CN104599455A - Intelligent alarm method and system - Google Patents
Intelligent alarm method and system Download PDFInfo
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- CN104599455A CN104599455A CN201410857554.3A CN201410857554A CN104599455A CN 104599455 A CN104599455 A CN 104599455A CN 201410857554 A CN201410857554 A CN 201410857554A CN 104599455 A CN104599455 A CN 104599455A
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- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/24—Reminder alarms, e.g. anti-loss alarms
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Abstract
The invention discloses an intelligent alarm method and system, wherein the method comprises the following steps: in the calibration mode, the distance between a first terminal and a second terminal which are connected in a short-distance wireless communication mode is obtained, the corresponding relation between the distance and the wireless signal strength of the short-distance wireless communication connection is established, a wireless signal strength alarm threshold value corresponding to a preset alarm distance is obtained according to the corresponding relation, and after the calibration mode is exited, if the obtained wireless signal strength is smaller than the wireless signal strength alarm threshold value, a first alarm is sent. According to the invention, the relation between the corresponding wireless signal strength and the distance between the two terminals is obtained through the unique identification information of the second terminal, the distance between the two terminals can be monitored by monitoring the wireless signal strength, the anti-lost reminding function is realized, and the distance detection error caused by the individual difference of the wireless power of each device is avoided.
Description
Technical field
The present invention relates to short-distance wireless communication applied technical field, particularly relate to a kind of method and system of intelligent alarm.
Background technology
Short-distance wireless communication technology has been deep into the various aspects of people's live and work, comprises mobile phone used in everyday, wireless telephone etc., and wherein, bluetooth, due to characteristics such as its low-power consumption, efficient data transfer, connective stability height, is applied very extensive.
Current a lot of intelligent watch or bracelet, all matching with mobile phone uses, anti-lost function is realized by wireless networks such as bluetooths, principle utilizes the low-power consumption of bluetooth and is connected distance property, when exceeding certain distance apart between two terminals being set up short-distance wireless communication connection by bluetooth, connection both sides can be reminded by automatic alarm, prevent hypertelorism, play anti-lost prompting effect.
The wireless network that anti-lost prompting function uses is generally bluetooth or WIFI, but because different each wireless device emissive power of style of different mobile phone and structure there are differences, anti-lost prompting function software cannot the different mobile phone of the many moneys of simultaneous adaptation, to some distances than more sensitive use scenes, larger metrical error can be caused because each wireless device emissive power and structure there are differences, there is very large risk and inconvenience, the effect of good anti-lost prompting cannot be played.
Summary of the invention
The embodiment of the present invention provides a kind of method and system of intelligent alarm, solves above technical matters.
For reaching this object, the present invention by the following technical solutions:
First aspect, the embodiment of the present invention provides a kind of method of intelligent alarm, comprising:
Under calibration mode, obtain the distance between first terminal and the second terminal setting up short-distance wireless communication connection;
Set up the corresponding relation of the wireless signal strength that described distance is connected with described short-distance wireless communication;
According to described corresponding relation, obtain the wireless signal strength alarm threshold value that default alarm distance is corresponding;
After exiting calibration mode, if the wireless signal strength obtained is less than described wireless signal strength alarm threshold value, send the first warning.
Preferably, described step: according to described corresponding relation, after obtaining wireless signal strength alarm threshold value corresponding to default alarm distance, also comprises:
After exiting calibration mode, the wireless signal strength that short-distance wireless communication described in Real-time Obtaining connects;
Judge whether the wireless signal strength obtained is less than described wireless signal strength alarm threshold value;
If so, the first warning is sent;
Otherwise, do not send the first warning, continue the wireless signal strength that described in Real-time Obtaining, short-distance wireless communication connects.
Preferably, described step: under calibration mode, before obtaining the distance between first terminal and the second terminal setting up short-distance wireless communication connection, also comprises:
First terminal is set up short-distance wireless communication with the second terminal and is connected;
Obtain the unique identification information of the second terminal;
Judge whether store the described corresponding relation corresponding with described unique identification information in local storer;
If so, from described storer, described corresponding relation is obtained;
Otherwise, control first terminal and enter calibration mode.
Preferably, described step: control first terminal also comprises after entering calibration mode:
Start sonic detection function, obtain current time, using current time as sound wave transmitting time, be encoded into detection sound wave, sent by sound wave mode;
Obtained the acoustic transit time of described detection sound wave from the second terminal by short-distance wireless communication; The acoustic transit time of described detection sound wave is that the second terminal calculates acquisition according to the time and described sound wave transmitting time that receive described detection sound wave;
The distance between first terminal and the second terminal obtaining and set up short-distance wireless communication connection is calculated according to the acoustic transit time of described detection sound wave and the transmission speed of sound wave;
Close sonic detection function.
Preferably, described step: by short-distance wireless communication from after the second terminal obtains the acoustic transit time of described detection sound wave, also comprise: obtain the wireless signal strength that when receiving described acoustic transit time, described short-distance wireless communication connects;
Described step: the corresponding relation setting up the wireless signal strength that described distance is connected with described short-distance wireless communication; Specifically comprise:
Generate an associated data files according to the wireless signal strength that described distance is connected with described short-distance wireless communication when receiving described acoustic transit time, be stored in described storer;
Judge whether the quantity of the associated data files in described storer is less than default amount threshold;
If so, send the second warning, prompting user moves the position of first terminal and/or the second terminal;
Otherwise, set up the corresponding relation of the wireless signal strength that described distance is connected with described short-distance wireless communication according to the associated data files stored, described corresponding relation be stored in described storer, and control first terminal and exit calibration mode.
Preferably, described step: send the second warning, prompting user also comprises after moving the position of first terminal and/or the second terminal: whether detection in real time receives controls the switch controlling signal that first terminal starts sonic detection function;
If so, be back to described step: start sonic detection function, obtain current time, using current time as sound wave transmitting time, be encoded into detection sound wave, sent by sound wave mode;
Otherwise, continue to detect the switch controlling signal whether receiving and control first terminal startup sonic detection function.
Preferably, the acoustic transit time of described detection sound wave is that the second terminal calculates acquisition according to the time and described sound wave transmitting time that receive described detection sound wave, is specially:
Second terminal detects the described detection sound wave whether receiving first terminal and send in real time;
If not, the second terminal continues real-time detection and whether receives the described detection sound wave that first terminal sends;
If so, the second terminal obtains the time receiving described detection sound wave; Second terminal is decoded to described detection sound wave, obtains the sound wave transmitting time of described detection sound wave; Second terminal obtains the acoustic transit time of described detection sound wave according to the time and described sound wave transmitting time that receive described detection sound wave; Described acoustic transit time is sent to first terminal by short-distance wireless communication by the second terminal.
