CN101963648A - Automatic testing device - Google Patents
Automatic testing device Download PDFInfo
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- CN101963648A CN101963648A CN2009101647770A CN200910164777A CN101963648A CN 101963648 A CN101963648 A CN 101963648A CN 2009101647770 A CN2009101647770 A CN 2009101647770A CN 200910164777 A CN200910164777 A CN 200910164777A CN 101963648 A CN101963648 A CN 101963648A
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Abstract
The invention discloses an automatic testing device, which is used for testing a plurality of circuit boards. The automatic testing device comprises a control unit, a clamping piece and a testing unit, wherein the clamping piece is coupled with the control unit; the control unit controls the clamping piece to clamp at least one circuit board of the circuit boards which is at an output position to a testing position; the testing unit is coupled with the control unit and is used for testing the circuit board at the testing position and providing a testing signal for the control unit; and the control unit controls the clamping piece to clamp the circuit board to one of a plurality of preset positions according to the testing signal.
Description
Technical field
The present invention is relevant for a kind of automatic testing equipment, and particularly relevant for a kind of automatic testing equipment that is applied to circuit board.
Background technology
Along with the development of electronics technology, necessity that computer has become information processing is equipped with.Motherboard is the indispensable important component part of computer, in the motherboard production run, need test to determine whether its function is normal its each element.
Test with network card is an example, and the data communication that the network card on the motherboard is mainly between the computer provides physical connection.For the test of network card, need set up one or several testing servers usually as test platform.Operator is inserted attached netting twine to network with hand, tests by a series of modes such as transmission data files in network.
Above-mentioned way need expend the more time networks, and the testing cost height can't be tested a plurality of network cards simultaneously, and because the manual errors that actual networking may occur can cause the result who tests inaccurate.
Summary of the invention
The object of the present invention is to provide a kind of automatic testing equipment, to improve the disappearance of prior art.
According to a characteristic of the present invention, a kind of automatic testing equipment is proposed, in order to test a plurality of circuit boards.Automatic testing equipment comprises control module, pickup folder and test cell.Pickup folder couples control module.Control module control pickup folder will be positioned at least one circuit board gripping of outgoing position to test position in these circuit boards.Test cell couples control module.Test cell is positioned at the circuit board of test position in order to test, and provides test signal to control module.Control module is according to test signal control pickup folder gripping circuit board one of them to a plurality of different predeterminated positions.
Beneficial effect of the present invention is to utilize automatic testing equipment of the present invention can realize the circuit board testing process automation.The control module control pickup folder of automatic testing equipment will be positioned at the circuit board gripping of outgoing position to test position.After utilizing test cell to finish test to circuit board, control module according to test signal control pickup folder with the circuit board gripping to different predeterminated positions.Whole test process can be finished automatically, has liberated manpower, and has improved production efficiency.
For above and other objects of the present invention, feature and advantage can be become apparent, preferred embodiment cited below particularly, and conjunction with figs. are described in detail below.
Description of drawings
Figure 1 shows that structural representation according to the automatic testing equipment of a preferred embodiment of the present invention.
Figure 2 shows that circuit board according to the automatic testing equipment of a preferred embodiment of the present invention provides the partial schematic diagram of unit.
Figure 3 shows that partial schematic diagram according to the pickup folder of the automatic testing equipment of a preferred embodiment of the present invention.
Figure 4 shows that partial schematic diagram according to the test cell of the automatic testing equipment of a preferred embodiment of the present invention.
Embodiment
Figure 1 shows that structural representation according to the automatic testing equipment of a preferred embodiment of the present invention.Figure 2 shows that circuit board according to the automatic testing equipment of a preferred embodiment of the present invention provides the partial schematic diagram of unit.Figure 3 shows that partial schematic diagram according to the pickup folder of the automatic testing equipment of a preferred embodiment of the present invention.Figure 4 shows that partial schematic diagram according to the test cell of the automatic testing equipment of a preferred embodiment of the present invention.Please in the lump with reference to Fig. 1～Fig. 4.
The automatic testing equipment 1 that present embodiment provided is in order to test a plurality of circuit board 2 (see figure 4)s.In present embodiment, circuit board 2 specifically can be a network card, and in other embodiment, circuit board 2 also can be the circuit board of other type, and the present invention does not make restriction to this.
