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Biological information detector and biological information measuring device

A living body information and detector technology, which is used in sensors, diagnostic recording/measurement, medical science, etc., can solve problems such as poor detection accuracy of living body information detectors, and achieve the effect of improving detection accuracy or measurement accuracy and realizing miniaturization.

Inactive Publication Date: 2015-05-27
SEIKO EPSON CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] In the case of using the pulsometers of Patent Document 1, Patent Document 2, etc. to measure the pulse rate of wrists other than fingers, for example, the detection accuracy of the biological information detector is poor due to the influence of noise caused by external light.

Method used

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  • Biological information detector and biological information measuring device
  • Biological information detector and biological information measuring device
  • Biological information detector and biological information measuring device

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Embodiment Construction

[0057] Embodiments are described below. In addition, this embodiment described below does not unduly limit the content of the present invention described in the claims. In addition, not all the configurations described in this embodiment are necessarily essential components of the present invention.

[0058] 1. Live information detector

[0059] 1.1 Configuration example of biometric information detector

[0060] figure 1 A configuration example of the biological information detector of this embodiment is shown. Such as figure 1 As shown, the vital information detector includes a light emitting unit 14 , a light receiving unit 16 , an optical filter 19 - 1 and a reflecting unit 18 . The light emitting unit 14 emits light R1 toward a detection site O (for example, a blood vessel) of a subject (for example, a user). The light receiving unit 16 receives light R1' (reflected light) having biological information after the light R1 emitted by the light emitting unit 14 is re...

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Abstract

A biological information detector includes a light-emitting part for emitting light in an emission wavelength band that includes a wavelength of interest, a light-receiving part for receiving light R1' having biological information; a reflecting part for reflecting the light R1' having the biological information at a reflecting surface towards the light-receiving part; and a filter for transmitting the wavelength of interest, the filter being provided between a detection site and the light-receiving part. The filter inhibits light in a wavelength band from a maximum wavelength of incident light to at least a maximum wavelength in the reception wavelength band, and the reflecting surface is configured so that only light having an angle of incidence that is equal to or less than the predetermined angle reaches the light-receiving part.

Description

technical field [0001] The present invention relates to a living body information detector, a living body information measuring device, and the like. Background technique [0002] The biological information measuring device measures biological information such as a person's pulse rate, oxygen saturation in blood, body temperature, heart rate, etc., and an example of the biological information measuring device is a pulsometer that measures the pulse rate. In addition, a living body information measuring device such as a pulsometer may be incorporated in electronic equipment such as a clock, a cellular phone, a pager, or a personal computer, or may be combined with electronic equipment. The biological information measurement device has a biological information detector for detecting biological information. The biological information detector has: a light emitting unit that emits light toward a detected part of a subject (user); and a light receiving unit that receives light fr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B5/0245
CPCA61B5/02427A61B5/02438A61B5/681
Inventor 山下秀人
Owner SEIKO EPSON CORP