Electrophotography – Diagnostics – Consumable
Patent
1998-07-10
2000-03-07
Moses, Richard
Electrophotography
Diagnostics
Consumable
399254, G03G 1508
Patent
active
060351500
ABSTRACT:
A developing apparatus includes a developing container for storing a developing agent, a developing agent carrier which is disposed at the opening of the developing container, and carries the developing agent, a detection member which is disposed in the developing container and moves at a predetermined cycle, and a judging means for judging the residual amount of developing agent on the basis of changes in voltage induced at the detection member in the cycle.
REFERENCES:
English Abstract of British Patent 2268807, Jan. 1994.
Domon Akira
Shimizu Yasushi
Canon Kabushiki Kaisha
Moses Richard
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