CN104280736A - Mobile terminal and prompting method - Google Patents
Mobile terminal and prompting method Download PDFInfo
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- CN104280736A CN104280736A CN201410494221.9A CN201410494221A CN104280736A CN 104280736 A CN104280736 A CN 104280736A CN 201410494221 A CN201410494221 A CN 201410494221A CN 104280736 A CN104280736 A CN 104280736A
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- mobile terminal
- barrier
- unit
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- predeterminable range
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
- G01S15/06—Systems determining the position data of a target
- G01S15/08—Systems for measuring distance only
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
- G01S15/50—Systems of measurement, based on relative movement of the target
- G01S15/58—Velocity or trajectory determination systems; Sense-of-movement determination systems
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/88—Sonar systems specially adapted for specific applications
- G01S15/93—Sonar systems specially adapted for specific applications for anti-collision purposes
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- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Telephone Function (AREA)
Abstract
The embodiment of the invention discloses a mobile terminal and a prompting method. The mobile terminal comprises a detection device, a central processing chip and a prompting device, wherein the detection device is used for transmitting and receiving a detection signal so as to determine the distance between the mobile terminal and an obstacle located within a preset distance of the mobile terminal and relative speed of the mobile terminal and the obstacle, the central processing chip is connected with the detection device and used for determining the distance between the mobile terminal and the obstacle and the relative speed of the mobile terminal and the obstacle according to the detection signal and generating a prompting signal when the ratio of the distance to the relative speed is smaller than a preset threshold value, and the prompting device is connected with the central processing chip and used for executing a corresponding prompting action according to the prompting signal so as to prompt the motion situation of the obstacle within the preset distance of the mobile terminal to a user of the mobile terminal.
Description
Technical field
The present invention relates to electronic technology field, particularly relate to a kind of mobile terminal and reminding method.
Background technology
Along with the development of science and technology, electronic technology have also been obtained development at full speed, and the kind of electronic product also gets more and more, and people have also enjoyed the various facilities that development in science and technology brings.Present people can pass through various types of electronic equipment, enjoy the comfortable life along with development in science and technology brings.Such as, the mobile terminals such as smart mobile phone, panel computer and e-book have become an important ingredient in people's life, user can use the electronic equipment such as smart mobile phone, panel computer to listen to the music, plays games or check webpage etc., to live the pressure brought to alleviate modern fast pace.
But, just because of smart mobile phone, the portability that the mobile terminal such as panel computer and e-book has, make user in moving process as also these mobile terminals can be used when jaywalk etc., thus in the security causing the notice of user no longer to concentrate in moving process, extremely easily cause the generation of safety problem, such as dodging vehicle, pedestrian or some communal facilitys as when railing be can't wait time, namely user can be caused to be subject to personal injury, and mobile terminal of the prior art the function of the barrier motion conditions of undirected user prompting in mobile terminal certain distance.
Therefore, a kind of mobile terminal with this function of barrier motion conditions can pointed out in mobile terminal certain distance is needed badly, to improve user in the security using mobile terminal in moving process.
Summary of the invention
The embodiment of the present invention by providing a kind of mobile terminal and reminding method, in order to provide a kind of mobile terminal with this function of barrier motion conditions can pointed out in mobile terminal certain distance.
The embodiment of the present invention provides a kind of mobile terminal on the one hand, comprising:
Pick-up unit, for transmitting and receiving detection signal, to determine the relative velocity of distance between described mobile terminal and the barrier in described mobile terminal predeterminable range and described mobile terminal and described barrier;
Central processing element, be connected with described pick-up unit, for according to described detection signal, determine the distance between described mobile terminal and described barrier and the relative velocity between described mobile terminal and described barrier, and when described distance is less than predetermined threshold value with the ratio of described relative velocity, generate cue;
Suggestion device, is connected with described central processing element, for performing corresponding prompt action, to point out the user of described mobile terminal the barrier motion conditions in described mobile terminal predeterminable range according to described cue.
Alternatively, described pick-up unit comprises:
Signal transmitting and receiving unit, for launching or receiving described detection signal;
Switch element, described switch element has first end and the second end, described first end is connected with described signal transmitting and receiving unit, described second end is connected with described central processing element, described switch element is used for according to the instruction of described central processing element, controls the in running order or off working state of described signal transmitting and receiving unit.
