CN106546969A - The method and device of ultrasound wave calibration - Google Patents
The method and device of ultrasound wave calibration Download PDFInfo
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- CN106546969A CN106546969A CN201610912874.3A CN201610912874A CN106546969A CN 106546969 A CN106546969 A CN 106546969A CN 201610912874 A CN201610912874 A CN 201610912874A CN 106546969 A CN106546969 A CN 106546969A
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- mobile device
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- specified threshold
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
- G01S7/52004—Means for monitoring or calibrating
Abstract
Present disclose provides a kind of method and device of ultrasound wave calibration, belongs to mobile device technology field.Methods described includes：Ultrasonic signal with specified intensity is sent under assigned work environment by the ultrasound transmitter device part of the mobile device；The reflected signal of the ultrasonic signal is received by the ultrasonic receiver part of the mobile device；According to the signal intensity of the reflected signal, specified threshold is calibrated, the specified threshold is the ultrasound wave response lag of the specified function of the mobile device.The signal intensity of reflected signal of the disclosure by being received under assigned work environment according to mobile device, is adjusted to the ultrasound wave response lag of the specified function of the mobile device, so as to improve operation success rate, ensures the normal operation for specifying function.
Description
Technical field
It relates to mobile device technology field, more particularly to a kind of method and device of ultrasound wave calibration.
Background technology
As the development of mobile device technology, the function of mobile device are stronger and stronger, the life of people is very easy to
It is living.Some mobile devices on the market have ultrasonic wave energy now, and mobile device can be launched by ultrasound transmitter device part
Ultrasonic signal, receives the time during reflected signal of the ultrasonic signal according to the ultrasonic receiver part of mobile device
Difference, it is possible to which calculating object is with a distance from mobile device in real time.Using above-mentioned characteristic, mobile device can be perceived in certain limit
Gesture motion, to realize corresponding control function according to the gesture motion, without the finite baffle for being confined to mobile device again
Scope.
At present, the ultrasonic signal that mobile device sends has a fixed signal intensity, and the signal intensity is by factory
Family is placed in the mobile device in closed test box and carries out experiment test and obtain.
The content of the invention
To overcome problem present in correlation technique, the disclosure to provide a kind of method and device of ultrasound wave calibration.
According to the first aspect of the embodiment of the present disclosure, there is provided a kind of method of ultrasound wave calibration, including：
Send super with specified intensity under assigned work environment by the ultrasound transmitter device part of the mobile device
Acoustic signals；
The reflected signal of the ultrasonic signal is received by the ultrasonic receiver part of the mobile device；
According to the signal intensity of the reflected signal, specified threshold is calibrated, the specified threshold is the movement
The ultrasound wave response lag of the specified function of equipment.
The method that the embodiment of the present disclosure is provided, the reflected signal received under assigned work environment according to mobile device
Signal intensity, is adjusted to the ultrasound wave response lag of the specified function of the mobile device, so as to improve operation success rate, protects
Barrier specifies the normal operation of function.
In the first implementation of first aspect, the signal intensity according to the reflected signal, to specifying threshold
Value carries out calibration to be included：
Obtain the difference between the signal intensity of the reflected signal and the specified threshold；
If the signal intensity of the reflected signal is more than the specified threshold, and the difference is more than default value, then
The specified threshold is adjusted to into first threshold, the first threshold is more than the specified threshold；
If the signal intensity of the reflected signal is less than the specified threshold, and the difference is more than default value, then
The specified threshold is adjusted to into Second Threshold, the Second Threshold is less than the specified threshold.
The method that the embodiment of the present disclosure is provided, the reflected signal received under assigned work environment by mobile device
Difference between signal intensity and specified threshold, is adjusted to specified threshold, and the calibration for ultrasound wave provides a kind of realization
Mode.
In second implementation of first aspect, methods described also includes：
Sent under at least two working environments by the ultrasound transmitter device part of the mobile device and there is specified intensity
Ultrasonic signal；
Ultrasound wave under at least two working environment is received by the ultrasonic receiver part of the mobile device
The reflected signal of signal；
According to the signal intensity of the reflected signal, carrying out calibration to specified threshold includes：
According to the signal intensity of the reflected signal of the ultrasonic signal under at least two working environment and described specify
The signal intensity of the reflected signal under working environment, calibrates to the specified threshold.
The embodiment of the present disclosure provide method, according to mobile device under assigned work environment and other at least two work
The signal intensity of the reflected signal received under environment, adjusts to the ultrasound wave response lag of the specified function of the mobile device
Whole, the calibration for ultrasound wave provides another kind of implementation.
In the third implementation of first aspect, the assigned work environment is the mobile device except equipment bottom
Face has beyond shelter, other position have no occluders；
At least two working environment includes：
The periphery have no occluder of the mobile device；
There is shelter at the predeterminable range of the mobile device.
