CN101751767A - Intelligent control system of home appliances - Google Patents
Intelligent control system of home appliances Download PDFInfo
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- CN101751767A CN101751767A CN200810185736A CN200810185736A CN101751767A CN 101751767 A CN101751767 A CN 101751767A CN 200810185736 A CN200810185736 A CN 200810185736A CN 200810185736 A CN200810185736 A CN 200810185736A CN 101751767 A CN101751767 A CN 101751767A
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Abstract
An intelligent control system of home appliances comprises a remote control device and a base station. The remote control device comprises a first microprocessor, a first display unit, a frequency identification key, a first control code learning key, a control signal radiation key group, a storage unit, a frequency identification unit, a first control code learning unit, a second display unit, a third display unit and a first transmitter unit. The base station comprises a first receiving unit, a second micro-processing unit, a third micro-processing unit, an oscillating unit, an amplifying unit and a second transmitter unit. After the remote control device identifies and learns the carrier frequency and the first control code of each brand or type of remote control and the carrier frequency data and the first control code and the second control code are transmitted to the base station for receiving and processing, the base station controls the action of each home appliance.
Description
Technical field
The present invention relates to a kind of telechirics, relate in particular to a kind of telechirics with the wireless remote control household appliances.
Background technology
All there are many telepilots in most families, remove in use also go up the inconvenience because of battery use too much cause ball environment pollution post or increase the weight of day by day as environmental protection manpower and the material resources that must pay.Use technology of the present invention can replace the infrared remote controller of all different brands and type fully, therefore also can many telepilots really fully integrated be a telepilot.
The existing database mode of the many employings of so-called on the market at present infrared ray universal remote controller, its principle of work is after the original control code of the infrared remote controller of how tame brand and type is collected, deposit in it in storer in advance, the user need table look-up earlier before using, find the infrared remote controller that brand listed and type are arranged in the table, again the numbering of correspondence is imported above-mentioned infrared ray universal remote controller afterwards.The product of this kind prior art, major defect is the original control code that can't take in the infrared remote controller of all brands and type fully, because existing infrared remote controller brand and type is numerous and, the infrared remote controller of new brand and type is also released successively, adds the original control code of the infrared remote controller of the new brand that may release future and type and can't learn in advance.
Another kind of prior art is the original control code of the infrared remote controller of how tame brand of Direct Learning and type, though this does not have the shortcoming of above-mentioned maintenance data storehouse mode, also has shortcoming to exist.Because the original control code of infrared remote controller is all used a carrier frequency earlier before transmitting with infrared ray, this carrier frequency also has multiple, and common have 30KHz, 32KHz, 33KHz, 36KHz, 38KHz, 40KHz, 56KHz, a 455KHz.Usually the prior art in the original control code of the infrared remote controller of how tame brand of study and type only can provide aforesaid wherein a kind of carrier frequency, so also can't replace the infrared remote controller of all brands and type fully.And the user wants that the carrier frequency of the infrared remote controller that replaces can't learn in advance.
Summary of the invention
Fundamental purpose of the present invention is to be to provide the single of first kind of control code (original control code) of a kind of identification that carrier frequency is provided simultaneously and infrared remote controller or the function of secondary study.The infrared remote controller that therefore can replace all different brands and type fully, also can many telepilots really fully integrated be a telepilot.Except use convenient, more can reduce the battery usage quantity and help environmental protection.
For reaching above-mentioned purpose, the invention provides a kind of intelligent control system of home appliances, have the telechiric device of discerning and learning various household appliances telepilots, comprising:
One first microprocessing unit is this telechiric device arithmetic core, and produces one second kind of control code output;
One frequency identification button with this first microprocessing unit electrically connect, exports in this first microprocessing unit to produce a frequency identification control signal;
One frequency identification unit with this first microprocessing unit electrically connect, is controlled by this first microprocessing unit, to discern the carrier frequency of various household appliances telepilots;
One first kind of control code study button with this first microprocessing unit electrically connect, exports in this first microprocessing unit to produce a learning control signal;
One first kind of control code unit with this first microprocessing unit electrically connect, is controlled by this first microprocessing unit, to learn first kind of control code of each household appliances telepilot;
One control signal emission button group with this first microprocessing unit electrically connect, exports this first microprocessing unit to produce the man electric signal of a control; And,
One first transmitter unit is with this first microprocessing unit electrically connect, in order to launch carrier-frequency data, first kind of control code and second kind of control code of this first microprocessing unit output.
