the OID coding is optical identify coding & # xff0c; Different code values corresponding to different point reading content, general & # xff0c; Users point is to read the text on the printed material & # xff0c; Design & # xff0c; Point of reading pen & # xff0c; Other contents or digital multimedia & # xff0c; The point of reading pen internal processing different code value & # xff0c; According to the code value corresponding multimedia content, therefore the & # xff0c; OID set up between print and digital system convenient interface bridge, the most novel

the OID encoding rules,

which is a little reading pen OID pattern formation rules & # xff1f;