CN107424393B - Mobile terminal searching method, mobile terminal and storage medium - Google Patents
Mobile terminal searching method, mobile terminal and storage medium Download PDFInfo
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- CN107424393B CN107424393B CN201710639788.4A CN201710639788A CN107424393B CN 107424393 B CN107424393 B CN 107424393B CN 201710639788 A CN201710639788 A CN 201710639788A CN 107424393 B CN107424393 B CN 107424393B
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- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
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Abstract
The invention discloses a mobile terminal searching method, which comprises the following steps: the method comprises the steps that a first mobile terminal sends a control instruction to a second mobile terminal, wherein the control instruction is used for instructing the second mobile terminal to transmit ultrasonic waves with preset frequency; the method comprises the steps that a first mobile terminal detects whether the frequency of ultrasonic waves received from a second mobile terminal at a current time point changes relative to the frequency of the ultrasonic waves received last time at the current time point; and under the condition that the frequency of the ultrasonic waves changes, the first mobile terminal gives an alarm. According to the terminal searching method provided by the invention, the ultrasonic wave transmitted by the second mobile terminal is received in the moving process of the first mobile terminal, and the alarm is given when the first mobile terminal detects the ultrasonic wave with the frequency change according to the Doppler effect of the ultrasonic wave so as to remind a user that the second mobile terminal to be searched is near the current first mobile terminal, so that the problems in the prior art are solved.
Description
Technical Field
The present invention relates to the field of electronic technologies, and in particular, to a mobile terminal searching method, a mobile terminal, and a storage medium.
Background
With the continuous progress and development of the mobile terminal industry, people have higher and higher dependence on mobile terminals. However, this situation often occurs in daily life, and a user is anxious to use a mobile terminal such as a mobile phone or a tablet computer, but the user needs to spend time searching in a large range due to forgetting the placement position of the mobile terminal or a large range of areas such as a home or a workplace, and thus time is delayed very much. At present, a common method is that a user calls a mobile terminal to be searched by using another mobile terminal, and the general direction of the terminal is judged by ringing. However, this method is only suitable for the mobile terminal in the ring state, and when the mobile terminal is in the mute state, the user cannot determine the location of the terminal according to this method, so a method for finding the mobile terminal to be found when the mobile terminal is in the mute state is still needed.
Disclosure of Invention
The invention mainly aims to provide a terminal searching method, a mobile terminal and a storage medium, and aims to solve the following problems in the prior art: when the mobile terminal to be searched is in a mute state, even if a user calls the mobile terminal to be searched, the user cannot judge the approximate position of the terminal through ringing, so that the mobile terminal which cannot be searched is caused, and the user experience is poor.
In order to achieve the above object, a terminal searching method provided by the present invention includes: the method comprises the steps that a first mobile terminal sends a control instruction to a second mobile terminal, wherein the control instruction is used for instructing the second mobile terminal to transmit ultrasonic waves with preset frequency; the first mobile terminal detects whether the frequency of the ultrasonic wave received from the second mobile terminal at the current time point changes relative to the frequency of the ultrasonic wave received last time at the current time point; and under the condition that the frequency of the ultrasonic waves changes, the first mobile terminal gives an alarm.
Further, under the condition that the frequency of the ultrasonic waves changes, the first mobile terminal gives an alarm, and the method comprises the following steps: under the condition that the frequency of ultrasonic waves received by the first mobile terminal does not exceed a first frequency threshold value, the first mobile terminal alarms according to the alarm intensity of a first level; under the condition that the frequency of ultrasonic waves received by the first mobile terminal exceeds the first frequency threshold and does not exceed a second frequency threshold, the first mobile terminal alarms according to the alarm intensity of a second level; under the condition that the frequency of the ultrasonic waves received by the first mobile terminal exceeds the second frequency threshold value, the first mobile terminal alarms according to the alarm intensity of a third level; wherein the second level of alarm intensity is higher than the first level of alarm intensity, and the third level of alarm intensity is higher than the second level of alarm intensity.
Further, the alarm mode comprises one or more of the following modes: vibration alarm, light alarm and sound alarm.
In addition, in order to achieve the above object, the present invention further provides a terminal searching method, including: the second mobile terminal receives a control instruction from the first mobile terminal; the second mobile terminal transmits ultrasonic waves with preset frequency according to the control instruction and receives reflected waves of the ultrasonic waves with the preset frequency; and under the condition that the frequency of the reflected wave is detected to be changed, the second mobile terminal sends alarm information to the first mobile terminal so as to enable the first mobile terminal to alarm.
Further, the second mobile terminal sends alarm information to the first mobile terminal, including: sending alarm information with alarm intensity of a fourth grade to the first mobile terminal under the condition that the frequency of the reflected waves received by the second mobile terminal does not exceed a third frequency threshold; sending alarm information with alarm intensity of a fifth grade to the first mobile terminal under the condition that the frequency of the reflected wave received by the second mobile terminal exceeds a third frequency threshold and does not exceed a fourth frequency threshold; sending alarm information with alarm intensity of a sixth grade to the first mobile terminal under the condition that the frequency of the reflected wave received by the second mobile terminal exceeds a fourth frequency threshold; wherein the alarm intensity of the fifth level is higher than the alarm intensity of the fourth level, and the alarm intensity of the sixth level is higher than the alarm intensity of the fifth level.
In addition, in order to achieve the above object, the present invention further provides a mobile terminal, including a processor, a memory and a communication bus; the communication bus is used for realizing connection communication between the processor and the memory; the processor is configured to execute a terminal finding program stored in the memory to implement the steps of: sending a control instruction to a second mobile terminal, wherein the control instruction is used for instructing the second mobile terminal to transmit ultrasonic waves with preset frequency; detecting whether the frequency of the ultrasonic wave received from the second mobile terminal at the current time point changes relative to the frequency of the ultrasonic wave received last time at the current time point; and alarming when the frequency of the ultrasonic wave changes.
