Facsimile and static presentation processing – Facsimile – Picture signal generator
Reexamination Certificate
2006-08-08
2006-08-08
Lee, Cheukfan (Department: 2627)
Facsimile and static presentation processing
Facsimile
Picture signal generator
C358S475000, C358S484000, C358S506000
Reexamination Certificate
active
07088477
ABSTRACT:
This invention has an object of reading a high-quality image by detecting and correcting dust or scratches present on a transparent original in an image reading apparatus for reading, e.g., a transparent original. To achieve this object, an original illumination unit in the image reading apparatus for reading an original includes at least a first light source for emitting light in a visible region, a second light source for emitting light in a n invisible region, and a light guide plate which has these light sources arranged at end faces and has first and second light guide patterns for guiding light beams from the first and second light sources to the entire light-emitting surface.
REFERENCES:
patent: 5038227 (1991-08-01), Koshiyouji et al.
patent: 5359691 (1994-10-01), Tai et al.
patent: 5667289 (1997-09-01), Akahane et al.
patent: 5695269 (1997-12-01), Lippmann et al.
patent: 5969372 (1999-10-01), Stavely et al.
patent: 6323967 (2001-11-01), Fujinawa
patent: 6437358 (2002-08-01), Potucek et al.
patent: 6474836 (2002-11-01), Konagaya
patent: 6493061 (2002-12-01), Arita et al.
patent: 6532085 (2003-03-01), Fujinawa
patent: 6660987 (2003-12-01), Koshimizu
patent: 6734997 (2004-05-01), Lin
patent: 6765701 (2004-07-01), Yang et al.
patent: 6791721 (2004-09-01), Konogaya et al.
patent: 6796502 (2004-09-01), Nogami et al.
patent: 6806981 (2004-10-01), Konno
patent: 2001/0030278 (2001-10-01), Koshimizu
patent: 2002/0168116 (2002-11-01), Takayama et al.
patent: 0 510 421 (1992-10-01), None
patent: 1 076 205 (2001-02-01), None
patent: 08307608 (1996-11-01), None
patent: 10126578 (1998-05-01), None
patent: WO 98/34397 (1998-08-01), None
European Search Report dated Jul. 1, 2002.
Hanabusa Mitsugu
Kinumura Kengo
Koshimizu Masato
Takayama Tsutomu
Canon Kabushiki Kaisha
Lee Cheukfan
Morgan & Fiinnegan, LLP
LandOfFree
Image reading apparatus and illumination apparatus does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Image reading apparatus and illumination apparatus, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Image reading apparatus and illumination apparatus will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3705740