CN105704289A - Mobile terminal and working method thereof - Google Patents

Mobile terminal and working method thereof Download PDF

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Publication number
CN105704289A
CN105704289A CN201410681755.2A CN201410681755A CN105704289A CN 105704289 A CN105704289 A CN 105704289A CN 201410681755 A CN201410681755 A CN 201410681755A CN 105704289 A CN105704289 A CN 105704289A
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China
Prior art keywords
sound wave
central processing
decoding portion
transducer
signal
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Granted
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CN201410681755.2A
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Chinese (zh)
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CN105704289B (en
Inventor
万晓玲
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ZTE Corp
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ZTE Corp
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Priority to CN201410681755.2A priority Critical patent/CN105704289B/en
Priority to PCT/CN2015/072312 priority patent/WO2016082333A1/en
Publication of CN105704289A publication Critical patent/CN105704289A/en
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    • 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
    • H04M1/725Cordless telephones

Abstract

The invention provides a mobile terminal and a working method thereof and belongs to the communication field. The objective of the invention is to solve the problem of inconvenient utilization of ultrasonic waves and infrasonic waves of people in the prior art. The mobile terminal comprises a transduction part, an acoustic wave coding and decoding part and a central processing part; the transduction part is connected with the acoustic wave coding and decoding part and is used for converting acoustic wave signals into analog electric signals and transmitting the analog electric signals to the acoustic wave coding and decoding part, wherein acoustic wave signals comprise at least one kind of signals selected from infrasonic signals, audible wave signals and ultrasonic wave signals; the acoustic wave coding and decoding part is connected with the transduction part and the central processing part and is used for converting the analog electric signals from the transduction part to digital electric signals and transmitting the digital electric signals to the central processing part; the central processing part is connected with the acoustic wave coding and decoding part and is used for processing the digital electric signals from the acoustic wave coding and decoding part.

