CN101962904B - Touch system of washing machine and false touch elimination method used thereby - Google Patents
Touch system of washing machine and false touch elimination method used thereby Download PDFInfo
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- CN101962904B CN101962904B CN2009101647520A CN200910164752A CN101962904B CN 101962904 B CN101962904 B CN 101962904B CN 2009101647520 A CN2009101647520 A CN 2009101647520A CN 200910164752 A CN200910164752 A CN 200910164752A CN 101962904 B CN101962904 B CN 101962904B
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- 238000003379 elimination reaction Methods 0.000 title abstract 2
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- HCOLPNRPCMFHOH-UHFFFAOYSA-N Prodigiosin Natural products CCCCCC1C=C(C=C/2N=C(C=C2OC)c3ccc[nH]3)N=C1C HCOLPNRPCMFHOH-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention discloses a touch system of a washing machine and a false touch elimination method. In the invention, a touch switch replaces the traditional mechanical key, a detecting circuit is used for detecting the environmental factors of the environment in which the washing machine is located so as to update one inner environmental parameter; the threshold value of the breakover of the touch switch is adjusted, so that the touch switch does not fail due to the influence of the external environment; and in addition, judgments can be further made according to the touch state of the switch, as a result, the possibility of the false touch of the switch by people or objects except a user is eliminated.
Description
Technical field
The invention relates to washing machine, especially more relevant for the contactor control device of washing machine and the false touch method for removing of use thereof.
Background technology
Suitable clothing is the additive that can set off out the external presentation of people, and the replacing of clothes and regular washing are incomparably important especially, and also therefore, after washing machine was invented, development had just like become one of member necessary in each family so far.
Traditional washing machine is by the do washing setting of stroke of many mechanical types button, and can be after setting, by checking the laundry stroke that sets on the display screen.Yet the traditional mechanical button has the shortcoming in the use, and for example, such button is a mechanical structure, so when operation, can send the button sound slightly surely.Also therefore, the research staff in this technical field drops into the research and development of many funds, as TaiWan, China patent case M341887 subtract the tone keys structure, the sound that will be sent when hope will be operated this class mechanical type button drops to minimum.
Moreover such button is mechanical structure, so when often operating; All can cause element wearing and tearing slightly, so, be prone to cause the fault or the breaking-up of button through using for a long time; Even maybe be, and influence the generation and the transmission of input control signal because of the change of component structure.
Except above-mentioned shortcoming, when this class mechanical type button applies on the washing machine, be the problem that more notes water proofing property, avoid causing the short circuit of washing machine key-press because of infiltration.Therefore, the market of washing machine is the R&D costs that drop into certain degree recently, and attempt replaces the button of traditional mechanical formula with touch-controlled key, and then improves above-mentioned shortcoming.
But with the electronic installation that more often adopts at present touch-controlled key, for example differences such as mobile phone, computer screen or Automatic Teller Machine are the washing machine environment at place usually, are not suitable for realizing operation with touch-controlled key.Touch-controlled key mainly is after seeing through object and triggering contact panel, to obtain a potential difference, judges the position that is triggered according to this potential difference again, or the button that is triggered is for how.Yet the lay down location of washing machine is the exterior space that difference variation is bigger usually, or the heavier bathroom of moisture etc., moreover washing machine itself promptly is easy to generate problems such as water stain or ponding.And because of receiving the influence of numerous external environmental factors, realize the input of washing machine with touch-controlled key, not as above-mentioned these electronic installations come easily.
In view of this, the inventor concentrates on studies, and develops a kind of contactor control device that is applicable to washing machine according to this, and the employed false touch method for removing of this contactor control device.
Summary of the invention
Main purpose of the present invention is to provide a kind of contactor control device of washing machine and the false touch method for removing of use thereof, is to replace mechanical switch by the touch switch, and by the conductive water stain existence of induction, gets rid of the false touch that takes place because of ambient influnence.