Further, when the processor performs the step of alarming when the frequency of the ultrasonic wave changes, the following steps are specifically realized: under the condition that the frequency of the received ultrasonic waves does not exceed a first frequency threshold value, alarming according to the first-level alarm intensity; under the condition that the frequency of the ultrasonic waves received by the mobile terminal exceeds a first frequency threshold and does not exceed a second frequency threshold, alarming according to the alarm intensity of a second level; under the condition that the frequency of the ultrasonic waves received by the mobile terminal exceeds a second frequency threshold value, alarming according to the alarming intensity of a third level; wherein the second level of alarm intensity is higher than the first level of alarm intensity, and the third level of alarm intensity is higher than the second level of alarm intensity.
In addition, in order to achieve the above object, the present invention further provides a mobile terminal, including a processor, a memory and a communication bus; the communication bus is used for realizing connection communication between the processor and the memory; the processor is configured to execute a terminal finding program stored in the memory to implement the steps of: receiving a control instruction from a first mobile terminal; transmitting ultrasonic waves of a preset frequency according to the control instruction and receiving reflected waves of the ultrasonic waves of the preset frequency; and sending alarm information to the first mobile terminal under the condition that the frequency of the reflected wave is detected to change so as to enable the first mobile terminal to alarm.
Further, when the processor executes the step of sending the alarm information to the first mobile terminal, the following steps are specifically implemented: sending alarm information with the alarm intensity of a fourth level to the first mobile terminal under the condition that the frequency of the received reflected wave does not exceed a third frequency threshold; sending alarm information with alarm intensity of a fifth grade to the first mobile terminal under the condition that the frequency of the reflected wave received by the mobile terminal exceeds a third frequency threshold and does not exceed a fourth frequency threshold; sending alarm information with alarm intensity of a sixth grade to the first mobile terminal under the condition that the frequency of the reflected wave received by the mobile terminal exceeds a fourth frequency threshold; wherein the alarm intensity of the fifth level is higher than the alarm intensity of the fourth level, and the alarm intensity of the sixth level is higher than the alarm intensity of the fifth level.
The invention receives the ultrasonic wave transmitted by the second mobile terminal in the moving process of the first mobile terminal, and alarms when the first mobile terminal detects the ultrasonic wave with changed frequency according to the Doppler effect of the ultrasonic wave so as to remind a user that the second mobile terminal to be searched is near the current first mobile terminal, thereby solving the following problems in the prior art: when the mobile terminal to be searched is in a mute state, even if a user calls the mobile terminal to be searched, the user cannot judge the approximate position of the terminal through ringing, so that the mobile terminal which cannot be searched is caused, and the user experience is poor.
Drawings
Fig. 1 is a schematic diagram of a hardware structure of an optional mobile terminal for implementing various embodiments of the present invention;
FIG. 2 is a communication network system architecture diagram of the mobile terminal shown in FIG. 1;
fig. 3 is a flowchart of a terminal finding method according to a first embodiment of the present invention;
FIG. 4 is a schematic view of an interface of a smart band according to a first embodiment of the present invention;
fig. 5 is a flowchart of a terminal searching method according to a third embodiment of the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the following description, suffixes such as "module", "component", or "unit" used to denote elements are used only for facilitating the explanation of the present invention, and have no specific meaning in itself. Thus, "module", "component" or "unit" may be used mixedly.
The terminal may be implemented in various forms. For example, the terminal described in the present invention may include mobile terminals such as a mobile phone, a tablet computer, a notebook computer, a palmtop computer, a Personal Digital Assistant (PDA), a Portable Media Player (PMP), a navigation device, a wearable device, a smart watch, a pedometer, and the like, and fixed terminals such as a Digital TV, a desktop computer, and the like.
The following description will be given by way of example of a mobile terminal, and it will be understood by those skilled in the art that the construction according to the embodiment of the present invention can be applied to a fixed type terminal, in addition to elements particularly used for mobile purposes.
Referring to fig. 1, which is a schematic diagram of a hardware structure of a mobile terminal for implementing various embodiments of the present invention, the mobile terminal 100 may include: RF (Radio Frequency) unit 101, WiFi module 102, audio output unit 103, a/V (audio/video) input unit 104, sensor 105, display unit 106, user input unit 107, interface unit 108, memory 109, processor 110, and power supply 111. Those skilled in the art will appreciate that the mobile terminal architecture shown in fig. 1 is not intended to be limiting of mobile terminals, which may include more or fewer components than those shown, or some components may be combined, or a different arrangement of components.
The following describes each component of the mobile terminal in detail with reference to fig. 1:
the radio frequency unit 101 may be configured to receive and transmit signals during information transmission and reception or during a call, and specifically, receive downlink information of a base station and then process the downlink information to the processor 110; in addition, the uplink data is transmitted to the base station. Typically, radio frequency unit 101 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like. In addition, the radio frequency unit 101 can also communicate with a network and other devices through wireless communication. The wireless communication may use any communication standard or protocol, including but not limited to GSM (Global System for Mobile communications), GPRS (General Packet Radio Service), CDMA2000(Code Division Multiple Access 2000), WCDMA (Wideband Code Division Multiple Access), TD-SCDMA (Time Division-Synchronous Code Division Multiple Access), FDD-LTE (Frequency Division duplex Long Term Evolution), and TDD-LTE (Time Division duplex Long Term Evolution).
WiFi belongs to short-distance wireless transmission technology, and the mobile terminal can help a user to receive and send e-mails, browse webpages, access streaming media and the like through the WiFi module 102, and provides wireless broadband internet access for the user. Although fig. 1 shows the WiFi module 102, it is understood that it does not belong to the essential constitution of the mobile terminal, and may be omitted entirely as needed within the scope not changing the essence of the invention.
The audio output unit 103 may convert audio data received by the radio frequency unit 101 or the WiFi module 102 or stored in the memory 109 into an audio signal and output as sound when the mobile terminal 100 is in a call signal reception mode, a call mode, a recording mode, a voice recognition mode, a broadcast reception mode, or the like. Also, the audio output unit 103 may also provide audio output related to a specific function performed by the mobile terminal 100 (e.g., a call signal reception sound, a message reception sound, etc.). The audio output unit 103 may include a speaker, a buzzer, and the like.
