WO2017107597A1 - Procédé, dispositif, terminal mobile et support de stockage d'étalonnage de sensibilité - Google Patents

Procédé, dispositif, terminal mobile et support de stockage d'étalonnage de sensibilité Download PDF

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Publication number
WO2017107597A1
WO2017107597A1 PCT/CN2016/099921 CN2016099921W WO2017107597A1 WO 2017107597 A1 WO2017107597 A1 WO 2017107597A1 CN 2016099921 W CN2016099921 W CN 2016099921W WO 2017107597 A1 WO2017107597 A1 WO 2017107597A1
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WIPO (PCT)
Prior art keywords
calibration
pressure
sensitivity
module
pressure signal
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PCT/CN2016/099921
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English (en)
Chinese (zh)
Inventor
鲍琦
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努比亚技术有限公司
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Publication of WO2017107597A1 publication Critical patent/WO2017107597A1/fr

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L25/00—Testing or calibrating of apparatus for measuring force, torque, work, mechanical power, or mechanical efficiency
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/725—Cordless telephones

Definitions

  • the present invention relates to mobile terminal technologies, and more particularly to a sensitivity calibration method and apparatus, and a mobile terminal and a storage medium.
  • terminals such as mobile phones, smart phones, notebook computers, PDAs (personal digital assistants), PADs (tablets), and PMPs (portable multimedia players) are increasingly used for pressure sensors.
  • PDAs personal digital assistants
  • PADs tablets
  • PMPs portable multimedia players
  • the technical problem to be solved by the embodiments of the present invention is to provide a sensitivity calibration method for the above-mentioned defects of the prior art, the method comprising:
  • the acquiring the first pressure signal detected by the pressure sensor comprises: recording a pressure signal of the area to be detected according to a preset number of times.
  • the pressure value corresponding to the first pressure signal is an average value of pressure values corresponding to a signal for recording a pressure of a region to be detected each time.
  • the preset condition includes: the calibration value satisfies the fluctuation range of the comparison threshold value being less than a predetermined range.
  • the method further includes: when the calibration value satisfies the preset condition, confirming that the pressure sensor is replaced and recalibrating.
  • the method further includes: performing filtering processing on the first pressure signal and the second pressure signal collected by the associated pressure sensor by using a windowed noise reduction algorithm.
  • the embodiment of the invention further provides a sensitivity calibration device, comprising:
  • a detecting module configured to acquire a first pressure signal and a second pressure signal detected by the pressure sensor
  • a calibration module configured to generate a calibration parameter by using the first pressure signal and a preset reference value calculation
  • the judging module is configured to confirm the consistency of the sensitivity of the pressure sensor when the pressure value generated by the second pressure signal satisfies a preset condition.
  • the detecting module includes:
  • a first detecting unit configured to detect a first pressure signal detected by the pressure sensor
  • a second detecting unit configured to detect a second pressure signal detected by the pressure sensor.
  • the determining module includes:
  • the calibration value judging unit is configured to calculate a corresponding calibration value according to the calibration parameter, and confirm the consistency of the pressure sensor sensitivity after the calibration when the calibration value satisfies the preset condition.
  • the calibration value determining unit is further configured to confirm that the pressure sensor is replaced and recalibrated when the calibration value satisfies the preset condition.
  • the preset condition includes: the calibration value is smaller than the predetermined range by the fluctuation threshold of the determination threshold.
  • the calibration value determining unit is further configured to perform filtering processing on the first pressure signal and the second pressure signal collected by the associated pressure sensor by using a windowed noise reduction algorithm.
  • the device further includes:
  • a processing module configured to convert the acquired pressure signal into a corresponding pressure value
  • the storage module is configured to store the pressure value generated by the first pressure signal and the calibration parameter generated by the reference value calculation.
  • An embodiment of the present invention further provides a sensitivity calibration apparatus, including: a memory and a processor; the memory stores executable instructions, and the executable instructions are used to cause the processor to perform the following operations:
  • the embodiment of the invention further provides a mobile terminal, including:
  • a detecting module configured to acquire a first pressure signal and a second pressure signal detected by the pressure sensor
  • a calibration module configured to generate a calibration parameter by using the first pressure signal and a preset reference value calculation
  • a judging module configured to confirm that the calibration value of the second pressure signal satisfies a preset condition The consistency of the sensitivity of the pressure sensor.
  • the determining module includes:
  • the calibration value judging unit is configured to calculate a corresponding calibration value according to the calibration parameter, and confirm the consistency of the pressure sensor sensitivity after calibration when the calibration value satisfies a preset condition.
  • the calibration value determining unit is further configured to confirm that the pressure sensor is replaced and recalibrated when the calibration value satisfies the preset condition.
  • the preset condition includes: the calibration value is smaller than the predetermined range by the fluctuation threshold of the determination threshold.
