Facsimile and static presentation processing – Natural color facsimile – Scanning
Reexamination Certificate
2011-03-29
2011-03-29
Worku, Negussie (Department: 2625)
Facsimile and static presentation processing
Natural color facsimile
Scanning
C358S474000, C358S509000, C358S475000, C358S001900, C348S086000, C348S294000, C399S032000, C399S031000
Reexamination Certificate
active
07916364
ABSTRACT:
An image reading device includes a clock generator, an image sensor, a plurality of switches having a first switch and a second switch, a reader, a first controller, and a second controller. The clock generator generates a first clock signal having a first cycle and a second clock signal having a second cycle shorter than the first cycle. The image sensor detects an image formed on a document to generate an image signal. The image signal is inputted into the first switch and the second switch by rotation. The first switch and the second switch is capable of switching to simultaneously or alternately output the image signal in synchronization with the first clock. The reader reads the image signal outputted from the first switch and the second switch. The first controller controls the first switch to output the image signal to the reader during a first period and to control the second switch to output the image signal to the reader during a second period. The second controller controls the clock generator to generate the first clock signal during the first period and the second period and to generate the second clock signal during a third period that is between the first period and the second period and that is longer than a predetermined period mT and shorter than (k×T1) The T1 is the first cycle. The k is a minimum integer that satisfies mT<(k×T1).
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Brother Kogyo Kabushiki Kaisha
Scully, Scott, Murphy and Presser, P.C.
Worku Negussie
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