Electrophotography – Machine operation – Having power supply
Reexamination Certificate
2005-07-29
2009-02-24
Beatty, Robert (Department: 2852)
Electrophotography
Machine operation
Having power supply
Reexamination Certificate
active
07496312
ABSTRACT:
An auxiliary power supply unit, which is attachable to and detachable from an apparatus, includes a charge unit configured to store electric charge, a terminal configured to establish electrical connection for discharge with the apparatus, and a discharge unit situated between the charge unit and the terminal to provide a discharge path that electrically connect the charge unit to the apparatus, the discharge path having an open/closed state thereof controlled during a period when an electric power is supplied from the apparatus, the discharge path being opened in response to a stoppage of supply of the electric power from the apparatus.
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Patent Abstracts of Japan, JP 63-113563, May 18, 1988.
Oi Masashi
Sato Naoki
Sugai Keiichi
Sugawara Masae
Beatty Robert
Oblon & Spivak, McClelland, Maier & Neustadt P.C.
Ricoh & Company, Ltd.
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