CN109218503A - Directional loudspeaker, mobile terminal radiation protection system and method - Google Patents

Directional loudspeaker, mobile terminal radiation protection system and method Download PDF

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Publication number
CN109218503A
CN109218503A CN201811143235.0A CN201811143235A CN109218503A CN 109218503 A CN109218503 A CN 109218503A CN 201811143235 A CN201811143235 A CN 201811143235A CN 109218503 A CN109218503 A CN 109218503A
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CN
China
Prior art keywords
mobile terminal
signal
controller
module
wearable device
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Granted
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CN201811143235.0A
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Chinese (zh)
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CN109218503B (en
Inventor
范景华
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Inventec Appliances Shanghai Corp
Inventec Appliances Pudong Corp
Inventec Appliances Corp
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Inventec Appliances Shanghai Corp
Inventec Appliances Pudong Corp
Inventec Appliances Corp
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Priority to CN201811143235.0A priority Critical patent/CN109218503B/en
Publication of CN109218503A publication Critical patent/CN109218503A/en
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/60Substation equipment, e.g. for use by subscribers including speech amplifiers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/72Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/724User interfaces specially adapted for cordless or mobile telephones
    • H04M1/72448User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions
    • H04M1/72454User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions according to context-related or environment-related conditions
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00Details of transducers, loudspeakers or microphones
    • H04R1/20Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/323Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only for loudspeakers

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Environmental & Geological Engineering (AREA)
  • Human Computer Interaction (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Telephone Function (AREA)

Abstract

The present invention provides a kind of directional loudspeakers, mobile terminal radiation protection system and method, directional loudspeaker includes: that bluetooth module receives the audio signal from mobile terminal, and it is transmitted to signal processing module, signal processing module carries out distortion pretreatment to audio signal, and processed audio signal and ultrasonic carrier signal are subjected to amplitude modulation, generate ultrasonic wave modulation signal, power amplifier module amplifies ultrasonic wave modulation signal, and the nonlinear effect self-control generated when being propagated in air using the signal regenerates new audio signal, loudspeaking module plays new audio signal, to realize orientation loudspeaking.Directional loudspeaker is arranged in mobile terminal; it is transformed from without the appearance to mobile terminal; after having used directional loudspeaker; mobile terminal, which can be used, keeps certain distance to converse; call sound is set to be transferred to user in fixed range; it avoids influencing other people, both plays the role of radiation protection, also can protect individual privacy.

Description

Directional loudspeaker, mobile terminal radiation protection system and method
Technical field
The present invention relates to electronic technology field, in particular to a kind of directional loudspeaker, mobile terminal radiation protection system and side Method.
Background technique
With the fast development of economic and technical, microwave communication and mobile Internet rapid proliferation, mobile communication become people Daily too busy to get away daily necessities.For mobile communication from 2G, 3G to 4G, technology is fast-developing, greatly facilitates the life of people It is living.Currently, 4G smart phone has been popularized, domestic mobile phone ownership is more than 1,000,000,000, and whole world mobile phone ownership is more up to Billions of portions, mobile Internet cover most of human settlement on the earth.
Mobile communication wave band belongs to microwave band, about in 300MHz-3GHz frequency range.Studies have shown that microwave communication side While persons who happens to be on hand for an errand live, very important electromagnetic pollution problem is also brought, the short distance microwave spoke generated when taking mobile phone It penetrates the damage to human health to be gradually revealed and be exposed, the side effect of microwave radiation will affect each mobile phone user's Health.In the mobile Internet information age, the frequency of use of mobile phone is also more and more, and " mobile phone addictive disease " crowd is also increasingly It is more;When people's making and receiving calls, mobile phone is tightly attached to ear, close to head, the microwave radiation and distance Cheng Ping of antenna for mobile phone Square law of reciprocity relationship, the nearlyr radiation intensity of contact distance is bigger, fuel factor and biological effect can it is more significant, to health hazards Also can be bigger, a variety of health such as Hearing, neurasthenia, head glioma lesion, decrease of memory, visual problems can be caused Problem can also generate adverse effect to development of fetus.
Cell phone microwave radiation affects the health of each mobile phone user, it should be taken seriously and its healthhazard It is preferably minimized.
Summary of the invention
The purpose of the present invention is to provide a kind of directional loudspeaker, mobile terminal radiation protection system and methods, can reduce Influence of the mobile terminal radiating to user.
