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Acousto-optic coupling frequency shift encryption device

An encryption device, acousto-optic coupling technology, applied in the direction of optical transmission system, ultrasonic/acoustic wave/infrasonic wave transmission system, electrical components, etc., can solve problems such as attacks, achieve the effect of preventing secret theft and reducing the probability of discovery

Active Publication Date: 2020-05-15
西北机电工程研究所
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] 6. Cyber ​​attacks;

Method used

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  • Acousto-optic coupling frequency shift encryption device
  • Acousto-optic coupling frequency shift encryption device
  • Acousto-optic coupling frequency shift encryption device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] This example figure 1 , figure 2 As shown, the acousto-optic coupling frequency shift encryption device of this embodiment includes a case cover 1, a pinion 2, an acousto-optic device 3, an ultrasonic generator 4, a large gear 5, a photoelectric conversion device 6, a control line 7, a signal line 8, Controller 9, optical fiber 10, beam splitter 11, light source 12, rotating shaft 13, stand 14, pin 15, box 16, control wire 17, servo motor 18, shading plate 19, reflective ring 20, pointer 21, scale 22.

[0047] The small gear 2 is fixedly connected with the servo motor 18, and is installed in the casing 16 together with the large gear 5; There is a certain gap on the end face.

[0048] The servo motor 18 drives the pinion 2 to rotate, and the pinion 2 meshes with the large gear 5. Therefore, the pinion 2 drives the large gear 5 to rotate. After the light emitted by the light source 12 is reflected by the reflective ring 20, the light is reflected again on the inner wa...

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PUM

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Abstract

The invention belongs to the field of sound-and-light engineering technology, and particularly relates to a sound-and-light coupling frequency shift encryption device. Compared with the prior art, thesound-and-light coupling frequency shift encryption technology is advantageous in that 1), compared with prior art in which encryption algorithm researching is focused, the sound-and-light coupling frequency shift encryption technology focuses on secret stealing event in global secret keeping and all links in information transmission; 2) even password information is decoded, protected informationcannot be acquired without the sound-and-light coupling frequency shift encryption device; and 3) even when the device according to the invention is stolen, matched biometric identification modes such as fingerprint identification and iris identification can prevent normal use of the device; and a verification code which matches a first password is generated, identified and verified at the background, thereby greatly reducing probability of being discovered.

Description

technical field [0001] The invention belongs to the technical field of acousto-optic engineering, in particular to an acousto-optic coupling frequency shift encryption device. Background technique [0002] The encryption technology of information transmission is of great significance to national defense, enterprises or individuals. With the increasing development of stealing technology, the technical demand for protecting ciphertext information is becoming more and more urgent. [0003] In the field of information encryption, the combination of electronics and mathematics is currently used more often. In the past, people used various simple methods to achieve encryption. With the advancement of technology, different disciplines and technologies such as sound, light, and biology have appeared. to encrypt information. Master Li Wenjuan from Xidian University studied encryption technology based on analog voice in 2014, Master Qu Jinyu from Chongqing University studied image se...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B10/85H04B10/556H04B11/00
CPCH04B10/5563H04B10/85H04B11/00
Inventor 豆征
Owner 西北机电工程研究所
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