CN108307012A - The control system and method for mobile terminal and receiver - Google Patents
The control system and method for mobile terminal and receiver Download PDFInfo
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- CN108307012A CN108307012A CN201810069386.XA CN201810069386A CN108307012A CN 108307012 A CN108307012 A CN 108307012A CN 201810069386 A CN201810069386 A CN 201810069386A CN 108307012 A CN108307012 A CN 108307012A
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- voice coil
- receiver
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- voltage amplitude
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/03—Constructional features of telephone transmitters or receivers, e.g. telephone hand-sets
Abstract
The invention discloses the control systems and method of a kind of mobile terminal and receiver.Wherein, the control system of receiver includes：Receiving module, detection module and processing module；The receiving module and the detection module are electrically connected with the voice coil of receiver；The detection module is also electrically connected with the processing module；The receiving module is for receiving audio electrical signal and being input to the voice coil；The detection module is used to detect the current resistive value of the voice coil；The processing module is used to calculate the maximum permissible voltage amplitude of the audio electrical signal according to the maximum linear displacement of the current resistive value and the voice coil, and the current voltage amplitude of the audio electrical signal is adjusted to the maximum permissible voltage amplitude or less.The present invention realizes the feedback control to receiver, it is ensured that the voltage magnitude of audio electrical signal unsweet sound phenomenon occurs in maximum permissible voltage amplitude hereinafter, avoiding receiver always.
Description
Technical field
The present invention relates to technical field of electronic products, more particularly to control system and the side of a kind of mobile terminal and receiver
Method.
Background technology
The driver of existing receiver is unidirectional drive type, and audio electrical signal U is also input to the voice coil of receiver, and
The power for controlling receiver is no more than rated power Pe, realize and audio electrical signal be converted into voice signal.Due to Pe=URMS 2/
R, URMSFor rated voltage, R is voice coil resistance value (being usually set to 32 Ω), therefore the power for controlling receiver is no more than specified work(
Rate Pe, namely the average magnitude for the audio electrical signal U for inputting voice coil is controlled no more than URMS。
In the prior art, the Oscillation Amplitude of this unidirectional drive mode of receiver, voice coil is uncontrolled, Chang Huifa
Life causes the Oscillation Amplitude of voice coil excessive and distorsion line phenomenon occurs because the moment amplitude of audio electrical signal U is excessive.
Invention content
The technical problem to be solved by the present invention is in order to overcome the Oscillation Amplitude of voice coil in the prior art uncontrolled, cause sound
The Oscillation Amplitude of circle is excessive and the defect of distorsion line phenomenon occurs, provides control system and the side of a kind of mobile terminal and receiver
Method.
The present invention is to solve above-mentioned technical problem by following technical proposals：
A kind of control system of receiver, the receiver, including voice coil；
The control system, including：Receiving module, detection module and processing module；
The receiving module and the detection module are electrically connected with the voice coil；The detection module also with the processing
Module is electrically connected；
The receiving module is for receiving audio electrical signal and being input to the voice coil；
The detection module is used to detect the current resistive value of the voice coil；
The processing module is used to calculate the sound according to the maximum linear displacement of the current resistive value and the voice coil
The maximum permissible voltage amplitude of frequency electric signal, and the current voltage amplitude of the audio electrical signal is adjusted to described maximum allowable
Below voltage magnitude.
Optionally, the receiver further includes sound chamber；The voice coil is located in the sound chamber；
The processing module includes：Temperature calculation unit, frequency computing unit and amplitude computing unit；
The frequency computing unit is electrically connected with the temperature calculation unit and the amplitude computing unit respectively；
The temperature calculation unit, the Current Temperatures for calculating the voice coil according to the current resistive value；
The frequency computing unit, the resonant frequency for calculating the sound chamber according to the Current Temperatures；
The amplitude computing unit, it is described maximum fair for being calculated according to the resonant frequency and the maximum linear displacement
Perhaps voltage magnitude.
Optionally, the temperature calculation unit is specifically used for calculating the Current Temperatures by following formula：
Wherein, T is the Current Temperatures of the voice coil, and R is the current resistive value of the voice coil, ReFor the direct current of the voice coil
Resistance, TcoefFor the characteristic temperature coefficient of the voice coil, T0For the initial temperature of the voice coil.
