Title:
FORGERY PREVENTION STRUCTURE, PAPER SHEETS, AUTHENTICITY IDENTIFICATION APPARATUS, AUTHENTICITY IDENTIFICATION METHOD AND PAPER SHEET PROCESSING UNIT
Document Type and Number:
Japanese Patent JP2020029028
Kind Code:
A
Abstract:
To make a forgery prevention structure suitable for machine identification.SOLUTION: A forgery prevention structure for preventing forgery of paper sheets includes: a first layer in which a predetermined design is formed with a plurality of regions having different transmittance of non-visible light having a predetermined wavelength; and a second layer which is provided upper than the first layer, through which the non-visible light transmitting the first layer can transmit and in which a design different from that of the first layer is visually observably formed.SELECTED DRAWING: Figure 3
Inventors:
SHIMIZU YUTO
KAMEYAMA HIROSHI
KAMEYAMA HIROSHI
Application Number:
JP2018155557A
Publication Date:
February 27, 2020
Filing Date:
August 22, 2018
Export Citation:
Assignee:
GLORY KOGYO KK
International Classes:
B41M3/14; G02B5/20; G03H1/02; G03H1/22; G07D7/12; G07D7/206
Domestic Patent References:
| JP2014092646A | 2014-05-19 | |||
| JP2013195640A | 2013-09-30 | |||
| JP2001096999A | 2001-04-10 | |||
| JPH06247084A | 1994-09-06 | |||
| JP2015110308A | 2015-06-18 |
Foreign References:
| US20150367670A1 | 2015-12-24 |
Attorney, Agent or Firm:
Shiro Nakatsuji
Junichi Suwa
Junichi Suwa