CN1297998C - Electronic installation and keyboard assembly thereof - Google Patents
Electronic installation and keyboard assembly thereof Download PDFInfo
- Publication number
- CN1297998C CN1297998C CNB031593682A CN03159368A CN1297998C CN 1297998 C CN1297998 C CN 1297998C CN B031593682 A CNB031593682 A CN B031593682A CN 03159368 A CN03159368 A CN 03159368A CN 1297998 C CN1297998 C CN 1297998C
- Authority
- CN
- China
- Prior art keywords
- contact
- keyboard
- electronic installation
- top cover
- circuit board
- 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.)
- Expired - Lifetime
Links
Images
Landscapes
- Input From Keyboards Or The Like (AREA)
Abstract
The present invention relates to an electronic device which comprises a shell with an open end, a master circuit board and a keyboard assembly, wherein the circuit board is arranged in the shell and provided with at least one first contact point; the keyboard assembly is combined with the shell for covering the opening and provided with at least one second contact point which is fixed on a position on the keyboard module. In addition, when the Keyboard module is combined with the shell, the second contact points are respectively contacted with corresponding first contact points for establishing a signal connection.
Description
(1) technical field
The relevant a kind of keyboard components of the present invention particularly is electrically connected with electronic installation about a kind of utilization contact, so that the keyboard components of installing and taking out.
(2) background technology
In known techniques, keyboard can utilize different modes to set up the signal connection with electronic installation.Wherein a kind of mode is to utilize the connector in the soft printing winding displacement insertion body of one section of keyboard protrusion to set up the signal connection.This section soft printing winding displacement length and big I are different according to the difference of design needs, and shape can be symmetry or dissymmetrical structure.This connected mode is quite common in the present notebook computer.
Fig. 1 shows that one has the electronic installation 1 of keyboard, and it comprises a housing 11 and a keyboard 20.Keyboard 20 has the soft printing winding displacement 22 of one section of protrusion.By a connector 15 that this soft printing winding displacement 22 is inserted and is linked in the housing 11, keyboard 20 can carry out the binding and the communication of signal with electronic installation 1.
Yet above-mentioned this keyboard has following inconvenience when assembling and taking-up:
1. in the assembling stage, the operating personnel needs soft printing winding displacement 22 is pulled to connector 15 and inserts combination, and the action that operator is assembled soft printing winding displacement 22 is often limited in the space in this housing 11.
2. soft printing winding displacement 22 needs the reason line, oversize other elements of easy interference of length, and length is too short, and the operating personnel is difficult for assembling.
3. the maintenance personal picks up and repaiies and the user picks up voluntarily to repair also and needs unclamp connector 15 by the space of housing 11, and this process often causes connector 15 loosening and soft printing winding displacements 22 wearing and tearing, and this picks up the maintenance personal and repaiies and user and inconvenient.
(3) summary of the invention
In view of this, the present invention provides a kind of keyboard that do not need and manages line, and shorten and assemble man-hour, and the fast simple electronic installation that keyboard is assembled and disassembled, and then the convenient for maintaining personnel overhaul or the user keeps in repair voluntarily.
For reaching above-mentioned purpose, electronic installation proposed by the invention comprises a housing, a main circuit board and a keyboard components.Housing has an opening, when keyboard components and shell combination, hides this opening.Main circuit board is arranged in the housing and has at least one first contact.Keyboard has at least one second contact, and the position of second contact on keyboard is fixing.When keyboard components and shell combination, second contact respectively with the contact of corresponding first contact, connect to set up signal; Be characterized in: this keyboard components comprises that a keyboard circuit and is in order to support the support base plate of this keyboard circuit portion, this keyboard circuit also has an extension, this support base plate also has at least one cut, this second contact is arranged at this extension and is exposed to this cut top, to contact with first contact of this correspondence.
Keyboard components can comprise at least one button top cover, at least one button supporting construction and a keyboard pcb.The button supporting construction is arranged between keyboard pcb and the button top cover, with the support keys top cover, when the button top cover is subjected to one during by pressure, the button supporting construction can locally change shape, after pressure disappeared, the button supporting construction was replied original shape, and the button top cover is pushed back former height.When the button top cover was pressed down, keyboard pcb can be sent out an electric signal, and this electric signal is to be sent to main circuit board via second contact and first contact.
