CN101398904B - Automatic protection device of fastening mechanism and method and apparatus for releasing the protection - Google Patents
Automatic protection device of fastening mechanism and method and apparatus for releasing the protection Download PDFInfo
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- CN101398904B CN101398904B CN2007101755583A CN200710175558A CN101398904B CN 101398904 B CN101398904 B CN 101398904B CN 2007101755583 A CN2007101755583 A CN 2007101755583A CN 200710175558 A CN200710175558 A CN 200710175558A CN 101398904 B CN101398904 B CN 101398904B
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Abstract
The invention discloses an automatic protection device of an intelligent terminal clamping mechanism, which relates to a protection technology of the clamping mechanism. The invention is proposed for solving the defect that the clamping structure of the existing intelligent terminal components or inserters is lack of protection. The adopted technical scheme is as follows: an automatic protection device includes the clamping mechanism which clamps the accessories of the intelligent terminal and an opening mechanism for opening the clamping mechanism; an automatic control mechanism is arranged in the opening mechanism; the intelligent terminal controls the opening mechanism by the automatic control mechanism. The invention simultaneously discloses a protection releasing method and a device of the clamping mechanism. The invention is simple to be realized and prevents the illegal removal of the clamping components or inserters.
Description
Technical field
The present invention relates to the protective device of clamping mechanism, relate in particular to a kind of automatic safety device of intelligent terminal clamping mechanism and the de-preservation method and apparatus of clamping mechanism.
Background technology
At present, intelligent terminal has become the necessity of people's daily life, is exactly intelligent terminal commonly used as mobile phone, personal computer and notebook etc.Assembly in the intelligent terminal or extension mostly are pegs graft or clamping mechanism, this has made things convenient for replacement of component undoubtedly, but, also there are inconvenience in these grafting or clamping mechanism: be example with the mobile phone, battery of mobile phone is the working power of mobile phone, if because of carelessness battery is bumped, will cause mobile phone shutdown, sometimes may will cause information dropout, this is that the user is undesirable.Equally also there is such problem in notebook, when moving the use notebook, does not wish that equally battery is pulled out or bumps out, particularly when having important information not preserve, more not wishing to cause information dropout because battery extracts or bumps out, in case above-mentioned situation takes place, will be fatal.
Be example still, illustrate that also there is the situation that may in use be pulled out in its card connector with the notebook.People have different performance requirements to notebook in different occasions, as need longer stand-by time when going on business, and be in or office needs more high performance requirements, so in order to take into account the two, researched and developed expansion casket DOCKING on the market at notebook, independently display card and sound card etc. are placed in the DOCKING to be about to high performance functional chip such as high-performance, need to move and use its original function when using notebook, and at home or in office notebook and DOCKING are combined, switch and use the more high performance function of DOCKING.
Fig. 1 is the structural representation of notebook DOCKING, as shown in Figure 1, the size and the notebook-sized that expand casket 2 are suitable, and it is provided with the data-interface 21 that is connected with the notebook data, with the grab 20 of notebook clamping, what also be provided with unlatching grab 20 on the expansion casket 2 releases the button 23.Wherein between two grabs 20 elastomeric element is installed, presses 23 back two grabs, 20 relative motions of releasing the button,, can make grab break away from the clamping object promptly all to central motion.Two grabs 20 and building block thereof constitute clamping mechanism.This clamping mechanism is a prior art, its concrete structure is not repeated no more.
Fig. 2 is for supporting the notebook of DOCKING, as shown in Figure 1, support the notebook 1 of DOCKING be provided with in its main frame bottom with expand data-interface 11 that casket 2 data-interfaces 21 dock, can with the draw-in groove 10 of grab 20 clampings, to notebook 1 with expand casket 2 and dock after, its data-interface is corresponding to be connected, grab 20 slips into draw-in groove 21 and holds mutually, realizes notebook 1 and expands casket 2 mutual connections with this.
Still there is the illegal or unexpected problem that disconnects in existing notebook with the connected mode that expands casket, if that has touched clamping mechanism because of carelessness releases the button 23 or the maloperation during user's ideal case, all might cause notebook and expand the casket disconnection, thereby cause loss of data or have a strong impact on operating system.
