Optical valve position sensing
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Nov 10, 1981
Grant Date -
N/A
app pub date -
Sep 4, 1979
filing date -
Sep 4, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Apparatus for indicating the position of a rotary valve contained in a disposable lid including light reflecting means mounted to rotate as the valve rotates, light sources mounted on a permanent base for directing light toward the light reflecting means, light transducing means mounted in the permanent base so as to receive light reflected by said reflecting means, and circuits coupled to said sources and transducing means for producing signals indicating the rotary position of the valve.
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Family
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Cited Art Landscape
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