CN1387209A - Button switch - Google Patents
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- CN1387209A CN1387209A CN 02120211 CN02120211A CN1387209A CN 1387209 A CN1387209 A CN 1387209A CN 02120211 CN02120211 CN 02120211 CN 02120211 A CN02120211 A CN 02120211A CN 1387209 A CN1387209 A CN 1387209A
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Abstract
The present invent provides a structure of a push-button switch wherein reduction of material can be obtained through reduction of a material width by changing the bonding bar of a hoop-shaped terminal material into an inner bar and wherein influences of heat and flux at the time of soldering can be reduced. This switch is provided with a resin made housing 1 having a housing part 1a, fixed contact points 2a, 2b wherein a flat metal terminal material is embedded in the bottom part of the housing 1 and wherein one part is protruded and formed in an inner-bottom face of the housing part 1a, a movable contact point 4 capable of contacting and separating from these fixed contact points 2a, 2b, and outer terminals 3a, 3b jointed in succession with the fixed contact points 2a, 2b and led out outward from the side face of the housing 1. A through hole 3d is formed in the terminal material, the terminal material is embedded in the bottom part of the housing 1 by communicating with the resin of the top and bottom faces via this through hole 3d, and the outer terminals 3a, 3b are led out from the side face of the housing 1 onto the same plane as the embedded terminal material.
Description
Technical field
The present invention relates to a kind ofly make cheese movable contact counter-rotating carry out the push-button switch of connection point on-off, relate in particular to the structure of used pocket buttons switch such as portable electric appts by pushing.
Background technology
The structure of the push-button switch in past is shown in Fig. 5～7.Fig. 5 is the skiagraph of push-button switch; Fig. 6 is the plane graph of looped end subassembly; The 7th, the looped end subassembly is embedded in state plane figure in the housing.
The push-button switch in past, its component part has:
Square casing 11, it has the resettlement section;
Fixed contact 12a of central authorities and surrounding fixed contacts 12b, it is disposed in the resettlement section of this housing 11;
Outside terminal 13a, 13b, it is connected on fixed contact 12a of these central authorities and the surrounding fixed contacts 12b, draws from above-mentioned housing 11 sides;
Above-mentioned housing 11 utilizes insulating material such as synthetic resin and the box-shaped of the side's of formation shape, and inside has and is roughly circular resettlement section 11a.Central authorities at this resettlement section 11a are provided with the central fixed contact 12a that is made of conductive metal system terminal component, and its front is exposed on inner bottom surface, a kind of surrounding fixed contacts 12a, 12b that is made of conductive metal system terminal component equally is set on the position opposite one another, both sides of the fixed contact 12a of these central authorities.
Form outstanding outside terminal 13a, 13b to foreign side on the side of above-mentioned housing 11, this outside terminal 13a, 13b utilize above-mentioned terminal component to be connected with surrounding fixed contacts 12b with above-mentioned central fixed contact 12a in above-mentioned housing 11.And said external terminal 13a, 13b form the surface installation type terminal structure.To carrying out crooked halfway downwards with above-mentioned terminal component that above-mentioned central fixed contact 12a is connected with surrounding fixed contacts 12b, in above-mentioned housing 11, form bend 13c, and make said external terminal 13a, the installed surface of 13b on substrate become the height of energy soldering.By bend 13c is set, the said external terminal 13a that stretches out from housing 11 sides, the height adjustment of 13b are made its reduction on above-mentioned terminal component.
Above-mentioned movable contact 14 is formed discoid by the conductive metal plate, the skirt section of its formation is from circumference angle rising in accordance with regulations; The cheese of its formation is heaved 14a and is linked to each other with above-mentioned skirt section.
When being placed to above-mentioned movable contact 14 in the above-mentioned resettlement section 11a, the circumference of above-mentioned movable contact 14 overlap joint is installed on the above-mentioned surrounding fixed contacts 12b set in the 11a of resettlement section.At this moment, above-mentioned cheese heaves the 14a of portion and above-mentioned central fixed contact 12a leaves mutually, and switch becomes dissengaged positions.
Above-mentioned cover plate 15 is formed by the resin plate that is square substantially, being used as the operating portion of pushing above-mentioned movable contact 14 uses, simultaneously, resettlement section 11a to above-mentioned housing 11 covers, above being installed in, so can prevent that above-mentioned movable contact 14 from jumping out and foreign matter such as dust is invaded in the contact portion.
