发明名称 Program controlled beam focus to compensate for thermal changes
摘要 An imaging system with beam focus adjustment, includes an emitter which emits a beam of radiation along a beam path and an optical assembly, having a focus adjustment mechanism, configured to focus the emitted beam on a medium to be imaged. A medium support member supports the medium on its support surface during imaging. A sensor generates temperature data representing a detected temperature of the medium support member and a controller controls the focus adjustment mechanism in accordance with the temperature data to adjust the focus of the emitted beam on the medium.
申请公布号 US6137640(A) 申请公布日期 2000.10.24
申请号 US19990293952 申请日期 1999.04.19
申请人 AGFA CORPORATION 发明人 VIOLA, DAVID P.
分类号 G02B26/10;B41J2/475;G02B7/00;G02B7/28;G11B7/09;H04N1/113;(IPC1-7):G02B7/02 主分类号 G02B26/10
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