  • the calibration value determining unit is further configured to perform filtering processing on the first pressure signal and the second pressure signal collected by the associated pressure sensor by using a windowed noise reduction algorithm.
  • the device further includes:
  • a processing module configured to convert the acquired pressure signal into a corresponding pressure value
  • a storage module configured to store a calibration parameter generated based on the pressure value corresponding to the first pressure signal and the reference value.
  • the embodiment of the invention further provides a mobile terminal, including:
  • An input device configured to receive a user input operation to obtain a pressure deformation analog quantity, and convert the digital signal into a digital signal as a pressure value;
  • the processor includes: a driving module, an application framework module, and an application module;
  • the driving module is configured to acquire a digital signal generated by the detecting module, generate a pressure event, and report the pressure event to the application framework module;
  • the application framework module is configured to separately report the reported pressure event and report the recognition result to the application module;
  • the application module is configured to execute a corresponding command according to the identification result reported by the framework module according to the configuration.
  • the mobile terminal further includes:
  • control subsystem configured to perform pressure calibration by a pressure signal obtained by the input device
  • a communication layer configured to communicate between the control subsystem and the processor.
  • the pressure sensor is calibrated and the calibration parameters are controlled to solve the problem of inconsistency of the pressure sensor due to the processing technology and structural deformation during the production process.
  • the pressure sensitivity detection is performed according to the calibration parameter to determine whether the pressure sensor is Meet production requirements.
  • FIG. 1 is a schematic diagram showing the hardware structure of an optional mobile terminal for implementing various embodiments of the present invention
  • FIG. 2 is a schematic diagram of a wireless communication system of the mobile terminal shown in FIG. 1;
  • FIG. 3 is a flowchart of a sensitivity calibration method according to an embodiment of the present invention.
  • FIG. 4 is a schematic structural view of a pressure film according to an embodiment of the present invention.
  • FIG. 5 is a schematic diagram of a pressure sensing module provided by the embodiment.
  • FIG. 6 is a schematic diagram of a mobile terminal interface for collecting a first pressure signal according to an embodiment of the present invention
  • FIG. 7 is a flowchart of a sensitivity calibration method according to an embodiment of the present invention.
  • FIG. 8 is a schematic diagram of a mobile terminal interface for collecting a second pressure signal according to an embodiment of the present invention.
  • FIG. 9 is a block diagram showing the structure of a device for sensitivity calibration according to an embodiment of the present invention.
  • FIG. 10 is a block diagram showing the structure of a device for sensitivity calibration according to an embodiment of the present invention.
  • FIG. 11 is a schematic diagram of a software architecture of sensitivity calibration according to an embodiment of the present invention.
  • Fig. 12 is a schematic view showing the principle of inductive pressure sensing according to an embodiment of the present invention.
  • the mobile terminal can be implemented in various forms.
  • the terminal described in the present invention may include, for example, a mobile phone, a smart phone, a notebook computer, a digital broadcaster, a personal digital assistant (PDA), a tablet computer (PAD), a portable multimedia player (PMP), a navigation device, and the like.
  • Mobile terminals and fixed terminals such as digital TVs, desktop computers, and the like.
  • the terminal is a mobile terminal.
  • PDA personal digital assistant
  • PAD tablet computer
  • PMP portable multimedia player
  • a navigation device and the like.
  • Mobile terminals and fixed terminals such as digital TVs, desktop computers, and the like.
  • the terminal is a mobile terminal.
  • those skilled in the art will appreciate that configurations in accordance with embodiments of the present invention can be applied to fixed type terminals in addition to components that are specifically for mobile purposes.
  • FIG. 1 is a schematic diagram showing the hardware structure of an optional mobile terminal embodying various embodiments of the present invention.
  • the mobile terminal 100 may include a wireless communication unit 110, an audio/video (A/V) input unit 120, a user input unit 130, a sensing unit 140, an output unit 150, a memory 160, an interface unit 170, a controller 180, and a power supply unit 190. and many more.
  • Figure 1 illustrates a mobile terminal having various components, but it should be understood that not all illustrated components are required to be implemented. More or fewer components can be implemented instead. The elements of the mobile terminal will be described in detail below.
  • Wireless communication unit 110 typically includes one or more components that permit radio communication between mobile terminal 100 and a wireless communication system or network.
  • the wireless communication unit may include at least one of a broadcast receiving module 111, a mobile communication module 112, a wireless internet module 113, a short-range communication module 114, and a location information module 115.
  • the broadcast receiving module 111 receives a broadcast signal and/or broadcast associated information from an external broadcast management server via a broadcast channel.
  • the broadcast channel can include a satellite channel and/or a terrestrial channel.
  • the broadcast management server may be a server that generates and transmits a broadcast signal and/or broadcast associated information or a server that receives a previously generated broadcast signal and/or broadcast associated information and transmits it to the terminal.