The technical scheme is that a kind of directional loudspeaker, comprising: bluetooth module, signal processing module, power amplification Module and loudspeaking module, wherein
The bluetooth module receives the audio signal from mobile terminal, and is transmitted to the signal processing module;
The signal processing module carries out distortion pretreatment to the audio signal, and by processed audio signal and surpasses Acoustical carrier wave signals carry out amplitude modulation, generate ultrasonic wave modulation signal;
The power amplifier module amplifies the ultrasonic wave modulation signal, and production when being propagated in air using the signal Raw nonlinear effect self-control regenerates new audio signal;
The loudspeaking module plays the new audio signal.
Further, further include battery in the directional loudspeaker, the battery to the bluetooth module, signal at Reason module, power amplifier module and loudspeaking module charge.
Further, in the directional loudspeaker, the bluetooth module, power amplifier module, is raised signal processing module Sound module and battery are all set in the mobile terminal.
The present invention also provides a kind of mobile terminal radiation protection systems, comprising: mobile terminal and orientation loudspeaking as described above Device is provided in the mobile terminal and comes photodetector, controller and timer, wherein
It is described come photodetector real-time detection described in mobile terminal whether have incoming call, detect incoming call after and be confirmed whether to connect Logical, the signal electrically connected in the future if connecting is transmitted to the controller;
The controller prompts the user whether to switch to the directional loudspeaker, if user's selection is the control The mobile terminal is switched to the directional loudspeaker, and the timer initiation timing by device, described if user's selection is no Timer also starts timing;
After the timer initiation timing, the air time of timing is transferred to the controller, the controller meter Calculate whether the air time is more than setting time, if it exceeds the setting time, then the controller is described mobile whole Text prompting is provided on end.
Further, in the mobile terminal radiation protection system, the system also includes wearable devices, and are set to Wearable device detector and signal strength detector in the mobile terminal, the mobile terminal and the wearable device are logical News connection;Wherein,
Whether the wearable device detector real-time detection has the Bluetooth signal for carrying Bluetooth address, if detecting described The Bluetooth signal is then transferred to the controller by Bluetooth signal;
The controller prompts the user whether to connect the wearable device, if user's selection is, the controller is by institute It states mobile terminal and is connected to the wearable device;
The information that the controller determines whether to receive to electrically connect, if so, carrying out letter using the wearable device Number send and receive, if it is not, then the signal strength detector detects the signal strength of the mobile terminal, and be transmitted to institute State controller;
After the controller receives the signal strength, judge whether the signal strength is more than default secure threshold, If being more than the secure threshold, sending and receiving for signal is carried out using the wearable device.
Further, in the mobile terminal radiation protection system, using the wearable device carry out signal reception with Transmission includes:
The controller issues communication instruction to the wearable device, and the communication instruction is used to indicate the wearable device Instead of the mobile terminal and base station communication;
The wearable device is according to the communication instruction, instead of the mobile terminal and base station communication;
Voice messaging is transmitted to the wearable device from the mobile terminal by bluetooth module, and the wearable device receives The base station is transferred to by mobile terminal after the voice messaging of user.
Further, in the mobile terminal radiation protection system, further includes:
The signal strength of mobile terminal described in the signal strength detector real-time detection, and it is transferred to the controller;
The controller stores the signal strength, and judges whether the signal strength is more than default secure threshold;
If being more than the default secure threshold, the controller issues vibrating alert on the mobile terminal.
Further, in the mobile terminal radiation protection system, the directional loudspeaker is set to the mobile terminal It is internal;Alternatively, the directional loudspeaker is set to outside the mobile terminal.
It further, further include the distance being set in the mobile terminal in the mobile terminal radiation protection system Detection module, the distance between the brain apart from detection module real-time detection user and the mobile terminal.
Correspondingly, the present invention also provides a kind of method of mobile terminal radiation protection, it is anti-using mobile terminal as described above Radiating system is realized.
Compared with prior art, directional loudspeaker provided by the invention, mobile terminal radiation protection system and method have with It is lower the utility model has the advantages that
Directional loudspeaker provided by the invention includes: bluetooth module, signal processing module, power amplifier module and loudspeaking Module, wherein the bluetooth module receives the audio signal from mobile terminal, and is transmitted to the signal processing module, institute It states signal processing module and distortion pretreatment is carried out to the audio signal, and by processed audio signal and ultrasonic carrier signal Amplitude modulation is carried out, ultrasonic wave modulation signal is generated, the power amplifier module amplifies the ultrasonic wave modulation signal, and benefit The nonlinear effect self-control generated when being propagated in air with the signal regenerates new audio signal, the loudspeaking mould Block plays the new audio signal, to realize orientation loudspeaking, the transmitting of sound is made to have directive property, will not be to ambient enviroment It interferes.