For reaching above-mentioned purpose, the present invention also provides a kind of intelligent control system of home appliances, transmits in order to the reception telechiric device and controls the base station of various household appliances, and this base station comprises:
One receiving element is to receive this carrier-frequency data, first kind of control code and second kind of control code that this first transmitter unit is launched;
One second microprocessing unit, with this receiving element electrically connect, receiving this carrier-frequency data, first kind of control code and second kind of control code that this receiving element is exported, and judge whether this second kind of control code correctly reaches carrier frequency and whether promptly be enough to produce by the 3rd microprocessing unit;
One the 3rd microprocessing unit is with this second microprocessing unit electrically connect, to receive carrier-frequency data, first kind of control code that this second microprocessing unit is exported, to produce different carrier frequency output;
One amplifying unit is with the 3rd microprocessing unit electrically connect, in order to amplify the carrier frequency that the 3rd microprocessing unit is exported;
One oscillating unit, this oscillating unit and this second microprocessing unit and amplifying unit electrically connect, judge that at this second microprocessing unit reception carrier frequency is not when promptly being enough to produce by the 3rd microprocessing unit, control this oscillating unit by second microprocessor and produce higher carrier frequency and be sent in the amplifying unit;
One second transmitter unit is with this amplifying unit electrically connect, in order to launch this carrier frequency to various household appliances.Describe the present invention below in conjunction with the drawings and specific embodiments, but not as a limitation of the invention.
Description of drawings
Fig. 1 is the telechiric device circuit box synoptic diagram of the first embodiment of the present invention;
Fig. 2 is the base station circuit box synoptic diagram of the first embodiment of the present invention;
Fig. 3 a～Fig. 3 f is the circuit-line synoptic diagram of Fig. 1, Fig. 2;
Fig. 4 is a control flow synoptic diagram of the present invention;
Fig. 5 is the telechiric device of the second embodiment of the present invention and the integrated circuit block schematic diagram of base station.
Wherein, Reference numeral
First kind of control code study button 4
Control signal emission button group 5
First kind of control code unit 8
The 3rd display unit 10
Receiving element 21
The 3rd microprocessing unit 23
Oscillating unit 24
Amplifying unit 25
Embodiment
Now relevant technical characterictic of the present invention and detailed description, existing conjunction with figs. is described as follows:
See also Fig. 1, Fig. 2, be telechiric device and the circuit box synoptic diagram of base station and Fig. 1, Fig. 2 circuit-line synoptic diagram of Fig. 3 a～Fig. 3 f of the first embodiment of the present invention.As shown in the figure: intelligent control system of home appliances of the present invention comprises: a telechiric device 100 and a base station 200.
This telechiric device 100 includes: a first microprocessor 1, one first display unit 2, a frequency identification button 3, one first kind of control code study button 4, control signal are launched button group 5, a storage element 6, a frequency identification unit 7, one first kind of control code unit 8, one second display unit 9, one the 3rd display unit 10 and one first transmitter unit 11.
Behind this first microprocessing unit 1 and each unit and each button electrically connect, be whole telechiric device 100 arithmetic cores.Press back output one signal to the first microprocessing unit 1 at this frequency identification button 3, this first microprocessing unit 1 starts second display unit 9 and frequency identification unit 7 simultaneously, the remote control system of making device 100 incoming carrier frequency recognition functions, discern the carrier frequency of the telepilot (not shown) of other brands or type with this frequency identification unit 7, and after the carrier frequency of being discerned reached this first microprocessing unit 1, by this first microprocessing unit, 1 control down, be in this storage element 6 based on storer with storage, this first display unit 2 will show the carrier frequency of identification simultaneously, and this telechiric device 100 enters battery saving mode after identification.In this was graphic, this second display unit was a light emitting diode; This first display unit 2 is seven-segment display or LCD.
