CN101998078A - Universal remote controller and method for setting frequency thereof - Google Patents
Universal remote controller and method for setting frequency thereof Download PDFInfo
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- CN101998078A CN101998078A CN2009101704307A CN200910170430A CN101998078A CN 101998078 A CN101998078 A CN 101998078A CN 2009101704307 A CN2009101704307 A CN 2009101704307A CN 200910170430 A CN200910170430 A CN 200910170430A CN 101998078 A CN101998078 A CN 101998078A
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Abstract
The invention discloses a universal remote controller and a method for setting frequency thereof. The universal remote controller is provided with a photosensitive element arranged on a main body of the universal remote controller and used for sensing the brightness change of a screen of a television. When a user sets the universal remote controller to enter a set mode, the universal remote controller automatically switches the frequency of a remote control signal in turn and detects whether the brightness of the screen is changed; and when the brightness of the screen is changed, the currently used frequency is recorded so as to set the frequency of the universal remote controller.
Description
Technical field
The invention relates to a kind of universal remote controller, and particularly relevant for a kind of universal remote controller and its frequency setting method with automatic frequency set-up function.
Background technology
The progressive of science and technology can the mankind bring better life easily, and many electrical home appliances can both utilize remote controller to control at present, for example box etc. on TV, air conditioner, sound equipment and the machine.When electrical home appliances dispatched from the factory, the remote controller of being arranged in pairs or groups all was corresponding outfit, and can't share with miscellaneous equipment, yet because when using at home, remote controller often damages accidentally, loses.For consumers, the maintenance of remote controller and inconvenient and send former factory back to and may need to spend more expense.Best solution may be to buy new remote controller, yet the brand of electrical home appliances is numerous, model is numerous and diverse, and for ordinary consumer, the remote controller that correctly choose former factory has suitable degree of difficulty.Therefore, for addressing the above problem, " universal remote controller " just arises at the historic moment.
Universal remote controller can in have each tame label signal encoding reach hundreds of groups above with the label that meets various electrical equipment, kind, specification etc.Before the operation universal remote controller, the user must set frequency of operation and its signal encoding mode of universal remote controller earlier.The user can directly import the household electrical appliances model that will control or switch different frequencies one by one to seek corresponding frequency, and still such setting means is lost time very much and be inconvenient.
Have universal remote controller to support the function of automatic code finding at present, different frequencies can automatically switch.The user must press setting key to set frequency of utilization in real time when finding that electrical home appliances responds.Yet the frequency switch speed of universal remote controller is very fast, and the user may need multiple setting program just can find correct frequency.And such setting means still needs the user to determine in the mode of range estimation whether the frequency of being switched is correct, and inconvenient.
Summary of the invention
Because this invention provides a kind of universal remote controller, this universal remote controller has photo-sensitive cell, can the direct sensing screen intensity change next automatic search frequency when setting operating frequency, does not need user's manual operation, has the function of automatically seeking sign indicating number.
Hold above-mentionedly, the invention provides a kind of universal remote controller, be applicable to remote control one TV, universal remote controller comprises a processing unit, a photo-sensitive cell, an input unit, a memory cell and an infrared transmitter.Photo-sensitive cell is coupled to processing unit and is arranged on the main body of universal remote controller, in order to a screen intensity of sensing TV.Input unit is coupled to this processing unit; Memory cell is coupled to processing unit and stores many group signal encodings, and wherein signal encoding corresponds respectively to a plurality of frequencies.Infrared transmitter is coupled to processing unit, in order to transmitting a remote signal to TV, remote signal then corresponding to frequency one of them.
Wherein, when universal remote controller enters a setting pattern, universal remote controller switches the power supply of the pairing frequency of this remote signal with unlatching or closing television according to one first order, and via the variation of photosensitive elements sense screen intensity, when screen intensity changed, the present pairing frequency of record remote signal was a first frequency.
In an embodiment of the present invention, wherein when universal remote controller obtains first frequency, universal remote controller is initial frequency with the first frequency and switches the pairing frequency of remote signal opening or the power supply of closing television according to one second order, and via the variation of photosensitive elements sense screen intensity; When screen intensity changed once again, the present pairing frequency of record remote signal was a second frequency, and wherein first order is reverse with second order.
