Image reading apparatus and image forming apparatus...

Details Image reading apparatus and image forming apparatus... Image reading apparatus and image forming apparatus...

2011-05-24

2011-05-24

Safaipour, Houshang (Department: 2625)

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

C358S001100, C358S505000, C358S474000

Reexamination Certificate

active

07948661

ABSTRACT:
An image reading apparatus and an image forming apparatus including the image reading apparatus. The image reading apparatus includes a photoelectric converter to convert incident light into an analog image signal, a drive unit to drive the photoelectric converter by a frequency modulated clock signal, an overlapping circuit to overlap an anti-phase analog signal to the analog image signal fluctuating according to the frequency modulated clock signal with a same amount of fluctuation as that of the analog image signal, and an analog digital converter to convert the overlapped analog image signal into a digital output.

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patent: 3828296 (2006-07-01), None
Office Action issued Oct. 26, 2010 in JP Application No. 2006-299145.

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