Fig. 6 represents the ring-type terminal component, be connected with surrounding fixed contacts 12b with above-mentioned central fixed contact 12a and be drawn out to the said external terminal 13a outside the above-mentioned housing 11, the extension side of 13b, forming a kind of and said external terminal 13a, 13b is connected and the longitudinal edge bar 13d of portion that extends to vertical direction.And, be connected with the above-mentioned longitudinal edge bar 13d of portion, and on the direction perpendicular, on the horizontal outer fix of terminal component, forming the connection edge strip 13e of portion with it, on this connection edge strip 13e of portion, form the pilot hole 13f that a kind of feeding is at a certain distance used.In this pilot hole 13f, insert not shown mould guide finger, the looped end subassembly is transmitted successively process.
Fig. 7 represents the looped end subassembly is buried underground state in the above-mentioned housing 11.The state that exposes with the surface on the 11a inner bottom surface of the resettlement section of above-mentioned housing 11 is provided with above-mentioned central fixed contact 12a and surrounding fixed contacts 12b.From this state said external terminal 13a, the 13b that draws from above-mentioned housing 11 sides extended side and cut off, can obtain the above-mentioned housing 11 of single-piece.
Yet, in the push-button switch structure in above-mentioned past, owing in above-mentioned housing 11, terminal component is carried out bending, so, carry out punch process at above-mentioned terminal component to ring-type, to said external terminal 13a, when 13b and above-mentioned central fixed contact 12a and surrounding fixed contacts 12b form, in order to prevent to constitute said external terminal 13a, the bending machining amount of the part of 13b causes ring-shaped material to be elongated, must with constitute outside terminal 13a, the part of 13b is compared on the horizontal outer fix of ring, above-mentioned connection edge strip 13e is set, must makes the corresponding increase of width of ring material, therefore, waste material appears, the problem that can't reduce cost.
For this reason, can consider the extraction location of the said external terminal 13a, the 13b that draw from above-mentioned housing 11 sides set low, make its height can soldering, the terminal components in the housing 11 are processed into the plane.But the problem of existence is: the wall thickness reduction of the housing 11 below the terminal component, Resin Flow is bad when being shaped, and can not be shaped.
And, such problem may occur when switch carries out soldering: the heat that is added on said external terminal 13a, the 13b is sent on the terminal component, be added to easily on above-mentioned central fixed contact 12a and the surrounding fixed contacts 12b, melt around making fixed contact, connecting point position is changed, perhaps make cover plate 15 distortion.
The content of invention
So, the objective of the invention is to address the above problem, a kind of like this push-button switch structure is provided, promptly the connection edge strip of the terminal component of ring-type is made into interior edge strip, to reduce component width, reduce material usage, the heat in the time of soldering can being reduced simultaneously and the influence of solder flux.
In order to address the above problem, the 1st scheme of the present invention is characterized in that having:
Resin system housing, it has the resettlement section;
Fixed contact, its tabular metallic terminal component is buried underground in the above-mentioned housing bottom, makes a part give prominence on the inner bottom surface of above-mentioned resettlement section and form;
Movable contact, it can contact with this fixed contact and throw off; And
Outside terminal, it is connected with the said fixing contact, from above-mentioned case side towards outside draw,
On above-mentioned terminal component, form reach through hole, by this reach through hole the resin of top and bottom is communicated with, above-mentioned terminal component is buried underground in the above-mentioned housing bottom, simultaneously, draw the said external terminal from above-mentioned housing side, make itself and the above-mentioned terminal component of being buried underground form same flat state.
Moreover the 2nd scheme is characterized in that: above-mentioned reach through hole is formed near the lead division of said external terminal of the above-mentioned terminal component of being buried underground in the above-mentioned housing bottom.
Moreover the 3rd scheme is characterized in that: above-mentioned reach through hole is formed on playing on a plurality of positions in the interval that said fixing contact protuberance ends from above-mentioned terminal component lead division of the above-mentioned terminal component buried underground in the above-mentioned housing bottom.
Description of drawings
Fig. 1 is the skiagraph of the push-button switch of expression the present invention the 1st execution mode.
