JPH0475491U - - Google Patents

Info

Publication number

JPH0475491U

JPH0475491U JP11771390U JP11771390U JPH0475491U JP H0475491 U JPH0475491 U JP H0475491U JP 11771390 U JP11771390 U JP 11771390U JP 11771390 U JP11771390 U JP 11771390U JP H0475491 U JPH0475491 U JP H0475491U

Authority

JP

Japan

Prior art keywords

optical code

mode

registration

optical

storing

Prior art date

1990-11-13

Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)

Pending

Links

• Espacenet
• Global Dossier
• Discuss

• 230000003287 optical effect Effects 0.000 claims description 19
• 238000012795 verification Methods 0.000 claims description 2
• 238000001514 detection method Methods 0.000 claims 2
• 238000010586 diagram Methods 0.000 description 2