WO2013185495A1 - Procédé, système et terminal mobile pour un déverrouillage d'écran - Google Patents

Procédé, système et terminal mobile pour un déverrouillage d'écran Download PDF

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Publication number
WO2013185495A1
WO2013185495A1 PCT/CN2013/072300 CN2013072300W WO2013185495A1 WO 2013185495 A1 WO2013185495 A1 WO 2013185495A1 CN 2013072300 W CN2013072300 W CN 2013072300W WO 2013185495 A1 WO2013185495 A1 WO 2013185495A1
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WO
WIPO (PCT)
Prior art keywords
light intensity
screen
mobile terminal
maximum value
initial value
Prior art date
Application number
PCT/CN2013/072300
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English (en)
Chinese (zh)
Inventor
王亚辉
Original Assignee
惠州Tcl移动通信有限公司
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Filing date
Publication date
Application filed by 惠州Tcl移动通信有限公司 filed Critical 惠州Tcl移动通信有限公司
Publication of WO2013185495A1 publication Critical patent/WO2013185495A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/66—Substation equipment, e.g. for use by subscribers with means for preventing unauthorised or fraudulent calling
    • H04M1/667—Preventing unauthorised calls from a telephone set
    • H04M1/67—Preventing unauthorised calls from a telephone set by electronic means
    • 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
    • G06F3/0304—Detection arrangements using opto-electronic means
    • 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
    • G06F3/0304—Detection arrangements using opto-electronic means
    • G06F3/0325—Detection arrangements using opto-electronic means using a plurality of light emitters or reflectors or a plurality of detectors forming a reference frame from which to derive the orientation of the object, e.g. by triangulation or on the basis of reference deformation in the picked up image
    • 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
    • G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
    • G06F3/039—Accessories therefor, e.g. mouse pads
    • G06F3/0393—Accessories for touch pads or touch screens, e.g. mechanical guides added to touch screens for drawing straight lines, hard keys overlaying touch screens or touch pads
    • 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
    • G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
    • G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
    • G06F3/0488—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
    • G06F3/04883—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures for inputting data by handwriting, e.g. gesture or text
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2250/00—Details of telephonic subscriber devices
    • H04M2250/12—Details of telephonic subscriber devices including a sensor for measuring a physical value, e.g. temperature or motion

