Method and apparatus for optical scanning capable of...

Details Method and apparatus for optical scanning capable of... Method and apparatus for optical scanning capable of...

2005-03-15

2005-03-15

Phan, James (Department: 2872)

Optical: systems and elements

Deflection using a moving element

C359S205100, C347S260000

Reexamination Certificate

active

06867890

ABSTRACT:
An optical scanning apparatus including a pulse modulation mechanism, a laser light source, a light deflecting mechanism, and a scan-imaging device. The pulse modulation mechanism performs a pulse modulation to input image data to output pulse-modulated image data. The laser light source generates a laser light beam according to the pulse-modulated image data. The laser light beam has a wavelength variation smaller than 2.0 nm per one pulse of the laser light beam. The light deflecting mechanism converts the laser light beam into a scanning laser light beam. The scan-imaging device condenses the scanning laser light beam into a scanning light spot on a surface to be scanned.

REFERENCES:
patent: 6166842 (2000-12-01), Aoki et al.

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