Magnetic stripe read / write error detection method and magnetic stripe read / write device to which the method is applied

Abstract

Abstract Translated from Japanese (57)【要約】 【課題】 装置出荷時または保守点検終了時に基準媒体 で、装置の磁気ストライプ読み取り能力を試験する際に 適用することにより、装置のギヤのバックラッシュ等装 置機構部の異常，磁気ヘッド汚れ，磨耗等の異常である と判定してアラームを装置の表示部と上位装置に送信す る等、装置の異常箇所を自己診断できる磁気ストライプ 読み取り方法および装置を提供すること。 【解決手段】 磁気ヘッドの再生出力信号を所定周期で サンプリングし、各サンプル点の振幅値に対応したディ ジタル値に変換した後、サンプル点の振幅とビット長の 統計データに基づいて、装置に異常があった場合、これ を磁気ヘッド機構部のガタ，磁気ヘッド汚れ・磨耗等に 切り分けることを特徴とする磁気ストライプ読み取り／ 書き込み異常の検知方法、および、これを適用した装 置。 (57) [Summary] [PROBLEMS] To apply to test the magnetic stripe reading ability of an apparatus with a reference medium at the time of shipment of the apparatus or at the end of maintenance and inspection, to prevent abnormalities in the mechanism of the apparatus such as backlash of gears of the apparatus, and the like. Provided is a magnetic stripe reading method and apparatus capable of self-diagnosing an abnormal part of the apparatus, such as transmitting an alarm to a display unit of the apparatus and an upper apparatus by determining that the magnetic head is abnormal such as contamination or wear of the magnetic head. SOLUTION: After a reproduction output signal of a magnetic head is sampled at a predetermined cycle and converted into a digital value corresponding to the amplitude value of each sample point, an abnormality occurs in the apparatus based on statistical data of the amplitude and bit length of the sample point. If there is a magnetic stripe read / write, it is separated into play of the magnetic head mechanism, dirt / wear of the magnetic head, etc. A method for detecting a writing error and an apparatus to which the method is applied.

Inventors

• 👤 Atsushi Yuasa
• 👤 篤士 湯浅
• 👤 Satoshi Fujimoto
• 👤 聡 藤本
• 👤 Shizuo Sato
• 👤 鎮雄 佐藤

Bibliographic Details