CN2387125Y - Power source switch of washing machine - Google Patents
Power source switch of washing machine Download PDFInfo
- Publication number
- CN2387125Y CN2387125Y CN98249470.XU CN98249470U CN2387125Y CN 2387125 Y CN2387125 Y CN 2387125Y CN 98249470 U CN98249470 U CN 98249470U CN 2387125 Y CN2387125 Y CN 2387125Y
- Authority
- CN
- China
- Prior art keywords
- power
- switch
- power supply
- state
- control device
- 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 - Lifetime
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- 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
- D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
- D06F34/10—Power supply arrangements, e.g. stand-by circuits
-
- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Control Of Washing Machine And Dryer (AREA)
- Stand-By Power Supply Arrangements (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
- Direct Current Feeding And Distribution (AREA)
Abstract
The utility model relates to a power switch for washers, which is provided with a control device performing action during DC power supplying period, wherein the control device 17 is provided with power by a DC power supply 11 when a switch 15 is switched on by the power supply to make a component 13 of the power switch closed, and the component 13 of the power switch is switched off when the power supply is switched off and a switch 16 is switched on. Thus, when the power supply is switched off, namely, in the load unoperated state, the utility model can not supply power for the DC power supply, the switch input can be carried out under the state of unprepared power, thereby, the operation process of switching on and off can be shortened, the input can be carried out with the simple touching method, thereby, the operability and water resisting property can be improved.
Description
The utility model relates to the power switch device that possesses the washing machine that the control device that moves is arranged during providing electric power by dc source.
In the past, the formation that possesses the washing machine that this power switch device is arranged as shown in figure 14.Below, its formation is described.
As shown in the figure, load 1 is made of motor 2, water-supply valve 3, draining valve 4 etc., controls by the power conversion device 6 that is made of amphicheirality's controllable silicon etc. with control device 5, and each program of corresponding washing, rinsing, dehydration is moved successively.Load is connected the AC power 8 of loading on 1 with power switch parts 7 switches.Operation display device 9 is that the running of input washing, rinsing, dehydration etc. is set, the running beginning, stop etc. temporarily, and show the device of its content etc. in operating condition with when unusual, has switch 10, this switch 10 is the normal off open forms that are used to import the break-make of power supply, only becomes on-state during pressing.
Dc source 11 is connected on the AC power, provides power supply to control device 5.Condensate tank of dehumidifier 12 detects the water level in the double dehydration barrel (not shown) of laundry, and its output is input to control device 5, can feed water to the water level of regulation.
In the above-described configuration, if the action when carrying out the break-make of switch 10 of washing machine according to the process description of Figure 15, then under the state that connects AC power 8, dc source 11 is switched on all the time, control device 5 monitors the switch 10 that is arranged in the operation display device 9 all the time, if in step 141, press switch 10, then in step 142 according to present state judge the input of switch 10 be logical be disconnected.
Connecting under the situation of power supply, in step 143, showing the initial holding state of the setting of accepting running etc. by operation display device 9, in step 144, will load be set to closure state with power switch parts 7 after, and move to next stroke.When in step 142 when disconnecting, judge in step 145 whether load 1 moves, under the situation of load 1 action, break load 1 in step 146, in step 147, establish T time delay.When load 1 when not moving, enter step 148 and will load and be set to off-state with power switch parts 7, in step 149, extinguish the demonstration of operation display device 9, become the input wait of switch 10 once more.
But, in above-mentioned formation in the past, even do not make under the state of washing machine running, 1 the power supply of promptly loading is under the state that disconnects, owing to need make control device 5 actions in order to make switch 10 be in the input wait state, so on dc source 11, connecting AC power 8 always.Therefore consume often and prepare electric power,, wish to propose to reduce the countermeasure of this consumption from saving the viewpoint of the energy.
In addition, because dc source 11 always is in conducting state, so constitute the component heating of dc source 11, do not use washing machine, the problem of operation part heating though exist.
Have again, the washing machine in past also has such example, promptly be arranged to the formation of power switch parts and power switch dual-purpose, by using power supply built-in and disconnect the such power switch of on/off state of the solenoidal maintenance hand of usefulness, in the on/off of under the situation of dc source energising, not carrying out power supply, only make the action of power switch disconnection by control device, but, in this formation, the complex structure of power switch, water proofing property is also poor, and the operational stroke during owing to on/off increases, and therefore has the problem of operability difference.
The utility model proposes in order to solve above-mentioned problem in the past, and its 1st purpose is to provide a kind of switch control run short, can import with simple touch manner, and can improve the power switch device of the washing machine of operability and water proofing property.