Preferably, described step: first terminal and the second terminal are set up before short-distance wireless communication is connected, and also comprise:
Pre-set an amount threshold and an alarm distance;
Wherein, alarm distance and the alarm distance between first terminal and the second terminal.
Preferably, described step: the storer local according to the unique identification information inquiry of the second terminal, before judging whether store the described corresponding relation corresponding with described unique identification information in local storer, also comprises:
Whether real-time detection receives controls the switch controlling signal that first terminal enters calibration mode;
If so, control first terminal and enter calibration mode;
Otherwise the storer local according to the unique identification information inquiry of the second terminal, judges whether store the described corresponding relation corresponding with described unique identification information in local storer.
Preferably, described step: first terminal is set up short-distance wireless communication with the second terminal and is connected, and is specially:
First terminal is set up short-distance wireless communication with the second terminal by bluetooth and is connected.
Second aspect, the embodiment of the present invention provides a kind of system of intelligent alarm, comprising: first terminal and the second terminal;
First terminal comprises:
Numerical value processing module, under calibration mode, obtains the distance between first terminal and the second terminal setting up short-distance wireless communication connection; Also for setting up the corresponding relation of the wireless signal strength that described distance is connected with described short-distance wireless communication; Also for according to described corresponding relation, obtain the wireless signal strength alarm threshold value that default alarm distance is corresponding;
First alarm module, after exiting calibration mode, if the wireless signal strength obtained is less than described wireless signal strength alarm threshold value, sends the first warning.
Preferably, first terminal also comprises wireless signal strength acquisition module, after exiting calibration mode, and the wireless signal strength that short-distance wireless communication described in Real-time Obtaining connects;
Described first alarm module is also for judging whether the wireless signal strength obtained is less than described wireless signal strength alarm threshold value; If so, the first warning is sent; Otherwise, do not send the first warning, continue the wireless signal strength that described in Real-time Obtaining, short-distance wireless communication connects.
Preferably, first terminal also comprises the first communication connection module and storer;
Described first communication connection module is used for setting up short-distance wireless communication with the second terminal and is connected;
Described numerical value processing module is also for obtaining the unique identification information of the second terminal;
Whether described numerical value processing module also stores the described corresponding relation corresponding with described unique identification information for judging in described storer; If so, from described storer, described corresponding relation is obtained; Otherwise, control first terminal and enter calibration mode.
Preferably, first terminal also comprises the first clock module and the first sound wave transceiver module;
A described clock module is used for Real-time Obtaining current time;
Described first sound wave transceiver module, for starting sonic detection function, is obtained current time, using current time as sound wave transmitting time, is encoded into detection sound wave, is sent by sound wave mode;
Described numerical value processing module is also for obtaining the acoustic transit time of described detection sound wave from the second terminal by short-distance wireless communication; The acoustic transit time of described detection sound wave is that the second terminal calculates acquisition according to the time and described sound wave transmitting time that receive described detection sound wave;
Described numerical value processing module is also for calculating the distance between first terminal and the second terminal obtaining and set up short-distance wireless communication connection according to the acoustic transit time of described detection sound wave and the transmission speed of sound wave;
Described numerical value processing module also for after the described distance of acquisition, sends the control signal of closing sonic detection function to described first sound wave transceiver module;
Described first sound wave transceiver module also for after the control signal receiving the closedown sonic detection function that described numerical value processing module sends, closes sonic detection function.
Preferably, described wireless signal strength acquisition module also for obtain receive described acoustic transit time time the described short-distance wireless communication wireless signal strength that connects;
The wireless signal strength of described numerical value processing module also for being connected with described short-distance wireless communication when receiving described acoustic transit time according to described distance generates an associated data files, is stored in described storer;
Described numerical value processing module is also for judging whether the quantity of the associated data files in described storer is less than default amount threshold; If so, the second alarm control signal is sent to described first alarm module; Otherwise, set up the corresponding relation of the wireless signal strength that described distance is connected with described short-distance wireless communication according to the associated data files stored, described corresponding relation be stored in described storer, and control first terminal and exit calibration mode;
Described first alarm module, also for when receiving described second alarm control signal, sends the second warning, and prompting user moves the position of first terminal and/or the second terminal.
Preferably, first terminal also comprises gauge tap; Described gauge tap comprises the function button starting sonic detection function, after sending the second warning for described first alarm module, if detect, the clicked or touch-control of the function button starting sonic detection function comes into force, and sends control the switch controlling signal that first terminal starts sonic detection function to described first sound wave transceiver module;
Described first sound wave transceiver module also controls for detecting in real time whether to receive the switch controlling signal that first terminal starts sonic detection function, if, start sonic detection function, obtain current time, using current time as sound wave transmitting time, be encoded into detection sound wave, sent by sound wave mode; Otherwise, continue to detect the switch controlling signal whether receiving and control first terminal startup sonic detection function.
Preferably, the second terminal comprises second communication link block, second clock module, acoustic transit time acquisition module, the second sound wave transceiver module:
Described second communication link block is used for setting up short-distance wireless communication with first terminal and is connected;
Described second clock module is used for the Real-time Obtaining current time;
Described second sound wave transceiver module is used for real-time detection and whether receives the described detection sound wave that first terminal sends; If not, continue to detect the described detection sound wave whether receiving first terminal and send; If so, notify that described acoustic transit time acquisition module obtains current time from described second clock module, namely the second terminal receives the time of described detection sound wave;
Described second sound wave transceiver module also for decoding to described detection sound wave, obtains the sound wave transmitting time of described detection sound wave;
Described acoustic transit time acquisition module is used for obtaining from described second clock module receiving the time of described detection sound wave and obtaining the sound wave transmitting time of described detection sound wave from described second sound wave transceiver module; Also for obtaining the acoustic transit time of described detection sound wave according to the time and described sound wave transmitting time that receive described detection sound wave; Also for described acoustic transit time being sent to first terminal by short-distance wireless communication.
Preferably, first terminal also comprises threshold setting module, for pre-setting an amount threshold and an alarm distance;
Wherein, described alarm distance and the alarm distance between first terminal and the second terminal.