Alternatively, described signal transmitting and receiving unit is specially ultrasonic transmitter-receiver or radio wave transceiver.
Alternatively, described pick-up unit also comprises amplifying unit, described amplifying unit is arranged between described signal transmitting and receiving unit and described switch element, for being carried out amplifying or amplifying after described signal transmitting and receiving unit receives described detection signal by described detection signal at described signal transmitting and receiving unit.
Alternatively, described pick-up unit also comprises filter unit, described filter unit is arranged between described switch element and described central processing element, described filter unit is used for after described signal transmitting and receiving unit receives described detection signal, carries out filtering process and send to described central processing element to described detection signal.
Alternatively, described mobile terminal also comprises battery and mu balanced circuit, and described mu balanced circuit is connected to described battery and described pick-up unit, and described mu balanced circuit is a predeterminated voltage for the voltage ensureing described pick-up unit and obtain.
Alternatively, described suggestion device specifically comprises at least one in display screen, loudspeaker or vibrating motor.
The present invention also provides a kind of reminding method on the other hand, is applied to mobile terminal, comprises:
Detect and whether there is barrier in described mobile terminal predeterminable range;
When described mobile terminal predeterminable range exists barrier, determine the distance between described mobile terminal and described barrier and the relative velocity between described mobile terminal and described barrier;
When described distance is less than predetermined threshold value with the ratio of described relative velocity, generate cue, to point out the user of described mobile terminal the barrier motion conditions in described mobile terminal predeterminable range.
Alternatively, whether the described mobile terminal predeterminable range of described detection exists barrier, is specially:
By being arranged at ultrasonic transmitter-receiver on described mobile terminal or radio wave transceiver, detecting described mobile terminal predeterminable range and whether there is barrier;
Wherein, when receiving the ultrasound wave reflected through described barrier after described ultrasonic transmitter-receiver launches ultrasound wave, determine that described mobile terminal predeterminable range exists described barrier.
The one or more technical schemes provided in the embodiment of the present invention, at least have following technique effect or advantage:
Owing to have employed the relative velocity being determined distance between mobile terminal and the barrier in mobile terminal predeterminable range and mobile terminal and barrier by pick-up unit, and when distance is less than predetermined threshold value with the ratio of relative velocity, an information is generated by central processing element, and perform corresponding prompt action by suggestion device, thus the barrier motion conditions in prompting mobile terminal predeterminable range, avoid mobile terminal of the prior art not to the defect of barrier motion conditions this function of user's prompting in mobile terminal certain distance, meet the demand to the mobile terminal with this function of barrier motion conditions can pointed out in mobile terminal certain distance, improve the security that user uses mobile terminal in moving process.
Accompanying drawing explanation
The module map of the mobile terminal that Fig. 1 provides for the embodiment of the present invention;
Fig. 2 for user use the embodiment of the present invention provide mobile terminal jaywalk time schematic diagram;
The process flow diagram of the reminding method that Fig. 3 provides for the embodiment of the present invention.
Embodiment
The embodiment of the present invention by providing a kind of mobile terminal and reminding method, in order to provide a kind of mobile terminal with this function of barrier motion conditions can pointed out in mobile terminal certain distance.
In order to better understand technique scheme, below in conjunction with Figure of description and concrete embodiment, technique scheme is described in detail.
The embodiment of the present invention provides a kind of mobile terminal, please refer to Fig. 1, and Fig. 1 is the module map of the mobile terminal that the embodiment of the present invention provides, as shown in Figure 1, this mobile terminal can be specifically smart mobile phone, panel computer or e-book etc. electronic equipment, does not limit at this, and this mobile terminal comprises:
Pick-up unit 101, for transmitting and receiving detection signal, to determine the relative velocity of distance between mobile terminal and the barrier in mobile terminal predeterminable range and mobile terminal and barrier, barrier can be one, also can be multiple, not limit at this; The concrete numerical value of predeterminable range needs the effective working distance being less than or equal to pick-up unit 101, to ensure the accuracy of measured barrier motion conditions, is not also restricted at this.