Summary of the invention
In view of this, fundamental purpose of the present invention is to provide a kind of automatic safety device of intelligent terminal clamping mechanism and the de-preservation method and the dress of clamping mechanism, can prevent illegally extracting of significant components or plug-in unit.
For achieving the above object, technical scheme of the present invention is achieved in that
A kind of automatic safety device of intelligent terminal clamping mechanism; comprise the clamping mechanism of clamping intelligent terminal annex and open the opener of described clamping mechanism; be provided with automatic controls in the described opener, described intelligent terminal is controlled opener by automatic controls.
What preferably, comprise clamping mechanism in the described opener separates clamping button or switch.
Preferably, described automatic controls can be electromagnetism adhesive control device.
Wherein, described intelligent terminal is controlled opener by automatic controls, comprising:
Electromagnet powers on, and the adhesive bar is by adhesive, and the adhesive bar stops unfreezing button or switch and make its inefficacy that clamping mechanism is locked; The electromagnet dead electricity, the playback of adhesive bar, clamping mechanism button or switch are enabled; Electromagnet power supply is controlled by intelligent terminal.
Preferably, described automatic controls can be numerical-control motor, and described numerical-control motor is connected with the execution cam.
Wherein, described intelligent terminal is controlled opener by automatic controls, comprising:
Described intelligent terminal sends steering order to numerical-control motor, and motor receives and drives cam behind the positive steering order and stop unfreezing button or switch and make its inefficacy that clamping mechanism is locked; Motor receives counter steer instruction back and drives cam counter-rotating playback, and clamping mechanism button or switch are enabled.
Preferably, described intelligent terminal annex comprises at least: intelligent terminal battery, notebook expand casket DOCKING.
A kind of de-preservation method of aforementioned clamping mechanism comprises:
A, receive, judge whether the intelligent terminal annex of institute's clamping is in running order, then send the request of releasing if not to automatic controls to after the request of clamping mechanism de-preservation; If then initiate to quit work instruction to the intelligent terminal annex, the request will removed after the intelligent terminal annex quits work is forwarded to automatic controls;
B, automatic controls enable opener after receiving the request of releasing.
Preferably, judge in the steps A whether the intelligent terminal annex of institute's clamping is in running order, be specially:
Whether judge has operating voltage or judges the intelligent terminal annex and whether the intelligent terminal data-interface has data interaction in the intelligent terminal annex circuit.
Preferably, described intelligent terminal annex comprises at least: intelligent terminal battery, notebook expand casket DOCKING.
A kind of de-preservation device of aforementioned clamping mechanism comprises:
De-preservation request receiving element is used to receive and handle the de-preservation request to clamping mechanism;
Clamping intelligent terminal annex duty judging unit is used to judge whether the intelligent terminal annex of institute's clamping is in running order, then triggers if not and removes the request retransmission unit, if then trigger intelligent terminal annex shut-down instruction sending unit;
Intelligent terminal annex shut-down instruction sending unit is used for initiating to quit work instruction to the intelligent terminal annex, triggers after the intelligent terminal annex quits work and removes the request retransmission unit; And
Remove the request retransmission unit, be used for the releasing request that described de-preservation request receiving element receives is forwarded to automatic controls, the opener in the automatic controls is enabled.
Preferably, whether the intelligent terminal annex of described clamping intelligent terminal annex duty judgment unit judges institute clamping is in running order, is specially:
Whether judge has operating voltage or judges the intelligent terminal annex and whether the intelligent terminal data-interface has data interaction in the intelligent terminal annex circuit.
Preferably, described intelligent terminal annex comprises at least: intelligent terminal battery, notebook expand casket DOCKING.
The present invention is by being provided with the control automatic controls in opener, control is opened the physics of clamping mechanism, promptly before physics is opened clamping mechanism, must send the request of releasing by the user interface of intelligent terminal to automatic controls earlier, could start opener after the spacing control of releasing to opener, thereby could normally open clamping mechanism, prevent illegally extracting the intelligent terminal annex.