For reaching above-mentioned purpose, the present invention provides a kind of contactor control device of washing machine, comprising:
One contact panel has many touch switches, and these many touch switches are the capacitance touching control switch, and when these many touch switches are triggered the capacitance that produced when surpassing certain threshold value, this triggering is regarded as effectively;
One circuit for detecting is coated on around these many touch switches, and is water stain in order to detect;
One touch-control data wire electrically connects this many touch switches, in order to transmit the signal that this many touch switch is exported;
Wherein, When being triggered, this circuit for detecting representes to have water stain being covered on these many touch switches; This contactor control device is promptly detected the environment at place again, with those water stain parts of being used as environmental factor, so as to resetting an ambient parameter; When wherein this ambient parameter is triggered for these many touch switches, the required threshold value of passing through of capacitance.
Aforesaid this contactor control device, wherein this contactor control device more comprises:
One function prompt panel is arranged on this contact panel, has multi-functional prompt text;
One support panel, be arranged under this contact panel and with this function prompt panel in correspondence with each other.
Aforesaid this contactor control device, wherein this contactor control device more comprises a display floater, is arranged under this support panel, and has:
Many display modules correspond to the position of this multi-functional prompt text;
One video data line is electrically connected to this many display modules;
Wherein, this video data line is to electrically connect with this touch-control data wire, receives the signal of this output, and on these many display modules, shows.
Aforesaid this contactor control device, wherein this support panel more comprises:
Show blocks more, correspond to the position of these many display modules, so as to the information of checking that on this function prompt panel these many display modules show;
Many touch controlled keys block corresponds to the position of these many touch switches and this multi-functional prompt text.
Aforesaid this contactor control device wherein more comprises a microprocessor, electrically connects with this touch-control data wire and this video data line, so as to receiving the electric signal of these many touch switches outputs, is resent to this display floater after being treated to a data signal.
Be the more complete above-mentioned purpose of reaching, the present invention provides a kind of contactor control device of washing machine, comprising:
One support panel is provided with block and the many touch controlled keys blocks of showing more;
One function prompt panel is arranged on this support panel, has multi-functional prompt text, corresponds to this positions that show block and this many touch controlled key block more;
One contact panel is arranged between this function prompt panel and this support panel, and this contact panel has:
Many touch switches, the position to should many touch controlled keys block is the capacitance touching control switch, when these many touch switches are triggered the capacitance that produced when surpassing certain threshold value, this triggering is regarded as effectively;
One circuit for detecting is coated on around these many touch switches, and is water stain in order to detect;
One touch-control data wire electrically connects this many touch switches, in order to transmit the signal that this many touch switch is exported;
One display floater is arranged under this support panel, and has:
Many display modules correspond to this positions that show block more;
One video data line electrically connects this many display modules,
This video data line and this touch-control data wire electrically connect, and receive the signal of this output, and on these many display modules, show;
Wherein, When being triggered, this circuit for detecting representes to have water stain being covered on these many touch switches; This contactor control device is promptly detected the environment at place again, with those water stain parts of being used as environmental factor, so as to resetting an ambient parameter; When wherein this ambient parameter is triggered for these many touch switches, the required threshold value of passing through of capacitance.
Aforesaid this contactor control device wherein more comprises a microprocessor, is and this touch-control data wire and this video data line electrically connect, and so as to receiving the electric signal of these many touch switches outputs, is resent to this display floater after being treated to a data signal.
The attainable against existing technologies effect of the present invention is, provides a kind of touch switch to replace mechanical switch, and prodigiosin is got rid of switch by the possibility of false touch, and after the false touch situation is excluded, guaranteed that washing machine still can normal operation through the sensing of circuit.
Describe the present invention below in conjunction with accompanying drawing and specific embodiment, but not as to qualification of the present invention.
Description of drawings
Fig. 1 is the washing machine schematic appearance with contactor control device of a preferred embodiment of the present invention;
Fig. 2 is the contact panel sketch map of a preferred embodiment of the present invention;
Fig. 3 is the contactor control device structural representation of a preferred embodiment of the present invention;
Fig. 4 is the flow chart of a preferred embodiment of the present invention;
Fig. 5 A is the triggering flow chart of a preferred embodiment of the present invention;
Fig. 5 B is the startup flow chart of a preferred embodiment of the present invention;
Fig. 5 C is the implementing procedure figure of a preferred embodiment of the present invention;
Fig. 6 A is the false touch sketch map of a preferred embodiment of the present invention;
Fig. 6 B is the false touch sketch map of another preferred embodiment of the present invention.
