WO2013167009A2 - Procédé et appareil de verrouillage par détection pour un écran tactile - Google Patents

Procédé et appareil de verrouillage par détection pour un écran tactile Download PDF

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Publication number
WO2013167009A2
WO2013167009A2 PCT/CN2013/078061 CN2013078061W WO2013167009A2 WO 2013167009 A2 WO2013167009 A2 WO 2013167009A2 CN 2013078061 W CN2013078061 W CN 2013078061W WO 2013167009 A2 WO2013167009 A2 WO 2013167009A2
Authority
WO
WIPO (PCT)
Prior art keywords
touch screen
face
close
detected
terminal
Prior art date
Application number
PCT/CN2013/078061
Other languages
English (en)
Chinese (zh)
Other versions
WO2013167009A3 (fr
Inventor
马焦栋
张宇
Original Assignee
中兴通讯股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Publication of WO2013167009A2 publication Critical patent/WO2013167009A2/fr
Publication of WO2013167009A3 publication Critical patent/WO2013167009A3/fr

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/0416—Control or interface arrangements specially adapted for digitisers

Definitions

  • the present invention relates to the field of touch screen sensing, and in particular to a method and device for inductive lock screen of a touch screen. Background technique
  • touch screen technology has greatly improved the ease of use of communication terminals.
  • advantages of capacitive touch screen technology are obvious, but capacitive touch screens can also cause some inconvenience and problems to users in some scenarios. For example, during a call, if the screen is not locked, when the face touches the touch screen, it may cause a misoperation. Inconvenience caused by the user.
  • Implementing the lock screen function in a certain application scenario can solve the user's troubles and enhance the user experience.
  • the light proximity sensor In the current communication terminal, the light proximity sensor is generally used to realize the lock screen when approaching the face during the call, so as to avoid misoperation. But this increases the cost of the device, takes up more internal space and increases the power consumption on the terminal. At the same time, the light proximity sensor still needs to be calibrated, and the person who has a darker skin color is ineffective, and if the hair is in contact, the hair will be ineffective. Summary of the invention
  • the main purpose of the technical solution of the present invention is to provide an inductive lock screen method for a terminal touch screen, which aims to reduce the cost of the terminal and improve the accuracy of the sensing.
  • An inductive lock screen method for a terminal touch screen comprising:
  • detecting the state of the touch screen includes: detecting a change in the capacitance value of the touch screen when the preset event is triggered.
  • determining whether the touch screen is close to the face comprises:
  • the detecting the state of the touch screen when the preset event is triggered further includes: detecting a moving direction and a moving distance of the terminal when detecting the trigger of the preset event.
  • determining whether the touch screen is close to the face comprises:
  • An inductive lock screen device for a terminal touch screen comprising:
  • the state detecting module is configured to detect a state of the touch screen when the preset event is triggered; and the control module is configured to determine whether the touch screen is close to the face according to the detected state of the touch screen; if yes, control the touch screen to perform a lock screen.
  • the state detecting module includes a capacitance detecting unit configured to: detect a change in a capacitance value of the touch screen when a preset event trigger is detected.
  • the control module is configured to:
  • the state detecting module further includes a motion detecting unit configured to: detect a moving direction and a moving distance of the terminal when the preset event is triggered.
  • the control module is configured to:
  • the invention determines whether the touch screen is close to the face through the change of the capacitance value of the touch screen, which not only improves the accuracy of the detection, but also reduces the cost of the terminal and reduces the resource consumption.
  • FIG. 1 is a schematic flow chart of an embodiment of a method for sensing a lock screen of a touch screen of a terminal of the present invention
  • FIG. 2 is a schematic flowchart of another embodiment of a method for sensing a lock screen of a touch screen of the present invention
  • FIG. 4 is a schematic structural diagram of another embodiment of an inductive lock screen device of a touch screen of the present invention.
  • the present invention provides a method for sensing a lock screen of a touch screen of a terminal, comprising: detecting a state of the touch screen when a preset event is triggered; determining whether the touch screen is close to the face according to the detected state of the touch screen; if yes, controlling The touch screen is used to lock the screen.
  • the touch screen is close to the face by determining a change in the capacitance value of the touch screen. That is to say, the characteristics of the capacitive touch screen:
  • the capacitive touch screen is composed of a small capacitive element arrangement.
  • the initial capacitance value of the capacitive element is C0, when the object is connected
