CN1704517A - Drum-type washing machine - Google Patents

Drum-type washing machine Download PDF

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Publication number
CN1704517A
CN1704517A CNA2005100024878A CN200510002487A CN1704517A CN 1704517 A CN1704517 A CN 1704517A CN A2005100024878 A CNA2005100024878 A CN A2005100024878A CN 200510002487 A CN200510002487 A CN 200510002487A CN 1704517 A CN1704517 A CN 1704517A
Authority
CN
China
Prior art keywords
cylinder
washing machine
lifting arm
tumbling
rotation
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.)
Granted
Application number
CNA2005100024878A
Other languages
Chinese (zh)
Other versions
CN100473775C (en
Inventor
高弘锡
郑祉德
金炯均
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of CN1704517A publication Critical patent/CN1704517A/en
Application granted granted Critical
Publication of CN100473775C publication Critical patent/CN100473775C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/30—Driving arrangements 
    • D06F37/302—Automatic drum positioning
    • 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
    • D06F37/02—Rotary receptacles, e.g. drums
    • D06F37/04—Rotary receptacles, e.g. drums adapted for rotation or oscillation about a horizontal or inclined axis
    • D06F37/06—Ribs, lifters, or rubbing means forming part of the receptacle
    • D06F37/065—Ribs, lifters, or rubbing means forming part of the receptacle ribs or lifters having means for circulating the washing liquid
    • 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
    • D06F2103/24—Spin speed; Drum movements
    • 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
    • D06F2105/02—Water supply
    • 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
    • D06F2105/46—Drum speed; Actuation of motors, e.g. starting or interrupting
    • D06F2105/48—Drum speed
    • 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 
    • D06F33/30—Control of washing machines characterised by the purpose or target of the control 
    • D06F33/32—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry
    • D06F33/34—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry of water filling

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Control Of Washing Machine And Dryer (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)

Abstract

A drum-type washing machine including at least one lifter for supplying wash water from the outside of a drum to the inside of the drum, and a controller for controlling water supply operations and washing operations based on the angle of rotation of the drum sensed by an angle sensing device. The controller positions the lifter under a water supply pipe so that the wash water is directly supplied from the outside of the drum to the inside of the drum through the lifter. Thus, laundry loaded in the drum is uniformly and rapidly wetted with the wash water. The controller also causes the laundry carried by the lifter to fall from the top position of the drum to maximize dropping power in a wash mode.

