JPS63178820U - - Google Patents

Info

Publication number

JPS63178820U

JPS63178820U JP6894087U JP6894087U JPS63178820U JP S63178820 U JPS63178820 U JP S63178820U JP 6894087 U JP6894087 U JP 6894087U JP 6894087 U JP6894087 U JP 6894087U JP S63178820 U JPS63178820 U JP S63178820U

Authority

JP

Japan

Prior art keywords

variable magnification

mirror

magnification lens

document

lens

Prior art date

1987-05-11

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

• 230000003287 optical effect Effects 0.000 claims description 3
• 230000010287 polarization Effects 0.000 claims description 2
• 108091008695 photoreceptors Proteins 0.000 claims 1
• 238000010586 diagram Methods 0.000 description 2
• 238000003384 imaging method Methods 0.000 description 2
• 229910000831 Steel Inorganic materials 0.000 description 1
• 239000011521 glass Substances 0.000 description 1
• 239000010959 steel Substances 0.000 description 1