CN2751354Y - Reflection structured multiple receiving tubes infrared touch screen - Google Patents
Reflection structured multiple receiving tubes infrared touch screen Download PDFInfo
- Publication number
- CN2751354Y CN2751354Y CN 200420093591 CN200420093591U CN2751354Y CN 2751354 Y CN2751354 Y CN 2751354Y CN 200420093591 CN200420093591 CN 200420093591 CN 200420093591 U CN200420093591 U CN 200420093591U CN 2751354 Y CN2751354 Y CN 2751354Y
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- infrared
- screen
- circuit board
- tubes
- catoptron
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Abstract
The utility model discloses a reflection-structural infrared touch screen with multiple receiving tubes, which comprises a transparent protective screen, circuit boards surrounded between two adjacent sides of the transparent protective screen, a plurality of infrared transmitting tubes welded on the circuit boards, and a control circuit, wherein the circuit boards are relative; a plurality of reflectors are arranged on the other two adjacent sides of the protective screen in the mode of one-to-one correspondence with every transmitting tube. The infrared touch screen is characterized in that two infrared receiving tubes are respectively arranged on the back side of every circuit board. Infrared transmitted by every transmitting tube is received by two receiving tubes welded the back side of the circuit board according to different setting after reflected by the reflectors. The utility model can doubly enhance the reliability of the touch screen on the basis of the advantages of simple structure, small volume and low cost.
Description
Technical field
The utility model relates to a kind of infrared touch panel, refers to a kind of by the novel infrared touch-screen that has two infrared receiver tubes to constitute on several infrared emission tubes, several catoptrons and each direction especially.
Background technology
Common infrared touch panel mainly by be around in the rectangular circuit board around the touch-screen, some groups of infrared emission tubes, infrared receiver tube and the control circuit that is welded on the rectangular circuit board constitutes.The some groups of infrared emission tubes and the receiving tube that are welded on the circuit board form an infrared gauze on the surface of touch-screen.When the user with finger touch to certain of touch-screen when a bit, just can block two infrared rays anyhow through this position, make infrared receiver tube can not receive corresponding tube-launched infrared ray, control circuit calculates this touch point position, and by lead the position signalling that identifies is transferred to computing machine.The relevant visible application number of prior art or the patent No. are Chinese patent and inner other guide of quoting or relating to thereof of 95105303.5,00121462.4,1259522.5,00250806.0,01202252.7,01231461.7,02200147.6,00262072.3.Because the infrared emission tube of the infrared touch panel of these species structures and receiving tube be distributed in touch-screen around, make be around in touch-screen around the circuit board volume bigger, complex structure, the cost of therefore producing, safeguarding is all very high.
At the problems referred to above, application number is that 200420089133.2 Chinese patent application discloses and uses an infrared touch panel that receives only pipe on a kind of each direction, has solved the high bulky problem of cost basically.But this technology has also been brought reliability problems, loses efficacy in case show this infrared receiver tube, and whole touch screen will lose efficacy so.
Goal of the invention
Defective at prior art, the purpose of this utility model discloses a kind of catoptron that has, and on each direction, using the novel infrared touch-screen of at least two infrared receiving tubes, this infrared touch panel is by on several infrared emission tubes, each direction at least two infrared receiver tubes being installed and several catoptrons constitute.
Technical scheme
For achieving the above object, the utility model is by the following technical solutions: described infrared touch panel, comprise the transparency protected screen that covers display screen surface, the circuit board that is around in the adjacent both sides of transparency protected screen, several infrared emission tubes that are welded on circuit board top, the control circuit that is used to discern touch location are installed, relative with described circuit board, on two other adjacent edge of protection screen, be provided with several catoptrons; The corresponding infrared emission tube of catoptron; And the spacing between described adjacent two catoptrons, consistent with the spacing of adjacent two infrared emission tubes, and corresponding one by one; It is characterized in that:
Each is installed and is connected with two infrared receiver tubes at the back side of the adjacent both sides of described transparency protected screen circuit board;
Installation is welded on the infrared ray that the infrared emission tube on the circuit board on limit of transparency protected screen is launched, and after described mirror reflects, two infrared receiver tubes that are installed in this back of circuit board respectively receive.
