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Device for combining point light source with single lens

A technology combining point and point light sources, which is applied in the device field of the object to be tested, can solve problems such as difficult operation by users, and achieve the effects of saving space, simple components, and reducing manufacturing costs

Inactive Publication Date: 2004-07-28
TRANSPACIFIC SYST
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  • Description
  • Claims
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Problems solved by technology

It is difficult for the user to operate by ensuring that the timer is only started when the blood sample is applied to the reagent pad

Method used

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  • Device for combining point light source with single lens
  • Device for combining point light source with single lens
  • Device for combining point light source with single lens

Examples

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Embodiment Construction

[0022] The invention provides a device combining a point light source and a single lens, which mainly includes a point light source, a light sensor and a lens. The lens is arranged on the same side of the point light source and the light sensor, so that the emitted light of the point light source is focused on an object under test through the lens, and the reflected light of the object under test is focused on the light sensor through the lens. The device of the present invention can be used as a light reflectance measuring instrument, which can be applied to detect objects with point-shaped detection areas or small detection areas, and determine the object to be measured by measuring the reflected light intensity reflected by the object to be measured. The amount of a specific ingredient in it. The device of the present invention can be used to measure the reflected light intensity of a color-developed area on a test strip, and determine the content of a specific component in...

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Abstract

The present invention relates to a device for combining point light source with single lens. It mainly includes a point light source, a light sensor and a lens. The lens is placed at one same side of the point light source and light sensor, so that the light emitted by point light source can be focussed on a tested body by means of lens and the light reflected by said tested body also can be focussed on the light sensor by means of lens. It can be used for qualitatively and quantitatively determining a specific component content of a tested body. The combination relationship of point light source, light sensor and single lens can raise measurement clearness.

Description

(1) Technical field [0001] The invention relates to a device capable of detecting a test object with a small detection area; in particular, it relates to a device combining a point light source and a single lens. (2) Background technology [0002] The quantification of chemical and biochemical components in chromogenic aqueous liquids, especially in chromogenic biological fluids such as blood, urine and derivatives of biological fluids such as serum and plasma, has become more and more important. Many important applications already exist in medical diagnosis and treatment, as well as in the quantification of therapeutic drugs, poisonous substances and harmful chemicals. In some applications, the concentration of the substance that needs to be quantified is often in the range of mg / 100 cm3 or below, which is too small, so that it is difficult to quantify accurately, or requires the use of complex instruments and skilled operators. Also, in such cases, analytical results are ...

Claims

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Application Information

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IPC IPC(8): G01N21/25G01N21/55G01N33/50G01N33/66
Inventor 黄英俊王国任
Owner TRANSPACIFIC SYST
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