The method that the embodiment of the present disclosure is provided, the working environment of mobile device calibration enumerate the real work of mobile device
Environment, calibration result are more accurate.
In the 4th kind of implementation of first aspect, the specified threshold is used to indicate institute in the range of distance to a declared goal
State the minimum signal strength of reflected signal detected during the specified gesture operation corresponding to specified function.
The method that the embodiment of the present disclosure is provided, the specified gesture behaviour that specified threshold is defined as corresponding to specified function
The minimum signal strength of detected reflected signal when making so that can be improved by the adjustment of specified threshold and be operated successfully
Rate, it is ensured that the normal operation of the specified function of mobile device.
According to the second aspect of the embodiment of the present disclosure, there is provided a kind of device of ultrasound wave calibration, including：
Sending module, is had for being sent under assigned work environment by the ultrasound transmitter device part of the mobile device
The ultrasonic signal of specified intensity；
Receiver module, receives the reflection of the ultrasonic signal for the ultrasonic receiver part by the mobile device
Signal；
Calibration module, for the signal intensity according to the reflected signal, calibrates to specified threshold, the specified threshold
It is worth the ultrasound wave response lag of the specified function for the mobile device.
In the first implementation of second aspect, the calibration module includes：
Acquisition submodule, for obtaining the difference between the signal intensity of the reflected signal and the specified threshold；
First adjustment submodule, if the signal intensity for the reflected signal is more than the specified threshold, and it is described
Difference is more than default value, then the specified threshold is adjusted to first threshold, and the first threshold is more than the specified threshold；
Second adjustment submodule, if the signal intensity for the reflected signal is less than the specified threshold, and it is described
Difference is more than default value, then the specified threshold is adjusted to Second Threshold, and the Second Threshold is less than the specified threshold.
In second implementation of second aspect, described device also includes：
The sending module, is additionally operable to by the ultrasound transmitter device part of the mobile device at least two working environments
It is lower to send the ultrasonic signal with specified intensity；
The receiver module, is additionally operable to receive described at least two by the ultrasonic receiver part of the mobile device
The reflected signal of the ultrasonic signal under working environment；
The calibration module includes：
Calibration submodule, for the signal of the reflected signal according to the ultrasonic signal under at least two working environment
The signal intensity of the reflected signal under intensity and the assigned work environment, calibrates to the specified threshold.
In the third implementation of second aspect, the assigned work environment is the mobile device except equipment bottom
Face has beyond shelter, other position have no occluders；
At least two working environment includes：
The periphery have no occluder of the mobile device；
There is shelter at the predeterminable range of the mobile device.
In the 4th kind of implementation of second aspect, the specified threshold is used to indicate institute in the range of distance to a declared goal
State the minimum signal strength of reflected signal detected during the specified gesture operation corresponding to specified function.
According to the third aspect of the embodiment of the present disclosure, there is provided a kind of device of ultrasound wave calibration, including：
Processor；
For storing the memorizer of the executable instruction of processor；
Wherein, the processor is configured to：
Send super with specified intensity under assigned work environment by the ultrasound transmitter device part of the mobile device
Acoustic signals；
The reflected signal of the ultrasonic signal is received by the ultrasonic receiver part of the mobile device；
According to the signal intensity of the reflected signal, specified threshold is calibrated, the specified threshold is the movement
The ultrasound wave response lag of the specified function of equipment.
It should be appreciated that the general description of the above and detailed description hereinafter are only exemplary and explanatory, not
The disclosure can be limited.
Description of the drawings
During accompanying drawing herein is merged in description and the part of this specification is constituted, show the enforcement for meeting the disclosure
Example, and be used for explaining the principle of the disclosure together with description.
Fig. 1 is a kind of flow chart of the method for the ultrasound wave calibration according to an exemplary embodiment.
Fig. 2 is a kind of flow chart of the method for the ultrasound wave calibration according to an exemplary embodiment.
Fig. 3 is the schematic diagram that a kind of mobile device that the embodiment of the present disclosure is provided is in floating state.
Fig. 4 is the schematic diagram that a kind of mobile device that the embodiment of the present disclosure is provided is in desktop state.
Fig. 5 is the schematic diagram that a kind of mobile device that the embodiment of the present disclosure is provided is in occlusion state.
Fig. 6 is a kind of block diagram of the device of the ultrasound wave calibration according to an exemplary embodiment.
Fig. 7 is a kind of block diagram of the calibration module 603 according to an exemplary embodiment.
Fig. 8 is a kind of block diagram of the calibration module 603 according to an exemplary embodiment.
Fig. 9 is a kind of block diagram of the device 900 of the ultrasound wave calibration according to an exemplary embodiment.
Specific embodiment
To make purpose, technical scheme and the advantage of the disclosure clearer, below in conjunction with accompanying drawing to disclosure embodiment party
Formula is described in further detail.
