CN1223719C - Dewater control method of washing machine - Google Patents
Dewater control method of washing machine Download PDFInfo
- Publication number
- CN1223719C CN1223719C CNB021221898A CN02122189A CN1223719C CN 1223719 C CN1223719 C CN 1223719C CN B021221898 A CNB021221898 A CN B021221898A CN 02122189 A CN02122189 A CN 02122189A CN 1223719 C CN1223719 C CN 1223719C
- Authority
- CN
- China
- Prior art keywords
- dehydration
- abnormal vibrations
- washing machine
- value
- revolution
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000005406 washing Methods 0.000 title claims abstract description 57
- 238000000034 method Methods 0.000 title claims abstract description 31
- 230000018044 dehydration Effects 0.000 claims abstract description 80
- 238000006297 dehydration reaction Methods 0.000 claims abstract description 80
- 230000002159 abnormal effect Effects 0.000 claims abstract description 64
- 238000001514 detection method Methods 0.000 claims abstract description 46
- 238000009987 spinning Methods 0.000 abstract 3
- 230000002250 progressing effect Effects 0.000 abstract 1
- 238000006073 displacement reaction Methods 0.000 description 6
- 238000007689 inspection Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F33/00—Control of operations performed in washing machines or washer-dryers
- D06F33/50—Control of washer-dryers characterised by the purpose or target of the control
- D06F33/76—Preventing or reducing imbalance or noise
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
- D06F37/42—Safety arrangements, e.g. for stopping rotation of the receptacle upon opening of the casing door
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
- D06F2103/26—Imbalance; Noise level
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
- D06F2105/62—Stopping or disabling machine operation
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Control Of Washing Machine And Dryer (AREA)
- Accessory Of Washing/Drying Machine, Commercial Washing/Drying Machine, Other Washing/Drying Machine (AREA)
Abstract
The invention provides a dehydration control method for washing machine capable of making an automatic operation effective by not perfectly stopping dehydration operation immediately when an impact value is small even if an unbalance detection switch is operated to judge an unbalance state in dehydration process. The washing machine for automatically progressing washing, rinsing and dehydration processes provided with an abnormal vibration detecting means for detecting an abnormal vibration generated by the large gathering to one side of clothes within a washing and spinning tub in dehydration process, is further provided with a detection frequency measuring means for measuring the detection frequency of abnormal vibration and a rotating speed detecting means for detecting the spinning rotating speed for dehydration. The value of detecting frequency of abnormal vibration is set on the basis of the value of the spinning rotating speed, and when the detection frequency of abnormal vibration reaches the set value thereof, the dehydration operation is stopped.
Description
Technical field
The present invention relates to the dehydration controlling method of washing machine.
Background technology
For example known automatic washing machine also can freedom joltily suspend bucket 4 in midair by hanging rod 2 and vibrationproof portion 3 in the bucket 1 as shown in Figure 2 outside, in this bucket 4, rotatably set and have the washing and dewatering bucket 5 that has the rotation wing in the bottom, below bucket 4, set the drive unit 7 that utilizes motor etc.
This automatic washing machine supplies water automatically, does washing, cleans, dehydration procedure, during dehydrating operation when the high water of washing and dewatering bucket is firmly rotated, be offset to a direction as the washing clothing in the washing and dewatering bucket 5, then washing and dewatering bucket 5 shakes and noise transmission bucket 4, this makes bucket 4 vibrations cause whole washing machine abnormal vibrations by the housing contacts with the washing machine clothing, dehydrating operation can not be carried out, when the most serious even washing machine is fallen down.
In order to prevent this from occurring, abnormal vibrations when for example being provided with because of dehydration in the prior art causes that the imbalance of displacement detects lever 8 and passes through the uneven sense switch 10 that this imbalance detects the displacement of lever 8, they are positioned on the inboard of outer bucket and the position between the bucket 4 as the abnormal vibrations detection means, after the off-centre of the washings in the washing and dewatering bucket 5 surpasses to a certain degree, cause that by this reason when being hung the bucket vibration transfer that anti-vibrating system that rod 2 and vibrationproof portion constitute supports, bucket 4 is with regard to the uneven lever 8 that detects of roof pressure.
Therefore, 8 displacements of uneven detection lever make uneven sense switch 10 actions, by the uneven detection signal from this imbalance sense switch 10, be judged as non-equilibrium state according to the action that utilizes the control of microcomputer device, by dehydrating operation being stopped to output signals such as drive units 7.