Optionally, the frequency computing unit is specifically used for calculating the resonant frequency by following formula：
Wherein, f is resonant frequency, KmsFor the coefficient of impact of the voice coil under the Current Temperatures, MmsFor the sound chamber
Equivalent oscillating mass.
Optionally, the amplitude computing unit is specifically used for calculating the maximum permissible voltage amplitude by following formula：
The U0For maximum permissible voltage amplitude, η0To refer to electro-acoustic conversion efficiency, XmaxFor the maximum linear of the voice coil
Displacement, a are the equivalent redius of the sound chamber.
Optionally, the processing module further includes：Digital signal processor, power amplifier and boost booster circuits；
The input terminal of the digital signal processor is electrically connected with the receiving module, the digital signal processor it is defeated
Outlet is electrically connected with the input terminal of the power amplifier, and the output end of the power amplifier is electrically connected with the voice coil, institute
The output end for stating boost booster circuits is electrically connected with the feeder ear of the power amplifier, the control of the boost booster circuits
End is electrically connected with the amplitude computing unit；
The digital signal processor is used to acquire the current voltage amplitude of the audio electrical signal and is input to the work(
Rate amplifier；
The boost booster circuits are used to generate supply voltage according to the maximum permissible voltage amplitude and be input to described
Power amplifier；
The power amplifier is used to adjust the current voltage amplitude according to the supply voltage.
The present invention also provides a kind of control method of receiver, the receiver, including voice coil；
The control method includes：
Audio electrical signal is input to the voice coil；
Detect the current resistive value of the voice coil；
The maximum that the audio electrical signal is calculated according to the maximum linear displacement of the current resistive value and the voice coil permits
Perhaps voltage magnitude, and the current voltage amplitude of the audio electrical signal is adjusted to the maximum permissible voltage amplitude or less.
Optionally, the receiver further includes sound chamber；The voice coil is located in the sound chamber；
The maximum linear displacement according to the current resistive value and the receiver calculates the audio electrical signal
Maximum permissible voltage amplitude, including：
The Current Temperatures of the voice coil are calculated according to the current resistive value；
The resonant frequency of the sound chamber is calculated according to the Current Temperatures；
The maximum permissible voltage amplitude is calculated according to the resonant frequency and the maximum linear displacement.
Optionally, the Current Temperatures that the voice coil is calculated according to the current resistive value, specifically include：
The Current Temperatures are calculated by following formula；
Wherein, T is the Current Temperatures of the voice coil, and R is the current resistive value of the voice coil, ReFor the direct current of the voice coil
Resistance, TcoefFor the characteristic temperature coefficient of the voice coil, T0For the initial temperature of the voice coil.
Optionally, the resonant frequency that the sound chamber is calculated according to the Current Temperatures, specifically includes：
The resonant frequency is calculated by following formula；
Wherein, f is resonant frequency, KmsFor the coefficient of impact of the voice coil under the Current Temperatures, MmsFor the sound chamber
Equivalent oscillating mass.
Optionally, described that the maximum permissible voltage width is calculated according to the resonant frequency and the maximum linear displacement
Value, specifically includes：
The maximum permissible voltage amplitude is calculated by following formula；
The U0For maximum permissible voltage amplitude, η0To refer to electro-acoustic conversion efficiency, XmaxFor the maximum linear of the voice coil
Displacement, a are the equivalent redius of the sound chamber.
The present invention also provides a kind of mobile terminal, the mobile terminal includes the control of receiver and receiver as described above
System processed.
The positive effect of the present invention is that：The present invention realizes the feedback control to receiver, it is ensured that voiceband telecommunication
Number voltage magnitude always in maximum permissible voltage amplitude hereinafter, so that it is guaranteed that the Oscillation Amplitude of voice coil is consistently less than voice coil most
Big linear displacement avoids receiver and unsweet sound phenomenon occurs.
Description of the drawings
Fig. 1 is the structural schematic diagram of receiver.
Fig. 2 is the module diagram of the control system of the receiver of the embodiment of the present invention 1.
Fig. 3 is the module diagram of the control system of the receiver of the embodiment of the present invention 2.
Fig. 4 is the flow chart of the control method of the receiver of the embodiment of the present invention 3.
Fig. 5 is the flow chart of the control method of the receiver of the embodiment of the present invention 4.
Fig. 6 is the module diagram of the mobile terminal of the embodiment of the present invention 5.
Specific implementation mode
It is further illustrated the present invention below by the mode of embodiment, but does not therefore limit the present invention to the reality
It applies among a range.
