JPH01160456U - - Google Patents

Info

Publication number

JPH01160456U

JPH01160456U JP5421988U JP5421988U JPH01160456U JP H01160456 U JPH01160456 U JP H01160456U JP 5421988 U JP5421988 U JP 5421988U JP 5421988 U JP5421988 U JP 5421988U JP H01160456 U JPH01160456 U JP H01160456U

Authority

JP

Japan

Prior art keywords

light shielding

sliding plate

lens member

lens

shielding cover

Prior art date

1988-04-22

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 2
• 230000001105 regulatory effect Effects 0.000 claims 1
• 238000010586 diagram Methods 0.000 description 7
• 230000000694 effects Effects 0.000 description 1