In an embodiment of the present invention, wherein universal remote controller is an initial frequency with second frequency and first frequency respectively, and it is identical up to first frequency that is write down and second frequency to revise pairing first frequency and second frequency to repeat to switch the program of the pairing frequency of remote signal according to first order and second order then.
Wherein when first frequency was identical with second frequency, universal remote controller was set the frequency of this control signal with first frequency.
In an embodiment of the present invention, wherein when universal remote controller according to one first order when switching the pairing frequency of remote signal, switch the pairing frequency of remote signal at interval according to a very first time; When universal remote controller switched the pairing frequency of remote signal according to one second order, according to the pairing frequency of one second time interval switching remote signal, wherein second interval greater than very first time interval.
In an embodiment of the present invention, wherein universal remote controller, changes as if screen intensity to open or to close this TV power according to first frequency emission remote signal, and then universal remote controller is set the frequency of remote signal with first frequency.In addition, above-mentioned photo-sensitive cell is a photo resistance (photoresistance).
From another viewpoint, the present invention proposes a kind of frequency setting method of universal remote controller, and universal remote controller system is used for remote control one TV, and the frequency setting method comprises the following steps: at first, one photo-sensitive cell is set, with a screen intensity of sensing TV on universal remote controller; Then, detect universal remote controller and whether enter a setting pattern; When universal remote controller entered the setting pattern, the pairing frequency of a remote signal of switching universal remote controller according to one first order was to open or to close this TV power; Variation via the photosensitive elements sense screen intensity; And when screen intensity changed, the present pairing frequency of record remote signal was a first frequency.
Then, be initial frequency with the first frequency and switch the pairing frequency of remote signal to open or the power supply of closing television that wherein this first order and this second order are oppositely according to one second order; Variation via the photosensitive elements sense screen intensity; And when screen intensity changed, the present pairing frequency of record remote signal was a second frequency.Then, be initial frequency with second frequency and first frequency respectively, and the step that repetition is switched the pairing frequency of remote signal according to first order and second order is identical up to first frequency that is write down and second frequency to revise pairing first frequency and second frequency.Then, set the frequency of remote signal with the first frequency that is write down.All the other details about the frequency setting method have been specified in the explanation of above-mentioned universal remote controller, and the present technique field has knows that usually the knowledgeable via exposure of the present invention, should know by inference easily.Do not add at this and to give unnecessary details.
Based on above-mentioned, the present invention is newly-increased photo-sensitive cell in universal remote controller, utilizes photo-sensitive cell to replace human eye, judges whether screen intensity changes to reach the effect of automatic setting frequency.The user only needs universal remote controller is positioned over the screen of TV set front, and open frequency is set pattern then, and universal remote controller just can be searched corresponding operating frequency and signal encoding automatically, finishes setting then automatically.
For above-mentioned feature and advantage of the present invention can be become apparent, embodiment cited below particularly, and conjunction with figs. is described in detail below.
Description of drawings
Fig. 1 is the functional block diagram according to the universal remote controller of first embodiment of the invention.
Fig. 2 is the schematic diagram according to the universal remote controller of first embodiment of the invention.
Fig. 3 is the universal remote controller 100 and TV location diagram according to first embodiment of the invention.
Fig. 4 is the frequency searching schematic diagram according to first embodiment of the invention.
Fig. 5 is the frequency setting method flow diagram according to second embodiment of the invention.
Embodiment
First embodiment
Please refer to Fig. 1, Fig. 1 is the functional block diagram according to the universal remote controller of first embodiment of the invention.Universal remote controller 100 comprises photo-sensitive cell 110, processing unit 120, input unit 130, infrared transmitter 140 and memory cell 150.Photo-sensitive cell 110, input unit 130, infrared transmitter 140 are coupled to processing unit 120 with memory cell 150, be responsible for handling relevant data operation and data-transformation facility by processing unit 120, wherein processing unit 120 can be by embedded controller (Embedded Controller) or complex programmable logic element (Complex Programmable Logic Device, CPLD) realize that present embodiment is not limited.110 of photo-sensitive cells for example are the elements of sensitization such as photo resistance.
