System for registration of a fluid level in a receptacle
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United States of America Patent
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Apr 29, 2003
Grant Date -
Jan 17, 2002
app pub date -
Apr 17, 2001
filing date -
Apr 18, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A system is provided for registration of a fluid level of a fluid in the fluid chamber of an invention-specific receptacle (1), in particular of ink in an ink cartridge, with a light source (11) which beams into the chamber of the receptacle, a reflection body (2) which is designed as a float, which moves in the chamber of the receptacle in dependency upon the filling level of the fluid and which variably reflects the light in dependency upon its movement, and a light detector (10) which receives a variable amount of light.
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