JPH0477457U - - Google Patents

Info

Publication number

JPH0477457U

JPH0477457U JP12082190U JP12082190U JPH0477457U JP H0477457 U JPH0477457 U JP H0477457U JP 12082190 U JP12082190 U JP 12082190U JP 12082190 U JP12082190 U JP 12082190U JP H0477457 U JPH0477457 U JP H0477457U

Authority

JP

Japan

Prior art keywords

printing paper

optical sensor

paper

detection area

sensor detection

Prior art date

1990-11-20

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

• 238000001514 detection method Methods 0.000 claims description 9
• 239000003973 paint Substances 0.000 claims description 2
• 230000003287 optical effect Effects 0.000 claims 6
• 238000010586 diagram Methods 0.000 description 2