Wherein, Reference numeral
1 washing machine
20 contactor control devices, 21 touch controlled key blocks 22 show block
23 support panels, 24 function prompt panels, 25 display floaters
251 video data lines
30 contact panels, 31 touch switches, 32 circuit for detecting
33 touch-control data wires, 34 microprocessors
4 display modules
S40～S48, S50～S58, S60～S68, S70～S78 step
The specific embodiment
Now with regard to a preferred embodiment of the present invention, cooperate graphic, specify as after.
At first, see also Fig. 1, be the washing machine schematic appearance with contactor control device of a preferred embodiment of the present invention.As shown in the figure, contactor control device 20 of the present invention is to be arranged on the washing machine 1, and has many touch controlled keys block 21 and the block 22 that shows more.Mainly be to make the user touch this many touch controlled keys block 21, and show on the block 22, check that seeing through this many touch controlled keys block 21 imports a laundry stroke of setting in this so as to trigger switch.
As shown in Figure 2, be the contact panel sketch map of a preferred embodiment of the present invention.Be to have a contact panel 30 in this contactor control device 20, this panel 30 is made up of 31 of many touch switches, and the preferably is the touch switch 31 that can be many condenser types or resistance-type, but not as limit.Be convenient explanation below, will be with the capacitance touching control switch, and be called for short this switch 31 and be example, explain.
Around these many switches 31, be provided with many circuit for detecting 32, be can be in this many touch controlled keys block 21 of water stain covering, bring out conduction and when triggering this many switch 31, detect water stain existence, so as to preventing that this many switch 31 is by accidental triggering.And when this many switches 31 and when being triggered through user's normal use; Be to see through the many touch-controls data wire 33 that electrically connects with these many switches 31; With triggering the electric signal that the back is produced; Be sent to a microprocessor (with reference to 34 among the figure 3) and do further judgement and processing, export a treated data signal at last.Wherein, If when using above-mentioned capacitance touching control switch, reason is water stain brings out the capacitance that conduction produces, and is to come lowly than the capacitance that triggered as normal (for example using finger) is produced; And by water stain covering, then these many switches 31 can be continued to trigger as if this touch controlled key block 21.Moreover if these many switches 31 are covered by water stain, then humidity and temperature also can change to some extent, and then influence the capacitance of resulting from triggering.Therefore, this circuit for detecting can see through those characteristics, detects water stain existence.
Then seeing also Fig. 3, in this contact panel 30 shown in Fig. 2, is to be arranged between a support panel 23 and the function prompt panel 24.Be to be provided with this many touch controlled keys block 21 and should to show blocks 22 more on this support panel 23, on this function prompt panel 24 then in to should many touch controlled keys block 21 and these positions that show blocks 22 more on, be provided with the literal of prompt facility.For example, in position that should many touch controlled keys block 21 is provided with function prompt literal such as " unlatching/time-out ", " laundry ", " dehydration ", " air-dry "; And on to the position that should show block 22, be provided with function prompt literal such as " three minutes ", " five minutes ", " high water level ", " low water level " more.Wherein, this function prompt panel 24 is glassy layer or the acrylic layers that can be one deck tool electric conductivity, outside main these many switches 31 of order are not exposed to, can't directly touch, and is not triggered and lures electricity and conducting but also do not influence these many switches 31.But this is merely a preferable instantiation, cannot this exceed.
This contact panel 30 is to see through this many touch-controls data wire 33 and this microprocessor 34, is electrically connected to the many video datas line 251 on the display floater 25.Be can this microprocessor 34 be handled the data signal that the back is exported; Be sent in the many display modules 4 on this display floater 25 and show; Make the user can see through the blocks 22 that show that are somebody's turn to do on this support panel 23 more, check whether these many display modules 4 are attend institute's data presented correct.