Further, the directional loudspeaker is arranged in mobile terminal, without the appearance to mobile terminal into Any transformation of row after having used directional loudspeaker, can be used mobile terminal and certain distance kept to converse, make call sound Sound is transferred to user in fixed range, avoids influencing other people, both plays the role of radiation protection, also can protect personal hidden It is private.
In mobile terminal radiation protection system provided by the invention, in the case where mobile terminal has incoming call and connects, it can mention Show that user switches to directional loudspeaker, to reduce radiation, and be additionally provided with timer, is used for calculation of talk time, is exceeding When setting time, mobile terminal can provide text prompting, to remind user's radiation protection.
Further, the signal strength of signal strength detector meeting real-time detection mobile terminal, and it is transferred to controller, it controls Device processed judges whether the signal strength is more than default secure threshold, if be more than default secure threshold, the mobile terminal can be sent out Vibrating alert out, to remind user's radiation protection.
Detailed description of the invention
Fig. 1 is the structural block diagram of directional loudspeaker provided by one embodiment of the invention.
Fig. 2 is the top view of mobile terminal provided by one embodiment of the invention.
Fig. 3 is the top view of mobile terminal provided by one embodiment of the invention.
Fig. 4 is mobile terminal radiation protection system structural block diagram provided by one embodiment of the invention.
Fig. 5 is mobile terminal radiation protection system structural block diagram provided by one embodiment of the invention.
Fig. 6 is the interface schematic diagram of mobile terminal radiation protection system provided by one embodiment of the invention.
Fig. 7 is the flow chart of the method for mobile terminal radiation protection provided by one embodiment of the invention.
Specific embodiment
To keep the contents of the present invention more clear and easy to understand, below in conjunction with Figure of description, the contents of the present invention are done into one Walk explanation.Certainly the invention is not limited to the specific embodiment, and general replacement well known to those skilled in the art is also contained Lid is within the scope of the present invention.
Obviously, the described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.Based on this hair Embodiment in bright, all other implementation obtained by those of ordinary skill in the art without making creative efforts Example, shall fall within the protection scope of the present invention.Secondly, the present invention has carried out detailed statement using schematic diagram, the present invention is being described in detail When example, for ease of description, schematic diagram is not partially enlarged in proportion to the general scale, should not be to this as restriction of the invention.
Fig. 1 is the structural block diagram of directional loudspeaker provided by one embodiment of the invention, as shown in Figure 1, the present invention proposes A kind of directional loudspeaker, comprising: bluetooth module 10, signal processing module 20, power amplifier module 30 and loudspeaking module 40, In, the bluetooth module 10 receives the audio signal from mobile terminal, and is transmitted to the signal processing module 20, the letter Number processing module 20 carries out distortion pretreatment to the audio signal, and by processed audio signal and ultrasonic carrier signal into Row amplitude modulation, generates ultrasonic wave modulation signal;The power amplifier module 30 amplifies the ultrasonic wave modulation signal, and benefit The nonlinear effect self-control generated when being propagated in air with the signal regenerates new audio signal;The loudspeaking mould Block 40 plays the new audio signal.
The directional loudspeaker further includes battery 50, the battery 50 to the bluetooth module 10, signal processing module 20, Power amplifier module 30 and loudspeaking module 40 charge.
In the embodiment of the present application, the bluetooth module 10, signal processing module 20, power amplifier module 30, loudspeaking module 40 and battery 50 be all set in mobile terminal.Fig. 2 is the top view of mobile terminal provided by one embodiment of the invention, figure 3 be the top view of mobile terminal provided by one embodiment of the invention.Each component position of the directional loudspeaker in order to facilitate observation of Relationship is set, Fig. 3 is the top view after the loudspeaking module 40 of Fig. 2 removal top surface.It please refers to shown in Fig. 2 and Fig. 3, it is described fixed One end of the mobile terminal 100 is set to loudspeaker.The bluetooth module 10, signal processing module 20, power amplification mould Block 30 is juxtaposed on a short side direction of the mobile terminal 100, the bluetooth module 10, signal processing module 20, Power amplifier module 30 is provided with battery 50 close to the side of the mobile terminal frontside edge, i.e., the described battery 50 and the indigo plant Tooth module 10, signal processing module 20 and power amplifier module 30 are set side by side, and the loudspeaking module 40 is set to the indigo plant The top of tooth module 10, signal processing module 20, power amplifier module 30 and the battery 50.In the mobile terminal 100 Being provided with charging interface 41 in the one side edge of the battery 50, (exemplary locations as shown in Figure 3, specific structure is not Show), it charges for being inserted into charger to the battery 40, certainly, which can be with mobile terminal originally Charging interface be overlapped, that is, the charging of directional loudspeaker and mobile terminal can be achieved at the same time.In the present embodiment, mobile terminal 100 For example, mobile phone, tablet computer, bluetooth module 10, signal processing module 20, power amplifier module 30, loudspeaking module 40 and electricity Pond 50 can be set in the shell of mobile phone or tablet computer.