Preferably, described gauge tap also comprises the function button starting calibration mode, if for detecting that starting the clicked or touch-control of the function button of calibration mode comes into force, and sends to described numerical value processing module and controls the switch controlling signal that first terminal enters calibration mode;
Described numerical value processing module also controls for detecting in real time whether to receive the switch controlling signal that first terminal enters calibration mode; If so, control first terminal and enter calibration mode; Otherwise the storer local according to the unique identification information inquiry of the second terminal, judges whether store the described corresponding relation corresponding with described unique identification information in local storer.
Preferably, described first communication connection module and described second communication link block are Bluetooth function module; First terminal is set up short-distance wireless communication with the second terminal by bluetooth and is connected.
The beneficial effect that the technical scheme that the embodiment of the present invention provides is brought: first terminal and the second terminal set up short-distance wireless communication when being connected first, enter calibration mode, set up the corresponding relation of the distance between wireless signal strength and two terminals, after acquisition corresponding relation, namely calibration mode is exited, then can according to this corresponding relation and and two terminals pre-set between alarm distance obtain a wireless signal strength alarm threshold value, when the wireless signal strength obtained is less than wireless signal strength alarm threshold value, send warning, realize anti-lost prompting function, whether the distance that after the present invention exits calibration mode by monitoring, the wireless signal strength of Real-time Obtaining can realize between Real-Time Monitoring two terminal is excessively far away, so can avoid the distance metrical error that the individual difference due to the wireless power of each equipment causes, and this corresponding relation can store after foundation, set up when short-distance wireless communication connects in second time and directly call acquisition, very convenient and practical.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing the embodiment of the present invention is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the content of the embodiment of the present invention and these accompanying drawings.
Fig. 1 is the block diagram of the system of the intelligent alarm that the embodiment of the present invention provides.
Fig. 2 is the method flow diagram of the intelligent alarm that the embodiment of the present invention provides.
Fig. 3 is the method flow diagram setting up corresponding relation that the embodiment of the present invention provides.
Fig. 4 is the method flow diagram of the second terminal acquisition acoustic transit time that the embodiment of the present invention provides.
In figure: 10, first terminal; 20, the second terminal; 11, the first communication connection module; 12, wireless signal strength acquisition module; 13, the second alarm module; 14, storer; 15, numerical value processing module; 16, threshold setting module; 17, the first clock module; 18, the first sound wave transceiver module; 19, gauge tap; 21, second communication link block; 22, the first alarm module; 23, the second sound wave transceiver module; 24, acoustic transit time acquisition module; 25, second clock module.
Embodiment
The technical matters solved for making the present invention, the technical scheme of employing and the technique effect that reaches are clearly, be described in further detail below in conjunction with the technical scheme of accompanying drawing to the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those skilled in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Please refer to Fig. 1, Fig. 1 is the block diagram of the system of the intelligent alarm that the embodiment of the present invention provides.This system comprises: first terminal 10 and the second terminal 20.
First terminal 10 comprises: the first communication connection module 11, wireless signal strength acquisition module 12, second alarm module 13, storer 14, numerical value processing module 15, threshold setting module 16, first clock module 17, first sound wave transceiver module 18 and gauge tap 19.
Second terminal 20 comprises: second communication link block 21, second alarm module 22, second sound wave transceiver module 23, acoustic transit time acquisition module 24 and second clock module 25.
Concrete, the first communication connection module 11 and second communication link block 21 are bluetooth module, setting up short-distance wireless communication and being connected, realizing data and information interaction for making first terminal 10 with the second terminal 20.Wherein, first terminal 10 is master terminal, and the second terminal 20 is from terminal.
Second terminal 20 and first terminal 10 set up short-distance wireless communication when being connected, first a solicited message is sent to first terminal 10, solicited message comprises PIN (Personal Identification Number, individual's recognition code) code, first communication connection module 11 receives this solicited message, judge whether the PIN code in solicited message matches with the PIN code pre-set, if, return the signal of communication allowing to connect, obtain user name and the physical address of the second terminal 20, set up short-distance wireless communication with the second terminal 20 and be connected; Otherwise, return the signal of communication of connection failure.
Concrete, numerical value processing module 15 is for obtaining the unique identification information of the second terminal 20.First terminal 10 and the second terminal 20 are set up after short-distance wireless communication is connected, numerical value processing module 15 gets the relevant data message of the second terminal 20 from the first communication connection module 11, comprise the second terminal 20 radio communication and connect the user name used, for the physical address communicated, PIN code etc., wherein an item number certificate or two item numbers certificate can be selected to be combined as terminal unique identification information, the present embodiment adopts the second terminal 20 for the physical address that the communicates unique identification information as the second terminal 20, generally, physical address and terminal are one to one.There is not the situation that different terminals uses same physical address.
If two terminals connect for first time sets up short-distance wireless communication, numerical value processing module 15 also for the relevant data information memory of the second terminal 20 that will obtain in the storer 14 of this locality.
Concrete, numerical value processing module 15, under calibration mode, obtains the distance between first terminal 10 and the second terminal 20 setting up short-distance wireless communication connection; Also for setting up the corresponding relation of the wireless signal strength that this distance is connected apart from lower short-distance wireless communication with this; Also for according to this corresponding relation, obtain the wireless signal strength alarm threshold value that default alarm distance is corresponding.First alarm module 13, for after exiting calibration mode, if the wireless signal strength obtained is less than this wireless signal strength alarm threshold value, sends the first warning.
First terminal 10 is set up short-distance wireless communication first with the second terminal 20 and is connected, first terminal 10 enters calibration mode, under calibration mode, after setting up the corresponding relation of distance between two terminals and wireless signal strength, the unique identification information of this corresponding relation and the second terminal 20 is stored in storer 14 one to one, calls so that set up next time when short-distance wireless communication connects.After setting up corresponding relation, a wireless signal strength alarm threshold value is obtained according to the alarm distance between this corresponding relation and two terminals, the distance between monitoring two terminal can be realized by monitoring wireless signal intensity, and when wireless signal strength is less than wireless signal strength alarm threshold value, namely when the distance between two terminals is greater than the alarm distance between two default terminals, send warning, realize anti-lost prompting function, so can avoid the distance metrical error because individual difference causes, realize Distance positioning more accurately.