Embodiment 1
The present embodiment provides a kind of control system of receiver, which is suitable for all kinds of terminals for including receiver
Equipment.In order to better understand the present invention relative to the improvement made by the prior art, to the present invention specific embodiment party
Formula first illustrates the structure of receiver and operation principle before being described in detail：
As shown in Figure 1, receiver includes voice coil 11, sound chamber 12, permanent magnet 13 and vibrating diaphragm 14, voice coil 11,13 and of permanent magnet
Vibrating diaphragm 14 is set in sound chamber 12, and voice coil 11 is connect with vibrating diaphragm 14.When there is audio electrical signal to input voice coil 11, in voiceband telecommunication
Number under magnetic fields, voice coil 11 generates driving force, vibrates after 14 stress of vibrating diaphragm, and the air in compressing sound chamber 12 generates sound,
The audio electrical signal is converted into voice signal to realize.It should be noted that voice coil 11 cannot jump out magnetic gap, Ye Jiyin
Circle 11 amplitude cannot be more than voice coil 11 maximum linear displacement (maximum linear displacement be characterize receiver performance parameter,
Depend primarily on magnetic structure and voice coil volume be wide), it otherwise will produce prodigious non-linear distortion (showing as amplitude anomaly sound), very
The damage of voice coil 11 (stuck or burn) can extremely be caused.
As shown in Fig. 2, the control system of the present embodiment includes：Receiving module 21, detection module 22 and processing module 23.It connects
It receives module 21 and detection module 22 is electrically connected with voice coil 11, detection module 22 is also electrically connected with processing module 23.
The operation principle of the control system of the present embodiment introduced below：
Receiving module 21 receives audio electrical signal, and the audio electrical signal is generally defeated by the audio frequency control module of terminal device
Go out.The audio electrical signal is input to voice coil 11 by receiving module 21.After receiving module 21 receives audio electrical signal, mould is detected
Block 22 detects the current resistive value of voice coil 11 and is sent to processing module 23 in real time.Processing module 23 is according to current resistive value and sound
The maximum linear displacement of circle 11 calculates the maximum permissible voltage amplitude of audio electrical signal, and by the current voltage width of audio electrical signal
Value is adjusted to maximum permissible voltage amplitude or less.Wherein, maximum permissible voltage amplitude namely when the amplitude of voice coil 11 is in max line
The amplitude of corresponding audio electrical signal when property displacement.
The control system of the present embodiment realizes the feedback control to receiver, it is ensured that the voltage magnitude of audio electrical signal begins
It is kept away eventually hereinafter, so that it is guaranteed that the Oscillation Amplitude of voice coil is consistently less than the maximum linear displacement of voice coil in maximum permissible voltage amplitude
Exempt from receiver and unsweet sound phenomenon occurs.
Embodiment 2
On the basis of embodiment 1, as shown in figure 3, the processing module 23 of the present embodiment includes：Temperature calculation unit 231,
Frequency computing unit 232 and amplitude computing unit 233.Frequency computing unit 232 respectively with temperature calculation unit 231 and crest meter
It calculates unit 233 to be electrically connected, temperature calculation unit 231 is also electrically connected with detection module 22.
A kind of processing module presented below calculates the concrete implementation mode of maximum permissible voltage amplitude：
Current resistive value is sent to processing module 23 by detection module 22, and temperature calculation unit 231 is then according to the current electricity
The Current Temperatures of computing the resistor value voice coil 11.Specifically, temperature calculation unit 231 calculates Current Temperatures by following formula：
Wherein, T is the Current Temperatures of voice coil, and R is the current resistive value of voice coil, ReFor the D.C. resistance of voice coil, TcoefFor sound
The characteristic temperature coefficient of circle, T0For the initial temperature of voice coil.
Frequency computing unit 232 calculates the resonant frequency of sound chamber 12 according to Current Temperatures.Specifically, frequency computing unit is logical
It crosses following formula and calculates resonant frequency：
Wherein, f is resonant frequency, KmsFor the coefficient of impact of the voice coil under Current Temperatures, MmsFor the equivalent vibration matter of sound chamber
Amount.
Amplitude computing unit 233 calculates maximum permissible voltage amplitude according to resonant frequency and maximum linear displacement.Specifically,
Amplitude computing unit calculates maximum permissible voltage amplitude by following formula：
U0For maximum permissible voltage amplitude, η0To refer to electro-acoustic conversion efficiency, XmaxFor the maximum linear displacement of voice coil, a is
The equivalent redius of sound chamber.