It is closed it is understood that the embodiment of the present application is only exemplary the position for illustrating to orient each component in loudspeaking module System, in other embodiments, orienting each component in loudspeaking module can have other positional relationships, also, can not also set It sets in mobile terminal, i.e., also can be set in the outside of mobile terminal, the present invention is to this and without limitation.
In conclusion directional loudspeaker provided by the embodiments of the present application is compared to existing technologies, orientation can be realized Loudspeaking makes the transmitting of sound have directive property, will not interfere to ambient enviroment.By directional loudspeaker setting mobile whole In end, does not need to carry out any transformation to the appearance of mobile terminal, after having used directional loudspeaker, mobile terminal can be used It keeps certain distance to converse, call sound is made to be transferred to user in fixed range, avoid influencing other people, both play anti- The effect of radiation, also can protect individual privacy.
The present invention also provides a kind of methods for realizing orientation loudspeaking, as embodiment of the method corresponding with previous embodiment, Orientation loudspeaking is realized using directional loudspeaker as described in the examples as above, please continue to refer to shown in Fig. 1, the reality of the present embodiment The method for now orienting loudspeaking includes: firstly, bluetooth module 10 is for receiving the audio signal from mobile terminal, and is transmitted to letter Number processing module 20, after then signal processing module 20 receives audio signal, is distorted pre- place for carrying out to audio signal Reason, and processed audio signal and ultrasonic carrier signal are subjected to amplitude modulation, ultrasonic wave modulation signal is generated, and be transmitted to Power amplifier module 30.Then, after power amplifier module 30 receives ultrasonic wave modulation signal, for ultrasonic wave modulation to be believed Number amplification, and the nonlinear effect self-control that while being propagated in air using the signal is generated regenerates new audio letter Number, and it is transmitted to loudspeaking module 40.Finally, loudspeaking module 40 is for playing the new audio signal.
Directional loudspeaker generates the audio signal of mobile terminal new after distortion pretreatment, amplitude modulation, amplification Audio signal, to realize orientation loudspeaking.This method further include: battery 50 be used for bluetooth module 10, signal processing module 20, Power amplifier module 30 and loudspeaking module 40 charge.
Orientation loudspeaking is realized using directional loudspeaker as described above, can make sound transmitting that there is directive property, that is, exist It is transmitted, ambient enviroment will not be interfered in specified spatial dimension.Orientation loudspeaking, user are realized on mobile terminals It when being conversed, can maintain a certain distance with mobile terminal, so as to reduce radiation, and be passed since sound orients It broadcasts, individual privacy can be can protect to avoid influence other people.
Fig. 4 is mobile terminal radiation protection system structural block diagram provided by one embodiment of the invention.Referring to FIG. 4, this hair It is bright that a kind of mobile terminal radiation protection system is provided, comprising: mobile terminal 100 and directional loudspeaker 200 as described above, it is mobile whole End 100, which is provided with, comes photodetector 110, controller 120 and timer 130, wherein carrys out the shifting of 110 real-time detection of photodetector Whether dynamic terminal 100 has incoming call, detects after sending a telegram here and is confirmed whether to connect, and the signal electrically connected in the future if connecting is transmitted to Controller 120, controller 120 prompt the user whether directional loudspeaker 200 to be switched to, if user's selection is controller 120 Mobile terminal 100 is switched into directional loudspeaker 200, and timer 130 starts timing, if user selects no, timer 130 Also start timing.After timer 130 starts timing, the air time of timing is transferred to the controller 120, controller Whether 120 calculation of talk time are more than setting time, if it exceeds setting time, then controller 120 is given on mobile terminal 100 Text is reminded out.
Within the system, setting time is the call-prompting time of user setting, can for 10 minutes, 30 minutes, it is 1 small When, certainly, user also can choose and not remind, alternatively, setting time can be independently arranged in user.
