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JP3013335U Expired / Lapsed JP ⏱️ 0.0 years remaining

prepaid card

Assignee: 東京アルテック有限会社
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Filing: 1994-12-30
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Granted: 1995-07-11
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Expires: 2014-12-30
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Abstract

Abstract Translated from Japanese (57)【要約】 【目的】 偽造防止手段を設けてなるプリペイドカード である。 【構成】 励起光の波長と蛍光波長とが共に赤外線領域 内にある蛍光体が含有された蛍光インキを用いて、識別 マークが形成されているプリペイドカードにおいて、前 記識別マークは、二種類の濃度の前記蛍光インキのいず れかで塗り潰されたエリアを組合せて二進法データを表 すものであることを特徴とする。 (57) [Summary] [Purpose] A prepaid card provided with a forgery prevention means. [Constitution] In a prepaid card in which an identification mark is formed by using a fluorescent ink containing a phosphor whose excitation light wavelength and fluorescence wavelength are both in the infrared region, the identification mark has two types of density. The area filled with any one of the above fluorescent inks is combined to represent binary data.

Inventors

  • 👤 川 保 男 石

Bibliographic Details

Application Number —
Jurisdiction JP
Data Source google_patents
Last Synchronized 2026-11-01 05:30
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