  • Broadcast The signals may include TV broadcast signals, radio broadcast signals, data broadcast signals, and the like.
  • the broadcast signal may further include a broadcast signal combined with a TV or radio broadcast signal.
  • the broadcast associated information may also be provided via a mobile communication network, and in this case, the broadcast associated information may be received by the mobile communication module 112.
  • the broadcast signal may exist in various forms, for example, it may exist in the form of Digital Multimedia Broadcasting (DMB) Electronic Program Guide (EPG), Digital Video Broadcasting Handheld (DVB-H) Electronic Service Guide (ESG), and the like.
  • the broadcast receiving module 111 can receive a signal broadcast by using various types of broadcast systems.
  • the broadcast receiving module 111 can use forward link media (MediaFLO) by using, for example, multimedia broadcast-terrestrial (DMB-T), digital multimedia broadcast-satellite (DMB-S), digital video broadcast-handheld (DVB-H)
  • MediaFLO forward link media
  • the digital broadcasting system of the @) data broadcasting system, the terrestrial digital broadcasting integrated service (ISDB-T), and the like receives digital broadcasting.
  • the broadcast receiving module 111 can be constructed as various broadcast systems suitable for providing broadcast signals as well as the above-described digital broadcast system.
  • the broadcast signal and/or broadcast associated information received via the broadcast receiving module 111 may be stored in the memory 160 (or other type of storage
  • the mobile communication module 112 transmits the radio signals to and/or receives radio signals from at least one of a base station (e.g., an access point, a Node B, etc.), an external terminal, and a server.
  • a base station e.g., an access point, a Node B, etc.
  • Such radio signals may include voice call signals, video call signals, or various types of data transmitted and/or received in accordance with text and/or multimedia messages.
  • the wireless internet module 113 supports wireless internet access of the mobile terminal.
  • the module can be internally or externally coupled to the terminal.
  • the wireless Internet access technologies involved in the module may include wireless LAN (WLAN), wireless broadband (Wibro), global microwave interconnection access, high speed downlink packet access (Wimax), and high speed downlink packet access (HSDPA). and many more.
  • the short range communication module 114 is a module configured to support short range communication.
  • Some examples of short-range communication technologies include BluetoothTM, Radio Frequency Identification (RFID), Infrared Data Association (IrDA), Ultra Wide Band (UWB), ZigbeeTM, and the like.
  • the location information module 115 is a module configured to check or acquire location information of the mobile terminal.
  • a typical example of a location information module is the Global Positioning System (GPS).
  • GPS Global Positioning System
  • the GPS module 115 calculates distance information and accurate time information from three or more satellites and applies triangulation to the calculated information to accurately calculate three-dimensional current position information based on longitude, latitude, and altitude.
  • the method for calculating position and time information uses three satellites and corrects the calculated position and time information errors by using another satellite.
  • the GPS module 115 is capable of calculating speed information by continuously calculating current position information in real time.
  • the A/V input unit 120 is configured to receive an audio or video signal.
  • the A/V input unit 120 may include a camera 121 and a microphone 1220 that processes image data of still pictures or video obtained by the image capturing device in a video capturing mode or an image capturing mode.
  • the processed image frame can be displayed on the display module 151.
  • the image frames processed by the camera 121 may be stored in the memory 160 (or other storage medium) or transmitted via the wireless communication unit 110, and two or more cameras 1210 may be provided according to the configuration of the mobile terminal.
  • the microphone 122 can receive sound (audio data) via a microphone in an operation mode of a telephone call mode, a recording mode, a voice recognition mode, and the like, and can process such sound as audio data.
  • the processed audio (voice) data can be converted to a format output that can be transmitted to the mobile communication base station via the mobile communication module 112 in the case of a telephone call mode.
  • the microphone 122 can implement various types of noise cancellation (or suppression) algorithms to cancel (or suppress) noise or interference generated during the process of receiving and transmitting audio signals.
  • the user input unit 130 may generate key input data according to a command input by the user to control various operations of the mobile terminal.
  • the user input unit 130 allows the user to input various types of information, and may include a keyboard, a pot, a touch pad (eg, a touch sensitive component that detects changes in resistance, pressure, capacitance, etc. due to contact), a scroll wheel , rocker, etc.
  • a touch screen can be formed.
  • the sensing unit 140 detects a current state of the mobile terminal 100 (eg, an open or closed state of the mobile terminal 100), a location of the mobile terminal 100, and a user's contact with the mobile terminal 100 (ie, The presence or absence of a touch input, the orientation of the mobile terminal 100, the acceleration or deceleration movement and direction of the mobile terminal 100, and the like, and a command or signal for controlling the operation of the mobile terminal 100 are generated.
  • the sensing unit 140 can sense whether the slide type phone is turned on or off.