In present embodiment, automatic testing equipment 1 comprises that circuit board provides unit 10, first sensing unit 11, control module 12, pickup folder 13, bearing part 14, second sensing unit 15, test cell 16, circuit board output unit 17 and indicating member 18.
In present embodiment, circuit board provides unit 10 in order to circuit board to be tested to be provided.As shown in Figure 2, circuit board provides unit 10 to comprise housing 100, accommodating member 102, first actuator 103 and projectile 104.Wherein, housing 100 has a plurality of surperficial 1000, and in present embodiment, those surfaces 1000 are rectangular, and the present invention does not make restriction to this.
In present embodiment, accommodating member 102 can have a plurality of ccontaining lattice 1020, in order to ccontaining circuit board to be tested.Shown in partial enlarged drawing among Fig. 2, these ccontaining lattice 1020 are presented down equidistant the arrangement.In present embodiment, the material of accommodating member 102 is a bakelite, and has the bakelite dividing plate between adjacent two ccontaining lattice 1020.Yet the present invention does not do any qualification to the number and the arrangement mode of ccontaining lattice 1020.
In present embodiment, housing 100 forms half open space.At first operator can push the accommodating member 102 of filling circuit board this semi-open space, and is positioned on first actuator 103.Thus, can utilize first actuator 103 to drive accommodating member 102 motions, for example, can drive accommodating member 102 and move upward, so that circuit board wherein is successively by an outgoing position 101.In present embodiment, two circuit boards arranged side by side can pass through this outgoing position 101 simultaneously.Yet the present invention does not do any qualification to this.
In present embodiment, outgoing position 101 can be positioned at the surface 1000 of housing 100.Particularly, on housing 100 one of them surface 1000, can have a rectangular aperture.This rectangular aperture promptly can be used as the outgoing position 101 in the present embodiment.Yet the present invention does not do any qualification to this.In other embodiment, also this housing 100 can be set, and outgoing position 101 is arranged at the optional position, provide the circuit board in the unit 10 can pass through this outgoing position successively as long as guarantee circuit board.
In present embodiment, when circuit board is positioned at outgoing position 101, utilize projectile 104 to act on circuit board, make circuit board break away from accommodating member 102 to be exposed to outside the housing 100, make things convenient for pickup folder 13 (see figure 3) grippings.After treating pickup folder 13 gripping circuit boards, first actuator 103 can continue the accommodating member 102 that moves up, and makes two circuit boards of next column enter this outgoing position 101.Yet the present invention does not do any qualification to this.
As shown in Figure 2, first sensing unit 11 is arranged at outgoing position 101, in order to the sensor circuit plate and export first induced signal.Specifically, first sensing unit 11 can be fiber sensor.When circuit board provides circuit board that unit 10 provides by outgoing position 101, the existence of first sensing unit, 11 sensor circuit plates, and send first induced signal.
In present embodiment, control module 12 receives first induced signal, and controls the motion of pickup folder 13 according to first induced signal.
As shown in Figure 1, in present embodiment, control module 12 specifically can comprise main frame (figure does not show), display 120, keyboard 121 and mouse 122.Wherein, display 120 can show the duty of automatic testing equipment 1.Operator utilizes keyboard 121 and 122 pairs of control modules 12 of mouse to operate.Especially, keyboard 121 can be designed to be articulated in rotatably worktable 123.When not needing to use keyboard 121, keyboard 121 can be fastened on worktable 123, help saving the space.
In present embodiment, pickup folder 13 specifically can be mechanical arm, utilizes control module 12 controls to finish the gripping action to circuit board.As shown in Figure 3, pickup folder 13 is arranged at Y track 130, and can carry out the Y direction along this track and move.The middle part of Y track 130 has sliding part 132, makes Y track 130 slide along X track 131 by this sliding part 130, to finish pickup folder 13 moving in directions X.In addition, pickup folder 13 also can move along Z direction shown in Figure 3.
In present embodiment, in order to improve testing efficiency, automatic testing equipment 1 comprises a plurality of bearing parts 14 and a plurality of test cells 16, and each bearing part 14 corresponding test cell 16, yet the present invention does not make restriction to this.
