Title:
IMAGE SENSOR UNIT AND IMAGE READING DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/173946
Kind Code:
A1
Abstract:
An image sensor unit 10 is provided with: a linear light source 14 which irradiates a manuscript G with light; a first erect and equal-magnification lens array 16 and a second erect and equal-magnification lens array 18 which are arranged in order from the manuscript side to receive light reflected from the manuscript G and form an erect and equal-magnification image; a slit 17 disposed on an intermediate-imaging surface between the first erect and equal-magnification lens array 16 and the second erect and equal-magnification lens array 18; a diffraction grating 19 which disperses the light emitted from the second erect and equal-magnification lens array 18; and a line image sensor 15 which receives light obtained by the dispersion by the diffraction grating 19.
Inventors:
TSUNETOMO KEIJI (JP)
KUSAKA SATORU (JP)
KUSAKA SATORU (JP)
Application Number:
PCT/JP2018/010430
Publication Date:
September 27, 2018
Filing Date:
March 16, 2018
Export Citation:
Assignee:
NIPPON SHEET GLASS CO LTD (JP)
International Classes:
H04N1/028; G02B3/00; H04N1/04
Foreign References:
| JP2007306154A | 2007-11-22 | |||
| JPS62178922A | 1987-08-06 | |||
| JP2002218158A | 2002-08-02 |
Other References:
See also references of EP 3606021A4
Attorney, Agent or Firm:
MORISHITA Sakaki (JP)
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