Density detection device and image forming apparatus

Details Density detection device and image forming apparatus Density detection device and image forming apparatus

2011-01-11

2011-01-11

Tran, Hoan (Department: 2884)

Electrophotography

Control of electrophotography process

Control of developing

C073S03200R

Reexamination Certificate

active

07869728

ABSTRACT:
In a density detection device, a casing includes an internal space. An inflow path is communicated with the internal space through an inlet facing the internal space. An outflow path is communicated with the internal space through an outlet facing the internal space. A base is provided in the internal space to block the liquid flowing from the inlet. The base has a top side positioned above the inlet. A movable member has a bottom side opposed to the top side of the base. The movable member is configured to move to cause the bottom side to be close to and away from the top side of the base. A density detection section is configured to detect density of a liquid layer formed between the bottom side and the top side while the bottom side is positioned close to the top side at predetermined distance.

REFERENCES:
patent: 6819888 (2004-11-01), Teraoka et al.
patent: 6945631 (2005-09-01), Adachi
patent: 6957586 (2005-10-01), Sprague
patent: 2005-315948 (2005-11-01), None

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