As stated, be the architectural feature of this contactor control device 20 of the present invention, and below will be, the method for using of carrying out with this contactor control device 20 and the method for removing of false touch are described according to the flow chart shown in Fig. 4 and Fig. 5 A-Fig. 5 C.At first see also Fig. 4, be the flow chart of a preferred embodiment of the present invention.After this washing machine 1 start, the many switches 31 of this on this contactor control device 20 are that wait receives outside triggering and exports control signal.When one of these many switches 31 are triggered (step S40); Does this contactor control device 20 judge at first whether the action of this triggering successful? (step S42); If it is unsuccessful (for example by toy; Or the not good charged object of other electric conductivity by on this contactor control device 20 through and this many touch controlled keys block 21 of false touch), then do not export any control signal.
And, then then judge this switch that is triggered 31 if in this step S42, judge the trigger action success, triggered constantly? (step S44).If not, then export corresponding control signal (step S46) according to the function of this switch 31 that is triggered; And (for example brought out conduction by water stain covering if this switch 31 continues to trigger; Or have the good material of electric conductivity to be positioned on this touch controlled key block 21, and make this switch 31 continue conducting), promptly be regarded as unusual; Be in an ambient parameter (step S48) of this contactor control device 20 of adjustment; After getting rid of unusual situation, get back to this step S40, wait for trigger action next time.
And according to the explanation that the flow chart of Fig. 4 is done, be more then to consult Fig. 5 A, Fig. 5 B, Fig. 5 C, do more detailed description, technical characterictic of the present invention more clearly is described.
Fig. 5 A is the triggering flow chart of a preferred embodiment of the present invention.At first, this contactor control device 20 is the environment at this washing machine 1 place of detecting earlier, and so as to behind the default value of setting this ambient parameter (step S50), waits for outside trigger action.When the user touches this many touch controlled keys block 21; When causing these many switches 31 to be triggered (step S52); This contactor control device 20 is capacitances (step S54) of analyzing on this switch that is triggered 31, if this switch 31 is triggered by the higher object of an electric conductivity (for example finger), makes this capacitance surpass certain threshold value; For example during this ambient parameter, this time triggering promptly can be regarded as effectively.Whereby; In order to judge that this switch 31 is normally triggered? (step S56) judges not to be that (by the not good object of electric conductivity, for example clothes hanger or laundry basket touch for triggered as normal if analyze the back; Thereby capacitance is not enough), then this contactor control device 20 is not done any action; And, then then carry out the step among Fig. 5 B if judge that this switch 31 is to be triggered as normal.
Fig. 5 B is the startup flow chart of a preferred embodiment of the present invention.After executing this step S56 among above-mentioned Fig. 5 A, by triggered as normal, then proceed step S60: judge whether this washing machine 1 is open state if judge this switch 31.If this washing machine 1 is really started shooting, then then carry out the step (the following detailed description) among Fig. 5 C; And if the not start as yet of this washing machine 1, then this moment, this contactor control device 20 is only accepted the triggering of power switch.
After confirming that in this step S60 this washing machine 1 is not started shooting as yet; Be to judge then whether this switch that is triggered 31 is a power switch (step S62); If be not to be power switch, then the control signal sent of this switch that is triggered 31 will not be processed (step S68).And, when confirming this switch that is triggered 31, need then further to judge that this switch 31 is continued to trigger for power switch if after judging? (step S64), that is, whether this touch controlled key block 21 is not being touched puts.And, after this switch 31 is continued to trigger a period of time, send control signal, make this washing machine 1 carry out the action (step S66) of start.And at last after this step S66 or this step S68 finish, get back to this step S52 among above-mentioned Fig. 5 A, wait for triggering next time.Wherein, the purpose of this step S64 is for preventing this power switch on this contactor control device 20, making this washing machine 1 unexpected start because of suffering false touch.Thus, not only power consumption, and, possibly make the fault rate of this washing machine 1 improve if the false touch number of times is too much.Need to be continued to trigger the time more than two seconds or three seconds so can set this power switch, just can make this washing machine 1 start or shutdown, but this is merely a concrete instance, should be as limit.