Photo-sensitive cell 110 is arranged on the main body of universal remote controller 100, can be used to the screen intensity of sensing TV, and with sensing signal transmission to processing unit 120.130 buttons that comprise universal remote controller 100 of input unit are used for receiving user's instruction.Infrared transmitter 140 is used for launching remote signal to TV.Store many group signal encodings in the memory cell 150, wherein respectively this signal encoding corresponds respectively to different frequencies, just different brand of television and television model or the data transmission format of remote controller.For example be Sampo, NEC, SONY, PHILIPS, RC5/RC6 etc.Universal remote controller 100 is for meeting various household electrical appliances brands and household electrical appliances model, and the data transmission format and the transfer of data frequency range of the built-in multiple label of meeting are called signal encoding in the present embodiment.Different signal encodings is represented different data transmission formats and transfer of data frequency range, and it is corresponding to different brand of television and model.
Fig. 2 is the schematic diagram according to the universal remote controller of first embodiment of the invention.Wherein photo-sensitive cell 110 is arranged on the front end of the main body 210 of universal remote controller 100, can be used to the brightness in the sensing external world.With reference to Fig. 2, the input unit 130 on the universal remote controller 100 can have a plurality of buttons, comprises numerical key, volume control key, channel operating key, power supply and function setting button etc.It should be noted that Fig. 2 only for the embodiment of universal remote controller 100 outward appearances, the present invention is not limited to this.
When the user need reset the remote control frequency of universal remote controller 100 according to different television set models, only need universal remote controller 100 is placed on the screen of TV set front, allow photo-sensitive cell 110 in the face of video screen, allow universal remote controller 100 enter the setting pattern then.Have setting key on the universal remote controller 100, the user can allow universal remote controller 100 enter the setting pattern by setting key.
Universal remote controller 100 just can search out corresponding frequency automatically and finish the setting program of seeking sign indicating number voluntarily, and the user does not need eyes to stare at video screen, comes setpoint frequency in manual mode.When carrying out the automatic frequency setting, the position relation between universal remote controller 100 and the TV please refer to Fig. 3, and Fig. 3 is the universal remote controller 100 and TV location diagram according to first embodiment of the invention.As shown in Figure 3, the user needs universal remote controller 100 dislocation TVs 310 fronts, and the screen intensity that allows photo-sensitive cell 110 on the universal remote controller 100 can sense TV 310 changes.In addition, the user also can place universal remote controller 100 on the table, changes as long as the photo-sensitive cell 110 on the universal remote controller 100 can be sensed the screen intensity of TV 310, and present embodiment is not limited.
Next, further specify the program that universal remote controller 100 is set operating frequency, please be simultaneously with reference to Fig. 1～Fig. 3.At first, when universal remote controller 100 enters the setting pattern, universal remote controller 100 can switch the power supply of the pairing frequency of remote signal with unlatching or closing television according to first order, and via the variation of photo-sensitive cell 110 sensing screen intensitys, when screen intensity changed, the present pairing frequency of record remote signal was a first frequency.So-called first order for example is progressively to increase frequency or progressively reduce frequency to seek suitable operating frequency.Be that example describes to increase frequency in the present embodiment.
Universal remote controller 100 can be tested TV 310 with the remote signal of mains switch (power on/off), and therefore when frequency was correct, the screen of TV 310 can be unlocked or close, and its screen intensity can change thereupon.When photo-sensitive cell 110 senses the screen intensity change of TV 310 (can brighten after the start, shutdown then is deepening), the pairing frequency of expression remote signal is correct, and just can write down present pairing frequency this moment is first frequency.Universal remote controller 100 can be tested once more, if use the remote signal of first frequency can correctly control the mains switch (variation by screen intensity detects) of TV 310, represents that then first frequency is the frequency of operation of TV 310.Universal remote controller 100 is just set the frequency of its remote signal as set point with first frequency.
In addition, in another case, because the speed of universal remote controller 100 switching frequencies may be faster than the reaction time of video screen, therefore the frequency that is write down instantly may be higher.So universal remote controller 100 can be with the first frequency after obtaining the numerical value of first frequency be initial frequency and determine with the frequency that the second reverse order is switched remote signal whether the frequency that is captured is correct.The i.e. expression of second order progressively reduces the frequency of remote signal.