  • the power line distribution of the capacitive touch screen capacitor element will be affected, thereby affecting the capacitance value of the touch screen.
  • the closer the object is to the touch screen the denser the power line distribution of the capacitor element; the farther the object is from the touch screen, the more dispersed the power line distribution of the capacitor element.
  • the face Due to the difference in structure between the part and the finger, the face is flatter and larger in area than the finger, so the area where the capacitance of the face approaches the touch screen increases, and the area where the capacitance increases when the finger approaches the touch screen is larger. Moreover, the contact area of the finger is small, and the shape of the capacitor element in which the capacitance value changes is also fixed, and the capacitance values of the other capacitor elements around the capacitance value of the capacitor element opposite to the finger are largely different.
  • the present invention provides an embodiment of an inductive lock screen method for a touch screen of a terminal, comprising the following steps:
  • Step S110 detecting a change of the capacitance value of the touch screen when detecting the triggering of the preset event
  • Step S120 determining, according to the detected change in the capacitance value of the touch screen, whether the touch screen is close to the face; if yes, proceeding to step S130; otherwise, ending the process;
  • Step S130 Control the touch screen to perform a lock screen.
  • the preset event may be set by default by the terminal, or may be set by the user according to a specific situation.
  • the preset event is an incoming call or an outgoing call instruction. That is, after detecting an incoming call or a power-off command, the capacitance value of the touch screen is detected to change. And determining whether the touch screen is close to the face according to the state of the touch screen.
  • determining whether the area of the area where the capacitance value changes is greater than a preset threshold, and determining whether the touch screen is close to the face, otherwise determining that the touch screen is not close to the face; In an example, it is determined whether the capacitance value is increased and the amount of the increase is greater than a preset threshold, and then the touch screen is determined to be close to the face, otherwise the touch screen is determined not to be close to the face.
  • the above two methods of judging may be judged one by one, or may be judged comprehensively.
  • a control command is generated to control the touch screen to perform a lock screen operation.
  • the lock screen operation can be to turn off the response to the touch screen, to avoid false triggering after the face is touched, and to turn off the LCD to reduce power consumption.
  • the change of the touch screen capacitance value is still detected, if according to the touch
  • the touch screen capacitance value changes, and it is judged that the touch screen is not close to the face, the lock screen is ended.
  • the embodiment of the invention determines whether the touch screen is close to the face through the change of the capacitance value of the touch screen, which not only improves the accuracy of the detection, but also reduces the cost of the terminal and reduces resource consumption.
  • the terminal Since during the process of using the terminal, when a preset event trigger is received, the terminal will first be moved to the face position, and then the touch screen will approach the face. Therefore, when judging whether the touch screen is close to the face, it can be judged by detecting the change of the capacitance value of the touch screen and detecting the motion of the terminal, thereby synthesizing the two detection results to make the judgment more accurate.
  • the method for sensing the lock screen of the touch screen of the terminal comprises the following steps:
  • Step S210 When detecting a preset event triggering, detecting a moving direction and a moving distance of the terminal; and detecting a change in a capacitance value of the touch screen;
  • Step S220 comprehensively determining whether the touch screen is close to the face according to the change of the capacitance value of the touch screen and the moving direction and the moving distance of the terminal; if yes, proceeding to step S230; otherwise, ending the process;
  • Step S230 Control the touch screen to perform a lock screen.
  • An acceleration sensor is disposed in the terminal, and when the detection function is turned on, the moving direction and the moving distance of the terminal can be detected. Or the detection function is automatically turned on when the preset event is triggered.
  • the detection function is automatically turned on when the preset event is triggered.
  • the motion data of the terminal acquired by the acceleration sensor it is possible to obtain whether the terminal moves and its moving direction. Then, the time of the motion is integrated to obtain the moving distance S of the entire motion process. If it is detected that the face is approaching, it is confirmed that the terminal has an upward movement when the preset event is triggered, and if the final effective distance is moved upward by more than 3 cm within 10 seconds, it is judged that the touch screen is close to the face, and otherwise the touch screen is not approached. Face.
