Scanner with synchronously switched optics
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Oct 26, 2004
Grant Date -
Dec 20, 2001
app pub date -
Jul 24, 2001
filing date -
Apr 27, 1999
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A method of and system a system for generating scan lines having different beam characteristics. In one embodiment, the beam is focused at different distances depending upon the scan line. A system may comprise a light source generating a reading beam, a suitable scanning mechanism such as a polygon mirror having a plurality of mirror facets, a beam correction plate in the beam path mounted to the facet wheel and rotating therewith. The reading beam passes through the correction plate and is then reflected off the mirror facet, the correction plate adjusting a beam characteristic, such as beam focus, scan angle, or beam power, for each mirror facet or portion of a mirror facet.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully