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Apparatus and method for measuring local skin impedance using multiple array electrodes

A local skin, electrode technology, applied in the field of resistance measurement, can solve the problem of not taking into account the contact resistance, it is difficult to accurately detect the local impedance distribution and trend and other problems

Inactive Publication Date: 2004-06-09
SAMSUNG ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The disadvantage of the traditional scheme is that it is difficult to accurately detect the distribution and trend of the local impedance in the skin, and it does not take the basic contact resistance into consideration

Method used

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  • Apparatus and method for measuring local skin impedance using multiple array electrodes
  • Apparatus and method for measuring local skin impedance using multiple array electrodes
  • Apparatus and method for measuring local skin impedance using multiple array electrodes

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Embodiment Construction

[0024] Korean Patent Application No. 2002-65185, filed Oct. 24, 2002, entitled "Apparatus and Method for Measuring Local Skin Impedance Using Multiple Array Electrodes," is hereby incorporated by reference in its entirety.

[0025] The invention will now be described in more detail hereinafter with reference to the accompanying drawings, in which preferred embodiments of the invention are shown. However, the present invention can also have other embodiments in different forms, and is not limited to the content defined in the embodiments listed here. It is, of course, intended that the disclosure of these embodiments will be thorough and complete, and will fully convey the scope of the invention to those of ordinary skill in the art. Like reference numerals refer to like parts throughout.

[0026] FIG. 1 is a schematic diagram of an apparatus 100 for measuring local skin impedance according to an embodiment of the present invention. Referring to FIG. 1 , the device 100 includ...

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Abstract

An apparatus for measuring local skin impedance includes a multi-channel electrode including a plurality of measurement sensors on an electrode surface having a predetermined area, a channel selector for selecting each of channels included in the multi-channel electrode in response to a channel control signal, a constant current source for applying a predetermined constant current to a region to be measured, a preprocessing unit for amplifying and filtering a potential value measured at each of the channels while the predetermined constant current is flowing through the region to be measured, an analog-to-digital converter for converting the potential value output from the preprocessing unit into a digital signal, and a control unit for generating the channel control signal, for processing the digital signal output from the analog-to-digital converter, and for controlling the entire apparatus.

Description

technical field [0001] The present invention relates to the electrical resistance measurement of vital organs of the human body such as skin. More specifically, the present invention relates to a device and method for measuring local impedance distribution in human skin using multiple array electrodes. Background technique [0002] According to the distribution of local impedance in human skin, various information related to the human body can be obtained. For example, local impedance profiles have been used in urea tests, blood count tests, and coagulation tests. In addition, the local impedance distribution of human skin can also be used to measure the conductivity of the skin in order to determine the best position for attaching electrodes or measure the blood coagulation status in blood vessels to diagnose myocardial infarction or atherosclerosis. [0003] The disadvantage of the traditional scheme is that it is difficult to accurately detect the distribution and trend...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/053
CPCA61B5/0532A61B5/053
Inventor 申尚勋朴准夹林根培张佑荣奇浩星
Owner SAMSUNG ELECTRONICS CO LTD
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