In the present embodiment, the D.C. resistance of voice coil, the characteristic temperature coefficient of voice coil, the initial temperature of voice coil, sound chamber etc.
The equivalent redius of effect oscillating mass, the coefficient of impact of voice coil and sound chamber is the parameter for characterizing receiver performance.Wherein, voice coil
D.C. resistance, the characteristic temperature coefficient of voice coil, the initial temperature of voice coil, sound chamber equivalent oscillating mass and sound chamber equivalent redius
For constant；The coefficient of impact of voice coil is variable, is obtained according to the Current Temperatures of the correspondence and voice coil of temperature and the coefficient of impact
It takes.
A kind of processing module presented below adjusts the concrete implementation mode of the current voltage amplitude of audio electrical signal：
Referring to Fig. 3, the processing module of the present embodiment further includes：Digital signal processor 234,235 and of power amplifier
Boost booster circuits 236.The input terminal of digital signal processor 234 is electrically connected with receiving module 21, digital signal processor
234 output end is electrically connected with the input terminal of power amplifier 235, and the output end of power amplifier 235 is electrically connected with voice coil 11,
The output end of boost booster circuits 236 is electrically connected with the feeder ear of power amplifier 235, the control of boost booster circuits 236
End is electrically connected with amplitude computing unit 233.
When adjusting the voltage magnitude of audio electrical signal, digital signal processor 234 acquires the current voltage of audio electrical signal
Amplitude and signal frequency are simultaneously input to power amplifier 235.Boost booster circuits 236 are calculated according to amplitude computing unit 233
To maximum permissible voltage amplitude generate supply voltage and be input to power amplifier 235, determine that power is put according to supply voltage
The amplification factor of big device 235 realizes adjusting of the power amplifier 235 to current voltage amplitude.
In the present embodiment, realized to called using boost booster circuits and digital signal processor and power amplifier
Device accurately controls, it is ensured that the current voltage amplitude of audio electrical signal is always in maximum permissible voltage amplitude hereinafter, not only avoid
The non-linear distortion of audio electrical signal, the General Promotion sound quality and loudness of receiver, while also substantially reducing receiver
Consumption power.
Embodiment 3
The control method of the receiver provided based on above-described embodiment is provided.As shown in figure 4, the present embodiment is called
The control method of device includes the following steps：
Audio electrical signal is input to voice coil by step 101.
Step 102, the current resistive value for detecting voice coil.
Step 103, the maximum allowable electricity that audio electrical signal is calculated according to the maximum linear displacement of current resistive value and voice coil
Pressure amplitude value.
Wherein, the maximum linear displacement of voice coil be characterize receiver performance parameter, depend primarily on magnetic structure and
Voice coil volume is wide.
The current voltage amplitude of audio electrical signal is adjusted to maximum permissible voltage amplitude or less by step 104.
Wherein, maximum permissible voltage amplitude namely the corresponding audio electrical signal when the amplitude of voice coil is in maximum linear displacement
Amplitude.
The control of the present embodiment realizes the feedback control to receiver, it is ensured that the voltage magnitude of audio electrical signal exists always
Maximum permissible voltage amplitude avoids hereinafter, so that it is guaranteed that the Oscillation Amplitude of voice coil is consistently less than the maximum linear displacement of voice coil
There is unsweet sound phenomenon in receiver.
Embodiment 4
On the basis of embodiment 3, as shown in figure 5, in the present embodiment, step 103 specifically includes：
Step 103-1, the Current Temperatures of voice coil are calculated according to current resistive value.
Preferably, in step 103-1, Current Temperatures are calculated by following formula；
Wherein, T is the Current Temperatures of voice coil, and R is the current resistive value of voice coil, ReFor the D.C. resistance of voice coil, TcoefFor sound
The characteristic temperature coefficient of circle, T0For the initial temperature of voice coil.
Step 103-2, the resonant frequency of sound chamber is calculated according to Current Temperatures.
Preferably, in step 103-2, resonant frequency is calculated by following formula：
Wherein, f is resonant frequency, KmsFor the coefficient of impact of the voice coil under Current Temperatures, MmsFor the equivalent vibration matter of sound chamber
Amount.
