Invention Grant
US08593628B2 Spectral characteristics estimation device, image forming apparatus having the same, and spectral characteristics estimation method
有权
光谱特性估计装置，具有该光谱特性估计装置的图像形成装置和光谱特性估计方法
- Patent Title: Spectral characteristics estimation device, image forming apparatus having the same, and spectral characteristics estimation method
- Patent Title (中): 光谱特性估计装置，具有该光谱特性估计装置的图像形成装置和光谱特性估计方法
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Application No.: US13165205Application Date: 2011-06-21
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Publication No.: US08593628B2Publication Date: 2013-11-26
- Inventor: Kohei Shimbo , Naohiro Kamijo , Manabu Seo , Yoichi Kubota
- Applicant: Kohei Shimbo , Naohiro Kamijo , Manabu Seo , Yoichi Kubota
- Applicant Address: JP Tokyo
- Assignee: Ricoh Company, Limited
- Current Assignee: Ricoh Company, Limited
- Current Assignee Address: JP Tokyo
- Agency: Dickstein Shapiro LLP
- Priority: JP2010-147647 20100629
- Main IPC: G01J3/00
- IPC: G01J3/00 ; G01R13/00
Abstract:
Spectral characteristics of an object is estimated using an extended sensor response, which includes a product of at least two light intensity signals whose wavelength ranges are partially overlapped with each other.
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