  • the sensing unit 140 can detect whether the power supply unit 190 provides power or whether the interface unit 170 is coupled to an external device.
  • Sensing unit 140 may include proximity sensor 1410 which will be described below in connection with a touch screen.
  • the interface unit 170 serves as an interface through which at least one external device can connect with the mobile terminal 100.
  • the external device may include a wired or wireless headset port, an external power (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device having an identification module, and an audio input/output. (I/O) port, video I/O port, headphone port, and more.
  • the identification module may be stored to verify various information used by the user using the mobile terminal 100 and may include a User Identification Module (UIM), a Customer Identification Module (SIM), a Universal Customer Identity Module (USIM), and the like.
  • the device having the identification module may take the form of a smart card, and thus the identification device may be connected to the mobile terminal 100 via a port or other connection device.
  • the interface unit 170 can be configured to receive input from an external device (eg, data information, power, etc.) and transmit the received input to one or more components within the mobile terminal 100 or can be used at the mobile terminal and external device Transfer data between.
  • the interface unit 170 may function as a path through which power is supplied from the base to the mobile terminal 100 or may be used as a transmission of various command signals allowing input from the base to the mobile terminal 100 The path to the terminal.
  • Various command signals or power input from the base can be used as signals for identifying whether the mobile terminal is accurately mounted on the base.
  • Output unit 150 is configured to provide an output signal (eg, an audio signal, a video signal, an alarm signal, a vibration signal, etc.) in a visual, audio, and/or tactile manner.
  • the output unit 150 may include a display module 151, an audio output module 152, an alarm module 153, and the like.
  • the display module 151 can display information processed in the mobile terminal 100. For example, when moving When the terminal 100 is in the phone call mode, the display module 151 can display a user interface (UI) or a graphical user interface (GUI) associated with a call or other communication (eg, text messaging, multimedia file download, etc.). When the mobile terminal 100 is in a video call mode or an image capture mode, the display module 151 may display a captured image and/or a received image, a UI or GUI showing a video or image and related functions, and the like.
  • UI user interface
  • GUI graphical user interface
  • the display module 151 can function as an input device and an output device.
  • the display module 151 may include at least one of a liquid crystal display (LCD), a thin film transistor LCD (TFT-LCD), an organic light emitting diode (OLED) display, a flexible display, a three-dimensional (3D) display, and the like.
  • LCD liquid crystal display
  • TFT-LCD thin film transistor LCD
  • OLED organic light emitting diode
  • a flexible display a three-dimensional (3D) display, and the like.
  • 3D three-dimensional
  • Some of these displays may be configured to be transparent to allow a user to view from the outside, which may be referred to as a transparent display, and a typical transparent display may be, for example, a transparent organic light emitting diode (TOLED) display or the like.
  • TOLED transparent organic light emitting diode
  • the mobile terminal 100 may include two or more display modules (or other display devices), for example, the mobile terminal may include an external display module (not shown) and an internal display module (not shown) .
  • the touch screen can be used to detect touch input pressure as well as touch input position and touch input area.
  • the audio output module 152 may convert audio data received by the wireless communication unit 110 or stored in the memory 160 when the mobile terminal is in a call signal receiving mode, a call mode, a recording mode, a voice recognition mode, a broadcast receiving mode, and the like.
  • the audio signal is output as sound.
  • the audio output module 152 can provide audio output (eg, call signal reception sound, message reception sound, etc.) associated with a particular function performed by the mobile terminal 100.
  • the audio output module 152 can include a speaker, a buzzer, and the like.
  • the alert module 153 can provide an output to notify the mobile terminal 100 of the occurrence of an event. Typical events may include call reception, message reception, key signal input, touch input, and the like. In addition to audio or video output, the alert module 153 can provide an output in a different manner to notify of the occurrence of an event. For example, the alarm module 153 can provide an output in the form of vibration when receiving a call When called, a message, or some other incoming communication, the alert module 153 can provide a tactile output (ie, vibration) to notify the user of it. By providing such a tactile output, the user is able to recognize the occurrence of various events even when the user's mobile phone is in the user's pocket. The alarm module 153 can also provide an output of the notification event occurrence via the display module 151 or the audio output module 152.
  • the memory 160 may store a software program or the like that performs processing and control operations performed by the controller 180, or may temporarily store data (for example, a phone book, a message, a still image, a video, and the like) that has been output or is to be output. Moreover, the memory 160 can store data regarding vibrations and audio signals of various manners that are output when a touch is applied to the touch screen.
  • the memory 160 may include at least one type of storage medium including a flash memory, a hard disk, a multimedia card, a card type memory (eg, SD or DX memory, etc.), a random access memory (RAM), a static random access memory ( SRAM), read only memory (ROM), electrically erasable programmable read only memory (EEPROM), programmable read only memory (PROM), magnetic memory, magnetic disk, optical disk, and the like.