Among the figure 9 is uneven axle supports that detect lever 8, and the uneven lever 8 that detects is that the fulcrum heavy curtain is moving with this supporting-point 8.The 11st, expression makes uneven inspection lever 8 turn back to reseting plate spring on the regulation detection position.
Summary of the invention
In recent years for water saving with energy-conservationly require the washing machine miniaturization, the result makes the gap turn narrow of 1 on the bucket 4 that is equipped with antihunting device and shell, even therefore the vibration transfer amount of bucket 4 is little, bucket 4 also can the roof pressure imbalance detect lever 8, resembling the prior art in the dehydration stroke when being judged to non-equilibrium state by uneven sense switch 10, just necessarily dehydrating operation is stopped, will situation about stopping at the dehydration stroke be increased, and the overslaugh fully automatic operation.
The objective of the invention is in order to solve the problem in the above-mentioned prior art example, and provide a kind of dehydration controlling method of washing machine, even this method is judged as uneven shape by uneven sense switch action in the dehydration stroke, but under the little situation of impact, can dehydrating operation be stopped fully yet, automatic operation is carried out effectively.
The present invention in order to achieve the above object, the invention provides a kind of dehydration controlling method of washing machine, described washing machine is done washing automatically, clean and the dehydration stroke, and be provided with detection abnormal vibrations detector because of the serious eccentric vibration that takes place of washing and dewatering bucket underwear class in the dehydration stroke, it is characterized in that, by detecting the detection number of times that the number of times meter measures abnormal vibrations, detect the dehydration revolution by the rotation revolution detector, set the value of the detection number of times of abnormal vibrations according to the value of described dehydration revolution, and when the value of the detection number of times of abnormal vibrations reaches the determinating reference value of detection number of times of abnormal vibrations of above-mentioned setting, just stop dehydrating operation, and, begin dehydrating operation again when dewatering revolution not when 10rpm is following.
Therefore, if detect abnormal vibrations once, then because just under its whole situation dehydrating operation is stopped immediately, and the operation that can reduce the eccentric reason of clothing class in the dehydration stroke stops, thereby can carry out automatic operation.
Second, because determinating reference value as the detection number of times of described abnormal vibrations, set different values corresponding to the value of different dehydration revolutions, so can be set on the suitable running status by setting be suitable for the loading value of detection number of times of abnormal vibrations of situation of the dehydrating operation that alleviating gradually.
The 3rd, because the determinating reference value of the detection number of times of described abnormal vibrations is corresponding to the increase of the value of described dehydration revolution and reduce, so in low velocity impact value hour, just out of service after the abnormal vibrations repeated detection, and it is just out of service only to go out the big uneven situation of abnormal vibrations in continuous detecting, thereby can avoid unnecessary operation to stop.And to impact value big run up the time abnormal vibrations that takes place can prevent danger because of stop to take place temporarily.
The 4th, because the determinating reference value of the control number of times of described abnormal vibrations is set by the operation that is provided in the console switch on the washing machine, so can be fit to user's needs, even and washing machine also can once freely be set on the desirable value after buying, thereby obtains the good operation sequence of operating position.
Description of drawings
Fig. 1 is the programme diagram of operation of the embodiment of expression laundry machine dehydration control method of the present invention.
Fig. 2 is that the vertical profile of implementing the washing machine of laundry machine dehydration control method of the present invention is looked side view.
The specific embodiment
Describe embodiments of the present invention with reference to the accompanying drawings in detail.Fig. 1 is the programme diagram of expression dehydration controlling method operation of the present invention, and Fig. 2 is that the vertical profile of implementing the washing machine of dehydration controlling method is looked side view, because the essential structure of washing machine is illustrated with regard to Fig. 2, so omit detailed explanation at this.The washing machine of implementing the inventive method also be supply water, washing, clean, washing machine that dehydration procedure carries out automatically, the uneven sense switch 10 of displacement action that the imbalance of the displacement that abnormal vibrations causes when having detection because of dehydration detects lever 8 and detects lever 8 by this imbalance is as the abnormal vibrations detection means of bucket 4.
According to the present invention, comprise this abnormal vibrations detection means, set the revolution detector that the metering abnormal vibrations detects the detection counting meter of number of times and detects the dehydration number of times.Above-mentioned detection number of times detector is counted the number of times that the detection signal from uneven sense switch 10 inputs to control device by the control of microcomputer device of for example control washing operation.
The dehydration revolution detector utilization of detection dehydration revolution is attached to the revolution detector on the motor that constitutes drive unit 7.
