CN105336150B - Method for remotely controlling and system based on sound wave - Google Patents
Method for remotely controlling and system based on sound wave Download PDFInfo
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- CN105336150B CN105336150B CN201510823898.7A CN201510823898A CN105336150B CN 105336150 B CN105336150 B CN 105336150B CN 201510823898 A CN201510823898 A CN 201510823898A CN 105336150 B CN105336150 B CN 105336150B
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C23/00—Non-electrical signal transmission systems, e.g. optical systems
- G08C23/02—Non-electrical signal transmission systems, e.g. optical systems using infrasonic, sonic or ultrasonic waves
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Abstract
The invention discloses a kind of method for remotely controlling based on sound wave, this method process includes: that control controlled terminal exports the ultrasonic wave of predeterminated frequency in real time so that remote control device receives and detects；When the controlled terminal receives the telecommand of remote control device transmission, the frequency values for the ultrasonic wave that the remote control device detects are obtained from the telecommand；The frequency values and the predeterminated frequency are compared by the controlled terminal, and generate corresponding control instruction according to comparison result.The present invention also proposes a kind of remote control system based on sound wave.The present invention solves the problems, such as to lead to not accurately carry out TV programme adjusting because user presses the wrong button in the prior art.
Description
Technical field
The present invention relates to remote control technical field more particularly to a kind of method for remotely controlling and system based on sound wave.
Background technique
The household electrical appliances such as current air-conditioning are mainly controlled by modes such as remote controller keys, and traditional is needed by key control
Carrying out pressing operation to key corresponding on remote controler just can be carried out control response, when user makes in the case where light is than darker environment
When these household electrical appliances being adjusted with remote control device, it is difficult to see corresponding key clearly, will appear led because user presses the wrong button at this time
Cause can not accurately carry out the case where TV programme adjusting.
Summary of the invention
The present invention provides a kind of method for remotely controlling and system based on sound wave, and main purpose is to solve the prior art
In because user presses the wrong button lead to not the problem of accurately adjusting controlled terminal.
To achieve the above object, the present invention provides a kind of method for remotely controlling based on sound wave, should the remote control based on sound wave
Control method includes:
Controlled terminal exports the ultrasonic wave of predeterminated frequency in real time so that remote control device receives and detects；
When the controlled terminal receives the telecommand of remote control device transmission, obtained from the telecommand described distant
The frequency values for the ultrasonic wave that control device detects；
The controlled frequency values described at last and the predeterminated frequency are compared, and are generated accordingly according to comparison result
Control instruction.
Preferably, the controlled terminal exports the ultrasonic wave of predeterminated frequency in real time for remote control device receives and detects step
Before rapid, the method for remotely controlling based on sound wave further include:
The controlled terminal is switched to when receiving the instruction for the unlatching sound wave controlled mode that the remote control device is sent
The sound wave controlled mode, wherein the remote control device is sent when detecting ambient brightness lower than predetermined luminance to television
The instruction for opening sound wave controlled mode；
The controlled terminal executes the ultrasonic wave of output predeterminated frequency when switching to the sound wave controlled mode for distant
The step of control device is received and is detected.
Preferably, the step of control controlled terminal exports the ultrasonic wave of predeterminated frequency in real time include:
The controlled terminal exports the ultrasonic wave for being loaded with the predeterminated frequency of identification information in real time, for the remote control device
When detecting the ultrasonic wave with the identification information, detects the frequency values of the ultrasonic wave and be loaded onto the frequency values
In the telecommand.
Preferably, the frequency values and the predeterminated frequency are compared by the controlled terminal, and according to comparison result
The step of generating corresponding control instruction include:
The controlled terminal obtains the difference of the frequency values Yu the predeterminated frequency；
When the difference of the frequency values and the predeterminated frequency is greater than zero, the controlled terminal is according to the first preset instructions
It is adjusted, when the difference of the frequency values and the predeterminated frequency is less than zero, the controlled terminal is according to the second default finger
Order is adjusted.
Preferably, the frequency values and the predeterminated frequency are compared by the controlled terminal, and according to comparison result
The step of generating corresponding control instruction include:
The controlled terminal obtains the difference of the frequency values Yu the predeterminated frequency；
When the difference of the frequency values and the predeterminated frequency that get in preset duration is respectively positioned on pre-set interval,
The controlled terminal is adjusted accordingly according to the corresponding regulating command of the pre-set interval.
