CN104301460A - Mobile phone and method for automatically answering call of mobile phone - Google Patents
Mobile phone and method for automatically answering call of mobile phone Download PDFInfo
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- CN104301460A CN104301460A CN201410485852.4A CN201410485852A CN104301460A CN 104301460 A CN104301460 A CN 104301460A CN 201410485852 A CN201410485852 A CN 201410485852A CN 104301460 A CN104301460 A CN 104301460A
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- mobile phone
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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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/725—Cordless telephones
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Abstract
The invention discloses a mobile phone and a method for automatically answering a call of the mobile phone. The mobile phone comprises a front face and a back face. A microphone is arranged on the front face, and when the mobile phone is in a communication state, the human face gets close to the microphone to make a conversation through the microphone. The method comprises the steps that when the mobile phone is in an incoming call calling state, a sonar generator sends ultrasonic wave signals to the external space corresponding to the front face of the mobile phone; the ultrasonic wave signals reflected to the front face are received by the microphone; the passing distance of the ultrasonic wave signals is acquired according to the ultrasonic wave signals reflected to the front face and serves as the distance between the human face and the front face; the distance change situation is judged; if the value of the distance gradually becomes smaller and is smaller than or equal to the preset distance, the incoming call is automatically answered; if the value of the distance is larger than the preset distance, the ultrasonic wave signals reflected to the front face continues to be received by the microphone. By means of the mode, the call can be automatically answered at any environment, and the user experience is improved.
Description
Technical field
The present invention relates to communication technical field, especially relate to a kind of method of mobile phone and automatic call answering thereof.
Background technology
Along with the universal fast of handheld mobile device and user strengthen further to handheld mobile device intelligent requirements.Developer is devoted to design more intelligent functions, makes more user-friendly.Such as, when cell phone incoming call, carry out automatic call answering by the distance measuring mobile phone and face, facilitate user greatly.In prior art, in order to make more APP more dazzled as bright spot, light sensor is usually adopted to measure the distance of mobile phone and face.
Which limits certain environment for use, if under darker environment, be then inconvenient to operate.
Summary of the invention
The technical problem that the present invention mainly solves is to provide a kind of method of mobile phone and automatic call answering thereof, all can realize the function of automatic call answering in any environment.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: a kind of method providing mobile phone automatic call answering, mobile phone comprises front and back, wherein, front is provided with microphone, when mobile phone is in talking state, face is near microphone, to be conversed by microphone, method comprises: when mobile phone is in incoming call state, by front from sonar generator to mobile phone corresponding to space outerpace send ultrasonic signal; The ultrasonic signal in front is reflected back toward by microphones; Ultrasonic signal according to being reflected back toward front obtains the approach distance of ultrasonic signal, as the distance in face and front; Judging distance situation of change; If the numerical value of distance is more and more less, and is less than or equal to predeterminable range, then automatic connecting incoming call; If the numerical value of distance is greater than predeterminable range, then continue through the ultrasonic signal that microphones is reflected back toward front.
Wherein, the step obtaining hyperacoustic approach distance according to the ultrasonic signal being reflected back toward front comprises: the ultrasonic signal being reflected back front is carried out analog-to-digital conversion and becomes digital signal; Calculate the approach distance of the ultrasonic signal after conversion.
Wherein, microphone is at least two, and the step being reflected back toward the ultrasonic signal in front by microphones is comprised: received the ultrasonic signal being reflected back toward front respectively by least two microphones.
Wherein, the step obtaining hyperacoustic approach distance according to the ultrasonic signal being reflected back toward front comprises: respectively by least two microphones to ultrasonic signal carry out analog-to-digital conversion and become digital signal; Calculate the approach distance of the ultrasonic signal after conversion respectively; Get approach distance and mean value as the distance in face and front.
Wherein, the open and close of sonar generator and microphone are controlled according to the state of mobile phone.
For solving the problems of the technologies described above, the present invention adopt another technical scheme be: provide a kind of mobile phone, mobile phone comprises: microphone, is arranged on the front of mobile phone, for when mobile phone is in talking state, face near microphone, to be conversed by microphone; Sonar generator, during for being in incoming call state at mobile phone, to mobile phone front corresponding to space outerpace send ultrasonic signal; Microphone receives the ultrasonic signal being reflected back toward front further; Distance acquisition module, for obtaining the approach distance of ultrasonic signal according to the ultrasonic signal being reflected back toward front, as the distance in face and front; Processor, for judging distance situation of change; If the numerical value of distance is more and more less, and is less than or equal to predeterminable range, then automatic connecting incoming call; If the numerical value of distance is greater than predeterminable range, then continue through the ultrasonic signal that microphones is reflected back toward front.
