Electrophotography – Machine operation – Having power supply
Reexamination Certificate
2011-03-15
2011-03-15
Gray, David M (Department: 2852)
Electrophotography
Machine operation
Having power supply
Reexamination Certificate
active
07907864
ABSTRACT:
A high voltage power controlling apparatus of an image forming apparatus includes a DC (direct current) power controller connected to a plurality of DC supplies to output DC power at respective predetermined levels. A plurality of AC (alternating current) power controllers control output AC power to overlap the power output from the DC supplies, respectively.
REFERENCES:
patent: 4685040 (1987-08-01), Steigerwald et al.
patent: 4791348 (1988-12-01), McGuire et al.
patent: 08065893 (1996-03-01), None
Cho Jong-hwa
Oh Chul-woo
Gray David M
Roth Laura K
Samsung Electronics Co,. Ltd.
Stanzione & Kim LLP
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