Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Brad Carlson0
Alex Breytman0
Mark Krichever0
Paul Dvorkis0
Tsi David Shi0
Date of Patent
April 11, 2006
0Patent Application Number
104058120
Date Filed
April 2, 2003
0Patent Citations Received
Patent Primary Examiner
Patent abstract
Several optical systems for imaging engines of imaging optical code readers are disclosed. Each optical system includes the abilities to change the depth of field of the imaging field and to adjust a focus quality of the imaging field. The disclosed structures for changing the depth of field of the disclosed optical systems allow for the automatic or manual selection of one of a plurality of depths of field.
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