Description

Tumbling-box washing machine
The application requires to be submitted on June 2nd, 2004 the interests of the 2004-40000 korean patent application of Korea S Department of Intellectual Property, and this application all is disclosed in this, for reference.
Technical field
The present invention relates to a kind of tumbling-box washing machine, more particularly, relate to a kind of tumbling-box washing machine with improved water supply structure, wherein, the tip position of clothing from cylinder falls.
Background technology
Comprise the cylinder of abluent, washings and clothing by the operation rotary drum electrical motor with rotation, tumbling-box washing machine uses the frictional force between cylinder and the clothing to come washing clothes.
Tumbling-box washing machine is configured, thereby the washings that bucket is full of offer the clothing of cylinder by the hole that is arranged in cylinder.Because before the clothing in washings are got cylinder wet, washings are the gap between the excircle of the inner periphery of fill bucket and cylinder at first, so it takes a long time the clothing in the cylinder of getting wet equably.
Be installed at the lifting arm that forms on the longitudinal direction of rotating shaft on the inner periphery of cylinder.During the rotation of cylinder, lifting arm promotes clothing along the direction of rotation of cylinder.When clothing arrives the top of cylinder, by gravity clothing is fallen, thereby finish the washing of clothing.
Because traditional tumbling-box washing machine is provided with the rotary speed of cylinder according to the weight of clothing, operate cylinder according to the rotary speed that is provided with then, so the clothing that is carried by lifting arm fell arrive the tip position of cylinder at clothing before or after.Therefore, when comparing from the situation that the tip position of cylinder falls with clothing wherein, traditional tumbling-box washing machine has low decline power, has therefore reduced clean result and needs for a long time with washing clothes.
Summary of the invention
Therefore, an aspect of of the present present invention is to provide a kind of tumbling-box washing machine with improved water supply structure, and wherein, the clothing of putting into cylinder is washed water and gets wet equably and apace, and the rotary speed of cylinder is controlled, thereby clothing falls from the tip position of cylinder.
According on the one hand, the invention provides a kind of tumbling-box washing machine, comprising: cylinder, accommodating laundry; The angle sensor device is used to detect the angle of the rotation of cylinder; Rotary drum electrical motor is used to make the cylinder rotation; Electric motor drive unit is used for the head roll motor; And controller, be used for basis and control water supply operation and washing operation by the angle of the rotation of the cylinder of angle sensor device detection.
For washing clothes, at least one lifting arm that is used for washings are provided to from the outside of cylinder the inside of cylinder can be installed in cylinder, and controller can the use angle sensing device be discerned the position of lifting arm, the position of rotation of index drum thus, thus cylinder can receive washings from lifting arm.
Lifting arm can comprise main body, being used to of passing that main body forms receives washing water supplied enters the hole and passes being used for that main body forms washings are sprayed the into spray hole of cylinder.
At least one lifting arm that is used for carrying clothing can be installed in cylinder, and controller can the use angle sensing device discerns the position of the clothing that is carried by lifting arm, so the rotary speed of index drum.
Controller can reduce the rotary speed of cylinder before clothing arrives the tip position of cylinder, thereby clothing falls from the tip position of cylinder.
The angle sensor device can be an encoder of exporting different pulse signals according to the position of rotation of cylinder, and encoder can be worked as cylinder when being in predetermined normal place, the outputting standard pulse signal, and when cylinder is not in predetermined normal place, export another pulse signal.
The calibration pulse signal can have the intensity higher than the intensity of another pulse signal.
According on the other hand, the invention provides a kind of tumbling-box washing machine, comprising: swing roller; Motor is used to make rotary drum rotating; Electric motor drive unit is used for drive motor; At least one lifting arm is installed in the swing roller, the inside that is used to promote clothing and washings is provided to cylinder from the outside of cylinder; Sensing device is used to detect the position of lifting arm; And controller, under the water supply model, be used under halted state lifting arm is placed on first precalculated position, washings are provided to the inside of cylinder, and under washing mode, be used for when the lifting arm that rotates along the direction of rotation of cylinder arrives second precalculated position, reducing the rotary speed of cylinder.
Lifting arm can comprise: main body; Inlet port passes main body and forms, and is used to receive washing water supplied; And spray hole, pass main body and form, be used for washings are sprayed into cylinder.
The angle sensor device can be basis is exported different pulse signals corresponding to the position of rotation of the cylinder of the position of lifting arm a encoder, and encoder can be worked as cylinder when being in predetermined normal place, the outputting standard pulse signal, and when cylinder is not in predetermined normal place, another pulse signal that output has the intensity lower than the intensity of calibration pulse signal.
