Incremental printing of symbolic information – Electric marking apparatus or processes – Electrostatic
Reexamination Certificate
2005-10-21
2008-12-02
Tran, Huan H (Department: 2861)
Incremental printing of symbolic information
Electric marking apparatus or processes
Electrostatic
C347S236000
Reexamination Certificate
active
07460141
ABSTRACT:
An imaging apparatus for imaging on a recording medium is improved to permit the imaging power to be balanced between various groups of individual radiation sources with a low outlay and high accuracy. Two or more imaging heads that respectively include a multiplicity of individual radiation sources that can be electrically driven individually with light beams directed onto a radiation-sensitive layer of the recording medium. A drive moves the recording medium and the radiation sources relative to one another. A control device controls the power of the light beams of the radiation sources separately for each imaging head. A least one light guide is provided that guides a portion of the light beams emanating from the radiation sources to the receiver surface of a photoelectric sensor, which sensor is connected to the control device.
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Detmers Andreas
Meier Christian
Ringle Ingo
Rupp Thomas
Theiss Wolfgang
Greenberg Laurence A.
Heidelberger Druckmaschinen AG
Locher Raph E.
Stemer Werner H.
Tran Huan H
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