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2003036764A (en) |
| CN (1) | CN1206680C (en) |
| TW (1) | TW543054B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101441952B (en) * | 2007-11-19 | 2011-07-13 | 阿尔卑斯电气株式会社 | Sheet with movable contact point and switch apparatus |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4704890B2 (en) * | 2004-11-08 | 2011-06-22 | 株式会社フジクラ | Diaphragm for switch |
| JP4959164B2 (en) * | 2005-09-21 | 2012-06-20 | シチズン電子株式会社 | Seat switch, seat switch module and panel switch |
| JP5023971B2 (en) * | 2007-06-20 | 2012-09-12 | パナソニック株式会社 | Movable contact with light guiding function and input device using the same |
| JP2011003324A (en) * | 2009-06-17 | 2011-01-06 | Toto Ltd | Push button switch |
-
2001
- 2001-07-19 JP JP2001219367A patent/JP2003036764A/en not_active Withdrawn
-
2002
- 2002-06-11 TW TW91112665A patent/TW543054B/en not_active IP Right Cessation
- 2002-07-19 CN CN 02126367 patent/CN1206680C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101441952B (en) * | 2007-11-19 | 2011-07-13 | 阿尔卑斯电气株式会社 | Sheet with movable contact point and switch apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1399288A (en) | 2003-02-26 |
| TW543054B (en) | 2003-07-21 |
| JP2003036764A (en) | 2003-02-07 |
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| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
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| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050615 |