Description

A kind of mobile terminal and method of work thereof
Technical field
The present invention relates to communication technical field, particularly relate to a kind of mobile terminal and method of work thereof。
Background technology
Along with the development of smart mobile phone technology, the various softwares being applied on mobile phone also emerge in an endless stream。But in the application of the various audio frequency aspects such as the call of mobile phone, amusement, the frequency of sound is generally also only limitted to the scope (frequency is 20Hz-20000Hz) that human ear can receive, i.e. audible ripple。
But the sound wave of nature is except the audible sound of human ear (audible ripple) in fact, there is also infrasonic wave (frequency sound wave less than 20Hz) and ultrasound wave (frequency sound wave higher than 20000Hz)。Such as, storm at sea, volcano eruption, tsunami, tornado, earthquake, magnetic storm etc. are all likely to infrasonic wave。The vibration of human organ, the animal such as elephant, crocodile, tiger also can produce infrasonic wave。Hyperacoustic existence and application are then more widely known by the people。Such as, dolphin can use frequency to carry out " echo location " at hyperacoustic sound of shouting of more than 200-350kHz, and the ultrasound wave that Vespertilio can use frequency to be 27kHz-54kHz carries out echolocation。
Ultrasound wave and infrasonic wave have huge value in medical treatment, industry and scientific research, how to enable people to utilize ultrasound wave and infrasonic wave to become this area problem demanding prompt solution more easily。
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of mobile terminal and method of work thereof, in order to solve people's problem to ultrasound wave and infrasonic utilization inconvenience in prior art。
The present invention provides a kind of mobile terminal, including: transducing portion, sound wave encoding and decoding portion and central processing department;Described transducing portion, is connected with described sound wave encoding and decoding portion, is transferred to described sound wave encoding and decoding portion for acoustical signal is converted to analog electrical signal;Described acoustical signal includes at least one in ultrasonic signal, infrasound signals and audible wave acoustic signals;Described sound wave encoding and decoding portion, is connected with described transducing portion and described central processing department respectively, for passing to central processing department after converting the analog electrical signal from described transducing portion to digital electric signal;Described central processing department, is connected with described sound wave encoding and decoding portion, for being processed by the digital electric signal from described sound wave encoding and decoding portion。
Optionally, described transducing portion includes: ultrasonic transducer, secondary sonic transducer and audible wave transducer。
Optionally, described ultrasonic transducer, described sonic transducer are connected with described sound wave encoding and decoding portion by variable connector with described audible wave transducer。
Further, described sound wave encoding and decoding portion, passes to described audible wave transducer after being additionally operable to convert the digital electric signal of central processing department to analog electrical signal;Described audible wave transducer, is additionally operable to the analog electrical signal from described sound wave encoding and decoding portion is converted to sub-audible sound output。
Optionally, described central processing department amplitude-frequency characteristic and phase-frequency characteristic specifically for being undertaken processing to obtain described digital electric signal by the digital electric signal from described sound wave encoding and decoding portion。
Further, described mobile terminal also includes display part, and described display part is connected with described central processing department, for showing the data after described central processing department processes。
Optionally, described mobile terminal includes the one in mobile phone, panel computer, personal digital assistant。
On the other hand, the present invention also provides for the method for work of a kind of mobile terminal, including: by the transducing portion of described mobile terminal, acoustical signal is converted to analog electrical signal and is transferred to described sound wave encoding and decoding portion;Described acoustical signal includes at least one in ultrasonic signal, infrasound signals and audible wave acoustic signals;By described sound wave encoding and decoding portion, after converting the analog electrical signal from described transducing portion to digital electric signal, pass to central processing department;By described central processing department, the digital electric signal from described sound wave encoding and decoding portion is processed。
Optionally, described transducing portion includes: ultrasonic transducer, secondary sonic transducer and audible wave transducer。
Further, by described central processing department, after processing from the digital electric signal in described sound wave encoding and decoding portion, described method also includes: by described sound wave encoding and decoding portion, pass to described audible wave transducer after converting the digital electric signal of central processing department to analog electrical signal;By described audible wave transducer, the analog electrical signal from described sound wave encoding and decoding portion is converted to sub-audible sound output。
The mobile terminal of embodiment of the present invention offer and method of work thereof, its transducing portion can convert any one in ultrasonic signal, infrasound signals and audible wave acoustic signals to analog electrical signal, this analog electrical signal can through sound wave encoding and decoding portion be encoded with analog digital conversion after transfer to central processing department process to form a series of digital electric signal, thus achieving the conversion between three class acoustical signals and the signal of telecommunication on the mobile terminals such as common mobile phone, panel computer or personal digital assistant, ultrasound wave and infrasonic application provided convenience condition for people。
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the mobile terminal that the embodiment of the present invention provides;
Fig. 2 is a kind of structural representation of the mobile phone that the embodiment of the present invention provides;