  • the lock screen After the lock screen is controlled, the change of the touch screen capacitance value and the moving direction and the moving distance of the terminal are still detected, and when the touch screen is not close to the face according to the change of the touch screen capacitance value and the moving direction and the moving distance of the terminal, the lock screen is ended. For example, if it is confirmed that the terminal has a downward movement while detecting the departure of the face, and the moving effective distance is moved downward by 1 cm or more, then it is judged The touch screen is not close to the face, and the lock screen is ended.
  • whether the touch screen is close to the face is determined by the change of the capacitance value of the touch screen and the motion of the terminal, thereby further improving the accuracy of the detection.
  • the inductive lock screen device of the terminal touch screen of this embodiment includes:
  • the state detecting module 110 is configured to detect a state of the touch screen when the preset event is triggered, and the control module 120 is configured to determine, according to the detected state of the touch screen, whether the touch screen is close to the face; if yes, control the touch screen to perform a lock screen .
  • the preset event may be set by default by the terminal, or may be set by the user according to a specific situation.
  • the preset event is an incoming call or an outgoing call instruction.
  • the state detecting module 110 includes a capacitance detecting unit 110, configured to detect a change in the capacitance value of the touch screen after detecting an incoming call or a power-off command. And determining whether the touch screen is close to the face according to the state of the touch screen.
  • determining whether the area of the area where the capacitance value changes is greater than a preset threshold, and determining whether the touch screen is close to the face, otherwise determining that the touch screen is not close to the face; In an example, it is determined whether the capacitance value is increased and the amount of the increase is greater than a preset threshold, and then the touch screen is determined to be close to the face, otherwise the touch screen is determined not to be close to the face.
  • the above two judgment methods may be judged one by one, or may be comprehensively judged.
  • a control command is generated to control the touch screen to perform a lock screen operation.
  • the lock screen operation can be to turn off the response to the touch screen, to avoid false triggering after the face is touched, and to also extinguish the LCD to reduce power consumption.
  • the embodiment of the invention determines whether the touch screen is close to the face through the change of the capacitance value of the touch screen, which not only improves the accuracy of the detection, but also reduces the cost of the terminal and reduces resource consumption.
  • the state detecting module 110 in this embodiment includes not only the capacitance detecting unit 111 but also the motion detecting unit 112. Therefore, it is possible to determine whether the touch screen is close to the face by detecting a change in the capacitance value of the touch screen and detecting the motion of the terminal, thereby integrating the two detections. The result is judged to make the judgment more precise.
  • the motion detecting unit 112 may be an acceleration sensor disposed on the terminal, and the motion data of the terminal acquired by the acceleration sensor may obtain whether the terminal moves and its moving direction. Then, the time of the motion is integrated to obtain the moving distance S of the entire motion process.
  • the lock screen After the lock screen is controlled, the change of the touch screen capacitance value and the moving direction and the moving distance of the terminal are still detected, and when the touch screen is not close to the face according to the change of the touch screen capacitance value and the moving direction and the moving distance of the terminal, the lock screen is ended. For example, if it is confirmed that the terminal has a downward movement while detecting that the face is away, and the moving effective distance is moved downward by 1 cm or more, it is judged that the touch screen is not close to the face, and the lock screen is ended.
  • whether the touch screen is close to the face is determined by the change of the capacitance value of the touch screen and the motion of the terminal, thereby further improving the accuracy of the detection.
  • the method and device for sensing the lock screen of the touch screen of the present invention detect the state of the touch screen when detecting the trigger of the preset event; determining whether the touch screen is close to the face according to the detected state of the touch screen; if yes, controlling the touch screen Lock screen.
  • the invention judges whether the touch screen is close to the face through the change of the capacitance value of the touch screen, which not only improves the accuracy of the detection, but also reduces the cost of the terminal and reduces the resource consumption.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Position Input By Displaying (AREA)
  • Telephone Function (AREA)
  • User Interface Of Digital Computer (AREA)

