Imaging bar code reader with single prism focus adjustment

Details Imaging bar code reader with single prism focus adjustment Imaging bar code reader with single prism focus adjustment

2007-10-12

2011-10-04

Lee, Seung (Department: 2887)

Registers

Coded record sensors

Particular sensor structure

Reexamination Certificate

active

08028919

ABSTRACT:
The disclosed bar code reader includes an auto-focusing component for rapidly producing in focus images. An imaging system makes use of an aiming pattern that impinges upon the coded indicia of a target. The imaging system includes a light monitoring pixel array and a focusing lens that is fixed with respect to the pixel array for transmitting an image of the target object onto the pixel array. The imaging system also includes a moveable prism mounted for movement along a path of travel to transmit light passing through the focusing lens onto the pixel array. A drive motor moves the prism relative the lens to adjust a focus of an image of the object formed at the pixel array.

REFERENCES:
patent: 6766955 (2004-07-01), Patel et al.
patent: 6905068 (2005-06-01), He
patent: 2006/0038017 (2006-02-01), Carlson et al.

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