发明名称 |
EMI reduction in output devices |
摘要 |
A method of reducing EMI when printing an image with a printer having a laser includes determining edge pels located near an edge of the image, determining interior pels located within the image and not edge pels, forming edge pels by operating the laser at a first duty cycle and forming at least a portion of a plurality of interior pels by operating the laser at a second duty cycle longer than the first duty cycle. Another aspect is a method of reducing EMI in a printer when forming a latent image on a photoconductive member by gating a light source ON and OFF, including the steps of identifying a first region near an edge of an image to be formed, the first region being formed by gating the light source at a first frequency; and identifying an interior region of the image to be formed, the interior region being formed by gating the light source at a second frequency lower than the first frequency.
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申请公布号 |
US5867203(A) |
申请公布日期 |
1999.02.02 |
申请号 |
US19970857228 |
申请日期 |
1997.05.16 |
申请人 |
LEXMARK INTERNATIONAL INC. |
发明人 |
JONES, CHRISTOPHER DANE;OVERALL, GARY SCOTT;WADE, THOMAS CAMPBELL;WRIGHT, PHILLIP BYRON |
分类号 |
B41J2/44;G06K15/12;H05K9/00;(IPC1-7):G11B20/18 |
主分类号 |
B41J2/44 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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