Fig. 2 is the plane graph of looped end subassembly of the push-button switch of expression the 1st execution mode of the present invention.
Fig. 3 is the plane graph that the looped end subassembly of the push-button switch of expression the 1st execution mode of the present invention is embedded in the state in the shell.
Fig. 4 is the ground plan of housing of the push-button switch of expression the present invention the 1st execution mode.
Fig. 5 is the skiagraph of expression push-button switch in the past.
Fig. 6 is the plane graph of expression looped end subassembly in the past.
Fig. 7 is the plane graph that expression looped end subassembly in the past is embedded to the state in the housing.
Embodiment
Below push-button switch execution mode of the present invention be shown in Fig. 1 to Fig. 4.
Among the figure, housing 1 forms square case shape by insulating material such as synthetic resin, and it is shaped as square, has opening, inside that resettlement section 1a is arranged above.A kind of central fixed contact 2a that is made of conductive metal system terminal component is set and makes it outstanding from terminal component in the inner bottom surface centre of the resettlement section of this housing 1 1a, upper face side exposes, on the position opposite one another, both sides of the fixed contact 2a of these central authorities, a kind of surrounding fixed contacts 2b, 2b that is made of conductive metal system terminal component equally is set, and making it outstanding from terminal component, upper face side exposes.And, on the opposed lateral surface of above-mentioned housing 1, form outwards outstanding outside terminal 3a, 3b.
Said external terminal 3a, 3b are connected with surrounding fixed contacts 2b with above-mentioned central fixed contact 2a by above-mentioned terminal component in above-mentioned housing 1, and this connecting portion 3c is not provided with bend, form same planely, are embedded in above-mentioned housing 1 bottom.
And the connecting portion 3c of above-mentioned terminal component goes up and forms many reach through hole 3d of break-through up and down.By forming this reach through hole 3d, when above-mentioned terminal component being buried underground in the bottom surface of housing 1, can the resin of top and bottom be communicated with by this reach through hole 3d, so, when inserting when being shaped, resin also flow into the following side of above-mentioned housing 1 easily by above-mentioned reach through hole 3d, so, can not take place to lack material (shorting), can improve forming accuracy.
Therefore, in face is installed, must be the height setting of outside terminal 3a, 3b to being lower than solder thickness (about 0.1mm).Because can be the corresponding thin-walled of the following formation of housing 1, outwards draw from the lateral surface of housing 1 at following above-mentioned terminal component of flat state, so, need bend be set at the lead division of said external terminal 3a, 3b, the edge strip portion that connects need be set separately in the outside of ring-shaped material, therefore, the material width can be reduced to encircle, material usage can be reduced.
Moreover, one of above-mentioned reach through hole 3d is formed near the lead division of said external terminal 3a, 3b of the above-mentioned terminal component of burying underground above-mentioned housing 1 bottom, so, when welding, be added to heat on said external terminal 3a, the 3b and be subjected to the control of the reach through hole 3d of above-mentioned terminal component, be difficult to be delivered to above-mentioned central fixed contact 2a and surrounding fixed contacts 2b side, therefore, can reduce resin by the influence of change of scolding tin heat melts connecting point position or 5 distortion of following system etc.
Moreover above-mentioned reach through hole 3d is formed on many positions, and its interval is that the protuberance that the lead division of said external terminal 3a, the 3b of the above-mentioned terminal component buried underground from above-mentioned housing 1 bottom plays above-mentioned central fixed contact 2a and surrounding fixed contacts 2b ends.So, utilizing the resin of many above-mentioned reach through hole 3d and the filling of inner institute thereof, can increase along surface degree of wriggling distance, therefore, can reduce the solder flux rising.Have, the conduction that the time is added in the heat of outside terminal 3a, 3b when welding is stoped successively by many reach through hole 3d again, so, can further reduce the influence of scolding tin heat such as above-mentioned connecting point position change conscientiously.
Moreover, said external terminal 3a, 3b are welded on the upper face side of no illustrated printed circuit board and the surface installation type terminal structure that uses, it is arranged near the bottom surface side of above-mentioned housing 1, the height that makes said external terminal 3a, the installed surface of 3b on printed circuit board be able to weld.