As shown in Figure 1, bearing part 14 has test position.Second sensing unit 15 is arranged at this test position, in order to the sensor circuit plate and export second induced signal to control module 12.In present embodiment, second sensing unit 15 can be fiber sensor.Yet the present invention does not make restriction to this.
Specifically, the circuit board gripping that control module 12 will be positioned at outgoing position according to first induced signal control pickup folder 13 is to test position, this moment second sensing unit, 15 these circuit boards of induction and export second induced signal to control module 12.Control module 12 is connected to circuit board to test according to second induced signal control test cell 16.
As shown in Figure 4, the test cell 16 that present embodiment provided is arranged at bearing part 14, in order to testing circuit board 2 and test signal is provided.As shown in Figure 4, bearing part 14 has fixed part 140, in order to fixing circuit board 2.
In present embodiment, each test cell 16 can be tested two circuit boards 2 simultaneously.Have eight fixed parts 140 on the bearing part 14, wherein per four fixed parts 140 are used for fixing a circuit board 2.Yet the present invention does not make restriction to circuit board testing quantity and fixed part number.
In present embodiment, test cell 16 comprises piece under pressure 160, second actuator 161 and control piece 162.Circuit board 2 comprises first connector 20 and the 3rd connector 21.
In present embodiment, piece under pressure 160 couples the control module 12 and second actuator 161, and utilizes second actuator 161 to drive and finish pressing action.In present embodiment, second actuator 161 can be cylinder, and in other embodiment, second actuator can be other equivalent propulsion system.
In present embodiment, piece under pressure 160 comprises bolster 1600, second connector 1601 and the 4th connector 1602.Wherein, second connector 1601 couples control piece 162.In present embodiment, control piece 162 is for storing the main frame of test procedure, and it can be coupled to control module 12.
Specifically, control module 12 control pickup folders 13 move along the Z direction, so that circuit board 2 is positioned on the fixed part 140 of bearing part 14.At this moment, circuit board 2 to be tested promptly is positioned at test position.Second sensing unit, 15 outputs, second induced signal is to control module 12.Control module 12 is promptly controlled 161 starts of second actuator after receiving this second induced signal.
In present embodiment, second actuator 161 at first drives bolster 1600 and presses down.Because have and fixed part 140 corresponding fixed orifices on the circuit board 2, bolster 1600 presses down circuit board 2 is fixed in fixed part 140.
After treating that bolster 1600 is fixed circuit board 2, second actuator 161 drives piece under pressures 160 and presses down, and makes second connector 1601 be connected to first connector 20 of circuit board 2.Thus, circuit board 2 electrically connects with control piece 162, makes 162 pairs of circuit boards of control piece 2 carry out test procedure.
When second actuator, 161 driving piece under pressures 160 pressed down, the 4th connector 1602 also was connected to the 3rd connector 21 of circuit board 2.Thus, two circuit boards 2 are realized intercommunication mutually by piece under pressure 160.
In present embodiment, test cell 16 is to export test signal by testing two communication conditions between the circuit board under test 2.Yet the present invention does not impose any restrictions this.In other embodiment, also can export test signal by the communication conditions between the circuit board of test by testing a circuit board under test and other.
In present embodiment, wait to finish test to circuit board after, test cell 16 provides test signal to control module 12.Control module 12 is controlled pickup folder 13 grippings according to test signal and has been finished the circuit board of test to different predeterminated positions.
In present embodiment, these predeterminated positions comprise first predeterminated position 190 and second predeterminated position 191.Wherein, first predeterminated position 190 is in order to place the circuit board that test is passed through, and second predeterminated position 191 is in order to place the unsanctioned circuit board of test.In present embodiment, second predeterminated position, 191 places can be provided with output units such as belt, directly the unsanctioned circuit board of output test.
Specifically, if circuit board passes through test, test cell 16 can provide a high levle test signal to control module 12.Thus, control module 12 is according to these high power amplifier signal controlling pickup folder 13 gripping circuit board to the first predeterminated positions 190.If circuit board is not by test, test cell 16 is exported a low level test signal, pickup folder 13 gripping circuit board to the second predeterminated positions 191.
