Analyzing reflection data for recording medium identification

Details Analyzing reflection data for recording medium identification Analyzing reflection data for recording medium identification

2008-10-14

2009-12-22

Pyo, Kevin (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

With circuit for evaluating a web, strand, strip, or sheet

C250S559010, C347S014000, C347S101000

Reexamination Certificate

active

07635853

ABSTRACT:
A method is proved for analyzing frequency distribution of a reflection from a surface of a body to determine a type of body surface. Initially, a plurality of data points from a sensor that senses the reflection of the body's surface are provided. A first series of terms are summed together to provide a first magnitude, each term including a plurality of data points; wherein the plurality of data points being spaced apart by a first spacing. A second series of terms are summed together to provide a second magnitude, each term including a plurality of data points; wherein the plurality of data points being spaced apart by a second spacing. The first magnitude is compared to the second magnitude to determine the type of body surface.

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