In a preferred embodiment, above-mentioned keyboard pcb can be a soft printing winding displacement.When keyboard pcb adopted soft printing winding displacement, soft printing winding displacement can have an extension, and it protrudes from the support base plate, and reflexed and be fixed in the support floor below.Second contact is positioned at this extension zone, and its and electrical connection corresponding with first contact.
In another preferred embodiment, above-mentioned keyboard pcb also can be a hard circuit board.When keyboard pcb was the hard circuit board, second contact was distributed in this break location, and is corresponding with this first contact and be connected.
In another preferred embodiment, above-mentioned keyboard pcb also can be a thicker hard circuit board.Because of the thickness of thicker hard circuit board is thicker, have enough rigid support button top covers, button supporting construction and keyboard circuit portion.Second contact is distributed in the following top layer of this hard circuit board, and its and electrical connection corresponding with first contact.
In another preferred embodiment, above-described first contact can be the shell fragment that is connected in the spring-piece type connector on the main circuit board, and second contact is the conductive region that is exposed in the keyboard circuit portion.
In another preferred embodiment, above-described first contact also can be the conductive region that is exposed on the main circuit board, and second contact is the shell fragment that is connected in the spring-piece type connector of keyboard circuit portion.
For above-mentioned and other purposes of the present invention, characteristics and advantage can be become apparent, a preferred embodiment cited below particularly, and conjunction with figs. is elaborated as follows.
(4) description of drawings
Fig. 1 is the connection diagram for known keyboard and main circuit board.
Fig. 2 is the three-dimensional combination figure for electronic installation of the present invention.
Fig. 3 is the housing of electronic installation and the schematic diagram of main circuit board.
Fig. 4 is the keyboard exploded view of the present invention in a preferred embodiment, and wherein the material of keyboard circuit portion is a soft printing winding displacement.
Fig. 5 is the schematic diagram that is assembled into housing for the keyboard of the present invention in a preferred embodiment, and wherein the material of keyboard circuit portion is a soft printing winding displacement.
Fig. 6 is the three-view diagram for the keyboard of the present invention in a preferred embodiment, and wherein the material of keyboard circuit portion is a soft printing winding displacement.
Fig. 7 is the keyboard exploded view of the present invention in another preferred embodiment, and wherein the material of keyboard circuit portion is a hard circuit board.
Fig. 8 is the keyboard three-view diagram of the present invention in another preferred embodiment, and wherein the material of keyboard circuit portion is a hard circuit board.
Fig. 9 is the keyboard exploded view of the present invention in another preferred embodiment, and wherein the material of keyboard circuit portion is a thicker hard circuit board.
Figure 10 is the keyboard three-view diagram of the present invention in another preferred embodiment, and wherein the material of keyboard circuit portion is a thicker hard circuit board.
Figure 11 is the keyboard exploded view of the present invention in another preferred embodiment, and wherein first contact is a plurality of small-sized conductive regions, and second contact is to be fixed in shell fragment on second connector of the made keyboard circuit of soft printing winding displacement portion.
Figure 12 is the keyboard exploded view of the present invention in another preferred embodiment, and wherein first contact is a plurality of small-sized conductive regions, and second contact is to be fixed in shell fragment on second connector of the made keyboard circuit portion of hard circuit board.
Figure 13 is the keyboard exploded view of the present invention in another preferred embodiment, and wherein first contact is a plurality of small-sized conductive regions, and second contact is to be fixed in shell fragment on second connector of the strong and keyboard circuit portion that thicker hard circuit board is made of rigidity.
(5) embodiment
As shown in Figures 2 and 3, electronic installation 30 comprises a housing 31, a main circuit board 32 and a keyboard components 50.Housing 31 has an opening 35, keyboard components 50 is opening 35 places that are arranged at housing 31, main circuit board 32 is arranged in housing 31, one first connector 34 is fixed on the main circuit board 32, and at least one first contact 33 is to be arranged on first connector 34, wherein first contact 33 has elasticity, meeting local deformation when being stressed, and pressure disengages the back replys original shape.