  • the mobile terminal 100 can cooperate with a network storage device that performs a storage function of the memory 160 through a network connection.
  • the controller 180 typically controls the overall operation of the mobile terminal. For example, the controller 180 performs the control and processing associated with voice calls, data communications, video calls, and the like. Additionally, the controller 180 can include a multimedia module 1810 configured to render (or play back) multimedia data, the multimedia module 1810 can be constructed within the controller 180, or can be configured to be separate from the controller 180. The controller 180 may perform a pattern recognition process to recognize a handwriting input or a picture drawing input performed on the touch screen as a character or an image.
  • the power supply unit 190 receives external power or internal power under the control of the controller 180 and provides appropriate power required to operate the various components and components.
  • the various embodiments described herein can be implemented in a computer readable medium using, for example, computer software, hardware, or any combination thereof.
  • the embodiments described herein can Through the use of application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable gate arrays (FPGAs), processors, controllers, micro
  • ASICs application specific integrated circuits
  • DSPs digital signal processors
  • DSPDs digital signal processing devices
  • PLDs programmable logic devices
  • FPGAs field programmable gate arrays
  • processors controllers
  • controller the microprocessor
  • implementations such as procedures or functions may be implemented with separate software modules that permit the execution of at least one function or operation.
  • the software code can be implemented by a software application (or program) written in any suitable programming language, which
  • the mobile terminal has been described in terms of its function.
  • a slide type mobile terminal among various types of mobile terminals such as a folding type, a bar type, a swing type, a slide type mobile terminal, and the like will be described as an example. Therefore, the present invention can be applied to any type of mobile terminal, and is not limited to a slide type mobile terminal.
  • the mobile terminal 100 as shown in FIG. 1 may be configured to operate using a communication system such as a wired and wireless communication system and a satellite-based communication system that transmits data via frames or packets.
  • a communication system such as a wired and wireless communication system and a satellite-based communication system that transmits data via frames or packets.
  • Such communication systems may use different air interfaces and/or physical layers.
  • air interfaces used by communication systems include, for example, Frequency Division Multiple Access (FDMA), Time Division Multiple Access (TDMA), Code Division Multiple Access (CDMA), and Universal Mobile Telecommunications System (UMTS) (in particular, Long Term Evolution (LTE)). ), Global System for Mobile Communications (GSM), etc.
  • FDMA Frequency Division Multiple Access
  • TDMA Time Division Multiple Access
  • CDMA Code Division Multiple Access
  • UMTS Universal Mobile Telecommunications System
  • LTE Long Term Evolution
  • GSM Global System for Mobile Communications
  • the following description relates to a CDMA communication system, but such teachings are equally applicable to other types of systems.
  • a CDMA wireless communication system can include a plurality of mobile terminals 100, a plurality of base stations (BS) 270, a base station controller (BSC) 275, and a mobile switching center (MSC) 280.
  • the MSC 280 is configured to interface with a public switched telephone network (PSTN) 290.
  • PSTN public switched telephone network
  • the MSC 280 is also configured to interface with a BSC 275 that can be coupled to the base station 270 via a backhaul line.
  • the backhaul line can be constructed in accordance with any of a number of known interfaces including, for example, E1/T1, ATM, IP, PPP, Frame Relay, HDSL, ADSL or xDSL. It will be appreciated that the system as shown in FIG. 2 may include multiple BSC 2750s.
  • Each BS 270 can serve one or more partitions (or regions), each of which is covered by a multi-directional antenna or an antenna directed to a particular direction radially away from the BS 270. Alternatively, each partition may be covered by two or more antennas for diversity reception. Each BS 270 can be configured to support multiple frequency allocations, and each frequency allocation has a particular frequency spectrum (eg, 1.25 MHz, 5 MHz, etc.).
  • BS 270 may also be referred to as a Base Transceiver Subsystem (BTS) or other equivalent terminology.
  • BTS Base Transceiver Subsystem
  • the term base station can be used to generally refer to a single BSC 275 and at least one BS 270.
  • a base station can also be referred to as a cellular station.
  • each partition of a particular BS 270 may be referred to as a plurality of cellular stations.
  • a broadcast transmitter (BT) 295 transmits a broadcast signal to the mobile terminal 100 operating within the system.
  • a broadcast receiving module 111 as shown in FIG. 1 is provided at the mobile terminal 100 to receive a broadcast signal transmitted by the BT 295.
  • GPS Global Positioning System
  • the satellite 300 helps locate at least one of the plurality of mobile terminals 100.
  • a plurality of satellites 300 are depicted, but it is understood that useful positioning information can be obtained using any number of satellites.
  • the GPS module 115 as shown in Figure 1 is typically configured to cooperate with the satellite 300 to obtain desired positioning information. Instead of GPS tracking technology or in addition to GPS tracking technology, other techniques that can track the location of the mobile terminal can be used. Additionally, at least one GPS satellite 300 can selectively or additionally process satellite DMB transmissions.
