Title:
PLAYING CARD
Document Type and Number:
Japanese Patent JP2022064996
Kind Code:
A
Abstract:
To provide a playing card in which printing in a surface side cannot be seen through even if it is seen through an infrared camera.SOLUTION: In a playing card, a suit and a rank are printed on one surface of a card base sheet, a back pattern is printed on the back, a black layer or a middle layer having a color layer similar to a black color for preventing visible rays from passing easily are provided on the card base sheet, the suit and the rank are printed by ink not containing carbon so as to prevent transmission of visible rays from the back by the middle layer, and the suit and the rank printed by ink not containing carbon transmits infrared rays so as to prevent the suit and the rank from being distinguished from the back in both of visible rays and infrared rays. A set or several sets of decks are composed of individual cards cut from a card base sheet with a cutting machine.SELECTED DRAWING: Figure 1
Inventors:
SHIGETA YASUSHI
Application Number:
JP2022016045A
Publication Date:
April 26, 2022
Filing Date:
February 04, 2022
Export Citation:
Assignee:
ANGEL GROUP CO LTD
International Classes:
A63F1/02; B41M3/00
Domestic Patent References:
| JP7022228B2 | 2022-02-17 | |||
| JP2011024603A | 2011-02-10 | |||
| JP2008093470A | 2008-04-24 |
Attorney, Agent or Firm:
Seiji Ohno
Yuji Yamaguchi
Morita Koji
Rika Fukami
Tomohiro Matsuno
Seiichi Sakatani
Hiroshi Nomoto
Yuji Yamaguchi
Morita Koji
Rika Fukami
Tomohiro Matsuno
Seiichi Sakatani
Hiroshi Nomoto