IMAGE DETECTION DEVICE AND INKJET RECORDING DEVICE

WIPO Patent Application WO/2018/168191

A1

Provided are: an image detection device capable of detecting the position of an object to be detected, reliably and with sufficient accuracy; and an inkjet recording device. The present invention comprises an imaging means (26) and a detection means (40). The imaging means (26) has: a line sensor (265) that, by using a plurality of imaging elements (265a) arranged at element arrangement intervals in a prescribed direction, obtains detection values for the plurality of imaging elements one-dimensionally arranged in a prescribed direction on the surface of a recording medium; and an optical element (264) that diffuses incident light from within an ink droplet width being no more than twice the arrangement interval of the imaging elements, so as to guide the incident light to a range larger than twice the element arrangement interval, in a prescribed direction upon the plurality of imaging elements (265a). The detection means (40) performs position detection on the basis of the detection values for the imaging elements from the imaging elements (265a) having the incident light guided thereto from the image to be detected.

MIZUTANI TOSHIYUKI (JP)

PCT/JP2018/001522

September 20, 2018

January 19, 2018

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KONICA MINOLTA INC (JP)

B41J2/01; G06T1/00

JP2015223775A	2015-12-14
JP2010023459A	2010-02-04
JP2006284749A	2006-10-19
JP2009172966A	2009-08-06
JP2011161870A	2011-08-25
US20130162748A1	2013-06-27
JP2015058602A	2015-03-30

See also references of EP 3597433A4

KOYO INTERNATIONAL PATENT FIRM (JP)

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