  • BS 270 receives reverse link signals from various mobile terminals 100.
  • Mobile terminal 100 typically participates in calls, messaging, and other types of communications.
  • Each reverse link signal received by a particular base station 270 is processed within a particular BS 270.
  • the obtained data is forwarded to the relevant BSC 275.
  • the BSC provides call resource allocation and coordinated mobility management functions including a soft handoff procedure between the BSs 270.
  • the BSC 275 also routes the received data to the MSC 280, which provides additional routing services for interfacing with the PSTN 290.
  • the PSTN 290 interfaces with the MSC 280, which forms an interface with the BSC 275, and the BSC 275 controls the BS 270 accordingly to transmit forward link signals to the mobile terminal 100.
  • the network access method of the present invention accesses the wireless network and the mobile network in parallel after acquiring the wireless network signal and the mobile network signal, that is, simultaneously using the wireless network and the mobile network to access the Internet.
  • wireless networks such as WIFI networks, mobile networks such as 2G/3G/4G networks.
  • the present invention simultaneously uses the wireless network and the mobile network to access the Internet, so that the Internet access method is more flexible, and can meet the diverse Internet access needs of users. Broaden network bandwidth and enhance users' online experience.
  • a sensitivity calibration method includes:
  • the pressure sensor may be disposed on the side of the casing of the mobile terminal, on the side of the screen, or on the back of the mobile terminal, etc., and the detection area of the present invention is not limited.
  • 4 is a schematic structural view of a pressure film according to an embodiment of the present invention.
  • the A layer 41 is a panel of metal, glass, or plastic material
  • the B layer 42 is a double-sided tape
  • the C layer 43 is a pressure sensing module.
  • the pressure sensing module pressure sensor
  • the pressure sensing module thus generates a voltage signal (pressure signal).
  • the metal substrate 51 to which the pressure sensitive film is attached is disposed on the back support member 52, the metal substrate 51 is connected to the FPGA module 54, and the metal substrate 51 is provided with buttons. Center 53.
  • the steps of the sensitivity calibration method are described by taking a pressure button as an example.
  • the first trigger signal is used to generate a calibration parameter.
  • FIG. 6 a schematic diagram of a mobile terminal interface for collecting a first pressure signal according to an embodiment of the present invention.
  • the pressure sensor includes a detection module, an identification module, and an output module.
  • the module is first detected, and the physical quantity caused by the pressure is sensed, and an analog signal is generated. After the analog signal is amplified by the amplifier, the analog-digital is converted into a digital signal as a pressure value and output.
  • the pressure sensor generates a first pressure value from the first signal, a second pressure value from the second signal, and a third pressure value from the third signal.
  • the average value of the signal pressure value generated by continuously triggering N times is used as the pressure value of the first pressure signal, which is recorded as Calibration parameter Where k 0 is a preset reference value and the calibration parameters are saved.
  • the second pressure signal is used to detect the sensitivity of the pressure sensor.
  • FIG. 8 a schematic diagram of a mobile terminal interface for collecting a second pressure signal is provided in an embodiment of the present invention.
  • the pressure sensor includes a detection module, an identification module, and an output module.
  • the module is first detected, and the physical quantity caused by the pressure is sensed, and an analog signal is generated. After the analog signal is amplified by the amplifier, the analog-digital is converted into a digital signal as a pressure value and output.
  • the windowed noise reduction algorithm can also be used to filter the signal output by the pressure sensor.
  • FIG. 7 another embodiment of the sensitivity calibration method of the present invention.
  • This embodiment uses a pressure button as an example to expand the description.
  • the method includes:
  • the pressure sensor may be disposed on the side of the casing of the mobile terminal, on the side of the screen, or on the back of the mobile terminal, and the like.
  • the present invention does not limit the detection area.
  • the pressure button is taken as an example to illustrate the sensitivity calibration method. step.
  • the first trigger signal is used to generate a calibration parameter.
  • FIG. 6 a schematic diagram of a mobile terminal interface for collecting a first pressure signal according to an embodiment of the present invention.
  • the pressure sensor comprises a detection module, an identification module and an output module.
  • the module is first detected, the physical quantity caused by the pressure is sensed, and an analog signal is generated. After the analog signal is amplified by the amplifier, the analog to digital signal is converted into a digital signal as a pressure value and output.
  • the pressure sensor generates a first pressure value from the first signal, a second pressure value from the second signal, and a third pressure value from the third signal.
  • the average value of the signal pressure value generated by continuously triggering N times is used as the pressure value of the first pressure signal, which is recorded as Calibration parameter Where k 0 is a preset reference value and the calibration parameters are saved.
  • the second pressure signal is used to detect the sensitivity of the pressure sensor.
  • the pressure sensor comprises a detection module, an identification module and an output module.