Here in detail exemplary embodiment will be illustrated, its example is illustrated in the accompanying drawings.Explained below is related to
During accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawings represent same or analogous key element.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistent with the disclosure.Conversely, they be only with as appended by
The example of consistent apparatus and method in terms of some described in detail in claims, the disclosure.
Fig. 1 is a kind of flow chart of the method for the ultrasound wave calibration according to an exemplary embodiment, as shown in figure 1,
The method of ultrasound wave calibration is used in mobile device, comprises the following steps:
In a step 101, send to have under assigned work environment by the ultrasound transmitter device part of the mobile device and refer to
Determine the ultrasonic signal of intensity；
In a step 102, the reflected signal of the ultrasonic signal is received by the ultrasonic receiver part of the mobile device；
In step 103, the signal intensity according to the reflected signal, calibrates to specified threshold, and the specified threshold is
The ultrasound wave response lag of the specified function of the mobile device.
In the embodiment of the present disclosure, the signal of the reflected signal received under assigned work environment according to mobile device is strong
Degree, is adjusted to the ultrasound wave response lag of the specified function of the mobile device, so as to improve operation success rate, ensures and specifies
The normal operation of function.
In a kind of possible implementation, the signal intensity according to the reflected signal carries out calibration bag to specified threshold
Include：
Obtain the difference between the signal intensity of the reflected signal and the specified threshold；
If the signal intensity of the reflected signal is more than the specified threshold, and the difference is more than default value, then refer to this
It is first threshold to determine adjusting thresholds, and the first threshold is more than the specified threshold；
If the signal intensity of the reflected signal is less than the specified threshold, and the difference is more than default value, then refer to this
It is Second Threshold to determine adjusting thresholds, and the Second Threshold is less than the specified threshold.
In a kind of possible implementation, the method also includes：
Sent under at least two working environments with specified intensity by the ultrasound transmitter device part of the mobile device
Ultrasonic signal；
Ultrasonic signal under at least two working environment is received by the ultrasonic receiver part of the mobile device
Reflected signal；
According to the signal intensity of the reflected signal, carrying out calibration to specified threshold includes：
According to signal intensity and the assigned work of the reflected signal of the ultrasonic signal under at least two working environment
The signal intensity of the reflected signal under environment, calibrates to the specified threshold.
In a kind of possible implementation, the assigned work environment is the mobile device except equipment bottom surface has shelter
In addition, other position have no occluders；
At least two working environment includes：
The periphery have no occluder of the mobile device；
There is shelter at the predeterminable range of the mobile device.
In a kind of possible implementation, the specified threshold is used to indicate the specified function institute in the range of distance to a declared goal
The minimum signal strength of detected reflected signal during corresponding specified gesture operation.
Above-mentioned all optional technical schemes, can adopt the alternative embodiment for arbitrarily combining to form the disclosure, and here is no longer
Repeat one by one.
Fig. 2 is a kind of flow chart of the method for the ultrasound wave calibration according to an exemplary embodiment, as shown in Fig. 2
The method of ultrasound wave calibration is used in mobile device, comprises the following steps:
In step 201, the ultrasound wave school to the mobile device is received under assigned work environment by the mobile device
Quasi instruction.
During the life-time service of mobile device, the generation of situations such as dropping or collide with is might have, cause movement
Some of equipment ultrasonic wave energies are sensitive or accurate when just may not begin to use, and now need the ultrasound to the mobile device
Ripple is calibrated, and so as to improve operation success rate, ensures the normal operation for specifying function.Mobile device is in actual use
, may there are various situations in residing environment, i.e. working environment.In order in the case where calibration result availability height is ensured,
Simplify the flow process of calibration as far as possible, mobile device working environment more typical in actual use can be chosen, as specified
Working environment, calibrates to the ultrasound wave of mobile device under the assigned work environment.In the disclosed embodiments, it is intended that work
Make environment for mobile device in addition to equipment bottom surface has shelter, other position have no occluders, i.e. desktop state.
By taking the specified function of mobile device as an example, it is intended that function refers to the function of realizing using ultrasound wave, for example, pass through
The function of mobile device screen is closed in user gesture operation.When user recognizes the specified function is less sensitive when, such as movement sets
When gesture operation response corresponding to the standby specified function to user is slack-off or is not responding to, user can enter the handss of mobile device
Dynamic Calibration interface, the Calibration interface can be guiding user to carry out corresponding calibration operation come final complete by the way of progressively performing
The calibration of the ultrasound wave of the mobile device in pairs, so that the specified function of mobile device is preferably realized.
For example, after user enters the Calibration interface, assigned work environment can be selected on the Calibration interface, when movement sets
For when detecting the selection operation, user can be guided for the mobile device and build an assigned work environment, with assigned work ring
As a example by border is desktop state, user can be guided to place on the table mobile device in the fixed space, then user can be with
Click starts the following sending alignment instruction of button calibrated, and receives the calibration command by mobile device.The embodiment of the present disclosure is to the school
The concrete form at quasi- interface is not limited.