Step 103-3, maximum permissible voltage amplitude is calculated according to resonant frequency and maximum linear displacement.
Preferably, in step 103-3, maximum permissible voltage amplitude is calculated by following formula：
U0For maximum permissible voltage amplitude, η0To refer to electro-acoustic conversion efficiency, XmaxFor the maximum linear displacement of voice coil, a is
The equivalent redius of sound chamber.
In the present embodiment, the D.C. resistance of voice coil, the characteristic temperature coefficient of voice coil, the initial temperature of voice coil, sound chamber etc.
The equivalent redius of effect oscillating mass, the coefficient of impact of voice coil and sound chamber is the parameter for characterizing receiver performance.Wherein, voice coil
D.C. resistance, the characteristic temperature coefficient of voice coil, the initial temperature of voice coil, sound chamber equivalent oscillating mass and sound chamber equivalent redius
For constant；The coefficient of impact of voice coil is variable, is obtained according to the Current Temperatures of the correspondence and voice coil of temperature and the coefficient of impact
It takes.
The control method of the present embodiment, which realizes, accurately controls receiver, it is ensured that the current voltage width of audio electrical signal
For value always in maximum permissible voltage amplitude hereinafter, not only avoid the non-linear distortion of audio electrical signal, General Promotion is called
The sound quality and loudness of device, while also substantially reducing the consumption power of receiver.
Embodiment 5
The present embodiment provides a kind of mobile terminals, as shown in fig. 6, the mobile terminal includes receiver 10, audio frequency control mould
The control system 31 of block 32, processor 33 and the receiver in any of the above-described embodiment.Certainly, mobile terminal should also include communication
Other components such as module, display unit and sensor, details are not described herein.Audio frequency control module 32 respectively with processor 33 and
Receiver 10 is electrically connected, and receiver 10 is also electrically connected with the control system of receiver 31.
In the present embodiment, audio frequency control module 32 exports audio electrical signal to receiver 10 under the control of processor 33,
Control system 31 adjusts the audio electrical signal for inputting receiver 10 in real time, it is ensured that the voltage magnitude of audio electrical signal is always
In maximum permissible voltage amplitude hereinafter, realizing the feedback control to receiver, the sound quality of receiver is not only increased, is also reduced
The power consumption of receiver, effectively extends cruise duration and the usage time of the battery of mobile terminal.
Although specific embodiments of the present invention have been described above, it will be appreciated by those of skill in the art that this is only
For example, protection scope of the present invention is to be defined by the appended claims.Those skilled in the art without departing substantially from
Under the premise of the principle and substance of the present invention, many changes and modifications may be made, but these change and
Modification each falls within protection scope of the present invention.
Claims (12)
1. a kind of control system of receiver, which is characterized in that the receiver, including voice coil；
The control system, including：Receiving module, detection module and processing module；
The receiving module and the detection module are electrically connected with the voice coil；The detection module also with the processing module
Electrical connection；
The receiving module is for receiving audio electrical signal and being input to the voice coil；
The detection module is used to detect the current resistive value of the voice coil；
The processing module is used to calculate the audio-frequency electric according to the maximum linear displacement of the current resistive value and the voice coil
The maximum permissible voltage amplitude of signal, and the current voltage amplitude of the audio electrical signal is adjusted to the maximum permissible voltage
Below amplitude.
2. control system as described in claim 1, which is characterized in that the receiver further includes sound chamber；The voice coil is located at
In the sound chamber；
The processing module includes：Temperature calculation unit, frequency computing unit and amplitude computing unit；
The frequency computing unit is electrically connected with the temperature calculation unit and the amplitude computing unit respectively；
The temperature calculation unit, the Current Temperatures for calculating the voice coil according to the current resistive value；
The frequency computing unit, the resonant frequency for calculating the sound chamber according to the Current Temperatures；
The amplitude computing unit, for calculating the maximum allowable electricity according to the resonant frequency and the maximum linear displacement
Pressure amplitude value.
3. control system as claimed in claim 2, which is characterized in that the temperature calculation unit is specifically used for by following public
Formula calculates the Current Temperatures：
Wherein, T is the Current Temperatures of the voice coil, and R is the current resistive value of the voice coil, ReFor the D.C. resistance of the voice coil,
TcoefFor the characteristic temperature coefficient of the voice coil, T0For the initial temperature of the voice coil.
