JPS61177886U - - Google Patents

Info

Publication number

JPS61177886U

JPS61177886U JP6126385U JP6126385U JPS61177886U JP S61177886 U JPS61177886 U JP S61177886U JP 6126385 U JP6126385 U JP 6126385U JP 6126385 U JP6126385 U JP 6126385U JP S61177886 U JPS61177886 U JP S61177886U

Authority

JP

Japan

Prior art keywords

copying

optical system

image

display member

document

Prior art date

1985-04-24

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 6
• 238000010586 diagram Methods 0.000 description 4
• 238000001514 detection method Methods 0.000 description 1
• 239000011521 glass Substances 0.000 description 1
• 229910052736 halogen Inorganic materials 0.000 description 1
• 150000002367 halogens Chemical class 0.000 description 1
• 238000005286 illumination Methods 0.000 description 1
• 238000004804 winding Methods 0.000 description 1