Description of drawings
Fig. 1 is the structural representation of notebook DOCKING;
Fig. 2 for support DOCKING to notebook;
Fig. 3 is the structural representation of notebook DOCKING in the embodiment of the invention two;
Fig. 4 is the process flow diagram of clamping mechanism de-preservation method of the present invention;
Fig. 5 is the structural representation of clamping mechanism de-preservation device of the present invention.
Embodiment
Core concept of the present invention is: though the assembly of intelligent terminal or plug-in unit can snap fit onto on the intelligent terminal by clamping mechanism, but also can pull up at any time by meet sb. at the airport releasing the button of structure or switch of unfreezing, for more important assembly or plug-in unit, in using, intelligent terminal never allows to extract, even maloperation.At the problems referred to above, the present invention controls the physics of clamping mechanism opened and prevents from the mistake of important assembly or plug-in unit is extracted by the control automatic controls is set in opener, before starting opener, the necessary spacing control of removing this opener, the present invention can stop extracts the mistake of the assembly of intelligent terminal or plug-in unit.Describe the present invention below in conjunction with accompanying drawing.
At first describe the concrete structure of the automatic safety device of intelligent terminal clamping mechanism of the present invention, describe by following four embodiment.
Embodiment one
Fig. 1 is the structural representation of notebook DOCKING; as shown in Figure 1; notebook automatic safety device of the present invention comprises the clamping mechanism of clamping notebook DOCKING 2 and opens the opener of clamping mechanism; be provided with the automatic controls (not shown) in the opener, automatic controls is subjected to notebook 1 control to lock or to enable opener.What comprise clamping mechanism in the opener separates clamping button or switch 23.Clamping mechanism is made of grab 20 and parts thereof.The implementation of clamping mechanism has multiple, as long as can carry out clamping and separate clamping the intelligent terminal annex.Automatic controls is an electromagnetism adhesive control gear, includes electromagnet and adhesive bar.Automatic controls is subjected to notebook 1 control locking or enables opener to be specially: notebook 1 control electromagnet power supply, and when electromagnet powered on, the adhesive bar was by adhesive, and the adhesive bar stops to be separated clamping button or switch 23 and makes its inefficacy, and clamping mechanism is locked; During the electromagnet dead electricity, the playback of adhesive bar, clamping button or switch 23 enable, thereby can separate clamping to clamping mechanism.
The electromagnet of automatic controls is connected in DOCKING 2 inner a certain circuit, insert the draw-in groove 10,21,11 butt joints of two data-interfaces of notebooks 1 when the grab 20 of DOCKING 2 after, when DOCKING2 is used in decision, DOCKING 2 powers on, and electromagnet powers on, solenoid circuit work, the adhesive bar is by adhesive, the adhesive bar is stuck to be separated clamping button or switch 23 and makes its inefficacy, at this moment, and can't be by releasing the button or switch 23 is opened the clamping mechanism of DOCKING 2.Release the button after the electromagnet dead electricity or switch 23 can enable, just can open clamping mechanism.The operating circuit of electromagnet is subjected to the control of notebook 1, specifically can come the Control work circuit by logic switch.
In the time of need opening the clamping mechanism of DOCKING 2, can send releasing the button or the stuck request of switch 23 releasings by notebook 1 control program, after control chip receives this request, send interruption DOCKING mouth request of data to host computer system, notice host computer system DOCKING 2 will separate with main frame.Host computer system starts power-supply management system, and the function of all component such as video card and sound card etc. is switched back host computer system fully to task in the recovery host computer system.Close all component on the DOCKING 2 and cut off power-supply system on the DOCKING, DOCKING is in off-position fully, the electromagnet outage, and the playback of adhesive bar is released the button or switch 23 enables.By releasing the button or switch 23 can be pulled up DOCKING 2.
After carrying out aforesaid power management, when not taking off DOCKING 2 and needing startup DOCKING 2, can send the request of restarting DOCKING 2 by notebook, when host computer system is determined to start DOCKING, starting power-supply management system is DOCKING 2 power supplies, and electromagnet powers on, solenoid circuit work, the adhesive bar is by adhesive, and the adhesive bar is stuck to be separated clamping button or switch 23 and make its inefficacy.Host computer system is carried out the function switching of main process equipment and DOCKING equipment, main frame and DOCKING collocation work.