In addition, when stating the 1st purpose in realization, even its 2nd purpose is to provide a kind of generation instantaneous power failure also can return to the control device of the washing machine of the state before instantaneous power failure takes place.
The power switch device of washing machine of the present utility model, in order to realize above-mentioned the 1st purpose, it constitutes by power switch parts switch and is connected AC power on the dc source, the power connection switch in parallel that to carry out the power connection input is connected on the power switch parts, so constitute control device, make and during the power connection switch is switched on, be set to on-state by the electric power power switch parts that provide by dc source, be switched on if carry out the power supply cut-off switch of power supply disconnection input after the action beginning, then the power switch parts are set to off-state.
Thus, at the state of power supply disconnection, promptly when the state that load does not move, can not switch on, and do not having the input of carrying out switch under the state of preparing electric power, make the switching manipulation stroke short to dc source, can import with simple touch manner, can improve operability and water proofing property.
In addition, the control device of washing machine of the present utility model, in order to realize above-mentioned the 2nd purpose, it constitutes, possesses above-mentioned power switch device, detect the instantaneous power failure checkout gear of the generation of instantaneous power failure, the power supply holding device that constitutes by electrolytic capacitor, the power supply that is made of timer is drive unit again, so constitute control device, detect instantaneous power failure then make power supply drive unit action and power switch parts are set to off-state again if make, if power supply drive unit again detects and passed through the stipulated time, then the power switch parts are set to on-state.
Thus, even taking place, instantaneous power failure also can return to the preceding state of instantaneous power failure generation.
The formation of the invention of the technical solution of the utility model 1 is, possesses dc source, the control device that during providing electric power, moves by above-mentioned dc source, carry out the power switch parts of switch to being connected AC power on the above-mentioned dc source, be connected in parallel with above-mentioned power switch parts and carry out the power connection switch of power connection input, carry out power supply and disconnect the power supply cut-off switch of importing, so constitute above-mentioned control device, promptly above-mentioned power connection switch be switched on during use the above-mentioned power switch parts of the electric power that provides by dc source to be set to closure state, then above-mentioned power switch parts were set to off-state when the above-mentioned power supply cut-off switch in action beginning back was switched on, like this, in power-off state, when promptly loading the state that does not move, the power switch parts are set to off-state, can be to dc source energising, prepare electric power and be to carry out under zero the state action of switch connection.
The invention of technical scheme 2, be in the invention of technique scheme 1, to be connected in series by anti-locking apparatus of the dash current that resistance constitutes and the power connection switch that carries out the power connection input, the dash current that flows through when the power connection switch is switched on can be suppressed at, thereby the damage of component can be prevented.
The invention of technical scheme 3, be in the invention of technique scheme 1, possesses the load power switch block that switch is connected the AC power on the load, constituting of power switch parts is connected switch AC power supply on the dc source, can in the power switch parts, use the element of low capacity thus, thereby the action when power supply is inserted is more stable.
Fig. 1 is the block diagram of power switch device of the washing machine of embodiment 1 of the present utility model.
Fig. 2 is the circuit diagram of the power switch device of same washing machine.
Fig. 3 is the flow chart of the action when showing the power connection input of power switch device of same washing machine.
Fig. 4 shows that the power supply of the power switch device of same washing machine disconnects the flow chart of the action when importing.
Fig. 5 is the block diagram of power switch device of the washing machine of embodiment 2 of the present utility model.
Fig. 6 is the circuit diagram of the power switch device of same washing machine.
Fig. 7 is the block diagram of power switch device of the washing machine of embodiment 3 of the present utility model.
Fig. 8 is the circuit diagram of the power switch device of same washing machine.
Fig. 9 is the flow chart of the action when showing the power connection input of power switch device of same washing machine.
Figure 10 shows the flow chart of the action the when power supply of the power switch device of same washing machine disconnects input.
Figure 11 is the block diagram of power switch device of the washing machine of embodiment 4 of the present utility model.
Figure 12 is the circuit diagram of the power switch device of same washing machine.
Figure 13 is the flow chart of the instantaneous power failure of showing the control device of the same washing machine action when taking place.
Figure 14 is the block diagram that possesses the washing machine of power switch device in the past.
Figure 15 is the flow chart of the action when showing the power supply on/off input of same supply unit.
Below, with reference to description of drawings embodiment of the present utility model.Be endowed prosign and omit explanation with routine same structure in the past.