The a/V input unit 104 is used to receive audio or video signals. The a/V input Unit 104 may include a Graphics Processing Unit (GPU) 1041 and a microphone 1042, the Graphics processor 1041 Processing image data of still pictures or video obtained by an image capturing device (e.g., a camera) in a video capturing mode or an image capturing mode. The processed image frames may be displayed on the display unit 106. The image frames processed by the graphic processor 1041 may be stored in the memory 109 (or other storage medium) or transmitted via the radio frequency unit 101 or the WiFi module 102. The microphone 1042 may receive sounds (audio data) via the microphone 1042 in a phone call mode, a recording mode, a voice recognition mode, or the like, and may be capable of processing such sounds into audio data. The processed audio (voice) data may be converted into a format output transmittable to a mobile communication base station via the radio frequency unit 101 in case of a phone call mode. The microphone 1042 may implement various types of noise cancellation (or suppression) algorithms to cancel (or suppress) noise or interference generated in the course of receiving and transmitting audio signals.
The mobile terminal 100 also includes at least one sensor 105, such as a light sensor, a motion sensor, and other sensors. Specifically, the light sensor includes an ambient light sensor that can adjust the brightness of the display panel 1061 according to the brightness of ambient light, and a proximity sensor that can turn off the display panel 1061 and/or a backlight when the mobile terminal 100 is moved to the ear. As one of the motion sensors, the accelerometer sensor can detect the magnitude of acceleration in each direction (generally, three axes), can detect the magnitude and direction of gravity when stationary, and can be used for applications of recognizing the posture of a mobile phone (such as horizontal and vertical screen switching, related games, magnetometer posture calibration), vibration recognition related functions (such as pedometer and tapping), and the like; as for other sensors such as a fingerprint sensor, a pressure sensor, an iris sensor, a molecular sensor, a gyroscope, a barometer, a hygrometer, a thermometer, and an infrared sensor, which can be configured on the mobile phone, further description is omitted here.
The display unit 106 is used to display information input by a user or information provided to the user. The Display unit 106 may include a Display panel 1061, and the Display panel 1061 may be configured in the form of a Liquid Crystal Display (LCD), an Organic Light-Emitting Diode (OLED), or the like.
The user input unit 107 may be used to receive input numeric or character information and generate key signal inputs related to user settings and function control of the mobile terminal. Specifically, the user input unit 107 may include a touch panel 1071 and other input devices 1072. The touch panel 1071, also referred to as a touch screen, may collect a touch operation performed by a user on or near the touch panel 1071 (e.g., an operation performed by the user on or near the touch panel 1071 using a finger, a stylus, or any other suitable object or accessory), and drive a corresponding connection device according to a predetermined program. The touch panel 1071 may include two parts of a touch detection device and a touch controller. The touch detection device detects the touch direction of a user, detects a signal brought by touch operation and transmits the signal to the touch controller; the touch controller receives touch information from the touch sensing device, converts the touch information into touch point coordinates, sends the touch point coordinates to the processor 110, and can receive and execute commands sent by the processor 110. In addition, the touch panel 1071 may be implemented in various types, such as a resistive type, a capacitive type, an infrared ray, and a surface acoustic wave. In addition to the touch panel 1071, the user input unit 107 may include other input devices 1072. In particular, other input devices 1072 may include, but are not limited to, one or more of a physical keyboard, function keys (e.g., volume control keys, switch keys, etc.), a trackball, a mouse, a joystick, and the like, and are not limited to these specific examples.
Further, the touch panel 1071 may cover the display panel 1061, and when the touch panel 1071 detects a touch operation thereon or nearby, the touch panel 1071 transmits the touch operation to the processor 110 to determine the type of the touch event, and then the processor 110 provides a corresponding visual output on the display panel 1061 according to the type of the touch event. Although the touch panel 1071 and the display panel 1061 are shown in fig. 1 as two separate components to implement the input and output functions of the mobile terminal, in some embodiments, the touch panel 1071 and the display panel 1061 may be integrated to implement the input and output functions of the mobile terminal, and is not limited herein.
The interface unit 108 serves as an interface through which at least one external device is connected to the mobile terminal 100. For example, the external device may include a wired or wireless headset port, an external power supply (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device having an identification module, an audio input/output (I/O) port, a video I/O port, an earphone port, and the like. The interface unit 108 may be used to receive input (e.g., data information, power, etc.) from external devices and transmit the received input to one or more elements within the mobile terminal 100 or may be used to transmit data between the mobile terminal 100 and external devices.
The memory 109 may be used to store software programs as well as various data. The memory 109 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required by at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may store data (such as audio data, a phonebook, etc.) created according to the use of the cellular phone, and the like. Further, the memory 109 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device.
The processor 110 is a control center of the mobile terminal, connects various parts of the entire mobile terminal using various interfaces and lines, and performs various functions of the mobile terminal and processes data by operating or executing software programs and/or modules stored in the memory 109 and calling data stored in the memory 109, thereby performing overall monitoring of the mobile terminal. Processor 110 may include one or more processing units; preferably, the processor 110 may integrate an application processor, which mainly handles operating systems, user interfaces, application programs, etc., and a modem processor, which mainly handles wireless communications. It will be appreciated that the modem processor described above may not be integrated into the processor 110.
The mobile terminal 100 may further include a power supply 111 (e.g., a battery) for supplying power to various components, and preferably, the power supply 111 may be logically connected to the processor 110 via a power management system, so as to manage charging, discharging, and power consumption management functions via the power management system.
Although not shown in fig. 1, the mobile terminal 100 may further include a bluetooth module or the like, which is not described in detail herein.
In order to facilitate understanding of the embodiments of the present invention, a communication network system on which the mobile terminal of the present invention is based is described below.