In addition, to achieve the above object, the present invention also provides a kind of remote control systems based on sound wave, sound wave should be based on
Remote control system include:
Sound wave output module, for exporting the ultrasonic wave of predeterminated frequency in real time so that remote control device receives and detects；
Frequency acquisition module, for being obtained from the telecommand when receiving the telecommand of remote control device transmission
The frequency values for the ultrasonic wave for taking the remote control device to detect；
Function point analysis module for being compared the frequency values and the predeterminated frequency, and is produced according to comparison result
Raw corresponding control instruction.
Preferably, the remote control system based on sound wave further include:
Mode switch module, for when receiving the instruction for the unlatching sound wave controlled mode that the remote control device is sent,
Switch to the sound wave controlled mode, wherein the remote control device is when detecting ambient brightness lower than predetermined luminance, to TV
End sends the instruction for opening sound wave controlled mode；
Trigger module, for when switching to the sound wave controlled mode, exporting the ultrasonic wave of predeterminated frequency for remote control
Device is received and is detected.
Preferably, the sound wave output module is also used to export the ultrasound for being loaded with the predeterminated frequency of identification information in real time
Wave detects the frequency values of the ultrasonic wave so that the remote control device is when detecting the ultrasonic wave with the identification information
And the frequency values are loaded onto the telecommand.
Preferably, the function point analysis module includes:
First difference acquiring unit, for obtaining the difference of the frequency values Yu the predeterminated frequency；
First function point analysis unit, for when the difference of the frequency values and the predeterminated frequency is greater than zero, according to the
One preset instructions are adjusted, when the difference of the frequency values and the predeterminated frequency is less than zero, according to the second preset instructions
It is adjusted.
Preferably, the function point analysis module includes:
Second difference acquiring unit, for obtaining the difference of the frequency values Yu the predeterminated frequency；
Second function point analysis unit, for when the frequency values and the predeterminated frequency got in preset duration
When difference is respectively positioned on pre-set interval, adjusted accordingly according to the corresponding regulating command control of the pre-set interval.
Method for remotely controlling and system proposed by the present invention based on sound wave, the continual output one of control controlled terminal
Determine the ultrasonic wave of predeterminated frequency, remote control device obtains the frequency of ultrasonic wave and be loaded onto frequency distant when detecting ultrasonic wave
It is sent to controlled terminal in control instruction, when user needs to adjust controlled terminal, it is mobile relative to controlled terminal that remote controler can be held
And relative displacement occurs, the frequency values that such controlled terminal receives can be not identical as the predeterminated frequency of transmission, and controlled terminal can
To be adjusted according to the comparison result progress between frequency values and predeterminated frequency is corresponding；The present invention without user to remote keying into
Row operation, control remote controler with respect to controlled terminal move, the adjusting to controlled terminal can be realized, solve in the prior art because
For user presses the wrong button and leads to not the problem of accurately adjusting controlled terminal.
Detailed description of the invention
Fig. 1 is that the present invention is based on the flow charts of the method for remotely controlling first embodiment of sound wave；
Fig. 2 is that the present invention is based on the flow charts of the method for remotely controlling second embodiment of sound wave；
Fig. 3 is that the present invention is based on the functional block diagrams of the remote control system first embodiment of sound wave；
Fig. 4 is that the present invention is based on the functional block diagrams of the remote control system second embodiment of sound wave.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
The present invention provides a kind of method for remotely controlling based on sound wave.
Shown in referring to Fig.1, for the present invention is based on the flow charts of the method for remotely controlling first embodiment of sound wave.
In the first embodiment, being somebody's turn to do the method for remotely controlling based on sound wave includes:
Step S10, controlled terminal export the ultrasonic wave of predeterminated frequency in real time so that remote control device receives and detects.
It is more existing to carry out function point analysis by the way of remote control as the household electrical appliances such as television set, air-conditioning, at this
In embodiment, ultrasonic wave output device can be set on the controlled terminals such as television set, air-conditioning, while be arranged on the remote control device
Ultrasonic detection device, controlled terminal export the ultrasonic wave of predeterminated frequency in real time so that remote control device receives and detects, can be with
As long as beginning to the ultrasonic wave of output predeterminated frequency after being controlled terminal starting, being also possible to through controlled terminal or distant
After control device triggers the instruction of sound wave controlled mode unlatching, start the ultrasonic wave for exporting predeterminated frequency.