Concrete, wireless signal strength acquisition module 12 for after exiting calibration mode, the wireless signal strength that Real-time Obtaining short-distance wireless communication connects; First alarm module 13 is also for judging whether the wireless signal strength of Real-time Obtaining is less than this wireless signal strength alarm threshold value; If so, the first warning is sent; Otherwise, do not send the first warning, continue the wireless signal strength that described in Real-time Obtaining, short-distance wireless communication connects.
First communication connection module 11 is connected for setting up short-distance wireless communication with the second terminal 20; Whether numerical value processing module 15 also stores the corresponding relation corresponding with the unique identification information of the second terminal 20 for judging in storer 14; If so, show that two terminals do not connect for setting up short-distance wireless communication first, and the corresponding relation of the distance established before between two terminals and wireless signal strength, directly call, from storer 14, directly obtain this corresponding relation; Otherwise, show that two terminals connect for setting up short-distance wireless communication first, or the corresponding relation of the distance do not set up before between two terminals and wireless signal strength, now, control first terminal 10 and enter calibration mode, set up the corresponding relation of distance between two terminals and wireless signal strength.
Concrete, the first clock module 17 is for Real-time Obtaining current time; First clock module 17 and second clock module 25 realize clock synchronous by short-distance wireless communication.
First sound wave transceiver module 18, for starting sonic detection function, is obtained current time, using current time as sound wave transmitting time, is encoded into detection sound wave, is sent by sound wave mode; Numerical value processing module 15 is also for obtaining the acoustic transit time detecting sound wave from the second terminal 20 by short-distance wireless communication; The acoustic transit time detecting sound wave is that the second terminal 20 is according to receiving the time and sound wave transmitting time calculating acquisition of detecting sound wave; Numerical value processing module 15 is also for calculating the distance between first terminal 10 and the second terminal 20 obtaining and set up short-distance wireless communication connection according to the transmission speed of the acoustic transit time and sound wave that detect sound wave; Numerical value processing module 15, also for after the distance between acquisition two terminal, sends the control signal of closing sonic detection function to the first sound wave transceiver module 18; First sound wave transceiver module 18 also for after the control signal receiving the closedown sonic detection function that numerical value processing module 15 sends, closes sonic detection function.
Sonic detection function is opened when corresponding relation set up by needs, to obtain the distance between two terminals, and after getting this distance, closes sonic detection function immediately, reduces the energy loss of first terminal 10.
Concrete, setting up the distance between two terminals needs two data with the corresponding relation of wireless signal strength, the Distance geometry namely between two terminals to should apart under the wireless signal strength of short-distance wireless communication connection.Wireless signal strength acquisition module 12 also for obtain receive acoustic transit time time short-distance wireless communication connect wireless signal strength; The wireless signal strength of numerical value processing module 15 also for being connected with described short-distance wireless communication when receiving described acoustic transit time according to the distance between two terminals obtained generates an associated data files, is stored in storer 14.
Numerical value processing module 15 is also for judging whether the quantity of the associated data files in storer 14 is less than default amount threshold; If so, the second alarm control signal is sent to the first alarm module 13; Otherwise, the corresponding relation of the wireless signal strength that the distance between two terminals is connected apart from lower short-distance wireless communication with this is set up according to the associated data files stored, the corresponding relation of foundation is stored in storer 14, and controls first terminal 10 and exit calibration mode.
Take the system of the intelligent alarm of the present embodiment, the distance between two terminals is drawn by the transmission of sound wave and the mistiming of reception, and the Distance geometry wireless signal strength between two terminals is associated, set up corresponding relation, the form of expression of corresponding relation has multiple, as: relational expression or relation curve etc., different equipment, its wireless signal strength used is different from the corresponding relation of the distance between two terminals, only need to carry out data acquisition defecate collection several times when establishing a communications link first can obtain, and after this corresponding relation of acquisition, the unique identification information of the second terminal 20 and this corresponding relation are stored in storer 14 one to one, the database that one comprises both data as set up, this database can comprise multiple unique identification informations and with multiple unique identification information corresponding relation one to one, so just can make up the individual difference of the wireless power of distinct device, realize precise positioning, greatly improve suitable device and the application scenarios of this system.
First alarm module 13, also for when receiving the second alarm control signal, sends the second warning, and prompting user moves the position of first terminal and/or the second terminal.
The effect of the first warning and the second warning is different, and therefore, the type of alarm of employing distinguishes better, as the first warning adopts audible alarm, second reports to the police then adopts sound and light alarm etc., certainly, two modes of reporting to the police also can adopt identical type of alarm, as adopted audible-visual alarm lamp simultaneously.In the present embodiment, the second type of alarm of reporting to the police adopts pilot lamp flicker to report to the police, and the second type of alarm of reporting to the police adopts audio plays to report to the police.
First terminal 10 also comprises gauge tap 19; Gauge tap 19 comprises the function button starting sonic detection function, after sending the second warning for the first alarm module 13, if detect, the clicked or touch-control of the function button starting sonic detection function comes into force, and sends control the switch controlling signal that first terminal 10 starts sonic detection function to the first sound wave transceiver module 18; First sound wave transceiver module 18 also controls for detecting in real time whether to receive the switch controlling signal that first terminal 10 starts sonic detection function, if, start sonic detection function, obtain current time, using current time as sound wave transmitting time, be encoded into detection sound wave, sent by sound wave mode; Otherwise, continue to detect whether receive the switch controlling signal that control first terminal 10 starts sonic detection function.
Second communication link block 21 is connected for setting up short-distance wireless communication with first terminal 10;
Second clock module 25 is for Real-time Obtaining current time; Second sound wave transceiver module 23 is for detecting the detection sound wave whether receiving first terminal 10 and send in real time; If not, continue to detect the detection sound wave whether receiving first terminal 10 and send; If so, notify that acoustic transit time acquisition module obtains current time from second clock module 25, namely the second terminal 20 receives the time of this detection sound wave; Second sound wave transceiver module 23 also for decoding to the detection sound wave received, obtains the sound wave transmitting time comprised in this detection sound wave;
Acoustic transit time acquisition module 24 is for obtaining the time receiving and detect sound wave and the sound wave transmitting time obtaining detection sound wave from the second sound wave transceiver module 23 from second clock module 25; Also for obtaining detecting the acoustic transit time of sound wave according to the time and sound wave transmitting time that receive detection sound wave; Also for acoustic transit time being sent to first terminal by short-distance wireless communication.
