SMART SENSING SYSTEM USING PRESSURE SENSOR and wearable unit

A pressure sensor and sensing system technology, applied in pressure sensors, sensors, instruments, etc., can solve the problems of difficult measurement and large errors, and achieve the effect of minimizing the burden and reducing the area

Inactive Publication Date: 2020-06-30
ELSSEN INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, in order to perform actual measurement, the skin and the measurement electrodes need to be stabilized first, and it is very difficult to measure accurately because of the large error due to skin color and various noises.

Method used

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  • SMART SENSING SYSTEM USING PRESSURE SENSOR and wearable unit
  • SMART SENSING SYSTEM USING PRESSURE SENSOR and wearable unit
  • SMART SENSING SYSTEM USING PRESSURE SENSOR and wearable unit

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Embodiment Construction

[0027] Hereinafter, an embodiment of an intelligent sensing system using a pressure sensor according to the present invention will be described with reference to the accompanying drawings. At this time, the present invention is not limited or limited to the Examples. In addition, when describing the present invention, in order to clarify the gist of the present invention, a detailed description of known functions or configurations may be omitted.

[0028] refer to figure 1 , the intelligent sensing system 100 using a pressure sensor according to an embodiment of the present invention may include a pressure sensor 110 , a differential amplifier 120 , a voltage distribution time constant 130 , a filter 140 and a processor 150 .

[0029] The pressure sensor 110 can sense the pressure applied from the outside to generate a first variable voltage VBP and a second variable voltage VBN. The pressure sensor 110 may generate a first variable voltage VBP and a second variable voltage ...

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Abstract

Provided is a smart sensing system using a pressure sensor, the smart sensing system including a pressure sensor configured to generate a first variable voltage and a second variable voltage by sensing a pressure that is applied; a differential amplifier configured to generate an output voltage of which a voltage value is determined based on an output current that is generated based on a voltage difference between the first variable voltage and the second variable voltage and a resistance value adjusted in response to a control signal; and a processor configured to measure the applied pressureby detecting the voltage value of the output voltage and to output the control signal used for adjusting the voltage value of an amplification voltage.

Description

technical field [0001] The present invention relates to an intelligent sensing system using a pressure sensor, more specifically, to a system for sensing the pressure applied by the user and converting the sensing result into digital signals and waveforms to monitor the user's body in real time. Smart sensing system and wearable unit utilizing pressure sensor for condition. Background technique [0002] Usually, the barometric sphygmomanometer mainly used in the hospital usually measures blood pressure and pulse by applying pressure to the forearm in a state where the person is stabilized to a certain extent. This sphygmomanometer is not recommended to measure more than 6 times a day. Such a sphygmomanometer cannot be carried around to measure blood pressure easily. On the other hand, although the smart sphygmomanometer that gets rid of the fixed type is portable, it still has the disadvantage of being relatively large and inconvenient. [0003] The technique of measuring...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/22A61B5/00A61B5/0205
CPCA61B5/22A61B5/6802A61B5/02055A61B5/0205A61B5/72H03K17/9625H03K17/962H03K17/975H03K2217/960705A61B5/7225G01L1/225G01L1/144A61B5/318A61B5/02416A61B5/0024A61B2562/0247G06F3/04144G06F3/045
Inventor 朴志晩
Owner ELSSEN INC
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