At above-mentioned basic technical scheme, the utility model has provided two kinds and has implemented structure.
First kind of enforcement structure is as follows: the infrared ray of two adjacent infrared emission tubes emissions is after mirror reflects, and two infrared receiver tubes that are installed in the corresponding sides back of circuit board respectively receive.
Described several catoptrons that are arranged on the adjacent both sides of described transparency protected screen; each catoptron all has two reflectings surface; meet at right angle between two reflectings surface; all catoptrons are arranged along the direction order at the edge of described protection screen one by one; the rib that forms by intersecting of described two reflectings surface in each catoptron wherein; with the angle α of the straight line of optical axis by pairing infrared emission tube, at infrared ray that optical axis direction is launched with by this mirror reflects be to the pass between the angle theta between the infrared ray of corresponding receiving tube with this power valve:
α=90 °-θ/2, and with the plane parallel at transparency protected screen place.
And the infrared ray of each infrared emission tube emission is after mirror reflects, and two infrared receiver tubes that are installed in the corresponding sides back of circuit board respectively receive.
Second kind of enforcement structure is as follows: the infrared ray of each infrared emission tube emission is after mirror reflects, and two infrared receiver tubes that are installed in the corresponding sides back of circuit board respectively receive.
Described several catoptrons that are arranged on the adjacent both sides of described transparency protected screen; each catoptron all has four reflectings surface; wherein meet at right angle between two reflectings surface and constitute a reflecting surface group; the rib that forms by intersecting of described two reflectings surface; with the angle β of the straight line of optical axis by pairing infrared emission tube, at infrared ray that optical axis direction is launched with by this mirror reflects be to the pass of φ between the angle between the infrared ray of corresponding receiving tube with this power valve:
β＝90°-φ/2：
Also meet at right angle between two other reflecting surface and constitute another one reflecting surface group, the rib that forms by intersecting of described two reflectings surface, with the angle γ of the straight line of optical axis by pairing infrared emission tube, at infrared ray that optical axis direction is launched with by this mirror reflects be to the pass between the angle ω between the infrared ray of corresponding receiving tube with this power valve:
γ＝90°+ω/2；
All catoptrons are arranged along the direction order at the edge of described protection screen one by one and have been constituted reflection mirror array; the plane parallel at described two planes that rib constituted and transparency protected screen place; and the infrared emission tube corresponding with each catoptron, its optical axis face and are above-mentionedly intersected and the rib of the same side of producing, be positioned at transparency protected screen by two reflecting surface groups.
If transparency protected screen is thicker; shown in dotted portion among Fig. 2, be reflected back to the infrared ray of receiving tube so, can also from the glass protection screen, pass through; so just dispense the space of passing through for infrared ray below the protection screen, further reduce the thickness of whole touch screen.
Use for reference the structure of aforementioned 200420089133.2 patented claims, for the convenience of manufacturing, two kinds of above-mentioned concrete structures of implementing can stick on the side of transparency protected screen with described catoptron by adhesive; Also can by mould transparency protected screen and catoptron be made one during fabrication.Simultaneously in order to assemble, to install, debug conveniently; the utility model can also comprise a housing; no matter at first kind of still enforcement structure of second kind, the protection screen that is welded with the circuit board of infrared emission tube/receiving tube and is pasted with catoptron all can be fixed in this housing.
The advantage of invention
Because the utility model adopts the above structure of implementing, promptly only be welded with two infrared receiver tubes at the back of circuit board that is welded with several infrared emission tubes, thereby therefore using the infrared reflection mirror to significantly reduce the quantity of infrared receiver tube, reduced the size of circuit board, when having reduced the cost of infrared touch panel, guaranteeing that minimum resolution does not even influence under the condition of resolution of infrared touch panel, has doubled to improve the reliability of infrared touch panel.
Description of drawings
Fig. 1 infrared of the present utility model, receiving tube, reflector position concern synoptic diagram and light path principle figure
Fig. 2 is above-mentioned two kinds of three-dimensional local light line structure synoptic diagram of implementing structure
Second kind of 3-D view and light path and component locations synoptic diagram of implementing the employed catoptron of structure of Fig. 3
Specific embodiments
For the purpose of simply clear, in Fig. 1, omitted electronic component and other little structure of other and this case relation of constituting infrared touch panel, these technology contents can be with reference to the related relevant patent of front background technology.Simultaneously, also only provided touch-screen light path principle in one direction among Fig. 1, the another one direction is identical, has only provided the synoptic diagram of the installation site of infrared emission and receiving tube and reflection mirror array thereof.At Fig. 1, describe the technical solution of the utility model in detail below.