Referring to fig. 2, fig. 2 is an architecture diagram of a communication Network system according to an embodiment of the present invention, where the communication Network system is an LTE system of a universal mobile telecommunications technology, and the LTE system includes a UE (User Equipment) 201, an E-UTRAN (Evolved UMTS Terrestrial Radio Access Network) 202, an EPC (Evolved Packet Core) 203, and an IP service 204 of an operator, which are in communication connection in sequence.
Specifically, the UE201 may be the terminal 100 described above, and is not described herein again.
The E-UTRAN202 includes eNodeB2021 and other eNodeBs 2022, among others. Among them, the eNodeB2021 may be connected with other eNodeB2022 through backhaul (e.g., X2 interface), the eNodeB2021 is connected to the EPC203, and the eNodeB2021 may provide the UE201 access to the EPC 203.
The EPC203 may include an MME (Mobility Management Entity) 2031, an HSS (Home Subscriber Server) 2032, other MMEs 2033, an SGW (Serving gateway) 2034, a PGW (PDN gateway) 2035, and a PCRF (Policy and Charging Rules Function) 2036, and the like. The MME2031 is a control node that handles signaling between the UE201 and the EPC203, and provides bearer and connection management. HSS2032 is used to provide registers to manage functions such as home location register (not shown) and holds subscriber specific information about service characteristics, data rates, etc. All user data may be sent through SGW2034, PGW2035 may provide IP address assignment for UE201 and other functions, and PCRF2036 is a policy and charging control policy decision point for traffic data flow and IP bearer resources, which selects and provides available policy and charging control decisions for a policy and charging enforcement function (not shown).
The IP services 204 may include the internet, intranets, IMS (IP Multimedia Subsystem), or other IP services, among others.
Although the LTE system is described as an example, it should be understood by those skilled in the art that the present invention is not limited to the LTE system, but may also be applied to other wireless communication systems, such as GSM, CDMA2000, WCDMA, TD-SCDMA, and future new network systems.
Based on the above mobile terminal hardware structure and communication network system, the present invention provides various embodiments of the method.
A first embodiment of the present invention provides a terminal finding method, a flowchart of which is shown in fig. 3, and the method includes steps S301 to S303:
in step S301, the first mobile terminal sends a control instruction to the second mobile terminal, where the control instruction is used to instruct the second mobile terminal to transmit an ultrasonic wave with a predetermined frequency.
Optionally, the first mobile terminal and the second mobile terminal may both be mobile terminals such as a mobile phone terminal, a tablet computer, and a wearable device (a smart watch or a smart watch, etc.). In this embodiment, in order to more clearly illustrate the implementation process of the present invention, the first mobile terminal is a smart watch having a touch screen or physical entity keys, as shown in fig. 4, the second mobile terminal is a mobile phone terminal to be searched, and the second mobile terminal has a function of transmitting ultrasonic waves. The first mobile terminal and the second mobile terminal can be connected through Bluetooth, and the first mobile terminal and the second mobile terminal can be connected with the same wireless network to achieve the purpose of data interaction between the first mobile terminal and the second mobile terminal.
Since the smart watch is worn on the wrist of the user, when the mobile phone terminal is searched, the smart watch sends a control instruction to the mobile phone terminal to be searched, and for the smart watch with the touch screen, the control instruction can be sent by touching a terminal searching virtual key (such as a display interface of the smart watch in fig. 4) of the smart watch; for the intelligent watch with the physical keys, the control instruction can be sent by pressing the physical keys for a short time or a long time.
The control instruction sent by the intelligent watch is used for controlling the mobile phone terminal to transmit the ultrasonic wave with the preset frequency. In the actual implementation process, the user can determine the transmission range of the ultrasonic wave with the preset frequency transmitted by the mobile phone terminal according to the size of the range which is frequently moved. For example: when a user frequently uses the mobile phone terminal at home, the area of the movable range of the house is large, the range of the mobile phone terminal for transmitting ultrasonic waves can be set to be 3 meters, and when the user frequently uses the mobile phone terminal in a working unit, the range of the mobile phone terminal for transmitting ultrasonic waves can be set to be 0.5 meters due to the fact that the user frequently moves or uses the range basically in one station.
Step S302, the first mobile terminal detects whether the frequency of the ultrasonic wave received from the second mobile terminal at the current time point changes relative to the frequency of the ultrasonic wave received last time at the current time point.
After the smart watch sends a control instruction to the mobile phone terminal, the mobile phone terminal transmits ultrasonic waves according to preset transmitting frequency and transmitting range, at the moment, the user carries the smart watch to continuously move, and the ultrasonic waves are received through the smart watch in the moving process. When the user does not enter the ultrasonic wave transmitting range of the mobile phone terminal, the smart watch cannot receive the ultrasonic wave transmitted by the mobile phone terminal, and when the user enters the ultrasonic wave transmitting range of the mobile phone terminal, the frequency value of the frequency of the ultrasonic wave received by the smart watch at the current time point is different from the frequency value of the ultrasonic wave received last time at the current time point based on the Doppler effect of the ultrasonic wave because the smart watch continuously moves, in this case, step S303 is executed.
And S303, the first mobile terminal gives an alarm under the condition that the frequency of the ultrasonic wave changes.
When the smart watch detects that the frequency of the ultrasonic wave received from the mobile phone terminal at the current time point is changed relative to the frequency of the ultrasonic wave received last time at the current time point, the smart watch gives an alarm to prompt a user to enter an ultrasonic wave transmitting range of the mobile phone terminal to be searched, and the mobile phone terminal is searched in the range.
Preferably, the alarm mode of the smart watch may be one or more of the following alarm modes: vibration alarm, light alarm and sound alarm. The specific alarm mode can be selected according to the actual requirements of the user or alarm is given through the alarm mode supported by the intelligent watch, and therefore the use mode more suitable for the current user is achieved.
