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Standby unlocking unit for fingerprint safe

A technology for opening devices and safes, which is applied in the application of locks, electric counter locks, instruments, etc., to achieve the effect of improving the insurance factor

Inactive Publication Date: 2005-11-30
TSINGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The object of the present invention is to solve the problem of "spare key" of fingerprint safe, and propose a kind of spare opening device for fingerprint safe, which has the same confidentiality coefficient as fingerprint identification system, safe, reliable and convenient to use.

Method used

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  • Standby unlocking unit for fingerprint safe

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Embodiment Construction

[0017] The standby opening device of the fingerprint safe designed by the present invention is described as follows in conjunction with accompanying drawing:

[0018] The standby opening device of the fingerprint safe of the present invention is composed of an infrared emitting part and an infrared receiving part.

[0019] Infrared emission component block diagram of the present invention as shown in Figure 1 (a), comprises: the keyboard, liquid crystal display, single-chip microcomputer, infrared coded carrier modulation amplification module and emitter that are electrically connected successively; And be arranged on the key renewal module of this single-chip microcomputer; Among them: the keyboard is used to input the key; the liquid crystal display is used to display the operation process; the single-chip microcomputer is used to save the corresponding key and update the manufacturer's key; the infrared coded carrier modulation amplifier module is used to encode the key and ...

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Abstract

This invention relates to a standby opening device of fingerprint safe, which belongs to the biological feature identification and automatic identity discrimination technology field. Said device comprises infrared transmitting parts and infrared receiving parts, wherein, the infrared transmitting parts comprises: sequential electric connecting keyboards, liquid crystal display, single chip machine, infrared pulse code modulation amplifying module, ejector and the code refreshing module set on the single chip machine; the infrared receiving parts comprises: sequential electric connecting infrared receiving and preamplification circuit, infrared decode module, light-emitting diode, single chip machine and the same code refreshing module set on this machine. The invention has the considerable secrecy factor with the fingerprint identification system.

Description

technical field [0001] The invention belongs to the technical field of biological feature identification and automatic identity identification, in particular to a backup opening device for a fingerprint safe. Background technique [0002] Fingerprint recognition is a kind of biometric identification technology. Biometric identification technology refers to the technology that uses the physiological or behavioral characteristics of the human body for identification. Fingerprints have the commonality, uniqueness, permanence, measurability and anti-counterfeiting characteristics of biological characteristics. [0003] As the oldest biological feature, fingerprints have the following advantages in addition to the above characteristics: simple image acquisition device, low requirements on lighting conditions, easy to realize, easy to miniaturize and high recognition rate. These advantages make fingerprint identification beneficial to civilian promotion, so now it is still a hot...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E05B49/00
Inventor 林喜荣方正飞谭汝谋陈定积阮永基
Owner TSINGHUA UNIV
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