JPH0329777Y2 - - Google Patents

Info

Publication number

JPH0329777Y2

JPH0329777Y2 JP17370784U JP17370784U JPH0329777Y2 JP H0329777 Y2 JPH0329777 Y2 JP H0329777Y2 JP 17370784 U JP17370784 U JP 17370784U JP 17370784 U JP17370784 U JP 17370784U JP H0329777 Y2 JPH0329777 Y2 JP H0329777Y2

Authority

JP

Japan

Prior art keywords

lens holding

reading device

vertical groove

lens

objective lens

Prior art date

1984-11-15

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.)

Expired

Links

• Espacenet
• Global Dossier
• Discuss

• 230000003287 optical effect Effects 0.000 claims description 35
• 230000007935 neutral effect Effects 0.000 claims description 11
• 230000002093 peripheral effect Effects 0.000 claims description 9
• 230000005484 gravity Effects 0.000 description 3
• 230000000694 effects Effects 0.000 description 2
• 238000000034 method Methods 0.000 description 2
• 238000010586 diagram Methods 0.000 description 1
• 239000013013 elastic material Substances 0.000 description 1
• 238000003780 insertion Methods 0.000 description 1
• 230000037431 insertion Effects 0.000 description 1