Title:
IMAGE FORMING OPTICAL SYSTEM AND IMAGE READING APPARATUS INCLUDING THE SAME
Document Type and Number:
WIPO Patent Application WO/2017/056435
Kind Code:
A1
Abstract:
An image forming optical system (100) includes a first image forming unit (101) configured to form an image of a first surface (1) onto a second surface (2), a second image forming unit (102) including at least a portion of the first image forming unit (101) and configured to form an image of the second surface (2) onto a third surface (3), and a deflection unit (104) configured to deflect light from the second surface (2) toward the third surface (3). The numerical aperture of the first image forming unit (102) on the side toward the second surface (2) is larger than the numerical aperture of the second image forming unit (102) on the side toward the second surface (2).
Inventors:
KANO HIROTO (JP)
Application Number:
PCT/JP2016/004209
Publication Date:
April 06, 2017
Filing Date:
September 15, 2016
Export Citation:
Assignee:
CANON KK (JP)
International Classes:
G02B13/18; G02B13/24; H04N1/028; H04N1/19
Foreign References:
| US20140210983A1 | 2014-07-31 | |||
| JP2010139419A | 2010-06-24 |
Attorney, Agent or Firm:
ABE, Takuma et al. (JP)
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