Fig. 5 C then is the implementing procedure figure of a preferred embodiment of the present invention.After confirming that in this step S60 of ubi supra this washing machine 1 has really been started shooting, promptly carry out the step among Fig. 5 C.Do you at first, judge that this switch 31 is triggered constantly? (step S70) if this switch 31 is not triggered constantly, representes that this switch 31 is that the person of being used operates (only touching this touch controlled key block 21 decontrols once immediately) normally.Therefore,, and after carrying out, get back to this step S52, wait for next time and trigger the function (step S72) of normally carrying out these switch 31 representatives.And, represent that the triggering of this switch 31 is undesired if this switch 31 is triggered constantly, and be the state of judging this circuit for detecting 32 that further sees through, confirm it is to be the triggering under which kind of situation undesired (step S74).
The undesired triggering of this switch 31 mainly has two kinds of situations, is person shown in Fig. 6 A and Fig. 6 B.Above-mentioned this step S74 judges whether this circuit for detecting 32 is triggered; If not; Then expression is to be positioned over constantly on this many touch controlled keys block 21 by the media that can carry out triggered as normal (the for example palm among the figure) shown in Fig. 6 A, thereby triggers this many switches 31 lasting conductings.And because of this media is to trigger normally, be that the capacitance that produced during with triggered as normal is close so trigger capacitances that these many switches 31 backs are produced, so can not trigger this circuit for detecting 32, these circuit for detecting 32 judgements are not by water stain covering.Thus, the control signal that this switch 31 that is continued to trigger is sent will not be performed (step S76), and will then get back to this step S52, wait for triggering next time.
And, judge that this circuit for detecting 32 has been triggered if in this step S74, and represent that promptly this switch 31 triggers abnormal reason, be person shown in Fig. 6 B, be to be covered on this many touch controlled keys block 21 by water stain, thereby conduction and these many switches 31 of triggering.Thus, promptly need detect the environment at this washing machine 1 place again, and so as to resetting this ambient parameter (step S78).Mainly be with those water stain somes of being used as environmental factor, when being triggered so as to changing these many switches 31, required this threshold value passed through of capacitance.Thus, behind this step S78, those are water stain can not to trigger this many switches 31, and can not influence this switch 31 that the user triggers other function.And last, after this step S78 is finished, return this step S52, wait for the generation of trigger action next time, till this washing machine 1 shutdown.
Certainly; The present invention also can have other various embodiments; Under the situation that does not deviate from spirit of the present invention and essence thereof; Those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the present invention.
Claims (7)
1. the contactor control device of a washing machine is characterized in that, comprising:
One contact panel has many touch switches, and these many touch switches are the capacitance touching control switch, and when these many touch switches are triggered the capacitance that produced when surpassing certain threshold value, this triggering is regarded as effectively;
One circuit for detecting is coated on around these many touch switches, and is water stain in order to detect;
One touch-control data wire electrically connects this many touch switches, in order to transmit the signal that this many touch switch is exported;
Wherein, When being triggered, this circuit for detecting representes to have water stain being covered on these many touch switches; This contactor control device is promptly detected the environment at place again, with those water stain parts of being used as environmental factor, so as to resetting an ambient parameter; When wherein this ambient parameter is triggered for these many touch switches, the required threshold value of passing through of capacitance.
2. the contactor control device of washing machine according to claim 1 is characterized in that, more comprises:
One function prompt panel is arranged on this contact panel, has multi-functional prompt text;
One support panel, be arranged under this contact panel and with this function prompt panel in correspondence with each other.
3. the contactor control device of washing machine according to claim 2 is characterized in that, more comprises a display floater, is arranged under this support panel, and has:
Many display modules correspond to the position of this multi-functional prompt text;
One video data line is electrically connected to this many display modules;
Wherein this video data line is to electrically connect with this touch-control data wire, receives the signal of this output, and on these many display modules, shows.
4. the contactor control device of washing machine according to claim 3 is characterized in that, this support panel more comprises:
Show blocks more, correspond to the position of these many display modules, so as to the information of checking that on this function prompt panel these many display modules show;
Many touch controlled keys block corresponds to the position of these many touch switches and this multi-functional prompt text.
5. the contactor control device of washing machine according to claim 3; It is characterized in that, more comprise a microprocessor, electrically connect with this touch-control data wire and this video data line; So as to receiving the electric signal of this many touch switches output, be resent to this display floater after being treated to a data signal.
