Dynamic information storage or retrieval – Condition indicating – monitoring – or testing – Including radiation storage or retrieval
Reexamination Certificate
2008-07-08
2008-07-08
Hindi, Nabil Z (Department: 2627)
Dynamic information storage or retrieval
Condition indicating, monitoring, or testing
Including radiation storage or retrieval
Reexamination Certificate
active
07397747
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.
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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
Fujibayashi Mitsuyuki
Kikuchi Shoji
Canon Kabushiki Kaisha
Fitzpatrick ,Cella, Harper & Scinto
Hindi Nabil Z
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