The sound wave that frequency is greater than the upper limit of hearing 20KHz of human ear is ultrasonic wave, therefore the present embodiment is preferably made with 30KHz
It can choose other frequency values as predeterminated frequency, as long as being greater than 20KHz in other examples for predeterminated frequency
It can.
Step S20 is obtained from the telecommand when controlled terminal receives the telecommand of remote control device transmission
The frequency values for the ultrasonic wave for taking the remote control device to detect.
Controlled terminal sends ultrasonic wave in real time, therefore when remote control device is in the range of can receive ultrasonic wave, meeting
Ultrasonic wave is detected in real time and gets the frequency of ultrasonic wave, and remote control device will acquire in real time when detecting ultrasonic wave
To frequency be sent to controlled terminal, due to different remote control devices when being remotely controlled control using different coded formats,
Therefore, for remote control device when sending frequency, can be added in intrinsic coding indicates that the frequency code of the frequency values sent carries out
It sends, it in other embodiments, can also be using other methods for sending frequency values, for example, directly compiling frequency values
Code is sent.
Controlled terminal obtains frequency code, and then obtain when receiving the telecommand of remote control device transmission from the instruction
The frequency values for taking remote control device to return can be to the code value got for frequency values directly to be carried out to the mode of coding transmission
It is decoded acquisition frequency values.
The frequency values and the predeterminated frequency are compared by step S30, the controlled terminal, and according to comparison result
Generate corresponding control instruction.
By Doppler effect it is found that as observer and when wave source relative motion, frequency that observer receives can be relative to
The frequency for the wave that wave source issues changes, and when observer is close to wave source, the frequency received can be got higher, on the contrary, when seeing
When survey person is far from wave source, the frequency received can be lower.
Therefore, when user wants to adjust controlled terminal, it is only necessary to control remote control device relative to controlled terminal and phase occurs
To displacement, i.e. manpower is held remote control device and is moved with respect to controlled terminal, the frequency meeting for the ultrasonic wave that remote control device receives
More than or less than above-mentioned predeterminated frequency, when remote control device is not relatively moved relative to controlled terminal, the frequency that receives
Equal to predeterminated frequency.
In the present embodiment, it will acquire frequency values to be compared with predeterminated frequency, controlled terminal is produced according to comparison result
Raw corresponding control instruction, can be the size relation according to frequency values and predeterminated frequency, also available frequency values and default
The difference of frequency is also possible to generate corresponding control instruction according to the size of difference, it should be noted that frequency values and default
The difference of frequency refers to that frequency values are got from telecommand subtracts the difference that predeterminated frequency value obtains.
It based on the above principles, specifically can be with a variety of embodiment party when generating corresponding control instruction according to the size of difference
Formula can be greater than zero according to the difference of the frequency values and predeterminated frequency that receive or less than zero, be respectively set in one embodiment
Two corresponding functions, obtain the difference of the frequency values Yu the predeterminated frequency；When the frequency values and the predeterminated frequency
Difference be greater than zero when, according to the first preset instructions adjust controlled terminal, when the difference of the frequency values and the predeterminated frequency
When less than zero, controlled terminal is adjusted according to the second preset instructions.For example, when the difference of the frequency and predeterminated frequency that detect is greater than
When zero, the function that corresponding channel adds, then controlled terminal response telecommand cuts platform upwards, when the frequency and predeterminated frequency detected
Difference less than zero when, the function of corresponding channel down, then controlled terminal responds telecommand to incision platform.In another embodiment
In, in order to enhance the accuracy of function point analysis, preset duration can be set as further Rule of judgment, i.e., in certain time length
When the frequency values inside detected are all satisfied condition, function point analysis is just carried out.It, can be with it should be noted that in other embodiments
Multiple frequency separations, corresponding different control instruction is set as needed.In other embodiments, can further be arranged more
A difference section, different difference sections correspond to different control instructions.
The method for remotely controlling based on sound wave that the present embodiment proposes, under sound wave controlled mode, continual output
The ultrasonic wave of certain predetermined frequency, remote control device obtain the frequency of ultrasonic wave and are loaded onto frequency when detecting ultrasonic wave
It is sent to controlled terminal in telecommand, when user needs to adjust controlled terminal, it is close or separate that remote control device can be held
Controlled terminal, the frequency values that such controlled terminal receives can be not identical as the predeterminated frequency of transmission, and controlled terminal can basis
Frequency values are corresponding with the progress of the comparison result of predeterminated frequency to be adjusted；The present invention operates remote keying without user, controls
Remote control device processed is close with respect to controlled terminal or separate, and the adjusting to controlled terminal can be realized, solve in the prior art
Lead to not the problem of accurately adjusting controlled terminal because user presses the wrong button.
