Facsimile and static presentation processing – Facsimile – Specific signal processing circuitry
Reexamination Certificate
2004-02-25
2008-12-30
Zimmerman, Mark K (Department: 2625)
Facsimile and static presentation processing
Facsimile
Specific signal processing circuitry
C358S451000, C399S047000
Reexamination Certificate
active
07471424
ABSTRACT:
An original size detecting apparatus is capable of carrying out accurate original size detection without erroneous detection of the size of an original due to the influence of external scattered light. A CCD reads reflected light of light irradiated from a light source onto an original placed on an original platen glass. Optical sensors detect two open states of the original presser plate, and a scanner controller performs predetermined control corresponding to each of the open states of the original presser plate detected by the optical sensors, to determine the size of the original based on the result of the reading by the CCD.
REFERENCES:
patent: 5296944 (1994-03-01), Suzuki et al.
patent: 5453818 (1995-09-01), Maehara et al.
patent: 5973797 (1999-10-01), Tanaka et al.
patent: 2001/0035987 (2001-11-01), Ishido et al.
patent: 62-47026 (1987-10-01), None
patent: 5-207239 (1993-08-01), None
patent: 08-204912 (1996-08-01), None
patent: 08-223372 (1996-08-01), None
patent: 9-135330 (1997-05-01), None
patent: 9-329848 (1997-12-01), None
patent: 2001-324770 (2001-11-01), None
patent: 2001-346009 (2001-12-01), None
Ishido Katsuhiro
Soya Takashi
Canon Kabushiki Kaisha
Chen Huo Long
Rossi Kimms & McDowell LLP
Zimmerman Mark K
LandOfFree
Original size detecting apparatus, original size detecting... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Original size detecting apparatus, original size detecting..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Original size detecting apparatus, original size detecting... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4038398