Central processing element 102, be connected with pick-up unit 101, for according to detection signal, determine the distance between mobile terminal and barrier and the relative velocity between mobile terminal and barrier, and when distance is less than predetermined threshold value with the ratio of relative velocity, generate cue, the concrete numerical value of this predetermined threshold value can be greater than the reaction time of the user of mobile terminal, further, in order to ensure that user can timely avoiding obstacles, improve the security of user, can the concrete setting value of predetermined threshold value be obtained enough large, specifically can the technician belonging to this area set according to actual conditions, do not limit at this,
Suggestion device 103, is connected with central processing element 102, for performing corresponding prompt action, with the barrier motion conditions of the user of prompting mobile terminal in mobile terminal predeterminable range according to cue.
In specific implementation process, please continue to refer to Fig. 1, as shown in Figure 1, pick-up unit 101 comprises:
Signal transmitting and receiving unit 1011, for launching or receiving detection signal;
Switch element 1012, switch element 1012 has first end and the second end, first end is connected with signal transmitting and receiving unit 1011, second end is connected with central processing element 102, switch element 1012 is for the instruction according to central processing element 102, in running order or the off working state of control signal Transmit-Receive Unit 1011, in specific implementation process, switch element 1012 can be an on-off circuit, can open according to the control signal correspondence of central processing element 102 or close, thus in control mobile terminal, point out unlatching or the closedown of this function of barrier motion conditions in mobile terminal certain distance, just repeat no more at this.
In the present embodiment, signal transmitting and receiving unit 1011 is specifically as follows ultrasonic transmitter-receiver or radio wave transceiver, of course, a mobile terminal can arrange multiple ultrasonic transmitter-receiver or radio wave transceiver according to actual needs, do not limit at this.
Particularly, converting electric energy can be become mechanical oscillation and produce ultrasound wave by ultrasonic transmitter-receiver, simultaneously when receiving ultrasound wave, also electric signal can be produced according to the ultrasound wave received, frequency of operation is generally 23-25KHZ and 40-45KHZ, and aerial velocity of propagation is generally 340m/s (in the air of 15 DEG C).
Like this, send ultrasound wave by ultrasonic transmitter-receiver and receive the hyperacoustic mistiming because being reflected by barrier, namely can determine the distance between this barrier and mobile terminal, concrete computing formula is: distance=hyperacoustic velocity of propagation * (mistiming/2).
Namely the relative velocity between mobile terminal and this barrier can be determined by the said process of more than twice or twice, specifically, for twice, set to send for twice and be hyperacousticly spaced apart 0.5s, the distance that first time measures between barrier and mobile terminal is S1, the distance that second time measures between barrier and mobile terminal is S2, then the relative velocity between mobile terminal and barrier=(S1-S2)/0.5.In actual applications, by repeatedly measuring process and being improved the accuracy of the relative velocity between measured mobile terminal and barrier by least square method, just can repeat no more at this.
Of course, namely can determine except the relative velocity between mobile terminal and this barrier except above-mentioned introduction by the said process of more than twice or twice, in actual applications, the relative velocity can also determining between mobile terminal and this barrier by Doppler effect, specifically, when mobile terminal is the continuous ultrasonic of F to barrier transmission frequency, be f by the ultrasonic frequency that barrier reflects, f and F obeys Doppler relation, then can according to the V of Doppler relation, F, f expression formula determines the relative velocity between mobile terminal and this barrier, just repeat no more at this.
Radio wave transceiver be otherwise known as radar (be called for short: Radar; English: radio detection and ranging), different from ultrasonic transmitter-receiver just replaces with radio wave propagation velocity by hyperacoustic speed, the principle that principle is found range with ultrasonic transmitter-receiver or tested the speed is consistent, has just repeated no more at this.
Of course, by above-mentioned introduction, the technician belonging to this area can also according to actual conditions, and the device selecting other suitable, to realize the function of signal transmitting and receiving unit 1011, to meet the needs of actual conditions, has just repeated no more at this.
In specific implementation process, please continue to refer to Fig. 1, pick-up unit 101 also comprises amplifying unit 1013, amplifying unit 1013 is arranged between signal transmitting and receiving unit 1011 and switch element 1012, for carrying out amplifying or amplifying after signal transmitting and receiving unit 1011 receives detection signal, to provide the accuracy of detection signal before detection signal is launched at signal transmitting and receiving unit 1011.In actual applications, amplifying unit 1013 can be specifically an amplifying circuit, does not limit at this.