Fig. 3 is a kind of flow chart being operated by input equipment to control mobile phone;
Fig. 4 is the another kind of flow chart being operated by input equipment to control mobile phone;
Fig. 5 is a kind of flow chart of the method for work of the mobile terminal that the embodiment of the present invention provides。
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in detail。Should be appreciated that specific embodiment described herein is only in order to explain the present invention, does not limit the present invention。
As it is shown in figure 1, embodiments of the invention provide a kind of mobile terminal, including: transducing portion 1, sound wave encoding and decoding portion 2 and central processing department 3;
Transducing portion 1, is connected with sound wave encoding and decoding portion 2, is transferred to sound wave encoding and decoding portion 2 for acoustical signal is converted to analog electrical signal;Described acoustical signal includes at least one in ultrasonic signal, infrasound signals and audible wave acoustic signals;
Sound wave encoding and decoding portion 2, is connected with transducing portion 1 and central processing department 3 respectively, for passing to central processing department 3 after converting the analog electrical signal from transducing portion 1 to digital electric signal;
Central processing department 3, is connected with sound wave encoding and decoding portion 2, for being processed by the digital electric signal from sound wave encoding and decoding portion 2。
The mobile terminal that the embodiment of the present invention provides, its transducing portion 1 can convert any one in ultrasonic signal, infrasound signals and audible wave acoustic signals to analog electrical signal, this analog electrical signal can through sound wave encoding and decoding portion 2 be encoded with analog digital conversion after transfer to central processing department 3 process to form a series of digital electric signal, thus achieving the conversion between three class acoustical signals and the signal of telecommunication on the mobile terminals such as common mobile phone, panel computer or personal digital assistant, ultrasound wave and infrasonic application provided convenience condition for people。
Owing to transducing portion 1 carries three kinds of conversions between acoustical signal and the signal of telecommunication, in order to make the sound of each frequency range change and can smoothly complete, optionally, transducing portion 1 can include the transducer of ultrasonic transducer, secondary sonic transducer and audible wave transducer three types, preferably, each type of transducer can also include different frequency response parts。Such as, ultrasonic transducer can be the piezoelectric ceramics of multi-frequency response characteristic, and audible wave transducer can be Mike, and secondary sonic transducer can be capacitive infrasonic sensor etc.。These ultrasonic transducers, secondary sonic transducer can pass through variable connector with audible wave transducer and be connected with sound wave encoding and decoding portion 2 such that it is able to by the acoustical signal of different frequency range is changed by the control realization of variable connector。
Analog electrical signal can be converted to digital electric signal and carry out Digital Signal Processing for central processing department 3 by sound wave encoding and decoding portion 2。
Specifically, the digital electric signal that sound wave lsb decoder 2 can be transmitted by central processing department 3 carries out various process, in order to know all features of the acoustical signal that this digital electric signal is corresponding。Such as, in one embodiment of the invention, central processing department 3 may be used for being undertaken processing by the digital electric signal from sound wave encoding and decoding portion 2 thus obtaining amplitude-frequency characteristic and the phase-frequency characteristic of described digital electric signal。
Further, the mobile terminal that the embodiment of the present invention provides, may also include display part, described display part can be connected with central processing department 3, for showing the data after central processing department 3 processes。Such as, display part may be used for showing the amplitude-frequency characteristic of above-mentioned digital electric signal and the characteristic curve of phase-frequency characteristic。
So, although people can't hear ultrasonic and infrasonic sound, but ultrasonic signal and the infrasound signals in the external world can be detected by mobile terminal provided by the invention, and amplitude-frequency characteristic and the phase-frequency characteristic of the ultrasonic signal detected and infrasound signals are shown, so that user can more in depth study feature and the rule of the object sending ultrasonic or infrasonic sound。Such as, infrasonic wave produced by aurora is utilized, it is possible to the rule that research aurora are movable;Utilize the infrasonic wave that received tested sound source produces, it is possible to the detection position of sound source, size etc.。Additionally, many disastrous natural phenomenas, such as volcano eruption, tornado, typhoon etc., infrasonic wave may be given off before occurring, it is also possible to utilize these infrasonic sound premonitory phenomenons predict and forecast the generation of these disastrous natural events。Some organ of people and other biological also can send faint infrasonic wave, and the infrasonic wave sent by measuring these organs also is understood that human body or the active situation of other biological corresponding organ。
Further, sound wave encoding and decoding portion 2 except converting digital electric signal to for except central processing department 3 by analog electrical signal, it may also be used for passes to audible wave transducer after converting the digital electric signal of central processing department 3 to analog electrical signal;Audible wave transducer, it is additionally operable to the analog electrical signal from sound wave encoding and decoding portion 2 is converted to sub-audible sound output, namely can converting electrical signals to audio signal, possess electroacoustic translation function, audible wave transducer can be such as loudspeaker, earphone, audio amplifier etc.。
Below by specific embodiment, the technical scheme of the embodiment of the present invention is described in detail。As in figure 2 it is shown, embodiments provide a kind of mobile phone 4, including: acoustical-electrical transducer part 11, sound wave encoding and decoding device 12, central processing unit 13, image display device 14, electro-acoustic transducer device 15 and input equipment 16。