Referring to shown in Fig. 2, the first embodiment of the method for remotely controlling based on invention based on sound wave propose the present invention is based on
The second embodiment of the method for remotely controlling of sound wave.In the present embodiment, the difference of the method and first embodiment is, step
Rapid S10 includes following refinement step:
Step S11, the controlled terminal exports the ultrasonic wave for being loaded with the predeterminated frequency of identification information in real time, for described
Remote control device detects the frequency values of the ultrasonic wave and by the frequency when detecting the ultrasonic wave with the identification information
Value is loaded onto the telecommand.
Since existing some other household electrical appliances may also have the function of sending ultrasonic wave, in order to avoid other equipment sending
Ultrasonic signal interference, can to television set issue ultrasonic signal carry out load identification information, remote control device only has
When detecting the ultrasonic wave with the identification information, just the frequency values of the ultrasonic wave are loaded in telecommand and carried out distant
The transmission of instruction is controlled, such as can be using ultrasonic wave as carrier wave, the data content for including by identification information is loaded onto ultrasonic wave.
Further, before step S10, it is somebody's turn to do the method for remotely controlling based on sound wave further include:
The controlled terminal is switched to when receiving the instruction for the unlatching sound wave controlled mode that the remote control device is sent
The sound wave controlled mode, wherein the remote control device is sent when detecting ambient brightness lower than predetermined luminance to television
The instruction for opening sound wave controlled mode；
The controlled terminal executes step S10 when switching to the sound wave controlled mode.
In the present embodiment, when controlled terminal is in the instruction for the unlatching sound wave controlled mode for receiving remote control device transmission
When, switch to sound wave controlled mode, to avoid when that can be normally carried out by key control, controlled terminal still the moment ceaselessly
Output ultrasonic wave, to save electricity.
Brightness impression device is set in remote control device, can real-time detection ambient brightness, when detecting that ambient brightness is low
When predetermined luminance, the instruction for sending unlatching sound wave controlled mode to controlled terminal switches to sound wave controlled mould to control television
Formula.Further, when detecting that ambient brightness restores to be higher than predetermined luminance, then automatic to send instruction, control controlled terminal moves back
Sound wave control model out stops the output of ultrasonic wave.
The method for remotely controlling based on sound wave that the present embodiment proposes, loads identification information in the ultrasonic wave of output, with
The interference for the ultrasonic signal for avoiding other equipment from exporting, enhances the accuracy of adjusting, moreover, controlled terminal can pass through instruction
Automatically switch between sound wave controlled mode and general modfel, without manually adjusting.
The first embodiment of method for remotely controlling based on invention based on sound wave proposes that the present invention is based on the remote control controls of sound wave
The 3rd embodiment of method processed.In the present embodiment, the difference of the method and first embodiment is, step S30 include with
Lower refinement step:
The controlled terminal obtains the difference of the frequency values Yu the predeterminated frequency；
When the difference of the frequency values and the predeterminated frequency that get in preset duration is respectively positioned on pre-set interval,
The controlled terminal is adjusted accordingly according to the corresponding regulating command of the pre-set interval.
In order to enhance the accuracy of adjusting, the case where causing mistake to adjust because of the maloperation of user is avoided, is increased pre-
If duration is as Rule of judgment.No matter whether user operates remote control device, and remote control device all can constantly export inspection
The frequency measured, controlled terminal can constantly get frequency values.
The function that the pre-set interval can be adjusted according to the needs is configured two or more, different sections
Corresponding different regulating command, by taking television set as an example, when difference is greater than 0KHz and is less than 10KHz, for channel plus, when difference is big
It is channel down when -10KHz is less than 0KHz.
Time set can be set in controlled terminal or using original time set in controlled terminal, got
The frequency values and the difference of predeterminated frequency when being greater than zero, start timing, be equal to or more than preset duration when accumulative
When, controlled terminal is adjusted according to the first preset instructions, if timing is not up to preset duration, the frequency that gets
Value and the difference of the predeterminated frequency are less than or equal to zero, then reset timing, as procedure described above, in frequency values and preset
The difference of frequency reaches preset condition and when the cumulative time reaches preset duration, and controlled terminal is adjusted according to corresponding instruction.