Definitions

  • the invention relates to a screen unlocking method, system and mobile terminal.
  • the mobile terminal automatically puts the display screen in standby mode into the locked working mode.
  • it is usually a single mode by sliding unlocking or fixing the keyboard to unlock.
  • the technical problem to be solved by the present invention is to provide a screen unlocking method, system and mobile terminal, which can realize screen unlocking control by using a proximity sensor to recognize a gesture.
  • a technical solution adopted by the present invention is to provide a screen unlocking method, including: enabling an infrared receiving tube of a mobile terminal to receive an infrared transmitting tube from the mobile terminal while the screen is locked.
  • the baseband processor of the mobile terminal receives a plurality of digital information converted into a corresponding light intensity, calculates a current light intensity change according to the plurality of digital information converted into a corresponding light intensity, and determines whether the current light intensity change belongs to Corresponding to the first mode of unlocking the screen, if yes, unlocking the screen, wherein the first mode is: the current light intensity changes from the initial value to a maximum value, and then the maximum value is changed to the initial value.
  • the second mode is: the current light intensity changes to The light intensity increases from the initial value to a maximum value, and then changes from the maximum value to the initial value, wherein the time from the initial value to the maximum value is T1, the time from the maximum value to the initial value is T2, and T1 is smaller than Twice T2.
  • the method further comprises: receiving an operation from the mobile terminal, and lighting the screen of the mobile terminal in the lock screen state.
  • a screen unlocking system comprising: an infrared light emitting module for emitting infrared light; and an infrared light receiving module for receiving the infrared light emitting module for transmitting The infrared light reflected back; the detecting module is configured to detect the plurality of infrared light intensities received by the infrared light receiving module in a predetermined time, and convert the light intensity into digital information transmission; and the processing module is configured to receive the detection from the detection The plurality of modules are converted into digital information corresponding to the light intensity, and the current light intensity change is calculated according to the plurality of digital information converted into the corresponding light intensity; and the determining control module is configured to determine whether the current light intensity belongs to the corresponding The first mode of screen unlocking, if it is, unlock the screen.
  • the system includes: a setting module, configured to set a first mode, wherein the first mode is that the current light intensity changes from an initial value to a maximum value, and then changes from a maximum value to an initial value. , wherein the time from the initial value to the maximum value is T1, the time from the maximum value to the initial value is T2, and T1 is greater than twice T2; or is used to set the second mode, the second mode is the current light
  • the intensity change is such that the light intensity increases from the initial value to a maximum value, and then changes from the maximum value to the initial value, wherein the time from the initial value to the maximum value is T1, and the time from the maximum value to the initial value is T2. And T1 is less than twice T2.
  • the system further includes: a receiving triggering module, configured to receive an operation from the mobile terminal, and illuminate a screen of the mobile terminal in a lock screen state.
  • the judgment control module is further configured to determine whether the current light intensity belongs to a second mode corresponding to abandon the unlock screen, and if yes, abandon the unlock screen.
  • Still another technical solution of the present invention is to provide a mobile terminal including the above-described screen unlocking system.
  • the present invention uses the proximity sensor to recognize the gesture to realize the unlocking control of the screen. In this way, no need to directly touch the screen of the mobile terminal or press the keyboard of the mobile terminal to unlock, to some extent protect the screen and keyboard of the mobile terminal, extend the life of the keyboard and the screen, and not stain the screen and keyboard of the mobile device. .
  • the method is simple and easy to implement, has low cost, and can also enhance the user experience.
  • FIG. 1 is a flow chart of an embodiment of a screen unlocking method of the present invention
  • FIG. 2 is a schematic diagram of a proximity sensor detecting infrared light intensity according to an embodiment of the screen unlocking method of the present invention
  • FIG. 3 is a schematic diagram of a specific application of an embodiment of a screen unlocking method according to the present invention.
  • FIG. 4 is a schematic diagram showing changes in infrared light intensity detected by a proximity sensor according to an embodiment of the screen unlocking method of the present invention
  • FIG. 5 is a schematic diagram of another specific application of an embodiment of the unlocking method of the present invention.
  • FIG. 6 is a schematic diagram showing changes in infrared light intensity detected by another proximity sensor according to an embodiment of the screen unlocking method of the present invention.
  • FIG. 7 is a schematic block diagram of an embodiment of a screen unlocking system of the present invention.
  • FIG. 8 is a specific application circuit diagram of an embodiment of a mobile terminal of the present invention.
  • an embodiment of a method for unlocking a screen of the present invention includes:
  • Step S101 The infrared receiving tube of the mobile terminal is configured to receive infrared light that is reflected back from the infrared transmitting tube;
  • the mobile terminal responds to the user's key operation to illuminate the screen in the lock screen state.
  • the infrared receiving tube in the mobile terminal receives the infrared light emitted by the infrared transmitting tube and reflected back.
  • the infrared light emitted by the infrared emission tube is reflected by the object and received by the infrared receiving tube.
  • the infrared receiving tube does not receive the infrared light emitted by the infrared transmitting tube.
  • a retaining wall is disposed between the infrared transmitting tube and the infrared receiving tube to prevent the infrared light emitted from the infrared transmitting tube from being directly received by the infrared receiving tube without being reflected;
  • Step S102 The proximity sensor of the mobile terminal is sequentially detected to obtain a plurality of infrared light intensities in a predetermined time, and the light intensity is converted into digital information and sent to the baseband processor of the mobile terminal;
  • the proximity sensor of the mobile terminal monitors the infrared receiving tube to receive the infrared light in real time.
  • the proximity sensor sequentially detects a plurality of infrared light intensities in a predetermined time, and converts the light intensity into a mobile terminal.
  • the digital information that the baseband processor can recognize is sent to the baseband processor for processing;
  • Step S103 The baseband processor of the mobile terminal is configured to receive a plurality of digital information converted into corresponding light intensities, and calculate a current light intensity change condition;
  • the baseband processor converts the received plurality of digital information into corresponding light intensity, and calculates a current light intensity change. For example, when the object approaches the proximity sensor detection area from far to near, the proximity sensor detects that the infrared light intensity data is changed from D(0) to D(max), where D represents the light intensity, and the baseband processor calculates the current light intensity as D. (0) Gradient to D(max).
  • Step S104 determining whether the current light intensity change condition belongs to the first mode corresponding to unlocking the screen, if the screen is unlocked;
  • the condition of the current light intensity change obtained by the baseband processor belongs to the first mode corresponding to unlocking the screen, and if so, unlocks the screen.
  • the first mode here is: the current light intensity changes from the initial value to a maximum value, and then the maximum value to the initial value, wherein the light intensity is from the initial value to the maximum value.
  • the time is T1
  • the time from the maximum value to the initial value is T2
  • T1 is greater than twice T2.
  • the second mode is: the current light intensity changes from the initial value to a maximum value, and then changes from the maximum value to the initial value, wherein the time from the initial value to the maximum value of the light intensity is T1, and the maximum value The time to become the initial value is T2, and T1 is less than twice T2.
  • first mode and the second mode may be separately set to other modes, which are not limited by the present invention.
