Pixel clock generating device, laser scanning device, and...

Details Pixel clock generating device, laser scanning device, and... Pixel clock generating device, laser scanning device, and...

2005-08-09

2005-08-09

Pham, Hai (Department: 2861)

Incremental printing of symbolic information

Light or beam marking apparatus or processes

Scan of light

Reexamination Certificate

active

06927789

ABSTRACT:
A pixel clock generating device includes a measurement unit that measures a scanning time required for scanning a length and outputs a measured value, a pixel clock generating unit that generates a pixel clock, and a reference clock generating unit that generates a reference clock having a frequency higher than the pixel clock. A phase of the pixel clock is controlled based on (i) the reference clock and (ii) a comparison result between the measured scanning time and a preset scanning time.

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