In step 202., send to have under assigned work environment by the ultrasound transmitter device part of the mobile device and refer to
Determine the ultrasonic signal of intensity.
In the embodiment of the present disclosure, it is intended that intensity refers to the inherent strength that the mobile device sends ultrasonic signal.Work as shifting
When dynamic equipment receives the calibration command under assigned work environment, referred at this by the ultrasound transmitter device part of the mobile device
Determine under working environment, to send the ultrasonic signal with specified intensity.
For example, during calibration command under mobile device receives desktop state, sent out by the ultrasound wave of the mobile device
Send device that the ultrasonic signal 1 with specified intensity is sent under desktop state.
It should be noted that the ultrasonic wave energy of mobile device can pass through the ultrasound transmitter device part of mobile device and surpass
Acoustic receiver device is realizing.In the disclosed embodiments, with ultrasound transmitter device part as receiver, ultrasonic receiver part is wheat
Gram wind is illustrating to the ultrasonic wave energy of mobile device.In another embodiment of the present disclosure, can also be using except receiver
The ultrasonic wave energy of mobile device is realized with the special ultrasound transmitter device part and ultrasonic receiver part beyond mike,
The embodiment of the present disclosure is not limited to this.
In step 203, the reflected signal of the ultrasonic signal is received by the ultrasonic receiver part of the mobile device.
Specify when sending to have under the ultrasound transmitter device part of mobile device assigned work environment shown in step 201
After the ultrasonic signal of intensity, the ultrasonic signal encounters the barrier in fixed space in way is propagated, and such as fixation is empty
Between inwall, just immediately return come, the reflection of the ultrasonic signal is received by the ultrasonic receiver part of the mobile device
Signal.
Citing in correspondence step 202, by the anti-of the ultrasonic receiver part received ultrasonic signal 1 of the mobile device
Penetrate signal 1.
In step 204, the signal intensity according to the reflected signal, calibrates to specified threshold, and the specified threshold is
The ultrasound wave response lag of the specified function of the mobile device.
Specified threshold refers to the ultrasound wave response lag of the specified function, i.e. mobile device and connects receiving signal intensity
During the ultrasonic signal of the nearly specified threshold, the specified function just can be performed in time and exactly.
The specified threshold can be obtained in the following manner：By the ultrasound transmitter device part of the mobile device at least two
The ultrasonic signal with specified intensity is sent under individual working environment；Received by the ultrasonic receiver part of the mobile device
The reflected signal of the ultrasonic signal under at least two working environment；Believed according to the ultrasound wave under at least two working environment
Number reflected signal signal intensity, determine specified threshold.The specified threshold is used to indicate occur to specify in the range of distance to a declared goal
The minimum signal strength of detected reflected signal during specified gesture operation corresponding to function, the specified threshold can be by extremely
The signal intensity of the reflected signal of the ultrasonic signal under few two working environments, is obtained based on any one algorithm, for example averagely
Value-based algorithm.
Wherein, at least two working environment includes：Periphery have no occluder (referred to as " the floating shape of the mobile device
State ")；The mobile device in addition to equipment bottom surface has shelter, other position have no occluders (referred to as " desktop state ")；
There is at the predeterminable range of the mobile device shelter (referred to as " occlusion state "), such as predeterminable range is 2 centimetres to 5 lis
Rice.
In order to ensure the unification of the physical condition of different test environments, can be built in same fixed space respectively above-mentioned
The test environment of floating state, desktop state and occlusion state, respectively referring to Fig. 3, Fig. 4 and Fig. 5, Fig. 3 is the embodiment of the present disclosure
A kind of schematic diagram of the mobile device for providing in floating state, Fig. 4 are at a kind of mobile device that the embodiment of the present disclosure is provided
In the schematic diagram of desktop state, Fig. 5 is the schematic diagram that a kind of mobile device that the embodiment of the present disclosure is provided is in occlusion state.
As shown in figure 3, floating state can be by supporting the mobile device come real using a support in fixed space
Now, the support and mobile device contact area very little, do not result in and mobile device are blocked；As shown in figure 4, desktop state can
By supporting a plane using a support in same fixed space, mobile device is positioned in the plane real
It is existing；As shown in figure 5, occlusion state can place a gear at the predeterminable range of mobile device on the basis of desktop state
Plate is realizing.
The acquisition process of above-mentioned specified threshold can be carried out before mobile device dispatches from the factory, i.e. producing line calibration, by producing line school
After quasi- acquisition specified threshold, can write the specified threshold as special parameter in the mobile device.In the mobile device
During actually used after dispatching from the factory, when user occurs the specified gesture operation, mobile device can read the specified threshold, and
The signal intensity of the reflected signal for receiving is compared with the specified threshold, so as to judge whether to perform the specified function.
