Coded data generation or conversion – Digital pattern reading type converter – Incremental
Reexamination Certificate
2007-10-09
2007-10-09
Nguyen, Linh V. (Department: 2819)
Coded data generation or conversion
Digital pattern reading type converter
Incremental
C341S017000, C341S001000, C250S231130, C250S210000, C250S210000
Reexamination Certificate
active
10847153
ABSTRACT:
A novel encoder system adapted for use in print architecture at least includes: a codewheel coupled to a rotating print architecture element; a first encoder sensor mounted at a first position relative to the periphery of the codewheel, the first encoder adapted to output a first output signal; a second sensor mounted at a second position relative to the periphery of the codewheel, the second encoder adapted to output a second output signal, and the second sensor positioned substantially 180 degrees relative to the first encoder sensor; and a logic correction circuit adapted to receive the first and second output signals, and for outputting a correction signal with a period that is the average of the periods of the first and second output signals.
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Fay Sharpe LLP
Nguyen Linh V.
Xerox Corporation
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