| 2. | Lee , c . m , w . k wong , method for identifying a sequence of alphanumeric characters , abstract appearing on united states patent office official website for us patent number 6 , 026 , 177 , august , 1995 1995 . 8李春茂博士,黄永健先生就文字与数位序列的识别方法申请专利,摘要见于美国专利局网站,美国专利号: 626177 。 |