Mobile device during long-term use, because of situations such as the generation dropped or collide with so that mobile device
The signal intensity of received reflected signal, has increased compared with when mobile device dispatches from the factory or has reduced.When mobile device institute
When the signal intensity of the reflected signal for receiving has increased compared with when mobile device dispatches from the factory, judge whether as mobile device
The specified threshold for performing the reference standard for specifying function also should accordingly be adjusted to higher value, could read this in mobile device and refer to
After determining threshold value, the specified function is performed exactly；In the same manner, when signal intensity and the shifting of the reflected signal received by mobile device
Dynamic equipment is compared when dispatching from the factory when having reduced, and the specified threshold also should accordingly be adjusted to smaller value, and mobile device could be accurately
Ground performs the specified function.Therefore, it can the signal intensity of the reflected signal according to received by mobile device, to specified threshold
Calibrated so that the specified threshold after calibration more meets the current hardware condition of mobile device, and by this calibrate after specify
Threshold value judges whether to perform the new reference standard of specified function as mobile device.
Wherein, the signal intensity according to the reflected signal, the process calibrated to specified threshold can include：
Obtain the difference between the signal intensity of the reflected signal and the specified threshold；
If the signal intensity of the reflected signal is more than the specified threshold, and the difference is more than default value, then refer to this
It is first threshold to determine adjusting thresholds, and the first threshold is more than the specified threshold；
If the signal intensity of the reflected signal is less than the specified threshold, and the difference is more than default value, then refer to this
It is Second Threshold to determine adjusting thresholds, and the Second Threshold is less than the specified threshold.
In the disclosed embodiments, it is the anti-of ultrasonic signal according to received by mobile device under assigned work environment
The signal intensity of signal is penetrated, specified threshold is calibrated, so as to realize a kind of implementation of ultrasound wave calibration.Such as step
Described in 201, the ultrasound wave calibration steps is based on the purpose for simplifying calibration flow process, in fact, ultrasound wave calibration can also have
Other implementations.
In another embodiment of the present disclosure, ultrasound wave calibration can also be realized by procedure below：
Sent under at least two working environments with specified intensity by the ultrasound transmitter device part of the mobile device
Ultrasonic signal；The ultrasound wave letter under at least two working environment is received by the ultrasonic receiver part of the mobile device
Number reflected signal；According to the signal intensity and specified work of the reflected signal of the ultrasonic signal under at least two working environment
Make the signal intensity of the reflected signal under environment, the specified threshold is calibrated.
At least two working environment includes：The periphery have no occluder of the mobile device, i.e. floating state；The mobile device
Predeterminable range at there is shelter, i.e. occlusion state.Mobile device can guide user to build at least two working environment,
For example, when the calibration under floating state is carried out to mobile device, user handheld mobile device and guarantor in the fixed space are guided
The predeterminable range of card mobile device does not have shelter；When the calibration under occlusion state is carried out to mobile device, user is guided to exist
A handss handheld mobile device in same fixed space, another handss block the ultrasound wave in the mobile device at predeterminable range
The sounding position of sending device.
For another embodiment of the present disclosure, it is intended that the signal intensity of the reflected signal under working environment can be by this public affairs
The calibration steps for opening embodiment is obtained.The embodiment is according to moving under assigned work environment and other at least two working environment
The signal intensity of the reflected signal received by equipment, the situation calibrated by specified threshold.Final purpose is by calibration
Obtain a new specified threshold for more meeting the current hardware condition of mobile device, the determination mode of the new specified threshold and aforementioned finger
Determine the determination of threshold value in the same manner, i.e., obtained based on identical algorithm.
In the embodiment of the present disclosure, the signal of the reflected signal by being received under assigned work environment according to mobile device
Intensity, is adjusted to the ultrasound wave response lag of the specified function of the mobile device, and so as to improve operation success rate, guarantee refers to
Determine the normal operation of function.
Fig. 6 is a kind of device block diagram of the ultrasound wave calibration according to an exemplary embodiment.With reference to Fig. 6, the device
Including sending module 601, receiver module 602 and calibration module 603.
The sending module 601 is configured to the ultrasound transmitter device part of the mobile device and issues in assigned work environment
Send the ultrasonic signal with specified intensity；
The receiver module 602 is configured to the ultrasonic receiver part of the mobile device and receives the ultrasonic signal
Reflected signal；
The calibration module 603 is configured to the signal intensity according to the reflected signal, and specified threshold is calibrated, and this refers to
Determine the ultrasound wave response lag of the specified function that threshold value is the mobile device.