The method for remotely controlling based on sound wave that the present embodiment proposes leads to mistake in order to avoid the maloperation because of user
The case where mistuning section, increases preset duration as Rule of judgment, enhances the accuracy of adjusting.
The present invention also proposes a kind of remote control system based on sound wave.
Referring to shown in Fig. 3, for the present invention is based on the functional block diagrams of the remote control system first embodiment of sound wave.
In this embodiment, being somebody's turn to do the remote control system based on sound wave includes:
Sound wave output module 10, for exporting the ultrasonic wave of predeterminated frequency in real time so that remote control device receives and detects.
It is more existing to carry out function point analysis by the way of remote control as the household electrical appliances such as television set, air-conditioning, at this
In embodiment, ultrasonic wave output device can be set on the controlled terminals such as television set, air-conditioning, while be arranged on the remote control device
Ultrasonic detection device, sound wave output module 10 export the ultrasonic wave of predeterminated frequency in real time so that remote control device receives and examines
It surveys, as long as beginning to the ultrasonic wave of output predeterminated frequency after can be controlled terminal starting, being also possible to pass through controlled terminal
Or after remote control device triggers the instruction that sound wave controlled mode is opened, sound wave output module 10 starts to export the super of predeterminated frequency
Sound wave.
The sound wave that frequency is greater than the upper limit of hearing 20KHz of human ear is ultrasonic wave, therefore the present embodiment is preferably made with 30KHz
It can choose other frequency values as predeterminated frequency, as long as being greater than 20KHz in other examples for predeterminated frequency
It can.
Frequency acquisition module 20, for when receive remote control device transmission telecommand when, from the telecommand
Obtain the frequency values for the ultrasonic wave that the remote control device detects.
Controlled terminal sends ultrasonic wave in real time, therefore when remote control device is in the range of can receive ultrasonic wave, meeting
Ultrasonic wave is detected in real time and gets the frequency of ultrasonic wave, and remote control device will acquire in real time when detecting ultrasonic wave
To frequency be sent to controlled terminal, due to different remote control devices when being remotely controlled control using different coded formats,
Therefore, for remote control device when sending frequency, can be added in intrinsic coding indicates that the frequency code of the frequency values sent carries out
It sends, it in other embodiments, can also be in such a way that others send frequency values, for example, directly compiling frequency values
Code is sent.
When receiving the telecommand of remote control device transmission, frequency acquisition module 20 obtains controlled terminal from the instruction
Frequency code, and then obtaining the frequency values that remote control device returns can be right for frequency values directly to be carried out to the mode of coding transmission
The code value got is decoded acquisition frequency values.
Function point analysis module 30, for being compared the frequency values and the predeterminated frequency, and according to comparison result
Generate corresponding control instruction.
By Doppler effect it is found that as observer and when wave source relative motion, frequency that observer receives can be relative to
The frequency for the wave that wave source issues changes, and when observer is close to wave source, the frequency received can be got higher, on the contrary, when seeing
When survey person is far from wave source, the frequency received can be lower.
Therefore, when user wants to adjust controlled terminal, it is only necessary to control remote control device relative to controlled terminal and phase occurs
To displacement, i.e. manpower is held remote control device and is moved with respect to controlled terminal, the frequency meeting for the ultrasonic wave that remote control device receives
More than or less than above-mentioned predeterminated frequency, when remote control device is not relatively moved relative to controlled terminal, the frequency that receives
Equal to predeterminated frequency.
In the present embodiment, it will acquire frequency values to be compared with predeterminated frequency, function point analysis module 30 is according to comparing
As a result corresponding control instruction is generated, can be the size relation according to frequency values and predeterminated frequency, also available frequency values
With the difference of predeterminated frequency, it is also possible to according to frequency values control instruction corresponding with the generation of the size of the difference of predeterminated frequency,
It should be noted that the difference of frequency values and predeterminated frequency in the present embodiment refers to that getting frequency values from telecommand subtracts
Go the difference that predeterminated frequency value obtains.
