Recording medium determination apparatus and image forming...

Details Recording medium determination apparatus and image forming... Recording medium determination apparatus and image forming...

2007-05-24

2010-12-14

Grant, II, Jerome (Department: 2625)

Facsimile and static presentation processing

Facsimile

Picture signal generator

C382S263000, C382S264000

Reexamination Certificate

active

07852521

ABSTRACT:
The image forming apparatus includes: a reflection LED for emitting light to a surface of a recording medium on which an image is not yet fixed; a transmission LED for emitting light to the back face of the surface of a recording medium on which an image is not yet fixed; a CMOS area sensor for reading, as image, a light irradiation region of the recording medium by the reflection LED or the transmission LED to output the image; and a condition setting mechanism for providing a control by which, in accordance with an output value from the CMOS sensor, a fixing processing condition of a fixing apparatus is set. The image forming apparatus transforms a waveform of the output from the CMOS area sensor to a frequency component to determine, based on the feature quantity of the frequency component, the type of the recording medium.

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patent: 7715739 (2010-05-01), Umeda et al.
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patent: 2008/0146897 (2008-06-01), Alfano et al.
patent: 2010/0039640 (2010-02-01), Colle
patent: 2002-182518 (2002-06-01), None

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