Many receiving tubes infrared touch panel of the disclosed reflection configuration of the utility model; it comprises that the mounted on surface that covers display screen surface 1 has transparency protected screen 2; be installed in the circuit board 11 on the outer adjacent both sides of surveying of transparency protected platen edge; 13; be welded on several infrared emission tubes 3 above the circuit board 11; the optical axis of all power valves on this circuit board; all parallel: two infrared receiver tubes 4 that are welded on circuit board 11 back sides with direction main axis 10 perpendicular to the display screen edge; 5; be installed in circuit board 11 opposites; transparency protected screen is the reflection mirror array 6 on one side in addition; 7; be arranged on the circuit board 13 on two other adjacent edge of transparency protected screen and be installed in its opposite; the reflection mirror array 14 that constitutes by several catoptrons, and the control circuit that is used to discern touch location constitutes.
Fig. 1 has provided aforementioned two kinds of light path principles of implementing structure simultaneously, and contents such as the theory structure of corresponding catoptron, installation site and relation.The latter half of figure is the index path of aforementioned first kind of embodiment.As shown in the figure, on the circuit board opposite that is welded with several infrared emission tubes, be provided with several catoptrons 6 and constitute an array; The corresponding catoptron of each infrared emission tube, the infrared ray of two adjacent infrared emission tubes emissions are after mirror reflects, and two infrared receiver tubes that are welded on respectively below the circuit board receive.
Fig. 2 has provided the basic structure of each catoptron, and infrared ray is from the power valve to the catoptron, again to receiving tube perpendicular to the light path view on the direction of display screen surface.Can see in the drawings, the infrared ray above transparency protected screen, a reflecting surface of the mirror that is reflected reflexes to the another one reflecting surface, is reflected back to receiving tube then.If transparency protected screen is thicker; as thicken position shown in the dotted line among Fig. 2, and being reflected back to the infrared ray of receiving tube so, can also from the glass protection screen, pass through; so just dispense the space of passing through for infrared ray below the protection screen, further reduce the thickness of touch-screen.In the utility model, we intersect the installation position that the rib that forms is represented catoptron with two reflectings surface, with representing reflecting surface on catoptron among Fig. 16 or 7, and represent, with the receiving tube of infrared reflection to appointment with the line segment that infrared ray that pairing power valve is launched constitutes angle.The infrared ray of launching as for which power valve is received by which infrared receiving tube, is that the setting angle by the pairing catoptron of this power valve is determined.Here, described catoptron both can be made of the mode of two mirror surfaces with bonding, fastening or mold pressing, also can utilize the characteristic of some optical materials, used the structure of total reflection right angle prism to constitute, shown in the dotted line above the catoptron 7.In conjunction with Fig. 1 and Fig. 2, can obtain the established angle α of each catoptron in the reflection mirror array: α and pairing power valve and to the pass between the angle theta between the infrared ray 9 of corresponding receiving tube be at infrared ray 8 that optical axis direction is launched with by this mirror reflects:
α＝90°-θ/2
At the power valve and the receiving tube of diverse location, above-mentioned angle theta difference, then the established angle α of catoptron is also inequality.
