Human pore diameter displacement sensor and signal processing circuit therefor

A technology of displacement sensor and sensor, which is applied in the direction of image data processing, image data processing, electrical digital data processing, etc., and can solve the problem of not checking the signal processing circuit of the sensor
CN1242239CInactive Publication Date: 2006-02-15刘θ‡ͺιΈΏ
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Patents(China)
Current Assignee / Owner
刘θ‡ͺιΈΏ
Publication Date
2006-02-15
Estimated Expiration
Not applicable Β· inactive patent

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Abstract

A diameter sensor of human hair trichopore is a doped semiconductor chip which is serially connected in a DC circuit and can be stably pasted on human skin. If a constant current source is used in said DC circuit, the two power inputs of said semiconductor chip are signal outputs. If a constant voltage source is used, the current flowing through said semiconductor chip is just the output signal. Its signal processing circuit is composed of small signal amplifier, logrithmic operation circuit and extraction operating circuit.
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Description

technical field

[0001] The human body pore aperture displacement sensor and its signal processing circuit belong to the technical field of semiconductor intelligent sensor design of bioelectronics. Background technique

[0002] Pore ​​diameter is an important information window of human physiological changes. It can not only be used as an appearance parameter, but also reflect the suitability of cold and heat inside the human body, the degree of metabolism, and even the development of some diseases. After searching, there is no literature on the sensor and its signal processing circuit that can respond to the change of the pore diameter of the human body in the domestic and foreign literature. Contents of the invention

[0003] The purpose of the present invention is to propose a sensor that can effectively respond to changes in the pore diameter of the human body. The sensor uses a semiconductor chip to sense the array pores, and uses the thermal effect to convert the rad...

Claims

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