See also Fig. 4, this keyboard components 50 has at least one button top cover 51, a button supporting construction 53 and a keyboard circuit portion 60.Depress each button top cover 51 and respectively represent different signal inputs, and all there is corresponding button supporting construction 53 each button top cover 51 below, provide support and fixing button top cover 51, when pressing down this button top cover 51, button supporting construction 53 can locally change shape, instantly after amount of pressure disappeared, button supporting construction 53 was replied original shape, and button top cover 51 is pushed back former height.
See also Fig. 4 and, Fig. 5 and Fig. 6, a keyboard circuit portion 60 is positioned at this button supporting construction 53 belows, keyboard circuit portion 60 comprises at least one keyboard contact point 61, at least one second contact 63, a signal transmission line 65, a dielectric substrate 67.Keyboard contact point 61 is distribution and a plurality of small-sized conductive region that is exposed to dielectric substrate 67 top layers, and its position is corresponding with each button top cover 51, when the user presses down button top cover 51 and button supporting construction 53, hit keyboard contact point 61,61 of keyboard contact points are sent out the electric signal of representing button top cover 51.
See also Fig. 4 and, Fig. 5 and Fig. 6, in a preferred embodiment, the material of keyboard circuit portion 60 is that soft printing winding displacement is made, because of soft printing winding displacement rigidity deficiency, can't have supporting role, therefore keyboard circuit portion 60 belows also have a support base plate 55, so that the support of button top cover 51, button supporting construction 53 and keyboard circuit portion 60 to be provided.Keyboard circuit portion 60 also has an extension 69, and extension 69 is to protrude to support base plate 55, and reflexed and stick to be fixed in and support base plate 55 belows, and second contact 63 is arranged at extension 69, and second contact 63 and the 33 corresponding and electrical connections of first contact.
In another preferred embodiment, as shown in Figures 7 and 8, the material of the 60a of keyboard circuit portion is that the hard circuit board is made, and a support base plate 55a is in order to strengthen rigidity and support keys top cover 51, button supporting construction 53 and the 60a of keyboard circuit portion.This supports base plate 55a and also has at least one cut 57a.One second contact 63a is distribution and a plurality of small-sized conductive region that is exposed to top layer under the 60a of keyboard circuit portion, and it is positioned at cut 57a top, and the second contact 63a and the 33 corresponding and electrical connections of first contact.Signal transmission line 65a then between dielectric substrate 67a, is subjected to the protection of dielectric substrate 67a, and signal transmission line 65a links each keyboard contact point 61a and the second contact 63a, and electric signal is transferred to the second contact 63a by keyboard contact point 61a.
In another preferred embodiment, as Fig. 9 and shown in Figure 10, wherein the material of the 60b of keyboard circuit portion is made for being a thicker hard circuit board, but its thickness is thicker and have enough rigid support button top covers 51, button supporting construction 53 and a 60b of keyboard circuit portion.The second contact 63b is for distributing and being exposed to a plurality of small-sized conductive region on top layer under the dielectric substrate 67b and itself and the 33 corresponding and electrical connections of first contact.
In addition, in another preferred embodiment, as shown in figure 11, the first contact 33c is a distribution and a plurality of small-sized conductive region that is exposed to main circuit board 32c top layer, and the second contact 63c is fixed in shell fragment on second connector 70 of the made extension 69c of soft printing winding displacement, and the first contact 33c is a relation corresponding and that be electrically connected with the second contact 63c.
In another preferred embodiment, as shown in figure 12, the first contact 33c is a distribution and a plurality of small-sized conductive region that is exposed to main circuit board 32c top layer, and the second contact 63d is fixed in shell fragment on the 3rd connector 71 of the made 60d of keyboard circuit portion of hard circuit board, and a support base plate 55a is in order to the reinforcement rigidity and supports the 60d of keyboard circuit portion that this supports base plate 55a and also has at least one cut 57a.The second contact 63d protrudes from cut 57a, and the first contact 33c has relation corresponding and that be electrically connected with the second contact 63b.