Moreover, four bights in the bottom surface of above-mentioned housing 1 form the recess 1b with bottom surface and gap, the state of side is provided with said external terminal 3a, 3b below exposing on this recess 1b, when on no illustrated printed circuit board, welding said external terminal 3a, 3b, make scolding tin from around flow into outside terminal 3a, 3b in the above-mentioned recess 1b below side so that fixing securely.
Moreover, in the 1a of the resettlement section of above-mentioned housing 1, the position that is provided with at above-mentioned surrounding fixed contacts 2b is planted a kind of concave part 1c of formation on every side, is used to make this surrounding fixed contacts 2b to leave the sidewall of above-mentioned housing 1, prevents that resin covers on the surrounding fixed contacts 2b when being shaped.
Movable contact 4 is formed discoid substantially by the conductive metal plate, the skirt section 4b of its formation from circumference in accordance with regulations angle to rising; Cheese is heaved the 4a of portion and is linked to each other with this skirt section 4b, and this is heaved becomes central contact portion below the top of the 4a of portion.And, on the circumference of above-mentioned movable contact 4, form outwards outstanding teat (not having diagram) on the position of diametrically contraposition, this teat be to give prominence to base portion with the neighboring of above-mentioned skirt section 4b, is arranged to the state with the substantially parallel extension of resettlement section 1a inner bottom surface of above-mentioned housing 1.
Above-mentioned teat is the cut-out residual fraction that remains in when from the connection edge strip portion that does not have illustrated ring material many above-mentioned movable contacts 4 being cut into single-piece respectively on above-mentioned movable contact 4 circumferences, connect edge strip portion by being provided with, can obtain many above-mentioned movable contacts 4.And when above-mentioned movable contact 4 was placed in the resettlement section 1a of above-mentioned housing 1, this teat was disposed in the above-mentioned concave part 1c, prevents from above-mentioned housing 1 is counteracted.
When above-mentioned cylinder 5 was carried out pressing operation, formed stage portion 1d overlapped mutually on the bottom surface circumference of the bottom of above-mentioned chimb 5c and above-mentioned resettlement section 1a, further is pressed into inwards thereby limit above-mentioned cylinder 5.And when above-mentioned cylinder 5 resetted, above-mentioned convex edge 5c was stuck on the inner face of following cover plate 6, and this cover plate 6 is fixed on the peristome upper face side of the resettlement section 1a of above-mentioned housing 1, prevented that with this above-mentioned cylinder 5 from outwards jumping out.
Fig. 2 represents the ring-type terminal component, and it is formed by the strip metal plate.Central authorities at this terminal board form many above-mentioned central fixed contact 2a and surrounding fixed contacts 2b.The both sides of fixed contact 2a of these central authorities and surrounding fixed contacts 2b be short side direction about, connecting portion 3c is set respectively, this connecting portion 3c extends opposite one another at grade abreast, which is provided with many above-mentioned reach through hole 3d.And the state that above-mentioned central fixed contact 2a and surrounding fixed contacts 2b form is: a side is outstanding slightly upward from above-mentioned connecting portion 3c.
Distolaterally form said external terminal 3a, 3b by same flat shape equally at another that connects by above-mentioned connecting portion 3c, extension side at this outside terminal 3a, 3b forms the connection edge strip 3e of portion, it is made of interior edge strip, should be connected with outside terminal 3a, 3b by interior edge strip, extend in vertical direction.Utilize this connection edge strip 3e of portion to connect above-mentioned connecting portion 3c up and down, above-mentioned central fixed contact 2a and surrounding fixed contacts 2b are at regular intervals opposite one another.
And, on the above-mentioned connection edge strip 3e of portion, form a kind of pilot hole 3f that transmits usefulness at a certain distance.In this pilot hole 3f, insert no illustrated mould guide finger, the looped end subassembly is transmitted successively and processes.
Fig. 3 represents the looped end subassembly is buried underground state in the above-mentioned housing 1, on the inner bottom surface of the resettlement section of above-mentioned housing 1 1a, is provided with from above-mentioned connecting portion 3c with the state that exposes and goes up outstanding above-mentioned central fixed contact 2a and surrounding fixed contacts 2b.Cut off the said external terminal 3a that draws from above-mentioned housing 1 side, the extension side of 3b from this state, can obtain the above-mentioned housing 1 of single-piece like this.
