DYNAMIC FOCUS CALIBRATION, SUCH AS DYNAMIC FOCUS CALIBRATION USING AN OPEN-LOOP SYSTEM IN A BAR CODE SCANNER
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United States of America Patent
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Issued Date -
Nov 13, 2008
app pub date -
May 10, 2007
filing date -
May 10, 2007
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A system and method for recalibrating a bar code scanner or other optical system is described. In some cases, the system dynamically adjusts the focal length of a lens assembly based on open-loop process, such as based on feedback related to a distance between the lens assembly and an imaged object. In some cases, the system dynamically adjusts the lens assembly in order to provide auto focusing or zoom adjustment
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Family
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