After first sound wave transceiver module 18 starts sonic detection function, owing to considering that detection sound wave likely transmits the situation less than the second terminal, for guaranteeing that acoustic signals can be transferred to the second terminal 20, as run into the factors such as barrier, can be set to send one-time detection sound wave at regular intervals, if the acoustic transit time that the first sound wave transceiver module 18 second terminal 20 returns according to detection sound wave, then can close sonic detection function immediately, reduce energy loss.
Concrete, first terminal 10 also comprises threshold setting module 16, for pre-setting an amount threshold and an alarm distance; Wherein, alarm distance is the alarm distance between first terminal and the second terminal.
Concrete, gauge tap 19 also comprises the function button starting calibration mode, if for detecting that the clicked or touch-control of the function button starting calibration mode comes into force, sending control the switch controlling signal that first terminal 10 enters calibration mode to numerical value processing module 15; Numerical value processing module 15 also controls for detecting in real time whether to receive the switch controlling signal that first terminal 10 enters calibration mode; If so, control first terminal 10 and enter calibration mode; Otherwise, according to the unique identification information consults memory 14 of the second terminal 20, judge whether store the corresponding relation corresponding with this unique identification information in storer 14.
Concrete, the first communication connection module 11 and second communication link block 21 are Bluetooth function module; First terminal 10 is set up short-distance wireless communication with the second terminal 20 by bluetooth and is connected.。
In the present embodiment, except when setting up short-distance wireless communication connection for the first time, enter outside calibration mode, also this calibration mode is initiatively entered by function button or function key with enable, as some application scenarios is comparatively large for radiofrequency signal impact, also may can there is positioning error in the corresponding relation before employing, now, the corresponding relation of wireless signal strength and distance when calibration mode re-establishes under this environment is initiatively entered, so that realize precise positioning by triggering this function button or function key.
Please refer to Fig. 2, Fig. 2 is the method flow diagram of the intelligent alarm that the embodiment of the present invention provides, and the method comprises:
S100, pre-set alarm distance between an amount threshold and two terminals.
This step is initialization step, and first terminal 10, setting up before short haul connection is connected with the second terminal 20, can be set the alarm distance between amount threshold, two terminals by threshold setting module 16.
Amount threshold is the required associated data files quantity obtained, and after each startup sonic detection function, can obtain an associated data files.
S110, first terminal 10 are set up short-distance wireless communication with the second terminal 20 and are connected.
Wherein, the first communication connection module 11 and second communication link block 21 are Bluetooth function module, make first terminal 10 set up short-distance wireless communication with the second terminal 20 be connected, realize data and information interaction by bluetooth.
S120, obtain the unique identification information of the second terminal 20.
In the present embodiment, the unique identification information of the second terminal 20 is the physical address of the second terminal 20 for communicating.
Whether S130, detection in real time receive the switch controlling signal that control first terminal 10 enters calibration mode; If so, step S151 is entered, otherwise, enter step S140.
Some application scenarios is larger for radiofrequency signal impact, also positioning error can may be there is in the corresponding relation before employing, now, calibration mode is entered by gauge tap 19 selectivity, the corresponding relation of wireless signal strength and distance when re-establishing under this environment, so that realize precise positioning.
S140, judge the corresponding relation whether storing the wireless signal strength that the distance between the first terminal 10 corresponding with this unique identification information with the second terminal 20 is connected with short-distance wireless communication in local storer 14; If so, step S150 is entered, otherwise, enter step S151.
This step is for judge that first terminal 10 is the need of entering calibration mode.
S150, from storer 14, obtain this corresponding relation.
If store the corresponding relation of the wireless signal strength that the distance between the first terminal 10 corresponding with this unique identification information with the second terminal 20 is connected with short-distance wireless communication in storer 14, from storer 14, directly obtain this corresponding relation.
S151, control first terminal 10 enter calibration mode.
If do not store the corresponding relation of the wireless signal strength that the distance between the first terminal 10 corresponding with this unique identification information with the second terminal 20 is connected with short-distance wireless communication in storer 14, then show to need to set up this corresponding relation, enter step S152.
Under S152, calibration mode, obtain the distance between first terminal 10 and the second terminal 20 setting up short-distance wireless communication connection.
S153, set up the corresponding relation of the wireless signal strength that the distance between two terminals is connected with short-distance wireless communication.
For radio communication, the distance between wireless signal strength and two terminals is inversely proportional to.In the present embodiment, for bluetooth, the relational expression quantizing wireless signal strength and distance is P=A-10 × n × lgd.Wherein, d is the distance between first terminal 10 and the second terminal 20, P is the second terminal 20 wireless signal strength acquisition module 12 samples when being d with the distance of first terminal 10 wireless signal strength, A be radio signal transmission 1 meter far away time wireless signal wireless signal strength, n is propagation factor constant.Can learn from this relational expression, the distance between wireless signal strength and two terminals is inversely proportional to.The wireless signal strength of the wireless signal of sampling under multiple distance, and the distance between first terminal 10 and the second terminal 20 is obtained respectively by the mode of sonic detection under the plurality of distance, the numerical value of propagation factor constant under current environment and A can be drawn, so, distance between wireless signal strength with two terminals just can associate, and realizes quantizing mark.
For the radio communication of other types, as WIFI (Wireless Fidelity, wireless network), NFC (NearField Communication, near field communication (NFC)) etc., similar method also can be adopted to draw this corresponding relation.As used WIFI, using first terminal 10 as focus, the wireless signal strength that first terminal 10 sends constantly is decayed along with the increase of distance, by the wireless signal strength of multiple repairing weld second terminal 20 under different distance, just can obtain a relation curve, carry out the corresponding relation calculating the distance quantized between wireless signal strength and two terminals.
S154, control first terminal 10 exit calibration mode, are back to step S150.
Corresponding relation has been set up, and namely exits calibration mode.
Also step S160 is comprised after step S150.
S160, obtain wireless signal strength alarm threshold value corresponding to alarm distance preset;
After getting this corresponding relation in step S150, a wireless signal strength alarm threshold value can be obtained according to this corresponding relation and default alarm distance.
The wireless signal strength that S170, Real-time Obtaining short-distance wireless communication connect.
After exiting calibration mode, the wireless signal strength that Real-time Obtaining short-distance wireless communication connects, to monitor the distance between first terminal 10 and the second terminal 20, what realize two terminals follows function.
S180, judge obtain wireless signal strength whether be less than wireless signal strength alarm threshold value; If so, step S190 is entered, otherwise, be back to step S170.
S190, send the first warning.