(embodiment 1)
As shown in Figure 1, power switch parts 13, the AC power 8 that switch is connected with load 1 and dc source 11.The state of the on/off of power supply status display unit 14 display power supplies.Power connection switch 15 and power supply cut-off switch 16 are the switches that switch on and off input that carry out power supply respectively, are the normal off open forms, only become on-state during pressing switch.During power connection switch 15 was pressed, AC power 8 and dc source 11 were connected, and dc source 11 is to control device 17 power supplies.
Concrete circuit constitutes as shown in Figure 2, and dc source 11 is made of transformer 18, bridge diode 19, voltage-stabilized power supply circuit 20, provides dc source to control device 17 at power switch parts 13 during for on-state.Power connection switch 15 is connected in parallel on the power switch parts 13, even make when power switch parts 13 are in off-state, also provides dc source to control device 17 when pressing power connection switch 15.
In the above-described configuration, carry out action under the connection situation of switch according to the process description of Fig. 3.If in step 51, press power connection switch 15, then in step 52, provide power supply to control device 17 from dc source 11, begin action.In step 53, lead-out terminal OUT is set to high level state, makes transistor Q1 conducting.Then, in step 54, by the coil 13a of field power supply switch block 13, power switch parts 13 become on-state and keep this state.In step 55, connect the demonstration of power supply status display unit 14, be set to the state of power connection, and enter the next line journey.
Then, carry out action under the disconnection of switch according to the process description of Fig. 4.If input terminal IN accepts the power supply disconnection indication of power supply cut-off switch 16 in step 61, then control device 17 judges in step 62 whether load 1 moves, under the situation of load 1 action, the action of load 1 is stopped, T ' time delay is set in step 64, inserts step 65 then.
Under the situation that load 1 does not move, enter step 65, turn off power supply status display unit 14, lead-out terminal OUT is set to low level state in step 66, by transistor Q1 being ended cut off energising to power switch parts 13, power switch parts 13 are set to off-state, cut-out is to the energising of dc source 11, the action that end switch is cut off.
(embodiment 2)
As Fig. 5 and shown in Figure 6, resistance 21 and power connection switch 15 are connected in series, thereby prevent the dash current that when power connection switch 15 is switched on, flows through.Other formation is identical with the foregoing description 1.
In the above-described configuration, for the action under the connection of carrying out switch, the disconnection, carry out with step 51 from Fig. 3 of the foregoing description 1 to step 53, and the step 61 from Fig. 4 is to the identical action of a series of action of step 66.
Thereby, the dash current that flows through when power connection switch 15 is switched on can be suppressed at, thereby the damage of component can be prevented.
(embodiment 3)
As shown in Figure 7, load is controlled by the output of control device 23 with power switch parts 22, and switch is connected the AC power 8 on the load 1.The switch that constitutes of power switch parts 24 is connected AC power 8 on the dc source 11.Other formation is identical with the foregoing description 1.
Concrete circuit constitutes as shown in Figure 8, and dc source 11 provides dc source to control device 23 when power switch parts 24 are in the state of connection.Power connection switch 15 is connected in parallel on the power switch parts 24, even when power switch parts 24 are in off-state, also provides dc source to control device 23 if press power connection switch 15.
In the above-described configuration, carry out action under the connection situation of switch according to the process description of Fig. 9.If in step 71, press power connection switch 15, then in step 72, provide power supply to control device 23 from dc source 11, begin action.In step 73, lead-out terminal OUT1 is set to high level state, makes transistor Q1 conducting.Then, by the coil 24a of field power supply switch block 24, power switch parts 24 become on-state and keep this state in step 74.In step 75, connect the demonstration of power supply status display unit 14, control device 23 lead-out terminal OUT2 are set to high level state in step 77, are set to on-state and enter the next line journey with power switch parts 22 by transistor Q2 conducting will be loaded.
Then, carry out action under the situation of disconnection of switch with reference to the process description of Figure 10.Disconnect indication if in step 81, receive the power supply of power supply cut-off switch 16, then control device 23 judges in step 82 whether load 1 moves, under load 1 situation of moving, the action of load 1 is stopped, T ' time delay is set in step 84, and enters step 85.
Under the situation that load 1 does not move, enter step 85, lead-out terminal OUT2 is set to low level state, by making transistor Q2 be set to off-state with power switch parts 22 by loading, in step 86, turn off power supply status display unit 14, lead-out terminal OUT1 is set to low level state in step 87, by making transistor Q1, cut off power supply, and enter the next line journey to dc source 11 by power switch parts 24 are set to off-state.
