Leak detecting sensor and chemical liquid injection system
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United States of America Patent
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Feb 27, 2018
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app pub date -
Apr 23, 2012
filing date -
Mar 31, 2011
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Abstract
To provide a leak detecting sensor capable of favorably detecting a leak of a chemical liquid regardless of orientation in fixing to a patient. The leak detecting sensor has a plurality of light-emitting elements 11 each emitting light to be applied to the patient, and a single light-receiving element receiving the light emitted by the plurality of light-emitting elements and reflected by the patient. The plurality of light-emitting elements are placed to surround the single light-receiving element.
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