Wherein, acoustical-electrical transducer part 11 can receive wideband acoustical signal (including undersonic frequency acoustical signal, audible wave frequency acoustical signal, supersonic frequency acoustical signal) and pass to sound wave encoding and decoding device 12 after it converts analog electrical signal to。Analog electrical signal can be amplified by sound wave encoding and decoding device 12, analog digital conversion, coding, forms digital signal for central processing unit 13。Digital signal can be analyzed by central processing unit 13, therefrom extracts frequency and range signal。Central processing unit 13 process after digital signal can pass to image display device 14 and carry out feature and show, or pass to sound wave encoding and decoding device 12, and carry out sound wave output by electro-acoustic transducer device 15, or the two carries out simultaneously。Concrete which kind of mode of employing, it is possible to be operated by input equipment by user and realize。Wherein, sound wave output can realize with the form that audio frequency is play for the acoustical signal of audible wave frequency。
Fig. 3 and Fig. 4 respectively user is operated by input equipment to control the flow chart of mobile phone 4。Fig. 3 is frequency of sound wave Switch Control flow process, and Fig. 4 is central processing unit data output control flows。
In conjunction with Fig. 2 and Fig. 3 it can be seen that after starting frequency of sound wave switch changeover program, first determine whether the information that input equipment 16 obtains, carry out the switching control of acoustic-electrical transducer part 11 according to the information of input equipment 16 acquisition。Such as, if the information that input equipment 16 obtains is for being switched to ultrasonic frequency, then acoustical-electrical transducer part 11 path is switched to ultrasonic acoustic power conversion device, if the information that input equipment 16 obtains is for being switched to audible wave acoustic signals frequency or infrasound signals frequency, it is also carried out similar process, opens corresponding energy transducer。If the information that input equipment obtains is for exiting, then terminate frequency of sound wave switch changeover program。
Known in conjunction with Fig. 2 and Fig. 4, after starting data Output Control Program, first determine whether the information of input equipment 16, if the information that input equipment 16 obtains is for only to show voice data information by image, the data that then central processing unit 13 leads to image display device are opened, and digital audio-frequency data demonstrates frequency and the amplitude of signal by image display device 14;If the information that input equipment 16 obtains is for only to export voice data information by audio frequency, the data that then central processing unit 13 leads to sound wave encoding and decoding device 12 are opened, by data to sound wave encoding and decoding device 12, audio digital signals is decoded by sound wave encoding and decoding device 12 again, after digital-to-analogue conversion, output is to electro-acoustic transducer device 15;If select to open image to show and sound wave output simultaneously, then the two data is all opened;If selecting to exit, then terminate central processing unit data Output Control Program。
It should be noted that, mobile terminal provided by the invention is illustrated by the present embodiment for mobile phone, but mobile terminal provided by the invention is not limited to this, it is also possible to for panel computer, personal digital assistant etc., other move equipment, and this is not limited by embodiments of the invention。
Accordingly, embodiments of the invention also provide for the method for work of a kind of mobile terminal, as it is shown in figure 5, the method includes:
S11, is converted to analog electrical signal by the transducing portion of described mobile terminal by acoustical signal and is transferred to described sound wave encoding and decoding portion;Described acoustical signal includes at least one in ultrasonic signal, infrasound signals and audible wave acoustic signals;
S12, by described sound wave encoding and decoding portion, passes to central processing department after converting the analog electrical signal from described transducing portion to digital electric signal;
S13, by described central processing department, processes the digital electric signal from described sound wave encoding and decoding portion。
The method of work of the mobile terminal that the embodiment of the present invention provides, transducing portion can be passed through and convert any one in ultrasonic signal, infrasound signals and audible wave acoustic signals to analog electrical signal, this analog electrical signal can through sound wave encoding and decoding portion be encoded with analog digital conversion after transfer to central processing department process to form a series of digital electric signal, thus achieving the conversion between three class acoustical signals and the signal of telecommunication on the mobile terminals such as common mobile phone, panel computer, personal digital assistant, ultrasound wave and infrasonic application provided convenience condition for people。
Optionally, described transducing portion includes: ultrasonic transducer, secondary sonic transducer and audible wave transducer。
Further, step S13 is by central processing department, and after processing from the digital electric signal in described sound wave encoding and decoding portion, the method for work of the mobile terminal that the embodiment of the present invention provides may also include that
By sound wave encoding and decoding portion, after converting the digital electric signal of central processing department to analog electrical signal, pass to audible wave transducer;
By audible wave transducer, the analog electrical signal from sound wave encoding and decoding portion is converted to sub-audible sound output。
Further, data after central processing department is processed, not only by voice output, these data are exported, can also being displayed in the form of images by some choacoustic frequency characteristics that these data are embodied by the display part being connected with central processing department, this is not construed as limiting by embodiments of the invention。
Although being example purpose, having been disclosed for the preferred embodiments of the present invention, it is also possible for those skilled in the art will recognize various improvement, increase and replacement, and therefore, the scope of the present invention should be not limited to above-described embodiment。