It based on the above principles, specifically can be with a variety of embodiment party when controlling the adjusting of controlled terminal according to the size of difference
Formula, in one embodiment, function point analysis module 30 may include with lower unit:
First difference acquiring unit, for obtaining the difference of the frequency values Yu the predeterminated frequency；
First function point analysis unit, for when the difference of the frequency values and the predeterminated frequency is greater than zero, according to the
One preset instructions are adjusted, when the difference of the frequency values and the predeterminated frequency is less than zero, according to the second preset instructions
It is adjusted.
When the difference for detecting frequency and predeterminated frequency that the first difference acquiring unit is got is greater than zero, corresponding channel
The function of adding, then the first function point analysis unit response telecommand cuts platform upwards, when the difference of the frequency and predeterminated frequency that detect
When value is less than zero, the function of corresponding channel down, then the first function point analysis unit responds telecommand to incision platform.
In another embodiment, in order to enhance the accuracy of function point analysis, preset duration can be set, i.e., in certain time length
When the frequency values inside detected are all satisfied condition, function point analysis module 30 just carries out function point analysis.It should be noted that at other
In embodiment, the multiple frequency separations of setting, corresponding different control instruction can according to need.It in other embodiments, can be with
Multiple difference sections are further set, and different difference sections correspond to different control instructions.
The remote control system based on sound wave that the present embodiment proposes, under sound wave controlled mode, continual output
The ultrasonic wave of certain predetermined frequency, remote control device obtain the frequency of ultrasonic wave and are loaded onto frequency when detecting ultrasonic wave
It is sent to controlled terminal in telecommand, when user needs to adjust controlled terminal, it is close or separate that remote control device can be held
Controlled terminal, the frequency values that such controlled terminal receives can be not identical as the predeterminated frequency of transmission, and controlled terminal can basis
Frequency values are corresponding with the progress of the comparison result of predeterminated frequency to be adjusted；The present invention operates remote keying without user, controls
Remote control device processed is close with respect to controlled terminal or separate, and the adjusting to controlled terminal can be realized, solve in the prior art
Lead to not the problem of accurately adjusting controlled terminal because user presses the wrong button.
The first embodiment of remote control system based on invention based on sound wave proposes that the present invention is based on the remote control controls of sound wave
The second embodiment of system processed.In the present embodiment, the difference of described device and first embodiment is:
Sound wave output module 10 is also used to export the ultrasonic wave for being loaded with the predeterminated frequency of identification information in real time, for institute
Remote control device is stated when detecting the ultrasonic wave with the identification information, detects the frequency values of the ultrasonic wave and by the frequency
Rate value is loaded onto the telecommand.
Since existing some other household electrical appliances may also have the function of sending ultrasonic wave, in order to avoid other equipment sending
Ultrasonic signal interference, can to television set issue ultrasonic signal carry out load identification information, remote control device only has
When detecting the ultrasonic wave with the identification information, just the frequency values of the ultrasonic wave are loaded in telecommand and carried out distant
The transmission of instruction is controlled, such as can be using ultrasonic wave as carrier wave, the data content for including by identification information is loaded onto ultrasonic wave.
Further, referring to shown in Fig. 4, it is somebody's turn to do the remote control system based on sound wave further include:
Mode switch module 40, in the instruction for receiving the unlatching sound wave controlled mode that the remote control device is sent
When, switch to the sound wave controlled mode, wherein the remote control device when detecting ambient brightness lower than predetermined luminance, to
Television sends the instruction for opening sound wave controlled mode；
Trigger module 50, the trigger module 50 are used for when switching to the sound wave controlled mode, and triggering sound wave exports mould
Block 10 exports the ultrasonic wave of predeterminated frequency in real time so that remote control device receives and detects.
In the present embodiment, when controlled terminal is in the instruction for the unlatching sound wave controlled mode for receiving remote control device transmission
When, mode switch module 40 controls controlled terminal and switches to sound wave controlled mode, to avoid that can be normally carried out by key control
When, controlled terminal is still in moment ceaselessly output ultrasonic wave, to save electricity.
Brightness impression device is set in remote control device, can real-time detection ambient brightness, when detecting that ambient brightness is low
When predetermined luminance, the instruction for sending unlatching sound wave controlled mode to controlled terminal switches to sound wave controlled mould to control television
Formula.Further, when detecting that ambient brightness restores to be higher than predetermined luminance, then automatic to send instruction, control controlled terminal moves back
Sound wave control model out stops the output of ultrasonic wave.