In another preferred embodiment, as shown in figure 13, the first contact 33c is a distribution and a plurality of small-sized conductive region that is exposed to main circuit board 32c top layer, and the second contact 63e is fixed in shell fragment on the 4th connector 72 of the 60e of keyboard circuit portion that rigidity is strong and thicker hard circuit board is made, and the first contact 33c has relation corresponding and that be electrically connected with the second contact 63e.
According to this invention, in assembling and when taking out keyboard components 50, the maintenance personal does not need the soft printing winding displacement 22 of keyboard components 50 to be inserted connectors 15 as shown in Figure 1 the known techniques.The maintenance personal only needs keyboard components 50 is placed in opening 35 places of housing 31, and second contact 63 of keyboard components 50 just can contact with first contact 33 of main circuit board 32 and be electrically connected.Therefore, keyboard components 50 proposed by the invention has and is easy to install, and saves man-hour, and convenient for maintaining personnel maintenance or user technology effect such as maintain and replace voluntarily.
Though this application has discloses as above with preferred embodiment; yet it is not in order to limit the present invention; any person skilled in the art person without departing from the spirit and scope of the present invention; all equivalence changes or equivalence is replaced when making, so protection scope of the present invention is when looking being as the criterion that accompanying Claim defines.
Claims (28)
1. electronic installation comprises:
One housing, it has an opening;
One main circuit board, it is arranged in this housing, and this main circuit board has at least one first contact;
One keyboard components, itself and this shell combination is to hide this opening, this keyboard components has at least one second contact, this second contact position on keyboard is fixing, and when this keyboard components and this shell combination, this second contact respectively with corresponding this first contact contact, connect to set up signal;
It is characterized in that, this keyboard components comprises that a keyboard circuit and is in order to support the support base plate of this keyboard circuit portion, this keyboard circuit also has an extension, this support base plate also has at least one cut, this second contact is arranged at this extension and is exposed to this cut top, to contact with first contact of this correspondence.
2. electronic installation as claimed in claim 1 is characterized in that the shell fragment that this first contact is a spring-piece type connector.
3. electronic installation as claimed in claim 1 is characterized in that this first contact is the conductive region that is exposed on this main circuit board.
4. electronic installation as claimed in claim 1 is characterized in that this keyboard components comprises:
At least one button top cover;
At least one button supporting construction, it is arranged between this keyboard pcb and this button top cover, to support this button top cover, when this button top cover is subjected to one during by pressure, this button supporting construction can locally change shape, after pressure disappeared, this button supporting construction was replied original shape, and this button top cover is pushed back former height;
One keyboard pcb, it is positioned at this button supporting construction below, and this keyboard circuit portion also comprises:
At least one keyboard contact point, its position is corresponding with this button top cover, and when this button top cover was pressed down, this keyboard contact point was sent out an electric signal, and this electric signal is to be sent to this main circuit board via this second contact and this first contact;
One signal transmission line links each this keyboard contact point and this second contact, with user's input action, converts electric signal to and is sent in this body; And
One dielectric substrate is non-conductive material in this keyboard circuit portion, prevents that this signal transmission line and external object are short-circuited.
5. electronic installation as claimed in claim 4 is characterized in that this keyboard pcb is a soft printing winding displacement.
6. electronic installation as claimed in claim 4 is characterized in that this keyboard pcb is a hard circuit board.
7. electronic installation as claimed in claim 6 is characterized in that this second contact is the conductive region that is exposed to this hard circuit board lower surface, and this second contact is corresponding with this first contact and electrical connection.
8. electronic installation as claimed in claim 6 is characterized in that this second contact is the shell fragment that is connected in a spring-piece type connector of this hard circuit board lower surface, and this second contact is corresponding with this first contact and electrical connection.
9. electronic installation as claimed in claim 4 is characterized in that this support base plate is positioned at this keyboard circuit subordinate side, this button top cover, this button supporting construction is provided, reaches this keyboard circuit portion support and fixing.