When wireless signal strength is less than wireless signal strength alarm threshold value, shows the hypertelorism between first terminal 10 and the second terminal 20, send the first warning, with the hypertelorism of pointing out user two terminal current.
First alarm module 13 also sends the first alarm control signal by radio communication to the second terminal 20, and the second alarm module 22 controlling the second terminal 20 also sends warning simultaneously.
Please refer to Fig. 3, Fig. 3 is the method flow diagram setting up corresponding relation that the embodiment of the present invention provides.Step S152 specifically comprises:
S1521, startup sonic detection function.
After first terminal 10 enters calibration mode, the first sound wave transceiver module 18 starts to start sonic detection function, and sends the control signal starting sonic detection function to the second terminal 20, controls the second terminal 20 and starts sonic detection function.
S1522, acquisition current time, using current time as sound wave transmitting time, be encoded into detection sound wave, sent by sound wave mode.
After sonic detection function on, the first sound wave transceiver module 18 obtains current time from the first clock module 17, using current time as sound wave transmitting time, is encoded into detection sound wave, is sent by sound wave mode.
S1523, obtain the acoustic transit time of this detection sound wave from the second terminal 20.
Obtained the acoustic transit time of described detection sound wave from the second terminal 20 by short-distance wireless communication.The acoustic transit time detecting sound wave is that the second terminal 20 calculates acquisition according to the sound wave transmitting time of the time and this detection sound wave that receive this detection sound wave.
S1524, obtain the wireless signal strength that when receiving acoustic transit time, short-distance wireless communication connects.
S1525, calculate to obtain according to the transmission speed detecting the acoustic transit time of sound wave and sound wave and set up the distance between first terminal 10 and the second terminal 20 that short-distance wireless communication connects.
In this step, the transmission speed of sound wave is known, also be easy to obtain according to measurement, therefore the product detecting the acoustic transit time of sound wave and the transmission speed of sound wave is the distance between first terminal 10 and the second terminal 20 setting up short-distance wireless communication connection.
S1526, closedown sonic detection function.
Obtain distance between two terminals and this apart under wireless signal strength after, close the sonic detection function of first terminal 10 immediately, send the control signal of closing sonic detection function simultaneously to the second terminal 20, control the second terminal and close sonic detection function.Enter step S1531.
Step S153 specifically comprises:
S1531, the wireless signal strength be connected with short-distance wireless communication when receiving acoustic transit time according to this distance generate an associated data files, are stored in storer 14.
S1532, judge whether the quantity of the associated data files in storer 14 is less than default amount threshold; If so, step S1533 is entered, otherwise, enter step S1532.
For different quantified precision demands, the quantity of required sampled data is also different, in the present embodiment, sampled data and associated data files, for bluetooth, the corresponding relation of wireless signal strength and distance is P=A-10 × n × lgd, only need draw the value of A and n, therefore amount threshold is 2 can draw corresponding relation.
S1532, set up the corresponding relation of the wireless signal strength that this distance is connected with short-distance wireless communication, this corresponding relation is stored in storer 14.
Numerical value processing module 15 sets up the corresponding relation of the wireless signal strength that this distance is connected with short-distance wireless communication according to associated data files, is stored in storer 14 by this corresponding relation, and enters step S154.
S1533, send the second warning.
First alarm module 13 sends the second warning.Prompting user moves the position of first terminal and/or the second terminal; And sending the second alarm control signal to the second terminal 20, the second alarm module 22 controlling the second terminal 20 also sends the second warning.
Whether S1534, detection in real time receive the switch controlling signal that control first terminal 10 starts sonic detection function; If so, step S1521 is back to; Otherwise, be back to step S1533.
After first alarm module 13 sends the second warning, gauge tap 19 provides the function button of a startup sonic detection function, if for detecting that the clicked or touch-control of the function button starting sonic detection function comes into force, sending to the first sound wave transceiver module 18 and controlling the switch controlling signal that first terminal 10 starts sonic detection function.
Whether the detection in real time of the first sound wave transceiver module 18 receives controls the switch controlling signal that first terminal 10 starts sonic detection function.If so, step S1521 is back to, otherwise, be back to step S1533.
Please refer to Fig. 4, Fig. 4 is the method flow diagram that the second terminal 20 that the embodiment of the present invention provides obtains acoustic transit time.The method comprises:
Whether S210, in real time detection receive the control signal of the startup sonic detection function that first terminal 10 sends; If so, step S220 is entered, otherwise, continue to detect the control signal whether receiving the startup sonic detection function that first terminal 10 sends.
Whether the detection in real time of the second sound wave transceiver module 23 receives the control signal of the startup sonic detection function that first terminal 10 sends, if, start sonic detection function, enter step S220, otherwise, continue to detect the control signal whether receiving the startup sonic detection function that first terminal 10 sends.
Whether S220, detection in real time receive the detection sound wave that first terminal 10 sends; If not, continue to detect the described detection sound wave whether receiving first terminal 10 and send; If so, step S230 is entered.
After second sound wave transceiver module 23 starts sonic detection function, whether real-time detection receives the detection sound wave that first terminal 10 sends.
S230, acquisition receive the time detecting sound wave.
Second sound wave transceiver module 23 obtains current time from second clock module 25 after receiving and detecting sound wave, namely obtains the time receiving and detect sound wave.
S240, detection sound wave to be decoded, obtain and detect the sound wave transmitting time of sound wave.
Second sound wave transceiver module 23 is decoded to detection sound wave, obtains the sound wave transmitting time detecting sound wave.
S250, detect according to receiving the acoustic transit time that time of sound wave and sound wave transmitting time obtain detecting sound wave.
Two times of acquisition are carried out difference operation by acoustic transit time acquisition module 24, obtain the acoustic transit time detecting sound wave.
S260, by short-distance wireless communication, acoustic transit time is sent to first terminal 10.
Acoustic transit time is sent to first terminal 10 by short-distance wireless communication by acoustic transit time acquisition module 24.
In the present embodiment, the second terminal 20 is Wearable, comprising: mobile phone, wrist-watch, watch type mobile telephone, wrist strap etc.First terminal 10 is the portable set such as mobile phone or panel computer, and this portable set also comprises: one or more than one processor, and one or more than one program; Wherein, more than one or one program is stored in storer 14, and is configured by more than one or one processor execution, and more than one or one routine package is containing the instruction for carrying out above step.
One of ordinary skill in the art will appreciate that all or part of step realizing above-described embodiment can have been come by hardware, the hardware that also can carry out instruction relevant by program completes, this program can be stored in a computer-readable recording medium, and storage medium can comprise storer, disk or CD etc.