The below action of the push-button switch of the above-mentioned formation of explanation.
As shown in Figure 1, under above-mentioned cylinder 5 is not pressed the state of operating, above-mentioned movable contact 4, with the outstanding base portion of the opposed above-mentioned teat 4c of the circumference of above-mentioned skirt section 4b with contact above above-mentioned surrounding fixed contacts 2b, the 2b, but the dome-shaped above-mentioned 4a of portion that heaves is in the state that separates with above-mentioned central fixed contact 2a, and switch is in dissengaged positions.
If with finger etc. above-mentioned cylinder 5 is carried out pressing operation from this state, then be arranged on above-mentioned below the operating portion 5a of above-mentioned cylinder 5 and push above pushing the portion of the heaving 4a top of teat 5b above-mentioned movable contact 4, this is heaved the 4a of portion push downwards.
At this moment, the 4a of the portion of heaving of above-mentioned movable contact 4 is pressed against the below, so, above-mentioned movable contact 4, its above-mentioned 4a of portion that heaves reverses downwards.Therefore, contact with above-mentioned central fixed contact 2a below the above-mentioned top of heaving the 4a of portion, above-mentioned surrounding fixed contacts 2b, 2b and central fixed contact 2a conducting, switch is in on-state.
Meanwhile, in the outer peripheral edges portion of above-mentioned cylinder 5 in the bottom of formed above-mentioned convex edge 5c and the above-mentioned resettlement section 1a the last face of formed above-mentioned stage portion 1d overlap mutually, so the formation retainer, continuing to be pressed into and limit above-mentioned cylinder 5.
If from the pressing force of this state releasing to above-mentioned cylinder 5, then above-mentioned movable contact 4 above-mentioned heaved the 4a of portion and relies on the elastic force of self and reverse, and returns to initial state, simultaneously, at this moment active force is upwards pushed above-mentioned cylinder 5, makes it return to original position.At this moment, along with above-mentioned counter-rotating of heaving the 4a of portion, leave above-mentioned central fixed contact 2a below the above-mentioned top of heaving the 4a of portion, switch becomes dissengaged positions.
If adopt above-mentioned formation, then tabular metallic terminal component is buried underground the bottom of above-mentioned housing 1, make a part outstanding on the inner bottom surface of above-mentioned resettlement section 1a, form above-mentioned central fixed contact 2a and surrounding fixed contacts 2b, make said external terminal 3a, 3b is connected with surrounding fixed contacts 2b with above-mentioned central fixed contact 2a, outwards draw from above-mentioned housing 1 side, on above-mentioned terminal component, form reach through hole 3d, by this reach through hole 3d the resin of top and bottom is communicated with, above-mentioned terminal component is buried underground the bottom of above-mentioned housing 1, simultaneously, with the flat state identical by the above-mentioned terminal component buried underground under said external terminal 3a, 3b draws from above-mentioned housing 1 side.So, when in the bottom surface of above-mentioned terminal component being buried underground housing 1, the resin of top and bottom is communicated with by above-mentioned reach through hole 3d, inserting when being shaped, resin also is easy to flow into the following side of above-mentioned housing 1 by above-mentioned reach through hole 3d.Therefore can not produce to lack and expect, can improve forming accuracy.
Moreover, because resin also is easy to flow into the following side of above-mentioned housing 1,, can outwards draw from the lateral surface of housing 1 at following above-mentioned terminal component of flat state so can below above-mentioned housing 1, be processed into thin-walled, form said external terminal 3a, 3b.So, need on the lead division of said external terminal 3a, 3b, bend be set, connection edge strip portion need be set in addition in the outside of ring material, therefore can reduce to encircle the material width, can reduce material usage.
The effect of invention
As mentioned above, press button of the present invention has:
The resin housing, it has the resettlement section;
Fixed contact, its tabular metal-made terminal component is buried underground in the above-mentioned housing bottom, Make a part give prominence on the inner bottom surface of above-mentioned resettlement section and form;
Movable contact, it can contact with this fixed contact and throw off; And
Outside terminal, it is connected with above-mentioned fixed contact, from above-mentioned case side towards outside draw,
Form reach through hole at above-mentioned terminal component, make the resin of top and bottom by this reach through hole Be communicated with, above-mentioned terminal component is buried underground in the above-mentioned housing bottom, simultaneously, from above-mentioned housing The said external terminal is drawn in the side, and it is same flat that itself and the above-mentioned terminal component of being buried underground are formed Surface state.
