Power control device and image forming apparatus

Details Power control device and image forming apparatus Power control device and image forming apparatus

2011-04-26

2011-04-26

Jackson, Stephen W (Department: 2836)

Electricity: electrical systems and devices

Control circuits for electromagnetic devices

For relays or solenoids

C361S190000, C361S160000

Reexamination Certificate

active

07933110

ABSTRACT:
A first switching unit and a second switching unit are connected in series to an electric power load. A voltage supply unit, which is connected between the first switching unit and the second switching unit, supplies a voltage to the second switching unit. A determining unit determines an occurrence of a malfunction in at least one of the first switching unit and the second switching unit.

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patent: 2006/0285867 (2006-12-01), Takahashi et al.
patent: 11-109785 (1999-04-01), None
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patent: 2005-221773 (2005-08-01), None
patent: 2006-58520 (2006-03-01), None

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