Title:
ドットパターンが設けられたカード
Document Type and Number:
Japanese Patent JP3998701
Kind Code:
B1
Abstract:
A flexible card which allows data of the card to be changed with a simple operation is provided, thereby permitting users to sustain interest in the card and a relevant game. The card comprises a first dot pattern in which a coordinate value or a code value is patterned and which is recognizable by predetermined irradiation light at least on one surface thereof and a second dot pattern which is patterned in a predetermined algorithm in a region overlapping with a region where the first dot pattern is provided or a region different from a region where the first dot pattern is provided.
Inventors:
Kenji Yoshida
Application Number:
JP2006356469A
Publication Date:
October 31, 2007
Filing Date:
December 28, 2006
Export Citation:
Assignee:
Kenji Yoshida
International Classes:
A63F1/02; A63F1/06; B42D15/10; G09F3/10
Domestic Patent References:
| JP2006338690A | ||||
| JP2005261645A | ||||
| JP2002301264A | ||||
| JP9197972A | ||||
| JP2005284103A | ||||
| JP6231466A | ||||
| JP2002244563A | ||||
| JP55175156U |