Thereby power switch parts 24 are because of the power supply of a switch to dc source 11, so can use the element of low capacity in power switch parts 24, the action when power supply is inserted is more stable.
(embodiment 4)
As shown in figure 11, instantaneous power failure checkout gear 25 is the devices of generation that detect the instantaneous power failure of AC power 8, by the voltage of step-down AC power, the synchronous signal of supervision and AC power detects the generation of instantaneous power failure, meanwhile the generation of exporting instantaneous power failures to control device 26.Voltage is drive unit 27 again, and being instrumentation begins to the device of the stipulated time of recovering from instantaneous power failure, if from the generation of control device 26 input instantaneous power failures, then the instrumentation stipulated time, reached the stipulated time to control device 26 outputs.Voltage retaining device 28 is when instantaneous power failure begins to recover, and is used for the power supply of driving voltage switch block 13 again.Other formation is identical with the foregoing description 1.
The formation of physical circuit as shown in figure 12, control device 26, portion possesses within it: lead-out terminal OUT, it is by making transistor Q1 conducting, ending via resistance R 1, the coil 13a of field power supply switch block 13 comes Switching Power Supply switch block 13; Input terminal IN1, it accepts the input of power supply cut-off switch 16; Input terminal IN2, it detects the input from instantaneous power failure checkout gear 25; Timer is a power supply drive unit again.
Action during in the above-described configuration, according to the process description generation instantaneous power failure of Figure 13.If in step 91, detect the generation instantaneous power failure, then in step 92, make as the power supply timer startup of drive unit 27 again, judge in step 93 whether load 1 moves, 1 moving, the action of load 1 is stopped if loading.After being set, T ' time delay enters step 96 in step 95.
Under the situation that load 1 does not move, in step 96, turn off power supply status display unit 14.Then, lead-out terminal OUT is set to low level state in step 97, and transistor Q1 is ended, and cuts off the path to power switch parts 13, in step 98 power switch parts 13 is set to off-state.
If in step 99 power supply again drive unit reach stipulated time t, then lead-out terminal OUT is set to high level state in step 100, makes transistor Q1 conducting, to power switch parts 13 energising.After power switch parts in step 101 13 are connected, in step 102, connect power supply status display unit 14, enter next stroke.So-called next stroke is meant state or the initial holding state before instantaneous power failure takes place.
Thereby, even taking place, instantaneous power failure also can return to the preceding state of instantaneous power failure generation.
In the above-described embodiments, be illustrated, but except washing machine, for example, also can similarly realize for the power switch device by the machine of control device control program of dryer, dishwashing detergent drying machine etc. for washing machine.
If adopt the invention of the technical solution of the utility model 1 as mentioned above, because its formation is, possesses dc source, the control device that during providing electric power, moves by above-mentioned dc source, carry out the power switch parts of switch to being connected AC power on the above-mentioned dc source, be connected in parallel with above-mentioned power switch parts and carry out the power connection switch of power connection input, carry out power supply and disconnect the power supply cut-off switch of importing, above-mentioned control device, during being switched on, above-mentioned power connection switch is set to on-state according to the above-mentioned power switch parts of electric power that provide by dc source, if be switched on then above-mentioned power switch parts are set to off-state at the above-mentioned power supply cut-off switch in action beginning back, so can be at the state of power supply disconnection, when promptly loading the state that does not move, the power switch parts are set to off-state, can not switch on to dc source, and do not make under the situation of control device action, carry out the input of switch, can remove preparation electric power.In addition, owing under the state that switch disconnects, do not switch on, the component that constitutes dc source is not generated heat, thereby make operation part not hot to dc source.Have again,, therefore can make the simple in structure of switch owing to be arranged to be provided with respectively the structure of switch and power switch parts, thereby can improve operability, water proofing property, and then, by the connection switch and the cut-off switch of power supply are set respectively, it is simple that circuit is constituted, and realizes low-cost.
In addition, if adopt the invention of technical scheme 2, because be connected in series the anti-locking apparatus of the dash current that constitutes by resistance with the power connection switch that carries out the power connection input, so can be suppressed at the dash current that flows through when the power connection switch is switched on, thereby can prevent the damage of component.
Have again, if adopt the invention of technical scheme 3, then be because of its formation, possess the load power switch parts that switch is connected the AC power on the load, the power switch parts are connected switch AC power supply on the AC power, so can in the power switch parts, use the element of low capacity, thereby the action when power supply is inserted is more stable.
