发明名称 |
End and encoded mass distributable response piece and method of making the same |
摘要 |
A method of simultaneously encoding successive groups of printed paper sheets or mass distributable material wherein the sheets are provided with unperceptable and virtually invisible common code pattern by laser means which is supplied with a distinct series of coded pulse signals in synchronism with control pulses to produce a different optically-scannable coded hole pattern on each group of printed sheets.
|
申请公布号 |
US5137304(A) |
申请公布日期 |
1992.08.11 |
申请号 |
US19900625036 |
申请日期 |
1990.12.10 |
申请人 |
WEBCRAFT TECHNOLOGIES, INC. |
发明人 |
SILVERSCHOTZ, STANFORD B.;HIPKO, GEORGE P.;DENNIS, MICHAEL |
分类号 |
B31B41/00;B42C1/00;B43M3/04;B65B25/14 |
主分类号 |
B31B41/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|