Invention Grant
- Patent Title: Document reader
- Patent Title (中): 文件阅读器
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Application No.: US13316048Application Date: 2011-12-09
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Publication No.: US08976430B2Publication Date: 2015-03-10
- Inventor: Kenji Morita , Akiko Kanno , Satoshi Seki , Yohei Katto
- Applicant: Kenji Morita , Akiko Kanno , Satoshi Seki , Yohei Katto
- Applicant Address: JP Tokyo
- Assignee: Canon Kabushiki Kaisha
- Current Assignee: Canon Kabushiki Kaisha
- Current Assignee Address: JP Tokyo
- Agency: Canon USA, Inc., IP Division
- Priority: JP2010-282234 20101217
- Main IPC: G03F3/08
- IPC: G03F3/08 ; H04N1/60 ; G06K9/00 ; H04N1/407
Abstract:
Generation of shading correction data is started before an instruction to start reading of the document is input in a case in which time to generate shading correction data corresponding to a document reading mode is longer than time since the instruction to start reading of the document is received until the document is fed to reach a reading point, and generation of shading correction data is started after an instruction to start reading of the document is input in a case in which time to generate shading correction data corresponding to a document reading mode is shorter than time since the instruction to start reading of the document is received until the document is fed to reach a reading point.
Public/Granted literature
- US20120154879A1 DOCUMENT READER Public/Granted day:2012-06-21
Information query
