Capacitive ink level detection sensor

Incremental printing of symbolic information – Ink jet – Controller

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Details

347 86, B41J 2195, B41J 2175

Patent

active

056359624

ABSTRACT:
A capacitive sensor for detecting the amount of residual ink remaining within an ink container of an ink jet cartridge by measuring the capacitance of the air dielectric between the ink bag and the ink cartridge.

REFERENCES:
patent: 4415886 (1983-11-01), Kyogoku et al.
patent: 4604633 (1986-08-01), Kimura et al.
patent: 4700754 (1987-10-01), Kringe
patent: 5315317 (1994-05-01), Terasawa et al.

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