The first half of Fig. 1 has then provided the light path principle figure of second kind of embodiment.In fact, the principle of the principle of this scheme and first kind of embodiment is identical, and difference only is all to be reflexed to two infrared receiving tubes respectively by the catoptron of a combination by the infrared ray that each infrared transmitting tube is launched.Fig. 3 has provided the 3-D view of this facetted mirrors, and has provided the relation between the optical axis 12 of infrared transmitting tube, the infrared ray of being launched 8, the infrared ray 9 that is reflected, direction main axis 10 and the transparency protected screen 2.Because what provide is the 3-D view of facetted mirrors, and the setting angle of catoptron is similar to the mounting means of catoptron in first kind of embodiment, being used to locate between the optical axis of the rib of its installation position and infrared transmitting tube generally all has an angle, so this part position in Fig. 3 tilts.Can see that from figure each catoptron all is to be made of 4 reflectings surface 15,16,17 and 18, wherein reflecting surface 15 and 16 has constituted a reflecting surface group, and two faces intersect and constituted a rib; 17 and 18 have constituted another one reflecting surface group, and two faces intersect and constituted the another one rib: the plane parallel at described two planes that rib constituted and transparency protected screen place.The optical axis of the infrared transmitting tube corresponding with it faces above-mentioned by two reflecting surface groups, is promptly intersected and the rib of generation by reflecting surface 15,17 among the figure, and is positioned at the same side of transparency protected screen surfaces.Because near the infrared ray that infrared transmitting tube is launched optical axis direction is parallel and certain sectional area is arranged, therefore when this part infrared radiation is on by reflecting surface 15, the 17 crossing ribs that produced, just be equivalent to shine simultaneously on the different catoptron of two reflection angle, therefore can be to different receiving tube 4,5 by this mirror reflects.
Identical with first kind of embodiment, the installation position of the catoptron of this combination here also has similar relational expression.The ribs that intersect of reflecting surface 15 and 16 and pairing power valve be at the angle β of optical axis direction as can be seen from Figure 1, the infrared ray of launching with this power valve 8 and to the pass between the included angle between the infrared ray 9 of corresponding receiving tube be by this mirror reflects:
β＝90°-φ/2；
Ribs that reflecting surface 17 and 18 intersects and pairing power valve be at the angle γ of optical axis direction, the infrared ray of launching with this power valve 8 and to the pass between the angle ω between the infrared ray 9 of corresponding receiving tube be by this mirror reflects:
γ＝90°+ω/2。
In addition, in conjunction with seeing among Fig. 1 and Fig. 3, the angle between the rib of two reflecting surface groups equals ψ=γ+β-180 °.This angle just provides master data for the manufacturing of this catoptron.
No matter for first kind of still second kind of embodiment, for the infrared ray with the emission of each infrared emission tube returns corresponding receiving tube by mirror reflects, the spacing of catoptron that is arranged on each infrared transmitting tube opposite is consistent with the spacing of infrared emission tube 3 and corresponding one by one.In realizing that spacing is identical, the infrared reflection that each infrared emission tube is launched returns receiving tube for convenience, and described catoptron 6 or 7 can be formed by right angle equilateral triangle prism cutting, arrangement one by one.In addition, when making infrared touch panel, catoptron both can stick on the side of transparency protected screen by adhesive, also can protection screen 2 and catoptron 6 or 7 be made as one directly by mould when making transparency protected screen.Circuit board 11,13 can be directly by fixture or adhesive be fixed on touch-screen above; for easy for installation; and protect each parts; the utility model can also comprise a housing, and the protection screen that is welded with the circuit board of infrared emission tube/receiving tube and catoptron is installed all is fixed in this housing.The related content of this part, and other relevant principle of work, be used to discern the contents such as control circuit of touch location, can be with reference to aforementioned patent applications.
Because the utility model is provided with the catoptron that several are used for reflected infrared on the opposite that is welded with several infrared emission tubes, be connected on the infrared ray of infrared emission tube emission on two infrared receiver tubes of back of circuit board through the mirror reflects reflow, thereby in the quantity of having omitted infrared receiver tube greatly, reduced the volume of circuit board, when having reduced the cost of infrared touch panel, can also guarantee that minimum resolution does not even influence under the condition of resolution of infrared touch panel, has doubled to improve the reliability of infrared touch panel.
The above only is preferred embodiment of the present utility model; protection domain of the present utility model is not limited thereto; such as being made, catoptron 7 becomes 3 sections structure; infrared reflection to three receiving tube with an infrared transmitting tube emission; as long as use the infrared transmitting tube of touch-screen special use in the aforementioned patent, just can realize this scheme.Therefore, anyly all belong within the utility model protection domain based on the equivalent transformation on the technical solutions of the utility model.