In a kind of possible implementation, referring to Fig. 7, Fig. 7 is a kind of calibrating die according to an exemplary embodiment
The block diagram of block 603, the calibration module 603 include：
Acquisition submodule, is configured to obtain the difference between the signal intensity and the specified threshold of the reflected signal；
First adjustment submodule, if the signal intensity for being configured to the reflected signal is more than the specified threshold, and the difference
The specified threshold is then adjusted to first threshold more than default value by value, and the first threshold is more than the specified threshold；
Second adjustment submodule, if the signal intensity for being configured to the reflected signal is less than the specified threshold, and the difference
The specified threshold is then adjusted to Second Threshold more than default value by value, and the Second Threshold is less than the specified threshold.
In a kind of possible implementation, the device also includes：
The sending module 601, is additionally configured to by the ultrasound transmitter device part of the mobile device at least two work
The ultrasonic signal with specified intensity is sent under environment；
The receiver module 602, be additionally configured to by the ultrasonic receiver part of the mobile device receive this at least two
The reflected signal of the ultrasonic signal under individual working environment；
Referring to Fig. 8, Fig. 8 is a kind of block diagram of the calibration module 603 according to an exemplary embodiment, the calibration module
603 include：
Calibration submodule, is configured to the letter of the reflected signal according to the ultrasonic signal under at least two working environment
The signal intensity of the reflected signal under number intensity and the assigned work environment, calibrates to the specified threshold.
In a kind of possible implementation, the assigned work environment is the mobile device except equipment bottom surface has shelter
In addition, other position have no occluders；
At least two working environment includes：
The periphery have no occluder of the mobile device；
There is shelter at the predeterminable range of the mobile device.
In a kind of possible implementation, the specified threshold is configured to indicate that the specified work(occurs in the range of distance to a declared goal
The minimum signal strength of detected reflected signal during specified gesture operation corresponding to energy.
With regard to the device in above-described embodiment, wherein modules perform the concrete mode of operation in relevant the method
Embodiment in be described in detail, explanation will be not set forth in detail herein.
Fig. 9 is a kind of block diagram of the device 900 of the ultrasound wave calibration according to an exemplary embodiment.For example, device
900 can be mobile phone, and computer, digital broadcast terminal, messaging devices, game console, tablet device, medical treatment set
It is standby, body-building equipment, personal digital assistant etc..
With reference to Fig. 9, device 900 can include following one or more assemblies：Process assembly 902, memorizer 904, power supply
Component 906, multimedia groupware 908, audio-frequency assembly 910, the interface 912 of input/output (I/O), sensor cluster 914, and
Communication component 916.
The integrated operation of 902 usual control device 900 of process assembly, such as with display, call, data communication, phase
Machine operates and records the associated operation of operation.Process assembly 902 can refer to perform including one or more processors 920
Order, to complete all or part of step of above-mentioned method.Additionally, process assembly 902 can include one or more modules, just
Interaction between process assembly 902 and other assemblies.For example, process assembly 902 can include multi-media module, many to facilitate
Interaction between media component 908 and process assembly 902.
Memorizer 904 is configured to store various types of data to support the operation in device 900.These data are shown
Example includes the instruction of any application program or method for operating on device 900, and contact data, telephone book data disappear
Breath, picture, video etc..Memorizer 904 can be by any kind of volatibility or non-volatile memory device or their group
Close and realize, such as static RAM (SRAM), Electrically Erasable Read Only Memory (EEPROM) is erasable to compile
Journey read only memory (EPROM), programmable read only memory (PROM), read only memory (ROM), magnetic memory, flash
Device, disk or CD.
Power supply module 906 provides electric power for the various assemblies of device 900.Power supply module 906 can include power management system
System, one or more power supplys, and other generate, manage and distribute the component that electric power is associated with for device 900.
Multimedia groupware 908 is included in the screen of one output interface of offer between device 900 and user.In some realities
Apply in example, screen can include liquid crystal display (LCD) and touch panel (TP).If screen includes touch panel, screen can
To be implemented as touch screen, to receive the input signal from user.Touch panel include one or more touch sensors with
Gesture on sensing touch, slip and touch panel.Touch sensor can not only sensing touch or sliding action border, and
And also detect the persistent period related to touch or slide and pressure.In certain embodiments, multimedia groupware 908 includes
One front-facing camera and/or post-positioned pick-up head.When device 900 is in operator scheme, such as screening-mode or during video mode is front
Put photographic head and/or post-positioned pick-up head can receive the multi-medium data of outside.Each front-facing camera and post-positioned pick-up head can
To be a fixed optical lens system or there is focusing and optical zoom capabilities.
Audio-frequency assembly 910 is configured to output and/or input audio signal.For example, audio-frequency assembly 910 includes a Mike
Wind (MIC), when device 900 is in operator scheme, such as call model, logging mode and speech recognition mode, mike is matched somebody with somebody
It is set to reception external audio signal.The audio signal for being received can be further stored in memorizer 904 or via communication set
Part 916 sends.In certain embodiments, audio-frequency assembly 910 also includes a speaker, for exports audio signal.
