公开(公告)号：US3739739A

公开(公告)日：1973-06-19

申请号：US3739739D

申请日：1972-08-24

申请人： BRASE R

发明人： BRASE R

IPC分类号： B42D9/00

CPC分类号： B42D9/008

摘要： An instrument for use in quickly and accurately isolating each of separate straight lines of printed symbols such as letters or numerals or both, and increasing their clarity for reading in which a pair of parallel, spaced strips or lines midway between the opposite planar sides of flexible transparent material is positioned to define an elongated, clear, colorless, transparent band in the strip between said lines within which the printed symbols of one of said lines of printing are isolated for reading when said instrument is laid flat on the sheet with the line of printed symbols to be examined positioned between said straight lines of said pair.

摘要翻译： 用于快速且准确地隔离印刷符号的单独直线（例如字母或数字）或两者的仪器，并且增加其读取的清晰度，其中在柔性的相对的平面侧之间的中间的一对平行的，间隔开的条带或线 透明材料被定位成在所述线之间的条带中限定细长的，透明的，无色透明的带，其中所述线之一中的所述一条印刷线的印刷符号被隔离用于读取时，当所述器具平放在片材上时， 待检查的打印符号位于所述对的所述直线之间。