Method and apparatus for preventing transient oscillations in a

Details Method and apparatus for preventing transient oscillations in a Method and apparatus for preventing transient oscillations in a

1997-04-11

2000-03-07

Le, N.

Incremental printing of symbolic information

Light or beam marking apparatus or processes

Scan of light

347264, 347241, 346138, G01D 1514

Patent

active

060347147

ABSTRACT:
An imaging processor for receiving a medium for processing, the processor comprises a print head for providing and for directing a writing laser beam. A laser source also disposed in the image processor for creating a focusing laser beam for ultimately permitting adjustment of the writing laser beam. An imaging receptacle receives the medium and is exposed to both the writing and focusing laser beams, and the writing laser beam is periodically directed from the medium, to the imaging receptacle and back to the medium. A laser-absorbent coating is coated onto the imaging drum for absorbing the focusing laser beam that is received by the imaging receptacle for substantially eliminating transient oscillations in the writing laser beam.

REFERENCES:
patent: 4946258 (1990-08-01), Fisher et al.
patent: 5196866 (1993-03-01), Ferschl et al.
patent: 5339737 (1994-08-01), Lewis et al.
patent: 5413043 (1995-05-01), Fuhrmann et al.

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