In the embodiment of the present application, come whether 110 real-time detection of photodetector has incoming call, and confirm whether incoming call is connected, If controller 120 can be prompted for whether to switch to directional loudspeaker 200 to electrically connect, if user's selection is to move Dynamic terminal 100 switches to directional loudspeaker 200, i.e. the call sound of mobile terminal 100 is oriented from directional loudspeaker 200 and spread out of, User can maintain a certain distance with mobile terminal 100, can so as to reduce radiation, and due to voice directional spreading To avoid influence other people, and it can protect individual privacy.And timer 130 will start timing, will be transferred to institute the air time Controller 120 is stated, whether 120 calculation of talk time of controller is more than setting time, if it exceeds setting time, then control Device 120 provides text prompting on mobile terminal 100, to remind user's radiation protection, so that user terminates to converse as early as possible, Huo Zhegeng Change the position etc. of the mobile terminal 100.
Certainly, user, which also can choose, does not switch to the directional loudspeaker 200, then user also uses side usually Formula is conversed, but the timer 330 still will start timing at this time, will be transferred to the controller 120, institute the air time State whether 120 calculation of talk time of controller is more than setting time, if it exceeds the setting time, then the controller 120 Text prompting is provided on the mobile terminal 100, it is same to remind user's radiation protection.It is understood that user can also be When opening the mobile terminal radiation protection system on the mobile terminal 100, the orientation is switched to when directly setting is conversed and is raised Sound device 200 just provides prompting when without detecting to electrically connect.
It please refers to shown in Fig. 5, the mobile terminal radiation protection system further include: wearable device 300, and it is set to movement Wearable device detector 140 and signal strength detector 150 in terminal 100, wearable device 300 and mobile terminal 100 are logical News connection;Wherein, whether 140 real-time detection of wearable device detector has the Bluetooth signal for carrying Bluetooth address, if detecting The Bluetooth signal is then transferred to the controller 120,120 company of prompting the user whether of controller by the Bluetooth signal The wearable device 300 is connect, if user's selection is that the mobile terminal 100 is connected to the wearing by the controller 120 Equipment 300, the information that the controller 120 determines whether to receive to electrically connect, if so, using the wearable device 200 Signal is carried out to send and receive, if it is not, then the signal strength detector 150 detect the mobile terminal 100 signal it is strong Degree, and it is transmitted to the controller 120, the controller 120 judges whether the signal strength is more than default secure threshold, if More than the secure threshold, then sending and receiving for signal is carried out using the wearable device 300.
What it is using the wearable device 300 progress signal includes: that the sending of controller 120 is logical the step of sending and receiving To the wearable device 300, the communication instruction is used to indicate the wearable device 300 and replaces the mobile terminal for news instruction 100 and base station communication, it is logical instead of the mobile terminal 100 and base station after the wearable device 300 receives the communication instruction News;Voice messaging is transmitted to the wearable device 300, the wearable device 300 from the mobile terminal 100 by bluetooth module The base station is transferred to by the mobile terminal 100 after the voice messaging of reception user.I.e. by 100 communication calling of mobile terminal It is transferred to the wearable device 300, wearable device 300 and mobile terminal 100 and voice is transmitted by bluetooth connection, to increase shifting Dynamic terminal plays the role of radiation protection at a distance from user.
Certainly, if mobile terminal 100 is there is no sending a telegram here, signal strength detector 150 can also detect the mobile terminal 100 signal strength, and it is transmitted to the controller 120, it is default that the controller 120 judges whether the signal strength exceeds Secure threshold carries out sending and receiving for signal using wearable device 300, thus further if being more than default secure threshold Play the role of radiation protection.The default secure threshold refers to the value for the signal strength not impacted to user, for example, can be with The intensity to judge signal is shown by the signal in the mobile terminal upper right corner, when signal is shown in a lattice or two lattice, signal is strong Spend it is weak, radiation intensity enhancing, then may determine that signal strength has been more than default secure threshold, when signal is shown in two lattice or more When, signal strength is higher, and radiation intensity weakens, then may determine that signal strength without departing from default secure threshold.
Please continue to refer to shown in Fig. 5, the mobile terminal radiation protection system further include: the signal strength detector 150 The signal strength of mobile terminal 100 described in real-time detection, and it is transferred to the controller 120, the controller 120 stores described Signal strength, and judge whether the signal strength exceeds default secure threshold, it is described if being more than the default secure threshold Controller 120 issues vibrating alert on the mobile terminal 100.
The signal strength of mobile terminal 100 described in 150 real-time detection of signal strength detector, exceeds in signal strength When the default secure threshold, vibrating alert can be issued, reminds the user that radiation protection.It certainly, can also in the embodiment of the present application The functions such as the distance between the brain of the electricity consumption of mobile terminal, user and mobile terminal, example are detected so that correlation module is arranged : the electricity consumption of mobile terminal as described in using electric power detection module real-time detection, using apart from detection module real-time detection user Brain and the distance between the mobile terminal, be less than setting value in electricity, or when distance is less than setting value reminds in time User corresponds to so that user makes in time to reduce radiation, and user is allowed to form good radiation protection habit and consciousness.