Wherein, distance acquisition module comprises further: analog to digital converter, becomes digital signal for the ultrasonic signal being reflected back front is carried out analog-to-digital conversion; Calculator, for calculating the approach distance of the ultrasonic signal after conversion.
Wherein, microphone is at least two, and at least two microphones receive the ultrasonic signal being reflected back toward front respectively.
Wherein, analog to digital converter respectively by least two microphones to ultrasonic signal carry out analog-to-digital conversion and become digital signal; Calculator calculates the approach distance of the ultrasonic signal after conversion respectively, and get further approach distance and mean value as the distance in face and front.
Wherein, mobile phone comprises switch control module further, for controlling the open and close of sonar generator and microphone according to the state of mobile phone.
The invention has the beneficial effects as follows: the situation being different from prior art, the space outerpace that mobile phone of the present invention is answered to the front of mobile phone by sonar generator sends ultrasonic signal, and the ultrasonic signal in front is reflected back toward further by microphones, then the approach distance of ultrasonic signal is obtained according to the ultrasonic signal being reflected back toward front, as the distance in face and front, further judging distance situation of change, if the numerical value of distance is more and more less, and be less than or equal to predeterminable range, then automatic connecting incoming call, if the numerical value of distance is greater than predeterminable range, then continue through the ultrasonic signal that microphones is reflected back toward front.By the way, the present invention can realize automatic call answering in any environment, improves the experience of user.
Accompanying drawing explanation
Fig. 1 is the internal structure schematic diagram of a kind of mobile phone that the embodiment of the present invention provides;
Fig. 2 is the external structure schematic diagram of the mobile phone shown in Fig. 1;
Fig. 3 is the flow chart of the method for a kind of mobile phone automatic call answering that the embodiment of the present invention provides.
Embodiment
See also Fig. 1 and Fig. 2, Fig. 1 is the internal structure schematic diagram of a kind of mobile phone that the embodiment of the present invention provides, and Fig. 2 is the external structure schematic diagram of the mobile phone shown in Fig. 1.As depicted in figs. 1 and 2, the mobile phone of the present embodiment comprises microphone 11, sonar generator 12, distance acquisition module 13, processor 14 and input/output module 15.
Wherein, input/output module 15 is electrically connected with microphone 11, sonar generator 12, distance acquisition module 13 and processor 14 respectively, the interface of signal input and output.
Microphone 11 is arranged on the front 110 of mobile phone 10, for when mobile phone 10 is in talking state, face near microphone 11, to be conversed by microphone 11.The microphone of the present embodiment is MEMS (Micro Electro Mechanical System) microphone.
Sonar generator 12 for when mobile phone 10 is in incoming call state, to mobile phone 10 front 110 corresponding to space outerpace send ultrasonic signal.Microphone 11 receives the ultrasonic signal being reflected back toward front 110 further.
Distance acquisition module 13 for obtaining the approach distance of ultrasonic signal according to the ultrasonic signal being reflected back toward front, as the distance in face and front 110.
Processor 14 is for judging the situation of change of this distance, if the numerical value of distance is more and more less, and is less than or equal to predeterminable range, then automatic connecting incoming call; If the numerical value of distance is greater than predeterminable range, then continues through microphone 11 and receive the ultrasonic signal being reflected back toward front.
Due to when user will receive calls, can, by mobile phone 10 near ear (i.e. face), the microphone 11 of mobile phone be utilized to converse.Therefore by the situation of change of the distance judging mobile phone and face, the present embodiment judges whether that this connects phone automatically.In other words, determine distance slowly diminish time, illustrate that mobile phone 10 slowly presses close to face, when distance is less than or equal to default value, such as 3 centimetres time, i.e. automatic call answering.Do not need user's manual ON phone, be with facility to user.
Should be understood that the situation of change regardless of its distance is more and more less or increasing or immobilizes, and all can not connect phone when mobile phone 10 is greater than predeterminable range with the distance of face.
In addition, the embodiment of the present invention is the ultrasonic signal utilizing MEMS microphone 11 to receive to be reflected back toward the front 110 of mobile phone 10, the acoustics sensitiveness that MEMS microphone 11 can be utilized higher on the one hand, support the feature of the voice signal of higher bandwidth, particularly in the feature that the sound higher than 20KHz can effectively be caught, the ultrasonic signal that better acquisition sonar generator 12 sends, makes data more accurate.On the other hand, the use of microphone 11, not by the impact of any environment, can operate in any environment, improve the experience of user.
