Multispeed laser printing using a single frequency scanning...

Incremental printing of symbolic information – Light or beam marking apparatus or processes – Scan of light

Reexamination Certificate

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Reexamination Certificate

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06906738

ABSTRACT:
A laser printer using a single frequency resonant mirror for providing the beam sweep for printing at a multiplicity of printing speeds. According to a first embodiment, a pair of torsional hinges54aand54bprovides the resonant beam sweep. The number of line images per unit of measurement is changed as a function of printer speeds to achieve the desired image proportions.

REFERENCES:
patent: 6295154 (2001-09-01), Laor et al.

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