Fig. 6 is the interface schematic diagram of mobile terminal radiation protection system provided by one embodiment of the invention, in the application reality It applies in example, after user opens the mobile terminal radiation protection system, main interface as shown in FIG. 6 occurs, user can beat Directly select whether enable directional loudspeaker after open system, if be connected automatically to wearable device and whether detect automatically work as Front signal is strong and weak, in addition, the call-prompting time can be set in user, such as: it 10 minutes, 30 minutes, 1 hour or does not remind, when So, remaining time also can be set or the option that user independently selects the time is set.
Fig. 7 is the flow chart of the method for mobile terminal radiation protection provided by one embodiment of the invention, referring to FIG. 7, simultaneously In conjunction with shown in Fig. 4 and Fig. 5, the present invention provides a kind of method of mobile terminal radiation protection, anti-using mobile terminal as described above Radiating system realizes radiation protection, which comprises
The controller 120 shows multiple call-prompting times on the mobile terminal 100, so that user's selection is wherein One is used as setting time, certainly on condition that opening the mobile terminal radiation protection system on the mobile terminal 100.It is described The call-prompting time can be 10 minutes, 30 minutes, 1 hour, and certainly, user, which also can choose, not to be reminded or user can also Any time is independently arranged.
It is described come 110 real-time detection of photodetector described in mobile terminal 100 whether have incoming call, detect incoming call after and confirm Whether connect, the signal electrically connected in the future if connecting is transmitted to the controller 120.If being not switched on, it is described come electric-examination It surveys device 110 and continues to test whether mobile terminal 100 has incoming call.
The controller 120 prompts the user whether to switch to the directional loudspeaker 200, if user's selection is to cut The directional loudspeaker 200 is shifted to, and the timer 130 starts timing, if user selects no, the timer 130 Start timing.Certainly, user also can choose when opening the radiation protection system, just switch to the mobile terminal 100 The directional loudspeaker 200, then the prompt of the step can be omitted, and when to electrically connect, the timer 130 directly starts to count When.
After the timer 130 starts timing, the controller 120, the controller 120 will be transferred to the air time Whether calculation of talk time is more than setting time, if it exceeds the setting time, then provide text prompting.As described above Setting time, the air time is compared with setting time, if the air time be less than setting time, the timer 130 continue timing, and without carrying out other operations, if the air time is more than or equal to setting time, the controller 120 controls institute It states mobile terminal 100 and provides text prompting, meanwhile, the controller 120 judges whether user terminates to converse, if terminating call, Then whole process terminates, if user is not over call, the counter 130 continues timing, reaches another in the air time When the time, text prompting is provided, which can independently be selected by user, can also be identical as above-mentioned setting time.
Mobile terminal radiation protection system provided by the embodiments of the present application, in the case where mobile terminal has incoming call and connects, User can be prompted to switch to directional loudspeaker, to reduce radiation, and be additionally provided with timer, be used for calculation of talk time, When beyond setting time, mobile terminal can provide text prompting, to remind user's radiation protection.
Please continue to refer to shown in Fig. 5, the method for the mobile terminal radiation protection further include: by the mobile terminal 100 with Wearable device 300 connects, and 100 communication calling of mobile terminal is transferred to the wearable device 300 and is communicated, and increases institute Mobile terminal 100 is stated at a distance from user, reduces radiation.It is specific:
Whether 140 real-time detection of wearable device detector has the Bluetooth signal for carrying Bluetooth address, if detecting The Bluetooth signal illustrates there is the wearable device 300 nearby, then the Bluetooth signal is transferred to the controller 120; Certainly, if not detecting the Bluetooth signal, the wearable device detector 140, which will continue to execute, has detected whether carrying There is the movement of the Bluetooth signal of Bluetooth address.
After the controller 120 receives the Bluetooth signal, it can prompt the user whether to connect the wearable device 300, if user's selection is that the mobile terminal 100 is connected to the wearable device 300 by the controller 120;If user Select no, then the controller 120 does not execute the movement of connection, and later, the wearable device detector 140, which will continue to detection, is It is no to have the Bluetooth signal for carrying Bluetooth address, if detecting the Bluetooth signal, continue to pass the information on to the control Device 120 processed, the controller 120 will continue to prompt the user whether to connect the wearable device 300.Certainly, twice between prompt There can be certain interval time, which can no longer be mentioned by user setting alternatively, user can also directly select Show or the mobile terminal 100 is directly connected to the wearable device 300 in system by user, then the wearable device Detector 140 is no longer needed to whether there is or not wearable devices to detect.
