Light scanning unit and electrophotographic image forming...

Details Light scanning unit and electrophotographic image forming... Light scanning unit and electrophotographic image forming...

2006-10-27

2010-02-16

Safaipour, Houshang (Department: 2625)

Facsimile and static presentation processing

Facsimile

Picture signal generator

C358S296000, C358S509000, C358S474000

Reexamination Certificate

active

07663785

ABSTRACT:
Provided are a light scanning unit and an electrophotographic image forming apparatus including the light scanning unit. The light scanning unit includes a light source, a polygonal mirror deflecting light emitted from the light source in a main scanning direction, an imaging lens transmitting the deflected light to a photoconductor for forming an image, and a synchronization detecting unit detecting a synchronization signal from the deflected light for synchronization in the main scanning direction. The light scanning unit has a total scanning rate, including a synchronization detecting optical path, ranging from about 60% to 75%.

REFERENCES:
patent: 6046835 (2000-04-01), Yamawaki et al.
patent: 6201561 (2001-03-01), Ichikawa
patent: 2004/0051771 (2004-03-01), Eom et al.
patent: 09-015517 (1997-01-01), None
patent: 2000-043324 (2000-02-01), None
patent: 2005-164997 (2005-06-01), None

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