According to the terminal searching method provided by the embodiment, the first mobile terminal receives the ultrasonic wave transmitted by the second mobile terminal in the moving process of the first mobile terminal, and alarms when the first mobile terminal detects the ultrasonic wave with the frequency change according to the Doppler effect of the ultrasonic wave so as to remind a user that the second mobile terminal to be searched is near the current first mobile terminal, so that the following problems in the prior art are solved: when the mobile terminal to be searched is in a mute state, even if a user calls the mobile terminal to be searched, the user cannot judge the approximate position of the terminal through ringing, so that the mobile terminal which cannot be searched is caused, and the user experience is poor.
On the basis of the first embodiment of the present invention, a second embodiment of the present invention provides a terminal searching method, in which, when a first mobile terminal receives an ultrasonic wave with a variable frequency, alarm levels are divided according to the value of the frequency of the received ultrasonic wave, so as to achieve a better alarm effect.
For example, when the frequency of the ultrasonic waves received by the first mobile terminal does not exceed a first frequency threshold, the first mobile terminal alarms according to a first level of alarm intensity; under the condition that the frequency of the ultrasonic waves received by the first mobile terminal exceeds a first frequency threshold and does not exceed a second frequency threshold, the first mobile terminal alarms according to the alarm intensity of the second level; under the condition that the frequency of the ultrasonic waves received by the first mobile terminal exceeds a second frequency threshold value, the first mobile terminal alarms according to the alarm intensity of a third level; the alarm intensity of the second level is higher than that of the first level, and the alarm intensity of the third level is higher than that of the second level.
Meanwhile, the user may determine the value of the distance between the first mobile terminal and the second mobile terminal according to the predetermined transmission range of the ultrasonic wave and the frequency variation of the ultrasonic wave, for example: when the frequency of the ultrasonic waves received by the first mobile terminal does not exceed a first frequency threshold value and the first mobile terminal alarms according to the first-level alarm intensity, the distance between the first mobile terminal and the second mobile terminal can be 3 meters; under the condition that the frequency of the ultrasonic waves received by the first mobile terminal exceeds a first frequency threshold and does not exceed a second frequency threshold, the first mobile terminal alarms according to the alarm intensity of a second level, and the distance between the first mobile terminal and the second mobile terminal can be 2 meters; and under the condition that the frequency of the ultrasonic waves received by the first mobile terminal exceeds a second frequency threshold, the first mobile terminal alarms according to the alarm intensity of the third grade, and the distance between the first mobile terminal and the second mobile terminal can be 1 meter. The user can judge the distance between the second mobile terminal and the first mobile terminal at the moment by combining the alarm intensity of the first mobile terminal.
Due to the doppler effect of ultrasound: in front of the moving wave source, the wave is compressed, the wavelength becomes shorter and the frequency becomes higher; the opposite effect occurs when the moving wave source is behind. In this embodiment, the second mobile terminal is a wave source, the first mobile terminal is an observer moving relative to the wave source, the wave source and the observer are in a relative motion state, and the observer still receives ultrasonic waves with frequency change due to the doppler effect when receiving the ultrasonic waves emitted by the wave source. The frequency value received by the first mobile terminal is higher as the distance between the first mobile terminal and the second mobile terminal is closer. Therefore, when the user carries the first mobile terminal to move at a fixed speed, and the distance between the first mobile terminal and the second mobile terminal is shorter, the ultrasonic frequency received by the first mobile terminal is higher, the alarm intensity level of the first mobile terminal is higher and higher, and the range of the user for searching for the second mobile terminal is reduced.
According to the setting of an actual user or according to an alarm mode supported by wearable equipment, a first-level alarm can be set as a vibration alarm, and for an intelligent watch with a touch screen, the alarm intensity level can be displayed on the screen; the second-level alarm can be set to be the combination of vibration alarm and light alarm, and for the intelligent watch, hardware equipment which can emit strong light such as a flash lamp and the like may not be provided, so that the intelligent watch can be replaced by screen flicker, and the corresponding screen flicker frequency is set; the third level of alarm may be set as a combination of a vibration alarm, a light alarm and a sound alarm, and the third level of screen blinking frequency may be set higher than the second level of screen blinking frequency for discrimination in the level of alarm intensity.
A third embodiment of the present invention provides another terminal finding method, a flowchart of which is shown in fig. 5, and the method includes steps S501 to S503:
in step S501, the second mobile terminal receives a control command from the first mobile terminal.
Optionally, the first mobile terminal and the second mobile terminal may both be mobile terminals such as a mobile phone terminal, a tablet computer, and a wearable device (a smart watch or a smart watch, etc.). In this embodiment, to more clearly illustrate the implementation process of the present invention, the first mobile terminal is a smart watch having a touch screen or physical entity keys, the second mobile terminal is a mobile phone terminal to be searched, and the second mobile terminal has functions of transmitting ultrasonic waves and detecting the frequency of reflected waves. The first mobile terminal and the second mobile terminal can be connected through Bluetooth, and the first mobile terminal and the second mobile terminal can be connected with the same wireless network to achieve the purpose of data interaction between the first mobile terminal and the second mobile terminal.
The smart watch is worn on the wrist of a user, so that when the mobile phone terminal is searched, the smart watch sends a control instruction to the mobile phone terminal to be searched, and for the smart watch with the touch screen, the smart watch can send the control instruction by touching a terminal searching virtual key in the smart watch; for the intelligent watch with the physical keys, the control instruction can be sent by pressing the physical keys for a short time or a long time.
The control instruction sent by the intelligent watch is used for controlling the mobile phone terminal to transmit the ultrasonic wave with the preset frequency. In the actual implementation process, the user can determine the transmission range of the ultrasonic wave with the preset frequency transmitted by the mobile phone terminal according to the size of the range which is frequently moved. For example: when a user frequently uses the mobile phone terminal at home, the area of the movable range of the house is large, the range of the mobile phone terminal for transmitting ultrasonic waves can be set to be 3 meters, and when the user frequently uses the mobile phone terminal in a working unit, the range of the mobile phone terminal for transmitting ultrasonic waves can be set to be 0.5 meters due to the fact that the user frequently moves or uses the range basically in one station.