, for interface is provided between process assembly 902 and peripheral interface module, above-mentioned peripheral interface module can for I/O interfaces 912
To be keyboard, click wheel, button etc..These buttons may include but be not limited to：Home button, volume button, start button and lock
Determine button.
Sensor cluster 914 includes one or more sensors, and the state for various aspects are provided for device 900 is commented
Estimate.For example, sensor cluster 914 can detect the opening/closed mode of device 900, such as relative localization of component, component
For the display and keypad of device 900, sensor cluster 914 can be with the position of 900 1 components of detection means 900 or device
Change is put, user is presence or absence of with what device 900 was contacted, the temperature of 900 orientation of device or acceleration/deceleration and device 900
Change.Sensor cluster 914 can include proximity transducer, be configured to when not having any physical contact near detection
The presence of object.Sensor cluster 914 can also include optical sensor, such as CMOS or ccd image sensor, for answering in imaging
With used in.In certain embodiments, the sensor cluster 914 can also include acceleration transducer, gyro sensor, magnetic
Sensor, pressure transducer or temperature sensor.
Communication component 916 is configured to facilitate the communication of wired or wireless way between device 900 and other equipment.Device
900 can access the wireless network based on communication standard, such as WiFi, 2G or 3G, or combinations thereof.In an exemplary enforcement
In example, communication component 916 receives the broadcast singal or broadcast related information from external broadcasting management system via broadcast channel.
In one exemplary embodiment, communication component 916 also includes near-field communication (NFC) module, to promote junction service.For example,
RF identification (RFID) technology, Infrared Data Association (IrDA) technology, ultra broadband (UWB) technology, bluetooth can be based in NFC module
(BT) technology and other technologies are realizing.
In the exemplary embodiment, device 900 can be by one or more application specific integrated circuits (ASIC), numeral letter
Number processor (DSP), digital signal processing appts (DSPD), PLD (PLD), field programmable gate array
(FPGA), controller, microcontroller, microprocessor or other electronic components realizations, for performing the side of above-mentioned ultrasound wave calibration
Method.
In the exemplary embodiment, a kind of non-transitorycomputer readable storage medium including instruction, example are additionally provided
Such as include the memorizer 904 of instruction, above-mentioned instruction can be performed to complete said method by the processor 920 of device 900.For example,
Non-transitorycomputer readable storage medium can be ROM, random access memory (RAM), CD-ROM, tape, floppy disk and light
Data storage device etc..
In the exemplary embodiment, a kind of non-transitorycomputer readable storage medium is additionally provided, when in storage medium
Instruction by mobile terminal computing device when so that the method that mobile terminal is able to carry out the calibration of above-mentioned ultrasound wave.
Those skilled in the art will readily occur to its of the disclosure after considering description and putting into practice invention disclosed herein
Its embodiment.The application is intended to any modification, purposes or the adaptations of the disclosure, these modifications, purposes or
Person's adaptations follow the general principle of the disclosure and including the undocumented common knowledge in the art of the disclosure
Or conventional techniques.Description and embodiments are considered only as exemplary, and the true scope of the disclosure and spirit are by following
Claim is pointed out.
It should be appreciated that the disclosure is not limited to the precision architecture for being described above and being shown in the drawings, and
And various modifications and changes can be being carried out without departing from the scope.The scope of the present disclosure is limited only by appended claim.
Claims (11)
1. a kind of method that ultrasound wave is calibrated, it is characterised in that be applied to mobile device, methods described includes：
Ultrasound wave with specified intensity is sent under assigned work environment by the ultrasound transmitter device part of the mobile device
Signal；
The reflected signal of the ultrasonic signal is received by the ultrasonic receiver part of the mobile device；
According to the signal intensity of the reflected signal, specified threshold is calibrated, the specified threshold is the mobile device
Specified function ultrasound wave response lag.
2. method according to claim 1, it is characterised in that the signal intensity according to the reflected signal, to referring to
Determine threshold value and carry out calibration to include：
Obtain the difference between the signal intensity of the reflected signal and the specified threshold；
If the signal intensity of the reflected signal is more than the specified threshold, and the difference is more than default value, then by institute
State specified threshold and be adjusted to first threshold, the first threshold is more than the specified threshold；
If the signal intensity of the reflected signal is less than the specified threshold, and the difference is more than default value, then by institute
State specified threshold and be adjusted to Second Threshold, the Second Threshold is less than the specified threshold.
3. method according to claim 1, it is characterised in that methods described also includes：
Send super with specified intensity under at least two working environments by the ultrasound transmitter device part of the mobile device
Acoustic signals；
Ultrasonic signal under at least two working environment is received by the ultrasonic receiver part of the mobile device
Reflected signal；
According to the signal intensity of the reflected signal, carrying out calibration to specified threshold includes：
According to signal intensity and the assigned work of the reflected signal of the ultrasonic signal under at least two working environment
The signal intensity of the reflected signal under environment, calibrates to the specified threshold.
