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KMID : 0372919920130020141
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Journal of Biomedical Engineering Research
1992 Volume.13 No. 2 p.141 ~ p.146
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A Study on the Characteristics of near IR lights for non-restrained Biotelemetry
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Abstract
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The propagation, reflection and scattering characteristics of the near Infra-red lights were experimented in order to check the feasibility of non-restrained biotelemetry using indirect transmitted light. The results of the experiments show that 3 kinds of walls examined are not specular reflectors but almost perfect diffuse surfaces with slight directivity and that light in a local point is spread out and fills the room uniformly by repeating the reflection and scattering at walls, ceiling, floor. These results also explain the fact that the diffusely reflected light can be utilized as the carrier of biotelemetry even after several scattering and reflections.
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