Control device, image forming apparatus, and control method
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United States of America Patent
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Jan 16, 2018
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N/A
app pub date -
Oct 29, 2015
filing date -
Jun 1, 2015
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Abstract
A control device includes a second sub-controller to which second devices are connected, a first sub-controller to which first devices are connected, a master controller that controls the first and second sub-controllers, and so on. The second sub-controller includes a second interruption information memory storing second interruption information output from the second devices, a second interruption controller transmitting an interruption signal upon storing of the second interruption information and transmitting the second interruption information, and a synchronization signal generator transmitting a synchronization signal that is synchronous with the interruption signal. The first sub-controller includes a first interruption information memory storing first interruption information output from the first devices and the second interruption information, a first interruption controller transmitting the interruption signal and transmitting the first and second interruption information, and a synchronization signal controller controlling a storage operation of the first interruption information memory in accordance with the synchronization signal.
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