Claims (9)
1. many receiving tubes infrared touch panel of a reflection configuration, it comprises the transparency protected screen that covers display screen surface, the circuit board that is around in the adjacent both sides of transparency protected screen, several infrared emission tubes that are welded on circuit board top, the control circuit that is used to discern touch location are installed, and is relative with described circuit board, be provided with several catoptrons on two other adjacent edge of protection screen; The corresponding infrared emission tube of catoptron; And the spacing between described adjacent two catoptrons, consistent with the spacing of adjacent two infrared emission tubes, and corresponding one by one; It is characterized in that:
Each is installed and is connected with two infrared receiver tubes at the back side of the adjacent both sides of described transparency protected screen circuit board;
Installation is welded on the infrared ray that the infrared emission tube on the circuit board on limit of transparency protected screen is launched, and after described mirror reflects, two infrared receiver tubes that are installed in this back of circuit board respectively receive.
2. many receiving tubes of reflection configuration according to claim 1 infrared touch panel, it is characterized in that: the infrared ray of two adjacent infrared emission tube emissions is after mirror reflects, and two infrared receiver tubes that are installed in the corresponding sides back of circuit board respectively receive.
3. many receiving tubes of reflection configuration according to claim 2 infrared touch panel; it is characterized in that: several catoptrons that are arranged on the adjacent both sides of described transparency protected screen; each catoptron all has two reflectings surface; meet at right angle between two reflectings surface; all catoptrons are arranged along the direction order at the edge of described protection screen one by one; the rib that forms by intersecting of described two reflectings surface in each catoptron wherein; with the angle α of the straight line of optical axis by pairing infrared emission tube, at infrared ray that optical axis direction is launched with by this mirror reflects be to the pass between the angle theta between the infrared ray of corresponding receiving tube with this power valve:
α＝90°-θ/2，
And plane parallel with transparency protected screen place.
4. many receiving tubes of reflection configuration according to claim 1 infrared touch panel is characterized in that: the infrared ray of each infrared emission tube emission is after mirror reflects, and two infrared receiver tubes that are installed in the corresponding sides back of circuit board respectively receive.
5. many receiving tubes of reflection configuration according to claim 4 infrared touch panel; it is characterized in that: several catoptrons that are arranged on the adjacent both sides of described transparency protected screen; each catoptron all has four reflectings surface; wherein meet at right angle between two reflectings surface and constitute a reflecting surface group; the rib that forms by intersecting of described two reflectings surface; with the angle β of the straight line of optical axis by pairing infrared emission tube, at infrared ray that optical axis direction is launched with by this mirror reflects be to the pass of φ between the angle between the infrared ray of corresponding receiving tube with this power valve:
β＝90°-φ/2；
Also meet at right angle between two other reflecting surface and constitute another one reflecting surface group, the rib that forms by intersecting of described two reflectings surface, with the angle γ of the straight line of optical axis by pairing infrared emission tube, at infrared ray that optical axis direction is launched with by this mirror reflects be to the pass between the angle ω between the infrared ray of corresponding receiving tube with this power valve:
γ＝90°+ω/2：
All catoptrons are arranged along the direction order at the edge of described protection screen one by one; the plane parallel at described two planes that rib constituted and transparency protected screen place; and the infrared emission tube corresponding with each catoptron, its optical axis face and are above-mentionedly intersected and the rib of the same side of producing, be positioned at transparency protected screen by two reflecting surface groups.
6. according to many receiving tubes infrared touch panel of claim 2 or 3 or 4 or 5 described reflection configurations, it is characterized in that: described catoptron sticks on the side of transparency protected screen by adhesive.
7. according to many receiving tubes infrared touch panel of claim 2 or 3 or 4 or 5 described reflection configurations, it is characterized in that: described catoptron is by one by one right angle isoceles triangle prism cutting and arranges to install and form.
8. according to many receiving tubes infrared touch panel of claim 2 or 3 or 4 or 5 described reflection configurations, it is characterized in that: the infrared ray that is reflected back to receiving tube passes through from transparency protected screen.