In specific implementation process, please continue to refer to Fig. 1, pick-up unit 101 also comprises filter unit 1014, filter unit 1014 is arranged between switch element 1012 and central processing element, filter unit 1014 is for after receiving detection signal at signal transmitting and receiving unit 1011, filtering process is carried out to detection signal and send to central processing element, to avoid other garbage signals.In actual applications, filter unit 1014 can be specifically a wave filter or filtering circuit, does not limit at this.
In specific implementation process, please continue to refer to Fig. 1, mobile terminal also comprises battery 104 and mu balanced circuit 105, mu balanced circuit 105 is connected to battery 104 and pick-up unit 101, mu balanced circuit 105 is a predeterminated voltage for the voltage ensureing pick-up unit 101 and obtain, cause pick-up unit 101 can not realize transmitting and receiving the function of detection signal to avoid the voltage because of battery 104 constantly to reduce in the use procedure of mobile terminal, then the relative velocity of distance between mobile terminal and the barrier in mobile terminal predeterminable range and mobile terminal and barrier cannot be determined.
In specific implementation process, please continue to refer to Fig. 1, suggestion device 103 specifically comprises at least one in display screen, loudspeaker or vibrating motor, thus the user of prompting mobile terminal can be carried out by least one mode in picture, video, sound or vibration, such as, be by picture prompting for prompting mode, the picture of the obstacle information in mobile terminal predeterminable range can be shown on a display screen to point out this user.
After the modules having introduced the mobile terminal that the embodiment of the present invention provides, in ensuing part, will specifically introduce the moving process of mobile terminal.
Please refer to Fig. 2, Fig. 2 is the schematic diagram of user when the mobile terminal jaywalk using the embodiment of the present invention to provide of mobile terminal, as shown in Figure 2, user is when needing to use this function of barrier motion conditions in prompting mobile terminal predeterminable range, can by clicking corresponding button or opening corresponding inspection software, like this, namely the central processing element 102 of mobile terminal can respond the clicking operation of user or open this operation of inspection software, generate a control signal, and by this control signal transmit button unit 1012, switch element 1012 is in " unlatching " state according to this control signal, signal transmitting and receiving unit 1011 is started working, also namely start to launch or receive detection signal, to detect the barrier motion conditions in mobile terminal predeterminable range.
Particularly, signal transmitting and receiving unit 1011 outwards launches detection signal, and receive the detection signal reflected by barrier, thus determine the distance between mobile terminal and barrier, and the relative velocity between mobile terminal and barrier, in the present embodiment, as shown in Figure 2, first barrier is specifically as follows an automobile, second barrier is specifically as follows a group traveling together, set the distance recorded between mobile terminal and the first barrier is the first distance simultaneously, relative velocity between first mobile terminal and the first barrier is First Speed, and the distance between mobile terminal and the second barrier is second distance, relative velocity between mobile terminal and the second barrier is second speed, and the first distance is greater than predetermined threshold value with the ratio of First Speed, the ratio of second distance and second speed is less than predetermined threshold value, then can generate an information by central processing element 102, in the present embodiment, set information as passing through picture simultaneously, sound and vibration three kinds of modes carry out the user of prompting mobile terminal, the display screen of then this mobile terminal can show a warning picture, loudspeaker can send, and " there is barrier at second distance place, front, please note " voice prompt, the vibrating motor of mobile terminal can produce the vibration of certain time length, thus clearly point out user.
Can be found out by above-mentioned part, owing to have employed the relative velocity being determined distance between mobile terminal and the barrier in mobile terminal predeterminable range and mobile terminal and barrier by pick-up unit, and when distance is less than predetermined threshold value with the ratio of relative velocity, an information is generated by central processing element, and perform corresponding prompt action by suggestion device, thus the barrier motion conditions in prompting mobile terminal predeterminable range, avoid mobile terminal of the prior art not to the defect of barrier motion conditions this function of user's prompting in mobile terminal certain distance, meet the demand to the mobile terminal with this function of barrier motion conditions can pointed out in mobile terminal certain distance, improve the security that user uses mobile terminal in moving process.