10. electronic installation as claimed in claim 9 is characterized in that this break location is corresponding with this first contact, and first contact is connected with second contact.
11. electronic installation as claimed in claim 9 is characterized in that this keyboard circuit portion is a soft printing winding displacement, this extension is to protrude from this support base plate, and reflexed and be fixed in this support floor below.
12. electronic installation as claimed in claim 11 is characterized in that this extension is to stick in this support floor below.
13. electronic installation as claimed in claim 11 it is characterized in that this second contact is the conductive region that is exposed to this extension, and this first contact of position and each is corresponding.
14. electronic installation as claimed in claim 11 it is characterized in that this second contact is the shell fragment that is connected in one second connector of this extension, and this first contact of position and each is corresponding.
15. keyboard components, be to be arranged at an electronic installation, this electronic installation comprises that one has the housing of an opening, an and main circuit board that is arranged in this housing, this main circuit board has at least one first contact, this keyboard components be with this shell combination to hide this opening, and has at least one second contact, this second contact position on keyboard is fixing, and when this keyboard components and this shell combination, this second contact respectively with corresponding this first contact contact, connect to set up signal;
It is characterized in that, this keyboard components comprises that a keyboard circuit and is in order to support the support base plate of this keyboard circuit portion, this keyboard circuit also has an extension, this support base plate also has at least one cut, this second contact is arranged at this extension and is exposed to this cut top, to contact with first contact of this correspondence.
16. keyboard components as claimed in claim 15 is characterized in that the shell fragment that this first contact is a spring-piece type connector.
17. keyboard components as claimed in claim 15 is characterized in that this first contact is for being the conductive region that is exposed on this main circuit board.
18. keyboard components as claimed in claim 15 is characterized in that also comprising:
At least one button top cover;
At least one button supporting construction, it is arranged between this keyboard pcb and this button top cover, to support this button top cover, when this button top cover is subjected to one during by pressure, this button supporting construction can locally change shape, after pressure disappeared, this button supporting construction was replied original shape, and this button top cover is pushed back former height; And
One keyboard pcb, it is positioned at this button supporting construction below, and this keyboard circuit portion also comprises:
At least one keyboard contact point, its position is corresponding with this button top cover, and when this button top cover was pressed down, this keyboard contact point was sent out an electric signal, and this electric signal is to be sent to this main circuit board via this second contact and this first contact;
One signal transmission line links each this keyboard contact point and this second contact, with user's input action, converts electric signal to and is sent in this body; And
One dielectric substrate is non-conductive material in this keyboard circuit portion, prevents that this signal transmission line and external object are short-circuited.
19. keyboard components as claimed in claim 18 is characterized in that this keyboard circuit portion is a soft printing winding displacement.
20. keyboard components as claimed in claim 18 is characterized in that this keyboard circuit portion is a hard circuit board.
21. keyboard components as claimed in claim 20 is characterized in that this second contact is the conductive region that is exposed to this hard circuit board lower surface, and this second contact is corresponding with this first contact and electrical connection.
22. keyboard components as claimed in claim 20 is characterized in that this second contact is the shell fragment that is connected in a spring-piece type connector of this hard circuit board lower surface, and this second contact is corresponding with this first contact and electrical connection.
23. keyboard components as claimed in claim 18 also comprises:
One supports base plate, and this support base plate is positioned at this keyboard circuit subordinate side, this button top cover, this button supporting construction is provided, reaches this keyboard circuit portion support and fixing.
24. keyboard components as claimed in claim 23 is characterized in that this support base plate also has a cut, this break location is corresponding with this first contact, and first contact is connected with second contact.
25. keyboard components as claimed in claim 18 is characterized in that this keyboard circuit portion is a soft printing winding displacement, and has an extension that this extension is to protrude from this support base plate, and reflexed and be fixed in this support floor below.
26. keyboard components as claimed in claim 25 is characterized in that this extension is to stick in this support floor below.
27. keyboard components as claimed in claim 25 it is characterized in that this second contact is the conductive region that is exposed to this extension, and this first contact of position and each is corresponding.