Automatic controls in this example also can be numerical-control motor, and the clutch end of numerical-control motor connects a cam, can drive the cam rotation.Send steering order by notebook to numerical-control motor, after motor receives steering order,, then drive cam and stop unfreezing button or switch and make its inefficacy that clamping mechanism is locked if judge the positive steering order of present instruction; If counter steer instruction back drives cam counter-rotating playback, clamping mechanism button or switch are enabled.
Embodiment two
Fig. 3 is the structural representation of notebook DOCKING in the embodiment of the invention two, as shown in Figure 3, compares with embodiment one, and DOCKING 2 shown in Figure 3 is provided with the request of releasing the button or switch 23 releasings are stuck is sent button 24.To releasing the button or switch 23 is removed when stuck, can send the stuck request of removing at needs by pressing the button 24.All the other processing procedures and embodiment one are identical, repeat no more here.
Embodiment three
The battery clamping mechanism protection scheme that has the intelligent terminal of shutdown function for mobile phone or personal digital assistant etc. is described.Above-mentioned intelligent terminal is provided with the battery clamping mechanism and opens releasing the button or switch of clamping mechanism, also is provided with automatic controls in the intelligent terminal.Automatic controls is an electromagnetism adhesive control gear, includes electromagnet and adhesive bar.The working power of electromagnet is provided by the battery of intelligent terminal.The operating circuit of intelligent terminal control electromagnet, when electromagnet powered on, the adhesive bar was by adhesive, and the adhesive bar stops to be separated clamping button or switch and makes its inefficacy, and clamping mechanism is locked, and battery can not be removed; During the electromagnet dead electricity, the playback of adhesive bar, clamping button or switch enable, thus can separate clamping to clamping mechanism, open clamping mechanism by releasing the button and take out battery.When present embodiment has guaranteed that battery has electricity all the time with intelligent terminal one such as mobile phone and personal digital assistant, power down can not meet accident.
Automatic controls in this example also can be numerical-control motor, and the clutch end of numerical-control motor connects a cam, can drive the cam rotation.Send steering order by mobile phone or personal digital assistant to numerical-control motor, after motor receives steering order,, then drive cam and stop unfreezing button or switch and make its inefficacy that clamping mechanism is locked if judge the positive steering order of present instruction; If counter steer instruction back drives cam counter-rotating playback, clamping mechanism button or switch are enabled.
Embodiment four
The battery clamping mechanism protection scheme that does not have the intelligent terminal of shutdown function for notebook etc. is described.
Similar with embodiment one, intelligent terminal is provided with the battery clamping mechanism and releases the button or switch.Also be provided with in the intelligent terminal to stop and release the button or switch open whether automatic controls.In the time of need opening the battery clamping mechanism, send the request of releasing the button or the switch releasing is stuck by intelligent terminal, after the intelligent terminal host system receives this request, automatically start power management, cut off the automatic controls power supply, release the button or switch enable,, pull up battery by releasing the button or switch can be opened clamping mechanism.
Do not take off battery and need to start stuck release the button or during switch, send the request that starts automatic controls eventually by intelligence, host computer system starts power-supply management system automatically, and automatic controls powers on, the battery clamping mechanism release the button or switch is stuck.
Below clamping mechanism de-preservation method of the present invention is described in detail.
Fig. 4 is the process flow diagram of clamping mechanism de-preservation method of the present invention, and as shown in Figure 4, clamping mechanism de-preservation method of the present invention may further comprise the steps:
Step 401: when receiving the de-preservation request at clamping mechanism, judge whether the intelligent terminal annex of clamping mechanism institute clamping is in running order, the request then will removed if not is forwarded to automatic controls; If then initiate to quit work instruction to the intelligent terminal annex, the request will removed after the intelligent terminal annex quits work is forwarded to automatic controls.
Wherein, judge whether the intelligent terminal annex of institute's clamping is in running order, be specially:
Judge whether operating voltage is arranged in the intelligent terminal annex circuit or judge the intelligent terminal annex and intelligent terminal annex and intelligent terminal between data-interface whether data interaction is arranged.In running order when in the intelligent terminal annex circuit operating voltage being arranged.When the data-interface between intelligent terminal annex and intelligent terminal annex and intelligent terminal had data interaction, the intelligent terminal annex was in running order.
Step 402: automatic controls enables opener after receiving the request of releasing, can remove the clamping of clamping mechanism by opener, thereby can take off the intelligent terminal annex.
The intelligent terminal annex is that intelligent terminal battery, notebook expand casket DOCKING etc.
Below clamping mechanism de-preservation device of the present invention is described in detail.
Fig. 5 is the structural representation of clamping mechanism de-preservation device of the present invention; as shown in Figure 5; clamping mechanism de-preservation device of the present invention comprises de-preservation request receiving element 50, clamping intelligent terminal annex duty judging unit 51, intelligent terminal annex shut-down instruction sending unit 52 and removes request retransmission unit 53; wherein, de-preservation request receiving element 50 is used to receive the de-preservation request to clamping mechanism.Clamping intelligent terminal annex duty judging unit 51 is used to judge whether the intelligent terminal annex of institute's clamping is in running order, then triggers if not and removes request retransmission unit 53, if then trigger intelligent terminal annex shut-down instruction sending unit 52.Whether the intelligent terminal annex of judging institute's clamping in running order, is specially: judge whether operating voltage is arranged in the intelligent terminal annex circuit or judge the intelligent terminal annex and intelligent terminal annex and intelligent terminal between data-interface whether data interaction is arranged.Whether the intelligent terminal annex of judging institute's clamping is in running order, is specially: in running order when in the intelligent terminal annex circuit operating voltage being arranged.When the data-interface between intelligent terminal annex and intelligent terminal annex and intelligent terminal had data interaction, the intelligent terminal annex was in running order.
Intelligent terminal annex shut-down instruction sending unit 52 is used for initiating to quit work instruction to the intelligent terminal annex, triggers after the intelligent terminal annex quits work and removes request retransmission unit 53.
Remove request retransmission unit 53 and be used for the releasing request that described de-preservation request receiving element receives is forwarded to automatic controls, the opener in the automatic controls is enabled.
The intelligent terminal annex is that intelligent terminal battery, notebook expand casket DOCKING etc.
The above is preferred embodiment of the present invention only, is not to be used to limit protection scope of the present invention.
Claims (13)
1. the automatic safety device of an intelligent terminal clamping mechanism; comprise the clamping mechanism of clamping intelligent terminal annex and open the opener of described clamping mechanism; it is characterized in that; be provided with automatic controls in the described opener; described automatic controls is used for when described intelligent terminal annex is in off working state; receive the request of releasing, enable described opener.
2. the automatic safety device of intelligent terminal clamping mechanism according to claim 1 is characterized in that, what comprise clamping mechanism in the described opener separates clamping button or switch.
3. the automatic safety device of intelligent terminal clamping mechanism according to claim 1 and 2 is characterized in that, described automatic controls can be electromagnetism adhesive control device.
4. the automatic safety device of intelligent terminal clamping mechanism according to claim 3 is characterized in that, described intelligent terminal is controlled opener by automatic controls, comprising:
Electromagnet powers on, and the adhesive bar is by adhesive, and the adhesive bar stops unfreezing button or switch and make its inefficacy that clamping mechanism is locked; The electromagnet dead electricity, the playback of adhesive bar, clamping mechanism button or switch are enabled; Electromagnet power supply is controlled by intelligent terminal.
5. the automatic safety device of intelligent terminal clamping mechanism according to claim 1 and 2 is characterized in that, described automatic controls can be numerical-control motor, and described numerical-control motor is connected with the execution cam.
6. the automatic safety device of intelligent terminal clamping mechanism according to claim 5 is characterized in that, described intelligent terminal is controlled opener by automatic controls, comprising:
Described intelligent terminal sends steering order to numerical-control motor, and motor receives and drives cam behind the positive steering order and stop unfreezing button or switch and make its inefficacy that clamping mechanism is locked; Motor receives counter steer instruction back and drives cam counter-rotating playback, and clamping mechanism button or switch are enabled.
7. the automatic safety device of intelligent terminal clamping mechanism according to claim 1 and 2 is characterized in that, described intelligent terminal annex comprises at least: intelligent terminal battery, notebook expand casket DOCKING.
8. de-preservation method with clamping mechanism of the described automatic safety device of claim 1 is characterized in that this method comprises:
A, receive, judge whether the intelligent terminal annex of institute's clamping is in running order, then send the request of releasing if not to automatic controls to after the request of clamping mechanism de-preservation; If then initiate to quit work instruction to the intelligent terminal annex, the request will removed after the intelligent terminal annex quits work is forwarded to automatic controls;
B, automatic controls enable opener after receiving the request of releasing.
9. the de-preservation method of clamping mechanism according to claim 8 is characterized in that, judges in the steps A whether the intelligent terminal annex of institute's clamping is in running order, is specially:
Whether judge has operating voltage or judges the intelligent terminal annex and whether the intelligent terminal data-interface has data interaction in the intelligent terminal annex circuit.
10. the de-preservation method of clamping mechanism according to claim 8 is characterized in that, described intelligent terminal annex comprises at least: intelligent terminal battery, notebook expand casket DOCKING.
11. the de-preservation device with clamping mechanism of the described automatic safety device of claim 1 is characterized in that, this de-preservation device comprises:
De-preservation request receiving element is used to receive and handle the de-preservation request to clamping mechanism;
Clamping intelligent terminal annex duty judging unit is used to judge whether the intelligent terminal annex of institute's clamping is in running order, then triggers if not and removes the request retransmission unit, if then trigger intelligent terminal annex shut-down instruction sending unit;
Intelligent terminal annex shut-down instruction sending unit is used for initiating to quit work instruction to the intelligent terminal annex, triggers after the intelligent terminal annex quits work and removes the request retransmission unit; And
Remove the request retransmission unit, be used for the releasing request that described de-preservation request receiving element receives is forwarded to automatic controls, the opener in the automatic controls is enabled.
12. the de-preservation device of clamping mechanism according to claim 11 is characterized in that, whether the intelligent terminal annex of described clamping intelligent terminal annex duty judgment unit judges institute clamping is in running order, is specially:
Whether judge has operating voltage or judges the intelligent terminal annex and whether the intelligent terminal data-interface has data interaction in the intelligent terminal annex circuit.
13. the de-preservation device of clamping mechanism according to claim 11 is characterized in that, described intelligent terminal annex comprises at least: intelligent terminal battery, notebook expand casket DOCKING.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101755583A CN101398904B (en) | 2007-09-30 | 2007-09-30 | Automatic protection device of fastening mechanism and method and apparatus for releasing the protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101755583A CN101398904B (en) | 2007-09-30 | 2007-09-30 | Automatic protection device of fastening mechanism and method and apparatus for releasing the protection |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101398904A CN101398904A (en) | 2009-04-01 |
| CN101398904B true CN101398904B (en) | 2011-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007101755583A Active CN101398904B (en) | 2007-09-30 | 2007-09-30 | Automatic protection device of fastening mechanism and method and apparatus for releasing the protection |
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| Country | Link |
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| CN (1) | CN101398904B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112921848B (en) * | 2021-01-26 | 2022-10-04 | 中咨数据有限公司 | Low-resistance traffic indication mechanism based on highway road indication |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2565086Y (en) * | 2002-08-14 | 2003-08-06 | 萧智勇 | Intelligent card reader |
| CN1553408A (en) * | 2003-05-31 | 2004-12-08 | 龙杰智能卡有限公司 | Changeable intelligent card read-write devices |
| CN1698059A (en) * | 2002-09-27 | 2005-11-16 | 诺基亚有限公司 | Wireless communication device providing a contactless interface for a smart card reader |
-
2007
- 2007-09-30 CN CN2007101755583A patent/CN101398904B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2565086Y (en) * | 2002-08-14 | 2003-08-06 | 萧智勇 | Intelligent card reader |
| CN1698059A (en) * | 2002-09-27 | 2005-11-16 | 诺基亚有限公司 | Wireless communication device providing a contactless interface for a smart card reader |
| CN1553408A (en) * | 2003-05-31 | 2004-12-08 | 龙杰智能卡有限公司 | Changeable intelligent card read-write devices |
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| CN101398904A (en) | 2009-04-01 |
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