The controller 120 judges whether the mobile terminal 100 has incoming call, if so, using the wearable device 300 Signal is carried out to send and receive, if it is not, then the signal strength detector 150 detect the mobile terminal 100 signal it is strong Degree, and it is transmitted to the controller 120;The controller 120 judges whether the signal strength is more than default secure threshold, if More than the secure threshold, then sending and receiving for signal is carried out using the wearable device 300.
The reception of signal is carried out using the wearable device 300 and transmission includes: that the controller 120 issues communication instruction To the wearable device 300, the communication instruction is used to indicate the wearable device 300 and replaces the mobile terminal 100 and base It stands communication, after the wearable device 300 receives the communication instruction, instead of the mobile terminal 100 and base station communication, voice letter Breath is transmitted to the wearable device 300 from the mobile terminal 100 by bluetooth module, and the wearable device 300 receives user Voice messaging after the base station is transferred to by mobile terminal 100.100 communication calling of mobile terminal is transferred to described wear Equipment 300 is worn, the wearable device 300 transmits voice by bluetooth connection with the mobile terminal 100, to increase the shifting Dynamic terminal 100 plays the role of radiation protection at a distance from user.
It should be noted that whether being switched to the directional loudspeaker 200 and whether being connected to wearable device 300 and can select One of them is selected, for example, institute can be directly used in the case where the mobile terminal 100 has been coupled to wearable device 300 It states wearable device 300 and carries out sending and receiving for signal, to realize the transfer of radiation source, at this time and without switching to the orientation Loudspeaker 200.And if having been switched to the directional loudspeaker 200, without connecting the wearable device 300, Yong Huke To be selected according to personal habits.
Please continue to refer to shown in Fig. 5, the method for the mobile terminal radiation protection further include: the signal strength detector The signal strength of mobile terminal 100 described in 150 real-time detections, and it is transferred to the controller 120, the controller 120 stores The signal strength, and whether signal strength described in interpretation is more than default secure threshold, if being more than the default secure threshold, The controller 120 issues vibrating alert on the mobile terminal 100.
The signal strength of mobile terminal 100 described in 150 real-time detection of signal strength detector, exceeds in signal strength When the default secure threshold, vibrating alert can be issued, reminds the user that radiation protection.Certainly, described in the embodiment of the present application Mobile terminal radiation protection system can also include the electric power detection module that is set in the mobile terminal with apart from detection module, The electricity consumption of mobile terminal described in the electric power detection module real-time detection, it is described apart from the big of detection module real-time detection user The distance between brain and the mobile terminal, electricity be less than setting value, or distance be less than setting value when remind user in time, It corresponds to so that user makes in time to reduce radiation, user is allowed to form good radiation protection habit and consciousness.
In conclusion in directional loudspeaker provided by the invention, mobile terminal radiation protection system and method, directional loudspeaker It include: bluetooth module, signal processing module, power amplifier module and loudspeaking module, wherein the bluetooth module will be mobile whole To the signal processing module, the signal processing module carries out the audio signal to be distorted pre- place the audio signal transmission at end Reason, and processed audio signal and ultrasonic carrier signal are subjected to amplitude modulation, generate ultrasonic wave modulation signal, the power Amplification module amplifies the modulated signal, and the nonlinear effect self-control that while being propagated in air using the signal is generated New audio signal is regenerated, the loudspeaking module, which plays the new audio signal, makes sound to realize orientation loudspeaking Transmitting have directive property, ambient enviroment will not be interfered.
Further, the directional loudspeaker is arranged in mobile terminal shell, without the appearance to mobile terminal And internal any transformation of progress, after having used directional loudspeaker, mobile terminal can be used, certain distance is kept to converse, So that call sound is transferred to user in fixed range, avoids influencing other people, both play the role of radiation protection, also can protect Individual privacy.
In mobile terminal radiation protection system provided by the invention, in the case where mobile terminal has incoming call and connects, it can mention Show that user switches to directional loudspeaker, to reduce radiation, and be additionally provided with timer, is used for calculation of talk time, is exceeding When setting time, mobile terminal can provide text prompting, to remind user's radiation protection.
Further, the signal strength of signal detector meeting real-time detection mobile terminal, and it is transferred to controller, controller Judge whether the signal strength meets human-body safety threshold value, if being more than the secure threshold, the mobile terminal can issue vibration It reminds, to remind user's radiation protection.