The remote control system based on sound wave that the present embodiment proposes, loads identification information in the ultrasonic wave of output, with
The interference for the ultrasonic signal for avoiding other equipment from exporting, enhances the accuracy of adjusting, moreover, controlled terminal can pass through instruction
Automatically switch between sound wave controlled mode and general modfel, without manually adjusting.
The first embodiment of remote control system based on invention based on sound wave proposes that the present invention is based on the remote control controls of sound wave
The 3rd embodiment of system processed.In the present embodiment, the difference of described device and first embodiment is:
Function point analysis module 30 includes following refinement unit:
Second difference acquiring unit, for obtaining the difference of the frequency values Yu the predeterminated frequency；
Second function point analysis unit, for when the frequency values and the predeterminated frequency got in preset duration
When difference is respectively positioned on pre-set interval, adjusted accordingly according to the corresponding regulating command of the pre-set interval.
In order to enhance the accuracy of adjusting, the case where causing mistake to adjust because of the maloperation of user is avoided, is increased pre-
If duration is as Rule of judgment.No matter whether user operates remote control device, and remote control device all can constantly export inspection
The frequency measured, controlled terminal can constantly get frequency values.
The function that the pre-set interval can be adjusted according to the needs is configured two or more, different sections
Corresponding different regulating command, by taking television set as an example, when difference is greater than 0KHz and is less than 10KHz, for channel plus, when difference is big
It is channel down when -10KHz is less than 0KHz.
Time set can be set in controlled terminal or utilize original time set in controlled terminal, it is poor second
When the difference of the frequency values and the predeterminated frequency that value acquiring unit is got is greater than zero, start timing, is equal to when accumulative
Or when being greater than preset duration, controlled terminal is adjusted according to the first preset instructions in the second function point analysis unit, if timing
Not up to preset duration when, the difference of the frequency values that get and the predeterminated frequency is less than or equal to zero, then will meter
When reset, as procedure described above, when the difference of frequency values and predeterminated frequency reaches preset condition and the cumulative time reaches default
When long, the second function point analysis unit adjusts controlled terminal according to corresponding instruction.
The remote control system based on sound wave that the present embodiment proposes leads to mistake in order to avoid the maloperation because of user
The case where mistuning section, increases preset duration as Rule of judgment, enhances the accuracy of adjusting.
The above is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of method for remotely controlling based on sound wave, which is characterized in that the method for remotely controlling based on sound wave includes:
Controlled terminal exports the ultrasonic wave of predeterminated frequency in real time so that remote control device receives and detects；
When the controlled terminal receives the telecommand of remote control device transmission, the remote control dress is obtained from the telecommand
Set the frequency values of the ultrasonic wave detected, wherein the remote control device is remotely controlled the coding of instruction using coded format
Control；
The frequency values and the predeterminated frequency are compared by the controlled terminal, and generate corresponding control according to comparison result
System instruction.
2. the method for remotely controlling according to claim 1 based on sound wave, which is characterized in that the controlled terminal is defeated in real time
Before the ultrasonic wave of predeterminated frequency is out for the step of remote control device is received and detected, the method for remotely controlling based on sound wave
Further include:
The controlled terminal switches to described when receiving the instruction for the unlatching sound wave controlled mode that the remote control device is sent
Sound wave controlled mode, wherein the remote control device is when detecting ambient brightness lower than predetermined luminance, to described in television transmission
Open the instruction of sound wave controlled mode；
The controlled terminal executes the ultrasonic wave of output predeterminated frequency when switching to the sound wave controlled mode for remote control dress
The step of setting reception and detecting.
3. the method for remotely controlling according to claim 1 based on sound wave, which is characterized in that the controlled terminal is defeated in real time
The step of ultrasonic wave of predeterminated frequency includes: out
The controlled terminal exports the ultrasonic wave for being loaded with the predeterminated frequency of identification information in real time, so that the remote control device is being examined
When measuring the ultrasonic wave with the identification information, detects the frequency values of the ultrasonic wave and be loaded onto the frequency values described
In telecommand.
4. the method for remotely controlling according to claim 1 based on sound wave, which is characterized in that the controlled terminal will be described
Frequency values and the predeterminated frequency are compared, and the step of generating corresponding control instruction according to comparison result includes:
The controlled terminal obtains the difference of the frequency values Yu the predeterminated frequency；
When the difference of the frequency values and the predeterminated frequency is greater than zero, the controlled terminal is carried out according to the first preset instructions
Adjust, when the difference of the frequency values and the predeterminated frequency is less than zero, the controlled terminal according to the second preset instructions into
Row is adjusted.