  • the module is first detected, the physical quantity caused by the pressure is sensed, and an analog signal is generated. After the analog signal is amplified by the amplifier, the analog to digital signal is converted into a digital signal as a pressure value and output.
  • the pressure sensor may be disposed on a side of the casing of the mobile terminal, on the side of the screen, or on the back of the mobile terminal, etc.
  • the sensing area of the pressure sensor includes a first sensing area, a second sensing area, and In the three sensing regions, the first sensing region, the second sensing region, and the third sensing region are sequentially disposed adjacent to each other, and when a pressure signal is acquired, a pressure value of each sensing region is acquired.
  • the first sensing area is configured to detect a first pressure value of the sensor to detect whether the first sensing area is pressed; and the second sensing area is configured to detect a second pressure value of the sensor to Detecting whether the second sensing area is pressed; the third sensing area is configured to detect a third pressure value of the sensor to detect whether the third sensing area is pressed.
  • the button of the sensing area is pressed.
  • the mobile terminal adjusts the volume through the speaker; if the mobile terminal is turned on, the “volume-” and “power button” buttons simultaneously When it is recognized that it is pressed, the mobile terminal performs a full screen screen capture operation.
  • the embodiment of the invention firstly calibrates and detects the pressure sensor, and when the sensitivity meets the preset condition, the button recognition is performed according to the pressure value of the different sensing area, thereby greatly improving the accuracy of the button recognition based on the pressure sensor, and improving the user.
  • the button recognition is performed according to the pressure value of the different sensing area, thereby greatly improving the accuracy of the button recognition based on the pressure sensor, and improving the user.
  • the sensitivity calibration apparatus of the embodiment of the present invention includes: an acquisition module 11, a calibration module 12, and a determination module 13, wherein
  • the obtaining module 11 is configured to acquire the first pressure signal and the second pressure signal.
  • the first trigger signal is used to generate a calibration parameter
  • the second pressure signal is used to detect the sensitivity of the pressure sensor.
  • the calibration module 12 is configured to generate a calibration parameter by calculating a pressure value generated by the first pressure signal and a reference value.
  • the pressure sensor includes a detection module, an identification module, and an output module.
  • the module is first detected, and the physical quantity caused by the pressure is sensed to generate an analog signal.
  • the analog to digital signal is converted into a digital signal and output.
  • the first signal produces a first pressure value
  • the second signal produces a second pressure value
  • the third signal produces a third pressure value.
  • the average value of the signal pressure value generated by continuously triggering N times is used as the pressure value of the first pressure signal, which is recorded as Calibration parameter Where k 0 is a preset reference value and the calibration parameters are saved.
  • the determining module 13 is configured to confirm the accuracy of the sensitivity of the pressure sensor when the pressure value generated by the second pressure signal satisfies a preset condition.
  • the sensitivity calibration apparatus of the embodiment of the present invention further includes: an acquisition module 11, a calibration module 12, a determination module 13, a first acquisition unit 110, a second acquisition unit 111, a calibration value determination unit 130, a processing module 14, and a storage module 15, wherein ,
  • the first obtaining unit 110 is configured to acquire a first pressure signal detected by the set pressure sensor.
  • the first trigger signal is used to generate a calibration parameter
  • the second obtaining unit 111 is configured to acquire a second pressure signal detected by the set pressure sensor.
  • the second pressure signal is used to detect the sensitivity of the pressure sensor.
  • the calibration value judging unit 130 is configured to calculate a calibration value under the corresponding pressure value according to the calibration parameter, and confirm the accuracy of the pressure sensor sensitivity when the calibration value satisfies the preset condition.
  • the processing module 14 is configured to convert the acquired pressure signal into a corresponding pressure value.
  • the pressure sensor senses the physical quantity caused by the pressure, generates an analog signal, and simulates After the pseudo signal is amplified by the amplifier, the analog to digital signal is converted into a digital signal as a pressure value and output.
  • the storage module 15 is configured to store the pressure value generated by the first pressure signal and the calibration parameter generated by the reference value calculation.
  • the reference value k 0 is a standard value of the calibration sensitivity preset according to the production requirement
  • the calibration parameter ⁇ is used to control the consistency of the production process
  • the generated calibration parameter is implemented in a calibration APK
  • the saved calibration parameter is used for The pressure calibration value generated by a pressure signal is calculated for subsequent detection sensitivity.
  • the software architecture of the sensitivity calibration of the embodiment of the present invention includes: physical hardware 101, drive layer 102, and application layer 103.
  • the physical hardware layer 101 is configured to acquire a pressure signal, sense a physical quantity caused by the pressure, generate an analog signal, and after the analog signal is amplified by the amplifier, the analog to digital signal is converted into a digital signal, and the physical hardware 101 transmits the physical touch converted electrical signal as a touch event to the driving layer. 102.