When the screen intensity that senses TV 310 when universal remote controller 100 changed once again, can write down the present pairing frequency of remote signal was a second frequency.At this moment, what can predict is that correct frequency should be between first frequency and second frequency.Therefore, universal remote controller 100 can be an initial frequency with the second frequency, revise the numerical value of first frequency then once again with first frequency of switching remote signal in proper order, so recycle first order and second order is revised the numerical value of first frequency and second frequency, up to the first frequency that is write down with till second frequency is identical.At this moment, first frequency that is write down and second frequency are correct television frequencies.Universal remote controller 100 just can be set the frequency of its remote signal according to this first frequency.
In the process of revising first frequency and second frequency repeatedly, universal remote controller 100 can progressively strengthen the time interval of switching frequency, avoids because of switching the too fast correct frequency values of skipping.Therefore, second pairing second time interval of order can be greater than the very first time interval of first order.So, universal remote controller 100 just can progressively approach correct frequency values to reach the effect of automatic code finding.
Please refer to Fig. 4, Fig. 4 is the frequency searching schematic diagram according to first embodiment of the invention.When universal remote controller 100 for the first time during scanning frequency, be to adjust the frequency of sweep signal, and can be the frequency that switching cycle comes the switched scan signal with time interval T1 with first order (arrow to the right, its frequency increments).When detecting video screen brightness change, can write down first frequency F1.Then, adjust the frequency of sweep signal with reverse second order (arrow left, its frequency is successively decreased), and can be the frequency that switching cycle comes the switched scan signal with time interval T2.When detecting video screen brightness change, can write down second frequency F2.And then reverse scan, progressively to revise the numerical value of first frequency F1 and second frequency F2, and reverse each time, its time interval can strengthen by that analogy, so the size order in the time interval is T5＞T4＞T3＞T2＞T1.When first frequency F1 is identical with second frequency F2, represent that promptly first frequency F1 is correct frequency.Above-mentioned scanning times only is one embodiment of the invention, and the present invention is not as limit.
From the above, the present invention utilizes photo-sensitive cell 110 to replace human eye to judge whether the power supply of TV 310 can be opened or close by universal remote controller 100, and the mode of utilizing two ends to approach then obtains correct tranmitting frequency.Therefore, do not need the user to set in manual mode, also do not need the user to import TV 310 labels or model, universal remote controller 100 of the present invention can carry out the work of automatic code finding, quite has convenience.
Frequency that it should be noted that above-mentioned remote signal is adjusted direction can be by high frequency sweep to low frequency, and then by low-frequency sweep to high frequency, present embodiment is not limited.Have in the present technique field and to know the knowledgeable usually, after via exposure of the present invention, should know its execution mode easily by inference, do not add at this and give unnecessary details.In addition, in assignment procedure, TV 310 can be preset as power opening state or power down state, the neither automatic setting program that influences universal remote controller 100.Because the test signal (remote signal) that universal remote controller 100 is exported is the signal of mains switch, therefore as long as frequency and data format are correct, the power supply status of TV 310 will change thereupon, and then causes the change of screen intensity.
Second embodiment
By the frequency setting method that can summarize a kind of universal remote controller 100 among above-mentioned first embodiment, above-mentioned universal remote controller 100 is used for remote control one TV, shown in Fig. 1,2 and 3, its universal remote controller 100 is provided with photo-sensitive cell 110, with the screen intensity of sensing TV 310.Please refer to Fig. 5, Fig. 5 is the frequency setting method flow diagram according to second embodiment of the invention.This frequency setting method comprises the following steps: at first, detects universal remote controller 100 and whether enters a setting pattern (step S510).When universal remote controller 100 enters the setting pattern, switch the power supply (step S520) of the pairing frequency of remote signal of universal remote controller 100 with unlatching or closing television 310 according to first order.
Then, via the variation (step S530) of photo-sensitive cell 110 sensing screen intensitys, when screen intensity changed, the present pairing frequency of record remote signal was first frequency (step S540).Next, switch the pairing frequency of remote signal with second order, when screen intensity changed once again, the present pairing frequency of record remote signal was second frequency (step S550).Then, judge that whether first frequency and second frequency are the required remote control frequency (step S560) of TV 310, judgment mode comprises again with the mains switch of first frequency or second frequency test TV 310 or judges whether first frequency is identical with second frequency.When first frequency is identical with second frequency, represent that promptly first frequency and second frequency are correct frequency.If obtain correct scanning frequency, with regard to the remote control frequency (step S570) of automatic setting universal remote controller 100.If first frequency and all non-correct frequency of second frequency, then repeating step S520～S560 is to obtain correct frequency.All the other details of operations about the frequency setting method of second embodiment of the invention have been specified among above-mentioned first embodiment, are not repeated at this.