5. the method for remotely controlling according to claim 1 based on sound wave, which is characterized in that the controlled terminal will be described
Frequency values and the predeterminated frequency are compared, and the step of generating corresponding control instruction according to comparison result includes:
The controlled terminal obtains the difference of the frequency values Yu the predeterminated frequency；
It is described when the difference of the frequency values and the predeterminated frequency that get in preset duration is respectively positioned on pre-set interval
Controlled terminal is adjusted accordingly according to the corresponding regulating command of the pre-set interval.
6. a kind of remote control system based on sound wave, which is characterized in that the remote control system based on sound wave includes:
Sound wave output module, for exporting the ultrasonic wave of predeterminated frequency in real time so that remote control device receives and detects；
Frequency acquisition module, for obtaining institute from the telecommand when receiving the telecommand of remote control device transmission
State the frequency values for the ultrasonic wave that remote control device detects, wherein the remote control device is remotely controlled finger using coded format
The coding-control of order；
Function point analysis module generates phase for being compared the frequency values and the predeterminated frequency, and according to comparison result
The control instruction answered.
7. the remote control system according to claim 6 based on sound wave, which is characterized in that the remote control based on sound wave
Control system further include:
Mode switch module, for switching when receiving the instruction for the unlatching sound wave controlled mode that the remote control device is sent
To the sound wave controlled mode, wherein the remote control device is sent out when detecting ambient brightness lower than predetermined luminance to television
Send the instruction for opening sound wave controlled mode；
Trigger module, for when switching to the sound wave controlled mode, triggering the sound wave output module output predeterminated frequency
Ultrasonic wave so that remote control device receives and detects.
8. the remote control system according to claim 6 based on sound wave, which is characterized in that the sound wave output module,
It is also used to export the ultrasonic wave for being loaded with the predeterminated frequency of identification information in real time, so that the remote control device is being detected with institute
When stating the ultrasonic wave of identification information, detects the frequency values of the ultrasonic wave and the frequency values are loaded onto the telecommand
In.
9. the remote control system according to claim 6 based on sound wave, which is characterized in that the function point analysis module packet
It includes:
First difference acquiring unit, for obtaining the difference of the frequency values Yu the predeterminated frequency；
First function point analysis unit, it is pre- according to first for when the difference of the frequency values and the predeterminated frequency is greater than zero
If instruction is adjusted, when the difference of the frequency values and the predeterminated frequency is less than zero, carried out according to the second preset instructions
It adjusts.
10. the remote control system according to claim 6 based on sound wave, which is characterized in that the function point analysis module
Include:
Second difference acquiring unit, for obtaining the difference of the frequency values Yu the predeterminated frequency；
Second function point analysis unit, for the difference when the frequency values and the predeterminated frequency that are got in preset duration
When being respectively positioned on pre-set interval, adjusted accordingly according to the corresponding regulating command of the pre-set interval.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510823898.7A CN105336150B (en) | 2015-11-23 | 2015-11-23 | Method for remotely controlling and system based on sound wave |
| PCT/CN2016/084253 WO2017088428A1 (en) | 2015-11-23 | 2016-06-01 | Sound wave-based remote control method and system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510823898.7A CN105336150B (en) | 2015-11-23 | 2015-11-23 | Method for remotely controlling and system based on sound wave |
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| CN105336150B true CN105336150B (en) | 2019-02-26 |
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| CN105336150B (en) * | 2015-11-23 | 2019-02-26 | 深圳Tcl数字技术有限公司 | Method for remotely controlling and system based on sound wave |
| CN106686430A (en) * | 2016-07-14 | 2017-05-17 | 乐视控股（北京）有限公司 | Movement state recognition method, apparatus and system |
| US10976432B2 (en) * | 2019-06-28 | 2021-04-13 | Synaptics Incorporated | Acoustic locationing for smart environments |
| CN111161523A (en) * | 2019-12-31 | 2020-05-15 | 联想(北京)有限公司 | Processing method and device |
| CN113593571A (en) * | 2021-07-30 | 2021-11-02 | 思必驰科技股份有限公司 | Sound information transmission method and device |
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| WO2017088428A1 (en) | 2017-06-01 |
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