Electrophotography – Machine operation
Reexamination Certificate
2006-12-12
2006-12-12
Tran, Hoan (Department: 2852)
Electrophotography
Machine operation
C399S042000, C399S080000, C399S081000
Reexamination Certificate
active
07149450
ABSTRACT:
An image forming apparatus that allows easy implementation of options or other extensions to a multi-functional peripheral or the like is provided, together with a function extension program for use in the image forming apparatus. The image forming apparatus reads a predetermined function program from a storage section storing at least one function program on which usage restrictions have previously been placed and enables the read function program. It is detected whether or not a cancellation device (2, 3or4) that cancels the usage restrictions on the at least one function program is connected to a hot-pluggable connecting terminal. Cancellation information is read from the cancellation device when the cancellation device is detected being connected to the connecting terminal. The usage restrictions on the at least one function program are canceled according to the read cancellation information.
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patent: 6991316 (2006-01-01), Maru et al.
patent: 2003/0231343 (2003-12-01), Kobayashi et al.
patent: 9-267538 (1997-10-01), None
patent: 2001-309099 (2001-11-01), None
Foley & Lardner LLP
Kabushiki Kaisha Toshiba
Toshiba Tec Kabushiki Kaisha
Tran Hoan
LandOfFree
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