Above content is only preferred embodiment of the present invention, and for those of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, this description should not be construed as limitation of the present invention.
Claims (20)
1. a method for intelligent alarm, is characterized in that, comprising:
Under calibration mode, obtain the distance between first terminal and the second terminal setting up short-distance wireless communication connection;
Set up the corresponding relation of the wireless signal strength that described distance is connected with described short-distance wireless communication;
According to described corresponding relation, obtain the wireless signal strength alarm threshold value that default alarm distance is corresponding;
After exiting calibration mode, if the wireless signal strength obtained is less than described wireless signal strength alarm threshold value, send the first warning.
2. method according to claim 1, is characterized in that, described step: according to described corresponding relation, after obtaining wireless signal strength alarm threshold value corresponding to default alarm distance, also comprises:
After exiting calibration mode, the wireless signal strength that short-distance wireless communication described in Real-time Obtaining connects;
Judge whether the wireless signal strength obtained is less than described wireless signal strength alarm threshold value;
If so, the first warning is sent;
Otherwise, do not send the first warning, continue the wireless signal strength that described in Real-time Obtaining, short-distance wireless communication connects.
3. method according to claim 2, is characterized in that, described step: under calibration mode, before obtaining the distance between first terminal and the second terminal setting up short-distance wireless communication connection, also comprises:
First terminal is set up short-distance wireless communication with the second terminal and is connected;
Obtain the unique identification information of the second terminal;
Judge whether store the described corresponding relation corresponding with described unique identification information in local storer;
If so, from described storer, described corresponding relation is obtained;
Otherwise, control first terminal and enter calibration mode.
4. method according to claim 3, is characterized in that, described step: control first terminal also comprises after entering calibration mode:
Start sonic detection function, obtain current time, using current time as sound wave transmitting time, be encoded into detection sound wave, sent by sound wave mode;
Obtained the acoustic transit time of described detection sound wave from the second terminal by short-distance wireless communication; The acoustic transit time of described detection sound wave is that the second terminal calculates acquisition according to the time and described sound wave transmitting time that receive described detection sound wave;
The distance between first terminal and the second terminal obtaining and set up short-distance wireless communication connection is calculated according to the acoustic transit time of described detection sound wave and the transmission speed of sound wave;
Close sonic detection function.
5. method according to claim 4, it is characterized in that, described step: by short-distance wireless communication from after the second terminal obtains the acoustic transit time of described detection sound wave, also comprise: obtain the wireless signal strength that when receiving described acoustic transit time, described short-distance wireless communication connects;
Described step: the corresponding relation setting up the wireless signal strength that described distance is connected with described short-distance wireless communication; Specifically comprise:
Generate an associated data files according to the wireless signal strength that described distance is connected with described short-distance wireless communication when receiving described acoustic transit time, be stored in described storer;
Judge whether the quantity of the associated data files in described storer is less than default amount threshold;
If so, send the second warning, prompting user moves the position of first terminal and/or the second terminal;
Otherwise, set up the corresponding relation of the wireless signal strength that described distance is connected with described short-distance wireless communication according to the associated data files stored, described corresponding relation be stored in described storer, and control first terminal and exit calibration mode.
6. method according to claim 5, it is characterized in that, described step: send the second warning, prompting user also comprises after moving the position of first terminal and/or the second terminal: whether detection in real time receives controls the switch controlling signal that first terminal starts sonic detection function;
If so, be back to described step: start sonic detection function, obtain current time, using current time as sound wave transmitting time, be encoded into detection sound wave, sent by sound wave mode;
Otherwise, continue to detect the switch controlling signal whether receiving and control first terminal startup sonic detection function.
7. method according to claim 6, is characterized in that, the acoustic transit time of described detection sound wave is that the second terminal calculates acquisition according to the time and described sound wave transmitting time that receive described detection sound wave, is specially:
Second terminal detects the described detection sound wave whether receiving first terminal and send in real time;
If not, the second terminal continues real-time detection and whether receives the described detection sound wave that first terminal sends;
If so, the second terminal obtains the time receiving described detection sound wave; Second terminal is decoded to described detection sound wave, obtains the sound wave transmitting time of described detection sound wave; Second terminal obtains the acoustic transit time of described detection sound wave according to the time and described sound wave transmitting time that receive described detection sound wave; Described acoustic transit time is sent to first terminal by short-distance wireless communication by the second terminal.
8. method according to claim 7, is characterized in that, described step: first terminal and the second terminal are set up before short-distance wireless communication is connected, and also comprise:
Pre-set an amount threshold and an alarm distance;
Wherein, alarm distance and the alarm distance between first terminal and the second terminal.
9. method according to claim 6, it is characterized in that, described step: the storer local according to the unique identification information inquiry of the second terminal, before judging whether store the described corresponding relation corresponding with described unique identification information in local storer, also comprises:
Whether real-time detection receives controls the switch controlling signal that first terminal enters calibration mode;
If so, control first terminal and enter calibration mode;
Otherwise the storer local according to the unique identification information inquiry of the second terminal, judges whether store the described corresponding relation corresponding with described unique identification information in local storer.
10. method as claimed in any of claims 1 to 9, is characterized in that, described step: first terminal is set up short-distance wireless communication with the second terminal and is connected, and is specially:
First terminal is set up short-distance wireless communication with the second terminal by bluetooth and is connected.
The system of 11. 1 kinds of intelligent alarms, is characterized in that, comprising: first terminal and the second terminal;
First terminal comprises:
Numerical value processing module, under calibration mode, obtains the distance between first terminal and the second terminal setting up short-distance wireless communication connection; Also for setting up the corresponding relation of the wireless signal strength that described distance is connected with described short-distance wireless communication; Also for according to described corresponding relation, obtain the wireless signal strength alarm threshold value that default alarm distance is corresponding;
First alarm module, after exiting calibration mode, if the wireless signal strength obtained is less than described wireless signal strength alarm threshold value, sends the first warning.
12. systems according to claim 11, is characterized in that, first terminal also comprises wireless signal strength acquisition module, after exiting calibration mode, and the wireless signal strength that short-distance wireless communication described in Real-time Obtaining connects;
Described first alarm module is also for judging whether the wireless signal strength obtained is less than described wireless signal strength alarm threshold value; If so, the first warning is sent; Otherwise, do not send the first warning, continue the wireless signal strength that described in Real-time Obtaining, short-distance wireless communication connects.