6. the contactor control device of a washing machine is characterized in that, comprising:
One support panel is provided with block and the many touch controlled keys blocks of showing more;
One function prompt panel is arranged on this support panel, has multi-functional prompt text, corresponds to this positions that show block and this many touch controlled key block more;
One contact panel is arranged between this function prompt panel and this support panel, and has:
Many touch switches, the position to should many touch controlled keys block is the capacitance touching control switch, when these many touch switches are triggered the capacitance that produced when surpassing certain threshold value, this triggering is regarded as effectively;
One circuit for detecting is coated on around these many touch switches, and is water stain in order to detect;
One touch-control data wire electrically connects this many touch switches, in order to transmit the signal that this many touch switch is exported;
One display floater is arranged under this support panel, and has:
Many display modules correspond to this positions that show block more;
One video data line electrically connects this many display modules, and this video data line and this touch-control data wire electrically connect, and receive the signal of this output, and on these many display modules, show;
Wherein, When being triggered, this circuit for detecting representes to have water stain being covered on these many touch switches; This contactor control device is promptly detected the environment at place again, with those water stain parts of being used as environmental factor, so as to resetting an ambient parameter; When wherein this ambient parameter is triggered for these many touch switches, the required threshold value of passing through of capacitance.
7. the contactor control device of washing machine according to claim 6; It is characterized in that, more comprise a microprocessor, is to electrically connect with this touch-control data wire and this video data line; So as to receiving the electric signal of this many touch switches output, be resent to this display floater after being treated to a data signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101647520A CN101962904B (en) | 2009-07-22 | 2009-07-22 | Touch system of washing machine and false touch elimination method used thereby |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2009101647520A CN101962904B (en) | 2009-07-22 | 2009-07-22 | Touch system of washing machine and false touch elimination method used thereby |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210034568.6A Division CN102535108B (en) | 2009-07-22 | 2009-07-22 | False touch exclusion method for touch control device of washing machine |
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| CN101962904A CN101962904A (en) | 2011-02-02 |
| CN101962904B true CN101962904B (en) | 2012-07-18 |
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| CN110440438A (en) * | 2018-05-03 | 2019-11-12 | 创科（澳门离岸商业服务）有限公司 | Air heater |
| CN111026296A (en) * | 2018-10-10 | 2020-04-17 | 佛山市顺德区美的洗涤电器制造有限公司 | Response control method and device for touch key and electric appliance |
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| US4372054A (en) * | 1981-02-02 | 1983-02-08 | Emhart Industries, Inc. | Method and means for programming the operation of an apparatus |
| CN201035549Y (en) * | 2007-02-01 | 2008-03-12 | 登康科技有限公司 | Touch control type operation panel for water purifying apparatus |
| CN201144345Y (en) * | 2007-12-15 | 2008-11-05 | 龚银其 | Touch switch of washing machine |
| CN101419522A (en) * | 2008-11-28 | 2009-04-29 | 深圳市汇顶科技有限公司 | Capacitance touch detection device and detection method thereof |
| CN101477152A (en) * | 2008-12-24 | 2009-07-08 | 北京希格玛和芯微电子技术有限公司 | Capacitance detection apparatus and method |
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2009
- 2009-07-22 CN CN2009101647520A patent/CN101962904B/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4372054A (en) * | 1981-02-02 | 1983-02-08 | Emhart Industries, Inc. | Method and means for programming the operation of an apparatus |
| CN201035549Y (en) * | 2007-02-01 | 2008-03-12 | 登康科技有限公司 | Touch control type operation panel for water purifying apparatus |
| CN201144345Y (en) * | 2007-12-15 | 2008-11-05 | 龚银其 | Touch switch of washing machine |
| CN101419522A (en) * | 2008-11-28 | 2009-04-29 | 深圳市汇顶科技有限公司 | Capacitance touch detection device and detection method thereof |
| CN101477152A (en) * | 2008-12-24 | 2009-07-08 | 北京希格玛和芯微电子技术有限公司 | Capacitance detection apparatus and method |
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