Claims (10)

1. a mobile terminal, it is characterised in that including: transducing portion, sound wave encoding and decoding portion and central processing department;
Described transducing portion, is connected with described sound wave encoding and decoding portion, is transferred to described sound wave encoding and decoding portion for acoustical signal is converted to analog electrical signal;Described acoustical signal includes at least one in ultrasonic signal, infrasound signals and audible wave acoustic signals;
Described sound wave encoding and decoding portion, is connected with described transducing portion and described central processing department respectively, for passing to central processing department after converting the analog electrical signal from described transducing portion to digital electric signal;
Described central processing department, is connected with described sound wave encoding and decoding portion, for being processed by the digital electric signal from described sound wave encoding and decoding portion。
2. terminal according to claim 1, it is characterised in that described transducing portion includes: ultrasonic transducer, secondary sonic transducer and audible wave transducer。
3. terminal according to claim 2, it is characterised in that described ultrasonic transducer, described sonic transducer are connected with described sound wave encoding and decoding portion by variable connector with described audible wave transducer。
4. terminal according to claim 2, it is characterised in that described sound wave encoding and decoding portion, passes to described audible wave transducer after being additionally operable to convert the digital electric signal of central processing department to analog electrical signal;
Described audible wave transducer, is additionally operable to the analog electrical signal from described sound wave encoding and decoding portion is converted to sub-audible sound output。
5. terminal according to claim 1, it is characterised in that described central processing department amplitude-frequency characteristic and phase-frequency characteristic specifically for being undertaken processing to obtain described digital electric signal by the digital electric signal from described sound wave encoding and decoding portion。
6. terminal according to any one of claim 1 to 5, it is characterised in that also including display part, described display part is connected with described central processing department, for showing the data after described central processing department processes。
7. terminal according to any one of claim 1 to 5, it is characterised in that described mobile terminal includes the one in mobile phone, panel computer, personal digital assistant。
8. the method for work of a mobile terminal, it is characterised in that including:
By the transducing portion of described mobile terminal, acoustical signal is converted to analog electrical signal and is transferred to described sound wave encoding and decoding portion;Described acoustical signal includes at least one in ultrasonic signal, infrasound signals and audible wave acoustic signals;
By described sound wave encoding and decoding portion, after converting the analog electrical signal from described transducing portion to digital electric signal, pass to central processing department;
By described central processing department, the digital electric signal from described sound wave encoding and decoding portion is processed。
9. method according to claim 8, it is characterised in that described transducing portion includes: ultrasonic transducer, secondary sonic transducer and audible wave transducer。
10. method according to claim 9, it is characterised in that by described central processing department, after processing from the digital electric signal in described sound wave encoding and decoding portion, described method also includes:
By described sound wave encoding and decoding portion, after converting the digital electric signal of central processing department to analog electrical signal, pass to described audible wave transducer;
By described audible wave transducer, the analog electrical signal from described sound wave encoding and decoding portion is converted to sub-audible sound output。
CN201410681755.2A 2014-11-24 2014-11-24 Mobile terminal and working method thereof Active CN105704289B (en)

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PCT/CN2015/072312 WO2016082333A1 (en) 2014-11-24 2015-02-05 Mobile terminal and working method therefor, and computer storage medium

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EP2557763A1 (en) * 2011-08-10 2013-02-13 Research In Motion Limited Remote control of a portable electronic device and method therefor
CN103278842A (en) * 2013-05-23 2013-09-04 朱江 Earthquake predicting and pre-warning system based on ground source ultrasonic wave monitoring and analysis
CN103888566A (en) * 2014-04-03 2014-06-25 杜晨林 Mobile terminal
US20140200054A1 (en) * 2013-01-14 2014-07-17 Fraden Corp. Sensing case for a mobile communication device

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102293666A (en) * 2010-06-24 2011-12-28 富士胶片株式会社 Ultrasonic photoacoustic imaging apparatus and operation method of the same
CN102652677A (en) * 2011-03-03 2012-09-05 富士胶片株式会社 Ultrasound diagnostic apparatus and ultrasound image producing method
CN202043190U (en) * 2011-03-23 2011-11-16 上海优熠电子科技有限公司 Cellphone with ultrasonic hand input function
EP2557763A1 (en) * 2011-08-10 2013-02-13 Research In Motion Limited Remote control of a portable electronic device and method therefor
US20140200054A1 (en) * 2013-01-14 2014-07-17 Fraden Corp. Sensing case for a mobile communication device
CN103278842A (en) * 2013-05-23 2013-09-04 朱江 Earthquake predicting and pre-warning system based on ground source ultrasonic wave monitoring and analysis
CN103888566A (en) * 2014-04-03 2014-06-25 杜晨林 Mobile terminal

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CN105704289B (en) 2020-11-27

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