Press back output one signal to the first microprocessing unit 1 at first kind of control code button 4, this first microprocessing unit 1 starts the 3rd display unit 10 and first kind of control code unit 8 simultaneously, the remote control system of making device 100 enters first kind of control code function, learn first kind of control code (original control code) of the telepilot (not shown) of other brands or type with this first kind of control code unit 8, and after first kind of control code being learnt reached this first microprocessing unit 1, by this first microprocessing unit, 1 control down, to be stored in this storage element 6, this remote control system device 100 enters battery saving mode after study.In this figure, the 3rd display unit is a light emitting diode.
This control signal emission button group 5 is made up of a plurality of button.In those button groups, include digital keys, literal button, volume button, channel selection button at least, set button, directories button, direction control button, display button, broadcast button, pause button, stop to play the switch key of button and the different household appliances of switching controls etc.After aforesaid arbitrary button is pressed, promptly export one and control signal in first microprocessing unit 1 and to handle, can launch the data that are loaded with carrier frequency and the signal of first kind of control code and second kind of control code through one first transmitter unit 11 again.This second kind of control code can be the numerical coding (as the ID sign indicating number) of definition voluntarily, received by another base station to avoid control signal.
This telechiric device 100 have identification or study air conditioner telepilot the time, when air conditioner in use, this first display unit 2 can show the air-conditioning design temperature.
This base station 200 includes: a receiving element 21, one second microprocessing unit 22, one the 3rd microprocessing unit 23, an oscillating unit 24, an amplifying unit 25 and one second transmitter unit 26.
Receive the signal of carrier-frequency data, first kind of control code and second kind of control code of being launched by telechiric device 100 at this receiving element 21, and with these data and the sign indicating number be sent in this second microprocessing unit 22, earlier judge whether second kind of control code be correct by this second microprocessing unit 22, if it is correct, this second microprocessing unit, 22 reception carrier frequency data and first kind of control code, and be stored in the built-in storer of second microprocessing unit 22.
Simultaneously, after second microprocessing unit 22 judges that second kind of control code be whether correct, whether the oscillation frequency of also judging carrier wave promptly is enough to produce by the 3rd microprocessing unit, if the carrier oscillation frequency promptly is enough to produce by the 3rd microprocessing unit, this second microprocessor 22 reaches carrier-frequency data and first kind of control code to the 3rd microprocessing unit 23, make the 3rd microprocessing unit 23 (for example produce the output of proper carrier wave frequency, 30KHz, 32KHz, 33KHz, 36KHz, 38KHz, 40KHz, 56KHz), again the carrier frequency that is produced is sent in the amplifying unit 25, after amplifying unit 25 amplification carrier frequencies, transmit a signal on the electric equipment products by second transmitter unit 26 again, be that these electric equipment products of may command (for example, are opened TV, channel selection or play audio-visual).
Judge that at second microprocessing unit 22 carrier frequency that is received not is when promptly being enough to produce by the 3rd microprocessing unit, by second microprocessor, 22 output signals, making this oscillating unit 24 produce higher carrier frequency (for example 455KHz) is sent in the amplifying unit 25, after amplifying unit 25 amplification carrier frequencies, transmit a signal on the electric equipment products by second transmitter unit 26 again, i.e. these electric equipment products of may command.
See also Fig. 4, be control flow synoptic diagram of the present invention.As shown in the figure: when telechiric device 100 started, this device 100 was introduced into battery saving mode, as step s100.
Whether buttons such as step s102 determination frequency identification again, first kind of control code study or control signal emission are pressed, if the three is not pressed, then enter among the step s100.If determination frequency identification button is pressed, enter the carrier frequency recognition mode of step s104, enter the carrier frequency identification that step s106 carries out the telepilot of each board or each type again, then be back among the step s100 behind the end of identification again.
Judge that in step s102 first kind of control code study button is pressed, enter first kind of control code mode of learning of step s108, enter step s110 again and carry out first kind of control code study of the telepilot of each board or each type, study then is back among the step s100 after finishing again.
Arbitrary button of judging control signal emission button group in step s102 is pressed, as the signal that enters transmission carrier frequency among the step s112, first kind of control code and second kind of control code is to base station.