13. systems according to claim 12, is characterized in that, first terminal also comprises the first communication connection module and storer;
Described first communication connection module is used for setting up short-distance wireless communication with the second terminal and is connected;
Described numerical value processing module is also for obtaining the unique identification information of the second terminal;
Whether described numerical value processing module also stores the described corresponding relation corresponding with described unique identification information for judging in described storer; If so, from described storer, described corresponding relation is obtained; Otherwise, control first terminal and enter calibration mode.
14. systems according to claim 13, is characterized in that, first terminal also comprises the first clock module and the first sound wave transceiver module;
A described clock module is used for Real-time Obtaining current time;
Described first sound wave transceiver module, for starting sonic detection function, is obtained current time, using current time as sound wave transmitting time, is encoded into detection sound wave, is sent by sound wave mode;
Described numerical value processing module is also for obtaining the acoustic transit time of described detection sound wave from the second terminal by short-distance wireless communication; The acoustic transit time of described detection sound wave is that the second terminal calculates acquisition according to the time and described sound wave transmitting time that receive described detection sound wave;
Described numerical value processing module is also for calculating the distance between first terminal and the second terminal obtaining and set up short-distance wireless communication connection according to the acoustic transit time of described detection sound wave and the transmission speed of sound wave;
Described numerical value processing module also for after the described distance of acquisition, sends the control signal of closing sonic detection function to described first sound wave transceiver module;
Described first sound wave transceiver module also for after the control signal receiving the closedown sonic detection function that described numerical value processing module sends, closes sonic detection function.
15. systems according to claim 14, is characterized in that, described wireless signal strength acquisition module also for obtain receive described acoustic transit time time the described short-distance wireless communication wireless signal strength that connects;
The wireless signal strength of described numerical value processing module also for being connected with described short-distance wireless communication when receiving described acoustic transit time according to described distance generates an associated data files, is stored in described storer;
Described numerical value processing module is also for judging whether the quantity of the associated data files in described storer is less than default amount threshold; If so, the second alarm control signal is sent to described first alarm module; Otherwise, set up the corresponding relation of the wireless signal strength that described distance is connected with described short-distance wireless communication according to the associated data files stored, described corresponding relation be stored in described storer, and control first terminal and exit calibration mode;
Described first alarm module, also for when receiving described second alarm control signal, sends the second warning, and prompting user moves the position of first terminal and/or the second terminal.
16. systems according to claim 15, it is characterized in that, first terminal also comprises gauge tap; Described gauge tap comprises the function button starting sonic detection function, after sending the second warning for described first alarm module, if detect, the clicked or touch-control of the function button starting sonic detection function comes into force, and sends control the switch controlling signal that first terminal starts sonic detection function to described first sound wave transceiver module;
Described first sound wave transceiver module also controls for detecting in real time whether to receive the switch controlling signal that first terminal starts sonic detection function, if, start sonic detection function, obtain current time, using current time as sound wave transmitting time, be encoded into detection sound wave, sent by sound wave mode; Otherwise, continue to detect the switch controlling signal whether receiving and control first terminal startup sonic detection function.
17. systems according to claim 16, is characterized in that, the second terminal comprises second communication link block, second clock module, acoustic transit time acquisition module, the second sound wave transceiver module:
Described second communication link block is used for setting up short-distance wireless communication with first terminal and is connected;
Described second clock module is used for the Real-time Obtaining current time;
Described second sound wave transceiver module is used for real-time detection and whether receives the described detection sound wave that first terminal sends; If not, continue to detect the described detection sound wave whether receiving first terminal and send; If so, notify that described acoustic transit time acquisition module obtains current time from described second clock module, namely the second terminal receives the time of described detection sound wave;
Described second sound wave transceiver module also for decoding to described detection sound wave, obtains the sound wave transmitting time of described detection sound wave;
Described acoustic transit time acquisition module is used for obtaining from described second clock module receiving the time of described detection sound wave and obtaining the sound wave transmitting time of described detection sound wave from described second sound wave transceiver module; Also for obtaining the acoustic transit time of described detection sound wave according to the time and described sound wave transmitting time that receive described detection sound wave; Also for described acoustic transit time being sent to first terminal by short-distance wireless communication.
18. systems according to claim 17, it is characterized in that, first terminal also comprises threshold setting module, for pre-setting an amount threshold and an alarm distance;
Wherein, described alarm distance and the alarm distance between first terminal and the second terminal.
19. systems according to claim 16, it is characterized in that, described gauge tap also comprises the function button starting calibration mode, if for detecting that starting the clicked or touch-control of the function button of calibration mode comes into force, and sends to described numerical value processing module and controls the switch controlling signal that first terminal enters calibration mode;
Described numerical value processing module also controls for detecting in real time whether to receive the switch controlling signal that first terminal enters calibration mode; If so, control first terminal and enter calibration mode; Otherwise the storer local according to the unique identification information inquiry of the second terminal, judges whether store the described corresponding relation corresponding with described unique identification information in local storer.
20. according to claim 11 to the system described in any one in 19, and it is characterized in that, described first communication connection module and described second communication link block are Bluetooth function module; First terminal is set up short-distance wireless communication with the second terminal by bluetooth and is connected.
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| CN111751786A (en) * | 2020-07-01 | 2020-10-09 | 北京小米移动软件有限公司 | Acoustic wave measuring method, acoustic wave measuring apparatus, acoustic wave measuring device, and storage medium |
| CN111751786B (en) * | 2020-07-01 | 2023-06-30 | 北京小米移动软件有限公司 | Acoustic wave measurement method, acoustic wave measurement device, acoustic wave measurement equipment and storage medium |
| CN112019283A (en) * | 2020-08-19 | 2020-12-01 | 广东智能精灵科技有限公司 | Method, device and system for identifying group aggregation |
| CN113349787A (en) * | 2021-06-07 | 2021-09-07 | 蔡胜男 | Wireless electrocardio monitoring equipment |
| CN113349787B (en) * | 2021-06-07 | 2022-10-21 | 蔡胜男 | Wireless electrocardio monitoring equipment |
| CN115695633A (en) * | 2021-07-23 | 2023-02-03 | 上海哔哩哔哩科技有限公司 | Multi-terminal cooperative operation method and device |
| CN115695633B (en) * | 2021-07-23 | 2024-04-23 | 上海哔哩哔哩科技有限公司 | Multi-terminal cooperative operation method and device |
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