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Self-initiated alarming and fingerprint positioning acquisition system

A fingerprint positioning and acquisition system technology, applied in the direction of triboelectric generators, instruments, character and pattern recognition, etc., can solve the problems of complex latent fingerprint visualization and extraction methods, high price and time costs, and insufficient wide application, so as to achieve convenience for the industry application, facilitate extraction and identification, and solve the effect of accurate acquisition difficulties

Active Publication Date: 2017-05-10
UNIV OF SCI & TECH BEIJING
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Problems solved by technology

[0004] At present, "fingerprint identification" is often only used as an auxiliary means of criminal investigation, but its application is not widespread enough. The main problems are: first, "fingerprint comparison" needs to be processed by large-scale machines, and the price and time cost are relatively high; And the extraction method is relatively complicated, especially most latent fingerprints require chemical treatment to be truly visible; finally, before fingerprint extraction, it is necessary to inspect the hidden places of latent fingerprints in advance to determine the hidden areas of fingerprints, so as to accurately extract and identify fingerprints. It is a tedious and time-consuming process
At the same time, there is no integrated system that can simultaneously complete self-initiating alarm and fingerprint positioning acquisition in the prior art

Method used

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  • Self-initiated alarming and fingerprint positioning acquisition system

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Embodiment Construction

[0032] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0033] On the contrary, the invention covers any alternatives, modifications, equivalent methods and schemes within the spirit and scope of the invention as defined by the claims. Further, in order to make the public have a better understanding of the present invention, some specific details are described in detail in the detailed description of the present invention below. The present invention can be fully understood by those skilled in the art without the description of these detailed parts.

[0034] This embodiment is a self-initiating alarm and fingerprint positioning acquisition system, its ...

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Abstract

The invention discloses a self-initiated alarming and fingerprint positioning acquisition system, which comprises a nanogenerator and an alarm system, wherein the nanogenerator is used for converting mechanical energy generated by touch of exogenous substances into electric energy and outputting an electric signal, and simultaneously collecting information of the exogenous substances; and the alarm system is used for receiving the electric signal output by the nanogenerator and giving an alarm to collect a fingerprint of a trigger triggering the alarm system while achieving self-initiated alarming. A fingerprint acquisition and identification method is very simple and actual industrialization is facilitated.

Description

technical field [0001] The invention belongs to the field of fingerprint location acquisition and alarm, in particular to a self-initiating alarm and fingerprint location acquisition system. Background technique [0002] Fingerprint is recognized as one of the most important individual characteristics in the world. Everyone's fingerprints are different, so fingerprints are often widely used in criminal investigation and secrecy work. Fingerprints can be divided into obvious lines, that is, visible lines; formed stable lines, that is, fingerprints imprinted on soft materials, such as candles and clay by hand contact; latent fingerprints, that are formed by transfer of natural body secretions such as sweat fingerprint texture. Among them, latent fingerprints are not easy to find visually. This type of fingerprint is the most common in crime scenes, and this type of fingerprint cannot be seen by naked eyes. fingerprint. [0003] For latent fingerprints, if they are left on t...

Claims

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Application Information

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IPC IPC(8): H02N1/04G06K9/00
CPCH02N1/04G06V40/13
Inventor 曹霞竭洋王中林朱华瑞
Owner UNIV OF SCI & TECH BEIJING
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