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Lie detection system

A detection module and detection device technology, applied in the direction of diagnostic recording/measurement, medical science, blood characterization device, etc., can solve the problem that the polygraph cannot meet the actual needs and environmental requirements of polygraph detection, and achieve simple structure and convenient operation , Physiological data comprehensive effect

Inactive Publication Date: 2018-11-23
山东美泽赫生理技术有限公司
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Problems solved by technology

[0005] The technical problem to be solved by the present invention is to provide a polygraph system to solve the problem that polygraphs in the prior art cannot meet the actual needs and environmental requirements of polygraphs and many other factors.

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Embodiment Construction

[0028] The specific embodiments of the present invention will be further described below in conjunction with the accompanying drawings. It should be noted here that the descriptions of these embodiments are used to help understand the present invention, but are not intended to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below may be combined with each other as long as they do not constitute a conflict with each other.

[0029] A polygraph system, as attached figure 1 As shown, it includes: multimedia stimulation diversion, smart bracelet and terminal equipment, wherein the multimedia stimulation diversion is used to stimulate the subject to generate changed physiological data; the smart bracelet is used to obtain the physiological data of the subject; the terminal The device is used to display the physiological data of the subject, which includes skin resistance data, blood oxygen satu...

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Abstract

The invention discloses a lie detection system. The system includes a multimedia stimulation guiding flow, a smart wristband and a terminal device. The multimedia stimulation guiding flow is used forstimulating a testee in order to generate changeable biological data; the smart wristband is used for obtaining the biological data of the testee; the terminal device is used for displaying the biological data of the testee. The disclosed lie detection system can collect dermal resistance data, blood oxygen saturation data, electrocardio data, body temperature data, body movement state and other biological data of the testee in real time, and the biological data can be combined to obtain a result indicating whether or not the testee is telling a lie, wherein the lie detection accuracy can reach 90-95%. The problem that traditional lie detection instruments are inconvenient to wear is solved, and the lie detection system is convenient to operate and easy to learn and use.

Description

technical field [0001] The invention relates to the technical field of lie detection, in particular to a lie detection system. Background technique [0002] In 1921, American psychologists and police officers Larson and Keeler developed the first polygraph, an instrument that records multiple physiological indicators. It mainly measures the secretion of sweat glands, blood pressure, and respiration. Since it can record the physiological condition of the testee, it can then judge the psychological state of the testee during the test and find out whether the testee has lied during the test. [0003] After more than half a century of development, polygraph technology has been widely used in investigation, security and confidential departments in various countries. [0004] However, the polygraph in the prior art needs to wear various equipment all over the body, which is cumbersome to wear and use, and can only be used for short-term polygraph use, and requires the subject to ...

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Application Information

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IPC IPC(8): A61B5/16A61B5/01A61B5/053A61B5/0402A61B5/145
CPCA61B5/01A61B5/0533A61B5/14542A61B5/164A61B5/681A61B5/72A61B5/318
Inventor 曹芊蔡绪军吕永富
Owner 山东美泽赫生理技术有限公司
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