4. control system as claimed in claim 3, which is characterized in that the frequency computing unit is specifically used for by following public
Formula calculates the resonant frequency：
Wherein, f is resonant frequency, KmsFor the coefficient of impact of the voice coil under the Current Temperatures, MmsFor the sound chamber etc.
Imitate oscillating mass.
5. control system as claimed in claim 4, which is characterized in that the amplitude computing unit is specifically used for by following public
Formula calculates the maximum permissible voltage amplitude：
The U0For maximum permissible voltage amplitude, η0To refer to electro-acoustic conversion efficiency, XmaxFor the maximum linear displacement of the voice coil,
A is the equivalent redius of the sound chamber.
6. control system as claimed in claim 2, which is characterized in that the processing module further includes：Digital signal processor,
Power amplifier and boost booster circuits；
The input terminal of the digital signal processor is electrically connected with the receiving module, the output end of the digital signal processor
It is electrically connected with the input terminal of the power amplifier, the output end of the power amplifier is electrically connected with the voice coil, described
The output end of boost booster circuits is electrically connected with the feeder ear of the power amplifier, the control terminal of the boost booster circuits
It is electrically connected with the amplitude computing unit；
The digital signal processor is used to acquire the current voltage amplitude of the audio electrical signal and is input to the power and puts
Big device；
The boost booster circuits are used to generate supply voltage according to the maximum permissible voltage amplitude and are input to the power
Amplifier；
The power amplifier is used to adjust the current voltage amplitude according to the supply voltage.
7. a kind of control method of receiver, which is characterized in that the receiver, including voice coil；
The control method includes：
Audio electrical signal is input to the voice coil；
Detect the current resistive value of the voice coil；
The maximum allowable electricity of the audio electrical signal is calculated according to the maximum linear displacement of the current resistive value and the voice coil
Pressure amplitude value, and the current voltage amplitude of the audio electrical signal is adjusted to the maximum permissible voltage amplitude or less.
8. control method as claimed in claim 7, which is characterized in that the receiver further includes sound chamber；The voice coil is located at
In the sound chamber；
The maximum linear displacement according to the current resistive value and the receiver calculates the maximum of the audio electrical signal
Allow voltage magnitude, including：
The Current Temperatures of the voice coil are calculated according to the current resistive value；
The resonant frequency of the sound chamber is calculated according to the Current Temperatures；
The maximum permissible voltage amplitude is calculated according to the resonant frequency and the maximum linear displacement.
9. control method as claimed in claim 8, which is characterized in that described to calculate the voice coil according to the current resistive value
Current Temperatures, specifically include：
The Current Temperatures are calculated by following formula；
Wherein, T is the Current Temperatures of the voice coil, and R is the current resistive value of the voice coil, ReFor the D.C. resistance of the voice coil,
TcoefFor the characteristic temperature coefficient of the voice coil, T0For the initial temperature of the voice coil.
10. control method as claimed in claim 9, which is characterized in that described to calculate the sound chamber according to the Current Temperatures
Resonant frequency, specifically include：
The resonant frequency is calculated by following formula；
Wherein, f is resonant frequency, KmsFor the coefficient of impact of the voice coil under the Current Temperatures, MmsFor the sound chamber etc.
Imitate oscillating mass.
11. control method as claimed in claim 10, which is characterized in that described according to the resonant frequency and the max line
Property displacement calculate the maximum permissible voltage amplitude, specifically include：
The maximum permissible voltage amplitude is calculated by following formula；
The U0For maximum permissible voltage amplitude, η0To refer to electro-acoustic conversion efficiency, XmaxFor the maximum linear displacement of the voice coil,
A is the equivalent redius of the sound chamber.
12. a kind of mobile terminal, which is characterized in that the mobile terminal includes any one in receiver and such as claim 1-6
The control system of receiver described in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810069386.XA CN108307012B (en) | 2018-01-24 | 2018-01-24 | Mobile terminal and control system and method of telephone receiver |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810069386.XA CN108307012B (en) | 2018-01-24 | 2018-01-24 | Mobile terminal and control system and method of telephone receiver |
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| CN108307012A true CN108307012A (en) | 2018-07-20 |
| CN108307012B CN108307012B (en) | 2021-03-26 |
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ID=62866133
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| CN201810069386.XA Active CN108307012B (en) | 2018-01-24 | 2018-01-24 | Mobile terminal and control system and method of telephone receiver |
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| CN108307012B (en) | 2021-03-26 |
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