METHOD AND APPARATUS FOR DETECTING POSITION OF LIQUID SURFACE, LIQUID SUPPLY APPARATUS, AND ANALYZING SYSTEM
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United States of America Patent
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Issued Date -
Jun 11, 2015
app pub date -
Dec 3, 2014
filing date -
Dec 5, 2013
priority date (Note) -
Abandoned
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Abstract
A method of measuring a position of a liquid surface in a light transmissive container, includes:
- irradiating a liquid surface with light obliquely so the light is transmitted through an inner wall that comes into contact with liquid and is totally reflected from an inner wall that comes into contact with air in the state in which a light-receiving surface is present on a bottom portion of the container; and detecting a position of a boundary between a dark portion and a bright portion generated by the total reflection on the light-receiving surface.
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