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Biological sensor

A technology of sensors and organisms, applied in the direction of sensors, catheters, applications, etc., can solve problems such as deformation, insufficient rigidity of the optical isolation part, poor connection of installation parts, etc., to prevent poor connection and reduce the acceptance of the non-permeable organism the effect of stray light

Active Publication Date: 2019-11-19
MURATA MFG CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, when the housing is pressed from the outside during measurement, for example, if the rigidity of the light-isolating part is not sufficient, there is a possibility of deformation due to the pressing.
In this case, since the pressing is applied to the element mounting plane through the optical isolation part, the element mounting plane may be deformed by the pressing, causing poor connection of the mounting parts, etc.

Method used

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Embodiment Construction

[0018] Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the drawings. In addition, in the drawings, the same reference numerals are used for the same or corresponding parts. In addition, in each figure, the same reference numerals are attached to the same elements, and overlapping descriptions are omitted. In addition, here, a case where the biometric sensor according to the present invention is applied to a hand-held pulse wave measurement device will be described as an example.

[0019] First, use the Figure 1 to Figure 5 Next, the configurations of the biosensor 2 according to the embodiment and the grip type pulse wave measurement device 1 to which the biosensor 2 is applied will be described. it's here, figure 1 It is a front view and a left and right side view showing the appearance of the grip type pulse wave measurement device 1 to which the biometric sensor 2 is applied, and a state in which the grip type pu...

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Abstract

A photoelectric pulse wave sensor (2) is provided with: a light-emitting element (21) and a light-receiving element (22) that are arranged at a prescribed interval on the main surface of a wiring substrate (30); and a casing (10) that has the wiring substrate (30) attached thereto, that has a pair of openings (104, 105) formed therein so to respectively correspond to the light-remitting element (21) and the light-receiving element (22), and that has a light-shielding part (101) provided at least between the pair of openings (104, 105). The light-shielding part (101) includes a light-shieldingmember (102) that is provided to a surface opposed to the wiring substrate (30) of the casing (10), that has light-shielding property and flexibility, and that abuts against the wiring substrate (30)to be deformed when the wiring substrate (30) is attached to the casing (10).

Description

technical field [0001] The present invention relates to a biological sensor for acquiring biological signals. Background technique [0002] In recent years, people's interest in health management and maintenance has increased, and people are expected to obtain biological information such as pulse and electrocardiogram more easily. Conventionally, however, biosensors are known that utilize the property of hemoglobin in blood to absorb visible light to infrared light, and acquire changes in the intensity of light transmitted through or reflected from living bodies such as fingers as photoelectric pulse wave signals. [0003] Here, Patent Document 1 discloses a bracelet-shaped sensor node. In this sensor node, a pair of infrared light-emitting diodes and phototransistors constituting a pulse sensor are arranged in a straight line on the substrate. These infrared light-emitting diodes and phototransistors are provided so as to face the skin from an opening provided in the cont...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/02
CPCA61B5/02427A61B5/6826A61B2560/0425A61B2562/185H05K2201/0999H05K2201/10151H05K2201/10121H05K1/18A61B2560/0431A61B2562/166H05K1/0274
Inventor 志牟田亨
Owner MURATA MFG CO LTD
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