Voltage switch and electrophotographic color image forming...

Electrophotography – Machine operation – Electrical connection

Reexamination Certificate

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Details

C399S228000

Reexamination Certificate

active

11175188

ABSTRACT:
A voltage switch for connecting a power supply with a plurality of development units in sequence, and an electrophotographic color image forming apparatus using the voltage switch. In the voltage switch, a first terminal is arranged on a circuit board and is connected to the power supply, and a plurality of second terminals are arranged in a circle on the circuit board and are connected with the plurality of development units, respectively. A rotor is rotatably coupled with the circuit board of the switch and is provided with a lead, such that as the rotor rotates about the circle, the first terminal can be electrically connected with the plurality of second terminals in sequence.

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patent: 2003/0228169 (2003-12-01), Yoo
patent: 2005/0047815 (2005-03-01), Doi et al.
patent: 2005/0053391 (2005-03-01), Ahn et al.
patent: 04-043372 (1992-02-01), None
patent: 09-325556 (1997-12-01), None
patent: 10-90968 (1998-04-01), None
patent: 10-2004-0028478 (2004-04-01), None
patent: 10-2004-0032261 (2004-04-01), None

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