In sum, the present invention is provided with the screen intensity variation of photo-sensitive cell with the sensing TV on universal remote controller, and whether correct, and reach the function of automatic setting frequency if allowing universal remote controller change the frequency of judging its switching by screen intensity.In addition, the mode that the present invention utilizes two ends to approach is tried to achieve correct frequency, and this mode can allow the frequency of the quick and correct setting remote signal of universal remote controller.
Though the present invention discloses as above with embodiment; right its is not in order to limit the present invention; have in the technical field under any and know the knowledgeable usually; without departing from the spirit and scope of the present invention; when doing a little change and retouching, so protection scope of the present invention is worked as with being as the criterion that claim was defined.
Claims (17)
1. a universal remote controller is applicable to remote control one TV, and this universal remote controller comprises:
One processing unit;
One photo-sensitive cell is coupled to this processing unit and is arranged on the main body of this universal remote controller, in order to a screen intensity of this TV of sensing;
One input unit is coupled to this processing unit;
One memory cell is coupled to this processing unit and stores many group signal encodings, and wherein those signal encodings correspond respectively to a plurality of frequencies; And
One infrared transmitter is coupled to this processing unit, in order to transmitting a remote signal to this TV, this remote signal corresponding to those frequencies one of them;
Wherein, when this universal remote controller enters a setting pattern, this universal remote controller switches the pairing frequency of this remote signal to open or to close this TV power according to one first order, and via the variation of this this screen intensity of photosensitive elements sense, when this screen intensity changed, writing down the present pairing frequency of this remote signal was a first frequency.
2. universal remote controller as claimed in claim 1, it is characterized in that, when this universal remote controller obtains this first frequency, this universal remote controller is initial frequency with this first frequency and switches the pairing frequency of this remote signal opening or to close this TV power according to one second order, and via the variation of this this screen intensity of photosensitive elements sense; When this screen intensity changed once again, writing down the present pairing frequency of this remote signal was a second frequency, and wherein this first order is reverse with this second order.
3. universal remote controller as claimed in claim 2, it is characterized in that, this universal remote controller is an initial frequency with this second frequency and this first frequency respectively, and it is identical with this second frequency up to this first frequency that is write down to revise pairing this first frequency and this second frequency to repeat to switch the program of the pairing frequency of this remote signal according to this first order and this second order then.
4. universal remote controller as claimed in claim 3 is characterized in that, when this first frequency was identical with this second frequency, this universal remote controller was set the frequency of this remote signal with this first frequency.
5. universal remote controller as claimed in claim 2 is characterized in that, when this universal remote controller according to one first order when switching the pairing frequency of this remote signal, switch the pairing frequency of this remote signal at interval according to a very first time; When this universal remote controller according to one second order when switching the pairing frequency of this remote signal, switch the pairing frequency of this remote signal according to one second time interval, wherein this second interval greater than this very first time at interval.
6. universal remote controller as claimed in claim 1, it is characterized in that, this universal remote controller is launched this remote signal to open or to close this TV power according to this first frequency, if this screen intensity changes, then this universal remote controller is set the frequency of this remote signal with this first frequency.
7. universal remote controller as claimed in claim 1 is characterized in that, this photo-sensitive cell is a photo resistance.
8. the frequency setting method of a universal remote controller, this universal remote controller system is used for remote control one TV, and this frequency setting method comprises:
One photo-sensitive cell is set, with a screen intensity of this TV of sensing on this universal remote controller;
Detect this universal remote controller and whether enter a setting pattern;
When this universal remote controller entered this setting pattern, the pairing frequency of a remote signal of switching this universal remote controller according to one first order was to open or to close this TV power;
Variation via this this screen intensity of photosensitive elements sense; And
When this screen intensity changed, writing down the present pairing frequency of this remote signal was a first frequency.