In step S502, the second mobile terminal transmits an ultrasonic wave of a predetermined frequency according to the control instruction and receives a reflected wave of the ultrasonic wave of the predetermined frequency.
Since the mobile phone terminal to be searched cannot move when being placed at a fixed position, when the mobile phone terminal transmits the ultrasonic wave with the predetermined frequency outwards, the frequency of the received reflected wave should be fixed and unchanged. However, when a moving object passes through the ultrasonic wave transmission range of the mobile phone terminal, the frequency of the reflected wave received by the mobile phone terminal changes due to the doppler effect.
And step S503, under the condition that the change of the frequency of the reflected wave is detected, the second mobile terminal sends alarm information to the first mobile terminal so as to enable the first mobile terminal to alarm.
When the mobile phone terminal detects the frequency change of the received reflected waves, the mobile phone terminal sends alarm information to the intelligent watch, the intelligent watch gives an alarm through the alarm information, and prompts a user to enter an ultrasonic wave emission range of the mobile phone terminal to be searched, and the mobile phone terminal is searched in the range.
Preferably, the alarm mode of the smart watch may be one or more of the following alarm modes: vibration alarm, light alarm and sound alarm. The specific alarm mode can be selected according to the actual requirements of the user or alarm is given through the alarm mode supported by the intelligent watch, and therefore the use mode more suitable for the current user is achieved.
And under the condition that the second mobile terminal receives the ultrasonic waves with the frequency changing, dividing the alarm grade according to the received reflected wave frequency value so as to achieve a better alarm effect.
For example, when the frequency of the reflected wave received by the second mobile terminal does not exceed the third frequency threshold, alarm information with the alarm intensity of a fourth level is sent to the first mobile terminal; sending alarm information with alarm intensity of a fifth grade to the first mobile terminal under the condition that the frequency of the reflected wave received by the second mobile terminal exceeds a third frequency threshold and does not exceed a fourth frequency threshold; under the condition that the frequency of the reflected wave received by the second mobile terminal exceeds a fourth frequency threshold value, sending alarm information with alarm intensity of a sixth grade to the first mobile terminal; the alarm intensity of the fifth grade is higher than that of the fourth grade, and the alarm intensity of the sixth grade is higher than that of the fifth grade.
Meanwhile, the user may determine the value of the distance between the first mobile terminal and the mobile object according to the predetermined transmission range of the ultrasonic wave and the frequency variation of the ultrasonic wave, for example: when the frequency of the reflected wave received by the first mobile terminal does not exceed the third frequency threshold value and the first mobile terminal alarms according to the alarm intensity of the fourth level, the distance between the first mobile terminal and the moving object can be 3 meters; under the condition that the frequency of the reflected wave received by the first mobile terminal exceeds a third frequency threshold and does not exceed a fourth frequency threshold, the first mobile terminal alarms according to the alarm intensity of a fifth level, and the distance between the first mobile terminal and a moving object can be 2 meters; and under the condition that the frequency of the reflected wave received by the first mobile terminal exceeds a fourth frequency threshold, the first mobile terminal alarms according to the alarm intensity of the sixth level, and the distance between the first mobile terminal and the moving object can be 1 meter. The user can judge the distance between the second mobile terminal and the mobile object at the moment by combining the alarm intensity of the first mobile terminal.
Due to the doppler effect of ultrasound: in front of the moving wave source, the wave is compressed, the wavelength becomes shorter and the frequency becomes higher; the opposite effect occurs when the moving wave source is behind. In this embodiment, the second mobile terminal is a wave source, the moving object is an observer moving relative to the wave source, the wave source and the observer are in a relative motion state, and the observer reflects the ultrasonic wave emitted by the wave source when moving and receives the reflected wave with a frequency changing due to the doppler effect. The second mobile terminal receives a higher frequency value of the reflected wave as the distance between the moving object and the second mobile terminal is closer. Therefore, when the user moves at a fixed speed and the distance between the user and the second mobile terminal is shorter, the frequency of the reflected wave received by the second mobile terminal is higher, and then the second mobile terminal sends alarm information with higher alarm intensity level, so that the alarm mode of the first mobile terminal is changed according to the alarm intensity level, and the range of the user for searching the second mobile terminal is reduced.
According to the setting of an actual user or according to an alarm mode supported by the wearable device, the alarm of the fourth level can be set as a vibration alarm, and for the smart watch with the touch screen, the alarm intensity level can be displayed on the screen; the alarm of the fifth level can be set as the combination of vibration alarm and light alarm, and for the intelligent watch, hardware equipment which can emit strong light such as a flash lamp and the like may not be provided, so that the intelligent watch can be replaced by screen flash and the corresponding screen flash frequency is set; the alarm of the sixth level may be set as a combination of a vibration alarm, a light alarm and a sound alarm, and the screen blinking frequency of the sixth level may be set higher than that of the fifth level to make a distinction in the alarm intensity level.
A fourth embodiment of the present invention provides a mobile terminal, including a processor, a memory, and a communication bus; the communication bus is used for realizing connection communication between the processor and the memory; the processor is used for executing the terminal searching program stored in the memory so as to realize the following steps:
s10, sending a control instruction to the second mobile terminal, wherein the control instruction is used for instructing the second mobile terminal to transmit ultrasonic waves with preset frequency;
s20, detecting whether the frequency of the ultrasonic wave received from the second mobile terminal at the current time point changes relative to the frequency of the ultrasonic wave received last time at the current time point;
and S30, alarming when the frequency of the ultrasonic wave changes.
The mobile terminal provided in this embodiment may be a mobile phone terminal, a wearable device, or the like as a sender of a control instruction, and a unit capable of receiving ultrasonic waves and an alarm unit are installed on the mobile terminal, where the alarm unit may include a vibration alarm unit, a light alarm unit, and a sound alarm unit. In order to reduce the cost of the mobile terminal, the alarm unit may use the existing hardware devices in the mobile terminal, which can achieve the same effect, such as: the light alarm unit may be replaced with a display unit 106 as in fig. 1, and the light alarm function of the mobile terminal is implemented by flashing a display screen.
