Incremental printing of symbolic information – Ink jet – Controller
Reexamination Certificate
2008-03-13
2011-10-11
Le, Uyen Chau N (Department: 2874)
Incremental printing of symbolic information
Ink jet
Controller
Reexamination Certificate
active
08033628
ABSTRACT:
A method of identifying a type of recording medium includes moving the recording medium relative to a sensor at a substantially uniform speed; processing a signal from the sensor to provide digitized data of the signal; identifying a plurality of peaks in the digitized data; determining at least one of the heights and widths of each of the plurality of peaks; determining a peak to peak distance between two adjacent peaks of the plurality of peaks; determining the position of a peak corresponding to the reference mark using a combination of parameters related to at least two of the peak heights, the peak widths, and the peak to peak distance; determining a configuration of a peak corresponding to the identification mark by locating a peak that is spaced apart from the position of the peak corresponding to the reference mark; and identifying the type of recording medium using the configuration of the peak corresponding to the identification mark.
REFERENCES:
patent: 7120272 (2006-10-01), Guiguizian
patent: 2006/0103691 (2006-05-01), Dietl et al.
Burke Greg M.
Shi Yang
Eastman Kodak Company
Le Uyen Chau N
Novais David A.
Shkurko Eugene I.
Tran Hoang
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