28. keyboard components as claimed in claim 25 it is characterized in that this second contact is the shell fragment that is connected in one second connector of this extension, and this first contact of position and each is corresponding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031593682A CN1297998C (en) | 2003-09-10 | 2003-09-10 | Electronic installation and keyboard assembly thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031593682A CN1297998C (en) | 2003-09-10 | 2003-09-10 | Electronic installation and keyboard assembly thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1595576A CN1595576A (en) | 2005-03-16 |
| CN1297998C true CN1297998C (en) | 2007-01-31 |
Family
ID=34660630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031593682A Expired - Lifetime CN1297998C (en) | 2003-09-10 | 2003-09-10 | Electronic installation and keyboard assembly thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1297998C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200700963A (en) | 2005-06-28 | 2007-01-01 | Asustek Comp Inc | Electronic device using sucker to fix keyboard |
| CN101593025B (en) * | 2009-04-02 | 2010-10-13 | 左莉 | Replaceable part and reusable part of wireless keyboard for computer |
| TWI519227B (en) * | 2011-12-02 | 2016-01-21 | Tpk Touch Solutions Inc | Touch panel assembly structure and its guide module |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2176564Y (en) * | 1993-11-20 | 1994-09-07 | 群光电子股份有限公司 | Keyboard button |
| JPH0883140A (en) * | 1994-09-13 | 1996-03-26 | Sanyo Electric Co Ltd | Keyboard device |
| US6595786B2 (en) * | 2000-04-07 | 2003-07-22 | International Business Machines Corporation | Electrical connecting structure of mounted part, computer apparatus, and electronic equipment |
-
2003
- 2003-09-10 CN CNB031593682A patent/CN1297998C/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2176564Y (en) * | 1993-11-20 | 1994-09-07 | 群光电子股份有限公司 | Keyboard button |
| JPH0883140A (en) * | 1994-09-13 | 1996-03-26 | Sanyo Electric Co Ltd | Keyboard device |
| US6595786B2 (en) * | 2000-04-07 | 2003-07-22 | International Business Machines Corporation | Electrical connecting structure of mounted part, computer apparatus, and electronic equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1595576A (en) | 2005-03-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101355203B (en) | Board connector, mating connector, and electronic device including the same | |
| US20080031673A1 (en) | Keyboard structure | |
| CN1878446A (en) | Flexible printed circuit board for electronic device | |
| CN1669102A (en) | Switch integrated casing and electronic equipment having the casing | |
| CN101064891A (en) | Keypad assembly for mobile phone | |
| US20080230362A1 (en) | Membrane switch | |
| CN1371503A (en) | Carrier element for electronic media apparatus | |
| CN1297998C (en) | Electronic installation and keyboard assembly thereof | |
| US20070163866A1 (en) | Printed circuit board with thin film switches for a keyboard | |
| CN1135661C (en) | Electric connector with multifunction terminal | |
| CN1581018A (en) | Touch pad device for portable computer | |
| EP1852881A1 (en) | Thin key sheet | |
| US6057517A (en) | Elastomeric keyboard incorporating a novel interconnect and back-lighting architecture | |
| KR101112211B1 (en) | Tact switch for electronic component | |
| KR20120041065A (en) | Tact switch for electronic component | |
| CN2840178Y (en) | Electronic device with contact control type key board | |
| US20050037643A1 (en) | Electronic device and the keyboard thereof | |
| CN100372186C (en) | Water-proof electric connector and its manufacturing method and electronic device with electric connector | |
| CN2636393Y (en) | Keyboard with water proof function | |
| CN1832077A (en) | Metal striking flake thin board for prevent error operation button using for mobile information terminal | |
| CN2439688Y (en) | Button of computer mouse | |
| CN100359760C (en) | Connector | |
| CN2462475Y (en) | Key selectable, key position replacableand multifunctional freely combined keyboard | |
| CN200969086Y (en) | Mouse | |
| CN1648816A (en) | Electronic device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20070131 |
|
| CX01 | Expiry of patent term |