First precalculated position can be the tip position that has maximum height in cylinder, and second precalculated position can be the position of height that is lower than the height of tip position.
Will be in ensuing description part set forth the present invention other aspect and/or advantage, some will be clearly by describing, and perhaps can learn through enforcement of the present invention.
Description of drawings
In conjunction with the drawings exemplary embodiment is carried out following description, the present invention these and/or other aspect and advantage will become clear and be easier to and understand, wherein:
Fig. 1 is the longitudinal sectional view according to tumbling-box washing machine of the present invention;
Fig. 2 is the perspective view according to the lifting arm of tumbling-box washing machine of the present invention;
Fig. 3 is the block diagram according to tumbling-box washing machine of the present invention;
Fig. 4 illustrates the schematic diagram of supplying with operation according to the water of tumbling-box washing machine of the present invention;
Fig. 5 is the schematic diagram that illustrates according to the washing operation of tumbling-box washing machine of the present invention;
Fig. 6 is the curve map that illustrates according to the relation between the angle of the rotation of the rotary speed of the cylinder of tumbling-box washing machine of the present invention and cylinder; With
Fig. 7 is the chart that illustrates according to the relation between the output signal of the rotary speed of the cylinder of tumbling-box washing machine of the present invention and encoder.
The specific embodiment
Below, will be at length with reference to embodiments of the invention, its example shows that in the accompanying drawings wherein, identical label is represented identical parts all the time.Below, by describing exemplary embodiment with reference to the accompanying drawings to explain the present invention.
As depicted in figs. 1 and 2, tumbling-box washing machine according to the present invention comprises: shell 1 has the approaching cubical shape that limits outward appearance; Bucket 2 is used to hold washings; Cylinder 3 is rotatably installed in the bucket 2 and is provided with a plurality of through holes 4 that pass its formation; With rotary drum electrical motor 5, be used for swing roller 3 with washing clothes.Rotary drum electrical motor 5 comprises stator 5a and rotor 5b.
Opening 2a and 3a form by the bucket 2 and the front surface of cylinder 3 respectively, and the door 6 that is used to open and close opening 2a and 3a is hinged to the front surface of shell 1.
Be used for washings being provided to the feed pipe 7 of washing machine from the outside and being used for the abluent container 8 that abluent mixes with the washings that provide by feed pipe 7 is installed in the top of shell 1, and be used for after washing operation is finished, washings being discharged into the draining pump 9 of outside of shell 1 and the bottom that drainpipe 10 is installed in shell 1.
Cylinder 3 up tilts with the angle of the appointment front surface towards shell 1, and bucket 2 also up tilts with the angle identical with the angle of cylinder 3.
A plurality of lifting arms 11,12 and 13 (Fig. 5) are installed on the inner periphery of cylinder 3, thereby, the distance of lifting arm 11,12 and 13 each interval appointments.The clothing that lifting arm is used for being contained in cylinder 3 rises to the height of appointment with washings.Because the rotation of cylinder 3, then, clothing falls, thereby clothing is washed.
Fig. 2 is the perspective view according to the lifting arm of tumbling-box washing machine of the present invention.
Lifting arm 11 comprises: main body 11a has the trapezoidal shape that limits outward appearance; Enter hole 11b, the upper surface that passes main body 11a in a longitudinal direction forms, and is used to receive washing water supplied; A plurality of spray hole 11c, the lower surface and the side surface that pass main body 11a form, and are used for washings are sprayed into cylinder 1 with the clothing of getting wet; With connecting hole 11d, the upper surface that passes main body 11a forms, and is used to use screw 11e that lifting arm 11 is connected to cylinder 3.
When enter hole 11b be arranged in feed pipe 7 below the time, most of washings of supplying with by feed pipe 7 inject and enter hole 11b, and are provided to the inside of cylinder 3 by spray hole 11c.The remainder that does not have to inject the washings enter hole 11b falls along the excircle of cylinder 3, and fills cylinder 3 from the bottom.As mentioned above, directly spray washings, get wet equably and apace thereby make the clothing that is included in the cylinder 3 be washed water from the top of cylinder 3 according to tumbling-box washing machine of the present invention.
As shown in Figure 3, also comprise the controller 20 that is used to control the whole operations that comprise water supply model and washing mode according to tumbling-box washing machine of the present invention.
Controller 20 refers to that according to the input from the user by input block 21 the present controls electric motor drive unit 22 with head roll motor 5, thereby the driving force of rotary drum electrical motor 5 is transferred to cylinder 3, comes swing roller 3 with the speed of appointment then.
