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Identificate-indentifying method using finger print sensor as well as being as inputting apparatus

A fingerprint sensor, keyboard input technology, applied in the field of identity recognition, can solve the problems of reduced recognition efficiency, scratches, lack of compensation methods, etc., to achieve the effects of improving environmental adaptability, improving security level, and expanding the scope of application

Inactive Publication Date: 2005-02-16
ZHEJIANG MIAXIS TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are defects in the characteristics of the fingerprint itself, such as seasonal molting, damage, scratches, etc. When the fingerprint sensor faces such individual variation, the recognition efficiency is greatly reduced, and at the same time it lacks other effective compensation methods.
As a result, the adaptability of the entire identification system will be greatly reduced, affecting the overall performance

Method used

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  • Identificate-indentifying method using finger print sensor as well as being as inputting apparatus
  • Identificate-indentifying method using finger print sensor as well as being as inputting apparatus
  • Identificate-indentifying method using finger print sensor as well as being as inputting apparatus

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] Embodiment 1: as figure 1 , shows a fingerprint sensor, 4 is the sensor housing, 3 is the reading window interface, and the 4 corner areas of 3 are set as the coding area 1, and the coding is performed as follows: the upper left corner is coded as 1, the upper right corner It is coded as 2, the lower left corner is coded as 3, and the lower right corner is coded as 4. These four corner areas are equivalent to an independent touch button.

[0014] Such as figure 2 As shown in the system flow chart, when the finger is pressed for the first time, if the finger falls in the coding area 1, the password authentication program is started, and the fingerprint sensor detects the combination of finger positions falling in different coding areas 1, then records and decodes, that is Get the user's password from the sensor, and if the passwords match, authentication is successful.

[0015] If it falls in the non-coding area 2, start the fingerprint authentication program, the fin...

Embodiment 2

[0018] Embodiment 2: The flow of the password authentication program and the fingerprint authentication program is the same as that of Embodiment 1. The difference lies in the encoding method of encoding area 1: as Figure 4 , the four corners and two side areas of the fingerprint sensor read-in window 3 are set as encoding area 1, and the encoding is performed as follows: the upper left corner is encoded as 1, the upper edge is encoded as 2, the upper right corner is encoded as 3, and the lower left corner is encoded as 4. The lower side is coded as 5, and the lower right corner is coded as 6. These 6 corners are equivalent to an independent touch button. When pressing the finger for the first time, if the finger falls on the coding area 1, the password authentication+fingerprint authentication program is started. If it falls in the non-coding area 2, only the fingerprint authentication procedure is started.

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PUM

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Abstract

The present ivnention relates to an identity identification method by using fingerprint sensor used as keyboard input device, and said method mainly includes the following steps: 1). on the reading-in window a group of regions is set, all the regions are coded, every coded region can be used as a touch key; 2). when the finger is pressed on a coded region position of the reading-in window for irst time; said coded region position can be detected by fingerprint sensor, according to the finger-pressed position difference, i.e. different coded region and non-coded region, the different identifying identification program can be actuated; and 3). after the identity identification program having need of inputting keyboard information is actuated, the finger positions in different coded regions which are detected by fingerprint sensor can be combined, then said fingerprint information can be recorded and decoded.

Description

technical field [0001] The invention relates to the field of fingerprint identification, in particular to an identification method using a fingerprint sensor as a keyboard input device. Background technique [0002] As a fingerprint image reading device, the fingerprint sensor is an indispensable part of the automatic fingerprint identification system. Its practical application fields are mainly in two aspects: one is on embedded devices, including fingerprint door locks, fingerprint POS machines, etc.; It is an online application, including computer security management, public security detection and so on. Due to the adoption of fingerprint identification technology, the security level and application capability of the above equipment can be greatly improved. [0003] Currently, known fingerprint sensors are only used as reading devices for fingerprint images in fingerprint recognition systems. However, there are defects in the characterist...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F3/023G06K9/00
Inventor 刘中秋郑曙光汪涤
Owner ZHEJIANG MIAXIS TECH CO LTD