It should be understood that the processor in this embodiment is the processor 110 in fig. 1. When the processor executes the step of alarming under the condition that the frequency of the ultrasonic waves changes, the following steps are specifically realized:
under the condition that the frequency of the received ultrasonic waves does not exceed a first frequency threshold value, alarming according to the first-level alarm intensity; under the condition that the frequency of the ultrasonic waves received by the mobile terminal exceeds a first frequency threshold and does not exceed a second frequency threshold, alarming according to the second level of alarm intensity; under the condition that the frequency of the ultrasonic waves received by the mobile terminal exceeds a second frequency threshold value, alarming according to the alarming intensity of a third level; the alarm intensity of the second level is higher than that of the first level, and the alarm intensity of the third level is higher than that of the second level.
In order to achieve a better reminding effect and reduce the range of the user for searching the terminal, the alarm with different intensity levels can be performed by setting the frequency threshold range of the received ultrasonic wave, so that the distance between the current position of the user and the mobile terminal to be searched is reminded.
A fifth embodiment of the present invention provides a mobile terminal, including a processor, a memory, and a communication bus; the communication bus is used for realizing connection communication between the processor and the memory; the processor is used for executing the terminal searching program stored in the memory so as to realize the following steps:
s11, receiving a control instruction from the first mobile terminal;
s21, transmitting ultrasonic wave with preset frequency according to the control command and receiving the reflected wave of the ultrasonic wave with preset frequency;
and S31, sending alarm information to the first mobile terminal to alarm the first mobile terminal when the change of the frequency of the reflected wave is detected.
The mobile terminal provided in this embodiment may be a mobile phone terminal, a wearable device, and the like as a receiving end of a control instruction and a transmitting end of ultrasonic waves, and a unit capable of transmitting and receiving ultrasonic waves is installed on the mobile terminal, where the ultrasonic transmitting unit may be an independent integrated unit for transmitting ultrasonic waves, and may also transmit ultrasonic waves through a handset and other devices carried by the mobile terminal.
It should be understood that the processor in this embodiment is the processor 110 in fig. 1. When the processor executes the step of alarming under the condition that the frequency of the ultrasonic waves changes, the following steps are specifically realized:
sending alarm information with the alarm intensity of a fourth level to the first mobile terminal under the condition that the frequency of the received reflected wave does not exceed a third frequency threshold; under the condition that the frequency of the reflected waves received by the mobile terminal exceeds a third frequency threshold and does not exceed a fourth frequency threshold, sending alarm information with the alarm intensity of a fifth grade to the first mobile terminal; under the condition that the frequency of the reflected waves received by the mobile terminal exceeds a fourth frequency threshold value, sending alarm information with alarm intensity of a sixth grade to the first mobile terminal; the alarm intensity of the fifth grade is higher than that of the fourth grade, and the alarm intensity of the sixth grade is higher than that of the fifth grade.
In order to achieve a better reminding effect and reduce the range of a user for searching the terminal, the alarm with different intensity levels can be performed by setting the frequency threshold range of the received reflected wave, and then the distance between the current position of the user and the mobile terminal to be searched is reminded.
Through the above description of the embodiments, those skilled in the art can clearly understand that the method according to the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but the former is a better implementation mode in many cases. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which is stored in a storage medium (e.g., ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal device (e.g., a mobile phone, a computer, a server, or a network device) to execute the method according to the embodiments of the present invention.
The embodiment of the invention also provides a storage medium. Alternatively, in the present embodiment, the storage medium may be configured to store program codes for performing the following steps:
s611, the first mobile terminal sends a control instruction to the second mobile terminal, wherein the control instruction is used for instructing the second mobile terminal to transmit ultrasonic waves with preset frequency;
s612, the first mobile terminal detects whether the frequency of the ultrasonic wave received from the second mobile terminal at the current time point changes relative to the frequency of the ultrasonic wave received last time at the current time point;
and S613, the first mobile terminal alarms when the frequency of the ultrasonic wave changes.
Optionally, in this embodiment, the storage medium may be further configured to store program codes for performing the following steps:
s621, the second mobile terminal receives a control instruction from the first mobile terminal;
s622, the second mobile terminal transmits ultrasonic waves with preset frequency according to the control command and receives reflected waves of the ultrasonic waves with the preset frequency;
and S623, under the condition that the change of the frequency of the reflected wave is detected, the second mobile terminal sends alarm information to the first mobile terminal so as to enable the first mobile terminal to alarm.
Optionally, in this embodiment, the storage medium may include, but is not limited to: a U-disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic or optical disk, and other various media capable of storing program codes. Optionally, in this embodiment, the processor executes the method steps described in the above embodiments according to the program code stored in the storage medium. Optionally, the specific examples in this embodiment may refer to the examples described in the above embodiments and optional implementation manners, and this embodiment is not described herein again. It will be apparent to those skilled in the art that the modules or steps of the present invention described above may be implemented by a general purpose computing device, they may be centralized on a single computing device or distributed across a network of multiple computing devices, and alternatively, they may be implemented by program code executable by a computing device, such that they may be stored in a storage device and executed by a computing device, and in some cases, the steps shown or described may be performed in an order different than that described herein, or they may be separately fabricated into individual integrated circuit modules, or multiple ones of them may be fabricated into a single integrated circuit module. Thus, the present invention is not limited to any specific combination of hardware and software.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal (such as a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present invention.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (6)
1. A mobile terminal searching method is characterized by comprising the following steps:
the method comprises the steps that a first mobile terminal sends a control instruction to a second mobile terminal, wherein the control instruction is used for instructing the second mobile terminal to transmit ultrasonic waves with preset frequency;
the first mobile terminal detects whether the frequency of the ultrasonic wave received from the second mobile terminal at the current time point changes relative to the frequency of the ultrasonic wave received last time at the current time point;
under the condition that the frequency of the ultrasonic waves changes, the first mobile terminal gives an alarm;
determining the transmission range of the ultrasonic wave with the preset frequency transmitted by the second mobile terminal according to the activity range of the user;
under the condition that the frequency of the ultrasonic waves changes, the first mobile terminal gives an alarm, and the method comprises the following steps:
under the condition that the frequency of ultrasonic waves received by the first mobile terminal does not exceed a first frequency threshold value, the first mobile terminal alarms according to the alarm intensity of a first level;
under the condition that the frequency of ultrasonic waves received by the first mobile terminal exceeds the first frequency threshold and does not exceed a second frequency threshold, the first mobile terminal alarms according to the alarm intensity of a second level;
under the condition that the frequency of the ultrasonic waves received by the first mobile terminal exceeds the second frequency threshold value, the first mobile terminal alarms according to the alarm intensity of a third level;
wherein the second level of alarm intensity is higher than the first level of alarm intensity, and the third level of alarm intensity is higher than the second level of alarm intensity.
