Registers – Coded record sensors – Particular sensor structure
Patent
1997-06-24
2000-04-25
Lee, Michael G.
Registers
Coded record sensors
Particular sensor structure
23546206, 23546222, 23546223, 23546237, 23547201, 250234, G06K 710
Patent
active
060534095
ABSTRACT:
A focus changing apparatus for an optical scanner which increases the depth of the field of the optical scanner. The focus changing apparatus is optically located between a laser source and a scan mirror and includes a plurality of alternating curved and flat facets. Alternatively, a piezoelectric deformable mirror may be optically located between the laser source and a flat faceted scan mirror to provide for increased depth of field of the optical scanner.
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Brobst Thomas J.
Chaleff Edward I.
Hecht Kurt
Veksland Michael L.
Wurz Albert
Accu-Sort Systems, Inc.
Lee Michael G.
Rodriguez Douglas X.
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