As shown in Figure 2, circuit board output unit 17 is arranged at first predeterminated position 190, tests the circuit board that passes through in order to output.In present embodiment, circuit board output unit 17 comprises arranges part 170, the 3rd actuator 171, grippers 172 and slide rail 173.
In present embodiment, to arrange part 170 and have a plurality of ccontaining lattice (figure does not show), each ccontaining lattice can a ccontaining circuit board.If control module 12 control pickup folders 13 will tests the circuit board gripping passed through to the ccontaining lattice of arranging part 170, the 3rd actuator 171 drives arranges the parts 170 ccontaining lattice distance that descends, with the ccontaining lattice of exposure clearancen.In present embodiment, the 3rd actuator 171 can be cylinder, and in other embodiment, the 3rd actuator 171 also can be other equivalent drive unit.
In present embodiment, after the ccontaining lattice of waiting to arrange part 170 all are equipped with circuit board, utilize grippers 172 will arrange part 170 outputs.In present embodiment, grippers 172 can move along slide rail 173.
In present embodiment, indicating member 18 is arranged at test cell 16, is used to indicate the duty of automatic testing equipment 1.In present embodiment, indicating member 18 is for showing the LED fluorescent tube of multiple color.For example, when automatic testing equipment 1 operate as normal, indicating member 18 shows green.When automatic testing equipment 1 crashed, indicating member 18 showed that redness breaks down with the caution operator.
In sum, the automatic testing equipment that present embodiment provided can be realized the purpose of circuit board testing process automation.Operator only need be put into corresponding accommodating member with circuit board to be tested, and whole test process can be finished in robotization.A plurality of test cells realize that circuit board carries out the operation of test process simultaneously in batches, have liberated manpower, and have improved production efficiency.
Though the present invention discloses as above with preferred embodiment; right its is not in order to limit the present invention; have in the technical field under any and know the knowledgeable usually; without departing from the spirit and scope of the present invention; when can doing a little change and retouching, so protection scope of the present invention is as the criterion when looking claims person of defining.
Claims (12)
1. an automatic testing equipment in order to test a plurality of circuit boards, is characterized in that, above-mentioned automatic testing equipment comprises:
Control module;
Pickup folder couples above-mentioned control module, and above-mentioned control module is controlled above-mentioned pickup folder and will be positioned at least one circuit board gripping of outgoing position in above-mentioned these circuit boards to test position; And
Test cell, couple above-mentioned control module, be positioned at the foregoing circuit plate of above-mentioned test position in order to test, and provide test signal to above-mentioned control module, above-mentioned control module is controlled above-mentioned pickup folder gripping foregoing circuit plate to one of them of a plurality of different predeterminated positions according to above-mentioned test signal.
2. automatic testing equipment according to claim 1 is characterized in that, above-mentioned automatic testing equipment comprises that also circuit board provides the unit, and it comprises:
Accommodating member has a plurality of ccontaining lattice, and above-mentioned these ccontaining lattice are in order to ccontaining above-mentioned these circuit boards; And
First actuator couples above-mentioned accommodating member, and above-mentioned first actuator drives above-mentioned these ccontaining lattice of above-mentioned accommodating member successively by above-mentioned outgoing position.
3. automatic testing equipment according to claim 1, it is characterized in that, above-mentioned automatic testing equipment also comprises first sensing unit, be arranged at above-mentioned outgoing position and couple above-mentioned control module, above-mentioned first sensing unit is in order to induction foregoing circuit plate and export first induced signal to above-mentioned control module, and above-mentioned control module is controlled above-mentioned pickup folder gripping foregoing circuit plate according to above-mentioned first induced signal.
4. automatic testing equipment according to claim 1, it is characterized in that, above-mentioned automatic testing equipment also comprises second sensing unit, be arranged at above-mentioned test position and couple above-mentioned control module, above-mentioned second sensing unit is in order to induction foregoing circuit plate and export second induced signal to above-mentioned control module, and above-mentioned control module is controlled above-mentioned test cell according to above-mentioned second induced signal and is coupled to the foregoing circuit plate.
5. automatic testing equipment according to claim 1 is characterized in that above-mentioned automatic testing equipment also comprises bearing part, has above-mentioned test position.
6. automatic testing equipment according to claim 5 is characterized in that above-mentioned bearing part also has fixed part, in order to fixing foregoing circuit plate.
7. automatic testing equipment according to claim 1, it is characterized in that, the foregoing circuit plate that is positioned at above-mentioned outgoing position in above-mentioned these circuit boards is two, the communication conditions between above-mentioned these two circuit boards of above-mentioned thus test cell test, and export above-mentioned test signal.
8. automatic testing equipment according to claim 1 is characterized in that the foregoing circuit plate comprises first connector, and above-mentioned test cell comprises:
Piece under pressure couples above-mentioned control module, and above-mentioned piece under pressure comprises second connector; And
Control piece, couple above-mentioned second connector and above-mentioned control module, and above-mentioned control piece stores test procedure, after treating that the foregoing circuit plate arrives above-mentioned test position, above-mentioned control module is controlled above-mentioned piece under pressure and is coupled to the foregoing circuit plate, above-mentioned second connector is connected to above-mentioned first connector, and above-mentioned control module is controlled above-mentioned control piece and carried out above-mentioned test procedure.
9. automatic testing equipment according to claim 8 is characterized in that above-mentioned test cell also comprises second actuator, couples above-mentioned control module and above-mentioned piece under pressure respectively, and above-mentioned control module utilizes above-mentioned second actuator to control above-mentioned piece under pressure.
10. automatic testing equipment according to claim 1 is characterized in that above-mentioned automatic testing equipment also comprises indicating member, couples above-mentioned control module, in order to indicate the duty of above-mentioned automatic testing equipment.
11. automatic testing equipment according to claim 1, it is characterized in that, above-mentioned these different predeterminated positions comprise first predeterminated position and second predeterminated position, wherein, above-mentioned first predeterminated position is in order to place the foregoing circuit plate that test is passed through, and above-mentioned second predeterminated position is in order to place the unsanctioned foregoing circuit plate of test.
12. automatic testing equipment according to claim 11 is characterized in that, above-mentioned automatic testing equipment also comprises the circuit board output unit, is arranged at above-mentioned first predeterminated position, and foregoing circuit plate output unit comprises:
Arrange part; And
The 3rd actuator couples above-mentioned arrangement part,
Wherein, above-mentioned pickup folder gripping foregoing circuit plate is to above-mentioned arrangement part, and above-mentioned the 3rd actuator drives above-mentioned arrangement part and moves.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW98125086A TWI425224B (en) | 2009-07-24 | 2009-07-24 | Automatic test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101963648A true CN101963648A (en) | 2011-02-02 |
Family
ID=44813760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101647770A Pending CN101963648A (en) | 2009-07-24 | 2009-07-24 | Automatic testing device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN101963648A (en) |
| TW (1) | TWI425224B (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102830343A (en) * | 2012-09-06 | 2012-12-19 | 苏州工业园区世纪福科技有限公司 | Circuit board testing system |
| CN103522265A (en) * | 2013-09-26 | 2014-01-22 | 河南新天科技股份有限公司 | Wireless module automatic detection table |
| CN104133127A (en) * | 2014-07-07 | 2014-11-05 | 珠海市运泰利自动化设备有限公司 | Multifunctional linkage test device |
| CN104597388A (en) * | 2013-10-31 | 2015-05-06 | 纬创资通股份有限公司 | Automation testing system for testing mainboard |
| CN104614666A (en) * | 2015-02-05 | 2015-05-13 | 深圳创维－Rgb电子有限公司 | Automatic testing device of circuit board |
| CN105785258A (en) * | 2016-04-25 | 2016-07-20 | 东莞市联洲知识产权运营管理有限公司 | Printed circuit board assembly (PCBA) automatic detection device |
| CN104133128B (en) * | 2014-07-07 | 2017-08-08 | 珠海市运泰利自动化设备有限公司 | Mini quick multifunctional linkage test equipment |
| CN109542068A (en) * | 2018-12-10 | 2019-03-29 | 武汉中原电子集团有限公司 | A kind of high temperature electrified ageing and control system |
| CN110906980A (en) * | 2019-11-14 | 2020-03-24 | 深圳市华星光电半导体显示技术有限公司 | Detection system and detection method |
| CN115878393A (en) * | 2022-01-20 | 2023-03-31 | 北京沃华慧通测控技术有限公司 | Test system and test method |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108318752A (en) * | 2017-01-16 | 2018-07-24 | 研华股份有限公司 | Detecting system |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6437557B1 (en) * | 2000-01-19 | 2002-08-20 | Dell Usa, L.P. | PC card clamping device for automated test fixture |
| US6882156B2 (en) * | 2002-02-14 | 2005-04-19 | Teradyne, Inc. | Printed circuit board assembly for automatic test equipment |
| US6760680B2 (en) * | 2002-10-09 | 2004-07-06 | Nyt Press Services Llc | Testing system for printing press circuit board controllers |
| TW200813450A (en) * | 2006-09-05 | 2008-03-16 | Inventec Appliances Corp | PC board inspection device |
-
2009
- 2009-07-24 CN CN2009101647770A patent/CN101963648A/en active Pending
- 2009-07-24 TW TW98125086A patent/TWI425224B/en not_active IP Right Cessation
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102830343A (en) * | 2012-09-06 | 2012-12-19 | 苏州工业园区世纪福科技有限公司 | Circuit board testing system |
| CN102830343B (en) * | 2012-09-06 | 2015-07-29 | 苏州工业园区世纪福科技有限公司 | A kind of circuit board testing system |
| CN103522265A (en) * | 2013-09-26 | 2014-01-22 | 河南新天科技股份有限公司 | Wireless module automatic detection table |
| CN103522265B (en) * | 2013-09-26 | 2015-07-22 | 新天科技股份有限公司 | Wireless module automatic detection table |
| CN104597388A (en) * | 2013-10-31 | 2015-05-06 | 纬创资通股份有限公司 | Automation testing system for testing mainboard |
| CN104597388B (en) * | 2013-10-31 | 2017-06-06 | 纬创资通股份有限公司 | For detecting the automated detection system of motherboard |
| CN104133128B (en) * | 2014-07-07 | 2017-08-08 | 珠海市运泰利自动化设备有限公司 | Mini quick multifunctional linkage test equipment |
| CN104133127A (en) * | 2014-07-07 | 2014-11-05 | 珠海市运泰利自动化设备有限公司 | Multifunctional linkage test device |
| CN104133127B (en) * | 2014-07-07 | 2017-12-05 | 珠海市运泰利自动化设备有限公司 | Multi-functional linkage test equipment |
| CN104614666A (en) * | 2015-02-05 | 2015-05-13 | 深圳创维－Rgb电子有限公司 | Automatic testing device of circuit board |
| CN104614666B (en) * | 2015-02-05 | 2017-07-07 | 深圳创维－Rgb电子有限公司 | Automatic tester for circuitboard |
| CN105785258A (en) * | 2016-04-25 | 2016-07-20 | 东莞市联洲知识产权运营管理有限公司 | Printed circuit board assembly (PCBA) automatic detection device |
| CN105785258B (en) * | 2016-04-25 | 2018-12-28 | 罗仙凤 | A kind of automatic detection device of PCBA board |
| CN109542068A (en) * | 2018-12-10 | 2019-03-29 | 武汉中原电子集团有限公司 | A kind of high temperature electrified ageing and control system |
| CN110906980A (en) * | 2019-11-14 | 2020-03-24 | 深圳市华星光电半导体显示技术有限公司 | Detection system and detection method |
| CN110906980B (en) * | 2019-11-14 | 2021-10-08 | 深圳市华星光电半导体显示技术有限公司 | Detection system and detection method |
| CN115878393A (en) * | 2022-01-20 | 2023-03-31 | 北京沃华慧通测控技术有限公司 | Test system and test method |
| CN115878393B (en) * | 2022-01-20 | 2023-09-12 | 北京沃华慧通测控技术有限公司 | Test system and test method |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201104695A (en) | 2011-02-01 |
| TWI425224B (en) | 2014-02-01 |
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Application publication date: 20110202 |