Title:
IMAGE READING DEVICE
Document Type and Number:
WIPO Patent Application WO/2017/195487
Kind Code:
A1
Abstract:
According to the present invention, portions of visual field areas of a plurality of imaging optical elements (15) overlap portions of visual field areas of neighboring imaging optical elements (15), and the plurality of imaging optical elements (15) include: lenses (18) which collect light (16) scattered by an object (1) to be read; apertures (19) which block portions of light collected by the lenses (18); phase modulating elements (21c) which modulate the phase of the light passing through the apertures (19); and lenses (20) which image, on an imaging surface (22), the light having a phase that has been modulated by the phase modulating elements (21c), wherein the phase modulating elements are disposed such that the resolution characteristics of the phase modulating elements in the alignment direction of the plurality of imaging optical elements (15) become consistent.
Inventors:
KAWANO HIROYUKI (JP)
TAKUSHIMA SHIGERU (JP)
TOYODA YOSHITAKA (JP)
AOKI TORU (JP)
FUNAKURA TETSUO (JP)
MATSUZAWA TAKU (JP)
TAKUSHIMA SHIGERU (JP)
TOYODA YOSHITAKA (JP)
AOKI TORU (JP)
FUNAKURA TETSUO (JP)
MATSUZAWA TAKU (JP)
Application Number:
PCT/JP2017/012948
Publication Date:
November 16, 2017
Filing Date:
March 29, 2017
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
H04N1/028; G02B13/24; H04N1/19; H04N5/225
Domestic Patent References:
| WO2009011153A1 | 2009-01-22 |
Foreign References:
| JP2010087859A | 2010-04-15 | |||
| JP2007156749A | 2007-06-21 | |||
| JP2012054668A | 2012-03-15 |
Attorney, Agent or Firm:
TAZAWA, Hideaki et al. (JP)
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