Behind base station reception carrier frequency data, first kind of control code and second kind of signal such as control code, enter step s114 and judge whether second kind of control code be correct, if incorrect, rejudging.If correct, enter step s116 and judge that carrier frequency is not when promptly being enough to produce by the 3rd microprocessing unit, enter step s118 and produce carrier frequency output by the auxilliary unit that swings, enter step s120 again, the control household appliances start.If promptly be enough to produce by the 3rd microprocessing unit if judge carrier frequency, then enter step s122 and produce carrier frequency output by the 3rd microprocessing unit, enter step s120 again, the control household appliances start.
See also Fig. 5, be the telechiric device of the second embodiment of the present invention and the integrated circuit block schematic diagram of base station.As shown in the figure: it is with second microprocessing unit, the 22 direct electrically connects of first microprocessing unit 1 of this telechiric device 100 and this base station 200 together that present embodiment discloses, arbitrary button in this control signal emission button group 5 is pressed, after first microprocessing unit 1 is handled, directly carrier frequency and first kind of control code of control are passed to second microprocessing unit 22, to save the design of this first transmitter unit 11 and this receiving element 21, make whole appliance control system summary more.
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 (23)
1. intelligent control system of home appliances has an identification and learns the telechiric device of various household appliances telepilots, it is characterized in that this telechiric device comprises:
One first microprocessing unit is this telechiric device arithmetic core, and produces one second kind of control code output;
One frequency identification button with this first microprocessing unit electrically connect, exports in this first microprocessing unit to produce a frequency identification control signal;
One frequency identification unit with this first microprocessing unit electrically connect, is controlled by this first microprocessing unit, to discern the carrier frequency of various household appliances telepilots;
One first kind of control code study button with this first microprocessing unit electrically connect, exports in this first microprocessing unit to produce a learning control signal;
One first kind of control code unit with this first microprocessing unit electrically connect, is controlled by this first microprocessing unit, to learn one first kind of control code of each household appliances telepilot;
One control signal emission button group with this first microprocessing unit electrically connect, exports this first microprocessing unit to produce the man electric signal of a control; And,
One first transmitter unit is with this first microprocessing unit electrically connect, in order to launch this carrier-frequency data, first kind of control code and second kind of control code of this first microprocessing unit output.
2. intelligent control system of home appliances according to claim 1 is characterized in that, this carrier frequency is 30KHz, 32KHz, 33KHz, 36KHz, 38KHz, 40KHz, 56KHz, 455KHz.
3. intelligent control system of home appliances according to claim 1 is characterized in that, this first kind of control code is original control code.
4. intelligent control system of home appliances according to claim 1 is characterized in that, this second kind of control code is the ID sign indicating number.
5. intelligent control system of home appliances according to claim 1 is characterized in that, this telechiric device also includes one first display unit, and this first display unit and this first microprocessing unit electrically connect are in order to show this carrier frequency and air-conditioner temperature.
6. intelligent control system of home appliances according to claim 1, it is characterized in that, this telechiric device also includes one second display unit, and this second display unit and this first microprocessing unit electrically connect enter this carrier frequency status of identification in order to show this telechiric device.
7. intelligent control system of home appliances according to claim 1, it is characterized in that, this telechiric device also includes one the 3rd display unit, and this second display unit and this first microprocessing unit electrically connect enter this first kind of control code state of study in order to show this telechiric device.
8. intelligent control system of home appliances according to claim 1 is characterized in that this telechiric device also includes a storage element, and this storage element and this first microprocessing unit electrically connect are to store this carrier-frequency data and first kind of control code.
9. intelligent control system of home appliances according to claim 1, it is characterized in that, this control signal emission button group, formed by a plurality of button, include digital keys, literal button, volume button, channel selection button in those button groups at least, set button, directories button, direction control button, display button, broadcast button, pause button, stop to play the switch key of button and the different household appliances of switching controls.
10. intelligent control system of home appliances transmits and controls the base station of various household appliances in order to receive claim 1, it is characterized in that this base station comprises:
One receiving element is to receive this carrier-frequency data, first kind of control code and second kind of control code that described this first transmitter unit of claim 1 is launched;
One second microprocessing unit, with this receiving element electrically connect, receiving carrier-frequency data, first kind of control code and second kind of control code that this receiving element is exported, and judge whether second kind of control code correctly reaches the carrier frequency vibration and whether promptly be enough to produce by the 3rd microprocessing unit;
One the 3rd microprocessing unit is with this second microprocessing unit electrically connect, to receive carrier-frequency data, first kind of control code that second microprocessing unit is exported, to produce different carrier frequency output;
One amplifying unit is with the 3rd microprocessing unit electrically connect, in order to amplify the carrier frequency that the 3rd microprocessing unit is exported;
One second transmitter unit is with this amplifying unit electrically connect, in order to launch this carrier frequency to various household appliances.