And then; if adopt the invention of technical scheme 4; then because possess the instantaneous power failure checkout gear of the generation that detects instantaneous power failure; the apparatus for protecting power supply that constitutes by electrolytic capacitor; the power supply that is made of timer is drive unit again; make above-mentioned power supply drive unit action and power switch parts are set to off-state again if control device detects instantaneous power failure; if above-mentioned power supply drive unit again detects and has passed through the stipulated time; then above-mentioned power switch parts are set to on-state, so also can return to the preceding state of instantaneous power failure generation even instantaneous power failure takes place.
Claims (3)
1. the power switch device of a washing machine possesses, dc source; The control device that moves during by above-mentioned DC power supply; Carry out the power switch parts of switch to being connected AC power on the above-mentioned dc source; It is characterized in that possessing is connected in parallel with above-mentioned power switch parts carries out the power connection switch of power connection input; And the power supply cut-off switch that carries out power supply disconnection input.
2. the described power switch device of claim 1 is characterized in that, in series is connected with the anti-locking apparatus of the dash current that is made of resistance with the power connection switch that carries out the power connection input.
3. the power switch device of the described washing machine of claim 1 is characterized in that, possess the load power switch parts that switch is connected the AC power on the load, and the power switch parts is connected switch AC power supply on the dc source.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP44966/98 | 1998-02-26 | ||
JP10044966A JPH11239690A (en) | 1998-02-26 | 1998-02-26 | Power source switching device of washing machine and control device |
Publications (1)
Publication Number | Publication Date |
---|---|
CN2387125Y true CN2387125Y (en) | 2000-07-12 |
Family
ID=12706232
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN98249470.XU Expired - Lifetime CN2387125Y (en) | 1998-02-26 | 1998-12-09 | Power source switch of washing machine |
CN98123088A Expired - Lifetime CN1109152C (en) | 1998-02-26 | 1998-12-09 | Power switch device and controller for washing machine |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN98123088A Expired - Lifetime CN1109152C (en) | 1998-02-26 | 1998-12-09 | Power switch device and controller for washing machine |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPH11239690A (en) |
KR (1) | KR100657063B1 (en) |
CN (2) | CN2387125Y (en) |
TW (1) | TW435481U (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI373543B (en) * | 2008-06-25 | 2012-10-01 | Toshiba Kk | Washing machine |
KR101677612B1 (en) * | 2009-10-29 | 2016-11-18 | 엘지전자 주식회사 | Swiching mode power supply and controlling method thereof |
JP5624944B2 (en) * | 2011-05-31 | 2014-11-12 | 日立アプライアンス株式会社 | Washing machines and electrical equipment |
JP5784431B2 (en) * | 2011-09-13 | 2015-09-24 | 株式会社東芝 | Load driving device and washing machine |
WO2015011863A1 (en) * | 2013-07-24 | 2015-01-29 | パナソニックIpマネジメント株式会社 | Electrical appliance |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR890006903A (en) * | 1987-10-22 | 1989-06-16 | 다니이 아끼오 | Power switch control device such as washing machine |
CN87200051U (en) * | 1987-01-02 | 1988-11-30 | 郭少智 | Program controller for washer |
CN2036315U (en) * | 1988-06-22 | 1989-04-19 | 曾广华 | Telecontrol electric power source plug board |
JPH06284605A (en) * | 1993-03-30 | 1994-10-07 | Sharp Corp | Power supply |
KR950003220A (en) * | 1993-07-12 | 1995-02-16 | 김동학 | Manufacturing method of apatite molded sintered body |
US5686767A (en) * | 1994-12-29 | 1997-11-11 | Thomson Consumer Electronics, Inc. | Apportioning minimal standby power |
KR970024441A (en) * | 1995-10-11 | 1997-05-30 | 구자홍 | Power consumption reduction device using optical energy |
-
1998
- 1998-02-26 JP JP10044966A patent/JPH11239690A/en active Pending
- 1998-12-09 CN CN98249470.XU patent/CN2387125Y/en not_active Expired - Lifetime
- 1998-12-09 CN CN98123088A patent/CN1109152C/en not_active Expired - Lifetime
- 1998-12-16 TW TW088222244U patent/TW435481U/en not_active IP Right Cessation
- 1998-12-31 KR KR1019980063368A patent/KR100657063B1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
JPH11239690A (en) | 1999-09-07 |
KR19990071460A (en) | 1999-09-27 |
CN1227296A (en) | 1999-09-01 |
KR100657063B1 (en) | 2007-04-25 |
CN1109152C (en) | 2003-05-21 |
TW435481U (en) | 2001-05-16 |
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GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CX01 | Expiry of patent term |