Wherein, in order to increase the accuracy of data further, the microphone 11 of the present embodiment is at least two, and at least two microphones 11 receive the ultrasonic signal being reflected back toward front respectively.As shown in Figure 2, the present embodiment is provided with 4 microphones 11, and it lays respectively at four corner positions in the front 110 of mobile phone 10.
In the present embodiment, distance acquisition module 13 comprises analog to digital converter 131 and calculator 132 further.Analog to digital converter 131 becomes digital signal for the ultrasonic signal being reflected back front 110 is carried out analog-to-digital conversion.Calculator 132 is for calculating the approach distance of the ultrasonic signal after conversion.
Specifically, citing utilizes two microphones 11 at the top in the front 110 of mobile phone 10 to receive the ultrasonic signal being reflected back toward front by the present embodiment.Wherein, sonar generator 12 is positioned at the centre of these two microphones 11.
Two microphones 11 at the top in the front 110 of mobile phone 10 receive the ultrasonic signal being reflected back toward front respectively.The ultrasonic signal that these two microphones 11 receive is carried out analog-to-digital conversion and becomes digital signal by analog to digital converter 131 respectively.Calculator 132 calculates the approach distance of ultrasonic signal after conversion respectively, and get further approach distance and mean value as the distance in the front 110 of face and mobile phone 10.
Thus, utilize at least two microphones 11 to receive the ultrasonic signal being reflected back toward front, the accuracy of data can be improved further.
In addition, because microphone 11 has the support of distinctive high sampling rate, the flowing trickle for air or vibration and the sound produced catch, the change frequently of obvious electricity can be produced, therefore, the microphone 11 of the present embodiment also receives the frequency signal sent by the vibrations of air, and the frequency signal sent by the vibrations of air eliminated further by processor 14.Thus, the vibrations of air can be removed and the interference produced, further increase the accuracy of data.
In the present embodiment, input/output module 15 controls the open and close of sonar generator 12 and microphone 11 further according to the state of mobile phone 10.Be specially, mobile phone 10 also comprises Receiver Module 16 and an antenna, and when mobile phone 10 is sent a telegram here, the incoming telephone signal received is sent in processor 14 by it, after processor 14 receives this incoming telephone signal, control sonar generator 12 and microphone 11 is gone to open by control inputs output module 15.If do not receive incoming telephone signal, then control sonar generator 12 and microphone 11 are closed, and can save electricity thus.
If when should be understood that the incoming call of the networking telephone or other approach, mobile phone 10 can also pass through other modules, utilizes wifi module etc. to receive incoming telephone signal.
Described in brought forward, the present embodiment is when mobile phone 10 is in incoming call state, the ultrasonic signal in the front 110 being reflected back mobile phone 10 that sonar generator 12 sends is received by microphone 11, analyze according to this ultrasonic signal again, if the distance analyzing the front 110 of face and mobile phone 10 is more and more less, and be less than or equal to predeterminable range, then automatic connecting incoming call.Facilitate user.And under microphone 11 goes for any environment, improve the experience of user.
Further, the present embodiment can also judge the distance in the front of face and mobile phone 10 further when mobile phone 10 is in talking state.Specifically, sonar generator 12, when mobile phone 10 is in talking state, continues to keep operating state, namely sends ultrasonic signal, and microphone 11 continues to receive the ultrasonic signal being reflected back the front 110 of mobile phone 10 equally.If the distance of carrying out the front 110 analyzing face and mobile phone 10 according to this ultrasonic signal is increasing, and be greater than predeterminable range, then processor 14 controls the backlight open of mobile phone screen, and it is more and more less in the distance in the front 110 analyzing face and mobile phone 10, and when being less than or equal to predeterminable range, the backlight controlling mobile phone screen is closed.Can need to operate screen user under talking state thus, such as, during according to language in-put information, open backlight in time, be convenient to user operation.And only receive calls user further, when not needing to operate mobile phone screen, close backlight, reach the effect of power saving.
The present invention also provides a kind of method of mobile phone automatic call answering based on previously described mobile phone.Specifically refer to Fig. 3.
As shown in Figure 3, the comprising the following steps of method of mobile phone automatic call answering:
Step S1: when mobile phone is in incoming call state, by front from sonar generator to mobile phone corresponding to space outerpace send ultrasonic signal.
Step S2: the ultrasonic signal being reflected back toward front by microphones.The microphone of the present embodiment is MEMS (Micro Electro Mechanical System) microphone.Such as, and at least comprise two microphones, previously described mobile phone comprises 4 microphones.
In this step, in order to improve the accuracy of data, receive the ultrasonic signal being reflected back toward front respectively specifically by least two microphones.