11. intelligent control system of home appliances according to claim 10 is characterized in that, this carrier frequency is 30KHz, 32KHz, 33KHz, 36KHz, 38KHz, 40KHz, 56KHz, 455KHz.
12. intelligent control system of home appliances according to claim 10 is characterized in that, this first kind of control code is original control code.
13. intelligent control system of home appliances according to claim 10 is characterized in that, this second kind of control code is the ID sign indicating number.
14. intelligent control system of home appliances according to claim 10, it is characterized in that, this base station also includes an oscillating unit, this oscillating unit and this second microprocessing unit and amplifying unit electrically connect, judge that at this second microprocessing unit the vibration of reception carrier frequency is not when promptly being enough to produce by the 3rd microprocessing unit, control this oscillating unit by second microprocessor and produce higher carrier frequency and be sent in the amplifying unit.
15. an intelligent control system of home appliances has an identification and learns various household appliances telepilots and control the telechiric device of various household appliances, it is characterized in that this telechiric device comprises:
One first microprocessing unit is this telechiric device arithmetic core;
One frequency identification button with this first microprocessing unit electrically connect, exports in this first microprocessing unit to produce a frequency identification control signal;
One frequency identification unit with this first microprocessing unit electrically connect, is controlled by this first microprocessing unit, to discern the carrier frequency of each household appliances telepilot;
One first kind of control code study button with this first microprocessing unit electrically connect, exports in this first microprocessing unit to produce a learning control signal;
One first kind of control code unit with this first microprocessing unit electrically connect, is controlled by this first microprocessing unit, to learn this first kind of control code of each household appliances telepilot; And
One control signal emission button group with this first microprocessing unit electrically connect, exports this first microprocessing unit to produce the man electric signal of a control;
One second microprocessing unit with this first microprocessing unit electrically connect, receiving this carrier-frequency data, first kind of control code that this first microprocessing unit is exported, and judges whether the carrier frequency vibration promptly is enough to produce by the 3rd microprocessing unit;
One the 3rd microprocessing unit is with this second microprocessing unit electrically connect, to receive carrier-frequency data, first kind of control code that this second microprocessing unit is exported, to produce different carrier frequency output;
One amplifying unit is with the 3rd microprocessing unit electrically connect, in order to amplify the carrier frequency that the 3rd microprocessing unit is exported;
One second transmitter unit is with this amplifying unit electrically connect, in order to launch this carrier frequency to various household appliances.
16. intelligent control system of home appliances according to claim 15 is characterized in that, this carrier frequency is 30KHz, 32KHz, 33KHz, 36KHz, 38KHz, 40KHz, 56KHz, 455KHzz.
17. intelligent control system of home appliances according to claim 15 is characterized in that, this first kind of control code is original control code.
18. intelligent control system of home appliances according to claim 15 is characterized in that, this telechiric device also includes one first display unit, and this first display unit and this first microprocessing unit electrically connect are in order to show this carrier frequency and air-conditioner temperature.
19. intelligent control system of home appliances according to claim 15, it is characterized in that, this telechiric device also includes one second display unit, and this second display unit and this first microprocessing unit electrically connect enter this carrier frequency status of identification in order to show this telechiric device.
20. intelligent control system of home appliances according to claim 15, it is characterized in that, this telechiric device also includes one the 3rd display unit, and this second display unit and this first microprocessing unit electrically connect enter this first kind of control code state of study in order to show this telechiric device.
21. intelligent control system of home appliances according to claim 15 is characterized in that, this telechiric device also includes a storage element, and this storage element and this first microprocessing unit electrically connect are to store this carrier-frequency data and first kind of control code.