According to Fig. 1 dehydrating operation operation of the present invention is described below.When the dehydration stroke is begun, control device indicates F1 to the dehydration that identification dehydration revolution surpasses the operation of 150rpm at a high speed, the abnormal vibrations sign F2 that the identification abnormal vibrations has or not, abnormal vibrations time counting number B is initially set 0[step (100)], make drive unit 7 energisings [step (101)], set the dehydration timing [step (102)] of for example counting dewatering time every 1 minute, when dehydrating operation began, timer counter began [step (103)].
When reaching the dehydration setting-up time that is set in control device after the dehydration [step (104)],, this revolution value is stored among the register N with dehydration revolution detector metering dehydration number of times [step (105)].Then carry out abnormal vibrations and judge [step (106)], at this moment reason [step (100)] initial setting abnormal vibrations F2=0 judges so enter next high speed.
; because dehydrating operation just begins, the dehydration revolution is less than 150rpm[step (107)], though then dehydration high speed sign becomes F1=1[step (108)]; imbalance not taking place during as this high speed dewatering yet then turn back to [step (103)], repeats this program.
Up to proceeding to reach the time that this dehydration procedure finishes, if proceeding to with not stopping, dehydrating operation do not reach the time [step (118)] that dehydration finishes, then make dehydration counting zero clearing [step (119)] regularly, finish dehydrating operation.
; dehydration revolution after dehydrating operation begins is [step (107)] during less than the low cruise of 150rpm; clothing off-centre in the washing and dewatering bucket 5 takes place and the bucket vibration is propagated; in case the uneven lever 8 that detects of bucket 4 roof pressures; the uneven lever 8 that detects is with regard to displacement; make 10 actions of uneven sense switch, input to control device [step (109)] from the uneven detection signal of this imbalance sense switch 10.
Because at this moment washing and dewatering bucket 5 is the low cruise state below dehydration revolution 150rpm as mentioned above, so be that dehydration indicates F1=0[step (111) at a high speed], abnormal vibrations time counter B is added 1, after become B=1[step (112)], transfer to the next number of times that detects then and judge [step (113)], the value of abnormal vibrations time counting number B is 1 as mentioned above, because be below 4 of setting, next time stops to judge [step (114)] so transfer at this.
At this, in the detection number of times of [step (113)] is judged, why be set at 4 detecting number of times, be when low cruise, it is the number of times that recurs that is used to infer uneven degree owing near the imbalance that a little intrinsic vibration of impact energy values, takes place as the condition that is used to dehydration procedure is stopped fully, but number of times 4 is not subjected to 4 qualification, and this number of times is set arbitrarily by the operation that is provided in the console switch on the washing machine.
So, detect uneven the generation, detect after time counting number, judge whether to be in the following halted state of 10rpm behind the revolution of washing and dewatering bucket 5, because not in halted state [step (114)], export to drive unit 7 by control device, and cut off the electricity supply [step (115)].
Because abnormality detection takes place, so abnormal vibrations sign F2=1[step (110)], dehydration procedure is temporarily stopped.
Return [step (103)] then, the timer counter of dewatering time is continued on the limit, and frontier inspection is surveyed dehydration revolution [step (104), (105)].Then in [step (106)] because be set at abnormal vibrations sign F2=1 by above-mentioned [step (110)], so revolution to from [step (106)] to [step (114)], judge whether the washing and dewatering bucket stops.
Though at this moment drive unit 7 descends because of the dump revolution as mentioned above, but because washing and dewatering bucket 5 is not in revolution during by inertia rotation is halted state [step (114)] below the 10rpm, so drive unit 7 still continues to keep the OFF state same as before.
Repeat this program, inertia by washing and dewatering bucket 5 causes that rotation disappears, as declare the not state below 10rpm of one revolution in [step (114)], then drive unit is energized again, begin dehydrating operation [step (116)] again, the abnormal vibrations sign becomes F2=0[step (117)].And then turn back to [step (103)], and the timer counter of operation dewatering time is continued on the limit, and frontier inspection is surveyed dehydration revolution [step (104), (105)].
Be set at F2=0 in [step (106)] because of abnormal vibrations sign in above-mentioned [step (117)], so the abnormal vibrations detection was carried out on limit same as described above during dehydrating operation was near the following low cruise state of the dehydration revolution 150rpm of the intrinsic vibration of starting stage, operation is continued on the limit.