Velocity sensor 23 detects the rotary speed of rotary drum electrical motor 5, and detected speed is offered controller 20.
Encoder 24 detects the angle of the rotation of cylinder 3, and detected angle is offered controller 20.Encoder 24 is installed in the bucket 2, thereby when cylinder 3 rotation, encoder produces the pulse signal of appointment by the magnetic force from the magnet (not shown) generation of the outside that is installed in cylinder 3.Compare with other magnet on being installed in cylinder 3, the magnet with relatively large magnetic force is installed on the predetermined normal place.Therefore, the relatively large magnetic force by above magnet comes from the intensity of the pulse signal of encoder 24 outputs from the magnetic force that the intensity of the calibration pulse signal of encoder 24 outputs is higher than by other magnet.Although in the present embodiment, encoder is exported a plurality of calibration pulse signals with respectively corresponding to a plurality of lifting arms based on normal place during the once rotation of cylinder, yet, during the rotation each time of cylinder, encoder can only be exported a calibration pulse signal with any one lifting arm corresponding to a plurality of lifting arms based on normal place.
Below, with the operation that describes in detail according to tumbling-box washing machine of the present invention.
When the user referred to the present by input block 21 input washings, as shown in Figure 4, controller 20 control electric motor drive units 22 came head roll motor 5, thereby the hole 11b that enters of lifting arm 11 is arranged under the feed pipe 7.That is, controller 20 comes the angle of the rotation of index drum 3 according to the calibration pulse signal from encoder 24 outputs.When washings during the entering hole 11b and feed pipe 7 and be provided for the inside of cylinder 3 under with situation arranged in a straight line of lifting arm 11, by feed pipe 7 washing water supplied injecting lift bars 11 enter hole 11b, and be sprayed into cylinder 3 by spray hole 11c.
When washing machine was operated with washing mode, as shown in Figure 5, cylinder 3 is (R) rotation in a clockwise direction, and lifting arm arrives preposition (B).Then, the rotary speed of cylinder 3 reduces suddenly.
As shown in Fig. 6 and Fig. 7, when beginning when the rotation of cylinder 3 is arranged in the situation of original position (A) from lifting arm 11 under, controller 20 is with first rotary speed (S1) operation cylinder 3.Here, encoder 24 outputs have the pulse signal of low-intensity (M2).When lifting arm 11 arrival precalculated positions (B), that is, when the anglec of rotation of cylinder 3 is first predetermined angular (P1), the calibration pulse signal that encoder 24 outputs have high strength (M1), controller 20 reduces the rotary speed of cylinders 3 then.When thereby swing roller 3 lifting arms 11 arrived tip position (C), the rotary speed of cylinder 3 was reduced to second rotary speed (S2) that is lower than first rotary speed (S1) from first rotary speed (S1).Now, the rotary speed of the clothing (L) that is carried by lifting arm 11 is lowered, and clothing (L) falls along gravity direction (F) from the tip position (C) that departs from the angle (a) of appointment with precalculated position (B).Then, when lifting arm 11 process tip positions (C), controller 20 is increased to the rotary speed of cylinder 3 first rotary speed (S1) of first rotary speed (S1) and maintenance cylinder 3.
Lifting arm 12 or 13 whenever subsequently arrives precalculated position (B), that is, when the angle of the rotation of cylinder 3 arrived second predetermined angular (P2) or the 3rd predetermined angular (P3), the rotary speed of cylinder 3 was reduced to second rotary speed (S2).When lifting arm 12 or 13 process tip positions (C), the rotary speed of cylinder 3 is increased to first rotary speed (S1), and remains on first rotary speed (S1).When cylinder 3 once rotates, repeat above-mentioned process.
Similarly, when cylinder 3 rotates in the counterclockwise direction, and lifting arm 11 arrives at tip position (C) before during the preposition of specified angle, and controller 20 reduces the rotary speed of cylinders 3, and the clothing that is carried by lifting arm 11 is fallen from tip position (C).
As mentioned above, cylinder according to washing machine of the present invention alternately rotates along clockwise and counter clockwise direction during washing mode, and when lifting arm arrives tip position, the clothing that is carried by lifting arm is fallen, thereby make the maximization of decline power by gravity.
Be clear that from above description, the invention provides a kind of tumbling-box washing machine with improved water supply structure, wherein, lifting arm is placed under the feed pipe, be contained in clothing the cylinder thereby washings directly are provided for the inside of cylinder from the outside of cylinder and be washed water and get wet equably and apace, therefore shortened wash time.In addition, the rotary speed that tumbling-box washing machine of the present invention comes index drum according to the position of clothing, thus can fall from the tip position of cylinder so that decline power reaches maximum by the clothing that lifting arm carries, therefore improved clean result.
Although show and described exemplary embodiment of the present invention, but it should be appreciated by those skilled in the art, under the situation that does not break away from the principle of the present invention that limits its scope by claims and its equivalent and spirit, can make a change in an embodiment.

