发明名称 Exposure apparatus for image formation and image formation method
摘要 An exposure apparatus for image formation uses power control means provided to a laser driver for controlling exposure energy and accordingly forming an image. Specifically, exposure energy is varied depending on an isolated-dot pattern and an isolated-line pattern by changing the pulse height (drive power) of a drive pulse for each dot. Both of the isolated-line and isolated-dot patterns of a high resolution can thus be reproduced with a high image quality without increase of cost due to requirements for accuracy in processing and positioning of a lens and without decrease of life of a photoreceptor due to a decreased thickness of its photosensitive layer.
申请公布号 US6433803(B2) 申请公布日期 2002.08.13
申请号 US20010826199 申请日期 2001.04.04
申请人 SHARP KABUSHIKI KAISHA 发明人 MUTOU YOSHINORI;TOYOSHIMA TETSURO;IWAMATSU TADASHI;AZUMA NOBUYUKI;NAKAJIMA YOSHINORI
分类号 B41J2/44;G03G15/04;H04N1/29;H04N1/40;(IPC1-7):B41J2/385;G03G13/04 主分类号 B41J2/44
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