Step S3: the ultrasonic signal according to being reflected back toward front obtains the approach distance of ultrasonic signal, as the distance in face and front.
In this step, be specially and the ultrasonic signal being reflected back front is carried out analog-to-digital conversion become digital signal, and calculate the approach distance of the ultrasonic signal after conversion further.
If step S2 receives by least two microphones the ultrasonic signal being reflected back toward front respectively.Then this step be specially respectively by least two microphones to ultrasonic signal carry out analog-to-digital conversion and become digital signal, and the approach distance of ultrasonic signal calculated respectively after conversion, get further approach distance and mean value as the distance in face and front.
Step S4: judging distance situation of change;
Step S5: if the numerical value of distance is more and more less, and be less than or equal to predeterminable range, then automatic connecting incoming call.
Due to when user will receive calls, can, by mobile phone near ear (i.e. face), the microphone of mobile phone be utilized to converse.Therefore this step determine distance slowly diminish time, illustrate that mobile phone slowly presses close to face, when distance is less than or equal to default value, such as 3 centimetres time, i.e. automatic call answering.Do not need user's manual ON phone, be with facility to user.
Step S6: if the numerical value of distance is greater than predeterminable range, then continue through the ultrasonic signal that microphones is reflected back toward front.
Should be understood that the situation of change regardless of its distance is more and more less or increasing or immobilizes, and all can not connect phone when mobile phone 10 is greater than predeterminable range with the distance of face.
Therefore, in the present embodiment, utilize MEMS microphone to receive the ultrasonic signal in the front being reflected back toward mobile phone, the acoustics sensitiveness that MEMS microphone can be utilized higher on the one hand, support the feature of the voice signal of higher bandwidth, particularly in the feature that the sound higher than 20KHz can effectively be caught, better obtain the ultrasonic signal that sonar generator sends, make data more accurate.On the other hand, the use of microphone, not by the impact of any environment, can operate in any environment, improve the experience of user.
In addition, because microphone has the support of distinctive high sampling rate, the flowing trickle for air or vibration and the sound produced catch, the change frequently of obvious electricity can be produced, therefore, the frequency signal that the present embodiment is sent by the vibrations of air further by microphones, then eliminates the frequency signal sent by the vibrations of air.Thus, the vibrations of air can be removed and the interference produced, further increase the accuracy of data.
In addition, the present embodiment also controls the open and close of sonar generator and microphone according to the state of mobile phone.Thus can when mobile phone be in electricity condition, open sonar generator and microphone, mobile phone be in non-come electricity condition time, close sonar generator and microphone, thus, can electricity be saved.
In addition, the present embodiment can also judge the distance in the front of face and mobile phone further when mobile phone is in talking state.Specifically, sonar generator is when mobile phone is in talking state, and continue to keep operating state, namely send ultrasonic signal, microphone continues the ultrasonic signal receiving the front being reflected back mobile phone equally.If the distance of carrying out the front analyzing face and mobile phone according to this ultrasonic signal is increasing, and be greater than predeterminable range, then processor controls the backlight open of mobile phone screen, and it is more and more less in the distance in the front analyzing face and mobile phone, and when being less than or equal to predeterminable range, the backlight controlling mobile phone screen is closed.Can need to operate screen user under talking state thus, such as, during according to language in-put information, open backlight in time, be convenient to user operation.And only receive calls user further, when not needing to operate mobile phone screen, close backlight, reach the effect of power saving.
In sum, the present invention is when mobile phone 10 is in incoming call state, the ultrasonic signal in the front 110 being reflected back mobile phone 10 that sonar generator 12 sends is received by microphone 11, analyze according to this ultrasonic signal again, if the distance analyzing the front 110 of face and mobile phone 10 is more and more less, and be less than or equal to predeterminable range, then automatic connecting incoming call.Facilitate user.And under microphone 11 goes for any environment, improve the experience of user.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize specification of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (10)
1. a method for mobile phone automatic call answering, described mobile phone comprises front and back, wherein, described front is provided with microphone, and when mobile phone is in talking state, face is near described microphone, to be conversed by described microphone, it is characterized in that, described method comprises:
When mobile phone is in incoming call state, by front from sonar generator to described mobile phone corresponding to space outerpace send ultrasonic signal;
The ultrasonic signal in described front is reflected back toward by described microphones;
The approach distance of described ultrasonic signal is obtained, as the distance in face and described front according to the ultrasonic signal being reflected back toward described front;
Judge described distance situation of change;
If the numerical value of described distance is more and more less, and is less than or equal to predeterminable range, then automatically connect described incoming call;
If the numerical value of described distance is greater than predeterminable range, then continue through the ultrasonic signal that described microphones is reflected back toward described front.
