Typewriting machines – Typing by other than type-face or type-die – Thermal
Reexamination Certificate
2007-05-29
2007-05-29
Colilla, Daniel J. (Department: 2854)
Typewriting machines
Typing by other than type-face or type-die
Thermal
C400S120020, C400S240000, C347S177000, C347S178000
Reexamination Certificate
active
10937092
ABSTRACT:
A ribbon sensor includes a first and second emitter and a receiver. The first emitter is configured to transmit a yellow light signal and the second emitter is configured to transmit a blue light signal. The receiver is configured to produce an output signal in response to the transmission of the yellow and blue light signals through a panel of a print ribbon, wherein the output signal is indicative of a color of the panel. Additional aspects of the present invention are directed to a printer that includes the above-described sensor and a method of using the sensor to identify colored ribbon panels.
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Countryman Gary P.
Dunham Matthew K.
Klinefelter Gary M.
Meier James R.
Park Ryan G.
Colilla Daniel J.
Fargo Electronics Inc.
Westman Champlin & Kelly P.A.
Williams Kevin D.
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