Test apparatus for evaluating electrical properties of...

Details Test apparatus for evaluating electrical properties of... Test apparatus for evaluating electrical properties of...

2007-07-24

2007-07-24

Benson, Walter (Department: 2858)

Electricity: measuring and testing

Impedance, admittance or other quantities representative of...

Lumped type parameters

C399S057000

Reexamination Certificate

active

11216103

ABSTRACT:
A test apparatus to evaluate the electrical properties of a liquid toner in which a printing quality of the liquid toner may be predicted by evaluating the electrical properties of the liquid toner without performing printing. The test apparatus to evaluate the electrical properties of a liquid toner includes a roller, a conductive flat panel positioned below the roller to move a predetermined distance in contact with the roller, a power supply device applying a voltage to the roller and the conductive flat panel, and a voltage tester provided at the rear of the roller to move together with the roller, testing a voltage of the liquid toner arranged on the conductive flat panel.

REFERENCES:
patent: 6131002 (2000-10-01), Gibson et al.
patent: 6535700 (2003-03-01), Caruthers
patent: 2004/0240897 (2004-12-01), Chou et al.
patent: 09-015982 (1997-01-01), None
patent: 2000-019852 (2000-01-01), None
patent: 2000-056581 (2000-02-01), None
patent: 2000-139476 (2000-05-01), None
patent: 1999-0070956 (1999-09-01), None

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