Under the situation that abnormal vibrations is detected, same as described above then, the power supply of sever supply drive unit 7 temporarily stops dehydration procedure, if the rotation of the washing and dewatering bucket 5 that causes because of inertia stops, then again to drive unit 7 energisings, bringing into operation again.So, under the low cruise state, under the situation that abnormal vibrations has been detected, by once stopping repeatedly and beginning again, be included in the clothing moisture by centrifugal force be discharged from the back clothing class weight is lightened, so be not easy to take place uneven, can successfully transfer to and run up.Therefore need not stop dehydration procedure fully because of the imbalance that under the low cruise state, takes place, can transfer to high-speed cruising, thereby can carry out dehydration procedure automatically.
In addition, be exactly to take place under the low cruise state under the situation of abnormal vibrations more than four times [step (113)], even the clothing off-centre that also being judged as moves stops once to repeat to begin still to take place to revise again takes place, and the power supply [step (118)] of cut-out drive unit 7, make dehydration counting zero clearing [step (119)] regularly, out of service.
In addition, be in from low speed dehydrating operation begin to rise [step (107)] when making the dehydration revolution reach high-speed cruising state more than the 150rpm, dehydration sign at a high speed becomes F1=1[step (108)], in case detect abnormal vibrations [step (109)] at this state, big and dangerous because the uneven impact energy that causes, so if there is abnormal vibrations to take place [step (101), (118), (119)] out of service with regard to the power supply that cuts off drive unit 7 immediately.
In addition, if when high speed dewatering moves, do not detect abnormal vibrations [step (10)], continue to run until that then the dewatering time that dehydrated timer is counted finishes, and finishes dehydration procedure [step (103), (104), (118), (119)]
As mentioned above, when the little low cruise of the impact energy that causes because of clothing off-centre, though clothing is eccentric to be taken place because be judged as, but only stop once just to revise, just stop dehydration procedure and only the situation that detected number of times reaches repeatedly takes place, so the number of times complete out of service that can reduce in the dehydration procedure implementation reduces at abnormal vibrations.
As mentioned above, laundry machine dehydration control method of the present invention, first, described washing machine is provided with detection and is doing washing automatically, clean and the stroke and be provided with detection in the dehydration stroke of dewatering, the abnormal vibrations detector of the vibration that takes place because of the big off-centre of washing and dewatering bucket underwear class, the detection number of times meter and the rotation revolution detector that detects dehydration rotation revolution of the detection number of times of metering abnormal vibrations are set in this washing machine, set the value of the detection number of times of abnormal vibrations according to the value of dehydration revolution, when the value of the detection number of times of the abnormal vibrations that reaches this setting, just stop dehydrating operation.
Therefore, if detect abnormal vibrations once, then because just under its whole situation dehydrating operation is stopped immediately, and the operation that can reduce the eccentric reason of clothing class in the dehydration stroke stops, thereby can carry out automatic operation.
Second, because the value of the dehydration revolution that the value of above-mentioned detection number of times to abnormal vibrations is corresponding different is set different values, so can be set on the suitable running status by setting be suitable for the loading value of detection number of times of abnormal vibrations of situation of the dehydrating operation that alleviating gradually.
The 3rd, because the value of the detection number of times of above-mentioned abnormal vibrations is set manyly when the value of dehydration revolution is hanged down, and revolution is set fewly when high, so in low velocity impact value hour, just out of service after the abnormal vibrations repeated detection, and it is just out of service only to go out the big uneven situation of abnormal vibrations in continuous detecting, thereby can avoid unnecessary operation to stop.And to impact value big run up the time abnormal vibrations that takes place can prevent danger because of stop to take place temporarily.
The 4th, because the value of the control number of times of above-mentioned abnormal vibrations can be set arbitrarily by the operation that is provided in the console switch on the washing machine, so can be fit to user's needs, even and washing machine also can once freely be set on the desirable value after buying, thereby obtains the good operation sequence of operating position.
Claims (4)
1, a kind of dehydration controlling method of washing machine, described washing machine is done washing automatically, clean and the dehydration stroke, and be provided with detection abnormal vibrations detector because of the serious eccentric vibration that takes place of washing and dewatering bucket underwear class in the dehydration stroke, it is characterized in that, by detecting the detection number of times that the number of times meter measures abnormal vibrations, detect the dehydration revolution by the rotation revolution detector, set the value of the detection number of times of abnormal vibrations according to the value of described dehydration revolution, and when the value of the detection number of times of abnormal vibrations reaches the determinating reference value of detection number of times of abnormal vibrations of above-mentioned setting, just stop dehydrating operation, and when described dehydration revolution not when 10rpm is following, begin dehydrating operation again.