2. method according to claim 1, is characterized in that, the step that described basis is reflected back toward the described hyperacoustic approach distance of ultrasonic signal acquisition in described front comprises:
The described ultrasonic signal being reflected back described front is carried out analog-to-digital conversion and becomes digital signal;
Calculate the approach distance of the described ultrasonic signal after conversion.
3. method according to claim 2, is characterized in that, described microphone is at least two, and the described step being reflected back toward the ultrasonic signal in described front by described microphones is comprised:
The ultrasonic signal being reflected back toward described front is received respectively by least two described microphones.
4. method according to claim 3, is characterized in that, the step that described basis is reflected back toward the described hyperacoustic approach distance of ultrasonic signal acquisition in described front comprises:
Respectively by described at least two described microphones to ultrasonic signal carry out analog-to-digital conversion and become digital signal;
Calculate the approach distance of the ultrasonic signal after conversion respectively;
Get described approach distance and mean value as the distance in face and described front.
5. method according to claim 1, is characterized in that, described method also comprises:
The open and close of described sonar generator and described microphone are controlled according to the state of described mobile phone.
6. a mobile phone, is characterized in that, described mobile phone comprises:
Microphone, is arranged on the front of described mobile phone, for when described mobile phone is in talking state, face near described microphone, to be conversed by described microphone;
Sonar generator, for when described mobile phone is in incoming call state, to described mobile phone front corresponding to space outerpace send ultrasonic signal;
Described microphone receives the ultrasonic signal being reflected back toward described front further;
Distance acquisition module, for obtaining the approach distance of described ultrasonic signal according to the ultrasonic signal being reflected back toward described front, as the distance in face and described front;
Processor, for judging described distance situation of change; If the numerical value of described distance is more and more less, and is less than or equal to predeterminable range, then automatically connect described incoming call; If the numerical value of described distance is greater than predeterminable range, then continue through the ultrasonic signal that described microphones is reflected back toward described front.
7. mobile phone according to claim 6, is characterized in that, described distance acquisition module comprises further:
Analog to digital converter, becomes digital signal for the described ultrasonic signal being reflected back described front is carried out analog-to-digital conversion;
Calculator, for calculating the approach distance of the described ultrasonic signal after conversion.
8. mobile phone according to claim 7, is characterized in that, described microphone is at least two, and described at least two microphones receive the ultrasonic signal being reflected back toward described front respectively.
9. mobile phone according to claim 8, is characterized in that, described analog to digital converter respectively by described at least two described microphones to ultrasonic signal carry out analog-to-digital conversion and become digital signal;
Described calculator calculates the approach distance of the ultrasonic signal after conversion respectively, and get further described approach distance and mean value as the distance in face and described front.
10. mobile phone according to claim 6, is characterized in that, described mobile phone comprises switch control module further, for controlling the open and close of described sonar generator and described microphone according to the state of described mobile phone.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410485852.4A CN104301460A (en) | 2014-09-22 | 2014-09-22 | Mobile phone and method for automatically answering call of mobile phone |
| PCT/CN2015/070673 WO2016045265A1 (en) | 2014-09-22 | 2015-01-14 | Mobile phone and automatic call answering method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410485852.4A CN104301460A (en) | 2014-09-22 | 2014-09-22 | Mobile phone and method for automatically answering call of mobile phone |
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| CN104301460A true CN104301460A (en) | 2015-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410485852.4A Pending CN104301460A (en) | 2014-09-22 | 2014-09-22 | Mobile phone and method for automatically answering call of mobile phone |
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| Country | Link |
|---|---|
| CN (1) | CN104301460A (en) |
| WO (1) | WO2016045265A1 (en) |
Cited By (5)
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| CN105825099A (en) * | 2016-03-23 | 2016-08-03 | 惠州Tcl移动通信有限公司 | Inductive unlocking method and system and mobile terminal |
| CN105991827A (en) * | 2015-02-11 | 2016-10-05 | 中兴通讯股份有限公司 | Call processing method and call processing device |
| CN106896362A (en) * | 2017-02-28 | 2017-06-27 | 北京小米移动软件有限公司 | A kind of terminal that function is detected with ultrasonic distance |
| CN106919285A (en) * | 2017-02-28 | 2017-07-04 | 北京小米移动软件有限公司 | A kind of terminal |
| WO2021000165A1 (en) * | 2019-06-30 | 2021-01-07 | 瑞声声学科技(深圳)有限公司 | Mems microphone and mobile terminal |
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Also Published As
| Publication number | Publication date |
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| WO2016045265A1 (en) | 2016-03-31 |
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Application publication date: 20150121 |