Recording medium type discrimination apparatus, recording...

Details Recording medium type discrimination apparatus, recording... Recording medium type discrimination apparatus, recording...

2008-07-08

2008-07-08

Hindi, Nabil Z (Department: 2627)

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Reexamination Certificate

active

10928351

ABSTRACT:
According to the present invention, light is emitted by a light source at different emission intensities, and sensor output values are compared with threshold values at the individual emission intensities, so that the types of recording media having various reflection characteristics can be correctly determined.

REFERENCES:
patent: 6700846 (2004-03-01), Furuichi et al.
patent: 6879555 (2005-04-01), Takeuchi
patent: 7149169 (2006-12-01), Juan et al.
patent: 5-27410 (1993-02-01), None
patent: 6-15861 (1994-01-01), None

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