Liquid developer concentration measuring apparatus of an image p

Details Liquid developer concentration measuring apparatus of an image p Liquid developer concentration measuring apparatus of an image p

1999-05-07

2000-07-18

Royer, William J.

Electrophotography

Control of electrophotography process

Control of developing

118689, G03G 1510

Patent

active

060919140

ABSTRACT:
An apparatus for measuring the concentration of a liquid developer of an image processor includes: a housing; a rotating roller disposed inside the housing, a driving source for rotating the roller; a developer supplier for supplying the developer to the roller such that a developer film can be formed as the roller rotates, and a sensor for sensing an amount of light transmitted through the developer film by directing light to the developer film and receiving the light transmitted through the developer film.

REFERENCES:
patent: 4204766 (1980-05-01), Harada
patent: 5706095 (1998-01-01), Rathbun
patent: 5897240 (1999-04-01), Yoo
patent: 5933685 (1999-08-01), Yoo

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