So, when in the bottom surface of above-mentioned terminal component being buried underground housing, wear by above-mentioned Through hole can make the resin of top and bottom be communicated with, and when inserting shaping, resin is by above-mentioned reach through hole Also be easy to flow into the following side of above-mentioned housing. Therefore can not produce to lack and expect, can improve into The shape precision. And, can below above-mentioned housing, be processed into thin-walled, can be under flat state Terminal component is outwards drawn from the lateral surface of housing 1, form outside terminal. So, no Need to bend be set at the lead division of said external terminal, need to be in the outside of ring material The edge strip section that connects is set in addition. Therefore, the material width can be reduced to encircle, material usage can be reduced, Reduce cost.
Moreover above-mentioned reach through hole is formed on the above-mentioned terminal component that above-mentioned housing bottom is buried underground The lead division of said external terminal near, so, when welding, be added to the said external end Heat on the son is subjected to the inhibition of the reach through hole of above-mentioned terminal component, be difficult to be delivered to above-mentioned in Therefore centre fixed contact and surrounding fixed contacts side, can reduce resin by the scolding tin heat melts Make the impact of connecting point position change or cylinder distortion etc.
Moreover above-mentioned reach through hole is formed on many positions, and its interval is from above-mentioned housing The lead division of the said external terminal of the above-mentioned terminal component that the bottom is buried underground plays fixed contact Protuberance end. So, utilize the resin of many above-mentioned reach through holes and the filling of inner institute thereof, Can increase along surface distance, therefore, can reduce solder flux and rise.
Claims (3)
1. push-button switch is characterized in that having:
Resin system housing, it has the resettlement section;
Fixed contact, its tabular metallic terminal component is buried underground in the above-mentioned housing bottom, makes a part give prominence on the inner bottom surface of above-mentioned resettlement section and form;
Movable contact, it can contact with this fixed contact and throw off; And
Outside terminal, it is connected with the said fixing contact, from above-mentioned case side towards outside draw,
On above-mentioned terminal component, form reach through hole, by this reach through hole the resin of top and bottom is communicated with, above-mentioned terminal component is buried underground in the above-mentioned housing bottom, simultaneously, draw the said external terminal from above-mentioned housing side, make itself and the above-mentioned terminal component of being buried underground form same flat state.
2. push-button switch as claimed in claim 1 is characterized in that, above-mentioned reach through hole is formed near the said external terminal lead division of the above-mentioned terminal component that is embedded in above-mentioned housing bottom.
3. push-button switch as claimed in claim 1 or 2, it is characterized in that: above-mentioned reach through hole is formed on many positions, and its scope interval is that the protuberance that the said external terminal lead division of the above-mentioned terminal component buried underground from above-mentioned housing bottom plays the said fixing contact ends.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001/148946 | 2001-05-18 | ||
| JP2001148946A JP2002343179A (en) | 2001-05-18 | 2001-05-18 | Push-button switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1387209A true CN1387209A (en) | 2002-12-25 |
| CN1187777C CN1187777C (en) | 2005-02-02 |
Family
ID=18994181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021202117A Expired - Fee Related CN1187777C (en) | 2001-05-18 | 2002-05-16 | Button switch |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2002343179A (en) |
| CN (1) | CN1187777C (en) |
| TW (1) | TW535181B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015162448A (en) * | 2014-02-28 | 2015-09-07 | 株式会社小松ライト製作所 | Breaker, and safety circuit and secondary battery circuit provided with the same |
-
2001
- 2001-05-18 JP JP2001148946A patent/JP2002343179A/en active Pending
-
2002
- 2002-04-09 TW TW91107104A patent/TW535181B/en not_active IP Right Cessation
- 2002-05-16 CN CNB021202117A patent/CN1187777C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| TW535181B (en) | 2003-06-01 |
| JP2002343179A (en) | 2002-11-29 |
| CN1187777C (en) | 2005-02-02 |
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|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050202 Termination date: 20100516 |