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Dynamic focus calibration, such as dynamic focus calibration using an open-loop system in a bar code scanner
Dynamic focus calibration, such as dynamic focus calibration using an open-loop system in a bar code scanner
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机译:动态聚焦校准,例如使用条形码扫描仪中的开环系统进行动态聚焦校准
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摘要
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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