Claims (14)

1, a kind of tumbling-box washing machine comprises:
Cylinder;
The angle sensor device, it detects the angle of the rotation of cylinder;
Rotary drum electrical motor makes the cylinder rotation;
Electric motor drive unit, the head roll motor; With
Controller is controlled water according to the angle of the rotation of the cylinder that is detected by the angle sensor device and is supplied with operation and washing operation.
2, tumbling-box washing machine according to claim 1 comprises:
At least one lifting arm,
Wherein, this at least one lifting arm with washings offer cylinder inside and
Wherein, controller use angle sensing device is discerned the position of this at least one lifting arm, the position of rotation of index drum thus, thus cylinder can receive washings from this at least one lifting arm.
3, tumbling-box washing machine according to claim 2, wherein, this at least one lifting arm comprises main body, being used to of passing that main body forms receives washing water supplied enters the hole and passes being used for that main body forms washings are sprayed the into spray hole of cylinder.
4, tumbling-box washing machine according to claim 1 comprises:
At least one lifting arm,
Wherein, this at least one lifting arm carry the clothing that is contained in the cylinder and
Wherein, controller use angle sensing device is discerned the position of the clothing that is carried by this at least one lifting arm, the rotary speed of index drum thus.
5, tumbling-box washing machine according to claim 4, wherein, controller reduced the rotary speed of cylinder before clothing arrives tip position, thus clothing falls from tip position.
6, tumbling-box washing machine according to claim 2, wherein, the angle sensor device is an encoder of exporting different pulse signals according to the position of rotation of cylinder, and encoder is when cylinder is in predetermined normal place, the outputting standard pulse signal, and when cylinder is not in predetermined normal place, export another pulse signal.
7, tumbling-box washing machine according to claim 6, wherein, the calibration pulse signal has the intensity higher than the intensity of another pulse signal.
8, tumbling-box washing machine according to claim 4, wherein, the angle sensor device is an encoder of exporting different pulse signals according to the position of rotation of cylinder, and encoder is when cylinder is in predetermined normal place, the outputting standard pulse signal, and when cylinder is not in predetermined normal place, export another pulse signal.
9, tumbling-box washing machine according to claim 8, wherein, the calibration pulse signal has the intensity higher than the intensity of another pulse signal.
10, a kind of tumbling-box washing machine comprises:
Swing roller;
Motor makes rotary drum rotating;
Electric motor drive unit, drive motor;
At least one lifting arm promotes clothing and washings is provided to the inside of cylinder;
Sensing device, it detects the position of lifting arm; With
Controller, it is placed on first precalculated position washings being provided to the inside of cylinder with lifting arm, and when the lifting arm along the direction of rotation rotation of cylinder arrives second precalculated position, reduces the rotary speed of cylinder.
11, tumbling-box washing machine according to claim 10, wherein, lifting arm comprises main body, being used to of passing that main body forms receives washing water supplied enters the hole and passes being used for that main body forms washings are sprayed the into spray hole of cylinder.
12, tumbling-box washing machine according to claim 10, wherein, sensing device is basis is exported different pulse signals corresponding to the position of rotation of the cylinder of the position of this lifting arm a encoder, and encoder is when cylinder is in predetermined normal place, the outputting standard pulse signal, and when cylinder is not in predetermined normal place, another pulse signal that output has the intensity lower than the intensity of calibration pulse signal.
13, tumbling-box washing machine according to claim 12, wherein, first precalculated position is the tip position that has maximum height in cylinder, and second precalculated position is the position of height that is lower than the height of tip position.
14, a kind of tumbling-box washing machine comprises:
Cylinder;
Be used to detect the device of angle of the rotation of cylinder;
Be used to make the rotary drum electrical motor of cylinder rotation;
The device that is used for the head roll motor; With
Be used for basis and control the device that water is supplied with operation and washing operation by the angle of the rotation of the cylinder of angle sensor device detection.
CNB2005100024878A 2004-06-02 2005-01-25 Drum-type washing machine Expired - Fee Related CN100473775C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR40000/04 2004-06-02
KR1020040040000A KR20050115342A (en) 2004-06-02 2004-06-02 Drum type washing machine

Publications (2)

Publication Number Publication Date
CN1704517A true CN1704517A (en) 2005-12-07
CN100473775C CN100473775C (en) 2009-04-01

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CNB2005100024878A Expired - Fee Related CN100473775C (en) 2004-06-02 2005-01-25 Drum-type washing machine

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US (1) US20050268669A1 (en)
EP (1) EP1602770A3 (en)
JP (1) JP2005342495A (en)
KR (1) KR20050115342A (en)
CN (1) CN100473775C (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112639203A (en) * 2018-08-30 2021-04-09 Lg电子株式会社 Washing machine and control method thereof
CN109112781A (en) * 2018-11-01 2019-01-01 珠海格力电器股份有限公司 Optimal rotating speed adjusting method and washing machine
CN109112781B (en) * 2018-11-01 2019-12-20 珠海格力电器股份有限公司 Optimal rotating speed adjusting method and washing machine
CN113605060A (en) * 2021-08-04 2021-11-05 海信（山东）冰箱有限公司 Drum washing machine

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EP1602770A2 (en) 2005-12-07
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EP1602770A3 (en) 2007-07-04
CN100473775C (en) 2009-04-01
KR20050115342A (en) 2005-12-07

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