4. method according to claim 3, it is characterised in that the assigned work environment is the mobile device except setting
Standby bottom surface has beyond shelter, other position have no occluders；
At least two working environment includes：
The periphery have no occluder of the mobile device；
There is shelter at the predeterminable range of the mobile device.
5. the method according to any one of claims 1 to 3, it is characterised in that the specified threshold be used to indicating specifying away from
The minimum signal that reflected signal detected during the specified gesture operation corresponding to the specified function occurs in the range of is strong
Degree.
6. the device that a kind of ultrasound wave is calibrated, it is characterised in that described device includes：
Sending module, is specified for being sent to have by the ultrasound transmitter device part of the mobile device under assigned work environment
The ultrasonic signal of intensity；
Receiver module, receives the reflection letter of the ultrasonic signal for the ultrasonic receiver part by the mobile device
Number；
Calibration module, for the signal intensity according to the reflected signal, calibrates to specified threshold, and the specified threshold is
The ultrasound wave response lag of the specified function of the mobile device.
7. device according to claim 6, it is characterised in that the calibration module includes：
Acquisition submodule, for obtaining the difference between the signal intensity of the reflected signal and the specified threshold；
First adjustment submodule, if the signal intensity for the reflected signal is more than the specified threshold, and the difference
More than default value, then the specified threshold is adjusted to into first threshold, the first threshold is more than the specified threshold；
Second adjustment submodule, if the signal intensity for the reflected signal is less than the specified threshold, and the difference
More than default value, then the specified threshold is adjusted to into Second Threshold, the Second Threshold is less than the specified threshold.
8. device according to claim 6, it is characterised in that described device also includes：
The sending module, is additionally operable to issue at least two working environments by the ultrasound transmitter device part of the mobile device
Send the ultrasonic signal with specified intensity；
The receiver module, is additionally operable to receive at least two work by the ultrasonic receiver part of the mobile device
The reflected signal of the ultrasonic signal under environment；
The calibration module includes：
Calibration submodule, for the signal intensity of the reflected signal according to the ultrasonic signal under at least two working environment
With the signal intensity of the reflected signal under the assigned work environment, the specified threshold is calibrated.
9. device according to claim 8, it is characterised in that the assigned work environment is the mobile device except setting
Standby bottom surface has beyond shelter, other position have no occluders；
At least two working environment includes：
The periphery have no occluder of the mobile device；
There is shelter at the predeterminable range of the mobile device.
10. the device according to any one of claim 6 to 8, it is characterised in that the specified threshold be used to indicating specifying away from
The minimum signal that reflected signal detected during the specified gesture operation corresponding to the specified function occurs in the range of is strong
Degree.
11. a kind of devices of ultrasound wave calibration, it is characterised in that described device includes：
Processor；
For storing the memorizer of the executable instruction of processor；
Wherein, the processor is configured to：
Ultrasound wave with specified intensity is sent under assigned work environment by the ultrasound transmitter device part of the mobile device
Signal；
The reflected signal of the ultrasonic signal is received by the ultrasonic receiver part of the mobile device；
According to the signal intensity of the reflected signal, specified threshold is calibrated, the specified threshold is the mobile device
Specified function ultrasound wave response lag.
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| CN107991664A (en) * | 2017-11-30 | 2018-05-04 | 努比亚技术有限公司 | Calibration method, device and the computer-readable recording medium of ultrasonic wave threshold value |
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| CN108848254A (en) * | 2018-05-25 | 2018-11-20 | 维沃移动通信有限公司 | A kind of calibration method and system of proximity sensor |
| CN109171810A (en) * | 2018-09-21 | 2019-01-11 | 沈阳华龄智能科技产业有限公司 | A kind of nursing monitor system and method |
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| CN110535535B (en) * | 2019-07-31 | 2021-08-17 | Oppo广东移动通信有限公司 | Ultrasonic calibration method and device, mobile terminal and storage medium |
| CN113075292A (en) * | 2020-01-03 | 2021-07-06 | 广州汽车集团股份有限公司 | Method and device for measuring quality of automobile engine oil and storage medium |
| CN113075292B (en) * | 2020-01-03 | 2023-12-22 | 广州汽车集团股份有限公司 | Method and device for measuring quality of engine oil of automobile and storage medium |
| WO2022057476A1 (en) * | 2020-09-15 | 2022-03-24 | 华为技术有限公司 | Method for generating calibration signal, electronic device, and computer storage medium |
| CN115032619A (en) * | 2022-05-05 | 2022-09-09 | 岚图汽车科技有限公司 | Ultrasonic sensor threshold value calibration system and method |
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