22. intelligent control system of home appliances according to claim 15, it is characterized in that, this control signal emission button group, formed by a plurality of button, include digital keys, literal button, volume button, channel selection button in those button groups at least, set button, directories button, direction control button, display button, broadcast button, pause button, stop to play the switch key of button and the different household appliances of switching controls.
23. intelligent control system of home appliances according to claim 15, it is characterized in that, this telechiric device also includes an oscillating unit, this oscillating unit and this second microprocessing unit and amplifying unit electrically connect, judge that at this second microprocessing unit the carrier frequency that receives not is promptly to be enough to produce by the 3rd microprocessing unit, control the higher carrier frequency of this oscillating unit generation by second microprocessor and be sent in the amplifying unit.
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| CN200810185736A CN101751767A (en) | 2008-12-08 | 2008-12-08 | Intelligent control system of home appliances |
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| CN200810185736A CN101751767A (en) | 2008-12-08 | 2008-12-08 | Intelligent control system of home appliances |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102810241A (en) * | 2011-06-02 | 2012-12-05 | 林兆力 | Method and device for changing frequency of carrier waves transmitted by wireless remote controller via local keys |
| CN103186976A (en) * | 2011-12-29 | 2013-07-03 | 瑞轩科技股份有限公司 | Control method for grouping device and grouping control system |
| CN103514923A (en) * | 2012-08-31 | 2014-01-15 | Tcl集团股份有限公司 | Method and system achieving multi-equipment volume control through volume control button |
| CN103824440A (en) * | 2012-11-16 | 2014-05-28 | 华为终端有限公司 | Key value information processing method for remote controller and remote controller |
| WO2014079358A1 (en) * | 2012-11-20 | 2014-05-30 | 华为终端有限公司 | Control device, remote control, and key value information processing method for remote control |
| CN105974815A (en) * | 2016-07-19 | 2016-09-28 | 苏州市景荣科技有限公司 | Smart glasses used for smart home |
| CN109791728A (en) * | 2016-11-09 | 2019-05-21 | 伊莱克斯家用电器股份公司 | Method for exchanging information between household electrical appliance and mobile device |
| CN110199330A (en) * | 2017-02-06 | 2019-09-03 | 金泰克斯公司 | Selectivity transmits order associated with single transceiver channel |
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2008
- 2008-12-08 CN CN200810185736A patent/CN101751767A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102810241A (en) * | 2011-06-02 | 2012-12-05 | 林兆力 | Method and device for changing frequency of carrier waves transmitted by wireless remote controller via local keys |
| CN103186976A (en) * | 2011-12-29 | 2013-07-03 | 瑞轩科技股份有限公司 | Control method for grouping device and grouping control system |
| CN103514923A (en) * | 2012-08-31 | 2014-01-15 | Tcl集团股份有限公司 | Method and system achieving multi-equipment volume control through volume control button |
| CN103824440A (en) * | 2012-11-16 | 2014-05-28 | 华为终端有限公司 | Key value information processing method for remote controller and remote controller |
| WO2014079358A1 (en) * | 2012-11-20 | 2014-05-30 | 华为终端有限公司 | Control device, remote control, and key value information processing method for remote control |
| US9754481B2 (en) | 2012-11-20 | 2017-09-05 | Huawei Device Co., Ltd. | Method for processing key value information of remote control, control device and remote control |
| US10181262B2 (en) | 2012-11-20 | 2019-01-15 | Huawei Device Co., Ltd. | Method for processing key value information of remote control, control device and remote control |
| CN105974815A (en) * | 2016-07-19 | 2016-09-28 | 苏州市景荣科技有限公司 | Smart glasses used for smart home |
| CN109791728A (en) * | 2016-11-09 | 2019-05-21 | 伊莱克斯家用电器股份公司 | Method for exchanging information between household electrical appliance and mobile device |
| CN109791728B (en) * | 2016-11-09 | 2021-12-14 | 伊莱克斯家用电器股份公司 | Method for exchanging information between a household appliance and a mobile device |
| CN110199330A (en) * | 2017-02-06 | 2019-09-03 | 金泰克斯公司 | Selectivity transmits order associated with single transceiver channel |
| CN110199330B (en) * | 2017-02-06 | 2021-07-23 | 金泰克斯公司 | Selective transmission of commands associated with a single transceiver channel |
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Open date: 20100623 |