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Fingerprint recognition sensor and fingerprint recognition device of mobile communication mterminal

A mobile communication terminal and fingerprint identification technology, which is applied in the direction of acquiring/arranging fingerprints/palmprints, character and pattern recognition, instruments, etc., and can solve the problems that fingerprint identification devices cannot correctly identify modeled fingerprints, etc.

Inactive Publication Date: 2006-05-03
INSPUR LG DIGITAL MOBILE COMMUNICATIONS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] The technical problem to be solved by the present invention is to provide a fingerprint identification sensor and a mobile communication terminal fingerprint identification device using the sensor, which can solve the problem that the existing fingerprint identification device cannot correctly identify the molded fingerprint, identify it as a real fingerprint and unlock it. question

Method used

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  • Fingerprint recognition sensor and fingerprint recognition device of mobile communication mterminal
  • Fingerprint recognition sensor and fingerprint recognition device of mobile communication mterminal
  • Fingerprint recognition sensor and fingerprint recognition device of mobile communication mterminal

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Embodiment Construction

[0020] In the following, the present invention will be further described with reference to the accompanying drawings of feasible implementation examples.

[0021] First of all, by adding reference signs to constituent elements in each drawing, when the same constituent elements are shown in other drawings, the same reference numerals are used as much as possible.

[0022] In addition, the purpose of describing many detailed features such as specific processing flow in the following description is to help a better understanding of the present invention. This aspect of the invention can be practiced without these detailed features, as will be readily apparent to a person having basic knowledge in the technical field.

[0023] In addition, descriptions of well-known functions and configurations that prevent clear description of the gist of the present invention will be omitted.

[0024] Generally, optical methods have been widely used in fingerprint identification methods so far...

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PUM

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Abstract

The invention discloses a fingerprint identification sensor and a fingerprint identification device of a mobile communication terminal using the sensor, which can correctly identify molded fingerprints. The sensor is equipped with an integrated voltage generator that generates an AC voltage of a specified frequency and provides a voltage to the outer fingerprint of the touched finger, and includes a plurality of fingerprint recognition units for detecting the above-mentioned voltage flowing through the outer fingerprint; Multiple voltage amplifiers that amplify the output of the voltage value. The fingerprint identification device includes: a voltage generator that provides an AC voltage of a specified frequency to the surface of the fingerprint identification sensor and provides the above-mentioned voltage to the surface of the finger touching the surface; a power supply that appropriately changes the voltage of the terminal battery and provides working power to the above-mentioned fingerprint identification sensor. a fingerprint recognition sensor that uses a voltage difference generated by the fingerprint pattern to recognize the fingerprint according to the above-mentioned predetermined frequency voltage; a control unit that uses the voltage difference detected by the fingerprint recognition sensor to obtain the fingerprint pattern.

Description

technical field [0001] The present invention relates to a fingerprint identification sensor and device of a mobile communication terminal, in particular to a fingerprint identification sensor which can solve the problem that existing fingerprint identification devices cannot correctly identify molded fingerprints, identify them as correct fingerprints and unlock them, and use the sensor The fingerprint identification device of the mobile communication terminal. Background technique [0002] The mobile communication terminals that have appeared recently not only include additional functions related to communication, but also have built-in various additional functions based on the use of user personal information, such as mobile banking, and the importance of the mobile phone lock function has become more and more important. [0003] At present, the locking functions used by the above-mentioned mobile communication terminals are usually implemented by using passwords. It is a...

Claims

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Application Information

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IPC IPC(8): G06K9/00G06K9/20
CPCG06V40/1318G06V40/1306
Inventor 全星宪
Owner INSPUR LG DIGITAL MOBILE COMMUNICATIONS CO LTD
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