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Fingerprint scanning method and apparatus used for mobile terminal

A technology of mobile terminal and scanning method, which is applied in the direction of program control device, acquisition/organization of fingerprints/palmprints, character and pattern recognition, etc., can solve the problems of high power consumption and low scanning efficiency of full-screen fingerprint recognition and scanning, and achieve improved fingerprint recognition. The effect of unlocking speed and extending battery life

Inactive Publication Date: 2018-04-20
VIVO MOBILE COMM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Embodiments of the present invention provide a fingerprint scanning method and device for mobile terminals to solve the problems of high scanning power consumption and low scanning efficiency for full-screen fingerprint recognition

Method used

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  • Fingerprint scanning method and apparatus used for mobile terminal
  • Fingerprint scanning method and apparatus used for mobile terminal
  • Fingerprint scanning method and apparatus used for mobile terminal

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] image 3 It is a schematic flow chart of a fingerprint scanning method for a mobile terminal according to Embodiment 1 of the present invention, see image 3 The method may be executed by the distance detection module of the mobile terminal, or may be executed by the processor of the mobile terminal, and may specifically include the following steps:

[0040] Step 32: Detect the distance between the operating object and the touch screen;

[0041] It should be noted that, in combination with the first application scenario, an implementation of step 32 can be:

[0042] The distance detection module collects the distance between the operating object close to the touch screen and the touch screen in real time or periodically.

[0043] In combination with the second application scenario, an implementation of step 32 can be:

[0044] The distance detection module collects the distance between the detection object and the touch screen in real time or periodically, and sends the collected...

Embodiment 2

[0067] Figure 4 It is a schematic flow diagram of a fingerprint scanning method for a mobile terminal according to Embodiment 2 of the present invention, see Figure 4 On the basis of Embodiment 1, this embodiment further explains the wake-up conditions of the fingerprint scanning module. The method may be executed by a processor, and may specifically include the following steps:

[0068] Step 42: Determine the number of target distance detection modules;

[0069] Wherein, the target distance detection module is a distance detection module that detects that the distance between the operating object and the touch screen is less than a predetermined distance threshold.

[0070] Step 44: Determine whether the number of target distance detection modules is less than a predetermined number threshold;

[0071] If yes, go to step 46, if not, go to step 48.

[0072] It should be noted that an implementation of step 44 can be:

[0073] After receiving the wake-up instruction, the processor detec...

Embodiment 3

[0083] Figure 5 It is a schematic flow diagram of a fingerprint scanning method provided in Embodiment 3 of the present invention. The following takes a mobile phone as an example, combining Figure 5 The present invention is described in detail:

[0084] Step 52: Detect the lock screen status of the mobile phone;

[0085] Among them, the lock screen state includes: locked screen / unlocked state.

[0086] Step 54: When the screen is locked, send the first indication information to the distance detection module;

[0087] Step 56: Each distance detection module starts work;

[0088] Step 58: Determine whether the distance detection module detects that the operating object is approaching;

[0089] When the distance detection module detects that an operating object is close to the touch screen, it will send a wake-up instruction to the processor. Based on this, the processor determines that an operating object is approaching when it wakes up when receiving the instruction. Or, the distance...

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Abstract

The invention discloses a fingerprint scanning method and apparatus used for a mobile terminal. The mobile terminal comprises multiple fingerprint scanning modules and multiple distance detection modules; the fingerprint scanning modules are associated with at least one distance detection module; the superposition of scanning regions of the fingerprint scanning modules covers a touch screen of themobile terminal; and the superposition of detection regions of the distance detection modules covers the touch screen. The method comprises the steps of detecting a distance between an operation object and the touch screen; and when at least one of the distance detection modules detects that the distance between the operation object and the touch screen is smaller than a predetermined distance threshold, providing an arousing instruction for the associated fingerprint scanning module, wherein the arousing instruction is used for instructing the associated fingerprint scanning module to entera working mode. When it is detected that the operation object is close to the touch screen, part of the fingerprint scanning modules are pointedly aroused for performing fingerprint scanning processing on part of the regions, so that the purposes of reducing the power consumption required for full screen fingerprint scanning and increasing the speed of the full screen fingerprint scanning are achieved.

Description

Technical field [0001] The present invention relates to the technical field of terminals, and in particular to a fingerprint scanning method and device for a mobile terminal. Background technique [0002] With the development of terminal technology, the fingerprint recognition function has gradually become a standard function of smart terminals. Through the fingerprint recognition function, users can easily perform operations such as unlocking, encryption, and payment. Generally, the fingerprint recognition module requires a built-in fingerprint sensor in the inner layer of the glass and a fixed opening. But with the advent of the full-screen era, full-screen fingerprint recognition has become a new development direction for smart terminals. [0003] At present, full-screen fingerprint recognition generally collects patterns on the surface of a hand fingerprint through an array to obtain a fingerprint image. For example: capacitive, photoelectric, ultrasonic, etc. Take capaciti...

Claims

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Application Information

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IPC IPC(8): G06K9/00G06F9/44
CPCG06F9/4418G06V40/1306
Inventor 朱先平
Owner VIVO MOBILE COMM CO LTD
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