Incremental printing of symbolic information – Light or beam marking apparatus or processes – Scan of light
Reexamination Certificate
2005-09-27
2005-09-27
Pham, Hai (Department: 2861)
Incremental printing of symbolic information
Light or beam marking apparatus or processes
Scan of light
Reexamination Certificate
active
06950118
ABSTRACT:
A laser imaging device is described. The laser imaging device includes a laser driver, and a pulse width modulator system. The pulse width modulator system includes a first pulse width modulator having a first operating frequency and a second pulse width modulator having a second operating frequency, which provides to the laser driver a pulse width modulated output signal having a desired modulation frequency greater than the first and second operating frequencies.
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