2, the dehydration controlling method of washing machine as claimed in claim 1 is characterized in that: as the determinating reference value of the detection number of times of described abnormal vibrations, set different values corresponding to the value of different dehydration revolutions.
3, the dehydration controlling method of washing machine as claimed in claim 1 or 2 is characterized in that: the determinating reference value of the detection number of times of described abnormal vibrations is corresponding to the increase of the value of described dehydration revolution and reduce.
4, the dehydration controlling method of washing machine as claimed in claim 1 or 2 is characterized in that: the determinating reference value of the detection number of times of described abnormal vibrations can be set by the operation that is provided in the console switch on the described washing machine.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP89370/01 | 2001-03-27 | ||
| JP2001089370A JP2002282590A (en) | 2001-03-27 | 2001-03-27 | Dehydration control method for washing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1381638A CN1381638A (en) | 2002-11-27 |
| CN1223719C true CN1223719C (en) | 2005-10-19 |
Family
ID=18944307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021221898A Expired - Fee Related CN1223719C (en) | 2001-03-27 | 2002-03-26 | Dewater control method of washing machine |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2002282590A (en) |
| KR (1) | KR20020076135A (en) |
| CN (1) | CN1223719C (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100424251C (en) * | 2003-12-29 | 2008-10-08 | 金羚电器有限公司 | Dewatering operation method for full-automatic washing machine |
| KR102214657B1 (en) * | 2014-03-10 | 2021-02-09 | 엘지전자 주식회사 | Washing machine and control method of the same |
| CN105200711B (en) * | 2014-06-16 | 2019-04-19 | 青岛海尔洗衣机有限公司 | A kind of washing machine unbalance detection and washing machine |
| JP6736511B2 (en) * | 2017-03-28 | 2020-08-05 | 三菱重工業株式会社 | Wing abnormality detection device, blade abnormality detection system, rotary machine system and blade abnormality detection method |
| CN107558101B (en) * | 2017-09-30 | 2018-08-31 | 深圳和而泰小家电智能科技有限公司 | A kind of dehydration controlling method, dehydration control apparatus and washing machine |
| CN109837695A (en) * | 2017-11-24 | 2019-06-04 | 无锡小天鹅股份有限公司 | Eccentric cognitive method, system and the washing machine of washing machine |
| CN110409116B (en) * | 2018-04-28 | 2023-05-23 | 青岛海尔洗衣机有限公司 | Control method of washing machine |
| CN111893708B (en) * | 2019-05-06 | 2022-08-09 | 江苏新安电器股份有限公司 | Roller washing machine's dehydration detecting system |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0515694A (en) * | 1991-07-15 | 1993-01-26 | Sharp Corp | Washing machine |
| JP2669982B2 (en) * | 1992-01-14 | 1997-10-29 | 三洋電機株式会社 | Drum type washing machine |
| JPH067575A (en) * | 1992-06-29 | 1994-01-18 | Matsushita Electric Ind Co Ltd | Fully automatic washing machine |
| KR0164741B1 (en) * | 1994-01-26 | 1999-04-15 | 김광호 | A device of balancing dehydration for a washing machine |
| KR19980074214A (en) * | 1997-03-22 | 1998-11-05 | 윤종용 | High Speed Dewatering Method Of Drum Washing Machine |
| KR19990003437A (en) * | 1997-06-25 | 1999-01-15 | 윤종용 | How to detect unbalance of washing machine |
| KR100224456B1 (en) * | 1997-07-25 | 1999-10-15 | 윤종용 | Dehydrating control method for drum washing machine |
| KR20000008307A (en) * | 1998-07-11 | 2000-02-07 | 구자홍 | Dehydrating vibration control method and sensor thereof for drum washer |
| KR100316991B1 (en) * | 1998-11-23 | 2002-02-28 | 구자홍 | How to control unbalance of washing machine |
| KR20010028452A (en) * | 1999-09-21 | 2001-04-06 | 구자홍 | method for controlling of spin-drying on the ground of unbalance amount |
-
2001
- 2001-03-27 JP JP2001089370A patent/JP2002282590A/en active Pending
-
2002
- 2002-03-25 KR KR1020020016006A patent/KR20020076135A/en not_active Application Discontinuation
- 2002-03-26 CN CNB021221898A patent/CN1223719C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| KR20020076135A (en) | 2002-10-09 |
| JP2002282590A (en) | 2002-10-02 |
| CN1381638A (en) | 2002-11-27 |
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Granted publication date: 20051019 Termination date: 20100326 |