Abstract

L'invention concerne un procédé et un appareil de verrouillage par détection d'un écran tactile de terminal. Le procédé comprend les étapes suivantes : en cas de détection du déclenchement d'un événement prédéfini, détecter l'état d'un écran tactile ; déterminer si l'écran tactile est à proximité d'un visage selon l'état détecté de l'écran tactile ; et si tel est le cas, commander à l'écran tactile de verrouiller l'écran. La présente invention permet de déterminer si l'écran tactile se trouve à proximité du visage en fonction du changement d'une valeur de capacité de l'écran tactile, ce qui permet d'améliorer la précision de la détection, de réduire le coût du terminal et de diminuer la consommation de ressources.
PCT/CN2013/078061 2013-01-23 2013-06-26 Procédé et appareil de verrouillage par détection pour un écran tactile WO2013167009A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201310027294.2A CN103941994A (zh) 2013-01-23 2013-01-23 触摸屏的感应锁屏方法及装置
CN201310027294.2 2013-01-23

Publications (2)

Publication Number Publication Date
WO2013167009A2 true WO2013167009A2 (fr) 2013-11-14
WO2013167009A3 WO2013167009A3 (fr) 2014-01-09

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Application Number Title Priority Date Filing Date
PCT/CN2013/078061 WO2013167009A2 (fr) 2013-01-23 2013-06-26 Procédé et appareil de verrouillage par détection pour un écran tactile

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CN (1) CN103941994A (fr)
WO (1) WO2013167009A2 (fr)

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CN104216518A (zh) * 2014-08-26 2014-12-17 深圳市金立通信设备有限公司 一种终端控制方法
CN107290593B (zh) * 2016-03-31 2020-06-23 海信视像科技股份有限公司 电容检测装置及显示设备
CN105892751B (zh) * 2016-04-21 2019-05-07 北京小米移动软件有限公司 控制触控屏触发的方法及装置、电子设备
CN106055144B (zh) * 2016-05-24 2018-12-18 北京小米移动软件有限公司 控制触控屏状态的方法及装置、电子设备
CN106339106B (zh) * 2016-08-12 2019-02-12 Oppo广东移动通信有限公司 一种终端的接近检测方法、装置及移动终端
CN106896962B (zh) * 2017-03-07 2020-02-14 Oppo广东移动通信有限公司 触摸屏及电子装置
CN108708647A (zh) * 2018-04-27 2018-10-26 信利光电股份有限公司 一种自动门控制方法及系统、存储介质和移动终端
CN108801321B (zh) * 2018-06-08 2021-08-17 Oppo（重庆）智能科技有限公司 传感器校准方法、电子装置及计算机可读存储介质
CN108965510A (zh) * 2018-06-15 2018-12-07 Oppo广东移动通信有限公司 电子设备、屏幕控制方法及相关产品
CN108989546B (zh) * 2018-06-15 2021-08-17 Oppo广东移动通信有限公司 电子装置的接近检测方法及相关产品
CN112817512B (zh) * 2019-11-18 2024-05-28 荣耀终端有限公司 一种防误触方法、移动设备及计算机可读存储介质
CN113792355B (zh) * 2021-09-16 2024-06-14 统信软件技术有限公司 一种锁屏控制方法、装置及计算设备

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CN102722297A (zh) * 2011-03-30 2012-10-10 中兴通讯股份有限公司 一种触摸屏设备及其实现接近感应的方法
CN102855018A (zh) * 2012-07-27 2013-01-02 北京爱格码科技有限责任公司 一种通过触摸屏电容感应实现接近传感的方法

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WO2013167009A3 (fr) 2014-01-09
CN103941994A (zh) 2014-07-23

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