9. frequency setting method as claimed in claim 8 is characterized in that, more comprises:
Be initial frequency and switch the pairing frequency of this remote signal to open or to close this TV power that wherein this first order and this second order are oppositely according to one second order with this first frequency;
Variation via this this screen intensity of photosensitive elements sense; And
When this screen intensity changed, writing down the present pairing frequency of this remote signal was a second frequency.
10. frequency setting method as claimed in claim 9 is characterized in that, more comprises:
Be initial frequency with this second frequency and this first frequency respectively, and the step that repetition is switched the pairing frequency of this remote signal according to this first order and this second order is identical with this second frequency up to this first frequency that is write down to revise pairing this first frequency and this second frequency.
11. frequency setting method as claimed in claim 8 is characterized in that, more comprises with the step of opening or closing this TV power in the pairing frequency of this remote signal of switching this universal remote controller according to this first order:
Switch the pairing frequency of this remote signal at interval according to a very first time.
12. frequency setting method as claimed in claim 9 is characterized in that, more comprises with the step of opening or closing this TV power in the pairing frequency of this remote signal of switching this universal remote controller according to this first order:
Switch the pairing frequency of this remote signal at interval according to a very first time.
13. frequency setting method as claimed in claim 12 is characterized in that, more comprises with the step of opening or closing this TV power in the pairing frequency of this remote signal of switching this universal remote controller according to this second order:
Switch the pairing frequency of this remote signal according to one second time interval.
14. frequency setting method as claimed in claim 13 is characterized in that, this second interval greater than this very first time at interval.
15. frequency setting method as claimed in claim 10 is characterized in that, more comprises:
When this first frequency is identical with this second frequency, set the frequency of this remote signal with this first frequency.
16. frequency setting method as claimed in claim 8 is characterized in that, more comprises:
Launch this remote signal to open or to close this TV power according to this first frequency,, then set the frequency of this remote signal with this first frequency if this screen intensity changes.
17. frequency setting method as claimed in claim 8 is characterized in that, this photo-sensitive cell is a photo resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101704307A CN101998078B (en) | 2009-08-18 | 2009-08-18 | Universal remote controller and method for setting frequency thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009101704307A CN101998078B (en) | 2009-08-18 | 2009-08-18 | Universal remote controller and method for setting frequency thereof |
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| CN101998078A true CN101998078A (en) | 2011-03-30 |
| CN101998078B CN101998078B (en) | 2012-08-08 |
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| CN2009101704307A Expired - Fee Related CN101998078B (en) | 2009-08-18 | 2009-08-18 | Universal remote controller and method for setting frequency thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103475925A (en) * | 2013-09-13 | 2013-12-25 | 深圳Tcl新技术有限公司 | Television set remote control method and system |
| CN104574931A (en) * | 2015-01-04 | 2015-04-29 | 中兴通讯股份有限公司 | Infrared remote control circuit, method and terminal |
| CN110149252A (en) * | 2018-02-11 | 2019-08-20 | 艾法科技股份有限公司 | Universal remote control system and the full-automatic of device seek a yard method |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1172314A (en) * | 1996-09-10 | 1998-02-04 | 商松 | Multifunctional intelligent infrared telecontroller |
| CN1084106C (en) * | 1997-10-17 | 2002-05-01 | 赖荣华 | Remote controller automatic code finding and locking method and circuit |
| CN2650417Y (en) * | 2003-09-25 | 2004-10-20 | 赖荣华 | Rapid autoamtic code-finding and timing automatic-transmitting multi functional remote controller |
| CN101419748B (en) * | 2008-11-19 | 2010-09-15 | 余翀 | Universal remote control and distant control code searching method thereof |
-
2009
- 2009-08-18 CN CN2009101704307A patent/CN101998078B/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103475925A (en) * | 2013-09-13 | 2013-12-25 | 深圳Tcl新技术有限公司 | Television set remote control method and system |
| CN103475925B (en) * | 2013-09-13 | 2017-06-13 | 深圳Tcl新技术有限公司 | A kind of TV remote-control method and system |
| CN104574931A (en) * | 2015-01-04 | 2015-04-29 | 中兴通讯股份有限公司 | Infrared remote control circuit, method and terminal |
| CN110149252A (en) * | 2018-02-11 | 2019-08-20 | 艾法科技股份有限公司 | Universal remote control system and the full-automatic of device seek a yard method |
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| CN101998078B (en) | 2012-08-08 |
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