JPH03111066U - - Google Patents

Info

Publication number

JPH03111066U

JPH03111066U JP1957690U JP1957690U JPH03111066U JP H03111066 U JPH03111066 U JP H03111066U JP 1957690 U JP1957690 U JP 1957690U JP 1957690 U JP1957690 U JP 1957690U JP H03111066 U JPH03111066 U JP H03111066U

Authority

JP

Japan

Prior art keywords

document

reading device

reference plate

white reference

placing

Prior art date

1990-02-28

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

• 238000005286 illumination Methods 0.000 claims description 2
• 230000001678 irradiating effect Effects 0.000 claims 1
• 238000010586 diagram Methods 0.000 description 11
• 239000011521 glass Substances 0.000 description 1
• 238000000034 method Methods 0.000 description 1

Cited By (1)