2. The mobile terminal searching method of claim 1, wherein the alarm manner comprises one or more of the following: vibration alarm, light alarm and sound alarm.
3. A mobile terminal searching method is characterized by comprising the following steps:
the second mobile terminal receives a control instruction from the first mobile terminal;
the second mobile terminal transmits ultrasonic waves with preset frequency according to the control instruction and receives reflected waves of the ultrasonic waves with the preset frequency;
under the condition that the frequency of the reflected wave is detected to be changed, the second mobile terminal sends alarm information to the first mobile terminal so as to enable the first mobile terminal to alarm;
determining the transmission range of the ultrasonic wave with the preset frequency transmitted by the second mobile terminal according to the activity range of the user;
the second mobile terminal sends alarm information to the first mobile terminal, and the alarm information comprises the following steps:
sending alarm information with alarm intensity of a fourth grade to the first mobile terminal under the condition that the frequency of the reflected waves received by the second mobile terminal does not exceed a third frequency threshold;
sending alarm information with alarm intensity of a fifth grade to the first mobile terminal under the condition that the frequency of the reflected wave received by the second mobile terminal exceeds a third frequency threshold and does not exceed a fourth frequency threshold;
sending alarm information with alarm intensity of a sixth grade to the first mobile terminal under the condition that the frequency of the reflected wave received by the second mobile terminal exceeds a fourth frequency threshold;
wherein the alarm intensity of the fifth level is higher than the alarm intensity of the fourth level, and the alarm intensity of the sixth level is higher than the alarm intensity of the fifth level.
4. A mobile terminal is characterized by comprising a processor, a memory and a communication bus;
the communication bus is used for realizing connection communication between the processor and the memory;
the processor is configured to execute a terminal finding program stored in the memory to implement the steps of:
sending a control instruction to a second mobile terminal, wherein the control instruction is used for instructing the second mobile terminal to transmit ultrasonic waves with preset frequency;
detecting whether the frequency of the ultrasonic wave received from the second mobile terminal at the current time point changes relative to the frequency of the ultrasonic wave received last time at the current time point;
alarming when the frequency of the ultrasonic wave changes;
determining the transmission range of the ultrasonic wave with the preset frequency transmitted by the second mobile terminal according to the activity range of the user;
when the processor performs the step of alarming under the condition that the frequency of the ultrasonic waves changes, the following steps are specifically realized:
under the condition that the frequency of the received ultrasonic waves does not exceed a first frequency threshold value, alarming according to the first-level alarm intensity;
under the condition that the frequency of the ultrasonic waves received by the mobile terminal exceeds a first frequency threshold and does not exceed a second frequency threshold, alarming according to the alarm intensity of a second level;
under the condition that the frequency of the ultrasonic waves received by the mobile terminal exceeds a second frequency threshold value, alarming according to the alarming intensity of a third level;
wherein the second level of alarm intensity is higher than the first level of alarm intensity, and the third level of alarm intensity is higher than the second level of alarm intensity.
5. A mobile terminal is characterized by comprising a processor, a memory and a communication bus;
the communication bus is used for realizing connection communication between the processor and the memory;
the processor is configured to execute a terminal finding program stored in the memory to implement the steps of:
receiving a control instruction from a first mobile terminal;
transmitting ultrasonic waves of a preset frequency according to the control instruction and receiving reflected waves of the ultrasonic waves of the preset frequency;
sending alarm information to the first mobile terminal under the condition that the frequency of the reflected wave is detected to change so as to enable the first mobile terminal to alarm;
determining the transmitting range of the ultrasonic wave with the preset frequency transmitted by the mobile terminal corresponding to the processor according to the moving range of the first mobile terminal;
when the processor executes the step of sending alarm information to the first mobile terminal, the following steps are specifically realized:
sending alarm information with the alarm intensity of a fourth level to the first mobile terminal under the condition that the frequency of the received reflected wave does not exceed a third frequency threshold;
sending alarm information with alarm intensity of a fifth grade to the first mobile terminal under the condition that the frequency of the reflected wave received by the mobile terminal exceeds a third frequency threshold and does not exceed a fourth frequency threshold;
sending alarm information with alarm intensity of a sixth grade to the first mobile terminal under the condition that the frequency of the reflected wave received by the mobile terminal exceeds a fourth frequency threshold;
wherein the alarm intensity of the fifth level is higher than the alarm intensity of the fourth level, and the alarm intensity of the sixth level is higher than the alarm intensity of the fifth level.
6. A storage medium storing a computer program, characterized in that the computer program realizes the steps of the method of any one of claims 1 to 2 when executed by a processor or realizes the steps of the method of claim 3 when executed by a processor.
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| CN108226880B (en) * | 2017-12-29 | 2021-11-02 | 努比亚技术有限公司 | Method and device for preventing interference in ultrasonic distance detection and storage medium |
| CN110045378B (en) * | 2018-01-17 | 2022-06-21 | 中兴通讯股份有限公司 | Method and device for searching terminal equipment and related equipment |
| CN108924344B (en) * | 2018-06-19 | 2021-06-25 | Oppo广东移动通信有限公司 | Terminal vibration method and device, storage medium and electronic equipment |
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