Based on same inventive concept, the embodiment of the present invention also provides a kind of reminding method, please refer to Fig. 3, and Fig. 3 is the process flow diagram of the reminding method that the embodiment of the present invention provides, and as shown in Figure 3, the method comprises:
S1, detect whether there is barrier in mobile terminal predeterminable range;
S2, when mobile terminal predeterminable range exists barrier, determine the distance between mobile terminal and barrier and the relative velocity between mobile terminal and barrier;
S3, when distance is less than predetermined threshold value with the ratio of relative velocity, generate cue, with the barrier motion conditions of the user of prompting mobile terminal in mobile terminal predeterminable range.
In specific implementation process, detect mobile terminal predeterminable range and whether there is barrier, be specially: by being arranged at ultrasonic transmitter-receiver on mobile terminal or radio wave transceiver, detecting mobile terminal predeterminable range and whether there is barrier; Wherein, when receiving the ultrasound wave through barrier reflects after ultrasonic transmitter-receiver launches ultrasound wave, determine that mobile terminal predeterminable range exists barrier.
Reminding method in the present embodiment and the mobile terminal in previous embodiment are based on two aspects under same inventive concept, above to the comprising modules of mobile terminal, run journey and done detailed description, so those skilled in the art can according to the specific implementation process of the reminding method in aforementioned understanding the present embodiment be described clearly, succinct in order to instructions, has just repeated no more at this.
Technical scheme in the invention described above embodiment, at least has following technique effect or advantage:
Owing to have employed the relative velocity being determined distance between mobile terminal and the barrier in mobile terminal predeterminable range and mobile terminal and barrier by pick-up unit, and when distance is less than predetermined threshold value with the ratio of relative velocity, an information is generated by central processing element, and perform corresponding prompt action by suggestion device, thus the barrier motion conditions in prompting mobile terminal predeterminable range, avoid mobile terminal of the prior art not to the defect of barrier motion conditions this function of user's prompting in mobile terminal certain distance, meet the demand to the mobile terminal with this function of barrier motion conditions can pointed out in mobile terminal certain distance, improve the security that user uses mobile terminal in moving process.
Those skilled in the art should understand, embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt the form of complete hardware embodiment, completely software implementation or the embodiment in conjunction with software and hardware aspect.And the present invention can adopt in one or more form wherein including the upper computer program implemented of computer-usable storage medium (including but not limited to magnetic disk memory, CD-ROM, optical memory etc.) of computer usable program code.
The present invention describes with reference to according to the process flow diagram of the method for the embodiment of the present invention, equipment (system) and computer program and/or block scheme.Should understand can by the combination of the flow process in each flow process in computer program instructions realization flow figure and/or block scheme and/or square frame and process flow diagram and/or block scheme and/or square frame.These computer program instructions can being provided to the processor of multi-purpose computer, special purpose computer, Embedded Processor or other programmable data processing device to produce a machine, making the instruction performed by the processor of computing machine or other programmable data processing device produce device for realizing the function of specifying in process flow diagram flow process or multiple flow process and/or block scheme square frame or multiple square frame.
These computer program instructions also can be stored in can in the computer-readable memory that works in a specific way of vectoring computer or other programmable data processing device, the instruction making to be stored in this computer-readable memory produces the manufacture comprising command device, and this command device realizes the function of specifying in process flow diagram flow process or multiple flow process and/or block scheme square frame or multiple square frame.
These computer program instructions also can be loaded in computing machine or other programmable data processing device, make on computing machine or other programmable devices, to perform sequence of operations step to produce computer implemented process, thus the instruction performed on computing machine or other programmable devices is provided for the step realizing the function of specifying in process flow diagram flow process or multiple flow process and/or block scheme square frame or multiple square frame.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (9)
1. a mobile terminal, is characterized in that, comprising:
Pick-up unit, for transmitting and receiving detection signal, to determine the relative velocity of distance between described mobile terminal and the barrier in described mobile terminal predeterminable range and described mobile terminal and described barrier;
Central processing element, be connected with described pick-up unit, for according to described detection signal, determine the distance between described mobile terminal and described barrier and the relative velocity between described mobile terminal and described barrier, and when described distance is less than predetermined threshold value with the ratio of described relative velocity, generate cue;
Suggestion device, is connected with described central processing element, for performing corresponding prompt action, to point out the user of described mobile terminal the barrier motion conditions in described mobile terminal predeterminable range according to described cue.
