JPS6249150U - - Google Patents

Info

Publication number

JPS6249150U

JPS6249150U JP13922985U JP13922985U JPS6249150U JP S6249150 U JPS6249150 U JP S6249150U JP 13922985 U JP13922985 U JP 13922985U JP 13922985 U JP13922985 U JP 13922985U JP S6249150 U JPS6249150 U JP S6249150U

Authority

JP

Japan

Prior art keywords

document

pressure plate

light reflected

amount

copying apparatus

Prior art date

1985-09-11

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

• 239000011521 glass Substances 0.000 claims description 3
• 230000003287 optical effect Effects 0.000 claims description 3
• 230000003595 spectral effect Effects 0.000 claims description 2
• 238000001514 detection method Methods 0.000 description 4
• 238000010586 diagram Methods 0.000 description 4
• 230000035945 sensitivity Effects 0.000 description 1