Foregoing description is only the description to present pre-ferred embodiments, not to any restriction of the scope of the invention, this hair Any change, the modification that the those of ordinary skill in bright field does according to the disclosure above content, belong to the protection of claims Range.

Claims (10)

1. a kind of directional loudspeaker characterized by comprising bluetooth module, signal processing module, power amplifier module and raise Sound module, wherein
The bluetooth module receives the audio signal from mobile terminal, and is transmitted to the signal processing module;
The signal processing module carries out distortion pretreatment to the audio signal, and processed audio signal and ultrasound are carried Wave signal carries out amplitude modulation, generates ultrasonic wave modulation signal;
The power amplifier module amplifies the ultrasonic wave modulation signal, and while being propagated in air using the signal is generated Nonlinear effect self-control regenerates new audio signal;
The loudspeaking module plays the new audio signal.
2. directional loudspeaker as described in claim 1, which is characterized in that further include battery, the battery to the bluetooth module, Signal processing module, power amplifier module and loudspeaking module charge.
3. directional loudspeaker as claimed in claim 2, which is characterized in that the bluetooth module, signal processing module, power amplification Module, loudspeaking module and battery are all set in the mobile terminal.
4. a kind of mobile terminal radiation protection system characterized by comprising mobile terminal with such as any one of claims 1 to 3 institute The directional loudspeaker stated is provided in the mobile terminal and comes photodetector, controller and timer, wherein
It is described come photodetector real-time detection described in mobile terminal whether have incoming call, detect incoming call after and be confirmed whether to connect, The information electrically connected in the future if connecting is transmitted to the controller;
The controller prompts the user whether to switch to the directional loudspeaker, if user's selection is, the controller will The mobile terminal switches to the directional loudspeaker, and the timer initiation timing, if user selects no, the timing Device also starts timing;
After the timer initiation timing, the air time of timing is transferred to the controller, the controller calculates institute State whether the air time is more than setting time, if it exceeds the setting time, then the controller is on the mobile terminal Provide text prompting.
5. mobile terminal radiation protection system as claimed in claim 4, which is characterized in that the system also includes wearable device, with And it is set to wearable device detector and signal strength detector in the mobile terminal, the mobile terminal is worn with described Wear device talk connection;Wherein,
Whether the wearable device detector real-time detection has the Bluetooth signal for carrying Bluetooth address, if detecting the bluetooth The Bluetooth signal is then transferred to the controller by signal;
The controller prompts the user whether to connect the wearable device, if user's selection is, the controller is by the shifting Dynamic terminal is connected to the wearable device;
The information that the controller determines whether to receive to electrically connect, if so, carrying out signal using the wearable device It sends and receivees, if it is not, then the signal strength detector detects the signal strength of the mobile terminal, and is transmitted to the control Device processed;
After the controller receives the signal strength, judge whether the signal strength is more than default secure threshold, if super The default secure threshold is crossed, then carries out sending and receiving for signal using the wearable device.
6. mobile terminal radiation protection system as claimed in claim 5, which is characterized in that carry out signal using the wearable device Reception include: with transmission
The controller issues communication instruction to the wearable device, and the communication instruction is used to indicate the wearable device and replaces The mobile terminal and base station communication;
The wearable device is according to the communication instruction, instead of the mobile terminal and base station communication;
Voice messaging is transmitted to the wearable device from the mobile terminal by bluetooth module, and the wearable device receives user Voice messaging after the base station is transferred to by mobile terminal.
7. mobile terminal radiation protection system as claimed in claim 6, which is characterized in that further include:
The signal strength of mobile terminal described in the signal strength detector real-time detection, and it is transferred to the controller;
The controller stores the signal strength, and judges whether the signal strength is more than default secure threshold;
If being more than the default secure threshold, the controller issues vibrating alert on the mobile terminal.
8. mobile terminal radiation protection system as claimed in claim 4, which is characterized in that the directional loudspeaker is set to described Inside mobile terminal;Alternatively, the directional loudspeaker is set to outside the mobile terminal.
9. mobile terminal radiation protection system as claimed in claim 4, which is characterized in that described the system also includes being set to In mobile terminal between detection module, the brain and the mobile terminal apart from detection module real-time detection user Distance.
10. a kind of method of mobile terminal radiation protection, which is characterized in that using the shifting as described in any one of claim 4~9 Dynamic terminal radiation protection system is realized.
CN201811143235.0A 2018-09-28 2018-09-28 Directional loudspeaker, mobile terminal radiation protection system and method Active CN109218503B (en)

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