Incremental printing of symbolic information – Light or beam marking apparatus or processes – Scan of light
Reexamination Certificate
2008-07-22
2008-07-22
Pham, Hai C (Department: 2861)
Incremental printing of symbolic information
Light or beam marking apparatus or processes
Scan of light
C347S246000
Reexamination Certificate
active
07403214
ABSTRACT:
The dynamic range of an electrophotographic device may be shifted by calibrating a laser power of a laser source to operate within a first range of power levels during a laser power adjustment operation. At least one laser control parameter is modified after calibrating the laser power so that the laser source is operable within a second range of power levels different from the first range of power levels and a beam emitted by the laser source is controlled within the second range of power levels when the beam is directed towards an image area of a photoconductive surface.
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Clarke Cyrus B.
Cook William P.
Fields Thomas A.
Frey Jonathan C.
Jones Christopher D.
Lexmark International Inc.
Pham Hai C
Stevens & Showalter LLP
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