9. according to many receiving tubes infrared touch panel of claim 1,2,3,4 or 5 described reflection configurations; it is characterized in that: this infrared touch panel also comprises a housing; the described protection screen that is welded with the circuit board of infrared emission tube, receiving tube and is pasted with catoptron all is fixed in this housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420093591 CN2751354Y (en) | 2004-09-15 | 2004-09-15 | Reflection structured multiple receiving tubes infrared touch screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420093591 CN2751354Y (en) | 2004-09-15 | 2004-09-15 | Reflection structured multiple receiving tubes infrared touch screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2751354Y true CN2751354Y (en) | 2006-01-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420093591 Expired - Lifetime CN2751354Y (en) | 2004-09-15 | 2004-09-15 | Reflection structured multiple receiving tubes infrared touch screen |
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| CN (1) | CN2751354Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007079641A1 (en) | 2006-01-13 | 2007-07-19 | Beijing Unitop New Technology Co., Ltd | Touch force detecting apparatus for infrared touch screen |
| CN101840480A (en) * | 2010-01-23 | 2010-09-22 | 鸿富锦精密工业（深圳）有限公司 | Electronic equipment with encrypting and decrypting system |
| CN102289330A (en) * | 2011-09-29 | 2011-12-21 | 中航华东光电有限公司 | Display with infrared touch panel and method for judging touch points thereof |
| CN101393499B (en) * | 2007-09-18 | 2012-01-11 | 北京汇冠新技术股份有限公司 | Infrared touch screen of module structure |
| CN102622133A (en) * | 2012-02-21 | 2012-08-01 | 成都吉锐触摸技术股份有限公司 | Infrared touch screen for changing infrared light transmission paths and touch point recognizing method for infrared touch screen |
| CN103235670A (en) * | 2013-04-24 | 2013-08-07 | 京东方科技集团股份有限公司 | Infrared touch module, infrared touch screen and display device |
| CN103699272A (en) * | 2013-12-24 | 2014-04-02 | 苏州佳世达电通有限公司 | Display device and infrared touch module |
| CN103984443A (en) * | 2013-02-07 | 2014-08-13 | 深圳市艾博德科技有限公司 | Infrared touch screen and touch point positioning method |
| CN104503634A (en) * | 2014-12-02 | 2015-04-08 | 昆山国显光电有限公司 | Infrared touch control device and method |
-
2004
- 2004-09-15 CN CN 200420093591 patent/CN2751354Y/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007079641A1 (en) | 2006-01-13 | 2007-07-19 | Beijing Unitop New Technology Co., Ltd | Touch force detecting apparatus for infrared touch screen |
| CN101393499B (en) * | 2007-09-18 | 2012-01-11 | 北京汇冠新技术股份有限公司 | Infrared touch screen of module structure |
| CN101840480A (en) * | 2010-01-23 | 2010-09-22 | 鸿富锦精密工业（深圳）有限公司 | Electronic equipment with encrypting and decrypting system |
| CN102289330A (en) * | 2011-09-29 | 2011-12-21 | 中航华东光电有限公司 | Display with infrared touch panel and method for judging touch points thereof |
| CN102622133A (en) * | 2012-02-21 | 2012-08-01 | 成都吉锐触摸技术股份有限公司 | Infrared touch screen for changing infrared light transmission paths and touch point recognizing method for infrared touch screen |
| CN103984443A (en) * | 2013-02-07 | 2014-08-13 | 深圳市艾博德科技有限公司 | Infrared touch screen and touch point positioning method |
| CN103235670A (en) * | 2013-04-24 | 2013-08-07 | 京东方科技集团股份有限公司 | Infrared touch module, infrared touch screen and display device |
| CN103235670B (en) * | 2013-04-24 | 2016-04-20 | 京东方科技集团股份有限公司 | Infrared touch module, infrared type touch-screen and display device |
| CN103699272A (en) * | 2013-12-24 | 2014-04-02 | 苏州佳世达电通有限公司 | Display device and infrared touch module |
| CN104503634A (en) * | 2014-12-02 | 2015-04-08 | 昆山国显光电有限公司 | Infrared touch control device and method |
| CN104503634B (en) * | 2014-12-02 | 2018-07-24 | 昆山国显光电有限公司 | A kind of infrared touch control device and method |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: M8, building 4, building 1, Jiuxianqiao East Road, 100016 Beijing, Chaoyang District,, China Patentee after: Beijing UNITOP New Technology Co., Ltd. Address before: M8, building 4, building 1, Jiuxianqiao East Road, 100016 Beijing, Chaoyang District,, China Patentee before: UNITOP New Technology Co., Ltd. |
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| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20140915 Granted publication date: 20060111 |