  • FIG. 2 is a schematic diagram of a proximity sensor detecting infrared light intensity according to an embodiment of the screen unlocking method of the present invention.
  • the infrared transmitting tube 201 emits infrared light
  • the infrared receiving tube 202 receives infrared light
  • the proximity sensor 203 detects and The intensity of the infrared light received by the infrared receiving tube 202 is calculated. Only when an object 204 is close to the proximity sensor 203, the infrared light emitted by the infrared emission tube 201 is emitted by the object 204, and the infrared receiving tube 202 can receive the infrared light.
  • the infrared receiving tube 202 When no object 204 is in close proximity, the infrared receiving tube 202 does not receive the infrared light emitted by the infrared transmitting tube.
  • a retaining wall 205 is disposed between the infrared transmitting tube 201 and the infrared receiving tube 202 to prevent the infrared light emitted from the infrared transmitting tube 201 from being excessively diffracted inside the mobile phone to interfere with the infrared receiving tube 202. Judging and recognizing the proximity of the object 204 can be achieved by the received intensity change of the infrared light.
  • FIG. 3 is a schematic diagram of a specific application of the screen unlocking method according to an embodiment of the present invention
  • FIG. 4 is a schematic diagram of changes in infrared light intensity detected by a proximity sensor to be specifically applied.
  • the proximity sensor 301 detects that the infrared light intensity data is gradually changed from D(0) to D(max) (as shown in FIG. 4).
  • D represents the light intensity
  • the duration of time is T, that is, close to the hold time.
  • the finger 302 is drawn parallel by the position of the detection area of the proximity sensor 301, and the intensity of the infrared light detected by the proximity sensor 301 is rapidly reduced from D(max) to D(0), and the detection process takes time T2; if the time T1 is greater than Twice the T2 time, it is judged as the unlocking action, and the unlocking screen is controlled.
  • FIG. 5 is a schematic diagram of another specific application of the screen unlocking method according to an embodiment of the present invention.
  • FIG. 6 is a schematic diagram of changes in infrared light intensity detected by a proximity sensor that should be specifically applied. As shown, when the finger 502 is pressed from far to near to the detection area of the proximity sensor 501, the proximity sensor 501 detects that the infrared light intensity data is gradually changed from D(0) to D(max) (as shown in FIG. 6). The detection process takes time T1, where D represents the light intensity; in a specific application, the infrared receiving tube is set to sample the light intensity ten times within a predetermined time, such as 10 seconds, and take the average value.
  • T1 where D represents the light intensity
  • the infrared receiving tube is set to sample the light intensity ten times within a predetermined time, such as 10 seconds, and take the average value.
  • D(0) (S(0)+S(1)+...+S(9))/10
  • S represents the sampled light intensity value
  • D(n) is no longer increased, that is, D(max) is reached, indicating that the finger 502 has touched the detection area of the proximity sensor 501
  • T1 is from the beginning of the finger 502 to the proximity of the sensing area of the proximity sensor 501.
  • the finger 502 After the end of the T time, the finger 502 is vertically separated from the position where the contact proximity sensor 501 detects the area, and the intensity of the infrared light detected by the proximity sensor 501 gradually decreases from D(max) to D(0), which is approximately perpendicular to the intensity curve. Conversely, this detection process takes T2; if the T1 time is less than twice the T2 time, it is judged to give up the unlocking action.
  • FIG. 7 is a schematic block diagram of an embodiment of a screen unlocking system according to the present invention.
  • the screen unlocking system includes:
  • the infrared light receiving module 702 is configured to receive infrared light emitted from the infrared light emitting module and reflected back;
  • the infrared light receiving module 702 receives the infrared light emitted from the infrared light emitting module 701 and is emitted back by the object. When no object approaches, the infrared light receiving module 702 does not receive the infrared light;
  • the detecting module 703 is configured to detect the plurality of infrared light intensities received by the infrared light receiving module 702 in a predetermined time, and convert the light intensity into digital information transmission;
  • the detecting module 703 detects the infrared light receiving module 702 to receive the infrared light in real time.
  • the detecting module 703 sequentially detects the received multiple infrared light intensities, and Converting the infrared light intensity into digital information and sending it to the processing module 704 for processing;
  • the processing module 704 is configured to receive a plurality of digital information converted from the detection module 703 into corresponding light intensities, and calculate a current light intensity change according to the plurality of digital information converted into corresponding light intensities;
  • the processing module 704 obtains a current light intensity change by processing the received digital information converted into a corresponding light intensity
  • the determining control module 705 is configured to determine whether the current light intensity belongs to a first mode corresponding to unlocking the screen, and if yes, unlock the screen;
  • the judgment control module 705 controls to unlock the screen by determining whether the current light intensity change belongs to a preset first mode corresponding to unlocking the screen.
  • the setting module 706 is configured to set the first mode or the second mode for the determination by the judgment control module 705.
  • the first mode is that the current light intensity changes from the initial value to a maximum value, and then from the maximum value to the initial value, wherein the time from the initial value to the maximum value of the light intensity is T1, and the maximum value is changed.
  • the time for the initial value is T2, and T1 is greater than twice T2;
  • the second mode is that the current light intensity changes from the initial value to a maximum value, and then from the maximum value to the initial value, where the light intensity is initially
  • the time to the maximum value is T1, the time from the maximum value to the initial value is T2, and T1 is less than twice T2.
  • the receiving triggering module 707 is configured to receive an operation from the mobile terminal and illuminate the screen of the mobile terminal in a lock screen state.
  • the screen 708 is connected to the receiving trigger module 707 and the determining control module 705, respectively, for displaying the operation interface, the lock screen information, and the like.
  • FIG. 8 is a specific application circuit diagram of an embodiment of a mobile terminal according to the present invention, as shown in the following figure:
  • the mobile terminal is a mobile phone 800 that includes a screen 15 for display, a baseband processor 11, an infrared LED 12, an infrared receiving tube 13, and a sensor 14.
  • the baseband processor 11 is a specific application of the processing module 704 and the determination control module 705 in the embodiment of the screen unlocking system shown in FIG. 7, the infrared LED 12 is a specific application of the infrared light emitting module 701, and the infrared receiving tube 13 is an infrared receiving module.
  • the sensor is a specific application of the detection module 703.
  • the baseband processor 11 is responsible for system control, and communicates with the infrared receiving tube 13 and the sensor 14 through the I2C interface, respectively, for receiving a plurality of digital information from the sensor 14 converted into corresponding light intensity, and calculating the current light from the digital information.
  • the intensity changes, and the action is recognized according to the change of the light intensity, and the screen unlock state is controlled.
  • the infrared LED 12 is connected to the baseband processor 11 through a GPIO interface for emitting infrared light.
  • the infrared receiving tube 13 receives infrared light.
  • the sensor 14 detects the intensity of the infrared light received by the infrared receiving tube 13 and converts the intensity of the infrared light into digital information for transmission to the baseband processor 11.
  • one of the advantages of the present invention is that the proximity sensor is used to recognize the gesture to realize the unlocking control of the screen, and the hardware structure of the mobile terminal does not need to be additionally added or changed, the cost is small, the implementation is simple and easy, and Improve the user experience.
  • the second advantage of the present invention is that unlocking can be realized without directly contacting the screen of the mobile terminal or pressing the keyboard of the mobile terminal, and the screen and keyboard of the mobile terminal are protected to a certain extent to extend the life.