  • the driver layer 102 parses the event to obtain parameters such as a touch location, a touch force, and a time, and uploads the parameter to the application layer 103.
  • the communication between the driver layer 102 and the application layer 103 can be implemented through a corresponding interface.
  • the application layer 103 executes different touch operation instructions according to different touch operations.
  • the application layer 103 includes an APK configured to generate a calibration parameter according to the first pressure signal and the reference value, and save the calibration parameter.
  • the physical hardware 101 includes a pressure touch module, and the pressure touch module acquires a first pressure signal, and the first trigger signal is used to generate calibration parameters, and the process is performed at the application layer 103.
  • the implementation in the APK stores the generated calibration parameters in the Flash of the MCU of the pressure touch module.
  • the pressure touch module acquires a second pressure signal, and the second pressure signal is used to detect the sensitivity of the pressure sensor, and according to the calibration parameter, the calibration value under the corresponding pressure value is calculated, and the calibration value of each pressure signal is When the preset condition is satisfied (for example, the threshold value is ⁇ 30%), the accuracy of the sensitivity of the pressure sensor is confirmed. If the preset conditions are not met, replace the pressure sensing module and recalibrate.
  • FIG. 12 is a schematic diagram of the principle of inductive pressure sensing according to an embodiment of the present invention.
  • the inductive pressure sensor of the embodiment of the invention includes an inductive sensor 20, a processing chip 30 and a microprocessor 40. There is a preset distance between the inductive sensor 20 and the object 10 to be measured.
  • Inductor sensor 20 includes an inductor and a capacitor. The inductor resonates with the capacitor, and the processing chip 30 detects the resonant frequency and quality factor.
  • the processing chip 30 detects the resonant frequency and quality factor.
  • the processing chip 30 is highly accurate, for example, 28 bits. Therefore, when there is a slight change in the distance between the object 10 and the inductance (pressed), it can be sensed. Moreover, since the distance between the measured object 10 and the inductor is mathematically proportional to the magnitude of the inductance, the magnitude of the pressure is also mathematically proportional to the amount of change in inductance. Thereby, the magnitude of the pressure can be obtained according to the pitch.
  • the processing chip 30 includes an A/D conversion module 31 and a processing module 32.
  • the A/D conversion module 31 is configured to convert the amount of inductance change caused by the pressing into a digital amount
  • the processing module 32 is configured to convert the digital quantity into a transmission format of the I2C bus and transmit it to the microprocessor 40.
  • the microprocessor 40 is configured to obtain the magnitude of the pressure value based on the amount of change in inductance.
  • the pressure value is transmitted to the processor 50 of the mobile terminal via the I2C bus.
  • the processor 50 generates an operation instruction based on the pressure value, and implements a function corresponding to the pressing operation by executing the operation instruction.
  • the steps of the method or method described in connection with the embodiments disclosed herein may be in hardware, The software module executed by the processor, or a combination of the two, is implemented.
  • the software module can be placed in random access memory (RAM), internal memory, read only memory (ROM), electrically programmable ROM, electrically erasable programmable ROM, registers, hard disk, removable disk, CD-ROM, or any other form of In the storage medium.
  • the present invention provides a sensitivity calibration method and apparatus, and a mobile terminal and a storage medium.
  • the method includes: acquiring a first pressure signal; generating a calibration parameter by using the first pressure signal and a preset reference value; and acquiring a second pressure signal; A calibration value of the second pressure signal pressure is calculated according to the calibration parameter, and when the calibration value satisfies the preset condition, the consistency of the pressure sensor sensitivity is confirmed.
  • the beneficial effects of the invention are that the pressure sensor is calibrated and the calibration parameters are controlled, and the problem of inconsistency of the pressure sensor due to the processing technology and structural deformation during the production process is solved; secondly, the sensitivity detection is performed according to the calibration parameter, Determine if the pressure sensor meets the production requirements.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Telephone Function (AREA)

Abstract

La présente invention concerne un procédé d'étalonnage de sensibilité qui comprend : l'acquisition d'un premier signal de pression (S11) ; la réalisation d'un calcul et la génération d'un paramètre d'étalonnage en fonction du premier signal de pression et d'une valeur de référence prédéfinie (S12) ; l'acquisition d'un second signal de pression (S13) ; le calcul d'une valeur d'étalonnage de pression du second signal de pression en fonction du paramètre d'étalonnage, et, si la valeur d'étalonnage satisfait à une condition prédéfinie, la détermination de la constance d'une sensibilité de capteur de pression (S14). La présente invention concerne également un dispositif, un terminal mobile et un support de stockage d'étalonnage de sensibilité.
PCT/CN2016/099921 2015-12-23 2016-09-23 Procédé, dispositif, terminal mobile et support de stockage d'étalonnage de sensibilité WO2017107597A1 (fr)

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