发明名称 Apparatus and method for improving print quality of high speed package printer
摘要 An apparatus and method relating to the print quality of a high speed package printer that produces photographs of varying size from film negatives. The high speed package printer includes a diffusion plate and a diffusion plate cleaner, and a film cleaner to remove dust and unwanted particles from the diffusion plate and film, thereby increasing the quality of prints from the printer. The apparatus increases print quality by having a plate that diffuses light from a light source shining on the photographic paper, and by automatically cleaning the diffusion plate with a brush during the time between exposures and while the photographic paper and photographic film are advancing. The apparatus also increases print quality with a film cleaning arrangement that includes applying an electrostatic charge to the film, brushing the surface of the film, vacuuming the surface of the film and using sticky rollers to remove any dust or other particles during the advancement of the film to the light source and during the time between exposures.
申请公布号 US6211943(B1) 申请公布日期 2001.04.03
申请号 US19990306578 申请日期 1999.05.06
申请人 LIFETOUCH PORTRAIT STUDIOS, INC. 发明人 ADOLPHI E. JOHN;JENSEN GERALD A.;BRECKENRIDGE MICHAEL;KUESTER TODD;LAWSON JOHN;GALLOWAY PATRICK J.
分类号 G03B27/40;G03B27/44;G03B27/46;G03B27/48;G03B27/58;G03D15/00;(IPC1-7):G03B27/52 主分类号 G03B27/40
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