2. mobile terminal as claimed in claim 1, it is characterized in that, described pick-up unit comprises:
Signal transmitting and receiving unit, for launching or receiving described detection signal;
Switch element, described switch element has first end and the second end, described first end is connected with described signal transmitting and receiving unit, described second end is connected with described central processing element, described switch element is used for according to the instruction of described central processing element, controls the in running order or off working state of described signal transmitting and receiving unit.
3. mobile terminal as claimed in claim 2, it is characterized in that, described signal transmitting and receiving unit is specially ultrasonic transmitter-receiver or radio wave transceiver.
4. mobile terminal as claimed in claim 2, it is characterized in that, described pick-up unit also comprises amplifying unit, described amplifying unit is arranged between described signal transmitting and receiving unit and described switch element, for being carried out amplifying or amplifying after described signal transmitting and receiving unit receives described detection signal by described detection signal at described signal transmitting and receiving unit.
5. mobile terminal as claimed in claim 2, it is characterized in that, described pick-up unit also comprises filter unit, described filter unit is arranged between described switch element and described central processing element, described filter unit is used for after described signal transmitting and receiving unit receives described detection signal, carries out filtering process and send to described central processing element to described detection signal.
6. mobile terminal as claimed in claim 1, it is characterized in that, described mobile terminal also comprises battery and mu balanced circuit, and described mu balanced circuit is connected to described battery and described pick-up unit, and described mu balanced circuit is a predeterminated voltage for the voltage ensureing described pick-up unit and obtain.
7. mobile terminal as claimed in claim 1, it is characterized in that, described suggestion device specifically comprises at least one in display screen, loudspeaker or vibrating motor.
8. a reminding method, is applied to mobile terminal, it is characterized in that, comprising:
Detect and whether there is barrier in described mobile terminal predeterminable range;
When described mobile terminal predeterminable range exists barrier, determine the distance between described mobile terminal and described barrier and the relative velocity between described mobile terminal and described barrier;
When described distance is less than predetermined threshold value with the ratio of described relative velocity, generate cue, to point out the user of described mobile terminal the barrier motion conditions in described mobile terminal predeterminable range.
9. the method for claim 1, is characterized in that, whether the described mobile terminal predeterminable range of described detection exists barrier, is specially:
By being arranged at ultrasonic transmitter-receiver on described mobile terminal or radio wave transceiver, detecting described mobile terminal predeterminable range and whether there is barrier;
Wherein, when receiving the ultrasound wave reflected through described barrier after described ultrasonic transmitter-receiver launches ultrasound wave, determine that described mobile terminal predeterminable range exists described barrier.
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Cited By (10)
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| CN104808209A (en) * | 2015-05-13 | 2015-07-29 | 集怡嘉数码科技（深圳）有限公司 | Method and device for detecting obstacle |
| CN105046880A (en) * | 2015-05-28 | 2015-11-11 | 西安交通大学 | Method of intelligent mobile terminal for carrying out danger monitoring and early warning based on Doppler effect |
| CN105139576A (en) * | 2015-07-09 | 2015-12-09 | 小米科技有限责任公司 | Road condition prompting method and device |
| CN107171685A (en) * | 2017-04-24 | 2017-09-15 | 努比亚技术有限公司 | A kind of Wearable, terminal and safety instruction method |
| CN108597194A (en) * | 2018-04-16 | 2018-09-28 | Oppo广东移动通信有限公司 | alarm method, device, terminal device and storage medium |
| CN108846992A (en) * | 2018-05-22 | 2018-11-20 | 东北大学秦皇岛分校 | A kind of method and device that safe early warning can be carried out to hearing-impaired people |
| CN108845334A (en) * | 2018-04-26 | 2018-11-20 | 上海与德科技有限公司 | A kind of barrier prompt method, apparatus, terminal and storage medium |
| WO2019029157A1 (en) * | 2017-08-07 | 2019-02-14 | 广东轻工职业技术学院 | Apparatus and method capable of automatically identifying obstacle in front of mobile terminal |
| CN109819099A (en) * | 2018-12-13 | 2019-05-28 | 平安科技（深圳）有限公司 | Method for early warning, device, equipment and storage medium in live streaming based on motion detection |
| CN110769374A (en) * | 2019-09-27 | 2020-02-07 | 维沃移动通信有限公司 | Moving object early warning method and device, electronic equipment and storage medium |
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