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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)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Lock And Its Accessories (AREA)

Abstract

La présente invention concerne un procédé pour un déverrouillage d'écran ; et également un procédé et un système correspondants pour un déverrouillage d'écran. Le procédé pour un déverrouillage d'écran consiste à : dans un état dans lequel un écran est verrouillé, amener un transistor récepteur à infrarouge d'un terminal mobile à recevoir une lumière infrarouge réfléchie émise par un transistor émetteur à infrarouge du terminal mobile ; à amener un capteur de proximité du terminal mobile à détecter et à acquérir successivement de multiples intensités de lumière infrarouge dans un temps prédéterminé, à convertir les intensités de lumière en informations numériques et à transmettre celles-ci à un processeur de bande de base du terminal mobile ; à amener le processeur de bande de base du terminal mobile à recevoir de multiples éléments d'informations numériques converties à partir des intensités de lumière correspondantes, et à calculer et à acquérir une variation d'intensité de lumière courante dans les intensités de lumière sur la base des multiples éléments d'informations numériques converties à partir des intensités de lumière correspondantes ; à déterminer si la variation d'intensité de lumière courante appartient ou non à un premier mode correspondant à un déverrouillage de l'écran, et si tel est le cas, alors déverrouiller l'écran. Grâce à ce procédé, la présente invention permet au capteur de proximité d'identifier un geste, permettant ainsi de mettre en œuvre une commande de déverrouillage de l'écran, et est simple à mettre en œuvre.
PCT/CN2013/072300 2012-06-14 2013-03-07 Procédé, système et terminal mobile pour un déverrouillage d'écran WO2013185495A1 (fr)

Applications Claiming Priority (2)

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CN201210197097.0A CN102778950B (zh) 2012-06-14 2012-06-14 一种屏幕解锁方法、系统及移动终端
CN201210197097.0 2012-06-14

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