Sensor syringe
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United States of America Patent
Stats
-
Oct 18, 1983
Grant Date -
N/A
app pub date -
Mar 26, 1981
filing date -
Apr 23, 1980
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A sensor syringe or hollow needle arrangement for the automatic withdrawal of a liquid sample from a liquid contained within a vessel. A duct is enclosed in a sheath or jacket-like manner by a light conductor possessing an inlet for an optical source and an outlet leading to an optical detector. During sample withdrawal there is utilized the change in the reflection behavior of the lower end of the light conductor upon its immersion in the liquid in order to control sample withdrawal.
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Cited Art Landscape
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